JasPer: jas_cm.h Source File

JasPer 2.0.33 |

jas_cm.h
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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) 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 /* The configuration header file should be included first. */
71 #include <jasper/jas_config.h>
72
73 #include <jasper/jas_icc.h>
74
75 #ifdef __cplusplus
76 extern "C" {
77 #endif
78
79 typedef unsigned jas_clrspc_t;
80
81 /* transform operations */
82 typedef enum {
83 JAS_CMXFORM_OP_FWD = 0,
84 JAS_CMXFORM_OP_REV = 1,
85 JAS_CMXFORM_OP_PROOF = 2,
86 JAS_CMXFORM_OP_GAMUT = 3,
87 } jas_cmxform_op_t;
88
89 /* rendering intents */
90 typedef enum {
91 JAS_CMXFORM_INTENT_PER = 0,
92 JAS_CMXFORM_INTENT_RELCLR = 1,
93 JAS_CMXFORM_INTENT_ABSCLR = 2,
94 JAS_CMXFORM_INTENT_SAT = 3,
95 } jas_cmxform_intent_t;
96
97 #define JAS_CMXFORM_NUMINTENTS 4
98
99 typedef enum {
100 JAS_CMXFORM_OPTM_SPEED = 0,
101 JAS_CMXFORM_OPTM_SIZE = 1,
102 JAS_CMXFORM_OPTM_ACC = 2,
103 } jas_cmxform_optm_t;
104
105
106 #define jas_clrspc_create(fam, mbr) (((fam) << 8) | (mbr))
107 #define jas_clrspc_fam(clrspc) ((clrspc) >> 8)
108 #define jas_clrspc_mbr(clrspc) ((clrspc) & 0xff)
109 #define jas_clrspc_isgeneric(clrspc) (!jas_clrspc_mbr(clrspc))
110 #define jas_clrspc_isunknown(clrspc) ((clrspc) & JAS_CLRSPC_UNKNOWNMASK)
111
112 #define JAS_CLRSPC_UNKNOWNMASK 0x4000
113
114 /* color space families */
115 #define JAS_CLRSPC_FAM_UNKNOWN 0
116 #define JAS_CLRSPC_FAM_XYZ 1
117 #define JAS_CLRSPC_FAM_LAB 2
118 #define JAS_CLRSPC_FAM_GRAY 3
119 #define JAS_CLRSPC_FAM_RGB 4
120 #define JAS_CLRSPC_FAM_YCBCR 5
121
122 /* specific color spaces */
123 #define JAS_CLRSPC_UNKNOWN JAS_CLRSPC_UNKNOWNMASK
124 #define JAS_CLRSPC_CIEXYZ jas_clrspc_create(JAS_CLRSPC_FAM_XYZ, 1)
125 #define JAS_CLRSPC_CIELAB jas_clrspc_create(JAS_CLRSPC_FAM_LAB, 1)
126 #define JAS_CLRSPC_SGRAY jas_clrspc_create(JAS_CLRSPC_FAM_GRAY, 1)
127 #define JAS_CLRSPC_SRGB jas_clrspc_create(JAS_CLRSPC_FAM_RGB, 1)
128 #define JAS_CLRSPC_SYCBCR jas_clrspc_create(JAS_CLRSPC_FAM_YCBCR, 1)
129
130 /* generic color spaces */
131 #define JAS_CLRSPC_GENRGB jas_clrspc_create(JAS_CLRSPC_FAM_RGB, 0)
132 #define JAS_CLRSPC_GENGRAY jas_clrspc_create(JAS_CLRSPC_FAM_GRAY, 0)
133 #define JAS_CLRSPC_GENYCBCR jas_clrspc_create(JAS_CLRSPC_FAM_YCBCR, 0)
134
135 #define JAS_CLRSPC_CHANIND_YCBCR_Y 0
136 #define JAS_CLRSPC_CHANIND_YCBCR_CB 1
137 #define JAS_CLRSPC_CHANIND_YCBCR_CR 2
138
139 #define JAS_CLRSPC_CHANIND_RGB_R 0
140 #define JAS_CLRSPC_CHANIND_RGB_G 1
141 #define JAS_CLRSPC_CHANIND_RGB_B 2
142
143 #define JAS_CLRSPC_CHANIND_GRAY_Y 0
144
145 typedef double jas_cmreal_t;
146
147 struct jas_cmpxform_s;
148
149 typedef struct {
150 long *buf;
151 unsigned prec;
152 int sgnd;
153 unsigned width;
154 unsigned height;
155 } jas_cmcmptfmt_t;
156
157 typedef struct {
158 unsigned numcmpts;
159 jas_cmcmptfmt_t *cmptfmts;
160 } jas_cmpixmap_t;
161
162 typedef struct {
163 void (*destroy)(struct jas_cmpxform_s *pxform);
164 int (*apply)(const struct jas_cmpxform_s *pxform, const jas_cmreal_t *in, jas_cmreal_t *out, unsigned cnt);
165 void (*dump)(struct jas_cmpxform_s *pxform);
166 } jas_cmpxformops_t;
167
168 typedef struct {
169 jas_cmreal_t *data;
170 unsigned size;
171 } jas_cmshapmatlut_t;
172
173 typedef struct {
174 int mono;
175 int order;
176 int useluts;
177 int usemat;
178 jas_cmshapmatlut_t luts[3];
179 jas_cmreal_t mat[3][4];
180 } jas_cmshapmat_t;
181
182 typedef struct {
183 int order;
184 } jas_cmshaplut_t;
185
186 typedef struct {
187 unsigned inclrspc;
188 unsigned outclrspc;
189 } jas_cmclrspcconv_t;
190
191 #define jas_align_t double
192
193 typedef struct jas_cmpxform_s {
194 unsigned refcnt;
195 const jas_cmpxformops_t *ops;
196 unsigned numinchans;
197 unsigned numoutchans;
198 union {
199 jas_align_t dummy;
200 jas_cmshapmat_t shapmat;
201 jas_cmshaplut_t shaplut;
202 jas_cmclrspcconv_t clrspcconv;
203 } data;
204 } jas_cmpxform_t;
205
206 typedef struct {
207 unsigned numpxforms;
208 unsigned maxpxforms;
209 jas_cmpxform_t **pxforms;
210 } jas_cmpxformseq_t;
211
212 typedef struct {
213 unsigned numinchans;
214 unsigned numoutchans;
215 jas_cmpxformseq_t *pxformseq;
216 } jas_cmxform_t;
217
218 #define JAS_CMPROF_TYPE_DEV 1
219 #define JAS_CMPROF_TYPE_CLRSPC 2
220
221 #define JAS_CMPROF_NUMPXFORMSEQS 13
222
223 typedef struct {
224 jas_clrspc_t clrspc;
225 unsigned numchans;
226 unsigned refclrspc;
227 unsigned numrefchans;
228 jas_iccprof_t *iccprof;
229 jas_cmpxformseq_t *pxformseqs[JAS_CMPROF_NUMPXFORMSEQS];
230 } jas_cmprof_t;
231
232 #if 0
233 typedef int_fast32_t jas_cmattrname_t;
234 typedef int_fast32_t jas_cmattrval_t;
235 typedef int_fast32_t jas_cmattrtype_t;
236 /* Load a profile. */
237 int jas_cmprof_load(jas_cmprof_t *prof, jas_stream_t *in, unsigned fmt);
238 /* Save a profile. */
239 int jas_cmprof_save(jas_cmprof_t *prof, jas_stream_t *out, unsigned fmt);
240 /* Set an attribute of a profile. */
241 int jas_cm_prof_setattr(jas_cm_prof_t *prof, jas_cm_attrname_t name, void *val);
242 /* Get an attribute of a profile. */
243 void *jas_cm_prof_getattr(jas_cm_prof_t *prof, jas_cm_attrname_t name);
244 #endif
245
246 JAS_DLLEXPORT jas_cmxform_t *jas_cmxform_create(const jas_cmprof_t *inprof, const jas_cmprof_t *outprof,
247 const jas_cmprof_t *proofprof, jas_cmxform_op_t op, jas_cmxform_intent_t intent, jas_cmxform_optm_t optimize);
248
249 JAS_DLLEXPORT void jas_cmxform_destroy(jas_cmxform_t *xform);
250
251 /* Apply a transform to data. */
252 JAS_DLLEXPORT int jas_cmxform_apply(const jas_cmxform_t *xform, const jas_cmpixmap_t *in,
253 jas_cmpixmap_t *out);
254
255 /* Create a profile. */
256 JAS_DLLEXPORT jas_cmprof_t *jas_cmprof_createfromiccprof(const jas_iccprof_t *iccprof);
257 JAS_DLLEXPORT jas_cmprof_t *jas_cmprof_createfromclrspc(jas_clrspc_t clrspc);
258
259 /* Destroy a profile. */
260 JAS_DLLEXPORT void jas_cmprof_destroy(jas_cmprof_t *prof);
261
262 unsigned jas_clrspc_numchans(jas_clrspc_t clrspc);
263 JAS_DLLEXPORT jas_iccprof_t *jas_iccprof_createfromcmprof(const jas_cmprof_t *prof);
264
265 #define jas_cmprof_clrspc(prof) ((prof)->clrspc)
266 JAS_DLLEXPORT jas_cmprof_t *jas_cmprof_copy(const jas_cmprof_t *prof);
267
268 #ifdef __cplusplus
269 }
270 #endif
271
272 #endif
jas_icc.h
ICC Profile.