JasPer: jas_cm.h Source File

JasPer 4.2.0 |

Loading...
Searching...
No Matches
jas_cm.h
Go to the documentation of this file.
1/*
2 * Copyright (c) 2002-2003 Michael David Adams.
3 * All rights reserved.
4 */
5
6/* __START_OF_JASPER_LICENSE__
7 *
8 * JasPer License Version 2.0
9 *
10 * Copyright (c) 2001-2006 Michael David Adams
11 * Copyright (c) 1999-2000 Image Power, Inc.
12 * Copyright (c) 1999-2000 The University of British Columbia
13 *
14 * All rights reserved.
15 *
16 * Permission is hereby granted, free of charge, to any person (the
17 * "User") obtaining a copy of this software and associated documentation
18 * files (the "Software"), to deal in the Software without restriction,
19 * including without limitation the rights to use, copy, modify, merge,
20 * publish, distribute, and/or sell copies of the Software, and to permit
21 * persons to whom the Software is furnished to do so, subject to the
22 * following conditions:
23 *
24 * 1. The above copyright notices and this permission notice (which
25 * includes the disclaimer below) shall be included in all copies or
26 * substantial portions of the Software.
27 *
28 * 2. The name of a copyright holder shall not be used to endorse or
29 * promote products derived from the Software without specific prior
30 * written permission.
31 *
32 * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
33 * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
34 * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
35 * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
36 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
37 * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
38 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
39 * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
40 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
41 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
42 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE
43 * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
44 * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
45 * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
46 * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
47 * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
48 * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
49 * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
50 * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
51 * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
52 * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
53 * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
54 * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
55 * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
56 * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
57 * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
58 *
59 * __END_OF_JASPER_LICENSE__
60 */
61
67#ifndef JAS_CM_H
68#define JAS_CM_H
69
70/******************************************************************************\
71*
72\******************************************************************************/
73
74/* The configuration header file should be included first. */
75#include <jasper/jas_config.h>
76
77#include <jasper/jas_types.h>
78#include <jasper/jas_icc.h>
79
80#ifdef __cplusplus
81extern "C" {
82#endif
83
89/******************************************************************************\
90* Types and Macros.
91\******************************************************************************/
92
97 typedef unsigned jas_clrspc_t;
98
103 typedef enum {
104 JAS_CMXFORM_OP_FWD = 0,
105 JAS_CMXFORM_OP_REV = 1,
106 JAS_CMXFORM_OP_PROOF = 2,
107 JAS_CMXFORM_OP_GAMUT = 3,
108} jas_cmxform_op_t;
109
114 typedef enum {
115 JAS_CMXFORM_INTENT_PER = 0,
116 JAS_CMXFORM_INTENT_RELCLR = 1,
117 JAS_CMXFORM_INTENT_ABSCLR = 2,
118 JAS_CMXFORM_INTENT_SAT = 3,
119} jas_cmxform_intent_t;
120
125#define JAS_CMXFORM_NUMINTENTS 4
126
131 typedef enum {
132 JAS_CMXFORM_OPTM_SPEED = 0,
133 JAS_CMXFORM_OPTM_SIZE = 1,
134 JAS_CMXFORM_OPTM_ACC = 2,
135} jas_cmxform_optm_t;
136
141#define jas_clrspc_create(fam, mbr) (((fam) << 8) | (mbr))
142
148#define jas_clrspc_fam(clrspc) ((clrspc) >> 8)
149
154#define jas_clrspc_mbr(clrspc) ((clrspc) & 0xff)
155
160#define jas_clrspc_isgeneric(clrspc) (!jas_clrspc_mbr(clrspc))
161
166#define jas_clrspc_isunknown(clrspc) ((clrspc) & JAS_CLRSPC_UNKNOWNMASK)
167
168#define JAS_CLRSPC_UNKNOWNMASK 0x4000
169
173#define JAS_CLRSPC_FAM_UNKNOWN 0
174#define JAS_CLRSPC_FAM_XYZ 1
175#define JAS_CLRSPC_FAM_LAB 2
176#define JAS_CLRSPC_FAM_GRAY 3
177#define JAS_CLRSPC_FAM_RGB 4
178#define JAS_CLRSPC_FAM_YCBCR 5
179
183#define JAS_CLRSPC_UNKNOWN JAS_CLRSPC_UNKNOWNMASK
184#define JAS_CLRSPC_CIEXYZ jas_clrspc_create(JAS_CLRSPC_FAM_XYZ, 1)
185#define JAS_CLRSPC_CIELAB jas_clrspc_create(JAS_CLRSPC_FAM_LAB, 1)
186#define JAS_CLRSPC_SGRAY jas_clrspc_create(JAS_CLRSPC_FAM_GRAY, 1)
187#define JAS_CLRSPC_SRGB jas_clrspc_create(JAS_CLRSPC_FAM_RGB, 1)
188#define JAS_CLRSPC_SYCBCR jas_clrspc_create(JAS_CLRSPC_FAM_YCBCR, 1)
189
193#define JAS_CLRSPC_GENRGB jas_clrspc_create(JAS_CLRSPC_FAM_RGB, 0)
194#define JAS_CLRSPC_GENGRAY jas_clrspc_create(JAS_CLRSPC_FAM_GRAY, 0)
195#define JAS_CLRSPC_GENYCBCR jas_clrspc_create(JAS_CLRSPC_FAM_YCBCR, 0)
196
197#define JAS_CLRSPC_CHANIND_YCBCR_Y 0
198#define JAS_CLRSPC_CHANIND_YCBCR_CB 1
199#define JAS_CLRSPC_CHANIND_YCBCR_CR 2
200
201#define JAS_CLRSPC_CHANIND_RGB_R 0
202#define JAS_CLRSPC_CHANIND_RGB_G 1
203#define JAS_CLRSPC_CHANIND_RGB_B 2
204
205#define JAS_CLRSPC_CHANIND_GRAY_Y 0
206
210 typedef double jas_cmreal_t;
211
212struct jas_cmpxform_s;
213
218 typedef struct {
219 long *buf;
220 unsigned prec;
221 int sgnd;
222 unsigned width;
223 unsigned height;
224} jas_cmcmptfmt_t;
225
230 typedef struct {
231 unsigned numcmpts;
232 jas_cmcmptfmt_t *cmptfmts;
233} jas_cmpixmap_t;
234
239 typedef struct {
240 void (*destroy)(struct jas_cmpxform_s *pxform);
241 int (*apply)(const struct jas_cmpxform_s *pxform, const jas_cmreal_t *in, jas_cmreal_t *out, unsigned cnt);
242 void (*dump)(struct jas_cmpxform_s *pxform);
243} jas_cmpxformops_t;
244
249 typedef struct {
250 jas_cmreal_t *data;
251 unsigned size;
252} jas_cmshapmatlut_t;
253
258 typedef struct {
259 int mono;
260 int order;
261 int useluts;
262 int usemat;
263 jas_cmshapmatlut_t luts[3];
264 jas_cmreal_t mat[3][4];
265} jas_cmshapmat_t;
266
271 typedef struct {
272 int order;
273} jas_cmshaplut_t;
274
279 typedef struct {
280 unsigned inclrspc;
281 unsigned outclrspc;
282} jas_cmclrspcconv_t;
283
288 typedef struct jas_cmpxform_s {
289 unsigned refcnt;
290 const jas_cmpxformops_t *ops;
291 unsigned numinchans;
292 unsigned numoutchans;
293 union {
294 max_align_t dummy;
295 jas_cmshapmat_t shapmat;
296 jas_cmshaplut_t shaplut;
297 jas_cmclrspcconv_t clrspcconv;
298 } data;
299} jas_cmpxform_t;
300
305 typedef struct {
306 unsigned numpxforms;
307 unsigned maxpxforms;
308 jas_cmpxform_t **pxforms;
309} jas_cmpxformseq_t;
310
315 typedef struct {
316 unsigned numinchans;
317 unsigned numoutchans;
318 jas_cmpxformseq_t *pxformseq;
319} jas_cmxform_t;
320
321#define JAS_CMPROF_TYPE_DEV 1
322#define JAS_CMPROF_TYPE_CLRSPC 2
323
324#define JAS_CMPROF_NUMPXFORMSEQS 13
325
329 typedef struct {
330 jas_clrspc_t clrspc;
331 unsigned numchans;
332 unsigned refclrspc;
333 unsigned numrefchans;
334 jas_iccprof_t *iccprof;
335 jas_cmpxformseq_t *pxformseqs[JAS_CMPROF_NUMPXFORMSEQS];
336} jas_cmprof_t;
337
338/******************************************************************************\
339*
340\******************************************************************************/
341
342#if 0
343typedef int_fast32_t jas_cmattrname_t;
344typedef int_fast32_t jas_cmattrval_t;
345typedef int_fast32_t jas_cmattrtype_t;
346/* Load a profile. */
347int jas_cmprof_load(jas_cmprof_t *prof, jas_stream_t *in, unsigned fmt);
348/* Save a profile. */
349int jas_cmprof_save(jas_cmprof_t *prof, jas_stream_t *out, unsigned fmt);
350/* Set an attribute of a profile. */
351int jas_cm_prof_setattr(jas_cm_prof_t *prof, jas_cm_attrname_t name, void *val);
352/* Get an attribute of a profile. */
353void *jas_cm_prof_getattr(jas_cm_prof_t *prof, jas_cm_attrname_t name);
354#endif
355
356/******************************************************************************\
357* Color-management (CM) profile class.
358\******************************************************************************/
359
371JAS_EXPORT
372 jas_cmprof_t *jas_cmprof_createfromiccprof(const jas_iccprof_t *iccprof);
373
385JAS_EXPORT
386 jas_cmprof_t *jas_cmprof_createfromclrspc(jas_clrspc_t clrspc);
387
393JAS_EXPORT
394void jas_cmprof_destroy(jas_cmprof_t *prof);
395
407JAS_EXPORT
408 jas_cmprof_t *jas_cmprof_copy(const jas_cmprof_t *prof);
409
421JAS_EXPORT
422jas_iccprof_t *jas_iccprof_createfromcmprof(const jas_cmprof_t *prof);
423
424/******************************************************************************\
425* Color-Management (CM) Transform.
426\******************************************************************************/
427
438JAS_EXPORT
439 jas_cmxform_t *jas_cmxform_create(const jas_cmprof_t *inprof,
440 const jas_cmprof_t *outprof, const jas_cmprof_t *proofprof,
441 jas_cmxform_op_t op, jas_cmxform_intent_t intent,
442 jas_cmxform_optm_t optimize);
443
450JAS_EXPORT
451void jas_cmxform_destroy(jas_cmxform_t *xform);
452
463JAS_EXPORT
464int jas_cmxform_apply(const jas_cmxform_t *xform, const jas_cmpixmap_t *in,
465 jas_cmpixmap_t *out);
466
467/******************************************************************************\
468* Miscellany.
469\******************************************************************************/
470
479unsigned jas_clrspc_numchans(jas_clrspc_t clrspc);
480
489#define jas_cmprof_clrspc(prof) ((prof)->clrspc)
490
495#ifdef __cplusplus
496}
497#endif
498
499#endif
jas_cmxform_create
JAS_EXPORT jas_cmxform_t * jas_cmxform_create(const jas_cmprof_t *inprof, const jas_cmprof_t *outprof, const jas_cmprof_t *proofprof, jas_cmxform_op_t op, jas_cmxform_intent_t intent, jas_cmxform_optm_t optimize)
Create a transform from a CM profile.
Definition jas_cm.c:437
jas_cmxform_optm_t
jas_cmxform_optm_t
Transform optimization.
Definition jas_cm.h:131
jas_clrspc_t
unsigned jas_clrspc_t
Color space.
Definition jas_cm.h:97
jas_clrspc_numchans
unsigned jas_clrspc_numchans(jas_clrspc_t clrspc)
Get the number of channels associated with a particular color space.
Definition jas_cm.c:1410
jas_cmprof_createfromiccprof
JAS_EXPORT jas_cmprof_t * jas_cmprof_createfromiccprof(const jas_iccprof_t *iccprof)
Create a color-management profile from an ICC profile.
Definition jas_cm.c:291
jas_cmreal_t
double jas_cmreal_t
Definition jas_cm.h:210
jas_cmxform_destroy
JAS_EXPORT void jas_cmxform_destroy(jas_cmxform_t *xform)
Destroy a transform.
Definition jas_cm.c:661
jas_iccprof_createfromcmprof
JAS_EXPORT jas_iccprof_t * jas_iccprof_createfromcmprof(const jas_cmprof_t *prof)
Create a ICC profile from a CM profile.
Definition jas_cm.c:1425
jas_cmxform_intent_t
jas_cmxform_intent_t
Rendering intents.
Definition jas_cm.h:114
jas_cmxform_op_t
jas_cmxform_op_t
Transform operations.
Definition jas_cm.h:103
jas_cmprof_createfromclrspc
JAS_EXPORT jas_cmprof_t * jas_cmprof_createfromclrspc(jas_clrspc_t clrspc)
Create a color-management profile from a color space.
Definition jas_cm.c:169
jas_cmprof_copy
JAS_EXPORT jas_cmprof_t * jas_cmprof_copy(const jas_cmprof_t *prof)
Copy a color-management profile.
Definition jas_cm.c:407
jas_cmpxform_t
struct jas_cmpxform_s jas_cmpxform_t
Transform class.
jas_cmxform_apply
JAS_EXPORT int jas_cmxform_apply(const jas_cmxform_t *xform, const jas_cmpixmap_t *in, jas_cmpixmap_t *out)
Apply a transform to data.
Definition jas_cm.c:552
jas_cmprof_destroy
JAS_EXPORT void jas_cmprof_destroy(jas_cmprof_t *prof)
Destroy a color-management profile.
Definition jas_cm.c:393
jas_icc.h
ICC Profile.
jas_types.h
Primitive Types.
jas_cmclrspcconv_t
Color space conversion.
Definition jas_cm.h:279
jas_cmcmptfmt_t
Component format.
Definition jas_cm.h:218
jas_cmpixmap_t
Pixmap (i.e., multicomponent) format.
Definition jas_cm.h:230
jas_cmprof_t
Definition jas_cm.h:329
jas_cmpxform_s
Transform class.
Definition jas_cm.h:288
jas_cmpxformops_t
Transform operations.
Definition jas_cm.h:239
jas_cmpxformseq_t
Primitive transform sequence class.
Definition jas_cm.h:305
jas_cmshaplut_t
Shaper look-up table (LUT).
Definition jas_cm.h:271
jas_cmshapmat_t
Shaper matrix.
Definition jas_cm.h:258
jas_cmshapmatlut_t
Shaper matrix look-up table (LUT).
Definition jas_cm.h:249
jas_cmxform_t
Primitive transform class.
Definition jas_cm.h:315
jas_stream_t
I/O stream object.
Definition jas_stream.h:206