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jas_cm.h (8102B)
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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) 1999-2000 Image Power, Inc.
11 * Copyright (c) 1999-2000 The University of British Columbia
12 * Copyright (c) 2001-2003 Michael David Adams
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
62 /*
63 * Color Management
64 *
65 * $Id: jas_cm.h 1918 2005-07-24 14:12:08Z baford $
66 */
67
68 #ifndef JAS_CM_H
69 #define JAS_CM_H
70
71 #include <jasper/jas_config.h>
72 #include <jasper/jas_icc.h>
73
74 #ifdef __cplusplus
75 extern "C" {
76 #endif
77
78 typedef int jas_clrspc_t;
79
80 /* transform operations */
81 #define JAS_CMXFORM_OP_FWD 0
82 #define JAS_CMXFORM_OP_REV 1
83 #define JAS_CMXFORM_OP_PROOF 2
84 #define JAS_CMXFORM_OP_GAMUT 3
85
86 /* rendering intents */
87 #define JAS_CMXFORM_INTENT_PER 0
88 #define JAS_CMXFORM_INTENT_RELCLR 1
89 #define JAS_CMXFORM_INTENT_ABSCLR 2
90 #define JAS_CMXFORM_INTENT_SAT 3
91 #define JAS_CMXFORM_NUMINTENTS 4
92
93 #define JAS_CMXFORM_OPTM_SPEED 0
94 #define JAS_CMXFORM_OPTM_SIZE 1
95 #define JAS_CMXFORM_OPTM_ACC 2
96
97
98 #define jas_clrspc_create(fam, mbr) (((fam) << 8) | (mbr))
99 #define jas_clrspc_fam(clrspc) ((clrspc) >> 8)
100 #define jas_clrspc_mbr(clrspc) ((clrspc) & 0xff)
101 #define jas_clrspc_isgeneric(clrspc) (!jas_clrspc_mbr(clrspc))
102 #define jas_clrspc_isunknown(clrspc) ((clrspc) & JAS_CLRSPC_UNKNOWNMASK)
103
104 #define JAS_CLRSPC_UNKNOWNMASK 0x4000
105
106 /* color space families */
107 #define JAS_CLRSPC_FAM_UNKNOWN 0
108 #define JAS_CLRSPC_FAM_XYZ 1
109 #define JAS_CLRSPC_FAM_LAB 2
110 #define JAS_CLRSPC_FAM_GRAY 3
111 #define JAS_CLRSPC_FAM_RGB 4
112 #define JAS_CLRSPC_FAM_YCBCR 5
113
114 /* specific color spaces */
115 #define JAS_CLRSPC_UNKNOWN JAS_CLRSPC_UNKNOWNMASK
116 #define JAS_CLRSPC_CIEXYZ jas_clrspc_create(JAS_CLRSPC_FAM_XYZ, 1)
117 #define JAS_CLRSPC_CIELAB jas_clrspc_create(JAS_CLRSPC_FAM_LAB, 1)
118 #define JAS_CLRSPC_SGRAY jas_clrspc_create(JAS_CLRSPC_FAM_GRAY, 1)
119 #define JAS_CLRSPC_SRGB jas_clrspc_create(JAS_CLRSPC_FAM_RGB, 1)
120 #define JAS_CLRSPC_SYCBCR jas_clrspc_create(JAS_CLRSPC_FAM_YCBCR, 1)
121
122 /* generic color spaces */
123 #define JAS_CLRSPC_GENRGB jas_clrspc_create(JAS_CLRSPC_FAM_RGB, 0)
124 #define JAS_CLRSPC_GENGRAY jas_clrspc_create(JAS_CLRSPC_FAM_GRAY, 0)
125 #define JAS_CLRSPC_GENYCBCR jas_clrspc_create(JAS_CLRSPC_FAM_YCBCR, 0)
126
127 #define JAS_CLRSPC_CHANIND_YCBCR_Y 0
128 #define JAS_CLRSPC_CHANIND_YCBCR_CB 1
129 #define JAS_CLRSPC_CHANIND_YCBCR_CR 2
130
131 #define JAS_CLRSPC_CHANIND_RGB_R 0
132 #define JAS_CLRSPC_CHANIND_RGB_G 1
133 #define JAS_CLRSPC_CHANIND_RGB_B 2
134
135 #define JAS_CLRSPC_CHANIND_GRAY_Y 0
136
137 typedef double jas_cmreal_t;
138
139 struct jas_cmpxform_s;
140
141 typedef struct {
142 long *buf;
143 int prec;
144 int sgnd;
145 int width;
146 int height;
147 } jas_cmcmptfmt_t;
148
149 typedef struct {
150 int numcmpts;
151 jas_cmcmptfmt_t *cmptfmts;
152 } jas_cmpixmap_t;
153
154 typedef struct {
155 void (*destroy)(struct jas_cmpxform_s *pxform);
156 int (*apply)(struct jas_cmpxform_s *pxform, jas_cmreal_t *in, jas_cmreal_t *out, int cnt);
157 void (*dump)(struct jas_cmpxform_s *pxform);
158 } jas_cmpxformops_t;
159
160 typedef struct {
161 jas_cmreal_t *data;
162 int size;
163 } jas_cmshapmatlut_t;
164
165 typedef struct {
166 int mono;
167 int order;
168 int useluts;
169 int usemat;
170 jas_cmshapmatlut_t luts[3];
171 jas_cmreal_t mat[3][4];
172 } jas_cmshapmat_t;
173
174 typedef struct {
175 int order;
176 } jas_cmshaplut_t;
177
178 typedef struct {
179 int inclrspc;
180 int outclrspc;
181 } jas_cmclrspcconv_t;
182
183 #define jas_align_t double
184
185 typedef struct jas_cmpxform_s {
186 int refcnt;
187 jas_cmpxformops_t *ops;
188 int numinchans;
189 int numoutchans;
190 union {
191 jas_align_t dummy;
192 jas_cmshapmat_t shapmat;
193 jas_cmshaplut_t shaplut;
194 jas_cmclrspcconv_t clrspcconv;
195 } data;
196 } jas_cmpxform_t;
197
198 typedef struct {
199 int numpxforms;
200 int maxpxforms;
201 jas_cmpxform_t **pxforms;
202 } jas_cmpxformseq_t;
203
204 typedef struct {
205 int numinchans;
206 int numoutchans;
207 jas_cmpxformseq_t *pxformseq;
208 } jas_cmxform_t;
209
210 #define JAS_CMPROF_TYPE_DEV 1
211 #define JAS_CMPROF_TYPE_CLRSPC 2
212
213 #define JAS_CMPROF_NUMPXFORMSEQS 13
214
215 typedef struct {
216 int clrspc;
217 int numchans;
218 int refclrspc;
219 int numrefchans;
220 jas_iccprof_t *iccprof;
221 jas_cmpxformseq_t *pxformseqs[JAS_CMPROF_NUMPXFORMSEQS];
222 } jas_cmprof_t;
223
224 /* Create a profile. */
225
226 /* Destroy a profile. */
227 void jas_cmprof_destroy(jas_cmprof_t *prof);
228
229 #if 0
230 typedef int_fast32_t jas_cmattrname_t;
231 typedef int_fast32_t jas_cmattrval_t;
232 typedef int_fast32_t jas_cmattrtype_t;
233 /* Load a profile. */
234 int jas_cmprof_load(jas_cmprof_t *prof, jas_stream_t *in, int fmt);
235 /* Save a profile. */
236 int jas_cmprof_save(jas_cmprof_t *prof, jas_stream_t *out, int fmt);
237 /* Set an attribute of a profile. */
238 int jas_cm_prof_setattr(jas_cm_prof_t *prof, jas_cm_attrname_t name, void *val);
239 /* Get an attribute of a profile. */
240 void *jas_cm_prof_getattr(jas_cm_prof_t *prof, jas_cm_attrname_t name);
241 #endif
242
243 jas_cmxform_t *jas_cmxform_create(jas_cmprof_t *inprof, jas_cmprof_t *outprof,
244 jas_cmprof_t *proofprof, int op, int intent, int optimize);
245
246 void jas_cmxform_destroy(jas_cmxform_t *xform);
247
248 /* Apply a transform to data. */
249 int jas_cmxform_apply(jas_cmxform_t *xform, jas_cmpixmap_t *in,
250 jas_cmpixmap_t *out);
251
252 int jas_cxform_optimize(jas_cmxform_t *xform, int optimize);
253
254 int jas_clrspc_numchans(int clrspc);
255 jas_cmprof_t *jas_cmprof_createfromiccprof(jas_iccprof_t *iccprof);
256 jas_cmprof_t *jas_cmprof_createfromclrspc(int clrspc);
257 jas_iccprof_t *jas_iccprof_createfromcmprof(jas_cmprof_t *prof);
258
259 #define jas_cmprof_clrspc(prof) ((prof)->clrspc)
260 jas_cmprof_t *jas_cmprof_copy(jas_cmprof_t *prof);
261
262 #ifdef __cplusplus
263 }
264 #endif
265
266 #endif