File: | jdk/src/java.desktop/share/native/liblcms/cmstypes.c |
Warning: | line 1527, column 9 Value stored to 'NumOfWchar' is never read |
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1 | /* |
2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 | * |
4 | * This code is free software; you can redistribute it and/or modify it |
5 | * under the terms of the GNU General Public License version 2 only, as |
6 | * published by the Free Software Foundation. Oracle designates this |
7 | * particular file as subject to the "Classpath" exception as provided |
8 | * by Oracle in the LICENSE file that accompanied this code. |
9 | * |
10 | * This code is distributed in the hope that it will be useful, but WITHOUT |
11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
13 | * version 2 for more details (a copy is included in the LICENSE file that |
14 | * accompanied this code). |
15 | * |
16 | * You should have received a copy of the GNU General Public License version |
17 | * 2 along with this work; if not, write to the Free Software Foundation, |
18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
19 | * |
20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
21 | * or visit www.oracle.com if you need additional information or have any |
22 | * questions. |
23 | */ |
24 | |
25 | // This file is available under and governed by the GNU General Public |
26 | // License version 2 only, as published by the Free Software Foundation. |
27 | // However, the following notice accompanied the original version of this |
28 | // file: |
29 | // |
30 | //--------------------------------------------------------------------------------- |
31 | // |
32 | // Little Color Management System |
33 | // Copyright (c) 1998-2020 Marti Maria Saguer |
34 | // |
35 | // Permission is hereby granted, free of charge, to any person obtaining |
36 | // a copy of this software and associated documentation files (the "Software"), |
37 | // to deal in the Software without restriction, including without limitation |
38 | // the rights to use, copy, modify, merge, publish, distribute, sublicense, |
39 | // and/or sell copies of the Software, and to permit persons to whom the Software |
40 | // is furnished to do so, subject to the following conditions: |
41 | // |
42 | // The above copyright notice and this permission notice shall be included in |
43 | // all copies or substantial portions of the Software. |
44 | // |
45 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
46 | // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO |
47 | // THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
48 | // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
49 | // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
50 | // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
51 | // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
52 | // |
53 | //--------------------------------------------------------------------------------- |
54 | // |
55 | |
56 | #include "lcms2_internal.h" |
57 | |
58 | // Tag Serialization ----------------------------------------------------------------------------- |
59 | // This file implements every single tag and tag type as described in the ICC spec. Some types |
60 | // have been deprecated, like ncl and Data. There is no implementation for those types as there |
61 | // are no profiles holding them. The programmer can also extend this list by defining his own types |
62 | // by using the appropriate plug-in. There are three types of plug ins regarding that. First type |
63 | // allows to define new tags using any existing type. Next plug-in type allows to define new types |
64 | // and the third one is very specific: allows to extend the number of elements in the multiprocessing |
65 | // elements special type. |
66 | //-------------------------------------------------------------------------------------------------- |
67 | |
68 | // Some broken types |
69 | #define cmsCorbisBrokenXYZtype((cmsTagTypeSignature) 0x17A505B8) ((cmsTagTypeSignature) 0x17A505B8) |
70 | #define cmsMonacoBrokenCurveType((cmsTagTypeSignature) 0x9478ee00) ((cmsTagTypeSignature) 0x9478ee00) |
71 | |
72 | // This is the linked list that keeps track of the defined types |
73 | typedef struct _cmsTagTypeLinkedList_st { |
74 | |
75 | cmsTagTypeHandler Handler; |
76 | struct _cmsTagTypeLinkedList_st* Next; |
77 | |
78 | } _cmsTagTypeLinkedList; |
79 | |
80 | // Some macros to define callbacks. |
81 | #define READ_FN(x)Type_x_Read Type_##x##_Read |
82 | #define WRITE_FN(x)Type_x_Write Type_##x##_Write |
83 | #define FREE_FN(x)Type_x_Free Type_##x##_Free |
84 | #define DUP_FN(x)Type_x_Dup Type_##x##_Dup |
85 | |
86 | // Helper macro to define a handler. Callbacks do have a fixed naming convention. |
87 | #define TYPE_HANDLER(t, x){ (t), Type_x_Read, Type_x_Write, Type_x_Dup, Type_x_Free, (( void*)0), 0 } { (t), READ_FN(x)Type_x_Read, WRITE_FN(x)Type_x_Write, DUP_FN(x)Type_x_Dup, FREE_FN(x)Type_x_Free, NULL((void*)0), 0 } |
88 | |
89 | // Helper macro to define a MPE handler. Callbacks do have a fixed naming convention |
90 | #define TYPE_MPE_HANDLER(t, x){ (t), Type_x_Read, Type_x_Write, GenericMPEdup, GenericMPEfree , ((void*)0), 0 } { (t), READ_FN(x)Type_x_Read, WRITE_FN(x)Type_x_Write, GenericMPEdup, GenericMPEfree, NULL((void*)0), 0 } |
91 | |
92 | // Infinites |
93 | #define MINUS_INF(-1E22F) (-1E22F) |
94 | #define PLUS_INF(+1E22F) (+1E22F) |
95 | |
96 | |
97 | // Register a new type handler. This routine is shared between normal types and MPE. LinkedList points to the optional list head |
98 | static |
99 | cmsBool RegisterTypesPlugin(cmsContext id, cmsPluginBase* Data, _cmsMemoryClient pos) |
100 | { |
101 | cmsPluginTagType* Plugin = (cmsPluginTagType*) Data; |
102 | _cmsTagTypePluginChunkType* ctx = ( _cmsTagTypePluginChunkType*) _cmsContextGetClientChunk(id, pos); |
103 | _cmsTagTypeLinkedList *pt; |
104 | |
105 | // Calling the function with NULL as plug-in would unregister the plug in. |
106 | if (Data == NULL((void*)0)) { |
107 | |
108 | // There is no need to set free the memory, as pool is destroyed as a whole. |
109 | ctx ->TagTypes = NULL((void*)0); |
110 | return TRUE1; |
111 | } |
112 | |
113 | // Registering happens in plug-in memory pool. |
114 | pt = (_cmsTagTypeLinkedList*) _cmsPluginMalloc(id, sizeof(_cmsTagTypeLinkedList)); |
115 | if (pt == NULL((void*)0)) return FALSE0; |
116 | |
117 | pt ->Handler = Plugin ->Handler; |
118 | pt ->Next = ctx ->TagTypes; |
119 | |
120 | ctx ->TagTypes = pt; |
121 | |
122 | return TRUE1; |
123 | } |
124 | |
125 | // Return handler for a given type or NULL if not found. Shared between normal types and MPE. It first tries the additons |
126 | // made by plug-ins and then the built-in defaults. |
127 | static |
128 | cmsTagTypeHandler* GetHandler(cmsTagTypeSignature sig, _cmsTagTypeLinkedList* PluginLinkedList, _cmsTagTypeLinkedList* DefaultLinkedList) |
129 | { |
130 | _cmsTagTypeLinkedList* pt; |
131 | |
132 | for (pt = PluginLinkedList; |
133 | pt != NULL((void*)0); |
134 | pt = pt ->Next) { |
135 | |
136 | if (sig == pt -> Handler.Signature) return &pt ->Handler; |
137 | } |
138 | |
139 | for (pt = DefaultLinkedList; |
140 | pt != NULL((void*)0); |
141 | pt = pt ->Next) { |
142 | |
143 | if (sig == pt -> Handler.Signature) return &pt ->Handler; |
144 | } |
145 | |
146 | return NULL((void*)0); |
147 | } |
148 | |
149 | |
150 | // Auxiliary to convert UTF-32 to UTF-16 in some cases |
151 | static |
152 | cmsBool _cmsWriteWCharArray(cmsIOHANDLER* io, cmsUInt32Number n, const wchar_t* Array) |
153 | { |
154 | cmsUInt32Number i; |
155 | |
156 | _cmsAssert(io != NULL)(((io != ((void*)0))) ? (void) (0) : __assert_fail ("(io != ((void*)0))" , "/home/daniel/Projects/java/jdk/src/java.desktop/share/native/liblcms/cmstypes.c" , 156, __extension__ __PRETTY_FUNCTION__)); |
157 | _cmsAssert(!(Array == NULL && n > 0))(((!(Array == ((void*)0) && n > 0))) ? (void) (0) : __assert_fail ("(!(Array == ((void*)0) && n > 0))" , "/home/daniel/Projects/java/jdk/src/java.desktop/share/native/liblcms/cmstypes.c" , 157, __extension__ __PRETTY_FUNCTION__)); |
158 | |
159 | for (i=0; i < n; i++) { |
160 | if (!_cmsWriteUInt16Number(io, (cmsUInt16Number) Array[i])) return FALSE0; |
161 | } |
162 | |
163 | return TRUE1; |
164 | } |
165 | |
166 | // Auxiliary to read an array of wchar_t |
167 | static |
168 | cmsBool _cmsReadWCharArray(cmsIOHANDLER* io, cmsUInt32Number n, wchar_t* Array) |
169 | { |
170 | cmsUInt32Number i; |
171 | cmsUInt16Number tmp; |
172 | |
173 | _cmsAssert(io != NULL)(((io != ((void*)0))) ? (void) (0) : __assert_fail ("(io != ((void*)0))" , "/home/daniel/Projects/java/jdk/src/java.desktop/share/native/liblcms/cmstypes.c" , 173, __extension__ __PRETTY_FUNCTION__)); |
174 | |
175 | for (i=0; i < n; i++) { |
176 | |
177 | if (Array != NULL((void*)0)) { |
178 | |
179 | if (!_cmsReadUInt16Number(io, &tmp)) return FALSE0; |
180 | Array[i] = (wchar_t) tmp; |
181 | } |
182 | else { |
183 | if (!_cmsReadUInt16Number(io, NULL((void*)0))) return FALSE0; |
184 | } |
185 | |
186 | } |
187 | return TRUE1; |
188 | } |
189 | |
190 | // To deal with position tables |
191 | typedef cmsBool (* PositionTableEntryFn)(struct _cms_typehandler_struct* self, |
192 | cmsIOHANDLER* io, |
193 | void* Cargo, |
194 | cmsUInt32Number n, |
195 | cmsUInt32Number SizeOfTag); |
196 | |
197 | // Helper function to deal with position tables as described in ICC spec 4.3 |
198 | // A table of n elements is read, where first comes n records containing offsets and sizes and |
199 | // then a block containing the data itself. This allows to reuse same data in more than one entry |
200 | static |
201 | cmsBool ReadPositionTable(struct _cms_typehandler_struct* self, |
202 | cmsIOHANDLER* io, |
203 | cmsUInt32Number Count, |
204 | cmsUInt32Number BaseOffset, |
205 | void *Cargo, |
206 | PositionTableEntryFn ElementFn) |
207 | { |
208 | cmsUInt32Number i; |
209 | cmsUInt32Number *ElementOffsets = NULL((void*)0), *ElementSizes = NULL((void*)0); |
210 | cmsUInt32Number currentPosition; |
211 | |
212 | currentPosition = io->Tell(io); |
213 | |
214 | // Verify there is enough space left to read at least two cmsUInt32Number items for Count items. |
215 | if (((io->ReportedSize - currentPosition) / (2 * sizeof(cmsUInt32Number))) < Count) |
216 | return FALSE0; |
217 | |
218 | // Let's take the offsets to each element |
219 | ElementOffsets = (cmsUInt32Number *) _cmsCalloc(io ->ContextID, Count, sizeof(cmsUInt32Number)); |
220 | if (ElementOffsets == NULL((void*)0)) goto Error; |
221 | |
222 | ElementSizes = (cmsUInt32Number *) _cmsCalloc(io ->ContextID, Count, sizeof(cmsUInt32Number)); |
223 | if (ElementSizes == NULL((void*)0)) goto Error; |
224 | |
225 | for (i=0; i < Count; i++) { |
226 | |
227 | if (!_cmsReadUInt32Number(io, &ElementOffsets[i])) goto Error; |
228 | if (!_cmsReadUInt32Number(io, &ElementSizes[i])) goto Error; |
229 | |
230 | ElementOffsets[i] += BaseOffset; |
231 | } |
232 | |
233 | // Seek to each element and read it |
234 | for (i=0; i < Count; i++) { |
235 | |
236 | if (!io -> Seek(io, ElementOffsets[i])) goto Error; |
237 | |
238 | // This is the reader callback |
239 | if (!ElementFn(self, io, Cargo, i, ElementSizes[i])) goto Error; |
240 | } |
241 | |
242 | // Success |
243 | if (ElementOffsets != NULL((void*)0)) _cmsFree(io ->ContextID, ElementOffsets); |
244 | if (ElementSizes != NULL((void*)0)) _cmsFree(io ->ContextID, ElementSizes); |
245 | return TRUE1; |
246 | |
247 | Error: |
248 | if (ElementOffsets != NULL((void*)0)) _cmsFree(io ->ContextID, ElementOffsets); |
249 | if (ElementSizes != NULL((void*)0)) _cmsFree(io ->ContextID, ElementSizes); |
250 | return FALSE0; |
251 | } |
252 | |
253 | // Same as anterior, but for write position tables |
254 | static |
255 | cmsBool WritePositionTable(struct _cms_typehandler_struct* self, |
256 | cmsIOHANDLER* io, |
257 | cmsUInt32Number SizeOfTag, |
258 | cmsUInt32Number Count, |
259 | cmsUInt32Number BaseOffset, |
260 | void *Cargo, |
261 | PositionTableEntryFn ElementFn) |
262 | { |
263 | cmsUInt32Number i; |
264 | cmsUInt32Number DirectoryPos, CurrentPos, Before; |
265 | cmsUInt32Number *ElementOffsets = NULL((void*)0), *ElementSizes = NULL((void*)0); |
266 | |
267 | // Create table |
268 | ElementOffsets = (cmsUInt32Number *) _cmsCalloc(io ->ContextID, Count, sizeof(cmsUInt32Number)); |
269 | if (ElementOffsets == NULL((void*)0)) goto Error; |
270 | |
271 | ElementSizes = (cmsUInt32Number *) _cmsCalloc(io ->ContextID, Count, sizeof(cmsUInt32Number)); |
272 | if (ElementSizes == NULL((void*)0)) goto Error; |
273 | |
274 | // Keep starting position of curve offsets |
275 | DirectoryPos = io ->Tell(io); |
276 | |
277 | // Write a fake directory to be filled latter on |
278 | for (i=0; i < Count; i++) { |
279 | |
280 | if (!_cmsWriteUInt32Number(io, 0)) goto Error; // Offset |
281 | if (!_cmsWriteUInt32Number(io, 0)) goto Error; // size |
282 | } |
283 | |
284 | // Write each element. Keep track of the size as well. |
285 | for (i=0; i < Count; i++) { |
286 | |
287 | Before = io ->Tell(io); |
288 | ElementOffsets[i] = Before - BaseOffset; |
289 | |
290 | // Callback to write... |
291 | if (!ElementFn(self, io, Cargo, i, SizeOfTag)) goto Error; |
292 | |
293 | // Now the size |
294 | ElementSizes[i] = io ->Tell(io) - Before; |
295 | } |
296 | |
297 | // Write the directory |
298 | CurrentPos = io ->Tell(io); |
299 | if (!io ->Seek(io, DirectoryPos)) goto Error; |
300 | |
301 | for (i=0; i < Count; i++) { |
302 | if (!_cmsWriteUInt32Number(io, ElementOffsets[i])) goto Error; |
303 | if (!_cmsWriteUInt32Number(io, ElementSizes[i])) goto Error; |
304 | } |
305 | |
306 | if (!io ->Seek(io, CurrentPos)) goto Error; |
307 | |
308 | if (ElementOffsets != NULL((void*)0)) _cmsFree(io ->ContextID, ElementOffsets); |
309 | if (ElementSizes != NULL((void*)0)) _cmsFree(io ->ContextID, ElementSizes); |
310 | return TRUE1; |
311 | |
312 | Error: |
313 | if (ElementOffsets != NULL((void*)0)) _cmsFree(io ->ContextID, ElementOffsets); |
314 | if (ElementSizes != NULL((void*)0)) _cmsFree(io ->ContextID, ElementSizes); |
315 | return FALSE0; |
316 | } |
317 | |
318 | |
319 | // ******************************************************************************** |
320 | // Type XYZ. Only one value is allowed |
321 | // ******************************************************************************** |
322 | |
323 | //The XYZType contains an array of three encoded values for the XYZ tristimulus |
324 | //values. Tristimulus values must be non-negative. The signed encoding allows for |
325 | //implementation optimizations by minimizing the number of fixed formats. |
326 | |
327 | |
328 | static |
329 | void *Type_XYZ_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
330 | { |
331 | cmsCIEXYZ* xyz; |
332 | |
333 | *nItems = 0; |
334 | xyz = (cmsCIEXYZ*) _cmsMallocZero(self ->ContextID, sizeof(cmsCIEXYZ)); |
335 | if (xyz == NULL((void*)0)) return NULL((void*)0); |
336 | |
337 | if (!_cmsReadXYZNumber(io, xyz)) { |
338 | _cmsFree(self ->ContextID, xyz); |
339 | return NULL((void*)0); |
340 | } |
341 | |
342 | *nItems = 1; |
343 | return (void*) xyz; |
344 | |
345 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
346 | } |
347 | |
348 | static |
349 | cmsBool Type_XYZ_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
350 | { |
351 | return _cmsWriteXYZNumber(io, (cmsCIEXYZ*) Ptr); |
352 | |
353 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
354 | cmsUNUSED_PARAMETER(self)((void)self); |
355 | } |
356 | |
357 | static |
358 | void* Type_XYZ_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
359 | { |
360 | return _cmsDupMem(self ->ContextID, Ptr, sizeof(cmsCIEXYZ)); |
361 | |
362 | cmsUNUSED_PARAMETER(n)((void)n); |
363 | } |
364 | |
365 | static |
366 | void Type_XYZ_Free(struct _cms_typehandler_struct* self, void *Ptr) |
367 | { |
368 | _cmsFree(self ->ContextID, Ptr); |
369 | } |
370 | |
371 | |
372 | static |
373 | cmsTagTypeSignature DecideXYZtype(cmsFloat64Number ICCVersion, const void *Data) |
374 | { |
375 | return cmsSigXYZType; |
376 | |
377 | cmsUNUSED_PARAMETER(ICCVersion)((void)ICCVersion); |
378 | cmsUNUSED_PARAMETER(Data)((void)Data); |
379 | } |
380 | |
381 | |
382 | // ******************************************************************************** |
383 | // Type chromaticity. Only one value is allowed |
384 | // ******************************************************************************** |
385 | // The chromaticity tag type provides basic chromaticity data and type of |
386 | // phosphors or colorants of a monitor to applications and utilities. |
387 | |
388 | static |
389 | void *Type_Chromaticity_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
390 | { |
391 | cmsCIExyYTRIPLE* chrm; |
392 | cmsUInt16Number nChans, Table; |
393 | |
394 | *nItems = 0; |
395 | chrm = (cmsCIExyYTRIPLE*) _cmsMallocZero(self ->ContextID, sizeof(cmsCIExyYTRIPLE)); |
396 | if (chrm == NULL((void*)0)) return NULL((void*)0); |
397 | |
398 | if (!_cmsReadUInt16Number(io, &nChans)) goto Error; |
399 | |
400 | // Let's recover from a bug introduced in early versions of lcms1 |
401 | if (nChans == 0 && SizeOfTag == 32) { |
402 | |
403 | if (!_cmsReadUInt16Number(io, NULL((void*)0))) goto Error; |
404 | if (!_cmsReadUInt16Number(io, &nChans)) goto Error; |
405 | } |
406 | |
407 | if (nChans != 3) goto Error; |
408 | |
409 | if (!_cmsReadUInt16Number(io, &Table)) goto Error; |
410 | |
411 | if (!_cmsRead15Fixed16Number(io, &chrm ->Red.x)) goto Error; |
412 | if (!_cmsRead15Fixed16Number(io, &chrm ->Red.y)) goto Error; |
413 | |
414 | chrm ->Red.Y = 1.0; |
415 | |
416 | if (!_cmsRead15Fixed16Number(io, &chrm ->Green.x)) goto Error; |
417 | if (!_cmsRead15Fixed16Number(io, &chrm ->Green.y)) goto Error; |
418 | |
419 | chrm ->Green.Y = 1.0; |
420 | |
421 | if (!_cmsRead15Fixed16Number(io, &chrm ->Blue.x)) goto Error; |
422 | if (!_cmsRead15Fixed16Number(io, &chrm ->Blue.y)) goto Error; |
423 | |
424 | chrm ->Blue.Y = 1.0; |
425 | |
426 | *nItems = 1; |
427 | return (void*) chrm; |
428 | |
429 | Error: |
430 | _cmsFree(self ->ContextID, (void*) chrm); |
431 | return NULL((void*)0); |
432 | |
433 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
434 | } |
435 | |
436 | static |
437 | cmsBool SaveOneChromaticity(cmsFloat64Number x, cmsFloat64Number y, cmsIOHANDLER* io) |
438 | { |
439 | if (!_cmsWriteUInt32Number(io, (cmsUInt32Number) _cmsDoubleTo15Fixed16(x))) return FALSE0; |
440 | if (!_cmsWriteUInt32Number(io, (cmsUInt32Number) _cmsDoubleTo15Fixed16(y))) return FALSE0; |
441 | |
442 | return TRUE1; |
443 | } |
444 | |
445 | static |
446 | cmsBool Type_Chromaticity_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
447 | { |
448 | cmsCIExyYTRIPLE* chrm = (cmsCIExyYTRIPLE*) Ptr; |
449 | |
450 | if (!_cmsWriteUInt16Number(io, 3)) return FALSE0; // nChannels |
451 | if (!_cmsWriteUInt16Number(io, 0)) return FALSE0; // Table |
452 | |
453 | if (!SaveOneChromaticity(chrm -> Red.x, chrm -> Red.y, io)) return FALSE0; |
454 | if (!SaveOneChromaticity(chrm -> Green.x, chrm -> Green.y, io)) return FALSE0; |
455 | if (!SaveOneChromaticity(chrm -> Blue.x, chrm -> Blue.y, io)) return FALSE0; |
456 | |
457 | return TRUE1; |
458 | |
459 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
460 | cmsUNUSED_PARAMETER(self)((void)self); |
461 | } |
462 | |
463 | static |
464 | void* Type_Chromaticity_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
465 | { |
466 | return _cmsDupMem(self ->ContextID, Ptr, sizeof(cmsCIExyYTRIPLE)); |
467 | |
468 | cmsUNUSED_PARAMETER(n)((void)n); |
469 | } |
470 | |
471 | static |
472 | void Type_Chromaticity_Free(struct _cms_typehandler_struct* self, void* Ptr) |
473 | { |
474 | _cmsFree(self ->ContextID, Ptr); |
475 | } |
476 | |
477 | |
478 | // ******************************************************************************** |
479 | // Type cmsSigColorantOrderType |
480 | // ******************************************************************************** |
481 | |
482 | // This is an optional tag which specifies the laydown order in which colorants will |
483 | // be printed on an n-colorant device. The laydown order may be the same as the |
484 | // channel generation order listed in the colorantTableTag or the channel order of a |
485 | // colour space such as CMYK, in which case this tag is not needed. When this is not |
486 | // the case (for example, ink-towers sometimes use the order KCMY), this tag may be |
487 | // used to specify the laydown order of the colorants. |
488 | |
489 | |
490 | static |
491 | void *Type_ColorantOrderType_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
492 | { |
493 | cmsUInt8Number* ColorantOrder; |
494 | cmsUInt32Number Count; |
495 | |
496 | *nItems = 0; |
497 | if (!_cmsReadUInt32Number(io, &Count)) return NULL((void*)0); |
498 | if (Count > cmsMAXCHANNELS16) return NULL((void*)0); |
499 | |
500 | ColorantOrder = (cmsUInt8Number*) _cmsCalloc(self ->ContextID, cmsMAXCHANNELS16, sizeof(cmsUInt8Number)); |
501 | if (ColorantOrder == NULL((void*)0)) return NULL((void*)0); |
502 | |
503 | // We use FF as end marker |
504 | memset(ColorantOrder, 0xFF, cmsMAXCHANNELS16 * sizeof(cmsUInt8Number)); |
505 | |
506 | if (io ->Read(io, ColorantOrder, sizeof(cmsUInt8Number), Count) != Count) { |
507 | |
508 | _cmsFree(self ->ContextID, (void*) ColorantOrder); |
509 | return NULL((void*)0); |
510 | } |
511 | |
512 | *nItems = 1; |
513 | return (void*) ColorantOrder; |
514 | |
515 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
516 | } |
517 | |
518 | static |
519 | cmsBool Type_ColorantOrderType_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
520 | { |
521 | cmsUInt8Number* ColorantOrder = (cmsUInt8Number*) Ptr; |
522 | cmsUInt32Number i, sz, Count; |
523 | |
524 | // Get the length |
525 | for (Count=i=0; i < cmsMAXCHANNELS16; i++) { |
526 | if (ColorantOrder[i] != 0xFF) Count++; |
527 | } |
528 | |
529 | if (!_cmsWriteUInt32Number(io, Count)) return FALSE0; |
530 | |
531 | sz = Count * sizeof(cmsUInt8Number); |
532 | if (!io -> Write(io, sz, ColorantOrder)) return FALSE0; |
533 | |
534 | return TRUE1; |
535 | |
536 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
537 | cmsUNUSED_PARAMETER(self)((void)self); |
538 | } |
539 | |
540 | static |
541 | void* Type_ColorantOrderType_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
542 | { |
543 | return _cmsDupMem(self ->ContextID, Ptr, cmsMAXCHANNELS16 * sizeof(cmsUInt8Number)); |
544 | |
545 | cmsUNUSED_PARAMETER(n)((void)n); |
546 | } |
547 | |
548 | |
549 | static |
550 | void Type_ColorantOrderType_Free(struct _cms_typehandler_struct* self, void* Ptr) |
551 | { |
552 | _cmsFree(self ->ContextID, Ptr); |
553 | } |
554 | |
555 | // ******************************************************************************** |
556 | // Type cmsSigS15Fixed16ArrayType |
557 | // ******************************************************************************** |
558 | // This type represents an array of generic 4-byte/32-bit fixed point quantity. |
559 | // The number of values is determined from the size of the tag. |
560 | |
561 | static |
562 | void *Type_S15Fixed16_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
563 | { |
564 | cmsFloat64Number* array_double; |
565 | cmsUInt32Number i, n; |
566 | |
567 | *nItems = 0; |
568 | n = SizeOfTag / sizeof(cmsUInt32Number); |
569 | array_double = (cmsFloat64Number*) _cmsCalloc(self ->ContextID, n, sizeof(cmsFloat64Number)); |
570 | if (array_double == NULL((void*)0)) return NULL((void*)0); |
571 | |
572 | for (i=0; i < n; i++) { |
573 | |
574 | if (!_cmsRead15Fixed16Number(io, &array_double[i])) { |
575 | |
576 | _cmsFree(self ->ContextID, array_double); |
577 | return NULL((void*)0); |
578 | } |
579 | } |
580 | |
581 | *nItems = n; |
582 | return (void*) array_double; |
583 | } |
584 | |
585 | static |
586 | cmsBool Type_S15Fixed16_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
587 | { |
588 | cmsFloat64Number* Value = (cmsFloat64Number*) Ptr; |
589 | cmsUInt32Number i; |
590 | |
591 | for (i=0; i < nItems; i++) { |
592 | |
593 | if (!_cmsWrite15Fixed16Number(io, Value[i])) return FALSE0; |
594 | } |
595 | |
596 | return TRUE1; |
597 | |
598 | cmsUNUSED_PARAMETER(self)((void)self); |
599 | } |
600 | |
601 | static |
602 | void* Type_S15Fixed16_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
603 | { |
604 | return _cmsDupMem(self ->ContextID, Ptr, n * sizeof(cmsFloat64Number)); |
605 | } |
606 | |
607 | |
608 | static |
609 | void Type_S15Fixed16_Free(struct _cms_typehandler_struct* self, void* Ptr) |
610 | { |
611 | _cmsFree(self ->ContextID, Ptr); |
612 | } |
613 | |
614 | // ******************************************************************************** |
615 | // Type cmsSigU16Fixed16ArrayType |
616 | // ******************************************************************************** |
617 | // This type represents an array of generic 4-byte/32-bit quantity. |
618 | // The number of values is determined from the size of the tag. |
619 | |
620 | |
621 | static |
622 | void *Type_U16Fixed16_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
623 | { |
624 | cmsFloat64Number* array_double; |
625 | cmsUInt32Number v; |
626 | cmsUInt32Number i, n; |
627 | |
628 | *nItems = 0; |
629 | n = SizeOfTag / sizeof(cmsUInt32Number); |
630 | array_double = (cmsFloat64Number*) _cmsCalloc(self ->ContextID, n, sizeof(cmsFloat64Number)); |
631 | if (array_double == NULL((void*)0)) return NULL((void*)0); |
632 | |
633 | for (i=0; i < n; i++) { |
634 | |
635 | if (!_cmsReadUInt32Number(io, &v)) { |
636 | _cmsFree(self ->ContextID, (void*) array_double); |
637 | return NULL((void*)0); |
638 | } |
639 | |
640 | // Convert to cmsFloat64Number |
641 | array_double[i] = (cmsFloat64Number) (v / 65536.0); |
642 | } |
643 | |
644 | *nItems = n; |
645 | return (void*) array_double; |
646 | } |
647 | |
648 | static |
649 | cmsBool Type_U16Fixed16_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
650 | { |
651 | cmsFloat64Number* Value = (cmsFloat64Number*) Ptr; |
652 | cmsUInt32Number i; |
653 | |
654 | for (i=0; i < nItems; i++) { |
655 | |
656 | cmsUInt32Number v = (cmsUInt32Number) floor(Value[i]*65536.0 + 0.5); |
657 | |
658 | if (!_cmsWriteUInt32Number(io, v)) return FALSE0; |
659 | } |
660 | |
661 | return TRUE1; |
662 | |
663 | cmsUNUSED_PARAMETER(self)((void)self); |
664 | } |
665 | |
666 | |
667 | static |
668 | void* Type_U16Fixed16_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
669 | { |
670 | return _cmsDupMem(self ->ContextID, Ptr, n * sizeof(cmsFloat64Number)); |
671 | } |
672 | |
673 | static |
674 | void Type_U16Fixed16_Free(struct _cms_typehandler_struct* self, void* Ptr) |
675 | { |
676 | _cmsFree(self ->ContextID, Ptr); |
677 | } |
678 | |
679 | // ******************************************************************************** |
680 | // Type cmsSigSignatureType |
681 | // ******************************************************************************** |
682 | // |
683 | // The signatureType contains a four-byte sequence, Sequences of less than four |
684 | // characters are padded at the end with spaces, 20h. |
685 | // Typically this type is used for registered tags that can be displayed on many |
686 | // development systems as a sequence of four characters. |
687 | |
688 | static |
689 | void *Type_Signature_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
690 | { |
691 | cmsSignature* SigPtr = (cmsSignature*) _cmsMalloc(self ->ContextID, sizeof(cmsSignature)); |
692 | if (SigPtr == NULL((void*)0)) return NULL((void*)0); |
693 | |
694 | if (!_cmsReadUInt32Number(io, SigPtr)) return NULL((void*)0); |
695 | *nItems = 1; |
696 | |
697 | return SigPtr; |
698 | |
699 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
700 | } |
701 | |
702 | static |
703 | cmsBool Type_Signature_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
704 | { |
705 | cmsSignature* SigPtr = (cmsSignature*) Ptr; |
706 | |
707 | return _cmsWriteUInt32Number(io, *SigPtr); |
708 | |
709 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
710 | cmsUNUSED_PARAMETER(self)((void)self); |
711 | } |
712 | |
713 | static |
714 | void* Type_Signature_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
715 | { |
716 | return _cmsDupMem(self ->ContextID, Ptr, n * sizeof(cmsSignature)); |
717 | } |
718 | |
719 | static |
720 | void Type_Signature_Free(struct _cms_typehandler_struct* self, void* Ptr) |
721 | { |
722 | _cmsFree(self ->ContextID, Ptr); |
723 | } |
724 | |
725 | |
726 | // ******************************************************************************** |
727 | // Type cmsSigTextType |
728 | // ******************************************************************************** |
729 | // |
730 | // The textType is a simple text structure that contains a 7-bit ASCII text string. |
731 | // The length of the string is obtained by subtracting 8 from the element size portion |
732 | // of the tag itself. This string must be terminated with a 00h byte. |
733 | |
734 | static |
735 | void *Type_Text_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
736 | { |
737 | char* Text = NULL((void*)0); |
738 | cmsMLU* mlu = NULL((void*)0); |
739 | |
740 | // Create a container |
741 | mlu = cmsMLUalloc(self ->ContextID, 1); |
742 | if (mlu == NULL((void*)0)) return NULL((void*)0); |
743 | |
744 | *nItems = 0; |
745 | |
746 | // We need to store the "\0" at the end, so +1 |
747 | if (SizeOfTag == UINT_MAX(2147483647 *2U +1U)) goto Error; |
748 | |
749 | Text = (char*) _cmsMalloc(self ->ContextID, SizeOfTag + 1); |
750 | if (Text == NULL((void*)0)) goto Error; |
751 | |
752 | if (io -> Read(io, Text, sizeof(char), SizeOfTag) != SizeOfTag) goto Error; |
753 | |
754 | // Make sure text is properly ended |
755 | Text[SizeOfTag] = 0; |
756 | *nItems = 1; |
757 | |
758 | // Keep the result |
759 | if (!cmsMLUsetASCII(mlu, cmsNoLanguage"\0\0", cmsNoCountry"\0\0", Text)) goto Error; |
760 | |
761 | _cmsFree(self ->ContextID, Text); |
762 | return (void*) mlu; |
763 | |
764 | Error: |
765 | if (mlu != NULL((void*)0)) |
766 | cmsMLUfree(mlu); |
767 | if (Text != NULL((void*)0)) |
768 | _cmsFree(self ->ContextID, Text); |
769 | |
770 | return NULL((void*)0); |
771 | } |
772 | |
773 | // The conversion implies to choose a language. So, we choose the actual language. |
774 | static |
775 | cmsBool Type_Text_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
776 | { |
777 | cmsMLU* mlu = (cmsMLU*) Ptr; |
778 | cmsUInt32Number size; |
779 | cmsBool rc; |
780 | char* Text; |
781 | |
782 | // Get the size of the string. Note there is an extra "\0" at the end |
783 | size = cmsMLUgetASCII(mlu, cmsNoLanguage"\0\0", cmsNoCountry"\0\0", NULL((void*)0), 0); |
784 | if (size == 0) return FALSE0; // Cannot be zero! |
785 | |
786 | // Create memory |
787 | Text = (char*) _cmsMalloc(self ->ContextID, size); |
788 | if (Text == NULL((void*)0)) return FALSE0; |
789 | |
790 | cmsMLUgetASCII(mlu, cmsNoLanguage"\0\0", cmsNoCountry"\0\0", Text, size); |
791 | |
792 | // Write it, including separator |
793 | rc = io ->Write(io, size, Text); |
794 | |
795 | _cmsFree(self ->ContextID, Text); |
796 | return rc; |
797 | |
798 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
799 | } |
800 | |
801 | static |
802 | void* Type_Text_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
803 | { |
804 | return (void*) cmsMLUdup((cmsMLU*) Ptr); |
805 | |
806 | cmsUNUSED_PARAMETER(n)((void)n); |
807 | cmsUNUSED_PARAMETER(self)((void)self); |
808 | } |
809 | |
810 | |
811 | static |
812 | void Type_Text_Free(struct _cms_typehandler_struct* self, void* Ptr) |
813 | { |
814 | cmsMLU* mlu = (cmsMLU*) Ptr; |
815 | cmsMLUfree(mlu); |
816 | return; |
817 | |
818 | cmsUNUSED_PARAMETER(self)((void)self); |
819 | } |
820 | |
821 | static |
822 | cmsTagTypeSignature DecideTextType(cmsFloat64Number ICCVersion, const void *Data) |
823 | { |
824 | if (ICCVersion >= 4.0) |
825 | return cmsSigMultiLocalizedUnicodeType; |
826 | |
827 | return cmsSigTextType; |
828 | |
829 | cmsUNUSED_PARAMETER(Data)((void)Data); |
830 | } |
831 | |
832 | |
833 | // ******************************************************************************** |
834 | // Type cmsSigDataType |
835 | // ******************************************************************************** |
836 | |
837 | // General purpose data type |
838 | static |
839 | void *Type_Data_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
840 | { |
841 | cmsICCData* BinData; |
842 | cmsUInt32Number LenOfData; |
843 | |
844 | *nItems = 0; |
845 | |
846 | if (SizeOfTag < sizeof(cmsUInt32Number)) return NULL((void*)0); |
847 | |
848 | LenOfData = SizeOfTag - sizeof(cmsUInt32Number); |
849 | if (LenOfData > INT_MAX2147483647) return NULL((void*)0); |
850 | |
851 | BinData = (cmsICCData*) _cmsMalloc(self ->ContextID, sizeof(cmsICCData) + LenOfData - 1); |
852 | if (BinData == NULL((void*)0)) return NULL((void*)0); |
853 | |
854 | BinData ->len = LenOfData; |
855 | if (!_cmsReadUInt32Number(io, &BinData->flag)) { |
856 | _cmsFree(self ->ContextID, BinData); |
857 | return NULL((void*)0); |
858 | } |
859 | |
860 | if (io -> Read(io, BinData ->data, sizeof(cmsUInt8Number), LenOfData) != LenOfData) { |
861 | |
862 | _cmsFree(self ->ContextID, BinData); |
863 | return NULL((void*)0); |
864 | } |
865 | |
866 | *nItems = 1; |
867 | |
868 | return (void*) BinData; |
869 | } |
870 | |
871 | |
872 | static |
873 | cmsBool Type_Data_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
874 | { |
875 | cmsICCData* BinData = (cmsICCData*) Ptr; |
876 | |
877 | if (!_cmsWriteUInt32Number(io, BinData ->flag)) return FALSE0; |
878 | |
879 | return io ->Write(io, BinData ->len, BinData ->data); |
880 | |
881 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
882 | cmsUNUSED_PARAMETER(self)((void)self); |
883 | } |
884 | |
885 | |
886 | static |
887 | void* Type_Data_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
888 | { |
889 | cmsICCData* BinData = (cmsICCData*) Ptr; |
890 | |
891 | return _cmsDupMem(self ->ContextID, Ptr, sizeof(cmsICCData) + BinData ->len - 1); |
892 | |
893 | cmsUNUSED_PARAMETER(n)((void)n); |
894 | } |
895 | |
896 | static |
897 | void Type_Data_Free(struct _cms_typehandler_struct* self, void* Ptr) |
898 | { |
899 | _cmsFree(self ->ContextID, Ptr); |
900 | } |
901 | |
902 | // ******************************************************************************** |
903 | // Type cmsSigTextDescriptionType |
904 | // ******************************************************************************** |
905 | |
906 | static |
907 | void *Type_Text_Description_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
908 | { |
909 | char* Text = NULL((void*)0); |
910 | cmsMLU* mlu = NULL((void*)0); |
911 | cmsUInt32Number AsciiCount; |
912 | cmsUInt32Number i, UnicodeCode, UnicodeCount; |
913 | cmsUInt16Number ScriptCodeCode, Dummy; |
914 | cmsUInt8Number ScriptCodeCount; |
915 | |
916 | *nItems = 0; |
917 | |
918 | // One dword should be there |
919 | if (SizeOfTag < sizeof(cmsUInt32Number)) return NULL((void*)0); |
920 | |
921 | // Read len of ASCII |
922 | if (!_cmsReadUInt32Number(io, &AsciiCount)) return NULL((void*)0); |
923 | SizeOfTag -= sizeof(cmsUInt32Number); |
924 | |
925 | // Check for size |
926 | if (SizeOfTag < AsciiCount) return NULL((void*)0); |
927 | |
928 | // All seems Ok, allocate the container |
929 | mlu = cmsMLUalloc(self ->ContextID, 1); |
930 | if (mlu == NULL((void*)0)) return NULL((void*)0); |
931 | |
932 | // As many memory as size of tag |
933 | Text = (char*) _cmsMalloc(self ->ContextID, AsciiCount + 1); |
934 | if (Text == NULL((void*)0)) goto Error; |
935 | |
936 | // Read it |
937 | if (io ->Read(io, Text, sizeof(char), AsciiCount) != AsciiCount) goto Error; |
938 | SizeOfTag -= AsciiCount; |
939 | |
940 | // Make sure there is a terminator |
941 | Text[AsciiCount] = 0; |
942 | |
943 | // Set the MLU entry. From here we can be tolerant to wrong types |
944 | if (!cmsMLUsetASCII(mlu, cmsNoLanguage"\0\0", cmsNoCountry"\0\0", Text)) goto Error; |
945 | _cmsFree(self ->ContextID, (void*) Text); |
946 | Text = NULL((void*)0); |
947 | |
948 | // Skip Unicode code |
949 | if (SizeOfTag < 2* sizeof(cmsUInt32Number)) goto Done; |
950 | if (!_cmsReadUInt32Number(io, &UnicodeCode)) goto Done; |
951 | if (!_cmsReadUInt32Number(io, &UnicodeCount)) goto Done; |
952 | SizeOfTag -= 2* sizeof(cmsUInt32Number); |
953 | |
954 | if (SizeOfTag < UnicodeCount*sizeof(cmsUInt16Number)) goto Done; |
955 | |
956 | for (i=0; i < UnicodeCount; i++) { |
957 | if (!io ->Read(io, &Dummy, sizeof(cmsUInt16Number), 1)) goto Done; |
958 | } |
959 | SizeOfTag -= UnicodeCount*sizeof(cmsUInt16Number); |
960 | |
961 | // Skip ScriptCode code if present. Some buggy profiles does have less |
962 | // data that stricttly required. We need to skip it as this type may come |
963 | // embedded in other types. |
964 | |
965 | if (SizeOfTag >= sizeof(cmsUInt16Number) + sizeof(cmsUInt8Number) + 67) { |
966 | |
967 | if (!_cmsReadUInt16Number(io, &ScriptCodeCode)) goto Done; |
968 | if (!_cmsReadUInt8Number(io, &ScriptCodeCount)) goto Done; |
969 | |
970 | // Skip rest of tag |
971 | for (i=0; i < 67; i++) { |
972 | if (!io ->Read(io, &Dummy, sizeof(cmsUInt8Number), 1)) goto Error; |
973 | } |
974 | } |
975 | |
976 | Done: |
977 | |
978 | *nItems = 1; |
979 | return mlu; |
980 | |
981 | Error: |
982 | if (Text) _cmsFree(self ->ContextID, (void*) Text); |
983 | if (mlu) cmsMLUfree(mlu); |
984 | return NULL((void*)0); |
985 | } |
986 | |
987 | |
988 | // This tag can come IN UNALIGNED SIZE. In order to prevent issues, we force zeros on description to align it |
989 | static |
990 | cmsBool Type_Text_Description_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
991 | { |
992 | cmsMLU* mlu = (cmsMLU*) Ptr; |
993 | char *Text = NULL((void*)0); |
994 | wchar_t *Wide = NULL((void*)0); |
995 | cmsUInt32Number len, len_text, len_tag_requirement, len_aligned; |
996 | cmsBool rc = FALSE0; |
997 | char Filler[68]; |
998 | |
999 | // Used below for writing zeroes |
1000 | memset(Filler, 0, sizeof(Filler)); |
1001 | |
1002 | // Get the len of string |
1003 | len = cmsMLUgetASCII(mlu, cmsNoLanguage"\0\0", cmsNoCountry"\0\0", NULL((void*)0), 0); |
1004 | |
1005 | // Specification ICC.1:2001-04 (v2.4.0): It has been found that textDescriptionType can contain misaligned data |
1006 | //(see clause 4.1 for the definition of 'aligned'). Because the Unicode language |
1007 | // code and Unicode count immediately follow the ASCII description, their |
1008 | // alignment is not correct if the ASCII count is not a multiple of four. The |
1009 | // ScriptCode code is misaligned when the ASCII count is odd. Profile reading and |
1010 | // writing software must be written carefully in order to handle these alignment |
1011 | // problems. |
1012 | // |
1013 | // The above last sentence suggest to handle alignment issues in the |
1014 | // parser. The provided example (Table 69 on Page 60) makes this clear. |
1015 | // The padding only in the ASCII count is not sufficient for a aligned tag |
1016 | // size, with the same text size in ASCII and Unicode. |
1017 | |
1018 | // Null strings |
1019 | if (len <= 0) { |
1020 | |
1021 | Text = (char*) _cmsDupMem(self ->ContextID, "", sizeof(char)); |
1022 | Wide = (wchar_t*) _cmsDupMem(self ->ContextID, L"", sizeof(wchar_t)); |
1023 | } |
1024 | else { |
1025 | // Create independent buffers |
1026 | Text = (char*) _cmsCalloc(self ->ContextID, len, sizeof(char)); |
1027 | if (Text == NULL((void*)0)) goto Error; |
1028 | |
1029 | Wide = (wchar_t*) _cmsCalloc(self ->ContextID, len, sizeof(wchar_t)); |
1030 | if (Wide == NULL((void*)0)) goto Error; |
1031 | |
1032 | // Get both representations. |
1033 | cmsMLUgetASCII(mlu, cmsNoLanguage"\0\0", cmsNoCountry"\0\0", Text, len * sizeof(char)); |
1034 | cmsMLUgetWide(mlu, cmsNoLanguage"\0\0", cmsNoCountry"\0\0", Wide, len * sizeof(wchar_t)); |
1035 | } |
1036 | |
1037 | // Tell the real text len including the null terminator and padding |
1038 | len_text = (cmsUInt32Number) strlen(Text) + 1; |
1039 | // Compute an total tag size requirement |
1040 | len_tag_requirement = (8+4+len_text+4+4+2*len_text+2+1+67); |
1041 | len_aligned = _cmsALIGNLONG(len_tag_requirement)(((len_tag_requirement)+(sizeof(cmsUInt32Number)-1)) & ~( sizeof(cmsUInt32Number)-1)); |
1042 | |
1043 | // * cmsUInt32Number count; * Description length |
1044 | // * cmsInt8Number desc[count] * NULL terminated ascii string |
1045 | // * cmsUInt32Number ucLangCode; * UniCode language code |
1046 | // * cmsUInt32Number ucCount; * UniCode description length |
1047 | // * cmsInt16Number ucDesc[ucCount];* The UniCode description |
1048 | // * cmsUInt16Number scCode; * ScriptCode code |
1049 | // * cmsUInt8Number scCount; * ScriptCode count |
1050 | // * cmsInt8Number scDesc[67]; * ScriptCode Description |
1051 | |
1052 | if (!_cmsWriteUInt32Number(io, len_text)) goto Error; |
1053 | if (!io ->Write(io, len_text, Text)) goto Error; |
1054 | |
1055 | if (!_cmsWriteUInt32Number(io, 0)) goto Error; // ucLanguageCode |
1056 | |
1057 | if (!_cmsWriteUInt32Number(io, len_text)) goto Error; |
1058 | // Note that in some compilers sizeof(cmsUInt16Number) != sizeof(wchar_t) |
1059 | if (!_cmsWriteWCharArray(io, len_text, Wide)) goto Error; |
1060 | |
1061 | // ScriptCode Code & count (unused) |
1062 | if (!_cmsWriteUInt16Number(io, 0)) goto Error; |
1063 | if (!_cmsWriteUInt8Number(io, 0)) goto Error; |
1064 | |
1065 | if (!io ->Write(io, 67, Filler)) goto Error; |
1066 | |
1067 | // possibly add pad at the end of tag |
1068 | if(len_aligned - len_tag_requirement > 0) |
1069 | if (!io ->Write(io, len_aligned - len_tag_requirement, Filler)) goto Error; |
1070 | |
1071 | rc = TRUE1; |
1072 | |
1073 | Error: |
1074 | if (Text) _cmsFree(self ->ContextID, Text); |
1075 | if (Wide) _cmsFree(self ->ContextID, Wide); |
1076 | |
1077 | return rc; |
1078 | |
1079 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
1080 | } |
1081 | |
1082 | |
1083 | static |
1084 | void* Type_Text_Description_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
1085 | { |
1086 | return (void*) cmsMLUdup((cmsMLU*) Ptr); |
1087 | |
1088 | cmsUNUSED_PARAMETER(n)((void)n); |
1089 | cmsUNUSED_PARAMETER(self)((void)self); |
1090 | } |
1091 | |
1092 | static |
1093 | void Type_Text_Description_Free(struct _cms_typehandler_struct* self, void* Ptr) |
1094 | { |
1095 | cmsMLU* mlu = (cmsMLU*) Ptr; |
1096 | |
1097 | cmsMLUfree(mlu); |
1098 | return; |
1099 | |
1100 | cmsUNUSED_PARAMETER(self)((void)self); |
1101 | } |
1102 | |
1103 | |
1104 | static |
1105 | cmsTagTypeSignature DecideTextDescType(cmsFloat64Number ICCVersion, const void *Data) |
1106 | { |
1107 | if (ICCVersion >= 4.0) |
1108 | return cmsSigMultiLocalizedUnicodeType; |
1109 | |
1110 | return cmsSigTextDescriptionType; |
1111 | |
1112 | cmsUNUSED_PARAMETER(Data)((void)Data); |
1113 | } |
1114 | |
1115 | |
1116 | // ******************************************************************************** |
1117 | // Type cmsSigCurveType |
1118 | // ******************************************************************************** |
1119 | |
1120 | static |
1121 | void *Type_Curve_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
1122 | { |
1123 | cmsUInt32Number Count; |
1124 | cmsToneCurve* NewGamma; |
1125 | |
1126 | *nItems = 0; |
1127 | if (!_cmsReadUInt32Number(io, &Count)) return NULL((void*)0); |
1128 | |
1129 | switch (Count) { |
1130 | |
1131 | case 0: // Linear. |
1132 | { |
1133 | cmsFloat64Number SingleGamma = 1.0; |
1134 | |
1135 | NewGamma = cmsBuildParametricToneCurve(self ->ContextID, 1, &SingleGamma); |
1136 | if (!NewGamma) return NULL((void*)0); |
1137 | *nItems = 1; |
1138 | return NewGamma; |
1139 | } |
1140 | |
1141 | case 1: // Specified as the exponent of gamma function |
1142 | { |
1143 | cmsUInt16Number SingleGammaFixed; |
1144 | cmsFloat64Number SingleGamma; |
1145 | |
1146 | if (!_cmsReadUInt16Number(io, &SingleGammaFixed)) return NULL((void*)0); |
1147 | SingleGamma = _cms8Fixed8toDouble(SingleGammaFixed); |
1148 | |
1149 | *nItems = 1; |
1150 | return cmsBuildParametricToneCurve(self ->ContextID, 1, &SingleGamma); |
1151 | } |
1152 | |
1153 | default: // Curve |
1154 | |
1155 | if (Count > 0x7FFF) |
1156 | return NULL((void*)0); // This is to prevent bad guys for doing bad things |
1157 | |
1158 | NewGamma = cmsBuildTabulatedToneCurve16(self ->ContextID, Count, NULL((void*)0)); |
1159 | if (!NewGamma) return NULL((void*)0); |
1160 | |
1161 | if (!_cmsReadUInt16Array(io, Count, NewGamma -> Table16)) { |
1162 | cmsFreeToneCurve(NewGamma); |
1163 | return NULL((void*)0); |
1164 | } |
1165 | |
1166 | *nItems = 1; |
1167 | return NewGamma; |
1168 | } |
1169 | |
1170 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
1171 | } |
1172 | |
1173 | |
1174 | static |
1175 | cmsBool Type_Curve_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
1176 | { |
1177 | cmsToneCurve* Curve = (cmsToneCurve*) Ptr; |
1178 | |
1179 | if (Curve ->nSegments == 1 && Curve ->Segments[0].Type == 1) { |
1180 | |
1181 | // Single gamma, preserve number |
1182 | cmsUInt16Number SingleGammaFixed = _cmsDoubleTo8Fixed8(Curve ->Segments[0].Params[0]); |
1183 | |
1184 | if (!_cmsWriteUInt32Number(io, 1)) return FALSE0; |
1185 | if (!_cmsWriteUInt16Number(io, SingleGammaFixed)) return FALSE0; |
1186 | return TRUE1; |
1187 | |
1188 | } |
1189 | |
1190 | if (!_cmsWriteUInt32Number(io, Curve ->nEntries)) return FALSE0; |
1191 | return _cmsWriteUInt16Array(io, Curve ->nEntries, Curve ->Table16); |
1192 | |
1193 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
1194 | cmsUNUSED_PARAMETER(self)((void)self); |
1195 | } |
1196 | |
1197 | |
1198 | static |
1199 | void* Type_Curve_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
1200 | { |
1201 | return (void*) cmsDupToneCurve((cmsToneCurve*) Ptr); |
1202 | |
1203 | cmsUNUSED_PARAMETER(n)((void)n); |
1204 | cmsUNUSED_PARAMETER(self)((void)self); |
1205 | } |
1206 | |
1207 | static |
1208 | void Type_Curve_Free(struct _cms_typehandler_struct* self, void* Ptr) |
1209 | { |
1210 | cmsToneCurve* gamma = (cmsToneCurve*) Ptr; |
1211 | |
1212 | cmsFreeToneCurve(gamma); |
1213 | return; |
1214 | |
1215 | cmsUNUSED_PARAMETER(self)((void)self); |
1216 | } |
1217 | |
1218 | |
1219 | // ******************************************************************************** |
1220 | // Type cmsSigParametricCurveType |
1221 | // ******************************************************************************** |
1222 | |
1223 | |
1224 | // Decide which curve type to use on writing |
1225 | static |
1226 | cmsTagTypeSignature DecideCurveType(cmsFloat64Number ICCVersion, const void *Data) |
1227 | { |
1228 | cmsToneCurve* Curve = (cmsToneCurve*) Data; |
1229 | |
1230 | if (ICCVersion < 4.0) return cmsSigCurveType; |
1231 | if (Curve ->nSegments != 1) return cmsSigCurveType; // Only 1-segment curves can be saved as parametric |
1232 | if (Curve ->Segments[0].Type < 0) return cmsSigCurveType; // Only non-inverted curves |
1233 | if (Curve ->Segments[0].Type > 5) return cmsSigCurveType; // Only ICC parametric curves |
1234 | |
1235 | return cmsSigParametricCurveType; |
1236 | } |
1237 | |
1238 | static |
1239 | void *Type_ParametricCurve_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
1240 | { |
1241 | static const int ParamsByType[] = { 1, 3, 4, 5, 7 }; |
1242 | cmsFloat64Number Params[10]; |
1243 | cmsUInt16Number Type; |
1244 | int i, n; |
1245 | cmsToneCurve* NewGamma; |
1246 | |
1247 | if (!_cmsReadUInt16Number(io, &Type)) return NULL((void*)0); |
1248 | if (!_cmsReadUInt16Number(io, NULL((void*)0))) return NULL((void*)0); // Reserved |
1249 | |
1250 | if (Type > 4) { |
1251 | |
1252 | cmsSignalError(self->ContextID, cmsERROR_UNKNOWN_EXTENSION8, "Unknown parametric curve type '%d'", Type); |
1253 | return NULL((void*)0); |
1254 | } |
1255 | |
1256 | memset(Params, 0, sizeof(Params)); |
1257 | n = ParamsByType[Type]; |
1258 | |
1259 | for (i=0; i < n; i++) { |
1260 | |
1261 | if (!_cmsRead15Fixed16Number(io, &Params[i])) return NULL((void*)0); |
1262 | } |
1263 | |
1264 | NewGamma = cmsBuildParametricToneCurve(self ->ContextID, Type+1, Params); |
1265 | |
1266 | *nItems = 1; |
1267 | return NewGamma; |
1268 | |
1269 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
1270 | } |
1271 | |
1272 | |
1273 | static |
1274 | cmsBool Type_ParametricCurve_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
1275 | { |
1276 | cmsToneCurve* Curve = (cmsToneCurve*) Ptr; |
1277 | int i, nParams, typen; |
1278 | static const int ParamsByType[] = { 0, 1, 3, 4, 5, 7 }; |
1279 | |
1280 | typen = Curve -> Segments[0].Type; |
1281 | |
1282 | if (Curve ->nSegments > 1 || typen < 1) { |
1283 | |
1284 | cmsSignalError(self->ContextID, cmsERROR_UNKNOWN_EXTENSION8, "Multisegment or Inverted parametric curves cannot be written"); |
1285 | return FALSE0; |
1286 | } |
1287 | |
1288 | if (typen > 5) { |
1289 | cmsSignalError(self->ContextID, cmsERROR_UNKNOWN_EXTENSION8, "Unsupported parametric curve"); |
1290 | return FALSE0; |
1291 | } |
1292 | |
1293 | nParams = ParamsByType[typen]; |
1294 | |
1295 | if (!_cmsWriteUInt16Number(io, (cmsUInt16Number) (Curve ->Segments[0].Type - 1))) return FALSE0; |
1296 | if (!_cmsWriteUInt16Number(io, 0)) return FALSE0; // Reserved |
1297 | |
1298 | for (i=0; i < nParams; i++) { |
1299 | |
1300 | if (!_cmsWrite15Fixed16Number(io, Curve -> Segments[0].Params[i])) return FALSE0; |
1301 | } |
1302 | |
1303 | return TRUE1; |
1304 | |
1305 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
1306 | } |
1307 | |
1308 | static |
1309 | void* Type_ParametricCurve_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
1310 | { |
1311 | return (void*) cmsDupToneCurve((cmsToneCurve*) Ptr); |
1312 | |
1313 | cmsUNUSED_PARAMETER(n)((void)n); |
1314 | cmsUNUSED_PARAMETER(self)((void)self); |
1315 | } |
1316 | |
1317 | static |
1318 | void Type_ParametricCurve_Free(struct _cms_typehandler_struct* self, void* Ptr) |
1319 | { |
1320 | cmsToneCurve* gamma = (cmsToneCurve*) Ptr; |
1321 | |
1322 | cmsFreeToneCurve(gamma); |
1323 | return; |
1324 | |
1325 | cmsUNUSED_PARAMETER(self)((void)self); |
1326 | } |
1327 | |
1328 | |
1329 | // ******************************************************************************** |
1330 | // Type cmsSigDateTimeType |
1331 | // ******************************************************************************** |
1332 | |
1333 | // A 12-byte value representation of the time and date, where the byte usage is assigned |
1334 | // as specified in table 1. The actual values are encoded as 16-bit unsigned integers |
1335 | // (uInt16Number - see 5.1.6). |
1336 | // |
1337 | // All the dateTimeNumber values in a profile shall be in Coordinated Universal Time |
1338 | // (UTC, also known as GMT or ZULU Time). Profile writers are required to convert local |
1339 | // time to UTC when setting these values. Programmes that display these values may show |
1340 | // the dateTimeNumber as UTC, show the equivalent local time (at current locale), or |
1341 | // display both UTC and local versions of the dateTimeNumber. |
1342 | |
1343 | static |
1344 | void *Type_DateTime_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
1345 | { |
1346 | cmsDateTimeNumber timestamp; |
1347 | struct tm * NewDateTime; |
1348 | |
1349 | *nItems = 0; |
1350 | NewDateTime = (struct tm*) _cmsMalloc(self ->ContextID, sizeof(struct tm)); |
1351 | if (NewDateTime == NULL((void*)0)) return NULL((void*)0); |
1352 | |
1353 | if (io->Read(io, ×tamp, sizeof(cmsDateTimeNumber), 1) != 1) return NULL((void*)0); |
1354 | |
1355 | _cmsDecodeDateTimeNumber(×tamp, NewDateTime); |
1356 | |
1357 | *nItems = 1; |
1358 | return NewDateTime; |
1359 | |
1360 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
1361 | } |
1362 | |
1363 | |
1364 | static |
1365 | cmsBool Type_DateTime_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
1366 | { |
1367 | struct tm * DateTime = (struct tm*) Ptr; |
1368 | cmsDateTimeNumber timestamp; |
1369 | |
1370 | _cmsEncodeDateTimeNumber(×tamp, DateTime); |
1371 | if (!io ->Write(io, sizeof(cmsDateTimeNumber), ×tamp)) return FALSE0; |
1372 | |
1373 | return TRUE1; |
1374 | |
1375 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
1376 | cmsUNUSED_PARAMETER(self)((void)self); |
1377 | } |
1378 | |
1379 | static |
1380 | void* Type_DateTime_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
1381 | { |
1382 | return _cmsDupMem(self ->ContextID, Ptr, sizeof(struct tm)); |
1383 | |
1384 | cmsUNUSED_PARAMETER(n)((void)n); |
1385 | } |
1386 | |
1387 | static |
1388 | void Type_DateTime_Free(struct _cms_typehandler_struct* self, void* Ptr) |
1389 | { |
1390 | _cmsFree(self ->ContextID, Ptr); |
1391 | } |
1392 | |
1393 | |
1394 | |
1395 | // ******************************************************************************** |
1396 | // Type icMeasurementType |
1397 | // ******************************************************************************** |
1398 | |
1399 | /* |
1400 | The measurementType information refers only to the internal profile data and is |
1401 | meant to provide profile makers an alternative to the default measurement |
1402 | specifications. |
1403 | */ |
1404 | |
1405 | static |
1406 | void *Type_Measurement_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
1407 | { |
1408 | cmsICCMeasurementConditions mc; |
1409 | |
1410 | |
1411 | memset(&mc, 0, sizeof(mc)); |
1412 | |
1413 | if (!_cmsReadUInt32Number(io, &mc.Observer)) return NULL((void*)0); |
1414 | if (!_cmsReadXYZNumber(io, &mc.Backing)) return NULL((void*)0); |
1415 | if (!_cmsReadUInt32Number(io, &mc.Geometry)) return NULL((void*)0); |
1416 | if (!_cmsRead15Fixed16Number(io, &mc.Flare)) return NULL((void*)0); |
1417 | if (!_cmsReadUInt32Number(io, &mc.IlluminantType)) return NULL((void*)0); |
1418 | |
1419 | *nItems = 1; |
1420 | return _cmsDupMem(self ->ContextID, &mc, sizeof(cmsICCMeasurementConditions)); |
1421 | |
1422 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
1423 | } |
1424 | |
1425 | |
1426 | static |
1427 | cmsBool Type_Measurement_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
1428 | { |
1429 | cmsICCMeasurementConditions* mc =(cmsICCMeasurementConditions*) Ptr; |
1430 | |
1431 | if (!_cmsWriteUInt32Number(io, mc->Observer)) return FALSE0; |
1432 | if (!_cmsWriteXYZNumber(io, &mc->Backing)) return FALSE0; |
1433 | if (!_cmsWriteUInt32Number(io, mc->Geometry)) return FALSE0; |
1434 | if (!_cmsWrite15Fixed16Number(io, mc->Flare)) return FALSE0; |
1435 | if (!_cmsWriteUInt32Number(io, mc->IlluminantType)) return FALSE0; |
1436 | |
1437 | return TRUE1; |
1438 | |
1439 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
1440 | cmsUNUSED_PARAMETER(self)((void)self); |
1441 | } |
1442 | |
1443 | static |
1444 | void* Type_Measurement_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
1445 | { |
1446 | return _cmsDupMem(self ->ContextID, Ptr, sizeof(cmsICCMeasurementConditions)); |
1447 | |
1448 | cmsUNUSED_PARAMETER(n)((void)n); |
1449 | } |
1450 | |
1451 | static |
1452 | void Type_Measurement_Free(struct _cms_typehandler_struct* self, void* Ptr) |
1453 | { |
1454 | _cmsFree(self ->ContextID, Ptr); |
1455 | } |
1456 | |
1457 | |
1458 | // ******************************************************************************** |
1459 | // Type cmsSigMultiLocalizedUnicodeType |
1460 | // ******************************************************************************** |
1461 | // |
1462 | // Do NOT trust SizeOfTag as there is an issue on the definition of profileSequenceDescTag. See the TechNote from |
1463 | // Max Derhak and Rohit Patil about this: basically the size of the string table should be guessed and cannot be |
1464 | // taken from the size of tag if this tag is embedded as part of bigger structures (profileSequenceDescTag, for instance) |
1465 | // |
1466 | |
1467 | static |
1468 | void *Type_MLU_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
1469 | { |
1470 | cmsMLU* mlu; |
1471 | cmsUInt32Number Count, RecLen, NumOfWchar; |
1472 | cmsUInt32Number SizeOfHeader; |
1473 | cmsUInt32Number Len, Offset; |
1474 | cmsUInt32Number i; |
1475 | wchar_t* Block; |
1476 | cmsUInt32Number BeginOfThisString, EndOfThisString, LargestPosition; |
1477 | |
1478 | *nItems = 0; |
1479 | if (!_cmsReadUInt32Number(io, &Count)) return NULL((void*)0); |
1480 | if (!_cmsReadUInt32Number(io, &RecLen)) return NULL((void*)0); |
1481 | |
1482 | if (RecLen != 12) { |
1483 | |
1484 | cmsSignalError(self->ContextID, cmsERROR_UNKNOWN_EXTENSION8, "multiLocalizedUnicodeType of len != 12 is not supported."); |
1485 | return NULL((void*)0); |
1486 | } |
1487 | |
1488 | mlu = cmsMLUalloc(self ->ContextID, Count); |
1489 | if (mlu == NULL((void*)0)) return NULL((void*)0); |
1490 | |
1491 | mlu ->UsedEntries = Count; |
1492 | |
1493 | SizeOfHeader = 12 * Count + sizeof(_cmsTagBase); |
1494 | LargestPosition = 0; |
1495 | |
1496 | for (i=0; i < Count; i++) { |
1497 | |
1498 | if (!_cmsReadUInt16Number(io, &mlu ->Entries[i].Language)) goto Error; |
1499 | if (!_cmsReadUInt16Number(io, &mlu ->Entries[i].Country)) goto Error; |
1500 | |
1501 | // Now deal with Len and offset. |
1502 | if (!_cmsReadUInt32Number(io, &Len)) goto Error; |
1503 | if (!_cmsReadUInt32Number(io, &Offset)) goto Error; |
1504 | |
1505 | // Check for overflow |
1506 | if (Offset < (SizeOfHeader + 8)) goto Error; |
1507 | if (((Offset + Len) < Len) || ((Offset + Len) > SizeOfTag + 8)) goto Error; |
1508 | |
1509 | // True begin of the string |
1510 | BeginOfThisString = Offset - SizeOfHeader - 8; |
1511 | |
1512 | // Adjust to wchar_t elements |
1513 | mlu ->Entries[i].Len = (Len * sizeof(wchar_t)) / sizeof(cmsUInt16Number); |
1514 | mlu ->Entries[i].StrW = (BeginOfThisString * sizeof(wchar_t)) / sizeof(cmsUInt16Number); |
1515 | |
1516 | // To guess maximum size, add offset + len |
1517 | EndOfThisString = BeginOfThisString + Len; |
1518 | if (EndOfThisString > LargestPosition) |
1519 | LargestPosition = EndOfThisString; |
1520 | } |
1521 | |
1522 | // Now read the remaining of tag and fill all strings. Subtract the directory |
1523 | SizeOfTag = (LargestPosition * sizeof(wchar_t)) / sizeof(cmsUInt16Number); |
1524 | if (SizeOfTag == 0) |
1525 | { |
1526 | Block = NULL((void*)0); |
1527 | NumOfWchar = 0; |
Value stored to 'NumOfWchar' is never read | |
1528 | |
1529 | } |
1530 | else |
1531 | { |
1532 | Block = (wchar_t*) _cmsMalloc(self ->ContextID, SizeOfTag); |
1533 | if (Block == NULL((void*)0)) goto Error; |
1534 | NumOfWchar = SizeOfTag / sizeof(wchar_t); |
1535 | if (!_cmsReadWCharArray(io, NumOfWchar, Block)) goto Error; |
1536 | } |
1537 | |
1538 | mlu ->MemPool = Block; |
1539 | mlu ->PoolSize = SizeOfTag; |
1540 | mlu ->PoolUsed = SizeOfTag; |
1541 | |
1542 | *nItems = 1; |
1543 | return (void*) mlu; |
1544 | |
1545 | Error: |
1546 | if (mlu) cmsMLUfree(mlu); |
1547 | return NULL((void*)0); |
1548 | } |
1549 | |
1550 | static |
1551 | cmsBool Type_MLU_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
1552 | { |
1553 | cmsMLU* mlu =(cmsMLU*) Ptr; |
1554 | cmsUInt32Number HeaderSize; |
1555 | cmsUInt32Number Len, Offset; |
1556 | cmsUInt32Number i; |
1557 | |
1558 | if (Ptr == NULL((void*)0)) { |
1559 | |
1560 | // Empty placeholder |
1561 | if (!_cmsWriteUInt32Number(io, 0)) return FALSE0; |
1562 | if (!_cmsWriteUInt32Number(io, 12)) return FALSE0; |
1563 | return TRUE1; |
1564 | } |
1565 | |
1566 | if (!_cmsWriteUInt32Number(io, mlu ->UsedEntries)) return FALSE0; |
1567 | if (!_cmsWriteUInt32Number(io, 12)) return FALSE0; |
1568 | |
1569 | HeaderSize = 12 * mlu ->UsedEntries + sizeof(_cmsTagBase); |
1570 | |
1571 | for (i=0; i < mlu ->UsedEntries; i++) { |
1572 | |
1573 | Len = mlu ->Entries[i].Len; |
1574 | Offset = mlu ->Entries[i].StrW; |
1575 | |
1576 | Len = (Len * sizeof(cmsUInt16Number)) / sizeof(wchar_t); |
1577 | Offset = (Offset * sizeof(cmsUInt16Number)) / sizeof(wchar_t) + HeaderSize + 8; |
1578 | |
1579 | if (!_cmsWriteUInt16Number(io, mlu ->Entries[i].Language)) return FALSE0; |
1580 | if (!_cmsWriteUInt16Number(io, mlu ->Entries[i].Country)) return FALSE0; |
1581 | if (!_cmsWriteUInt32Number(io, Len)) return FALSE0; |
1582 | if (!_cmsWriteUInt32Number(io, Offset)) return FALSE0; |
1583 | } |
1584 | |
1585 | if (!_cmsWriteWCharArray(io, mlu ->PoolUsed / sizeof(wchar_t), (wchar_t*) mlu ->MemPool)) return FALSE0; |
1586 | |
1587 | return TRUE1; |
1588 | |
1589 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
1590 | cmsUNUSED_PARAMETER(self)((void)self); |
1591 | } |
1592 | |
1593 | |
1594 | static |
1595 | void* Type_MLU_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
1596 | { |
1597 | return (void*) cmsMLUdup((cmsMLU*) Ptr); |
1598 | |
1599 | cmsUNUSED_PARAMETER(n)((void)n); |
1600 | cmsUNUSED_PARAMETER(self)((void)self); |
1601 | } |
1602 | |
1603 | static |
1604 | void Type_MLU_Free(struct _cms_typehandler_struct* self, void* Ptr) |
1605 | { |
1606 | cmsMLUfree((cmsMLU*) Ptr); |
1607 | return; |
1608 | |
1609 | cmsUNUSED_PARAMETER(self)((void)self); |
1610 | } |
1611 | |
1612 | |
1613 | // ******************************************************************************** |
1614 | // Type cmsSigLut8Type |
1615 | // ******************************************************************************** |
1616 | |
1617 | // Decide which LUT type to use on writing |
1618 | static |
1619 | cmsTagTypeSignature DecideLUTtypeA2B(cmsFloat64Number ICCVersion, const void *Data) |
1620 | { |
1621 | cmsPipeline* Lut = (cmsPipeline*) Data; |
1622 | |
1623 | if (ICCVersion < 4.0) { |
1624 | if (Lut ->SaveAs8Bits) return cmsSigLut8Type; |
1625 | return cmsSigLut16Type; |
1626 | } |
1627 | else { |
1628 | return cmsSigLutAtoBType; |
1629 | } |
1630 | } |
1631 | |
1632 | static |
1633 | cmsTagTypeSignature DecideLUTtypeB2A(cmsFloat64Number ICCVersion, const void *Data) |
1634 | { |
1635 | cmsPipeline* Lut = (cmsPipeline*) Data; |
1636 | |
1637 | if (ICCVersion < 4.0) { |
1638 | if (Lut ->SaveAs8Bits) return cmsSigLut8Type; |
1639 | return cmsSigLut16Type; |
1640 | } |
1641 | else { |
1642 | return cmsSigLutBtoAType; |
1643 | } |
1644 | } |
1645 | |
1646 | /* |
1647 | This structure represents a colour transform using tables of 8-bit precision. |
1648 | This type contains four processing elements: a 3 by 3 matrix (which shall be |
1649 | the identity matrix unless the input colour space is XYZ), a set of one dimensional |
1650 | input tables, a multidimensional lookup table, and a set of one dimensional output |
1651 | tables. Data is processed using these elements via the following sequence: |
1652 | (matrix) -> (1d input tables) -> (multidimensional lookup table - CLUT) -> (1d output tables) |
1653 | |
1654 | Byte Position Field Length (bytes) Content Encoded as... |
1655 | 8 1 Number of Input Channels (i) uInt8Number |
1656 | 9 1 Number of Output Channels (o) uInt8Number |
1657 | 10 1 Number of CLUT grid points (identical for each side) (g) uInt8Number |
1658 | 11 1 Reserved for padding (fill with 00h) |
1659 | |
1660 | 12..15 4 Encoded e00 parameter s15Fixed16Number |
1661 | */ |
1662 | |
1663 | |
1664 | // Read 8 bit tables as gamma functions |
1665 | static |
1666 | cmsBool Read8bitTables(cmsContext ContextID, cmsIOHANDLER* io, cmsPipeline* lut, cmsUInt32Number nChannels) |
1667 | { |
1668 | cmsUInt8Number* Temp = NULL((void*)0); |
1669 | cmsUInt32Number i, j; |
1670 | cmsToneCurve* Tables[cmsMAXCHANNELS16]; |
1671 | |
1672 | if (nChannels > cmsMAXCHANNELS16) return FALSE0; |
1673 | if (nChannels <= 0) return FALSE0; |
1674 | |
1675 | memset(Tables, 0, sizeof(Tables)); |
1676 | |
1677 | Temp = (cmsUInt8Number*) _cmsMalloc(ContextID, 256); |
1678 | if (Temp == NULL((void*)0)) return FALSE0; |
1679 | |
1680 | for (i=0; i < nChannels; i++) { |
1681 | Tables[i] = cmsBuildTabulatedToneCurve16(ContextID, 256, NULL((void*)0)); |
1682 | if (Tables[i] == NULL((void*)0)) goto Error; |
1683 | } |
1684 | |
1685 | for (i=0; i < nChannels; i++) { |
1686 | |
1687 | if (io ->Read(io, Temp, 256, 1) != 1) goto Error; |
1688 | |
1689 | for (j=0; j < 256; j++) |
1690 | Tables[i]->Table16[j] = (cmsUInt16Number) FROM_8_TO_16(Temp[j])(cmsUInt16Number) ((((cmsUInt16Number) (Temp[j])) << 8) |(Temp[j])); |
1691 | } |
1692 | |
1693 | _cmsFree(ContextID, Temp); |
1694 | Temp = NULL((void*)0); |
1695 | |
1696 | if (!cmsPipelineInsertStage(lut, cmsAT_END, cmsStageAllocToneCurves(ContextID, nChannels, Tables))) |
1697 | goto Error; |
1698 | |
1699 | for (i=0; i < nChannels; i++) |
1700 | cmsFreeToneCurve(Tables[i]); |
1701 | |
1702 | return TRUE1; |
1703 | |
1704 | Error: |
1705 | for (i=0; i < nChannels; i++) { |
1706 | if (Tables[i]) cmsFreeToneCurve(Tables[i]); |
1707 | } |
1708 | |
1709 | if (Temp) _cmsFree(ContextID, Temp); |
1710 | return FALSE0; |
1711 | } |
1712 | |
1713 | |
1714 | static |
1715 | cmsBool Write8bitTables(cmsContext ContextID, cmsIOHANDLER* io, cmsUInt32Number n, _cmsStageToneCurvesData* Tables) |
1716 | { |
1717 | int j; |
1718 | cmsUInt32Number i; |
1719 | cmsUInt8Number val; |
1720 | |
1721 | for (i=0; i < n; i++) { |
1722 | |
1723 | if (Tables) { |
1724 | |
1725 | // Usual case of identity curves |
1726 | if ((Tables ->TheCurves[i]->nEntries == 2) && |
1727 | (Tables->TheCurves[i]->Table16[0] == 0) && |
1728 | (Tables->TheCurves[i]->Table16[1] == 65535)) { |
1729 | |
1730 | for (j=0; j < 256; j++) { |
1731 | if (!_cmsWriteUInt8Number(io, (cmsUInt8Number) j)) return FALSE0; |
1732 | } |
1733 | } |
1734 | else |
1735 | if (Tables ->TheCurves[i]->nEntries != 256) { |
1736 | cmsSignalError(ContextID, cmsERROR_RANGE2, "LUT8 needs 256 entries on prelinearization"); |
1737 | return FALSE0; |
1738 | } |
1739 | else |
1740 | for (j=0; j < 256; j++) { |
1741 | |
1742 | val = (cmsUInt8Number) FROM_16_TO_8(Tables->TheCurves[i]->Table16[j])(cmsUInt8Number) ((((cmsUInt32Number)(Tables->TheCurves[i] ->Table16[j]) * 65281U + 8388608U) >> 24) & 0xFFU ); |
1743 | |
1744 | if (!_cmsWriteUInt8Number(io, val)) return FALSE0; |
1745 | } |
1746 | } |
1747 | } |
1748 | return TRUE1; |
1749 | } |
1750 | |
1751 | |
1752 | // Check overflow |
1753 | static |
1754 | cmsUInt32Number uipow(cmsUInt32Number n, cmsUInt32Number a, cmsUInt32Number b) |
1755 | { |
1756 | cmsUInt32Number rv = 1, rc; |
1757 | |
1758 | if (a == 0) return 0; |
1759 | if (n == 0) return 0; |
1760 | |
1761 | for (; b > 0; b--) { |
1762 | |
1763 | rv *= a; |
1764 | |
1765 | // Check for overflow |
1766 | if (rv > UINT_MAX(2147483647 *2U +1U) / a) return (cmsUInt32Number) -1; |
1767 | |
1768 | } |
1769 | |
1770 | rc = rv * n; |
1771 | |
1772 | if (rv != rc / n) return (cmsUInt32Number) -1; |
1773 | return rc; |
1774 | } |
1775 | |
1776 | |
1777 | // That will create a MPE LUT with Matrix, pre tables, CLUT and post tables. |
1778 | // 8 bit lut may be scaled easely to v4 PCS, but we need also to properly adjust |
1779 | // PCS on BToAxx tags and AtoB if abstract. We need to fix input direction. |
1780 | |
1781 | static |
1782 | void *Type_LUT8_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
1783 | { |
1784 | cmsUInt8Number InputChannels, OutputChannels, CLUTpoints; |
1785 | cmsUInt8Number* Temp = NULL((void*)0); |
1786 | cmsPipeline* NewLUT = NULL((void*)0); |
1787 | cmsUInt32Number nTabSize, i; |
1788 | cmsFloat64Number Matrix[3*3]; |
1789 | |
1790 | *nItems = 0; |
1791 | |
1792 | if (!_cmsReadUInt8Number(io, &InputChannels)) goto Error; |
1793 | if (!_cmsReadUInt8Number(io, &OutputChannels)) goto Error; |
1794 | if (!_cmsReadUInt8Number(io, &CLUTpoints)) goto Error; |
1795 | |
1796 | if (CLUTpoints == 1) goto Error; // Impossible value, 0 for no CLUT and then 2 at least |
1797 | |
1798 | // Padding |
1799 | if (!_cmsReadUInt8Number(io, NULL((void*)0))) goto Error; |
1800 | |
1801 | // Do some checking |
1802 | if (InputChannels == 0 || InputChannels > cmsMAXCHANNELS16) goto Error; |
1803 | if (OutputChannels == 0 || OutputChannels > cmsMAXCHANNELS16) goto Error; |
1804 | |
1805 | // Allocates an empty Pipeline |
1806 | NewLUT = cmsPipelineAlloc(self ->ContextID, InputChannels, OutputChannels); |
1807 | if (NewLUT == NULL((void*)0)) goto Error; |
1808 | |
1809 | // Read the Matrix |
1810 | if (!_cmsRead15Fixed16Number(io, &Matrix[0])) goto Error; |
1811 | if (!_cmsRead15Fixed16Number(io, &Matrix[1])) goto Error; |
1812 | if (!_cmsRead15Fixed16Number(io, &Matrix[2])) goto Error; |
1813 | if (!_cmsRead15Fixed16Number(io, &Matrix[3])) goto Error; |
1814 | if (!_cmsRead15Fixed16Number(io, &Matrix[4])) goto Error; |
1815 | if (!_cmsRead15Fixed16Number(io, &Matrix[5])) goto Error; |
1816 | if (!_cmsRead15Fixed16Number(io, &Matrix[6])) goto Error; |
1817 | if (!_cmsRead15Fixed16Number(io, &Matrix[7])) goto Error; |
1818 | if (!_cmsRead15Fixed16Number(io, &Matrix[8])) goto Error; |
1819 | |
1820 | |
1821 | // Only operates if not identity... |
1822 | if ((InputChannels == 3) && !_cmsMAT3isIdentity((cmsMAT3*) Matrix)) { |
1823 | |
1824 | if (!cmsPipelineInsertStage(NewLUT, cmsAT_BEGIN, cmsStageAllocMatrix(self ->ContextID, 3, 3, Matrix, NULL((void*)0)))) |
1825 | goto Error; |
1826 | } |
1827 | |
1828 | // Get input tables |
1829 | if (!Read8bitTables(self ->ContextID, io, NewLUT, InputChannels)) goto Error; |
1830 | |
1831 | // Get 3D CLUT. Check the overflow.... |
1832 | nTabSize = uipow(OutputChannels, CLUTpoints, InputChannels); |
1833 | if (nTabSize == (cmsUInt32Number) -1) goto Error; |
1834 | if (nTabSize > 0) { |
1835 | |
1836 | cmsUInt16Number *PtrW, *T; |
1837 | |
1838 | PtrW = T = (cmsUInt16Number*) _cmsCalloc(self ->ContextID, nTabSize, sizeof(cmsUInt16Number)); |
1839 | if (T == NULL((void*)0)) goto Error; |
1840 | |
1841 | Temp = (cmsUInt8Number*) _cmsMalloc(self ->ContextID, nTabSize); |
1842 | if (Temp == NULL((void*)0)) { |
1843 | _cmsFree(self ->ContextID, T); |
1844 | goto Error; |
1845 | } |
1846 | |
1847 | if (io ->Read(io, Temp, nTabSize, 1) != 1) { |
1848 | _cmsFree(self ->ContextID, T); |
1849 | _cmsFree(self ->ContextID, Temp); |
1850 | goto Error; |
1851 | } |
1852 | |
1853 | for (i = 0; i < nTabSize; i++) { |
1854 | |
1855 | *PtrW++ = FROM_8_TO_16(Temp[i])(cmsUInt16Number) ((((cmsUInt16Number) (Temp[i])) << 8) |(Temp[i])); |
1856 | } |
1857 | _cmsFree(self ->ContextID, Temp); |
1858 | Temp = NULL((void*)0); |
1859 | |
1860 | if (!cmsPipelineInsertStage(NewLUT, cmsAT_END, cmsStageAllocCLut16bit(self ->ContextID, CLUTpoints, InputChannels, OutputChannels, T))) { |
1861 | _cmsFree(self ->ContextID, T); |
1862 | goto Error; |
1863 | } |
1864 | _cmsFree(self ->ContextID, T); |
1865 | } |
1866 | |
1867 | |
1868 | // Get output tables |
1869 | if (!Read8bitTables(self ->ContextID, io, NewLUT, OutputChannels)) goto Error; |
1870 | |
1871 | *nItems = 1; |
1872 | return NewLUT; |
1873 | |
1874 | Error: |
1875 | if (NewLUT != NULL((void*)0)) cmsPipelineFree(NewLUT); |
1876 | return NULL((void*)0); |
1877 | |
1878 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
1879 | } |
1880 | |
1881 | // We only allow a specific MPE structure: Matrix plus prelin, plus clut, plus post-lin. |
1882 | static |
1883 | cmsBool Type_LUT8_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
1884 | { |
1885 | cmsUInt32Number j, nTabSize, i, n; |
1886 | cmsUInt8Number val; |
1887 | cmsPipeline* NewLUT = (cmsPipeline*) Ptr; |
1888 | cmsStage* mpe; |
1889 | _cmsStageToneCurvesData* PreMPE = NULL((void*)0), *PostMPE = NULL((void*)0); |
1890 | _cmsStageMatrixData* MatMPE = NULL((void*)0); |
1891 | _cmsStageCLutData* clut = NULL((void*)0); |
1892 | cmsUInt32Number clutPoints; |
1893 | |
1894 | // Disassemble the LUT into components. |
1895 | mpe = NewLUT -> Elements; |
1896 | if (mpe ->Type == cmsSigMatrixElemType) { |
1897 | |
1898 | if (mpe->InputChannels != 3 || mpe->OutputChannels != 3) return FALSE0; |
1899 | MatMPE = (_cmsStageMatrixData*) mpe ->Data; |
1900 | mpe = mpe -> Next; |
1901 | } |
1902 | |
1903 | if (mpe != NULL((void*)0) && mpe ->Type == cmsSigCurveSetElemType) { |
1904 | PreMPE = (_cmsStageToneCurvesData*) mpe ->Data; |
1905 | mpe = mpe -> Next; |
1906 | } |
1907 | |
1908 | if (mpe != NULL((void*)0) && mpe ->Type == cmsSigCLutElemType) { |
1909 | clut = (_cmsStageCLutData*) mpe -> Data; |
1910 | mpe = mpe ->Next; |
1911 | } |
1912 | |
1913 | if (mpe != NULL((void*)0) && mpe ->Type == cmsSigCurveSetElemType) { |
1914 | PostMPE = (_cmsStageToneCurvesData*) mpe ->Data; |
1915 | mpe = mpe -> Next; |
1916 | } |
1917 | |
1918 | // That should be all |
1919 | if (mpe != NULL((void*)0)) { |
1920 | cmsSignalError(mpe->ContextID, cmsERROR_UNKNOWN_EXTENSION8, "LUT is not suitable to be saved as LUT8"); |
1921 | return FALSE0; |
1922 | } |
1923 | |
1924 | if (clut == NULL((void*)0)) |
1925 | clutPoints = 0; |
1926 | else |
1927 | clutPoints = clut->Params->nSamples[0]; |
1928 | |
1929 | if (!_cmsWriteUInt8Number(io, (cmsUInt8Number) NewLUT ->InputChannels)) return FALSE0; |
1930 | if (!_cmsWriteUInt8Number(io, (cmsUInt8Number) NewLUT ->OutputChannels)) return FALSE0; |
1931 | if (!_cmsWriteUInt8Number(io, (cmsUInt8Number) clutPoints)) return FALSE0; |
1932 | if (!_cmsWriteUInt8Number(io, 0)) return FALSE0; // Padding |
1933 | |
1934 | n = NewLUT->InputChannels * NewLUT->OutputChannels; |
1935 | |
1936 | if (MatMPE != NULL((void*)0)) { |
1937 | |
1938 | for (i = 0; i < 9; i++) |
1939 | { |
1940 | if (!_cmsWrite15Fixed16Number(io, MatMPE->Double[i])) return FALSE0; |
1941 | } |
1942 | } |
1943 | else { |
1944 | |
1945 | if (!_cmsWrite15Fixed16Number(io, 1)) return FALSE0; |
1946 | if (!_cmsWrite15Fixed16Number(io, 0)) return FALSE0; |
1947 | if (!_cmsWrite15Fixed16Number(io, 0)) return FALSE0; |
1948 | if (!_cmsWrite15Fixed16Number(io, 0)) return FALSE0; |
1949 | if (!_cmsWrite15Fixed16Number(io, 1)) return FALSE0; |
1950 | if (!_cmsWrite15Fixed16Number(io, 0)) return FALSE0; |
1951 | if (!_cmsWrite15Fixed16Number(io, 0)) return FALSE0; |
1952 | if (!_cmsWrite15Fixed16Number(io, 0)) return FALSE0; |
1953 | if (!_cmsWrite15Fixed16Number(io, 1)) return FALSE0; |
1954 | } |
1955 | |
1956 | // The prelinearization table |
1957 | if (!Write8bitTables(self ->ContextID, io, NewLUT ->InputChannels, PreMPE)) return FALSE0; |
1958 | |
1959 | nTabSize = uipow(NewLUT->OutputChannels, clutPoints, NewLUT ->InputChannels); |
1960 | if (nTabSize == (cmsUInt32Number) -1) return FALSE0; |
1961 | if (nTabSize > 0) { |
1962 | |
1963 | // The 3D CLUT. |
1964 | if (clut != NULL((void*)0)) { |
1965 | |
1966 | for (j=0; j < nTabSize; j++) { |
1967 | |
1968 | val = (cmsUInt8Number) FROM_16_TO_8(clut ->Tab.T[j])(cmsUInt8Number) ((((cmsUInt32Number)(clut ->Tab.T[j]) * 65281U + 8388608U) >> 24) & 0xFFU); |
1969 | if (!_cmsWriteUInt8Number(io, val)) return FALSE0; |
1970 | } |
1971 | } |
1972 | } |
1973 | |
1974 | // The postlinearization table |
1975 | if (!Write8bitTables(self ->ContextID, io, NewLUT ->OutputChannels, PostMPE)) return FALSE0; |
1976 | |
1977 | return TRUE1; |
1978 | |
1979 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
1980 | } |
1981 | |
1982 | |
1983 | static |
1984 | void* Type_LUT8_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
1985 | { |
1986 | return (void*) cmsPipelineDup((cmsPipeline*) Ptr); |
1987 | |
1988 | cmsUNUSED_PARAMETER(n)((void)n); |
1989 | cmsUNUSED_PARAMETER(self)((void)self); |
1990 | } |
1991 | |
1992 | static |
1993 | void Type_LUT8_Free(struct _cms_typehandler_struct* self, void* Ptr) |
1994 | { |
1995 | cmsPipelineFree((cmsPipeline*) Ptr); |
1996 | return; |
1997 | |
1998 | cmsUNUSED_PARAMETER(self)((void)self); |
1999 | } |
2000 | |
2001 | // ******************************************************************************** |
2002 | // Type cmsSigLut16Type |
2003 | // ******************************************************************************** |
2004 | |
2005 | // Read 16 bit tables as gamma functions |
2006 | static |
2007 | cmsBool Read16bitTables(cmsContext ContextID, cmsIOHANDLER* io, cmsPipeline* lut, |
2008 | cmsUInt32Number nChannels, cmsUInt32Number nEntries) |
2009 | { |
2010 | cmsUInt32Number i; |
2011 | cmsToneCurve* Tables[cmsMAXCHANNELS16]; |
2012 | |
2013 | // Maybe an empty table? (this is a lcms extension) |
2014 | if (nEntries <= 0) return TRUE1; |
2015 | |
2016 | // Check for malicious profiles |
2017 | if (nEntries < 2) return FALSE0; |
2018 | if (nChannels > cmsMAXCHANNELS16) return FALSE0; |
2019 | |
2020 | // Init table to zero |
2021 | memset(Tables, 0, sizeof(Tables)); |
2022 | |
2023 | for (i=0; i < nChannels; i++) { |
2024 | |
2025 | Tables[i] = cmsBuildTabulatedToneCurve16(ContextID, nEntries, NULL((void*)0)); |
2026 | if (Tables[i] == NULL((void*)0)) goto Error; |
2027 | |
2028 | if (!_cmsReadUInt16Array(io, nEntries, Tables[i]->Table16)) goto Error; |
2029 | } |
2030 | |
2031 | |
2032 | // Add the table (which may certainly be an identity, but this is up to the optimizer, not the reading code) |
2033 | if (!cmsPipelineInsertStage(lut, cmsAT_END, cmsStageAllocToneCurves(ContextID, nChannels, Tables))) |
2034 | goto Error; |
2035 | |
2036 | for (i=0; i < nChannels; i++) |
2037 | cmsFreeToneCurve(Tables[i]); |
2038 | |
2039 | return TRUE1; |
2040 | |
2041 | Error: |
2042 | for (i=0; i < nChannels; i++) { |
2043 | if (Tables[i]) cmsFreeToneCurve(Tables[i]); |
2044 | } |
2045 | |
2046 | return FALSE0; |
2047 | } |
2048 | |
2049 | static |
2050 | cmsBool Write16bitTables(cmsContext ContextID, cmsIOHANDLER* io, _cmsStageToneCurvesData* Tables) |
2051 | { |
2052 | cmsUInt32Number j; |
2053 | cmsUInt32Number i; |
2054 | cmsUInt16Number val; |
2055 | cmsUInt32Number nEntries; |
2056 | |
2057 | _cmsAssert(Tables != NULL)(((Tables != ((void*)0))) ? (void) (0) : __assert_fail ("(Tables != ((void*)0))" , "/home/daniel/Projects/java/jdk/src/java.desktop/share/native/liblcms/cmstypes.c" , 2057, __extension__ __PRETTY_FUNCTION__)); |
2058 | |
2059 | nEntries = Tables->TheCurves[0]->nEntries; |
2060 | |
2061 | for (i=0; i < Tables ->nCurves; i++) { |
2062 | |
2063 | for (j=0; j < nEntries; j++) { |
2064 | |
2065 | val = Tables->TheCurves[i]->Table16[j]; |
2066 | if (!_cmsWriteUInt16Number(io, val)) return FALSE0; |
2067 | } |
2068 | } |
2069 | return TRUE1; |
2070 | |
2071 | cmsUNUSED_PARAMETER(ContextID)((void)ContextID); |
2072 | } |
2073 | |
2074 | static |
2075 | void *Type_LUT16_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
2076 | { |
2077 | cmsUInt8Number InputChannels, OutputChannels, CLUTpoints; |
2078 | cmsPipeline* NewLUT = NULL((void*)0); |
2079 | cmsUInt32Number nTabSize; |
2080 | cmsFloat64Number Matrix[3*3]; |
2081 | cmsUInt16Number InputEntries, OutputEntries; |
2082 | |
2083 | *nItems = 0; |
2084 | |
2085 | if (!_cmsReadUInt8Number(io, &InputChannels)) return NULL((void*)0); |
2086 | if (!_cmsReadUInt8Number(io, &OutputChannels)) return NULL((void*)0); |
2087 | if (!_cmsReadUInt8Number(io, &CLUTpoints)) return NULL((void*)0); // 255 maximum |
2088 | |
2089 | // Padding |
2090 | if (!_cmsReadUInt8Number(io, NULL((void*)0))) return NULL((void*)0); |
2091 | |
2092 | // Do some checking |
2093 | if (InputChannels == 0 || InputChannels > cmsMAXCHANNELS16) goto Error; |
2094 | if (OutputChannels == 0 || OutputChannels > cmsMAXCHANNELS16) goto Error; |
2095 | |
2096 | // Allocates an empty LUT |
2097 | NewLUT = cmsPipelineAlloc(self ->ContextID, InputChannels, OutputChannels); |
2098 | if (NewLUT == NULL((void*)0)) goto Error; |
2099 | |
2100 | // Read the Matrix |
2101 | if (!_cmsRead15Fixed16Number(io, &Matrix[0])) goto Error; |
2102 | if (!_cmsRead15Fixed16Number(io, &Matrix[1])) goto Error; |
2103 | if (!_cmsRead15Fixed16Number(io, &Matrix[2])) goto Error; |
2104 | if (!_cmsRead15Fixed16Number(io, &Matrix[3])) goto Error; |
2105 | if (!_cmsRead15Fixed16Number(io, &Matrix[4])) goto Error; |
2106 | if (!_cmsRead15Fixed16Number(io, &Matrix[5])) goto Error; |
2107 | if (!_cmsRead15Fixed16Number(io, &Matrix[6])) goto Error; |
2108 | if (!_cmsRead15Fixed16Number(io, &Matrix[7])) goto Error; |
2109 | if (!_cmsRead15Fixed16Number(io, &Matrix[8])) goto Error; |
2110 | |
2111 | |
2112 | // Only operates on 3 channels |
2113 | if ((InputChannels == 3) && !_cmsMAT3isIdentity((cmsMAT3*) Matrix)) { |
2114 | |
2115 | if (!cmsPipelineInsertStage(NewLUT, cmsAT_END, cmsStageAllocMatrix(self ->ContextID, 3, 3, Matrix, NULL((void*)0)))) |
2116 | goto Error; |
2117 | } |
2118 | |
2119 | if (!_cmsReadUInt16Number(io, &InputEntries)) goto Error; |
2120 | if (!_cmsReadUInt16Number(io, &OutputEntries)) goto Error; |
2121 | |
2122 | if (InputEntries > 0x7FFF || OutputEntries > 0x7FFF) goto Error; |
2123 | if (CLUTpoints == 1) goto Error; // Impossible value, 0 for no CLUT and then 2 at least |
2124 | |
2125 | // Get input tables |
2126 | if (!Read16bitTables(self ->ContextID, io, NewLUT, InputChannels, InputEntries)) goto Error; |
2127 | |
2128 | // Get 3D CLUT |
2129 | nTabSize = uipow(OutputChannels, CLUTpoints, InputChannels); |
2130 | if (nTabSize == (cmsUInt32Number) -1) goto Error; |
2131 | if (nTabSize > 0) { |
2132 | |
2133 | cmsUInt16Number *T; |
2134 | |
2135 | T = (cmsUInt16Number*) _cmsCalloc(self ->ContextID, nTabSize, sizeof(cmsUInt16Number)); |
2136 | if (T == NULL((void*)0)) goto Error; |
2137 | |
2138 | if (!_cmsReadUInt16Array(io, nTabSize, T)) { |
2139 | _cmsFree(self ->ContextID, T); |
2140 | goto Error; |
2141 | } |
2142 | |
2143 | if (!cmsPipelineInsertStage(NewLUT, cmsAT_END, cmsStageAllocCLut16bit(self ->ContextID, CLUTpoints, InputChannels, OutputChannels, T))) { |
2144 | _cmsFree(self ->ContextID, T); |
2145 | goto Error; |
2146 | } |
2147 | _cmsFree(self ->ContextID, T); |
2148 | } |
2149 | |
2150 | |
2151 | // Get output tables |
2152 | if (!Read16bitTables(self ->ContextID, io, NewLUT, OutputChannels, OutputEntries)) goto Error; |
2153 | |
2154 | *nItems = 1; |
2155 | return NewLUT; |
2156 | |
2157 | Error: |
2158 | if (NewLUT != NULL((void*)0)) cmsPipelineFree(NewLUT); |
2159 | return NULL((void*)0); |
2160 | |
2161 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
2162 | } |
2163 | |
2164 | // We only allow some specific MPE structures: Matrix plus prelin, plus clut, plus post-lin. |
2165 | // Some empty defaults are created for missing parts |
2166 | |
2167 | static |
2168 | cmsBool Type_LUT16_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
2169 | { |
2170 | cmsUInt32Number nTabSize; |
2171 | cmsPipeline* NewLUT = (cmsPipeline*) Ptr; |
2172 | cmsStage* mpe; |
2173 | _cmsStageToneCurvesData* PreMPE = NULL((void*)0), *PostMPE = NULL((void*)0); |
2174 | _cmsStageMatrixData* MatMPE = NULL((void*)0); |
2175 | _cmsStageCLutData* clut = NULL((void*)0); |
2176 | cmsUInt32Number i, InputChannels, OutputChannels, clutPoints; |
2177 | |
2178 | // Disassemble the LUT into components. |
2179 | mpe = NewLUT -> Elements; |
2180 | if (mpe != NULL((void*)0) && mpe ->Type == cmsSigMatrixElemType) { |
2181 | |
2182 | MatMPE = (_cmsStageMatrixData*) mpe ->Data; |
2183 | if (mpe->InputChannels != 3 || mpe->OutputChannels != 3) return FALSE0; |
2184 | mpe = mpe -> Next; |
2185 | } |
2186 | |
2187 | |
2188 | if (mpe != NULL((void*)0) && mpe ->Type == cmsSigCurveSetElemType) { |
2189 | PreMPE = (_cmsStageToneCurvesData*) mpe ->Data; |
2190 | mpe = mpe -> Next; |
2191 | } |
2192 | |
2193 | if (mpe != NULL((void*)0) && mpe ->Type == cmsSigCLutElemType) { |
2194 | clut = (_cmsStageCLutData*) mpe -> Data; |
2195 | mpe = mpe ->Next; |
2196 | } |
2197 | |
2198 | if (mpe != NULL((void*)0) && mpe ->Type == cmsSigCurveSetElemType) { |
2199 | PostMPE = (_cmsStageToneCurvesData*) mpe ->Data; |
2200 | mpe = mpe -> Next; |
2201 | } |
2202 | |
2203 | // That should be all |
2204 | if (mpe != NULL((void*)0)) { |
2205 | cmsSignalError(mpe->ContextID, cmsERROR_UNKNOWN_EXTENSION8, "LUT is not suitable to be saved as LUT16"); |
2206 | return FALSE0; |
2207 | } |
2208 | |
2209 | InputChannels = cmsPipelineInputChannels(NewLUT); |
2210 | OutputChannels = cmsPipelineOutputChannels(NewLUT); |
2211 | |
2212 | if (clut == NULL((void*)0)) |
2213 | clutPoints = 0; |
2214 | else |
2215 | clutPoints = clut->Params->nSamples[0]; |
2216 | |
2217 | if (!_cmsWriteUInt8Number(io, (cmsUInt8Number) InputChannels)) return FALSE0; |
2218 | if (!_cmsWriteUInt8Number(io, (cmsUInt8Number) OutputChannels)) return FALSE0; |
2219 | if (!_cmsWriteUInt8Number(io, (cmsUInt8Number) clutPoints)) return FALSE0; |
2220 | if (!_cmsWriteUInt8Number(io, 0)) return FALSE0; // Padding |
2221 | |
2222 | if (MatMPE != NULL((void*)0)) { |
2223 | |
2224 | for (i = 0; i < 9; i++) |
2225 | { |
2226 | if (!_cmsWrite15Fixed16Number(io, MatMPE->Double[i])) return FALSE0; |
2227 | } |
2228 | |
2229 | } |
2230 | else { |
2231 | |
2232 | if (!_cmsWrite15Fixed16Number(io, 1)) return FALSE0; |
2233 | if (!_cmsWrite15Fixed16Number(io, 0)) return FALSE0; |
2234 | if (!_cmsWrite15Fixed16Number(io, 0)) return FALSE0; |
2235 | if (!_cmsWrite15Fixed16Number(io, 0)) return FALSE0; |
2236 | if (!_cmsWrite15Fixed16Number(io, 1)) return FALSE0; |
2237 | if (!_cmsWrite15Fixed16Number(io, 0)) return FALSE0; |
2238 | if (!_cmsWrite15Fixed16Number(io, 0)) return FALSE0; |
2239 | if (!_cmsWrite15Fixed16Number(io, 0)) return FALSE0; |
2240 | if (!_cmsWrite15Fixed16Number(io, 1)) return FALSE0; |
2241 | } |
2242 | |
2243 | |
2244 | if (PreMPE != NULL((void*)0)) { |
2245 | if (!_cmsWriteUInt16Number(io, (cmsUInt16Number) PreMPE ->TheCurves[0]->nEntries)) return FALSE0; |
2246 | } else { |
2247 | if (!_cmsWriteUInt16Number(io, 2)) return FALSE0; |
2248 | } |
2249 | |
2250 | if (PostMPE != NULL((void*)0)) { |
2251 | if (!_cmsWriteUInt16Number(io, (cmsUInt16Number) PostMPE ->TheCurves[0]->nEntries)) return FALSE0; |
2252 | } else { |
2253 | if (!_cmsWriteUInt16Number(io, 2)) return FALSE0; |
2254 | |
2255 | } |
2256 | |
2257 | // The prelinearization table |
2258 | |
2259 | if (PreMPE != NULL((void*)0)) { |
2260 | if (!Write16bitTables(self ->ContextID, io, PreMPE)) return FALSE0; |
2261 | } |
2262 | else { |
2263 | for (i=0; i < InputChannels; i++) { |
2264 | |
2265 | if (!_cmsWriteUInt16Number(io, 0)) return FALSE0; |
2266 | if (!_cmsWriteUInt16Number(io, 0xffff)) return FALSE0; |
2267 | } |
2268 | } |
2269 | |
2270 | nTabSize = uipow(OutputChannels, clutPoints, InputChannels); |
2271 | if (nTabSize == (cmsUInt32Number) -1) return FALSE0; |
2272 | if (nTabSize > 0) { |
2273 | // The 3D CLUT. |
2274 | if (clut != NULL((void*)0)) { |
2275 | if (!_cmsWriteUInt16Array(io, nTabSize, clut->Tab.T)) return FALSE0; |
2276 | } |
2277 | } |
2278 | |
2279 | // The postlinearization table |
2280 | if (PostMPE != NULL((void*)0)) { |
2281 | if (!Write16bitTables(self ->ContextID, io, PostMPE)) return FALSE0; |
2282 | } |
2283 | else { |
2284 | for (i=0; i < OutputChannels; i++) { |
2285 | |
2286 | if (!_cmsWriteUInt16Number(io, 0)) return FALSE0; |
2287 | if (!_cmsWriteUInt16Number(io, 0xffff)) return FALSE0; |
2288 | } |
2289 | } |
2290 | |
2291 | return TRUE1; |
2292 | |
2293 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
2294 | } |
2295 | |
2296 | static |
2297 | void* Type_LUT16_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
2298 | { |
2299 | return (void*) cmsPipelineDup((cmsPipeline*) Ptr); |
2300 | |
2301 | cmsUNUSED_PARAMETER(n)((void)n); |
2302 | cmsUNUSED_PARAMETER(self)((void)self); |
2303 | } |
2304 | |
2305 | static |
2306 | void Type_LUT16_Free(struct _cms_typehandler_struct* self, void* Ptr) |
2307 | { |
2308 | cmsPipelineFree((cmsPipeline*) Ptr); |
2309 | return; |
2310 | |
2311 | cmsUNUSED_PARAMETER(self)((void)self); |
2312 | } |
2313 | |
2314 | |
2315 | // ******************************************************************************** |
2316 | // Type cmsSigLutAToBType |
2317 | // ******************************************************************************** |
2318 | |
2319 | |
2320 | // V4 stuff. Read matrix for LutAtoB and LutBtoA |
2321 | |
2322 | static |
2323 | cmsStage* ReadMatrix(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number Offset) |
2324 | { |
2325 | cmsFloat64Number dMat[3*3]; |
2326 | cmsFloat64Number dOff[3]; |
2327 | cmsStage* Mat; |
2328 | |
2329 | // Go to address |
2330 | if (!io -> Seek(io, Offset)) return NULL((void*)0); |
2331 | |
2332 | // Read the Matrix |
2333 | if (!_cmsRead15Fixed16Number(io, &dMat[0])) return NULL((void*)0); |
2334 | if (!_cmsRead15Fixed16Number(io, &dMat[1])) return NULL((void*)0); |
2335 | if (!_cmsRead15Fixed16Number(io, &dMat[2])) return NULL((void*)0); |
2336 | if (!_cmsRead15Fixed16Number(io, &dMat[3])) return NULL((void*)0); |
2337 | if (!_cmsRead15Fixed16Number(io, &dMat[4])) return NULL((void*)0); |
2338 | if (!_cmsRead15Fixed16Number(io, &dMat[5])) return NULL((void*)0); |
2339 | if (!_cmsRead15Fixed16Number(io, &dMat[6])) return NULL((void*)0); |
2340 | if (!_cmsRead15Fixed16Number(io, &dMat[7])) return NULL((void*)0); |
2341 | if (!_cmsRead15Fixed16Number(io, &dMat[8])) return NULL((void*)0); |
2342 | |
2343 | if (!_cmsRead15Fixed16Number(io, &dOff[0])) return NULL((void*)0); |
2344 | if (!_cmsRead15Fixed16Number(io, &dOff[1])) return NULL((void*)0); |
2345 | if (!_cmsRead15Fixed16Number(io, &dOff[2])) return NULL((void*)0); |
2346 | |
2347 | Mat = cmsStageAllocMatrix(self ->ContextID, 3, 3, dMat, dOff); |
2348 | |
2349 | return Mat; |
2350 | } |
2351 | |
2352 | |
2353 | |
2354 | |
2355 | // V4 stuff. Read CLUT part for LutAtoB and LutBtoA |
2356 | |
2357 | static |
2358 | cmsStage* ReadCLUT(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, |
2359 | cmsUInt32Number Offset, cmsUInt32Number InputChannels, cmsUInt32Number OutputChannels) |
2360 | { |
2361 | cmsUInt8Number gridPoints8[cmsMAXCHANNELS16]; // Number of grid points in each dimension. |
2362 | cmsUInt32Number GridPoints[cmsMAXCHANNELS16], i; |
2363 | cmsUInt8Number Precision; |
2364 | cmsStage* CLUT; |
2365 | _cmsStageCLutData* Data; |
2366 | |
2367 | if (!io -> Seek(io, Offset)) return NULL((void*)0); |
2368 | if (io -> Read(io, gridPoints8, cmsMAXCHANNELS16, 1) != 1) return NULL((void*)0); |
2369 | |
2370 | |
2371 | for (i=0; i < cmsMAXCHANNELS16; i++) { |
2372 | |
2373 | if (gridPoints8[i] == 1) return NULL((void*)0); // Impossible value, 0 for no CLUT and then 2 at least |
2374 | GridPoints[i] = gridPoints8[i]; |
2375 | } |
2376 | |
2377 | if (!_cmsReadUInt8Number(io, &Precision)) return NULL((void*)0); |
2378 | |
2379 | if (!_cmsReadUInt8Number(io, NULL((void*)0))) return NULL((void*)0); |
2380 | if (!_cmsReadUInt8Number(io, NULL((void*)0))) return NULL((void*)0); |
2381 | if (!_cmsReadUInt8Number(io, NULL((void*)0))) return NULL((void*)0); |
2382 | |
2383 | CLUT = cmsStageAllocCLut16bitGranular(self ->ContextID, GridPoints, InputChannels, OutputChannels, NULL((void*)0)); |
2384 | if (CLUT == NULL((void*)0)) return NULL((void*)0); |
2385 | |
2386 | Data = (_cmsStageCLutData*) CLUT ->Data; |
2387 | |
2388 | // Precision can be 1 or 2 bytes |
2389 | if (Precision == 1) { |
2390 | |
2391 | cmsUInt8Number v; |
2392 | |
2393 | for (i=0; i < Data ->nEntries; i++) { |
2394 | |
2395 | if (io ->Read(io, &v, sizeof(cmsUInt8Number), 1) != 1) { |
2396 | cmsStageFree(CLUT); |
2397 | return NULL((void*)0); |
2398 | } |
2399 | Data ->Tab.T[i] = FROM_8_TO_16(v)(cmsUInt16Number) ((((cmsUInt16Number) (v)) << 8)|(v)); |
2400 | } |
2401 | |
2402 | } |
2403 | else |
2404 | if (Precision == 2) { |
2405 | |
2406 | if (!_cmsReadUInt16Array(io, Data->nEntries, Data ->Tab.T)) { |
2407 | cmsStageFree(CLUT); |
2408 | return NULL((void*)0); |
2409 | } |
2410 | } |
2411 | else { |
2412 | cmsStageFree(CLUT); |
2413 | cmsSignalError(self ->ContextID, cmsERROR_UNKNOWN_EXTENSION8, "Unknown precision of '%d'", Precision); |
2414 | return NULL((void*)0); |
2415 | } |
2416 | |
2417 | return CLUT; |
2418 | } |
2419 | |
2420 | static |
2421 | cmsToneCurve* ReadEmbeddedCurve(struct _cms_typehandler_struct* self, cmsIOHANDLER* io) |
2422 | { |
2423 | cmsTagTypeSignature BaseType; |
2424 | cmsUInt32Number nItems; |
2425 | |
2426 | BaseType = _cmsReadTypeBase(io); |
2427 | switch (BaseType) { |
2428 | |
2429 | case cmsSigCurveType: |
2430 | return (cmsToneCurve*) Type_Curve_Read(self, io, &nItems, 0); |
2431 | |
2432 | case cmsSigParametricCurveType: |
2433 | return (cmsToneCurve*) Type_ParametricCurve_Read(self, io, &nItems, 0); |
2434 | |
2435 | default: |
2436 | { |
2437 | char String[5]; |
2438 | |
2439 | _cmsTagSignature2String(String, (cmsTagSignature) BaseType); |
2440 | cmsSignalError(self ->ContextID, cmsERROR_UNKNOWN_EXTENSION8, "Unknown curve type '%s'", String); |
2441 | } |
2442 | return NULL((void*)0); |
2443 | } |
2444 | } |
2445 | |
2446 | |
2447 | // Read a set of curves from specific offset |
2448 | static |
2449 | cmsStage* ReadSetOfCurves(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number Offset, cmsUInt32Number nCurves) |
2450 | { |
2451 | cmsToneCurve* Curves[cmsMAXCHANNELS16]; |
2452 | cmsUInt32Number i; |
2453 | cmsStage* Lin = NULL((void*)0); |
2454 | |
2455 | if (nCurves > cmsMAXCHANNELS16) return FALSE0; |
2456 | |
2457 | if (!io -> Seek(io, Offset)) return FALSE0; |
2458 | |
2459 | for (i=0; i < nCurves; i++) |
2460 | Curves[i] = NULL((void*)0); |
2461 | |
2462 | for (i=0; i < nCurves; i++) { |
2463 | |
2464 | Curves[i] = ReadEmbeddedCurve(self, io); |
2465 | if (Curves[i] == NULL((void*)0)) goto Error; |
2466 | if (!_cmsReadAlignment(io)) goto Error; |
2467 | |
2468 | } |
2469 | |
2470 | Lin = cmsStageAllocToneCurves(self ->ContextID, nCurves, Curves); |
2471 | |
2472 | Error: |
2473 | for (i=0; i < nCurves; i++) |
2474 | cmsFreeToneCurve(Curves[i]); |
2475 | |
2476 | return Lin; |
2477 | } |
2478 | |
2479 | |
2480 | // LutAtoB type |
2481 | |
2482 | // This structure represents a colour transform. The type contains up to five processing |
2483 | // elements which are stored in the AtoBTag tag in the following order: a set of one |
2484 | // dimensional curves, a 3 by 3 matrix with offset terms, a set of one dimensional curves, |
2485 | // a multidimensional lookup table, and a set of one dimensional output curves. |
2486 | // Data are processed using these elements via the following sequence: |
2487 | // |
2488 | //("A" curves) -> (multidimensional lookup table - CLUT) -> ("M" curves) -> (matrix) -> ("B" curves). |
2489 | // |
2490 | /* |
2491 | It is possible to use any or all of these processing elements. At least one processing element |
2492 | must be included.Only the following combinations are allowed: |
2493 | |
2494 | B |
2495 | M - Matrix - B |
2496 | A - CLUT - B |
2497 | A - CLUT - M - Matrix - B |
2498 | |
2499 | */ |
2500 | |
2501 | static |
2502 | void* Type_LUTA2B_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
2503 | { |
2504 | cmsUInt32Number BaseOffset; |
2505 | cmsUInt8Number inputChan; // Number of input channels |
2506 | cmsUInt8Number outputChan; // Number of output channels |
2507 | cmsUInt32Number offsetB; // Offset to first "B" curve |
2508 | cmsUInt32Number offsetMat; // Offset to matrix |
2509 | cmsUInt32Number offsetM; // Offset to first "M" curve |
2510 | cmsUInt32Number offsetC; // Offset to CLUT |
2511 | cmsUInt32Number offsetA; // Offset to first "A" curve |
2512 | cmsPipeline* NewLUT = NULL((void*)0); |
2513 | |
2514 | |
2515 | BaseOffset = io ->Tell(io) - sizeof(_cmsTagBase); |
2516 | |
2517 | if (!_cmsReadUInt8Number(io, &inputChan)) return NULL((void*)0); |
2518 | if (!_cmsReadUInt8Number(io, &outputChan)) return NULL((void*)0); |
2519 | |
2520 | if (!_cmsReadUInt16Number(io, NULL((void*)0))) return NULL((void*)0); |
2521 | |
2522 | if (!_cmsReadUInt32Number(io, &offsetB)) return NULL((void*)0); |
2523 | if (!_cmsReadUInt32Number(io, &offsetMat)) return NULL((void*)0); |
2524 | if (!_cmsReadUInt32Number(io, &offsetM)) return NULL((void*)0); |
2525 | if (!_cmsReadUInt32Number(io, &offsetC)) return NULL((void*)0); |
2526 | if (!_cmsReadUInt32Number(io, &offsetA)) return NULL((void*)0); |
2527 | |
2528 | if (inputChan == 0 || inputChan >= cmsMAXCHANNELS16) return NULL((void*)0); |
2529 | if (outputChan == 0 || outputChan >= cmsMAXCHANNELS16) return NULL((void*)0); |
2530 | |
2531 | // Allocates an empty LUT |
2532 | NewLUT = cmsPipelineAlloc(self ->ContextID, inputChan, outputChan); |
2533 | if (NewLUT == NULL((void*)0)) return NULL((void*)0); |
2534 | |
2535 | if (offsetA!= 0) { |
2536 | if (!cmsPipelineInsertStage(NewLUT, cmsAT_END, ReadSetOfCurves(self, io, BaseOffset + offsetA, inputChan))) |
2537 | goto Error; |
2538 | } |
2539 | |
2540 | if (offsetC != 0) { |
2541 | if (!cmsPipelineInsertStage(NewLUT, cmsAT_END, ReadCLUT(self, io, BaseOffset + offsetC, inputChan, outputChan))) |
2542 | goto Error; |
2543 | } |
2544 | |
2545 | if (offsetM != 0) { |
2546 | if (!cmsPipelineInsertStage(NewLUT, cmsAT_END, ReadSetOfCurves(self, io, BaseOffset + offsetM, outputChan))) |
2547 | goto Error; |
2548 | } |
2549 | |
2550 | if (offsetMat != 0) { |
2551 | if (!cmsPipelineInsertStage(NewLUT, cmsAT_END, ReadMatrix(self, io, BaseOffset + offsetMat))) |
2552 | goto Error; |
2553 | } |
2554 | |
2555 | if (offsetB != 0) { |
2556 | if (!cmsPipelineInsertStage(NewLUT, cmsAT_END, ReadSetOfCurves(self, io, BaseOffset + offsetB, outputChan))) |
2557 | goto Error; |
2558 | } |
2559 | |
2560 | *nItems = 1; |
2561 | return NewLUT; |
2562 | Error: |
2563 | cmsPipelineFree(NewLUT); |
2564 | return NULL((void*)0); |
2565 | |
2566 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
2567 | } |
2568 | |
2569 | // Write a set of curves |
2570 | static |
2571 | cmsBool WriteMatrix(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsStage* mpe) |
2572 | { |
2573 | cmsUInt32Number i, n; |
2574 | |
2575 | _cmsStageMatrixData* m = (_cmsStageMatrixData*) mpe -> Data; |
2576 | |
2577 | n = mpe->InputChannels * mpe->OutputChannels; |
2578 | |
2579 | // Write the Matrix |
2580 | for (i = 0; i < n; i++) |
2581 | { |
2582 | if (!_cmsWrite15Fixed16Number(io, m->Double[i])) return FALSE0; |
2583 | } |
2584 | |
2585 | if (m->Offset != NULL((void*)0)) { |
2586 | |
2587 | for (i = 0; i < mpe->OutputChannels; i++) |
2588 | { |
2589 | if (!_cmsWrite15Fixed16Number(io, m->Offset[i])) return FALSE0; |
2590 | } |
2591 | } |
2592 | else { |
2593 | for (i = 0; i < mpe->OutputChannels; i++) |
2594 | { |
2595 | if (!_cmsWrite15Fixed16Number(io, 0)) return FALSE0; |
2596 | } |
2597 | } |
2598 | |
2599 | |
2600 | return TRUE1; |
2601 | |
2602 | cmsUNUSED_PARAMETER(self)((void)self); |
2603 | } |
2604 | |
2605 | |
2606 | // Write a set of curves |
2607 | static |
2608 | cmsBool WriteSetOfCurves(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsTagTypeSignature Type, cmsStage* mpe) |
2609 | { |
2610 | cmsUInt32Number i, n; |
2611 | cmsTagTypeSignature CurrentType; |
2612 | cmsToneCurve** Curves; |
2613 | |
2614 | |
2615 | n = cmsStageOutputChannels(mpe); |
2616 | Curves = _cmsStageGetPtrToCurveSet(mpe); |
2617 | |
2618 | for (i=0; i < n; i++) { |
2619 | |
2620 | // If this is a table-based curve, use curve type even on V4 |
2621 | CurrentType = Type; |
2622 | |
2623 | if ((Curves[i] ->nSegments == 0)|| |
2624 | ((Curves[i]->nSegments == 2) && (Curves[i] ->Segments[1].Type == 0)) ) |
2625 | CurrentType = cmsSigCurveType; |
2626 | else |
2627 | if (Curves[i] ->Segments[0].Type < 0) |
2628 | CurrentType = cmsSigCurveType; |
2629 | |
2630 | if (!_cmsWriteTypeBase(io, CurrentType)) return FALSE0; |
2631 | |
2632 | switch (CurrentType) { |
2633 | |
2634 | case cmsSigCurveType: |
2635 | if (!Type_Curve_Write(self, io, Curves[i], 1)) return FALSE0; |
2636 | break; |
2637 | |
2638 | case cmsSigParametricCurveType: |
2639 | if (!Type_ParametricCurve_Write(self, io, Curves[i], 1)) return FALSE0; |
2640 | break; |
2641 | |
2642 | default: |
2643 | { |
2644 | char String[5]; |
2645 | |
2646 | _cmsTagSignature2String(String, (cmsTagSignature) Type); |
2647 | cmsSignalError(self ->ContextID, cmsERROR_UNKNOWN_EXTENSION8, "Unknown curve type '%s'", String); |
2648 | } |
2649 | return FALSE0; |
2650 | } |
2651 | |
2652 | if (!_cmsWriteAlignment(io)) return FALSE0; |
2653 | } |
2654 | |
2655 | |
2656 | return TRUE1; |
2657 | } |
2658 | |
2659 | |
2660 | static |
2661 | cmsBool WriteCLUT(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt8Number Precision, cmsStage* mpe) |
2662 | { |
2663 | cmsUInt8Number gridPoints[cmsMAXCHANNELS16]; // Number of grid points in each dimension. |
2664 | cmsUInt32Number i; |
2665 | _cmsStageCLutData* CLUT = ( _cmsStageCLutData*) mpe -> Data; |
2666 | |
2667 | if (CLUT ->HasFloatValues) { |
2668 | cmsSignalError(self ->ContextID, cmsERROR_NOT_SUITABLE13, "Cannot save floating point data, CLUT are 8 or 16 bit only"); |
2669 | return FALSE0; |
2670 | } |
2671 | |
2672 | memset(gridPoints, 0, sizeof(gridPoints)); |
2673 | for (i=0; i < (cmsUInt32Number) CLUT ->Params ->nInputs; i++) |
2674 | gridPoints[i] = (cmsUInt8Number) CLUT ->Params ->nSamples[i]; |
2675 | |
2676 | if (!io -> Write(io, cmsMAXCHANNELS16*sizeof(cmsUInt8Number), gridPoints)) return FALSE0; |
2677 | |
2678 | if (!_cmsWriteUInt8Number(io, (cmsUInt8Number) Precision)) return FALSE0; |
2679 | if (!_cmsWriteUInt8Number(io, 0)) return FALSE0; |
2680 | if (!_cmsWriteUInt8Number(io, 0)) return FALSE0; |
2681 | if (!_cmsWriteUInt8Number(io, 0)) return FALSE0; |
2682 | |
2683 | // Precision can be 1 or 2 bytes |
2684 | if (Precision == 1) { |
2685 | |
2686 | for (i=0; i < CLUT->nEntries; i++) { |
2687 | |
2688 | if (!_cmsWriteUInt8Number(io, FROM_16_TO_8(CLUT->Tab.T[i])(cmsUInt8Number) ((((cmsUInt32Number)(CLUT->Tab.T[i]) * 65281U + 8388608U) >> 24) & 0xFFU))) return FALSE0; |
2689 | } |
2690 | } |
2691 | else |
2692 | if (Precision == 2) { |
2693 | |
2694 | if (!_cmsWriteUInt16Array(io, CLUT->nEntries, CLUT ->Tab.T)) return FALSE0; |
2695 | } |
2696 | else { |
2697 | cmsSignalError(self ->ContextID, cmsERROR_UNKNOWN_EXTENSION8, "Unknown precision of '%d'", Precision); |
2698 | return FALSE0; |
2699 | } |
2700 | |
2701 | if (!_cmsWriteAlignment(io)) return FALSE0; |
2702 | |
2703 | return TRUE1; |
2704 | } |
2705 | |
2706 | |
2707 | |
2708 | |
2709 | static |
2710 | cmsBool Type_LUTA2B_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
2711 | { |
2712 | cmsPipeline* Lut = (cmsPipeline*) Ptr; |
2713 | cmsUInt32Number inputChan, outputChan; |
2714 | cmsStage *A = NULL((void*)0), *B = NULL((void*)0), *M = NULL((void*)0); |
2715 | cmsStage * Matrix = NULL((void*)0); |
2716 | cmsStage * CLUT = NULL((void*)0); |
2717 | cmsUInt32Number offsetB = 0, offsetMat = 0, offsetM = 0, offsetC = 0, offsetA = 0; |
2718 | cmsUInt32Number BaseOffset, DirectoryPos, CurrentPos; |
2719 | |
2720 | // Get the base for all offsets |
2721 | BaseOffset = io ->Tell(io) - sizeof(_cmsTagBase); |
2722 | |
2723 | if (Lut ->Elements != NULL((void*)0)) |
2724 | if (!cmsPipelineCheckAndRetreiveStages(Lut, 1, cmsSigCurveSetElemType, &B)) |
2725 | if (!cmsPipelineCheckAndRetreiveStages(Lut, 3, cmsSigCurveSetElemType, cmsSigMatrixElemType, cmsSigCurveSetElemType, &M, &Matrix, &B)) |
2726 | if (!cmsPipelineCheckAndRetreiveStages(Lut, 3, cmsSigCurveSetElemType, cmsSigCLutElemType, cmsSigCurveSetElemType, &A, &CLUT, &B)) |
2727 | if (!cmsPipelineCheckAndRetreiveStages(Lut, 5, cmsSigCurveSetElemType, cmsSigCLutElemType, cmsSigCurveSetElemType, |
2728 | cmsSigMatrixElemType, cmsSigCurveSetElemType, &A, &CLUT, &M, &Matrix, &B)) { |
2729 | |
2730 | cmsSignalError(self->ContextID, cmsERROR_NOT_SUITABLE13, "LUT is not suitable to be saved as LutAToB"); |
2731 | return FALSE0; |
2732 | } |
2733 | |
2734 | // Get input, output channels |
2735 | inputChan = cmsPipelineInputChannels(Lut); |
2736 | outputChan = cmsPipelineOutputChannels(Lut); |
2737 | |
2738 | // Write channel count |
2739 | if (!_cmsWriteUInt8Number(io, (cmsUInt8Number) inputChan)) return FALSE0; |
2740 | if (!_cmsWriteUInt8Number(io, (cmsUInt8Number) outputChan)) return FALSE0; |
2741 | if (!_cmsWriteUInt16Number(io, 0)) return FALSE0; |
2742 | |
2743 | // Keep directory to be filled latter |
2744 | DirectoryPos = io ->Tell(io); |
2745 | |
2746 | // Write the directory |
2747 | if (!_cmsWriteUInt32Number(io, 0)) return FALSE0; |
2748 | if (!_cmsWriteUInt32Number(io, 0)) return FALSE0; |
2749 | if (!_cmsWriteUInt32Number(io, 0)) return FALSE0; |
2750 | if (!_cmsWriteUInt32Number(io, 0)) return FALSE0; |
2751 | if (!_cmsWriteUInt32Number(io, 0)) return FALSE0; |
2752 | |
2753 | if (A != NULL((void*)0)) { |
2754 | |
2755 | offsetA = io ->Tell(io) - BaseOffset; |
2756 | if (!WriteSetOfCurves(self, io, cmsSigParametricCurveType, A)) return FALSE0; |
2757 | } |
2758 | |
2759 | if (CLUT != NULL((void*)0)) { |
2760 | offsetC = io ->Tell(io) - BaseOffset; |
2761 | if (!WriteCLUT(self, io, (Lut ->SaveAs8Bits ? 1U : 2U), CLUT)) return FALSE0; |
2762 | |
2763 | } |
2764 | if (M != NULL((void*)0)) { |
2765 | |
2766 | offsetM = io ->Tell(io) - BaseOffset; |
2767 | if (!WriteSetOfCurves(self, io, cmsSigParametricCurveType, M)) return FALSE0; |
2768 | } |
2769 | |
2770 | if (Matrix != NULL((void*)0)) { |
2771 | offsetMat = io ->Tell(io) - BaseOffset; |
2772 | if (!WriteMatrix(self, io, Matrix)) return FALSE0; |
2773 | } |
2774 | |
2775 | if (B != NULL((void*)0)) { |
2776 | |
2777 | offsetB = io ->Tell(io) - BaseOffset; |
2778 | if (!WriteSetOfCurves(self, io, cmsSigParametricCurveType, B)) return FALSE0; |
2779 | } |
2780 | |
2781 | CurrentPos = io ->Tell(io); |
2782 | |
2783 | if (!io ->Seek(io, DirectoryPos)) return FALSE0; |
2784 | |
2785 | if (!_cmsWriteUInt32Number(io, offsetB)) return FALSE0; |
2786 | if (!_cmsWriteUInt32Number(io, offsetMat)) return FALSE0; |
2787 | if (!_cmsWriteUInt32Number(io, offsetM)) return FALSE0; |
2788 | if (!_cmsWriteUInt32Number(io, offsetC)) return FALSE0; |
2789 | if (!_cmsWriteUInt32Number(io, offsetA)) return FALSE0; |
2790 | |
2791 | if (!io ->Seek(io, CurrentPos)) return FALSE0; |
2792 | |
2793 | return TRUE1; |
2794 | |
2795 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
2796 | } |
2797 | |
2798 | |
2799 | static |
2800 | void* Type_LUTA2B_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
2801 | { |
2802 | return (void*) cmsPipelineDup((cmsPipeline*) Ptr); |
2803 | |
2804 | cmsUNUSED_PARAMETER(n)((void)n); |
2805 | cmsUNUSED_PARAMETER(self)((void)self); |
2806 | } |
2807 | |
2808 | static |
2809 | void Type_LUTA2B_Free(struct _cms_typehandler_struct* self, void* Ptr) |
2810 | { |
2811 | cmsPipelineFree((cmsPipeline*) Ptr); |
2812 | return; |
2813 | |
2814 | cmsUNUSED_PARAMETER(self)((void)self); |
2815 | } |
2816 | |
2817 | |
2818 | // LutBToA type |
2819 | |
2820 | static |
2821 | void* Type_LUTB2A_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
2822 | { |
2823 | cmsUInt8Number inputChan; // Number of input channels |
2824 | cmsUInt8Number outputChan; // Number of output channels |
2825 | cmsUInt32Number BaseOffset; // Actual position in file |
2826 | cmsUInt32Number offsetB; // Offset to first "B" curve |
2827 | cmsUInt32Number offsetMat; // Offset to matrix |
2828 | cmsUInt32Number offsetM; // Offset to first "M" curve |
2829 | cmsUInt32Number offsetC; // Offset to CLUT |
2830 | cmsUInt32Number offsetA; // Offset to first "A" curve |
2831 | cmsPipeline* NewLUT = NULL((void*)0); |
2832 | |
2833 | |
2834 | BaseOffset = io ->Tell(io) - sizeof(_cmsTagBase); |
2835 | |
2836 | if (!_cmsReadUInt8Number(io, &inputChan)) return NULL((void*)0); |
2837 | if (!_cmsReadUInt8Number(io, &outputChan)) return NULL((void*)0); |
2838 | |
2839 | if (inputChan == 0 || inputChan >= cmsMAXCHANNELS16) return NULL((void*)0); |
2840 | if (outputChan == 0 || outputChan >= cmsMAXCHANNELS16) return NULL((void*)0); |
2841 | |
2842 | // Padding |
2843 | if (!_cmsReadUInt16Number(io, NULL((void*)0))) return NULL((void*)0); |
2844 | |
2845 | if (!_cmsReadUInt32Number(io, &offsetB)) return NULL((void*)0); |
2846 | if (!_cmsReadUInt32Number(io, &offsetMat)) return NULL((void*)0); |
2847 | if (!_cmsReadUInt32Number(io, &offsetM)) return NULL((void*)0); |
2848 | if (!_cmsReadUInt32Number(io, &offsetC)) return NULL((void*)0); |
2849 | if (!_cmsReadUInt32Number(io, &offsetA)) return NULL((void*)0); |
2850 | |
2851 | // Allocates an empty LUT |
2852 | NewLUT = cmsPipelineAlloc(self ->ContextID, inputChan, outputChan); |
2853 | if (NewLUT == NULL((void*)0)) return NULL((void*)0); |
2854 | |
2855 | if (offsetB != 0) { |
2856 | if (!cmsPipelineInsertStage(NewLUT, cmsAT_END, ReadSetOfCurves(self, io, BaseOffset + offsetB, inputChan))) |
2857 | goto Error; |
2858 | } |
2859 | |
2860 | if (offsetMat != 0) { |
2861 | if (!cmsPipelineInsertStage(NewLUT, cmsAT_END, ReadMatrix(self, io, BaseOffset + offsetMat))) |
2862 | goto Error; |
2863 | } |
2864 | |
2865 | if (offsetM != 0) { |
2866 | if (!cmsPipelineInsertStage(NewLUT, cmsAT_END, ReadSetOfCurves(self, io, BaseOffset + offsetM, inputChan))) |
2867 | goto Error; |
2868 | } |
2869 | |
2870 | if (offsetC != 0) { |
2871 | if (!cmsPipelineInsertStage(NewLUT, cmsAT_END, ReadCLUT(self, io, BaseOffset + offsetC, inputChan, outputChan))) |
2872 | goto Error; |
2873 | } |
2874 | |
2875 | if (offsetA!= 0) { |
2876 | if (!cmsPipelineInsertStage(NewLUT, cmsAT_END, ReadSetOfCurves(self, io, BaseOffset + offsetA, outputChan))) |
2877 | goto Error; |
2878 | } |
2879 | |
2880 | *nItems = 1; |
2881 | return NewLUT; |
2882 | Error: |
2883 | cmsPipelineFree(NewLUT); |
2884 | return NULL((void*)0); |
2885 | |
2886 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
2887 | } |
2888 | |
2889 | |
2890 | /* |
2891 | B |
2892 | B - Matrix - M |
2893 | B - CLUT - A |
2894 | B - Matrix - M - CLUT - A |
2895 | */ |
2896 | |
2897 | static |
2898 | cmsBool Type_LUTB2A_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
2899 | { |
2900 | cmsPipeline* Lut = (cmsPipeline*) Ptr; |
2901 | cmsUInt32Number inputChan, outputChan; |
2902 | cmsStage *A = NULL((void*)0), *B = NULL((void*)0), *M = NULL((void*)0); |
2903 | cmsStage *Matrix = NULL((void*)0); |
2904 | cmsStage *CLUT = NULL((void*)0); |
2905 | cmsUInt32Number offsetB = 0, offsetMat = 0, offsetM = 0, offsetC = 0, offsetA = 0; |
2906 | cmsUInt32Number BaseOffset, DirectoryPos, CurrentPos; |
2907 | |
2908 | |
2909 | BaseOffset = io ->Tell(io) - sizeof(_cmsTagBase); |
2910 | |
2911 | if (!cmsPipelineCheckAndRetreiveStages(Lut, 1, cmsSigCurveSetElemType, &B)) |
2912 | if (!cmsPipelineCheckAndRetreiveStages(Lut, 3, cmsSigCurveSetElemType, cmsSigMatrixElemType, cmsSigCurveSetElemType, &B, &Matrix, &M)) |
2913 | if (!cmsPipelineCheckAndRetreiveStages(Lut, 3, cmsSigCurveSetElemType, cmsSigCLutElemType, cmsSigCurveSetElemType, &B, &CLUT, &A)) |
2914 | if (!cmsPipelineCheckAndRetreiveStages(Lut, 5, cmsSigCurveSetElemType, cmsSigMatrixElemType, cmsSigCurveSetElemType, |
2915 | cmsSigCLutElemType, cmsSigCurveSetElemType, &B, &Matrix, &M, &CLUT, &A)) { |
2916 | cmsSignalError(self->ContextID, cmsERROR_NOT_SUITABLE13, "LUT is not suitable to be saved as LutBToA"); |
2917 | return FALSE0; |
2918 | } |
2919 | |
2920 | inputChan = cmsPipelineInputChannels(Lut); |
2921 | outputChan = cmsPipelineOutputChannels(Lut); |
2922 | |
2923 | if (!_cmsWriteUInt8Number(io, (cmsUInt8Number) inputChan)) return FALSE0; |
2924 | if (!_cmsWriteUInt8Number(io, (cmsUInt8Number) outputChan)) return FALSE0; |
2925 | if (!_cmsWriteUInt16Number(io, 0)) return FALSE0; |
2926 | |
2927 | DirectoryPos = io ->Tell(io); |
2928 | |
2929 | if (!_cmsWriteUInt32Number(io, 0)) return FALSE0; |
2930 | if (!_cmsWriteUInt32Number(io, 0)) return FALSE0; |
2931 | if (!_cmsWriteUInt32Number(io, 0)) return FALSE0; |
2932 | if (!_cmsWriteUInt32Number(io, 0)) return FALSE0; |
2933 | if (!_cmsWriteUInt32Number(io, 0)) return FALSE0; |
2934 | |
2935 | if (A != NULL((void*)0)) { |
2936 | |
2937 | offsetA = io ->Tell(io) - BaseOffset; |
2938 | if (!WriteSetOfCurves(self, io, cmsSigParametricCurveType, A)) return FALSE0; |
2939 | } |
2940 | |
2941 | if (CLUT != NULL((void*)0)) { |
2942 | offsetC = io ->Tell(io) - BaseOffset; |
2943 | if (!WriteCLUT(self, io, (Lut ->SaveAs8Bits ? 1U : 2U), CLUT)) return FALSE0; |
2944 | |
2945 | } |
2946 | if (M != NULL((void*)0)) { |
2947 | |
2948 | offsetM = io ->Tell(io) - BaseOffset; |
2949 | if (!WriteSetOfCurves(self, io, cmsSigParametricCurveType, M)) return FALSE0; |
2950 | } |
2951 | |
2952 | if (Matrix != NULL((void*)0)) { |
2953 | offsetMat = io ->Tell(io) - BaseOffset; |
2954 | if (!WriteMatrix(self, io, Matrix)) return FALSE0; |
2955 | } |
2956 | |
2957 | if (B != NULL((void*)0)) { |
2958 | |
2959 | offsetB = io ->Tell(io) - BaseOffset; |
2960 | if (!WriteSetOfCurves(self, io, cmsSigParametricCurveType, B)) return FALSE0; |
2961 | } |
2962 | |
2963 | CurrentPos = io ->Tell(io); |
2964 | |
2965 | if (!io ->Seek(io, DirectoryPos)) return FALSE0; |
2966 | |
2967 | if (!_cmsWriteUInt32Number(io, offsetB)) return FALSE0; |
2968 | if (!_cmsWriteUInt32Number(io, offsetMat)) return FALSE0; |
2969 | if (!_cmsWriteUInt32Number(io, offsetM)) return FALSE0; |
2970 | if (!_cmsWriteUInt32Number(io, offsetC)) return FALSE0; |
2971 | if (!_cmsWriteUInt32Number(io, offsetA)) return FALSE0; |
2972 | |
2973 | if (!io ->Seek(io, CurrentPos)) return FALSE0; |
2974 | |
2975 | return TRUE1; |
2976 | |
2977 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
2978 | } |
2979 | |
2980 | |
2981 | |
2982 | static |
2983 | void* Type_LUTB2A_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
2984 | { |
2985 | return (void*) cmsPipelineDup((cmsPipeline*) Ptr); |
2986 | |
2987 | cmsUNUSED_PARAMETER(n)((void)n); |
2988 | cmsUNUSED_PARAMETER(self)((void)self); |
2989 | } |
2990 | |
2991 | static |
2992 | void Type_LUTB2A_Free(struct _cms_typehandler_struct* self, void* Ptr) |
2993 | { |
2994 | cmsPipelineFree((cmsPipeline*) Ptr); |
2995 | return; |
2996 | |
2997 | cmsUNUSED_PARAMETER(self)((void)self); |
2998 | } |
2999 | |
3000 | |
3001 | |
3002 | // ******************************************************************************** |
3003 | // Type cmsSigColorantTableType |
3004 | // ******************************************************************************** |
3005 | /* |
3006 | The purpose of this tag is to identify the colorants used in the profile by a |
3007 | unique name and set of XYZ or L*a*b* values to give the colorant an unambiguous |
3008 | value. The first colorant listed is the colorant of the first device channel of |
3009 | a lut tag. The second colorant listed is the colorant of the second device channel |
3010 | of a lut tag, and so on. |
3011 | */ |
3012 | |
3013 | static |
3014 | void *Type_ColorantTable_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
3015 | { |
3016 | cmsUInt32Number i, Count; |
3017 | cmsNAMEDCOLORLIST* List; |
3018 | char Name[34]; |
3019 | cmsUInt16Number PCS[3]; |
3020 | |
3021 | |
3022 | if (!_cmsReadUInt32Number(io, &Count)) return NULL((void*)0); |
3023 | |
3024 | if (Count > cmsMAXCHANNELS16) { |
3025 | cmsSignalError(self->ContextID, cmsERROR_RANGE2, "Too many colorants '%d'", Count); |
3026 | return NULL((void*)0); |
3027 | } |
3028 | |
3029 | List = cmsAllocNamedColorList(self ->ContextID, Count, 0, "", ""); |
3030 | if (List == NULL((void*)0)) |
3031 | return NULL((void*)0); |
3032 | |
3033 | for (i=0; i < Count; i++) { |
3034 | |
3035 | if (io ->Read(io, Name, 32, 1) != 1) goto Error; |
3036 | Name[32] = 0; |
3037 | |
3038 | if (!_cmsReadUInt16Array(io, 3, PCS)) goto Error; |
3039 | |
3040 | if (!cmsAppendNamedColor(List, Name, PCS, NULL((void*)0))) goto Error; |
3041 | |
3042 | } |
3043 | |
3044 | *nItems = 1; |
3045 | return List; |
3046 | |
3047 | Error: |
3048 | *nItems = 0; |
3049 | cmsFreeNamedColorList(List); |
3050 | return NULL((void*)0); |
3051 | |
3052 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
3053 | } |
3054 | |
3055 | |
3056 | |
3057 | // Saves a colorant table. It is using the named color structure for simplicity sake |
3058 | static |
3059 | cmsBool Type_ColorantTable_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
3060 | { |
3061 | cmsNAMEDCOLORLIST* NamedColorList = (cmsNAMEDCOLORLIST*) Ptr; |
3062 | cmsUInt32Number i, nColors; |
3063 | |
3064 | nColors = cmsNamedColorCount(NamedColorList); |
3065 | |
3066 | if (!_cmsWriteUInt32Number(io, nColors)) return FALSE0; |
3067 | |
3068 | for (i=0; i < nColors; i++) { |
3069 | |
3070 | char root[cmsMAX_PATH256]; |
3071 | cmsUInt16Number PCS[3]; |
3072 | |
3073 | memset(root, 0, sizeof(root)); |
3074 | |
3075 | if (!cmsNamedColorInfo(NamedColorList, i, root, NULL((void*)0), NULL((void*)0), PCS, NULL((void*)0))) return 0; |
3076 | root[32] = 0; |
3077 | |
3078 | if (!io ->Write(io, 32, root)) return FALSE0; |
3079 | if (!_cmsWriteUInt16Array(io, 3, PCS)) return FALSE0; |
3080 | } |
3081 | |
3082 | return TRUE1; |
3083 | |
3084 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
3085 | cmsUNUSED_PARAMETER(self)((void)self); |
3086 | } |
3087 | |
3088 | |
3089 | static |
3090 | void* Type_ColorantTable_Dup(struct _cms_typehandler_struct* self, const void* Ptr, cmsUInt32Number n) |
3091 | { |
3092 | cmsNAMEDCOLORLIST* nc = (cmsNAMEDCOLORLIST*) Ptr; |
3093 | return (void*) cmsDupNamedColorList(nc); |
3094 | |
3095 | cmsUNUSED_PARAMETER(n)((void)n); |
3096 | cmsUNUSED_PARAMETER(self)((void)self); |
3097 | } |
3098 | |
3099 | |
3100 | static |
3101 | void Type_ColorantTable_Free(struct _cms_typehandler_struct* self, void* Ptr) |
3102 | { |
3103 | cmsFreeNamedColorList((cmsNAMEDCOLORLIST*) Ptr); |
3104 | return; |
3105 | |
3106 | cmsUNUSED_PARAMETER(self)((void)self); |
3107 | } |
3108 | |
3109 | |
3110 | // ******************************************************************************** |
3111 | // Type cmsSigNamedColor2Type |
3112 | // ******************************************************************************** |
3113 | // |
3114 | //The namedColor2Type is a count value and array of structures that provide color |
3115 | //coordinates for 7-bit ASCII color names. For each named color, a PCS and optional |
3116 | //device representation of the color are given. Both representations are 16-bit values. |
3117 | //The device representation corresponds to the header's 'color space of data' field. |
3118 | //This representation should be consistent with the 'number of device components' |
3119 | //field in the namedColor2Type. If this field is 0, device coordinates are not provided. |
3120 | //The PCS representation corresponds to the header's PCS field. The PCS representation |
3121 | //is always provided. Color names are fixed-length, 32-byte fields including null |
3122 | //termination. In order to maintain maximum portability, it is strongly recommended |
3123 | //that special characters of the 7-bit ASCII set not be used. |
3124 | |
3125 | static |
3126 | void *Type_NamedColor_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
3127 | { |
3128 | |
3129 | cmsUInt32Number vendorFlag; // Bottom 16 bits for ICC use |
3130 | cmsUInt32Number count; // Count of named colors |
3131 | cmsUInt32Number nDeviceCoords; // Num of device coordinates |
3132 | char prefix[32]; // Prefix for each color name |
3133 | char suffix[32]; // Suffix for each color name |
3134 | cmsNAMEDCOLORLIST* v; |
3135 | cmsUInt32Number i; |
3136 | |
3137 | |
3138 | *nItems = 0; |
3139 | if (!_cmsReadUInt32Number(io, &vendorFlag)) return NULL((void*)0); |
3140 | if (!_cmsReadUInt32Number(io, &count)) return NULL((void*)0); |
3141 | if (!_cmsReadUInt32Number(io, &nDeviceCoords)) return NULL((void*)0); |
3142 | |
3143 | if (io -> Read(io, prefix, 32, 1) != 1) return NULL((void*)0); |
3144 | if (io -> Read(io, suffix, 32, 1) != 1) return NULL((void*)0); |
3145 | |
3146 | prefix[31] = suffix[31] = 0; |
3147 | |
3148 | v = cmsAllocNamedColorList(self ->ContextID, count, nDeviceCoords, prefix, suffix); |
3149 | if (v == NULL((void*)0)) { |
3150 | cmsSignalError(self->ContextID, cmsERROR_RANGE2, "Too many named colors '%d'", count); |
3151 | return NULL((void*)0); |
3152 | } |
3153 | |
3154 | if (nDeviceCoords > cmsMAXCHANNELS16) { |
3155 | cmsSignalError(self->ContextID, cmsERROR_RANGE2, "Too many device coordinates '%d'", nDeviceCoords); |
3156 | goto Error; |
3157 | } |
3158 | for (i=0; i < count; i++) { |
3159 | |
3160 | cmsUInt16Number PCS[3]; |
3161 | cmsUInt16Number Colorant[cmsMAXCHANNELS16]; |
3162 | char Root[33]; |
3163 | |
3164 | memset(Colorant, 0, sizeof(Colorant)); |
3165 | if (io -> Read(io, Root, 32, 1) != 1) goto Error; |
3166 | Root[32] = 0; // To prevent exploits |
3167 | |
3168 | if (!_cmsReadUInt16Array(io, 3, PCS)) goto Error; |
3169 | if (!_cmsReadUInt16Array(io, nDeviceCoords, Colorant)) goto Error; |
3170 | |
3171 | if (!cmsAppendNamedColor(v, Root, PCS, Colorant)) goto Error; |
3172 | } |
3173 | |
3174 | *nItems = 1; |
3175 | return (void*) v ; |
3176 | |
3177 | Error: |
3178 | cmsFreeNamedColorList(v); |
3179 | return NULL((void*)0); |
3180 | |
3181 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
3182 | } |
3183 | |
3184 | |
3185 | // Saves a named color list into a named color profile |
3186 | static |
3187 | cmsBool Type_NamedColor_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
3188 | { |
3189 | cmsNAMEDCOLORLIST* NamedColorList = (cmsNAMEDCOLORLIST*) Ptr; |
3190 | char prefix[33]; // Prefix for each color name |
3191 | char suffix[33]; // Suffix for each color name |
3192 | cmsUInt32Number i, nColors; |
3193 | |
3194 | nColors = cmsNamedColorCount(NamedColorList); |
3195 | |
3196 | if (!_cmsWriteUInt32Number(io, 0)) return FALSE0; |
3197 | if (!_cmsWriteUInt32Number(io, nColors)) return FALSE0; |
3198 | if (!_cmsWriteUInt32Number(io, NamedColorList ->ColorantCount)) return FALSE0; |
3199 | |
3200 | strncpy(prefix, (const char*) NamedColorList->Prefix, 32); |
3201 | strncpy(suffix, (const char*) NamedColorList->Suffix, 32); |
3202 | |
3203 | suffix[32] = prefix[32] = 0; |
3204 | |
3205 | if (!io ->Write(io, 32, prefix)) return FALSE0; |
3206 | if (!io ->Write(io, 32, suffix)) return FALSE0; |
3207 | |
3208 | for (i=0; i < nColors; i++) { |
3209 | |
3210 | cmsUInt16Number PCS[3]; |
3211 | cmsUInt16Number Colorant[cmsMAXCHANNELS16]; |
3212 | char Root[cmsMAX_PATH256]; |
3213 | |
3214 | if (!cmsNamedColorInfo(NamedColorList, i, Root, NULL((void*)0), NULL((void*)0), PCS, Colorant)) return 0; |
3215 | Root[32] = 0; |
3216 | if (!io ->Write(io, 32 , Root)) return FALSE0; |
3217 | if (!_cmsWriteUInt16Array(io, 3, PCS)) return FALSE0; |
3218 | if (!_cmsWriteUInt16Array(io, NamedColorList ->ColorantCount, Colorant)) return FALSE0; |
3219 | } |
3220 | |
3221 | return TRUE1; |
3222 | |
3223 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
3224 | cmsUNUSED_PARAMETER(self)((void)self); |
3225 | } |
3226 | |
3227 | static |
3228 | void* Type_NamedColor_Dup(struct _cms_typehandler_struct* self, const void* Ptr, cmsUInt32Number n) |
3229 | { |
3230 | cmsNAMEDCOLORLIST* nc = (cmsNAMEDCOLORLIST*) Ptr; |
3231 | |
3232 | return (void*) cmsDupNamedColorList(nc); |
3233 | |
3234 | cmsUNUSED_PARAMETER(n)((void)n); |
3235 | cmsUNUSED_PARAMETER(self)((void)self); |
3236 | } |
3237 | |
3238 | |
3239 | static |
3240 | void Type_NamedColor_Free(struct _cms_typehandler_struct* self, void* Ptr) |
3241 | { |
3242 | cmsFreeNamedColorList((cmsNAMEDCOLORLIST*) Ptr); |
3243 | return; |
3244 | |
3245 | cmsUNUSED_PARAMETER(self)((void)self); |
3246 | } |
3247 | |
3248 | |
3249 | // ******************************************************************************** |
3250 | // Type cmsSigProfileSequenceDescType |
3251 | // ******************************************************************************** |
3252 | |
3253 | // This type is an array of structures, each of which contains information from the |
3254 | // header fields and tags from the original profiles which were combined to create |
3255 | // the final profile. The order of the structures is the order in which the profiles |
3256 | // were combined and includes a structure for the final profile. This provides a |
3257 | // description of the profile sequence from source to destination, |
3258 | // typically used with the DeviceLink profile. |
3259 | |
3260 | static |
3261 | cmsBool ReadEmbeddedText(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsMLU** mlu, cmsUInt32Number SizeOfTag) |
3262 | { |
3263 | cmsTagTypeSignature BaseType; |
3264 | cmsUInt32Number nItems; |
3265 | |
3266 | BaseType = _cmsReadTypeBase(io); |
3267 | |
3268 | switch (BaseType) { |
3269 | |
3270 | case cmsSigTextType: |
3271 | if (*mlu) cmsMLUfree(*mlu); |
3272 | *mlu = (cmsMLU*)Type_Text_Read(self, io, &nItems, SizeOfTag); |
3273 | return (*mlu != NULL((void*)0)); |
3274 | |
3275 | case cmsSigTextDescriptionType: |
3276 | if (*mlu) cmsMLUfree(*mlu); |
3277 | *mlu = (cmsMLU*) Type_Text_Description_Read(self, io, &nItems, SizeOfTag); |
3278 | return (*mlu != NULL((void*)0)); |
3279 | |
3280 | /* |
3281 | TBD: Size is needed for MLU, and we have no idea on which is the available size |
3282 | */ |
3283 | |
3284 | case cmsSigMultiLocalizedUnicodeType: |
3285 | if (*mlu) cmsMLUfree(*mlu); |
3286 | *mlu = (cmsMLU*) Type_MLU_Read(self, io, &nItems, SizeOfTag); |
3287 | return (*mlu != NULL((void*)0)); |
3288 | |
3289 | default: return FALSE0; |
3290 | } |
3291 | } |
3292 | |
3293 | |
3294 | static |
3295 | void *Type_ProfileSequenceDesc_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
3296 | { |
3297 | cmsSEQ* OutSeq; |
3298 | cmsUInt32Number i, Count; |
3299 | |
3300 | *nItems = 0; |
3301 | |
3302 | if (!_cmsReadUInt32Number(io, &Count)) return NULL((void*)0); |
3303 | |
3304 | if (SizeOfTag < sizeof(cmsUInt32Number)) return NULL((void*)0); |
3305 | SizeOfTag -= sizeof(cmsUInt32Number); |
3306 | |
3307 | |
3308 | OutSeq = cmsAllocProfileSequenceDescription(self ->ContextID, Count); |
3309 | if (OutSeq == NULL((void*)0)) return NULL((void*)0); |
3310 | |
3311 | OutSeq ->n = Count; |
3312 | |
3313 | // Get structures as well |
3314 | |
3315 | for (i=0; i < Count; i++) { |
3316 | |
3317 | cmsPSEQDESC* sec = &OutSeq -> seq[i]; |
3318 | |
3319 | if (!_cmsReadUInt32Number(io, &sec ->deviceMfg)) goto Error; |
3320 | if (SizeOfTag < sizeof(cmsUInt32Number)) goto Error; |
3321 | SizeOfTag -= sizeof(cmsUInt32Number); |
3322 | |
3323 | if (!_cmsReadUInt32Number(io, &sec ->deviceModel)) goto Error; |
3324 | if (SizeOfTag < sizeof(cmsUInt32Number)) goto Error; |
3325 | SizeOfTag -= sizeof(cmsUInt32Number); |
3326 | |
3327 | if (!_cmsReadUInt64Number(io, &sec ->attributes)) goto Error; |
3328 | if (SizeOfTag < sizeof(cmsUInt64Number)) goto Error; |
3329 | SizeOfTag -= sizeof(cmsUInt64Number); |
3330 | |
3331 | if (!_cmsReadUInt32Number(io, (cmsUInt32Number *)&sec ->technology)) goto Error; |
3332 | if (SizeOfTag < sizeof(cmsUInt32Number)) goto Error; |
3333 | SizeOfTag -= sizeof(cmsUInt32Number); |
3334 | |
3335 | if (!ReadEmbeddedText(self, io, &sec ->Manufacturer, SizeOfTag)) goto Error; |
3336 | if (!ReadEmbeddedText(self, io, &sec ->Model, SizeOfTag)) goto Error; |
3337 | } |
3338 | |
3339 | *nItems = 1; |
3340 | return OutSeq; |
3341 | |
3342 | Error: |
3343 | cmsFreeProfileSequenceDescription(OutSeq); |
3344 | return NULL((void*)0); |
3345 | } |
3346 | |
3347 | |
3348 | // Aux--Embed a text description type. It can be of type text description or multilocalized unicode |
3349 | // and it depends of the version number passed on cmsTagDescriptor structure instead of stack |
3350 | static |
3351 | cmsBool SaveDescription(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsMLU* Text) |
3352 | { |
3353 | if (self ->ICCVersion < 0x4000000) { |
3354 | |
3355 | if (!_cmsWriteTypeBase(io, cmsSigTextDescriptionType)) return FALSE0; |
3356 | return Type_Text_Description_Write(self, io, Text, 1); |
3357 | } |
3358 | else { |
3359 | if (!_cmsWriteTypeBase(io, cmsSigMultiLocalizedUnicodeType)) return FALSE0; |
3360 | return Type_MLU_Write(self, io, Text, 1); |
3361 | } |
3362 | } |
3363 | |
3364 | |
3365 | static |
3366 | cmsBool Type_ProfileSequenceDesc_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
3367 | { |
3368 | cmsSEQ* Seq = (cmsSEQ*) Ptr; |
3369 | cmsUInt32Number i; |
3370 | |
3371 | if (!_cmsWriteUInt32Number(io, Seq->n)) return FALSE0; |
3372 | |
3373 | for (i=0; i < Seq ->n; i++) { |
3374 | |
3375 | cmsPSEQDESC* sec = &Seq -> seq[i]; |
3376 | |
3377 | if (!_cmsWriteUInt32Number(io, sec ->deviceMfg)) return FALSE0; |
3378 | if (!_cmsWriteUInt32Number(io, sec ->deviceModel)) return FALSE0; |
3379 | if (!_cmsWriteUInt64Number(io, &sec ->attributes)) return FALSE0; |
3380 | if (!_cmsWriteUInt32Number(io, sec ->technology)) return FALSE0; |
3381 | |
3382 | if (!SaveDescription(self, io, sec ->Manufacturer)) return FALSE0; |
3383 | if (!SaveDescription(self, io, sec ->Model)) return FALSE0; |
3384 | } |
3385 | |
3386 | return TRUE1; |
3387 | |
3388 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
3389 | } |
3390 | |
3391 | |
3392 | static |
3393 | void* Type_ProfileSequenceDesc_Dup(struct _cms_typehandler_struct* self, const void* Ptr, cmsUInt32Number n) |
3394 | { |
3395 | return (void*) cmsDupProfileSequenceDescription((cmsSEQ*) Ptr); |
3396 | |
3397 | cmsUNUSED_PARAMETER(n)((void)n); |
3398 | cmsUNUSED_PARAMETER(self)((void)self); |
3399 | } |
3400 | |
3401 | static |
3402 | void Type_ProfileSequenceDesc_Free(struct _cms_typehandler_struct* self, void* Ptr) |
3403 | { |
3404 | cmsFreeProfileSequenceDescription((cmsSEQ*) Ptr); |
3405 | return; |
3406 | |
3407 | cmsUNUSED_PARAMETER(self)((void)self); |
3408 | } |
3409 | |
3410 | |
3411 | // ******************************************************************************** |
3412 | // Type cmsSigProfileSequenceIdType |
3413 | // ******************************************************************************** |
3414 | /* |
3415 | In certain workflows using ICC Device Link Profiles, it is necessary to identify the |
3416 | original profiles that were combined to create the Device Link Profile. |
3417 | This type is an array of structures, each of which contains information for |
3418 | identification of a profile used in a sequence |
3419 | */ |
3420 | |
3421 | |
3422 | static |
3423 | cmsBool ReadSeqID(struct _cms_typehandler_struct* self, |
3424 | cmsIOHANDLER* io, |
3425 | void* Cargo, |
3426 | cmsUInt32Number n, |
3427 | cmsUInt32Number SizeOfTag) |
3428 | { |
3429 | cmsSEQ* OutSeq = (cmsSEQ*) Cargo; |
3430 | cmsPSEQDESC* seq = &OutSeq ->seq[n]; |
3431 | |
3432 | if (io -> Read(io, seq ->ProfileID.ID8, 16, 1) != 1) return FALSE0; |
3433 | if (!ReadEmbeddedText(self, io, &seq ->Description, SizeOfTag)) return FALSE0; |
3434 | |
3435 | return TRUE1; |
3436 | } |
3437 | |
3438 | |
3439 | |
3440 | static |
3441 | void *Type_ProfileSequenceId_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
3442 | { |
3443 | cmsSEQ* OutSeq; |
3444 | cmsUInt32Number Count; |
3445 | cmsUInt32Number BaseOffset; |
3446 | |
3447 | *nItems = 0; |
3448 | |
3449 | // Get actual position as a basis for element offsets |
3450 | BaseOffset = io ->Tell(io) - sizeof(_cmsTagBase); |
3451 | |
3452 | // Get table count |
3453 | if (!_cmsReadUInt32Number(io, &Count)) return NULL((void*)0); |
3454 | SizeOfTag -= sizeof(cmsUInt32Number); |
3455 | |
3456 | // Allocate an empty structure |
3457 | OutSeq = cmsAllocProfileSequenceDescription(self ->ContextID, Count); |
3458 | if (OutSeq == NULL((void*)0)) return NULL((void*)0); |
3459 | |
3460 | |
3461 | // Read the position table |
3462 | if (!ReadPositionTable(self, io, Count, BaseOffset, OutSeq, ReadSeqID)) { |
3463 | |
3464 | cmsFreeProfileSequenceDescription(OutSeq); |
3465 | return NULL((void*)0); |
3466 | } |
3467 | |
3468 | // Success |
3469 | *nItems = 1; |
3470 | return OutSeq; |
3471 | |
3472 | } |
3473 | |
3474 | |
3475 | static |
3476 | cmsBool WriteSeqID(struct _cms_typehandler_struct* self, |
3477 | cmsIOHANDLER* io, |
3478 | void* Cargo, |
3479 | cmsUInt32Number n, |
3480 | cmsUInt32Number SizeOfTag) |
3481 | { |
3482 | cmsSEQ* Seq = (cmsSEQ*) Cargo; |
3483 | |
3484 | if (!io ->Write(io, 16, Seq ->seq[n].ProfileID.ID8)) return FALSE0; |
3485 | |
3486 | // Store here the MLU |
3487 | if (!SaveDescription(self, io, Seq ->seq[n].Description)) return FALSE0; |
3488 | |
3489 | return TRUE1; |
3490 | |
3491 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
3492 | } |
3493 | |
3494 | static |
3495 | cmsBool Type_ProfileSequenceId_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
3496 | { |
3497 | cmsSEQ* Seq = (cmsSEQ*) Ptr; |
3498 | cmsUInt32Number BaseOffset; |
3499 | |
3500 | // Keep the base offset |
3501 | BaseOffset = io ->Tell(io) - sizeof(_cmsTagBase); |
3502 | |
3503 | // This is the table count |
3504 | if (!_cmsWriteUInt32Number(io, Seq ->n)) return FALSE0; |
3505 | |
3506 | // This is the position table and content |
3507 | if (!WritePositionTable(self, io, 0, Seq ->n, BaseOffset, Seq, WriteSeqID)) return FALSE0; |
3508 | |
3509 | return TRUE1; |
3510 | |
3511 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
3512 | } |
3513 | |
3514 | static |
3515 | void* Type_ProfileSequenceId_Dup(struct _cms_typehandler_struct* self, const void* Ptr, cmsUInt32Number n) |
3516 | { |
3517 | return (void*) cmsDupProfileSequenceDescription((cmsSEQ*) Ptr); |
3518 | |
3519 | cmsUNUSED_PARAMETER(n)((void)n); |
3520 | cmsUNUSED_PARAMETER(self)((void)self); |
3521 | } |
3522 | |
3523 | static |
3524 | void Type_ProfileSequenceId_Free(struct _cms_typehandler_struct* self, void* Ptr) |
3525 | { |
3526 | cmsFreeProfileSequenceDescription((cmsSEQ*) Ptr); |
3527 | return; |
3528 | |
3529 | cmsUNUSED_PARAMETER(self)((void)self); |
3530 | } |
3531 | |
3532 | |
3533 | // ******************************************************************************** |
3534 | // Type cmsSigUcrBgType |
3535 | // ******************************************************************************** |
3536 | /* |
3537 | This type contains curves representing the under color removal and black |
3538 | generation and a text string which is a general description of the method used |
3539 | for the ucr/bg. |
3540 | */ |
3541 | |
3542 | static |
3543 | void *Type_UcrBg_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
3544 | { |
3545 | cmsUcrBg* n = (cmsUcrBg*) _cmsMallocZero(self ->ContextID, sizeof(cmsUcrBg)); |
3546 | cmsUInt32Number CountUcr, CountBg; |
3547 | char* ASCIIString; |
3548 | |
3549 | *nItems = 0; |
3550 | if (n == NULL((void*)0)) return NULL((void*)0); |
3551 | |
3552 | // First curve is Under color removal |
3553 | if (!_cmsReadUInt32Number(io, &CountUcr)) return NULL((void*)0); |
3554 | if (SizeOfTag < sizeof(cmsUInt32Number)) return NULL((void*)0); |
3555 | SizeOfTag -= sizeof(cmsUInt32Number); |
3556 | |
3557 | n ->Ucr = cmsBuildTabulatedToneCurve16(self ->ContextID, CountUcr, NULL((void*)0)); |
3558 | if (n ->Ucr == NULL((void*)0)) return NULL((void*)0); |
3559 | |
3560 | if (!_cmsReadUInt16Array(io, CountUcr, n ->Ucr->Table16)) return NULL((void*)0); |
3561 | if (SizeOfTag < sizeof(cmsUInt32Number)) return NULL((void*)0); |
3562 | SizeOfTag -= CountUcr * sizeof(cmsUInt16Number); |
3563 | |
3564 | // Second curve is Black generation |
3565 | if (!_cmsReadUInt32Number(io, &CountBg)) return NULL((void*)0); |
3566 | if (SizeOfTag < sizeof(cmsUInt32Number)) return NULL((void*)0); |
3567 | SizeOfTag -= sizeof(cmsUInt32Number); |
3568 | |
3569 | n ->Bg = cmsBuildTabulatedToneCurve16(self ->ContextID, CountBg, NULL((void*)0)); |
3570 | if (n ->Bg == NULL((void*)0)) return NULL((void*)0); |
3571 | if (!_cmsReadUInt16Array(io, CountBg, n ->Bg->Table16)) return NULL((void*)0); |
3572 | if (SizeOfTag < CountBg * sizeof(cmsUInt16Number)) return NULL((void*)0); |
3573 | SizeOfTag -= CountBg * sizeof(cmsUInt16Number); |
3574 | if (SizeOfTag == UINT_MAX(2147483647 *2U +1U)) return NULL((void*)0); |
3575 | |
3576 | // Now comes the text. The length is specified by the tag size |
3577 | n ->Desc = cmsMLUalloc(self ->ContextID, 1); |
3578 | if (n ->Desc == NULL((void*)0)) return NULL((void*)0); |
3579 | |
3580 | ASCIIString = (char*) _cmsMalloc(self ->ContextID, SizeOfTag + 1); |
3581 | if (io ->Read(io, ASCIIString, sizeof(char), SizeOfTag) != SizeOfTag) return NULL((void*)0); |
3582 | ASCIIString[SizeOfTag] = 0; |
3583 | cmsMLUsetASCII(n ->Desc, cmsNoLanguage"\0\0", cmsNoCountry"\0\0", ASCIIString); |
3584 | _cmsFree(self ->ContextID, ASCIIString); |
3585 | |
3586 | *nItems = 1; |
3587 | return (void*) n; |
3588 | } |
3589 | |
3590 | static |
3591 | cmsBool Type_UcrBg_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
3592 | { |
3593 | cmsUcrBg* Value = (cmsUcrBg*) Ptr; |
3594 | cmsUInt32Number TextSize; |
3595 | char* Text; |
3596 | |
3597 | // First curve is Under color removal |
3598 | if (!_cmsWriteUInt32Number(io, Value ->Ucr ->nEntries)) return FALSE0; |
3599 | if (!_cmsWriteUInt16Array(io, Value ->Ucr ->nEntries, Value ->Ucr ->Table16)) return FALSE0; |
3600 | |
3601 | // Then black generation |
3602 | if (!_cmsWriteUInt32Number(io, Value ->Bg ->nEntries)) return FALSE0; |
3603 | if (!_cmsWriteUInt16Array(io, Value ->Bg ->nEntries, Value ->Bg ->Table16)) return FALSE0; |
3604 | |
3605 | // Now comes the text. The length is specified by the tag size |
3606 | TextSize = cmsMLUgetASCII(Value ->Desc, cmsNoLanguage"\0\0", cmsNoCountry"\0\0", NULL((void*)0), 0); |
3607 | Text = (char*) _cmsMalloc(self ->ContextID, TextSize); |
3608 | if (cmsMLUgetASCII(Value ->Desc, cmsNoLanguage"\0\0", cmsNoCountry"\0\0", Text, TextSize) != TextSize) return FALSE0; |
3609 | |
3610 | if (!io ->Write(io, TextSize, Text)) return FALSE0; |
3611 | _cmsFree(self ->ContextID, Text); |
3612 | |
3613 | return TRUE1; |
3614 | |
3615 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
3616 | } |
3617 | |
3618 | static |
3619 | void* Type_UcrBg_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
3620 | { |
3621 | cmsUcrBg* Src = (cmsUcrBg*) Ptr; |
3622 | cmsUcrBg* NewUcrBg = (cmsUcrBg*) _cmsMallocZero(self ->ContextID, sizeof(cmsUcrBg)); |
3623 | |
3624 | if (NewUcrBg == NULL((void*)0)) return NULL((void*)0); |
3625 | |
3626 | NewUcrBg ->Bg = cmsDupToneCurve(Src ->Bg); |
3627 | NewUcrBg ->Ucr = cmsDupToneCurve(Src ->Ucr); |
3628 | NewUcrBg ->Desc = cmsMLUdup(Src ->Desc); |
3629 | |
3630 | return (void*) NewUcrBg; |
3631 | |
3632 | cmsUNUSED_PARAMETER(n)((void)n); |
3633 | } |
3634 | |
3635 | static |
3636 | void Type_UcrBg_Free(struct _cms_typehandler_struct* self, void *Ptr) |
3637 | { |
3638 | cmsUcrBg* Src = (cmsUcrBg*) Ptr; |
3639 | |
3640 | if (Src ->Ucr) cmsFreeToneCurve(Src ->Ucr); |
3641 | if (Src ->Bg) cmsFreeToneCurve(Src ->Bg); |
3642 | if (Src ->Desc) cmsMLUfree(Src ->Desc); |
3643 | |
3644 | _cmsFree(self ->ContextID, Ptr); |
3645 | } |
3646 | |
3647 | // ******************************************************************************** |
3648 | // Type cmsSigCrdInfoType |
3649 | // ******************************************************************************** |
3650 | |
3651 | /* |
3652 | This type contains the PostScript product name to which this profile corresponds |
3653 | and the names of the companion CRDs. Recall that a single profile can generate |
3654 | multiple CRDs. It is implemented as a MLU being the language code "PS" and then |
3655 | country varies for each element: |
3656 | |
3657 | nm: PostScript product name |
3658 | #0: Rendering intent 0 CRD name |
3659 | #1: Rendering intent 1 CRD name |
3660 | #2: Rendering intent 2 CRD name |
3661 | #3: Rendering intent 3 CRD name |
3662 | */ |
3663 | |
3664 | |
3665 | |
3666 | // Auxiliary, read an string specified as count + string |
3667 | static |
3668 | cmsBool ReadCountAndSting(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsMLU* mlu, cmsUInt32Number* SizeOfTag, const char* Section) |
3669 | { |
3670 | cmsUInt32Number Count; |
3671 | char* Text; |
3672 | |
3673 | if (*SizeOfTag < sizeof(cmsUInt32Number)) return FALSE0; |
3674 | |
3675 | if (!_cmsReadUInt32Number(io, &Count)) return FALSE0; |
3676 | |
3677 | if (Count > UINT_MAX(2147483647 *2U +1U) - sizeof(cmsUInt32Number)) return FALSE0; |
3678 | if (*SizeOfTag < Count + sizeof(cmsUInt32Number)) return FALSE0; |
3679 | |
3680 | Text = (char*) _cmsMalloc(self ->ContextID, Count+1); |
3681 | if (Text == NULL((void*)0)) return FALSE0; |
3682 | |
3683 | if (io ->Read(io, Text, sizeof(cmsUInt8Number), Count) != Count) { |
3684 | _cmsFree(self ->ContextID, Text); |
3685 | return FALSE0; |
3686 | } |
3687 | |
3688 | Text[Count] = 0; |
3689 | |
3690 | cmsMLUsetASCII(mlu, "PS", Section, Text); |
3691 | _cmsFree(self ->ContextID, Text); |
3692 | |
3693 | *SizeOfTag -= (Count + sizeof(cmsUInt32Number)); |
3694 | return TRUE1; |
3695 | } |
3696 | |
3697 | static |
3698 | cmsBool WriteCountAndSting(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsMLU* mlu, const char* Section) |
3699 | { |
3700 | cmsUInt32Number TextSize; |
3701 | char* Text; |
3702 | |
3703 | TextSize = cmsMLUgetASCII(mlu, "PS", Section, NULL((void*)0), 0); |
3704 | Text = (char*) _cmsMalloc(self ->ContextID, TextSize); |
3705 | |
3706 | if (!_cmsWriteUInt32Number(io, TextSize)) return FALSE0; |
3707 | |
3708 | if (cmsMLUgetASCII(mlu, "PS", Section, Text, TextSize) == 0) return FALSE0; |
3709 | |
3710 | if (!io ->Write(io, TextSize, Text)) return FALSE0; |
3711 | _cmsFree(self ->ContextID, Text); |
3712 | |
3713 | return TRUE1; |
3714 | } |
3715 | |
3716 | static |
3717 | void *Type_CrdInfo_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
3718 | { |
3719 | cmsMLU* mlu = cmsMLUalloc(self ->ContextID, 5); |
3720 | |
3721 | *nItems = 0; |
3722 | if (!ReadCountAndSting(self, io, mlu, &SizeOfTag, "nm")) goto Error; |
3723 | if (!ReadCountAndSting(self, io, mlu, &SizeOfTag, "#0")) goto Error; |
3724 | if (!ReadCountAndSting(self, io, mlu, &SizeOfTag, "#1")) goto Error; |
3725 | if (!ReadCountAndSting(self, io, mlu, &SizeOfTag, "#2")) goto Error; |
3726 | if (!ReadCountAndSting(self, io, mlu, &SizeOfTag, "#3")) goto Error; |
3727 | |
3728 | *nItems = 1; |
3729 | return (void*) mlu; |
3730 | |
3731 | Error: |
3732 | cmsMLUfree(mlu); |
3733 | return NULL((void*)0); |
3734 | |
3735 | } |
3736 | |
3737 | static |
3738 | cmsBool Type_CrdInfo_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
3739 | { |
3740 | |
3741 | cmsMLU* mlu = (cmsMLU*) Ptr; |
3742 | |
3743 | if (!WriteCountAndSting(self, io, mlu, "nm")) goto Error; |
3744 | if (!WriteCountAndSting(self, io, mlu, "#0")) goto Error; |
3745 | if (!WriteCountAndSting(self, io, mlu, "#1")) goto Error; |
3746 | if (!WriteCountAndSting(self, io, mlu, "#2")) goto Error; |
3747 | if (!WriteCountAndSting(self, io, mlu, "#3")) goto Error; |
3748 | |
3749 | return TRUE1; |
3750 | |
3751 | Error: |
3752 | return FALSE0; |
3753 | |
3754 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
3755 | } |
3756 | |
3757 | |
3758 | static |
3759 | void* Type_CrdInfo_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
3760 | { |
3761 | return (void*) cmsMLUdup((cmsMLU*) Ptr); |
3762 | |
3763 | cmsUNUSED_PARAMETER(n)((void)n); |
3764 | cmsUNUSED_PARAMETER(self)((void)self); |
3765 | } |
3766 | |
3767 | static |
3768 | void Type_CrdInfo_Free(struct _cms_typehandler_struct* self, void *Ptr) |
3769 | { |
3770 | cmsMLUfree((cmsMLU*) Ptr); |
3771 | return; |
3772 | |
3773 | cmsUNUSED_PARAMETER(self)((void)self); |
3774 | } |
3775 | |
3776 | // ******************************************************************************** |
3777 | // Type cmsSigScreeningType |
3778 | // ******************************************************************************** |
3779 | // |
3780 | //The screeningType describes various screening parameters including screen |
3781 | //frequency, screening angle, and spot shape. |
3782 | |
3783 | static |
3784 | void *Type_Screening_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
3785 | { |
3786 | cmsScreening* sc = NULL((void*)0); |
3787 | cmsUInt32Number i; |
3788 | |
3789 | sc = (cmsScreening*) _cmsMallocZero(self ->ContextID, sizeof(cmsScreening)); |
3790 | if (sc == NULL((void*)0)) return NULL((void*)0); |
3791 | |
3792 | *nItems = 0; |
3793 | |
3794 | if (!_cmsReadUInt32Number(io, &sc ->Flag)) goto Error; |
3795 | if (!_cmsReadUInt32Number(io, &sc ->nChannels)) goto Error; |
3796 | |
3797 | if (sc ->nChannels > cmsMAXCHANNELS16 - 1) |
3798 | sc ->nChannels = cmsMAXCHANNELS16 - 1; |
3799 | |
3800 | for (i=0; i < sc ->nChannels; i++) { |
3801 | |
3802 | if (!_cmsRead15Fixed16Number(io, &sc ->Channels[i].Frequency)) goto Error; |
3803 | if (!_cmsRead15Fixed16Number(io, &sc ->Channels[i].ScreenAngle)) goto Error; |
3804 | if (!_cmsReadUInt32Number(io, &sc ->Channels[i].SpotShape)) goto Error; |
3805 | } |
3806 | |
3807 | |
3808 | *nItems = 1; |
3809 | |
3810 | return (void*) sc; |
3811 | |
3812 | Error: |
3813 | if (sc != NULL((void*)0)) |
3814 | _cmsFree(self ->ContextID, sc); |
3815 | |
3816 | return NULL((void*)0); |
3817 | |
3818 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
3819 | } |
3820 | |
3821 | |
3822 | static |
3823 | cmsBool Type_Screening_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
3824 | { |
3825 | cmsScreening* sc = (cmsScreening* ) Ptr; |
3826 | cmsUInt32Number i; |
3827 | |
3828 | if (!_cmsWriteUInt32Number(io, sc ->Flag)) return FALSE0; |
3829 | if (!_cmsWriteUInt32Number(io, sc ->nChannels)) return FALSE0; |
3830 | |
3831 | for (i=0; i < sc ->nChannels; i++) { |
3832 | |
3833 | if (!_cmsWrite15Fixed16Number(io, sc ->Channels[i].Frequency)) return FALSE0; |
3834 | if (!_cmsWrite15Fixed16Number(io, sc ->Channels[i].ScreenAngle)) return FALSE0; |
3835 | if (!_cmsWriteUInt32Number(io, sc ->Channels[i].SpotShape)) return FALSE0; |
3836 | } |
3837 | |
3838 | return TRUE1; |
3839 | |
3840 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
3841 | cmsUNUSED_PARAMETER(self)((void)self); |
3842 | } |
3843 | |
3844 | |
3845 | static |
3846 | void* Type_Screening_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
3847 | { |
3848 | return _cmsDupMem(self ->ContextID, Ptr, sizeof(cmsScreening)); |
3849 | |
3850 | cmsUNUSED_PARAMETER(n)((void)n); |
3851 | } |
3852 | |
3853 | |
3854 | static |
3855 | void Type_Screening_Free(struct _cms_typehandler_struct* self, void* Ptr) |
3856 | { |
3857 | _cmsFree(self ->ContextID, Ptr); |
3858 | } |
3859 | |
3860 | // ******************************************************************************** |
3861 | // Type cmsSigViewingConditionsType |
3862 | // ******************************************************************************** |
3863 | // |
3864 | //This type represents a set of viewing condition parameters including: |
3865 | //CIE 'absolute' illuminant white point tristimulus values and CIE 'absolute' |
3866 | //surround tristimulus values. |
3867 | |
3868 | static |
3869 | void *Type_ViewingConditions_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
3870 | { |
3871 | cmsICCViewingConditions* vc = NULL((void*)0); |
3872 | |
3873 | vc = (cmsICCViewingConditions*) _cmsMallocZero(self ->ContextID, sizeof(cmsICCViewingConditions)); |
3874 | if (vc == NULL((void*)0)) return NULL((void*)0); |
3875 | |
3876 | *nItems = 0; |
3877 | |
3878 | if (!_cmsReadXYZNumber(io, &vc ->IlluminantXYZ)) goto Error; |
3879 | if (!_cmsReadXYZNumber(io, &vc ->SurroundXYZ)) goto Error; |
3880 | if (!_cmsReadUInt32Number(io, &vc ->IlluminantType)) goto Error; |
3881 | |
3882 | *nItems = 1; |
3883 | |
3884 | return (void*) vc; |
3885 | |
3886 | Error: |
3887 | if (vc != NULL((void*)0)) |
3888 | _cmsFree(self ->ContextID, vc); |
3889 | |
3890 | return NULL((void*)0); |
3891 | |
3892 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
3893 | } |
3894 | |
3895 | |
3896 | static |
3897 | cmsBool Type_ViewingConditions_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
3898 | { |
3899 | cmsICCViewingConditions* sc = (cmsICCViewingConditions* ) Ptr; |
3900 | |
3901 | if (!_cmsWriteXYZNumber(io, &sc ->IlluminantXYZ)) return FALSE0; |
3902 | if (!_cmsWriteXYZNumber(io, &sc ->SurroundXYZ)) return FALSE0; |
3903 | if (!_cmsWriteUInt32Number(io, sc ->IlluminantType)) return FALSE0; |
3904 | |
3905 | return TRUE1; |
3906 | |
3907 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
3908 | cmsUNUSED_PARAMETER(self)((void)self); |
3909 | } |
3910 | |
3911 | |
3912 | static |
3913 | void* Type_ViewingConditions_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
3914 | { |
3915 | return _cmsDupMem(self->ContextID, Ptr, sizeof(cmsICCViewingConditions)); |
3916 | |
3917 | cmsUNUSED_PARAMETER(n)((void)n); |
3918 | } |
3919 | |
3920 | |
3921 | static |
3922 | void Type_ViewingConditions_Free(struct _cms_typehandler_struct* self, void* Ptr) |
3923 | { |
3924 | _cmsFree(self ->ContextID, Ptr); |
3925 | } |
3926 | |
3927 | |
3928 | // ******************************************************************************** |
3929 | // Type cmsSigMultiProcessElementType |
3930 | // ******************************************************************************** |
3931 | |
3932 | |
3933 | static |
3934 | void* GenericMPEdup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
3935 | { |
3936 | return (void*) cmsStageDup((cmsStage*) Ptr); |
3937 | |
3938 | cmsUNUSED_PARAMETER(n)((void)n); |
3939 | cmsUNUSED_PARAMETER(self)((void)self); |
3940 | } |
3941 | |
3942 | static |
3943 | void GenericMPEfree(struct _cms_typehandler_struct* self, void *Ptr) |
3944 | { |
3945 | cmsStageFree((cmsStage*) Ptr); |
3946 | return; |
3947 | |
3948 | cmsUNUSED_PARAMETER(self)((void)self); |
3949 | } |
3950 | |
3951 | // Each curve is stored in one or more curve segments, with break-points specified between curve segments. |
3952 | // The first curve segment always starts at -Infinity, and the last curve segment always ends at +Infinity. The |
3953 | // first and last curve segments shall be specified in terms of a formula, whereas the other segments shall be |
3954 | // specified either in terms of a formula, or by a sampled curve. |
3955 | |
3956 | |
3957 | // Read an embedded segmented curve |
3958 | static |
3959 | cmsToneCurve* ReadSegmentedCurve(struct _cms_typehandler_struct* self, cmsIOHANDLER* io) |
3960 | { |
3961 | cmsCurveSegSignature ElementSig; |
3962 | cmsUInt32Number i, j; |
3963 | cmsUInt16Number nSegments; |
3964 | cmsCurveSegment* Segments; |
3965 | cmsToneCurve* Curve; |
3966 | cmsFloat32Number PrevBreak = MINUS_INF(-1E22F); // - infinite |
3967 | |
3968 | // Take signature and channels for each element. |
3969 | if (!_cmsReadUInt32Number(io, (cmsUInt32Number*) &ElementSig)) return NULL((void*)0); |
3970 | |
3971 | // That should be a segmented curve |
3972 | if (ElementSig != cmsSigSegmentedCurve) return NULL((void*)0); |
3973 | |
3974 | if (!_cmsReadUInt32Number(io, NULL((void*)0))) return NULL((void*)0); |
3975 | if (!_cmsReadUInt16Number(io, &nSegments)) return NULL((void*)0); |
3976 | if (!_cmsReadUInt16Number(io, NULL((void*)0))) return NULL((void*)0); |
3977 | |
3978 | if (nSegments < 1) return NULL((void*)0); |
3979 | Segments = (cmsCurveSegment*) _cmsCalloc(self ->ContextID, nSegments, sizeof(cmsCurveSegment)); |
3980 | if (Segments == NULL((void*)0)) return NULL((void*)0); |
3981 | |
3982 | // Read breakpoints |
3983 | for (i=0; i < (cmsUInt32Number) nSegments - 1; i++) { |
3984 | |
3985 | Segments[i].x0 = PrevBreak; |
3986 | if (!_cmsReadFloat32Number(io, &Segments[i].x1)) goto Error; |
3987 | PrevBreak = Segments[i].x1; |
3988 | } |
3989 | |
3990 | Segments[nSegments-1].x0 = PrevBreak; |
3991 | Segments[nSegments-1].x1 = PLUS_INF(+1E22F); // A big cmsFloat32Number number |
3992 | |
3993 | // Read segments |
3994 | for (i=0; i < nSegments; i++) { |
3995 | |
3996 | if (!_cmsReadUInt32Number(io, (cmsUInt32Number*) &ElementSig)) goto Error; |
3997 | if (!_cmsReadUInt32Number(io, NULL((void*)0))) goto Error; |
3998 | |
3999 | switch (ElementSig) { |
4000 | |
4001 | case cmsSigFormulaCurveSeg: { |
4002 | |
4003 | cmsUInt16Number Type; |
4004 | cmsUInt32Number ParamsByType[] = {4, 5, 5 }; |
4005 | |
4006 | if (!_cmsReadUInt16Number(io, &Type)) goto Error; |
4007 | if (!_cmsReadUInt16Number(io, NULL((void*)0))) goto Error; |
4008 | |
4009 | Segments[i].Type = Type + 6; |
4010 | if (Type > 2) goto Error; |
4011 | |
4012 | for (j=0; j < ParamsByType[Type]; j++) { |
4013 | |
4014 | cmsFloat32Number f; |
4015 | if (!_cmsReadFloat32Number(io, &f)) goto Error; |
4016 | Segments[i].Params[j] = f; |
4017 | } |
4018 | } |
4019 | break; |
4020 | |
4021 | |
4022 | case cmsSigSampledCurveSeg: { |
4023 | cmsUInt32Number Count; |
4024 | |
4025 | if (!_cmsReadUInt32Number(io, &Count)) goto Error; |
4026 | |
4027 | Segments[i].nGridPoints = Count; |
4028 | Segments[i].SampledPoints = (cmsFloat32Number*) _cmsCalloc(self ->ContextID, Count, sizeof(cmsFloat32Number)); |
4029 | if (Segments[i].SampledPoints == NULL((void*)0)) goto Error; |
4030 | |
4031 | for (j=0; j < Count; j++) { |
4032 | if (!_cmsReadFloat32Number(io, &Segments[i].SampledPoints[j])) goto Error; |
4033 | } |
4034 | } |
4035 | break; |
4036 | |
4037 | default: |
4038 | { |
4039 | char String[5]; |
4040 | |
4041 | _cmsTagSignature2String(String, (cmsTagSignature) ElementSig); |
4042 | cmsSignalError(self->ContextID, cmsERROR_UNKNOWN_EXTENSION8, "Unknown curve element type '%s' found.", String); |
4043 | } |
4044 | goto Error; |
4045 | |
4046 | } |
4047 | } |
4048 | |
4049 | Curve = cmsBuildSegmentedToneCurve(self ->ContextID, nSegments, Segments); |
4050 | |
4051 | for (i=0; i < nSegments; i++) { |
4052 | if (Segments[i].SampledPoints) _cmsFree(self ->ContextID, Segments[i].SampledPoints); |
4053 | } |
4054 | _cmsFree(self ->ContextID, Segments); |
4055 | return Curve; |
4056 | |
4057 | Error: |
4058 | if (Segments) { |
4059 | for (i=0; i < nSegments; i++) { |
4060 | if (Segments[i].SampledPoints) _cmsFree(self ->ContextID, Segments[i].SampledPoints); |
4061 | } |
4062 | _cmsFree(self ->ContextID, Segments); |
4063 | } |
4064 | return NULL((void*)0); |
4065 | } |
4066 | |
4067 | |
4068 | static |
4069 | cmsBool ReadMPECurve(struct _cms_typehandler_struct* self, |
4070 | cmsIOHANDLER* io, |
4071 | void* Cargo, |
4072 | cmsUInt32Number n, |
4073 | cmsUInt32Number SizeOfTag) |
4074 | { |
4075 | cmsToneCurve** GammaTables = ( cmsToneCurve**) Cargo; |
4076 | |
4077 | GammaTables[n] = ReadSegmentedCurve(self, io); |
4078 | return (GammaTables[n] != NULL((void*)0)); |
4079 | |
4080 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
4081 | } |
4082 | |
4083 | static |
4084 | void *Type_MPEcurve_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
4085 | { |
4086 | cmsStage* mpe = NULL((void*)0); |
4087 | cmsUInt16Number InputChans, OutputChans; |
4088 | cmsUInt32Number i, BaseOffset; |
4089 | cmsToneCurve** GammaTables; |
4090 | |
4091 | *nItems = 0; |
4092 | |
4093 | // Get actual position as a basis for element offsets |
4094 | BaseOffset = io ->Tell(io) - sizeof(_cmsTagBase); |
4095 | |
4096 | if (!_cmsReadUInt16Number(io, &InputChans)) return NULL((void*)0); |
4097 | if (!_cmsReadUInt16Number(io, &OutputChans)) return NULL((void*)0); |
4098 | |
4099 | if (InputChans != OutputChans) return NULL((void*)0); |
4100 | |
4101 | GammaTables = (cmsToneCurve**) _cmsCalloc(self ->ContextID, InputChans, sizeof(cmsToneCurve*)); |
4102 | if (GammaTables == NULL((void*)0)) return NULL((void*)0); |
4103 | |
4104 | if (ReadPositionTable(self, io, InputChans, BaseOffset, GammaTables, ReadMPECurve)) { |
4105 | |
4106 | mpe = cmsStageAllocToneCurves(self ->ContextID, InputChans, GammaTables); |
4107 | } |
4108 | else { |
4109 | mpe = NULL((void*)0); |
4110 | } |
4111 | |
4112 | for (i=0; i < InputChans; i++) { |
4113 | if (GammaTables[i]) cmsFreeToneCurve(GammaTables[i]); |
4114 | } |
4115 | |
4116 | _cmsFree(self ->ContextID, GammaTables); |
4117 | *nItems = (mpe != NULL((void*)0)) ? 1U : 0; |
4118 | return mpe; |
4119 | |
4120 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
4121 | } |
4122 | |
4123 | |
4124 | // Write a single segmented curve. NO CHECK IS PERFORMED ON VALIDITY |
4125 | static |
4126 | cmsBool WriteSegmentedCurve(cmsIOHANDLER* io, cmsToneCurve* g) |
4127 | { |
4128 | cmsUInt32Number i, j; |
4129 | cmsCurveSegment* Segments = g ->Segments; |
4130 | cmsUInt32Number nSegments = g ->nSegments; |
4131 | |
4132 | if (!_cmsWriteUInt32Number(io, cmsSigSegmentedCurve)) goto Error; |
4133 | if (!_cmsWriteUInt32Number(io, 0)) goto Error; |
4134 | if (!_cmsWriteUInt16Number(io, (cmsUInt16Number) nSegments)) goto Error; |
4135 | if (!_cmsWriteUInt16Number(io, 0)) goto Error; |
4136 | |
4137 | // Write the break-points |
4138 | for (i=0; i < nSegments - 1; i++) { |
4139 | if (!_cmsWriteFloat32Number(io, Segments[i].x1)) goto Error; |
4140 | } |
4141 | |
4142 | // Write the segments |
4143 | for (i=0; i < g ->nSegments; i++) { |
4144 | |
4145 | cmsCurveSegment* ActualSeg = Segments + i; |
4146 | |
4147 | if (ActualSeg -> Type == 0) { |
4148 | |
4149 | // This is a sampled curve |
4150 | if (!_cmsWriteUInt32Number(io, (cmsUInt32Number) cmsSigSampledCurveSeg)) goto Error; |
4151 | if (!_cmsWriteUInt32Number(io, 0)) goto Error; |
4152 | if (!_cmsWriteUInt32Number(io, ActualSeg -> nGridPoints)) goto Error; |
4153 | |
4154 | for (j=0; j < g ->Segments[i].nGridPoints; j++) { |
4155 | if (!_cmsWriteFloat32Number(io, ActualSeg -> SampledPoints[j])) goto Error; |
4156 | } |
4157 | |
4158 | } |
4159 | else { |
4160 | int Type; |
4161 | cmsUInt32Number ParamsByType[] = { 4, 5, 5 }; |
4162 | |
4163 | // This is a formula-based |
4164 | if (!_cmsWriteUInt32Number(io, (cmsUInt32Number) cmsSigFormulaCurveSeg)) goto Error; |
4165 | if (!_cmsWriteUInt32Number(io, 0)) goto Error; |
4166 | |
4167 | // We only allow 1, 2 and 3 as types |
4168 | Type = ActualSeg ->Type - 6; |
4169 | if (Type > 2 || Type < 0) goto Error; |
4170 | |
4171 | if (!_cmsWriteUInt16Number(io, (cmsUInt16Number) Type)) goto Error; |
4172 | if (!_cmsWriteUInt16Number(io, 0)) goto Error; |
4173 | |
4174 | for (j=0; j < ParamsByType[Type]; j++) { |
4175 | if (!_cmsWriteFloat32Number(io, (cmsFloat32Number) ActualSeg ->Params[j])) goto Error; |
4176 | } |
4177 | } |
4178 | |
4179 | // It seems there is no need to align. Code is here, and for safety commented out |
4180 | // if (!_cmsWriteAlignment(io)) goto Error; |
4181 | } |
4182 | |
4183 | return TRUE1; |
4184 | |
4185 | Error: |
4186 | return FALSE0; |
4187 | } |
4188 | |
4189 | |
4190 | static |
4191 | cmsBool WriteMPECurve(struct _cms_typehandler_struct* self, |
4192 | cmsIOHANDLER* io, |
4193 | void* Cargo, |
4194 | cmsUInt32Number n, |
4195 | cmsUInt32Number SizeOfTag) |
4196 | { |
4197 | _cmsStageToneCurvesData* Curves = (_cmsStageToneCurvesData*) Cargo; |
4198 | |
4199 | return WriteSegmentedCurve(io, Curves ->TheCurves[n]); |
4200 | |
4201 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
4202 | cmsUNUSED_PARAMETER(self)((void)self); |
4203 | } |
4204 | |
4205 | // Write a curve, checking first for validity |
4206 | static |
4207 | cmsBool Type_MPEcurve_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
4208 | { |
4209 | cmsUInt32Number BaseOffset; |
4210 | cmsStage* mpe = (cmsStage*) Ptr; |
4211 | _cmsStageToneCurvesData* Curves = (_cmsStageToneCurvesData*) mpe ->Data; |
4212 | |
4213 | BaseOffset = io ->Tell(io) - sizeof(_cmsTagBase); |
4214 | |
4215 | // Write the header. Since those are curves, input and output channels are same |
4216 | if (!_cmsWriteUInt16Number(io, (cmsUInt16Number) mpe ->InputChannels)) return FALSE0; |
4217 | if (!_cmsWriteUInt16Number(io, (cmsUInt16Number) mpe ->InputChannels)) return FALSE0; |
4218 | |
4219 | if (!WritePositionTable(self, io, 0, |
4220 | mpe ->InputChannels, BaseOffset, Curves, WriteMPECurve)) return FALSE0; |
4221 | |
4222 | |
4223 | return TRUE1; |
4224 | |
4225 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
4226 | } |
4227 | |
4228 | |
4229 | |
4230 | // The matrix is organized as an array of PxQ+Q elements, where P is the number of input channels to the |
4231 | // matrix, and Q is the number of output channels. The matrix elements are each float32Numbers. The array |
4232 | // is organized as follows: |
4233 | // array = [e11, e12, ..., e1P, e21, e22, ..., e2P, ..., eQ1, eQ2, ..., eQP, e1, e2, ..., eQ] |
4234 | |
4235 | static |
4236 | void *Type_MPEmatrix_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
4237 | { |
4238 | cmsStage* mpe; |
4239 | cmsUInt16Number InputChans, OutputChans; |
4240 | cmsUInt32Number nElems, i; |
4241 | cmsFloat64Number* Matrix; |
4242 | cmsFloat64Number* Offsets; |
4243 | |
4244 | if (!_cmsReadUInt16Number(io, &InputChans)) return NULL((void*)0); |
4245 | if (!_cmsReadUInt16Number(io, &OutputChans)) return NULL((void*)0); |
4246 | |
4247 | |
4248 | // Input and output chans may be ANY (up to 0xffff), |
4249 | // but we choose to limit to 16 channels for now |
4250 | if (InputChans >= cmsMAXCHANNELS16) return NULL((void*)0); |
4251 | if (OutputChans >= cmsMAXCHANNELS16) return NULL((void*)0); |
4252 | |
4253 | nElems = (cmsUInt32Number) InputChans * OutputChans; |
4254 | |
4255 | Matrix = (cmsFloat64Number*) _cmsCalloc(self ->ContextID, nElems, sizeof(cmsFloat64Number)); |
4256 | if (Matrix == NULL((void*)0)) return NULL((void*)0); |
4257 | |
4258 | Offsets = (cmsFloat64Number*) _cmsCalloc(self ->ContextID, OutputChans, sizeof(cmsFloat64Number)); |
4259 | if (Offsets == NULL((void*)0)) { |
4260 | |
4261 | _cmsFree(self ->ContextID, Matrix); |
4262 | return NULL((void*)0); |
4263 | } |
4264 | |
4265 | for (i=0; i < nElems; i++) { |
4266 | |
4267 | cmsFloat32Number v; |
4268 | |
4269 | if (!_cmsReadFloat32Number(io, &v)) { |
4270 | _cmsFree(self ->ContextID, Matrix); |
4271 | _cmsFree(self ->ContextID, Offsets); |
4272 | return NULL((void*)0); |
4273 | } |
4274 | Matrix[i] = v; |
4275 | } |
4276 | |
4277 | |
4278 | for (i=0; i < OutputChans; i++) { |
4279 | |
4280 | cmsFloat32Number v; |
4281 | |
4282 | if (!_cmsReadFloat32Number(io, &v)) { |
4283 | _cmsFree(self ->ContextID, Matrix); |
4284 | _cmsFree(self ->ContextID, Offsets); |
4285 | return NULL((void*)0); |
4286 | } |
4287 | Offsets[i] = v; |
4288 | } |
4289 | |
4290 | |
4291 | mpe = cmsStageAllocMatrix(self ->ContextID, OutputChans, InputChans, Matrix, Offsets); |
4292 | _cmsFree(self ->ContextID, Matrix); |
4293 | _cmsFree(self ->ContextID, Offsets); |
4294 | |
4295 | *nItems = 1; |
4296 | |
4297 | return mpe; |
4298 | |
4299 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
4300 | } |
4301 | |
4302 | static |
4303 | cmsBool Type_MPEmatrix_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
4304 | { |
4305 | cmsUInt32Number i, nElems; |
4306 | cmsStage* mpe = (cmsStage*) Ptr; |
4307 | _cmsStageMatrixData* Matrix = (_cmsStageMatrixData*) mpe ->Data; |
4308 | |
4309 | if (!_cmsWriteUInt16Number(io, (cmsUInt16Number) mpe ->InputChannels)) return FALSE0; |
4310 | if (!_cmsWriteUInt16Number(io, (cmsUInt16Number) mpe ->OutputChannels)) return FALSE0; |
4311 | |
4312 | nElems = mpe ->InputChannels * mpe ->OutputChannels; |
4313 | |
4314 | for (i=0; i < nElems; i++) { |
4315 | if (!_cmsWriteFloat32Number(io, (cmsFloat32Number) Matrix->Double[i])) return FALSE0; |
4316 | } |
4317 | |
4318 | |
4319 | for (i=0; i < mpe ->OutputChannels; i++) { |
4320 | |
4321 | if (Matrix ->Offset == NULL((void*)0)) { |
4322 | |
4323 | if (!_cmsWriteFloat32Number(io, 0)) return FALSE0; |
4324 | } |
4325 | else { |
4326 | if (!_cmsWriteFloat32Number(io, (cmsFloat32Number) Matrix->Offset[i])) return FALSE0; |
4327 | } |
4328 | } |
4329 | |
4330 | return TRUE1; |
4331 | |
4332 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
4333 | cmsUNUSED_PARAMETER(self)((void)self); |
4334 | } |
4335 | |
4336 | |
4337 | |
4338 | static |
4339 | void *Type_MPEclut_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
4340 | { |
4341 | cmsStage* mpe = NULL((void*)0); |
4342 | cmsUInt16Number InputChans, OutputChans; |
4343 | cmsUInt8Number Dimensions8[16]; |
4344 | cmsUInt32Number i, nMaxGrids, GridPoints[MAX_INPUT_DIMENSIONS15]; |
4345 | _cmsStageCLutData* clut; |
4346 | |
4347 | if (!_cmsReadUInt16Number(io, &InputChans)) return NULL((void*)0); |
4348 | if (!_cmsReadUInt16Number(io, &OutputChans)) return NULL((void*)0); |
4349 | |
4350 | if (InputChans == 0) goto Error; |
4351 | if (OutputChans == 0) goto Error; |
4352 | |
4353 | if (io ->Read(io, Dimensions8, sizeof(cmsUInt8Number), 16) != 16) |
4354 | goto Error; |
4355 | |
4356 | // Copy MAX_INPUT_DIMENSIONS at most. Expand to cmsUInt32Number |
4357 | nMaxGrids = InputChans > MAX_INPUT_DIMENSIONS15 ? (cmsUInt32Number) MAX_INPUT_DIMENSIONS15 : InputChans; |
4358 | |
4359 | for (i = 0; i < nMaxGrids; i++) { |
4360 | if (Dimensions8[i] == 1) goto Error; // Impossible value, 0 for no CLUT and then 2 at least |
4361 | GridPoints[i] = (cmsUInt32Number)Dimensions8[i]; |
4362 | } |
4363 | |
4364 | // Allocate the true CLUT |
4365 | mpe = cmsStageAllocCLutFloatGranular(self ->ContextID, GridPoints, InputChans, OutputChans, NULL((void*)0)); |
4366 | if (mpe == NULL((void*)0)) goto Error; |
4367 | |
4368 | // Read and sanitize the data |
4369 | clut = (_cmsStageCLutData*) mpe ->Data; |
4370 | for (i=0; i < clut ->nEntries; i++) { |
4371 | |
4372 | if (!_cmsReadFloat32Number(io, &clut->Tab.TFloat[i])) goto Error; |
4373 | } |
4374 | |
4375 | *nItems = 1; |
4376 | return mpe; |
4377 | |
4378 | Error: |
4379 | *nItems = 0; |
4380 | if (mpe != NULL((void*)0)) cmsStageFree(mpe); |
4381 | return NULL((void*)0); |
4382 | |
4383 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
4384 | } |
4385 | |
4386 | // Write a CLUT in floating point |
4387 | static |
4388 | cmsBool Type_MPEclut_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
4389 | { |
4390 | cmsUInt8Number Dimensions8[16]; // 16 because the spec says 16 and not max number of channels |
4391 | cmsUInt32Number i; |
4392 | cmsStage* mpe = (cmsStage*) Ptr; |
4393 | _cmsStageCLutData* clut = (_cmsStageCLutData*) mpe ->Data; |
4394 | |
4395 | // Check for maximum number of channels supported by lcms |
4396 | if (mpe -> InputChannels > MAX_INPUT_DIMENSIONS15) return FALSE0; |
4397 | |
4398 | // Only floats are supported in MPE |
4399 | if (clut ->HasFloatValues == FALSE0) return FALSE0; |
4400 | |
4401 | if (!_cmsWriteUInt16Number(io, (cmsUInt16Number) mpe ->InputChannels)) return FALSE0; |
4402 | if (!_cmsWriteUInt16Number(io, (cmsUInt16Number) mpe ->OutputChannels)) return FALSE0; |
4403 | |
4404 | memset(Dimensions8, 0, sizeof(Dimensions8)); |
4405 | |
4406 | for (i=0; i < mpe ->InputChannels; i++) |
4407 | Dimensions8[i] = (cmsUInt8Number) clut ->Params ->nSamples[i]; |
4408 | |
4409 | if (!io ->Write(io, 16, Dimensions8)) return FALSE0; |
4410 | |
4411 | for (i=0; i < clut ->nEntries; i++) { |
4412 | |
4413 | if (!_cmsWriteFloat32Number(io, clut ->Tab.TFloat[i])) return FALSE0; |
4414 | } |
4415 | |
4416 | return TRUE1; |
4417 | |
4418 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
4419 | cmsUNUSED_PARAMETER(self)((void)self); |
4420 | } |
4421 | |
4422 | |
4423 | |
4424 | // This is the list of built-in MPE types |
4425 | static _cmsTagTypeLinkedList SupportedMPEtypes[] = { |
4426 | |
4427 | {{ (cmsTagTypeSignature) cmsSigBAcsElemType, NULL((void*)0), NULL((void*)0), NULL((void*)0), NULL((void*)0), NULL((void*)0), 0 }, &SupportedMPEtypes[1] }, // Ignore those elements for now |
4428 | {{ (cmsTagTypeSignature) cmsSigEAcsElemType, NULL((void*)0), NULL((void*)0), NULL((void*)0), NULL((void*)0), NULL((void*)0), 0 }, &SupportedMPEtypes[2] }, // (That's what the spec says) |
4429 | |
4430 | {TYPE_MPE_HANDLER((cmsTagTypeSignature) cmsSigCurveSetElemType, MPEcurve){ ((cmsTagTypeSignature) cmsSigCurveSetElemType), Type_MPEcurve_Read , Type_MPEcurve_Write, GenericMPEdup, GenericMPEfree, ((void* )0), 0 }, &SupportedMPEtypes[3] }, |
4431 | {TYPE_MPE_HANDLER((cmsTagTypeSignature) cmsSigMatrixElemType, MPEmatrix){ ((cmsTagTypeSignature) cmsSigMatrixElemType), Type_MPEmatrix_Read , Type_MPEmatrix_Write, GenericMPEdup, GenericMPEfree, ((void *)0), 0 }, &SupportedMPEtypes[4] }, |
4432 | {TYPE_MPE_HANDLER((cmsTagTypeSignature) cmsSigCLutElemType, MPEclut){ ((cmsTagTypeSignature) cmsSigCLutElemType), Type_MPEclut_Read , Type_MPEclut_Write, GenericMPEdup, GenericMPEfree, ((void*) 0), 0 }, NULL((void*)0) }, |
4433 | }; |
4434 | |
4435 | _cmsTagTypePluginChunkType _cmsMPETypePluginChunk = { NULL((void*)0) }; |
4436 | |
4437 | static |
4438 | cmsBool ReadMPEElem(struct _cms_typehandler_struct* self, |
4439 | cmsIOHANDLER* io, |
4440 | void* Cargo, |
4441 | cmsUInt32Number n, |
4442 | cmsUInt32Number SizeOfTag) |
4443 | { |
4444 | cmsStageSignature ElementSig; |
4445 | cmsTagTypeHandler* TypeHandler; |
4446 | cmsUInt32Number nItems; |
4447 | cmsPipeline *NewLUT = (cmsPipeline *) Cargo; |
4448 | _cmsTagTypePluginChunkType* MPETypePluginChunk = ( _cmsTagTypePluginChunkType*) _cmsContextGetClientChunk(self->ContextID, MPEPlugin); |
4449 | |
4450 | |
4451 | // Take signature and channels for each element. |
4452 | if (!_cmsReadUInt32Number(io, (cmsUInt32Number*) &ElementSig)) return FALSE0; |
4453 | |
4454 | // The reserved placeholder |
4455 | if (!_cmsReadUInt32Number(io, NULL((void*)0))) return FALSE0; |
4456 | |
4457 | // Read diverse MPE types |
4458 | TypeHandler = GetHandler((cmsTagTypeSignature) ElementSig, MPETypePluginChunk ->TagTypes, SupportedMPEtypes); |
4459 | if (TypeHandler == NULL((void*)0)) { |
4460 | |
4461 | char String[5]; |
4462 | |
4463 | _cmsTagSignature2String(String, (cmsTagSignature) ElementSig); |
4464 | |
4465 | // An unknown element was found. |
4466 | cmsSignalError(self ->ContextID, cmsERROR_UNKNOWN_EXTENSION8, "Unknown MPE type '%s' found.", String); |
4467 | return FALSE0; |
4468 | } |
4469 | |
4470 | // If no read method, just ignore the element (valid for cmsSigBAcsElemType and cmsSigEAcsElemType) |
4471 | // Read the MPE. No size is given |
4472 | if (TypeHandler ->ReadPtr != NULL((void*)0)) { |
4473 | |
4474 | // This is a real element which should be read and processed |
4475 | if (!cmsPipelineInsertStage(NewLUT, cmsAT_END, (cmsStage*) TypeHandler ->ReadPtr(self, io, &nItems, SizeOfTag))) |
4476 | return FALSE0; |
4477 | } |
4478 | |
4479 | return TRUE1; |
4480 | |
4481 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
4482 | cmsUNUSED_PARAMETER(n)((void)n); |
4483 | } |
4484 | |
4485 | |
4486 | // This is the main dispatcher for MPE |
4487 | static |
4488 | void *Type_MPE_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
4489 | { |
4490 | cmsUInt16Number InputChans, OutputChans; |
4491 | cmsUInt32Number ElementCount; |
4492 | cmsPipeline *NewLUT = NULL((void*)0); |
4493 | cmsUInt32Number BaseOffset; |
4494 | |
4495 | // Get actual position as a basis for element offsets |
4496 | BaseOffset = io ->Tell(io) - sizeof(_cmsTagBase); |
4497 | |
4498 | // Read channels and element count |
4499 | if (!_cmsReadUInt16Number(io, &InputChans)) return NULL((void*)0); |
4500 | if (!_cmsReadUInt16Number(io, &OutputChans)) return NULL((void*)0); |
4501 | |
4502 | if (InputChans == 0 || InputChans >= cmsMAXCHANNELS16) return NULL((void*)0); |
4503 | if (OutputChans == 0 || OutputChans >= cmsMAXCHANNELS16) return NULL((void*)0); |
4504 | |
4505 | // Allocates an empty LUT |
4506 | NewLUT = cmsPipelineAlloc(self ->ContextID, InputChans, OutputChans); |
4507 | if (NewLUT == NULL((void*)0)) return NULL((void*)0); |
4508 | |
4509 | if (!_cmsReadUInt32Number(io, &ElementCount)) goto Error; |
4510 | if (!ReadPositionTable(self, io, ElementCount, BaseOffset, NewLUT, ReadMPEElem)) goto Error; |
4511 | |
4512 | // Check channel count |
4513 | if (InputChans != NewLUT->InputChannels || |
4514 | OutputChans != NewLUT->OutputChannels) goto Error; |
4515 | |
4516 | // Success |
4517 | *nItems = 1; |
4518 | return NewLUT; |
4519 | |
4520 | // Error |
4521 | Error: |
4522 | if (NewLUT != NULL((void*)0)) cmsPipelineFree(NewLUT); |
4523 | *nItems = 0; |
4524 | return NULL((void*)0); |
4525 | |
4526 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
4527 | } |
4528 | |
4529 | |
4530 | |
4531 | // This one is a liitle bit more complex, so we don't use position tables this time. |
4532 | static |
4533 | cmsBool Type_MPE_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
4534 | { |
4535 | cmsUInt32Number i, BaseOffset, DirectoryPos, CurrentPos; |
4536 | cmsUInt32Number inputChan, outputChan; |
4537 | cmsUInt32Number ElemCount; |
4538 | cmsUInt32Number *ElementOffsets = NULL((void*)0), *ElementSizes = NULL((void*)0), Before; |
4539 | cmsStageSignature ElementSig; |
4540 | cmsPipeline* Lut = (cmsPipeline*) Ptr; |
4541 | cmsStage* Elem = Lut ->Elements; |
4542 | cmsTagTypeHandler* TypeHandler; |
4543 | _cmsTagTypePluginChunkType* MPETypePluginChunk = ( _cmsTagTypePluginChunkType*) _cmsContextGetClientChunk(self->ContextID, MPEPlugin); |
4544 | |
4545 | BaseOffset = io ->Tell(io) - sizeof(_cmsTagBase); |
4546 | |
4547 | inputChan = cmsPipelineInputChannels(Lut); |
4548 | outputChan = cmsPipelineOutputChannels(Lut); |
4549 | ElemCount = cmsPipelineStageCount(Lut); |
4550 | |
4551 | ElementOffsets = (cmsUInt32Number *) _cmsCalloc(self ->ContextID, ElemCount, sizeof(cmsUInt32Number)); |
4552 | if (ElementOffsets == NULL((void*)0)) goto Error; |
4553 | |
4554 | ElementSizes = (cmsUInt32Number *) _cmsCalloc(self ->ContextID, ElemCount, sizeof(cmsUInt32Number)); |
4555 | if (ElementSizes == NULL((void*)0)) goto Error; |
4556 | |
4557 | // Write the head |
4558 | if (!_cmsWriteUInt16Number(io, (cmsUInt16Number) inputChan)) goto Error; |
4559 | if (!_cmsWriteUInt16Number(io, (cmsUInt16Number) outputChan)) goto Error; |
4560 | if (!_cmsWriteUInt32Number(io, (cmsUInt16Number) ElemCount)) goto Error; |
4561 | |
4562 | DirectoryPos = io ->Tell(io); |
4563 | |
4564 | // Write a fake directory to be filled latter on |
4565 | for (i=0; i < ElemCount; i++) { |
4566 | if (!_cmsWriteUInt32Number(io, 0)) goto Error; // Offset |
4567 | if (!_cmsWriteUInt32Number(io, 0)) goto Error; // size |
4568 | } |
4569 | |
4570 | // Write each single tag. Keep track of the size as well. |
4571 | for (i=0; i < ElemCount; i++) { |
4572 | |
4573 | ElementOffsets[i] = io ->Tell(io) - BaseOffset; |
4574 | |
4575 | ElementSig = Elem ->Type; |
4576 | |
4577 | TypeHandler = GetHandler((cmsTagTypeSignature) ElementSig, MPETypePluginChunk->TagTypes, SupportedMPEtypes); |
4578 | if (TypeHandler == NULL((void*)0)) { |
4579 | |
4580 | char String[5]; |
4581 | |
4582 | _cmsTagSignature2String(String, (cmsTagSignature) ElementSig); |
4583 | |
4584 | // An unknown element was found. |
4585 | cmsSignalError(self->ContextID, cmsERROR_UNKNOWN_EXTENSION8, "Found unknown MPE type '%s'", String); |
4586 | goto Error; |
4587 | } |
4588 | |
4589 | if (!_cmsWriteUInt32Number(io, ElementSig)) goto Error; |
4590 | if (!_cmsWriteUInt32Number(io, 0)) goto Error; |
4591 | Before = io ->Tell(io); |
4592 | if (!TypeHandler ->WritePtr(self, io, Elem, 1)) goto Error; |
4593 | if (!_cmsWriteAlignment(io)) goto Error; |
4594 | |
4595 | ElementSizes[i] = io ->Tell(io) - Before; |
4596 | |
4597 | Elem = Elem ->Next; |
4598 | } |
4599 | |
4600 | // Write the directory |
4601 | CurrentPos = io ->Tell(io); |
4602 | |
4603 | if (!io ->Seek(io, DirectoryPos)) goto Error; |
4604 | |
4605 | for (i=0; i < ElemCount; i++) { |
4606 | if (!_cmsWriteUInt32Number(io, ElementOffsets[i])) goto Error; |
4607 | if (!_cmsWriteUInt32Number(io, ElementSizes[i])) goto Error; |
4608 | } |
4609 | |
4610 | if (!io ->Seek(io, CurrentPos)) goto Error; |
4611 | |
4612 | if (ElementOffsets != NULL((void*)0)) _cmsFree(self ->ContextID, ElementOffsets); |
4613 | if (ElementSizes != NULL((void*)0)) _cmsFree(self ->ContextID, ElementSizes); |
4614 | return TRUE1; |
4615 | |
4616 | Error: |
4617 | if (ElementOffsets != NULL((void*)0)) _cmsFree(self ->ContextID, ElementOffsets); |
4618 | if (ElementSizes != NULL((void*)0)) _cmsFree(self ->ContextID, ElementSizes); |
4619 | return FALSE0; |
4620 | |
4621 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
4622 | } |
4623 | |
4624 | |
4625 | static |
4626 | void* Type_MPE_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
4627 | { |
4628 | return (void*) cmsPipelineDup((cmsPipeline*) Ptr); |
4629 | |
4630 | cmsUNUSED_PARAMETER(n)((void)n); |
4631 | cmsUNUSED_PARAMETER(self)((void)self); |
4632 | } |
4633 | |
4634 | static |
4635 | void Type_MPE_Free(struct _cms_typehandler_struct* self, void *Ptr) |
4636 | { |
4637 | cmsPipelineFree((cmsPipeline*) Ptr); |
4638 | return; |
4639 | |
4640 | cmsUNUSED_PARAMETER(self)((void)self); |
4641 | } |
4642 | |
4643 | |
4644 | // ******************************************************************************** |
4645 | // Type cmsSigVcgtType |
4646 | // ******************************************************************************** |
4647 | |
4648 | |
4649 | #define cmsVideoCardGammaTableType0 0 |
4650 | #define cmsVideoCardGammaFormulaType1 1 |
4651 | |
4652 | // Used internally |
4653 | typedef struct { |
4654 | double Gamma; |
4655 | double Min; |
4656 | double Max; |
4657 | } _cmsVCGTGAMMA; |
4658 | |
4659 | |
4660 | static |
4661 | void *Type_vcgt_Read(struct _cms_typehandler_struct* self, |
4662 | cmsIOHANDLER* io, |
4663 | cmsUInt32Number* nItems, |
4664 | cmsUInt32Number SizeOfTag) |
4665 | { |
4666 | cmsUInt32Number TagType, n, i; |
4667 | cmsToneCurve** Curves; |
4668 | |
4669 | *nItems = 0; |
4670 | |
4671 | // Read tag type |
4672 | if (!_cmsReadUInt32Number(io, &TagType)) return NULL((void*)0); |
4673 | |
4674 | // Allocate space for the array |
4675 | Curves = ( cmsToneCurve**) _cmsCalloc(self ->ContextID, 3, sizeof(cmsToneCurve*)); |
4676 | if (Curves == NULL((void*)0)) return NULL((void*)0); |
4677 | |
4678 | // There are two possible flavors |
4679 | switch (TagType) { |
4680 | |
4681 | // Gamma is stored as a table |
4682 | case cmsVideoCardGammaTableType0: |
4683 | { |
4684 | cmsUInt16Number nChannels, nElems, nBytes; |
4685 | |
4686 | // Check channel count, which should be 3 (we don't support monochrome this time) |
4687 | if (!_cmsReadUInt16Number(io, &nChannels)) goto Error; |
4688 | |
4689 | if (nChannels != 3) { |
4690 | cmsSignalError(self->ContextID, cmsERROR_UNKNOWN_EXTENSION8, "Unsupported number of channels for VCGT '%d'", nChannels); |
4691 | goto Error; |
4692 | } |
4693 | |
4694 | // Get Table element count and bytes per element |
4695 | if (!_cmsReadUInt16Number(io, &nElems)) goto Error; |
4696 | if (!_cmsReadUInt16Number(io, &nBytes)) goto Error; |
4697 | |
4698 | // Adobe's quirk fixup. Fixing broken profiles... |
4699 | if (nElems == 256 && nBytes == 1 && SizeOfTag == 1576) |
4700 | nBytes = 2; |
4701 | |
4702 | |
4703 | // Populate tone curves |
4704 | for (n=0; n < 3; n++) { |
4705 | |
4706 | Curves[n] = cmsBuildTabulatedToneCurve16(self ->ContextID, nElems, NULL((void*)0)); |
4707 | if (Curves[n] == NULL((void*)0)) goto Error; |
4708 | |
4709 | // On depending on byte depth |
4710 | switch (nBytes) { |
4711 | |
4712 | // One byte, 0..255 |
4713 | case 1: |
4714 | for (i=0; i < nElems; i++) { |
4715 | |
4716 | cmsUInt8Number v; |
4717 | |
4718 | if (!_cmsReadUInt8Number(io, &v)) goto Error; |
4719 | Curves[n] ->Table16[i] = FROM_8_TO_16(v)(cmsUInt16Number) ((((cmsUInt16Number) (v)) << 8)|(v)); |
4720 | } |
4721 | break; |
4722 | |
4723 | // One word 0..65535 |
4724 | case 2: |
4725 | if (!_cmsReadUInt16Array(io, nElems, Curves[n]->Table16)) goto Error; |
4726 | break; |
4727 | |
4728 | // Unsupported |
4729 | default: |
4730 | cmsSignalError(self->ContextID, cmsERROR_UNKNOWN_EXTENSION8, "Unsupported bit depth for VCGT '%d'", nBytes * 8); |
4731 | goto Error; |
4732 | } |
4733 | } // For all 3 channels |
4734 | } |
4735 | break; |
4736 | |
4737 | // In this case, gamma is stored as a formula |
4738 | case cmsVideoCardGammaFormulaType1: |
4739 | { |
4740 | _cmsVCGTGAMMA Colorant[3]; |
4741 | |
4742 | // Populate tone curves |
4743 | for (n=0; n < 3; n++) { |
4744 | |
4745 | double Params[10]; |
4746 | |
4747 | if (!_cmsRead15Fixed16Number(io, &Colorant[n].Gamma)) goto Error; |
4748 | if (!_cmsRead15Fixed16Number(io, &Colorant[n].Min)) goto Error; |
4749 | if (!_cmsRead15Fixed16Number(io, &Colorant[n].Max)) goto Error; |
4750 | |
4751 | // Parametric curve type 5 is: |
4752 | // Y = (aX + b)^Gamma + e | X >= d |
4753 | // Y = cX + f | X < d |
4754 | |
4755 | // vcgt formula is: |
4756 | // Y = (Max - Min) * (X ^ Gamma) + Min |
4757 | |
4758 | // So, the translation is |
4759 | // a = (Max - Min) ^ ( 1 / Gamma) |
4760 | // e = Min |
4761 | // b=c=d=f=0 |
4762 | |
4763 | Params[0] = Colorant[n].Gamma; |
4764 | Params[1] = pow((Colorant[n].Max - Colorant[n].Min), (1.0 / Colorant[n].Gamma)); |
4765 | Params[2] = 0; |
4766 | Params[3] = 0; |
4767 | Params[4] = 0; |
4768 | Params[5] = Colorant[n].Min; |
4769 | Params[6] = 0; |
4770 | |
4771 | Curves[n] = cmsBuildParametricToneCurve(self ->ContextID, 5, Params); |
4772 | if (Curves[n] == NULL((void*)0)) goto Error; |
4773 | } |
4774 | } |
4775 | break; |
4776 | |
4777 | // Unsupported |
4778 | default: |
4779 | cmsSignalError(self->ContextID, cmsERROR_UNKNOWN_EXTENSION8, "Unsupported tag type for VCGT '%d'", TagType); |
4780 | goto Error; |
4781 | } |
4782 | |
4783 | *nItems = 1; |
4784 | return (void*) Curves; |
4785 | |
4786 | // Regret, free all resources |
4787 | Error: |
4788 | |
4789 | cmsFreeToneCurveTriple(Curves); |
4790 | _cmsFree(self ->ContextID, Curves); |
4791 | return NULL((void*)0); |
4792 | |
4793 | cmsUNUSED_PARAMETER(SizeOfTag)((void)SizeOfTag); |
4794 | } |
4795 | |
4796 | |
4797 | // We don't support all flavors, only 16bits tables and formula |
4798 | static |
4799 | cmsBool Type_vcgt_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
4800 | { |
4801 | cmsToneCurve** Curves = (cmsToneCurve**) Ptr; |
4802 | cmsUInt32Number i, j; |
4803 | |
4804 | if (cmsGetToneCurveParametricType(Curves[0]) == 5 && |
4805 | cmsGetToneCurveParametricType(Curves[1]) == 5 && |
4806 | cmsGetToneCurveParametricType(Curves[2]) == 5) { |
4807 | |
4808 | if (!_cmsWriteUInt32Number(io, cmsVideoCardGammaFormulaType1)) return FALSE0; |
4809 | |
4810 | // Save parameters |
4811 | for (i=0; i < 3; i++) { |
4812 | |
4813 | _cmsVCGTGAMMA v; |
4814 | |
4815 | v.Gamma = Curves[i] ->Segments[0].Params[0]; |
4816 | v.Min = Curves[i] ->Segments[0].Params[5]; |
4817 | v.Max = pow(Curves[i] ->Segments[0].Params[1], v.Gamma) + v.Min; |
4818 | |
4819 | if (!_cmsWrite15Fixed16Number(io, v.Gamma)) return FALSE0; |
4820 | if (!_cmsWrite15Fixed16Number(io, v.Min)) return FALSE0; |
4821 | if (!_cmsWrite15Fixed16Number(io, v.Max)) return FALSE0; |
4822 | } |
4823 | } |
4824 | |
4825 | else { |
4826 | |
4827 | // Always store as a table of 256 words |
4828 | if (!_cmsWriteUInt32Number(io, cmsVideoCardGammaTableType0)) return FALSE0; |
4829 | if (!_cmsWriteUInt16Number(io, 3)) return FALSE0; |
4830 | if (!_cmsWriteUInt16Number(io, 256)) return FALSE0; |
4831 | if (!_cmsWriteUInt16Number(io, 2)) return FALSE0; |
4832 | |
4833 | for (i=0; i < 3; i++) { |
4834 | for (j=0; j < 256; j++) { |
4835 | |
4836 | cmsFloat32Number v = cmsEvalToneCurveFloat(Curves[i], (cmsFloat32Number) (j / 255.0)); |
4837 | cmsUInt16Number n = _cmsQuickSaturateWord(v * 65535.0); |
4838 | |
4839 | if (!_cmsWriteUInt16Number(io, n)) return FALSE0; |
4840 | } |
4841 | } |
4842 | } |
4843 | |
4844 | return TRUE1; |
4845 | |
4846 | cmsUNUSED_PARAMETER(self)((void)self); |
4847 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
4848 | } |
4849 | |
4850 | static |
4851 | void* Type_vcgt_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
4852 | { |
4853 | cmsToneCurve** OldCurves = (cmsToneCurve**) Ptr; |
4854 | cmsToneCurve** NewCurves; |
4855 | |
4856 | NewCurves = ( cmsToneCurve**) _cmsCalloc(self ->ContextID, 3, sizeof(cmsToneCurve*)); |
4857 | if (NewCurves == NULL((void*)0)) return NULL((void*)0); |
4858 | |
4859 | NewCurves[0] = cmsDupToneCurve(OldCurves[0]); |
4860 | NewCurves[1] = cmsDupToneCurve(OldCurves[1]); |
4861 | NewCurves[2] = cmsDupToneCurve(OldCurves[2]); |
4862 | |
4863 | return (void*) NewCurves; |
4864 | |
4865 | cmsUNUSED_PARAMETER(n)((void)n); |
4866 | } |
4867 | |
4868 | |
4869 | static |
4870 | void Type_vcgt_Free(struct _cms_typehandler_struct* self, void* Ptr) |
4871 | { |
4872 | cmsFreeToneCurveTriple((cmsToneCurve**) Ptr); |
4873 | _cmsFree(self ->ContextID, Ptr); |
4874 | } |
4875 | |
4876 | |
4877 | // ******************************************************************************** |
4878 | // Type cmsSigDictType |
4879 | // ******************************************************************************** |
4880 | |
4881 | // Single column of the table can point to wchar or MLUC elements. Holds arrays of data |
4882 | typedef struct { |
4883 | cmsContext ContextID; |
4884 | cmsUInt32Number *Offsets; |
4885 | cmsUInt32Number *Sizes; |
4886 | } _cmsDICelem; |
4887 | |
4888 | typedef struct { |
4889 | _cmsDICelem Name, Value, DisplayName, DisplayValue; |
4890 | |
4891 | } _cmsDICarray; |
4892 | |
4893 | // Allocate an empty array element |
4894 | static |
4895 | cmsBool AllocElem(cmsContext ContextID, _cmsDICelem* e, cmsUInt32Number Count) |
4896 | { |
4897 | e->Offsets = (cmsUInt32Number *) _cmsCalloc(ContextID, Count, sizeof(cmsUInt32Number)); |
4898 | if (e->Offsets == NULL((void*)0)) return FALSE0; |
4899 | |
4900 | e->Sizes = (cmsUInt32Number *) _cmsCalloc(ContextID, Count, sizeof(cmsUInt32Number)); |
4901 | if (e->Sizes == NULL((void*)0)) { |
4902 | |
4903 | _cmsFree(ContextID, e -> Offsets); |
4904 | return FALSE0; |
4905 | } |
4906 | |
4907 | e ->ContextID = ContextID; |
4908 | return TRUE1; |
4909 | } |
4910 | |
4911 | // Free an array element |
4912 | static |
4913 | void FreeElem(_cmsDICelem* e) |
4914 | { |
4915 | if (e ->Offsets != NULL((void*)0)) _cmsFree(e -> ContextID, e -> Offsets); |
4916 | if (e ->Sizes != NULL((void*)0)) _cmsFree(e -> ContextID, e -> Sizes); |
4917 | e->Offsets = e ->Sizes = NULL((void*)0); |
4918 | } |
4919 | |
4920 | // Get rid of whole array |
4921 | static |
4922 | void FreeArray( _cmsDICarray* a) |
4923 | { |
4924 | if (a ->Name.Offsets != NULL((void*)0)) FreeElem(&a->Name); |
4925 | if (a ->Value.Offsets != NULL((void*)0)) FreeElem(&a ->Value); |
4926 | if (a ->DisplayName.Offsets != NULL((void*)0)) FreeElem(&a->DisplayName); |
4927 | if (a ->DisplayValue.Offsets != NULL((void*)0)) FreeElem(&a ->DisplayValue); |
4928 | } |
4929 | |
4930 | |
4931 | // Allocate whole array |
4932 | static |
4933 | cmsBool AllocArray(cmsContext ContextID, _cmsDICarray* a, cmsUInt32Number Count, cmsUInt32Number Length) |
4934 | { |
4935 | // Empty values |
4936 | memset(a, 0, sizeof(_cmsDICarray)); |
4937 | |
4938 | // On depending on record size, create column arrays |
4939 | if (!AllocElem(ContextID, &a ->Name, Count)) goto Error; |
4940 | if (!AllocElem(ContextID, &a ->Value, Count)) goto Error; |
4941 | |
4942 | if (Length > 16) { |
4943 | if (!AllocElem(ContextID, &a -> DisplayName, Count)) goto Error; |
4944 | |
4945 | } |
4946 | if (Length > 24) { |
4947 | if (!AllocElem(ContextID, &a ->DisplayValue, Count)) goto Error; |
4948 | } |
4949 | return TRUE1; |
4950 | |
4951 | Error: |
4952 | FreeArray(a); |
4953 | return FALSE0; |
4954 | } |
4955 | |
4956 | // Read one element |
4957 | static |
4958 | cmsBool ReadOneElem(cmsIOHANDLER* io, _cmsDICelem* e, cmsUInt32Number i, cmsUInt32Number BaseOffset) |
4959 | { |
4960 | if (!_cmsReadUInt32Number(io, &e->Offsets[i])) return FALSE0; |
4961 | if (!_cmsReadUInt32Number(io, &e ->Sizes[i])) return FALSE0; |
4962 | |
4963 | // An offset of zero has special meaning and shal be preserved |
4964 | if (e ->Offsets[i] > 0) |
4965 | e ->Offsets[i] += BaseOffset; |
4966 | return TRUE1; |
4967 | } |
4968 | |
4969 | |
4970 | static |
4971 | cmsBool ReadOffsetArray(cmsIOHANDLER* io, _cmsDICarray* a, cmsUInt32Number Count, cmsUInt32Number Length, cmsUInt32Number BaseOffset) |
4972 | { |
4973 | cmsUInt32Number i; |
4974 | |
4975 | // Read column arrays |
4976 | for (i=0; i < Count; i++) { |
4977 | |
4978 | if (!ReadOneElem(io, &a -> Name, i, BaseOffset)) return FALSE0; |
4979 | if (!ReadOneElem(io, &a -> Value, i, BaseOffset)) return FALSE0; |
4980 | |
4981 | if (Length > 16) { |
4982 | |
4983 | if (!ReadOneElem(io, &a ->DisplayName, i, BaseOffset)) return FALSE0; |
4984 | |
4985 | } |
4986 | |
4987 | if (Length > 24) { |
4988 | |
4989 | if (!ReadOneElem(io, & a -> DisplayValue, i, BaseOffset)) return FALSE0; |
4990 | } |
4991 | } |
4992 | return TRUE1; |
4993 | } |
4994 | |
4995 | |
4996 | // Write one element |
4997 | static |
4998 | cmsBool WriteOneElem(cmsIOHANDLER* io, _cmsDICelem* e, cmsUInt32Number i) |
4999 | { |
5000 | if (!_cmsWriteUInt32Number(io, e->Offsets[i])) return FALSE0; |
5001 | if (!_cmsWriteUInt32Number(io, e ->Sizes[i])) return FALSE0; |
5002 | |
5003 | return TRUE1; |
5004 | } |
5005 | |
5006 | static |
5007 | cmsBool WriteOffsetArray(cmsIOHANDLER* io, _cmsDICarray* a, cmsUInt32Number Count, cmsUInt32Number Length) |
5008 | { |
5009 | cmsUInt32Number i; |
5010 | |
5011 | for (i=0; i < Count; i++) { |
5012 | |
5013 | if (!WriteOneElem(io, &a -> Name, i)) return FALSE0; |
5014 | if (!WriteOneElem(io, &a -> Value, i)) return FALSE0; |
5015 | |
5016 | if (Length > 16) { |
5017 | |
5018 | if (!WriteOneElem(io, &a -> DisplayName, i)) return FALSE0; |
5019 | } |
5020 | |
5021 | if (Length > 24) { |
5022 | |
5023 | if (!WriteOneElem(io, &a -> DisplayValue, i)) return FALSE0; |
5024 | } |
5025 | } |
5026 | |
5027 | return TRUE1; |
5028 | } |
5029 | |
5030 | static |
5031 | cmsBool ReadOneWChar(cmsIOHANDLER* io, _cmsDICelem* e, cmsUInt32Number i, wchar_t ** wcstr) |
5032 | { |
5033 | |
5034 | cmsUInt32Number nChars; |
5035 | |
5036 | // Special case for undefined strings (see ICC Votable |
5037 | // Proposal Submission, Dictionary Type and Metadata TAG Definition) |
5038 | if (e -> Offsets[i] == 0) { |
5039 | |
5040 | *wcstr = NULL((void*)0); |
5041 | return TRUE1; |
5042 | } |
5043 | |
5044 | if (!io -> Seek(io, e -> Offsets[i])) return FALSE0; |
5045 | |
5046 | nChars = e ->Sizes[i] / sizeof(cmsUInt16Number); |
5047 | |
5048 | |
5049 | *wcstr = (wchar_t*) _cmsMallocZero(e ->ContextID, (nChars + 1) * sizeof(wchar_t)); |
5050 | if (*wcstr == NULL((void*)0)) return FALSE0; |
5051 | |
5052 | if (!_cmsReadWCharArray(io, nChars, *wcstr)) { |
5053 | _cmsFree(e ->ContextID, *wcstr); |
5054 | return FALSE0; |
5055 | } |
5056 | |
5057 | // End of string marker |
5058 | (*wcstr)[nChars] = 0; |
5059 | return TRUE1; |
5060 | } |
5061 | |
5062 | static |
5063 | cmsUInt32Number mywcslen(const wchar_t *s) |
5064 | { |
5065 | const wchar_t *p; |
5066 | |
5067 | p = s; |
5068 | while (*p) |
5069 | p++; |
5070 | |
5071 | return (cmsUInt32Number)(p - s); |
5072 | } |
5073 | |
5074 | static |
5075 | cmsBool WriteOneWChar(cmsIOHANDLER* io, _cmsDICelem* e, cmsUInt32Number i, const wchar_t * wcstr, cmsUInt32Number BaseOffset) |
5076 | { |
5077 | cmsUInt32Number Before = io ->Tell(io); |
5078 | cmsUInt32Number n; |
5079 | |
5080 | e ->Offsets[i] = Before - BaseOffset; |
5081 | |
5082 | if (wcstr == NULL((void*)0)) { |
5083 | e ->Sizes[i] = 0; |
5084 | e ->Offsets[i] = 0; |
5085 | return TRUE1; |
5086 | } |
5087 | |
5088 | n = mywcslen(wcstr); |
5089 | if (!_cmsWriteWCharArray(io, n, wcstr)) return FALSE0; |
5090 | |
5091 | e ->Sizes[i] = io ->Tell(io) - Before; |
5092 | return TRUE1; |
5093 | } |
5094 | |
5095 | static |
5096 | cmsBool ReadOneMLUC(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, _cmsDICelem* e, cmsUInt32Number i, cmsMLU** mlu) |
5097 | { |
5098 | cmsUInt32Number nItems = 0; |
5099 | |
5100 | // A way to get null MLUCs |
5101 | if (e -> Offsets[i] == 0 || e ->Sizes[i] == 0) { |
5102 | |
5103 | *mlu = NULL((void*)0); |
5104 | return TRUE1; |
5105 | } |
5106 | |
5107 | if (!io -> Seek(io, e -> Offsets[i])) return FALSE0; |
5108 | |
5109 | *mlu = (cmsMLU*) Type_MLU_Read(self, io, &nItems, e ->Sizes[i]); |
5110 | return *mlu != NULL((void*)0); |
5111 | } |
5112 | |
5113 | static |
5114 | cmsBool WriteOneMLUC(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, _cmsDICelem* e, cmsUInt32Number i, const cmsMLU* mlu, cmsUInt32Number BaseOffset) |
5115 | { |
5116 | cmsUInt32Number Before; |
5117 | |
5118 | // Special case for undefined strings (see ICC Votable |
5119 | // Proposal Submission, Dictionary Type and Metadata TAG Definition) |
5120 | if (mlu == NULL((void*)0)) { |
5121 | e ->Sizes[i] = 0; |
5122 | e ->Offsets[i] = 0; |
5123 | return TRUE1; |
5124 | } |
5125 | |
5126 | Before = io ->Tell(io); |
5127 | e ->Offsets[i] = Before - BaseOffset; |
5128 | |
5129 | if (!Type_MLU_Write(self, io, (void*) mlu, 1)) return FALSE0; |
5130 | |
5131 | e ->Sizes[i] = io ->Tell(io) - Before; |
5132 | return TRUE1; |
5133 | } |
5134 | |
5135 | |
5136 | static |
5137 | void *Type_Dictionary_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsUInt32Number* nItems, cmsUInt32Number SizeOfTag) |
5138 | { |
5139 | cmsHANDLE hDict; |
5140 | cmsUInt32Number i, Count, Length; |
5141 | cmsUInt32Number BaseOffset; |
5142 | _cmsDICarray a; |
5143 | wchar_t *NameWCS = NULL((void*)0), *ValueWCS = NULL((void*)0); |
5144 | cmsMLU *DisplayNameMLU = NULL((void*)0), *DisplayValueMLU=NULL((void*)0); |
5145 | cmsBool rc; |
5146 | |
5147 | *nItems = 0; |
5148 | |
5149 | // Get actual position as a basis for element offsets |
5150 | BaseOffset = io ->Tell(io) - sizeof(_cmsTagBase); |
5151 | |
5152 | // Get name-value record count |
5153 | if (!_cmsReadUInt32Number(io, &Count)) return NULL((void*)0); |
5154 | SizeOfTag -= sizeof(cmsUInt32Number); |
5155 | |
5156 | // Get rec length |
5157 | if (!_cmsReadUInt32Number(io, &Length)) return NULL((void*)0); |
5158 | SizeOfTag -= sizeof(cmsUInt32Number); |
5159 | |
5160 | // Check for valid lengths |
5161 | if (Length != 16 && Length != 24 && Length != 32) { |
5162 | cmsSignalError(self->ContextID, cmsERROR_UNKNOWN_EXTENSION8, "Unknown record length in dictionary '%d'", Length); |
5163 | return NULL((void*)0); |
5164 | } |
5165 | |
5166 | // Creates an empty dictionary |
5167 | hDict = cmsDictAlloc(self -> ContextID); |
5168 | if (hDict == NULL((void*)0)) return NULL((void*)0); |
5169 | |
5170 | // On depending on record size, create column arrays |
5171 | if (!AllocArray(self -> ContextID, &a, Count, Length)) goto Error; |
5172 | |
5173 | // Read column arrays |
5174 | if (!ReadOffsetArray(io, &a, Count, Length, BaseOffset)) goto Error; |
5175 | |
5176 | // Seek to each element and read it |
5177 | for (i=0; i < Count; i++) { |
5178 | |
5179 | if (!ReadOneWChar(io, &a.Name, i, &NameWCS)) goto Error; |
5180 | if (!ReadOneWChar(io, &a.Value, i, &ValueWCS)) goto Error; |
5181 | |
5182 | if (Length > 16) { |
5183 | if (!ReadOneMLUC(self, io, &a.DisplayName, i, &DisplayNameMLU)) goto Error; |
5184 | } |
5185 | |
5186 | if (Length > 24) { |
5187 | if (!ReadOneMLUC(self, io, &a.DisplayValue, i, &DisplayValueMLU)) goto Error; |
5188 | } |
5189 | |
5190 | if (NameWCS == NULL((void*)0) || ValueWCS == NULL((void*)0)) { |
5191 | |
5192 | cmsSignalError(self->ContextID, cmsERROR_CORRUPTION_DETECTED12, "Bad dictionary Name/Value"); |
5193 | rc = FALSE0; |
5194 | } |
5195 | else { |
5196 | |
5197 | rc = cmsDictAddEntry(hDict, NameWCS, ValueWCS, DisplayNameMLU, DisplayValueMLU); |
5198 | } |
5199 | |
5200 | if (NameWCS != NULL((void*)0)) _cmsFree(self ->ContextID, NameWCS); |
5201 | if (ValueWCS != NULL((void*)0)) _cmsFree(self ->ContextID, ValueWCS); |
5202 | if (DisplayNameMLU != NULL((void*)0)) cmsMLUfree(DisplayNameMLU); |
5203 | if (DisplayValueMLU != NULL((void*)0)) cmsMLUfree(DisplayValueMLU); |
5204 | |
5205 | if (!rc) goto Error; |
5206 | } |
5207 | |
5208 | FreeArray(&a); |
5209 | *nItems = 1; |
5210 | return (void*) hDict; |
5211 | |
5212 | Error: |
5213 | FreeArray(&a); |
5214 | cmsDictFree(hDict); |
5215 | return NULL((void*)0); |
5216 | } |
5217 | |
5218 | |
5219 | static |
5220 | cmsBool Type_Dictionary_Write(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, void* Ptr, cmsUInt32Number nItems) |
5221 | { |
5222 | cmsHANDLE hDict = (cmsHANDLE) Ptr; |
5223 | const cmsDICTentry* p; |
5224 | cmsBool AnyName, AnyValue; |
5225 | cmsUInt32Number i, Count, Length; |
5226 | cmsUInt32Number DirectoryPos, CurrentPos, BaseOffset; |
5227 | _cmsDICarray a; |
5228 | |
5229 | if (hDict == NULL((void*)0)) return FALSE0; |
5230 | |
5231 | BaseOffset = io ->Tell(io) - sizeof(_cmsTagBase); |
5232 | |
5233 | // Let's inspect the dictionary |
5234 | Count = 0; AnyName = FALSE0; AnyValue = FALSE0; |
5235 | for (p = cmsDictGetEntryList(hDict); p != NULL((void*)0); p = cmsDictNextEntry(p)) { |
5236 | |
5237 | if (p ->DisplayName != NULL((void*)0)) AnyName = TRUE1; |
5238 | if (p ->DisplayValue != NULL((void*)0)) AnyValue = TRUE1; |
5239 | Count++; |
5240 | } |
5241 | |
5242 | Length = 16; |
5243 | if (AnyName) Length += 8; |
5244 | if (AnyValue) Length += 8; |
5245 | |
5246 | if (!_cmsWriteUInt32Number(io, Count)) return FALSE0; |
5247 | if (!_cmsWriteUInt32Number(io, Length)) return FALSE0; |
5248 | |
5249 | // Keep starting position of offsets table |
5250 | DirectoryPos = io ->Tell(io); |
5251 | |
5252 | // Allocate offsets array |
5253 | if (!AllocArray(self ->ContextID, &a, Count, Length)) goto Error; |
5254 | |
5255 | // Write a fake directory to be filled latter on |
5256 | if (!WriteOffsetArray(io, &a, Count, Length)) goto Error; |
5257 | |
5258 | // Write each element. Keep track of the size as well. |
5259 | p = cmsDictGetEntryList(hDict); |
5260 | for (i=0; i < Count; i++) { |
5261 | |
5262 | if (!WriteOneWChar(io, &a.Name, i, p ->Name, BaseOffset)) goto Error; |
5263 | if (!WriteOneWChar(io, &a.Value, i, p ->Value, BaseOffset)) goto Error; |
5264 | |
5265 | if (p ->DisplayName != NULL((void*)0)) { |
5266 | if (!WriteOneMLUC(self, io, &a.DisplayName, i, p ->DisplayName, BaseOffset)) goto Error; |
5267 | } |
5268 | |
5269 | if (p ->DisplayValue != NULL((void*)0)) { |
5270 | if (!WriteOneMLUC(self, io, &a.DisplayValue, i, p ->DisplayValue, BaseOffset)) goto Error; |
5271 | } |
5272 | |
5273 | p = cmsDictNextEntry(p); |
5274 | } |
5275 | |
5276 | // Write the directory |
5277 | CurrentPos = io ->Tell(io); |
5278 | if (!io ->Seek(io, DirectoryPos)) goto Error; |
5279 | |
5280 | if (!WriteOffsetArray(io, &a, Count, Length)) goto Error; |
5281 | |
5282 | if (!io ->Seek(io, CurrentPos)) goto Error; |
5283 | |
5284 | FreeArray(&a); |
5285 | return TRUE1; |
5286 | |
5287 | Error: |
5288 | FreeArray(&a); |
5289 | return FALSE0; |
5290 | |
5291 | cmsUNUSED_PARAMETER(nItems)((void)nItems); |
5292 | } |
5293 | |
5294 | |
5295 | static |
5296 | void* Type_Dictionary_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n) |
5297 | { |
5298 | return (void*) cmsDictDup((cmsHANDLE) Ptr); |
5299 | |
5300 | cmsUNUSED_PARAMETER(n)((void)n); |
5301 | cmsUNUSED_PARAMETER(self)((void)self); |
5302 | } |
5303 | |
5304 | |
5305 | static |
5306 | void Type_Dictionary_Free(struct _cms_typehandler_struct* self, void* Ptr) |
5307 | { |
5308 | cmsDictFree((cmsHANDLE) Ptr); |
5309 | cmsUNUSED_PARAMETER(self)((void)self); |
5310 | } |
5311 | |
5312 | |
5313 | // ******************************************************************************** |
5314 | // Type support main routines |
5315 | // ******************************************************************************** |
5316 | |
5317 | |
5318 | // This is the list of built-in types |
5319 | static const _cmsTagTypeLinkedList SupportedTagTypes[] = { |
5320 | |
5321 | {TYPE_HANDLER(cmsSigChromaticityType, Chromaticity){ (cmsSigChromaticityType), Type_Chromaticity_Read, Type_Chromaticity_Write , Type_Chromaticity_Dup, Type_Chromaticity_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[1] }, |
5322 | {TYPE_HANDLER(cmsSigColorantOrderType, ColorantOrderType){ (cmsSigColorantOrderType), Type_ColorantOrderType_Read, Type_ColorantOrderType_Write , Type_ColorantOrderType_Dup, Type_ColorantOrderType_Free, (( void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[2] }, |
5323 | {TYPE_HANDLER(cmsSigS15Fixed16ArrayType, S15Fixed16){ (cmsSigS15Fixed16ArrayType), Type_S15Fixed16_Read, Type_S15Fixed16_Write , Type_S15Fixed16_Dup, Type_S15Fixed16_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[3] }, |
5324 | {TYPE_HANDLER(cmsSigU16Fixed16ArrayType, U16Fixed16){ (cmsSigU16Fixed16ArrayType), Type_U16Fixed16_Read, Type_U16Fixed16_Write , Type_U16Fixed16_Dup, Type_U16Fixed16_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[4] }, |
5325 | {TYPE_HANDLER(cmsSigTextType, Text){ (cmsSigTextType), Type_Text_Read, Type_Text_Write, Type_Text_Dup , Type_Text_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[5] }, |
5326 | {TYPE_HANDLER(cmsSigTextDescriptionType, Text_Description){ (cmsSigTextDescriptionType), Type_Text_Description_Read, Type_Text_Description_Write , Type_Text_Description_Dup, Type_Text_Description_Free, ((void *)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[6] }, |
5327 | {TYPE_HANDLER(cmsSigCurveType, Curve){ (cmsSigCurveType), Type_Curve_Read, Type_Curve_Write, Type_Curve_Dup , Type_Curve_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[7] }, |
5328 | {TYPE_HANDLER(cmsSigParametricCurveType, ParametricCurve){ (cmsSigParametricCurveType), Type_ParametricCurve_Read, Type_ParametricCurve_Write , Type_ParametricCurve_Dup, Type_ParametricCurve_Free, ((void *)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[8] }, |
5329 | {TYPE_HANDLER(cmsSigDateTimeType, DateTime){ (cmsSigDateTimeType), Type_DateTime_Read, Type_DateTime_Write , Type_DateTime_Dup, Type_DateTime_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[9] }, |
5330 | {TYPE_HANDLER(cmsSigLut8Type, LUT8){ (cmsSigLut8Type), Type_LUT8_Read, Type_LUT8_Write, Type_LUT8_Dup , Type_LUT8_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[10] }, |
5331 | {TYPE_HANDLER(cmsSigLut16Type, LUT16){ (cmsSigLut16Type), Type_LUT16_Read, Type_LUT16_Write, Type_LUT16_Dup , Type_LUT16_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[11] }, |
5332 | {TYPE_HANDLER(cmsSigColorantTableType, ColorantTable){ (cmsSigColorantTableType), Type_ColorantTable_Read, Type_ColorantTable_Write , Type_ColorantTable_Dup, Type_ColorantTable_Free, ((void*)0) , 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[12] }, |
5333 | {TYPE_HANDLER(cmsSigNamedColor2Type, NamedColor){ (cmsSigNamedColor2Type), Type_NamedColor_Read, Type_NamedColor_Write , Type_NamedColor_Dup, Type_NamedColor_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[13] }, |
5334 | {TYPE_HANDLER(cmsSigMultiLocalizedUnicodeType, MLU){ (cmsSigMultiLocalizedUnicodeType), Type_MLU_Read, Type_MLU_Write , Type_MLU_Dup, Type_MLU_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[14] }, |
5335 | {TYPE_HANDLER(cmsSigProfileSequenceDescType, ProfileSequenceDesc){ (cmsSigProfileSequenceDescType), Type_ProfileSequenceDesc_Read , Type_ProfileSequenceDesc_Write, Type_ProfileSequenceDesc_Dup , Type_ProfileSequenceDesc_Free, ((void*)0), 0 },(_cmsTagTypeLinkedList*) &SupportedTagTypes[15] }, |
5336 | {TYPE_HANDLER(cmsSigSignatureType, Signature){ (cmsSigSignatureType), Type_Signature_Read, Type_Signature_Write , Type_Signature_Dup, Type_Signature_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[16] }, |
5337 | {TYPE_HANDLER(cmsSigMeasurementType, Measurement){ (cmsSigMeasurementType), Type_Measurement_Read, Type_Measurement_Write , Type_Measurement_Dup, Type_Measurement_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[17] }, |
5338 | {TYPE_HANDLER(cmsSigDataType, Data){ (cmsSigDataType), Type_Data_Read, Type_Data_Write, Type_Data_Dup , Type_Data_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[18] }, |
5339 | {TYPE_HANDLER(cmsSigLutAtoBType, LUTA2B){ (cmsSigLutAtoBType), Type_LUTA2B_Read, Type_LUTA2B_Write, Type_LUTA2B_Dup , Type_LUTA2B_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[19] }, |
5340 | {TYPE_HANDLER(cmsSigLutBtoAType, LUTB2A){ (cmsSigLutBtoAType), Type_LUTB2A_Read, Type_LUTB2A_Write, Type_LUTB2A_Dup , Type_LUTB2A_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[20] }, |
5341 | {TYPE_HANDLER(cmsSigUcrBgType, UcrBg){ (cmsSigUcrBgType), Type_UcrBg_Read, Type_UcrBg_Write, Type_UcrBg_Dup , Type_UcrBg_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[21] }, |
5342 | {TYPE_HANDLER(cmsSigCrdInfoType, CrdInfo){ (cmsSigCrdInfoType), Type_CrdInfo_Read, Type_CrdInfo_Write, Type_CrdInfo_Dup, Type_CrdInfo_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[22] }, |
5343 | {TYPE_HANDLER(cmsSigMultiProcessElementType, MPE){ (cmsSigMultiProcessElementType), Type_MPE_Read, Type_MPE_Write , Type_MPE_Dup, Type_MPE_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[23] }, |
5344 | {TYPE_HANDLER(cmsSigScreeningType, Screening){ (cmsSigScreeningType), Type_Screening_Read, Type_Screening_Write , Type_Screening_Dup, Type_Screening_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[24] }, |
5345 | {TYPE_HANDLER(cmsSigViewingConditionsType, ViewingConditions){ (cmsSigViewingConditionsType), Type_ViewingConditions_Read, Type_ViewingConditions_Write, Type_ViewingConditions_Dup, Type_ViewingConditions_Free , ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[25] }, |
5346 | {TYPE_HANDLER(cmsSigXYZType, XYZ){ (cmsSigXYZType), Type_XYZ_Read, Type_XYZ_Write, Type_XYZ_Dup , Type_XYZ_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[26] }, |
5347 | {TYPE_HANDLER(cmsCorbisBrokenXYZtype, XYZ){ (((cmsTagTypeSignature) 0x17A505B8)), Type_XYZ_Read, Type_XYZ_Write , Type_XYZ_Dup, Type_XYZ_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[27] }, |
5348 | {TYPE_HANDLER(cmsMonacoBrokenCurveType, Curve){ (((cmsTagTypeSignature) 0x9478ee00)), Type_Curve_Read, Type_Curve_Write , Type_Curve_Dup, Type_Curve_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[28] }, |
5349 | {TYPE_HANDLER(cmsSigProfileSequenceIdType, ProfileSequenceId){ (cmsSigProfileSequenceIdType), Type_ProfileSequenceId_Read, Type_ProfileSequenceId_Write, Type_ProfileSequenceId_Dup, Type_ProfileSequenceId_Free , ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[29] }, |
5350 | {TYPE_HANDLER(cmsSigDictType, Dictionary){ (cmsSigDictType), Type_Dictionary_Read, Type_Dictionary_Write , Type_Dictionary_Dup, Type_Dictionary_Free, ((void*)0), 0 }, (_cmsTagTypeLinkedList*) &SupportedTagTypes[30] }, |
5351 | {TYPE_HANDLER(cmsSigVcgtType, vcgt){ (cmsSigVcgtType), Type_vcgt_Read, Type_vcgt_Write, Type_vcgt_Dup , Type_vcgt_Free, ((void*)0), 0 }, NULL((void*)0) } |
5352 | }; |
5353 | |
5354 | |
5355 | _cmsTagTypePluginChunkType _cmsTagTypePluginChunk = { NULL((void*)0) }; |
5356 | |
5357 | |
5358 | |
5359 | // Duplicates the zone of memory used by the plug-in in the new context |
5360 | static |
5361 | void DupTagTypeList(struct _cmsContext_struct* ctx, |
5362 | const struct _cmsContext_struct* src, |
5363 | int loc) |
5364 | { |
5365 | _cmsTagTypePluginChunkType newHead = { NULL((void*)0) }; |
5366 | _cmsTagTypeLinkedList* entry; |
5367 | _cmsTagTypeLinkedList* Anterior = NULL((void*)0); |
5368 | _cmsTagTypePluginChunkType* head = (_cmsTagTypePluginChunkType*) src->chunks[loc]; |
5369 | |
5370 | // Walk the list copying all nodes |
5371 | for (entry = head->TagTypes; |
5372 | entry != NULL((void*)0); |
5373 | entry = entry ->Next) { |
5374 | |
5375 | _cmsTagTypeLinkedList *newEntry = ( _cmsTagTypeLinkedList *) _cmsSubAllocDup(ctx ->MemPool, entry, sizeof(_cmsTagTypeLinkedList)); |
5376 | |
5377 | if (newEntry == NULL((void*)0)) |
5378 | return; |
5379 | |
5380 | // We want to keep the linked list order, so this is a little bit tricky |
5381 | newEntry -> Next = NULL((void*)0); |
5382 | if (Anterior) |
5383 | Anterior -> Next = newEntry; |
5384 | |
5385 | Anterior = newEntry; |
5386 | |
5387 | if (newHead.TagTypes == NULL((void*)0)) |
5388 | newHead.TagTypes = newEntry; |
5389 | } |
5390 | |
5391 | ctx ->chunks[loc] = _cmsSubAllocDup(ctx->MemPool, &newHead, sizeof(_cmsTagTypePluginChunkType)); |
5392 | } |
5393 | |
5394 | |
5395 | void _cmsAllocTagTypePluginChunk(struct _cmsContext_struct* ctx, |
5396 | const struct _cmsContext_struct* src) |
5397 | { |
5398 | if (src != NULL((void*)0)) { |
5399 | |
5400 | // Duplicate the LIST |
5401 | DupTagTypeList(ctx, src, TagTypePlugin); |
5402 | } |
5403 | else { |
5404 | static _cmsTagTypePluginChunkType TagTypePluginChunk = { NULL((void*)0) }; |
5405 | ctx ->chunks[TagTypePlugin] = _cmsSubAllocDup(ctx ->MemPool, &TagTypePluginChunk, sizeof(_cmsTagTypePluginChunkType)); |
5406 | } |
5407 | } |
5408 | |
5409 | void _cmsAllocMPETypePluginChunk(struct _cmsContext_struct* ctx, |
5410 | const struct _cmsContext_struct* src) |
5411 | { |
5412 | if (src != NULL((void*)0)) { |
5413 | |
5414 | // Duplicate the LIST |
5415 | DupTagTypeList(ctx, src, MPEPlugin); |
5416 | } |
5417 | else { |
5418 | static _cmsTagTypePluginChunkType TagTypePluginChunk = { NULL((void*)0) }; |
5419 | ctx ->chunks[MPEPlugin] = _cmsSubAllocDup(ctx ->MemPool, &TagTypePluginChunk, sizeof(_cmsTagTypePluginChunkType)); |
5420 | } |
5421 | |
5422 | } |
5423 | |
5424 | |
5425 | // Both kind of plug-ins share same structure |
5426 | cmsBool _cmsRegisterTagTypePlugin(cmsContext id, cmsPluginBase* Data) |
5427 | { |
5428 | return RegisterTypesPlugin(id, Data, TagTypePlugin); |
5429 | } |
5430 | |
5431 | cmsBool _cmsRegisterMultiProcessElementPlugin(cmsContext id, cmsPluginBase* Data) |
5432 | { |
5433 | return RegisterTypesPlugin(id, Data,MPEPlugin); |
5434 | } |
5435 | |
5436 | |
5437 | // Wrapper for tag types |
5438 | cmsTagTypeHandler* _cmsGetTagTypeHandler(cmsContext ContextID, cmsTagTypeSignature sig) |
5439 | { |
5440 | _cmsTagTypePluginChunkType* ctx = ( _cmsTagTypePluginChunkType*) _cmsContextGetClientChunk(ContextID, TagTypePlugin); |
5441 | |
5442 | return GetHandler(sig, ctx->TagTypes, (_cmsTagTypeLinkedList*) SupportedTagTypes); |
5443 | } |
5444 | |
5445 | // ******************************************************************************** |
5446 | // Tag support main routines |
5447 | // ******************************************************************************** |
5448 | |
5449 | typedef struct _cmsTagLinkedList_st { |
5450 | |
5451 | cmsTagSignature Signature; |
5452 | cmsTagDescriptor Descriptor; |
5453 | struct _cmsTagLinkedList_st* Next; |
5454 | |
5455 | } _cmsTagLinkedList; |
5456 | |
5457 | // This is the list of built-in tags. The data of this list can be modified by plug-ins |
5458 | static _cmsTagLinkedList SupportedTags[] = { |
5459 | |
5460 | { cmsSigAToB0Tag, { 1, 3, { cmsSigLut16Type, cmsSigLutAtoBType, cmsSigLut8Type}, DecideLUTtypeA2B}, &SupportedTags[1]}, |
5461 | { cmsSigAToB1Tag, { 1, 3, { cmsSigLut16Type, cmsSigLutAtoBType, cmsSigLut8Type}, DecideLUTtypeA2B}, &SupportedTags[2]}, |
5462 | { cmsSigAToB2Tag, { 1, 3, { cmsSigLut16Type, cmsSigLutAtoBType, cmsSigLut8Type}, DecideLUTtypeA2B}, &SupportedTags[3]}, |
5463 | { cmsSigBToA0Tag, { 1, 3, { cmsSigLut16Type, cmsSigLutBtoAType, cmsSigLut8Type}, DecideLUTtypeB2A}, &SupportedTags[4]}, |
5464 | { cmsSigBToA1Tag, { 1, 3, { cmsSigLut16Type, cmsSigLutBtoAType, cmsSigLut8Type}, DecideLUTtypeB2A}, &SupportedTags[5]}, |
5465 | { cmsSigBToA2Tag, { 1, 3, { cmsSigLut16Type, cmsSigLutBtoAType, cmsSigLut8Type}, DecideLUTtypeB2A}, &SupportedTags[6]}, |
5466 | |
5467 | // Allow corbis and its broken XYZ type |
5468 | { cmsSigRedColorantTag, { 1, 2, { cmsSigXYZType, cmsCorbisBrokenXYZtype((cmsTagTypeSignature) 0x17A505B8) }, DecideXYZtype}, &SupportedTags[7]}, |
5469 | { cmsSigGreenColorantTag, { 1, 2, { cmsSigXYZType, cmsCorbisBrokenXYZtype((cmsTagTypeSignature) 0x17A505B8) }, DecideXYZtype}, &SupportedTags[8]}, |
5470 | { cmsSigBlueColorantTag, { 1, 2, { cmsSigXYZType, cmsCorbisBrokenXYZtype((cmsTagTypeSignature) 0x17A505B8) }, DecideXYZtype}, &SupportedTags[9]}, |
5471 | |
5472 | { cmsSigRedTRCTag, { 1, 3, { cmsSigCurveType, cmsSigParametricCurveType, cmsMonacoBrokenCurveType((cmsTagTypeSignature) 0x9478ee00) }, DecideCurveType}, &SupportedTags[10]}, |
5473 | { cmsSigGreenTRCTag, { 1, 3, { cmsSigCurveType, cmsSigParametricCurveType, cmsMonacoBrokenCurveType((cmsTagTypeSignature) 0x9478ee00) }, DecideCurveType}, &SupportedTags[11]}, |
5474 | { cmsSigBlueTRCTag, { 1, 3, { cmsSigCurveType, cmsSigParametricCurveType, cmsMonacoBrokenCurveType((cmsTagTypeSignature) 0x9478ee00) }, DecideCurveType}, &SupportedTags[12]}, |
5475 | |
5476 | { cmsSigCalibrationDateTimeTag, { 1, 1, { cmsSigDateTimeType }, NULL((void*)0)}, &SupportedTags[13]}, |
5477 | { cmsSigCharTargetTag, { 1, 1, { cmsSigTextType }, NULL((void*)0)}, &SupportedTags[14]}, |
5478 | |
5479 | { cmsSigChromaticAdaptationTag, { 9, 1, { cmsSigS15Fixed16ArrayType }, NULL((void*)0)}, &SupportedTags[15]}, |
5480 | { cmsSigChromaticityTag, { 1, 1, { cmsSigChromaticityType }, NULL((void*)0)}, &SupportedTags[16]}, |
5481 | { cmsSigColorantOrderTag, { 1, 1, { cmsSigColorantOrderType }, NULL((void*)0)}, &SupportedTags[17]}, |
5482 | { cmsSigColorantTableTag, { 1, 1, { cmsSigColorantTableType }, NULL((void*)0)}, &SupportedTags[18]}, |
5483 | { cmsSigColorantTableOutTag, { 1, 1, { cmsSigColorantTableType }, NULL((void*)0)}, &SupportedTags[19]}, |
5484 | |
5485 | { cmsSigCopyrightTag, { 1, 3, { cmsSigTextType, cmsSigMultiLocalizedUnicodeType, cmsSigTextDescriptionType}, DecideTextType}, &SupportedTags[20]}, |
5486 | { cmsSigDateTimeTag, { 1, 1, { cmsSigDateTimeType }, NULL((void*)0)}, &SupportedTags[21]}, |
5487 | |
5488 | { cmsSigDeviceMfgDescTag, { 1, 3, { cmsSigTextDescriptionType, cmsSigMultiLocalizedUnicodeType, cmsSigTextType}, DecideTextDescType}, &SupportedTags[22]}, |
5489 | { cmsSigDeviceModelDescTag, { 1, 3, { cmsSigTextDescriptionType, cmsSigMultiLocalizedUnicodeType, cmsSigTextType}, DecideTextDescType}, &SupportedTags[23]}, |
5490 | |
5491 | { cmsSigGamutTag, { 1, 3, { cmsSigLut16Type, cmsSigLutBtoAType, cmsSigLut8Type }, DecideLUTtypeB2A}, &SupportedTags[24]}, |
5492 | |
5493 | { cmsSigGrayTRCTag, { 1, 2, { cmsSigCurveType, cmsSigParametricCurveType }, DecideCurveType}, &SupportedTags[25]}, |
5494 | { cmsSigLuminanceTag, { 1, 1, { cmsSigXYZType }, NULL((void*)0)}, &SupportedTags[26]}, |
5495 | |
5496 | { cmsSigMediaBlackPointTag, { 1, 2, { cmsSigXYZType, cmsCorbisBrokenXYZtype((cmsTagTypeSignature) 0x17A505B8) }, NULL((void*)0)}, &SupportedTags[27]}, |
5497 | { cmsSigMediaWhitePointTag, { 1, 2, { cmsSigXYZType, cmsCorbisBrokenXYZtype((cmsTagTypeSignature) 0x17A505B8) }, NULL((void*)0)}, &SupportedTags[28]}, |
5498 | |
5499 | { cmsSigNamedColor2Tag, { 1, 1, { cmsSigNamedColor2Type }, NULL((void*)0)}, &SupportedTags[29]}, |
5500 | |
5501 | { cmsSigPreview0Tag, { 1, 3, { cmsSigLut16Type, cmsSigLutBtoAType, cmsSigLut8Type }, DecideLUTtypeB2A}, &SupportedTags[30]}, |
5502 | { cmsSigPreview1Tag, { 1, 3, { cmsSigLut16Type, cmsSigLutBtoAType, cmsSigLut8Type }, DecideLUTtypeB2A}, &SupportedTags[31]}, |
5503 | { cmsSigPreview2Tag, { 1, 3, { cmsSigLut16Type, cmsSigLutBtoAType, cmsSigLut8Type }, DecideLUTtypeB2A}, &SupportedTags[32]}, |
5504 | |
5505 | { cmsSigProfileDescriptionTag, { 1, 3, { cmsSigTextDescriptionType, cmsSigMultiLocalizedUnicodeType, cmsSigTextType}, DecideTextDescType}, &SupportedTags[33]}, |
5506 | { cmsSigProfileSequenceDescTag, { 1, 1, { cmsSigProfileSequenceDescType }, NULL((void*)0)}, &SupportedTags[34]}, |
5507 | { cmsSigTechnologyTag, { 1, 1, { cmsSigSignatureType }, NULL((void*)0)}, &SupportedTags[35]}, |
5508 | |
5509 | { cmsSigColorimetricIntentImageStateTag, { 1, 1, { cmsSigSignatureType }, NULL((void*)0)}, &SupportedTags[36]}, |
5510 | { cmsSigPerceptualRenderingIntentGamutTag, { 1, 1, { cmsSigSignatureType }, NULL((void*)0)}, &SupportedTags[37]}, |
5511 | { cmsSigSaturationRenderingIntentGamutTag, { 1, 1, { cmsSigSignatureType }, NULL((void*)0)}, &SupportedTags[38]}, |
5512 | |
5513 | { cmsSigMeasurementTag, { 1, 1, { cmsSigMeasurementType }, NULL((void*)0)}, &SupportedTags[39]}, |
5514 | |
5515 | { cmsSigPs2CRD0Tag, { 1, 1, { cmsSigDataType }, NULL((void*)0)}, &SupportedTags[40]}, |
5516 | { cmsSigPs2CRD1Tag, { 1, 1, { cmsSigDataType }, NULL((void*)0)}, &SupportedTags[41]}, |
5517 | { cmsSigPs2CRD2Tag, { 1, 1, { cmsSigDataType }, NULL((void*)0)}, &SupportedTags[42]}, |
5518 | { cmsSigPs2CRD3Tag, { 1, 1, { cmsSigDataType }, NULL((void*)0)}, &SupportedTags[43]}, |
5519 | { cmsSigPs2CSATag, { 1, 1, { cmsSigDataType }, NULL((void*)0)}, &SupportedTags[44]}, |
5520 | { cmsSigPs2RenderingIntentTag, { 1, 1, { cmsSigDataType }, NULL((void*)0)}, &SupportedTags[45]}, |
5521 | |
5522 | { cmsSigViewingCondDescTag, { 1, 3, { cmsSigTextDescriptionType, cmsSigMultiLocalizedUnicodeType, cmsSigTextType}, DecideTextDescType}, &SupportedTags[46]}, |
5523 | |
5524 | { cmsSigUcrBgTag, { 1, 1, { cmsSigUcrBgType}, NULL((void*)0)}, &SupportedTags[47]}, |
5525 | { cmsSigCrdInfoTag, { 1, 1, { cmsSigCrdInfoType}, NULL((void*)0)}, &SupportedTags[48]}, |
5526 | |
5527 | { cmsSigDToB0Tag, { 1, 1, { cmsSigMultiProcessElementType}, NULL((void*)0)}, &SupportedTags[49]}, |
5528 | { cmsSigDToB1Tag, { 1, 1, { cmsSigMultiProcessElementType}, NULL((void*)0)}, &SupportedTags[50]}, |
5529 | { cmsSigDToB2Tag, { 1, 1, { cmsSigMultiProcessElementType}, NULL((void*)0)}, &SupportedTags[51]}, |
5530 | { cmsSigDToB3Tag, { 1, 1, { cmsSigMultiProcessElementType}, NULL((void*)0)}, &SupportedTags[52]}, |
5531 | { cmsSigBToD0Tag, { 1, 1, { cmsSigMultiProcessElementType}, NULL((void*)0)}, &SupportedTags[53]}, |
5532 | { cmsSigBToD1Tag, { 1, 1, { cmsSigMultiProcessElementType}, NULL((void*)0)}, &SupportedTags[54]}, |
5533 | { cmsSigBToD2Tag, { 1, 1, { cmsSigMultiProcessElementType}, NULL((void*)0)}, &SupportedTags[55]}, |
5534 | { cmsSigBToD3Tag, { 1, 1, { cmsSigMultiProcessElementType}, NULL((void*)0)}, &SupportedTags[56]}, |
5535 | |
5536 | { cmsSigScreeningDescTag, { 1, 1, { cmsSigTextDescriptionType }, NULL((void*)0)}, &SupportedTags[57]}, |
5537 | { cmsSigViewingConditionsTag, { 1, 1, { cmsSigViewingConditionsType }, NULL((void*)0)}, &SupportedTags[58]}, |
5538 | |
5539 | { cmsSigScreeningTag, { 1, 1, { cmsSigScreeningType}, NULL((void*)0) }, &SupportedTags[59]}, |
5540 | { cmsSigVcgtTag, { 1, 1, { cmsSigVcgtType}, NULL((void*)0) }, &SupportedTags[60]}, |
5541 | { cmsSigMetaTag, { 1, 1, { cmsSigDictType}, NULL((void*)0) }, &SupportedTags[61]}, |
5542 | { cmsSigProfileSequenceIdTag, { 1, 1, { cmsSigProfileSequenceIdType}, NULL((void*)0) }, &SupportedTags[62]}, |
5543 | |
5544 | { cmsSigProfileDescriptionMLTag,{ 1, 1, { cmsSigMultiLocalizedUnicodeType}, NULL((void*)0)}, &SupportedTags[63]}, |
5545 | { cmsSigArgyllArtsTag, { 9, 1, { cmsSigS15Fixed16ArrayType}, NULL((void*)0)}, NULL((void*)0)} |
5546 | |
5547 | }; |
5548 | |
5549 | /* |
5550 | Not supported Why |
5551 | ======================= ========================================= |
5552 | cmsSigOutputResponseTag ==> WARNING, POSSIBLE PATENT ON THIS SUBJECT! |
5553 | cmsSigNamedColorTag ==> Deprecated |
5554 | cmsSigDataTag ==> Ancient, unused |
5555 | cmsSigDeviceSettingsTag ==> Deprecated, useless |
5556 | */ |
5557 | |
5558 | |
5559 | _cmsTagPluginChunkType _cmsTagPluginChunk = { NULL((void*)0) }; |
5560 | |
5561 | |
5562 | // Duplicates the zone of memory used by the plug-in in the new context |
5563 | static |
5564 | void DupTagList(struct _cmsContext_struct* ctx, |
5565 | const struct _cmsContext_struct* src) |
5566 | { |
5567 | _cmsTagPluginChunkType newHead = { NULL((void*)0) }; |
5568 | _cmsTagLinkedList* entry; |
5569 | _cmsTagLinkedList* Anterior = NULL((void*)0); |
5570 | _cmsTagPluginChunkType* head = (_cmsTagPluginChunkType*) src->chunks[TagPlugin]; |
5571 | |
5572 | // Walk the list copying all nodes |
5573 | for (entry = head->Tag; |
5574 | entry != NULL((void*)0); |
5575 | entry = entry ->Next) { |
5576 | |
5577 | _cmsTagLinkedList *newEntry = ( _cmsTagLinkedList *) _cmsSubAllocDup(ctx ->MemPool, entry, sizeof(_cmsTagLinkedList)); |
5578 | |
5579 | if (newEntry == NULL((void*)0)) |
5580 | return; |
5581 | |
5582 | // We want to keep the linked list order, so this is a little bit tricky |
5583 | newEntry -> Next = NULL((void*)0); |
5584 | if (Anterior) |
5585 | Anterior -> Next = newEntry; |
5586 | |
5587 | Anterior = newEntry; |
5588 | |
5589 | if (newHead.Tag == NULL((void*)0)) |
5590 | newHead.Tag = newEntry; |
5591 | } |
5592 | |
5593 | ctx ->chunks[TagPlugin] = _cmsSubAllocDup(ctx->MemPool, &newHead, sizeof(_cmsTagPluginChunkType)); |
5594 | } |
5595 | |
5596 | void _cmsAllocTagPluginChunk(struct _cmsContext_struct* ctx, |
5597 | const struct _cmsContext_struct* src) |
5598 | { |
5599 | if (src != NULL((void*)0)) { |
5600 | |
5601 | DupTagList(ctx, src); |
5602 | } |
5603 | else { |
5604 | static _cmsTagPluginChunkType TagPluginChunk = { NULL((void*)0) }; |
5605 | ctx ->chunks[TagPlugin] = _cmsSubAllocDup(ctx ->MemPool, &TagPluginChunk, sizeof(_cmsTagPluginChunkType)); |
5606 | } |
5607 | |
5608 | } |
5609 | |
5610 | cmsBool _cmsRegisterTagPlugin(cmsContext id, cmsPluginBase* Data) |
5611 | { |
5612 | cmsPluginTag* Plugin = (cmsPluginTag*) Data; |
5613 | _cmsTagLinkedList *pt; |
5614 | _cmsTagPluginChunkType* TagPluginChunk = ( _cmsTagPluginChunkType*) _cmsContextGetClientChunk(id, TagPlugin); |
5615 | |
5616 | if (Data == NULL((void*)0)) { |
5617 | |
5618 | TagPluginChunk->Tag = NULL((void*)0); |
5619 | return TRUE1; |
5620 | } |
5621 | |
5622 | pt = (_cmsTagLinkedList*) _cmsPluginMalloc(id, sizeof(_cmsTagLinkedList)); |
5623 | if (pt == NULL((void*)0)) return FALSE0; |
5624 | |
5625 | pt ->Signature = Plugin ->Signature; |
5626 | pt ->Descriptor = Plugin ->Descriptor; |
5627 | pt ->Next = TagPluginChunk ->Tag; |
5628 | |
5629 | TagPluginChunk ->Tag = pt; |
5630 | |
5631 | return TRUE1; |
5632 | } |
5633 | |
5634 | // Return a descriptor for a given tag or NULL |
5635 | cmsTagDescriptor* _cmsGetTagDescriptor(cmsContext ContextID, cmsTagSignature sig) |
5636 | { |
5637 | _cmsTagLinkedList* pt; |
5638 | _cmsTagPluginChunkType* TagPluginChunk = ( _cmsTagPluginChunkType*) _cmsContextGetClientChunk(ContextID, TagPlugin); |
5639 | |
5640 | for (pt = TagPluginChunk->Tag; |
5641 | pt != NULL((void*)0); |
5642 | pt = pt ->Next) { |
5643 | |
5644 | if (sig == pt -> Signature) return &pt ->Descriptor; |
5645 | } |
5646 | |
5647 | for (pt = SupportedTags; |
5648 | pt != NULL((void*)0); |
5649 | pt = pt ->Next) { |
5650 | |
5651 | if (sig == pt -> Signature) return &pt ->Descriptor; |
5652 | } |
5653 | |
5654 | return NULL((void*)0); |
5655 | } |
5656 |