jas_cm.h
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 
62 /*
63  * Color Management
64  *
65  * $Id$
66  */
67 
68 #ifndef JAS_CM_H
69 #define JAS_CM_H
70 
71 /* The configuration header file should be included first. */
72 #include <jasper/jas_config.h>
73 
74 #include <jasper/jas_icc.h>
75 
76 #ifdef __cplusplus
77 extern "C" {
78 #endif
79 
80 typedef int jas_clrspc_t;
81 
82 /* transform operations */
83 #define JAS_CMXFORM_OP_FWD 0
84 #define JAS_CMXFORM_OP_REV 1
85 #define JAS_CMXFORM_OP_PROOF 2
86 #define JAS_CMXFORM_OP_GAMUT 3
87 
88 /* rendering intents */
89 #define JAS_CMXFORM_INTENT_PER 0
90 #define JAS_CMXFORM_INTENT_RELCLR 1
91 #define JAS_CMXFORM_INTENT_ABSCLR 2
92 #define JAS_CMXFORM_INTENT_SAT 3
93 #define JAS_CMXFORM_NUMINTENTS 4
94 
95 #define JAS_CMXFORM_OPTM_SPEED 0
96 #define JAS_CMXFORM_OPTM_SIZE 1
97 #define JAS_CMXFORM_OPTM_ACC 2
98 
99 
100 #define jas_clrspc_create(fam, mbr) (((fam) << 8) | (mbr))
101 #define jas_clrspc_fam(clrspc) ((clrspc) >> 8)
102 #define jas_clrspc_mbr(clrspc) ((clrspc) & 0xff)
103 #define jas_clrspc_isgeneric(clrspc) (!jas_clrspc_mbr(clrspc))
104 #define jas_clrspc_isunknown(clrspc) ((clrspc) & JAS_CLRSPC_UNKNOWNMASK)
105 
106 #define JAS_CLRSPC_UNKNOWNMASK 0x4000
107 
108 /* color space families */
109 #define JAS_CLRSPC_FAM_UNKNOWN 0
110 #define JAS_CLRSPC_FAM_XYZ 1
111 #define JAS_CLRSPC_FAM_LAB 2
112 #define JAS_CLRSPC_FAM_GRAY 3
113 #define JAS_CLRSPC_FAM_RGB 4
114 #define JAS_CLRSPC_FAM_YCBCR 5
115 
116 /* specific color spaces */
117 #define JAS_CLRSPC_UNKNOWN JAS_CLRSPC_UNKNOWNMASK
118 #define JAS_CLRSPC_CIEXYZ jas_clrspc_create(JAS_CLRSPC_FAM_XYZ, 1)
119 #define JAS_CLRSPC_CIELAB jas_clrspc_create(JAS_CLRSPC_FAM_LAB, 1)
120 #define JAS_CLRSPC_SGRAY jas_clrspc_create(JAS_CLRSPC_FAM_GRAY, 1)
121 #define JAS_CLRSPC_SRGB jas_clrspc_create(JAS_CLRSPC_FAM_RGB, 1)
122 #define JAS_CLRSPC_SYCBCR jas_clrspc_create(JAS_CLRSPC_FAM_YCBCR, 1)
123 
124 /* generic color spaces */
125 #define JAS_CLRSPC_GENRGB jas_clrspc_create(JAS_CLRSPC_FAM_RGB, 0)
126 #define JAS_CLRSPC_GENGRAY jas_clrspc_create(JAS_CLRSPC_FAM_GRAY, 0)
127 #define JAS_CLRSPC_GENYCBCR jas_clrspc_create(JAS_CLRSPC_FAM_YCBCR, 0)
128 
129 #define JAS_CLRSPC_CHANIND_YCBCR_Y 0
130 #define JAS_CLRSPC_CHANIND_YCBCR_CB 1
131 #define JAS_CLRSPC_CHANIND_YCBCR_CR 2
132 
133 #define JAS_CLRSPC_CHANIND_RGB_R 0
134 #define JAS_CLRSPC_CHANIND_RGB_G 1
135 #define JAS_CLRSPC_CHANIND_RGB_B 2
136 
137 #define JAS_CLRSPC_CHANIND_GRAY_Y 0
138 
139 typedef double jas_cmreal_t;
140 
141 struct jas_cmpxform_s;
142 
143 typedef struct {
144  long *buf;
145  int prec;
146  int sgnd;
147  int width;
148  int height;
149 } jas_cmcmptfmt_t;
150 
151 typedef struct {
152  int numcmpts;
153  jas_cmcmptfmt_t *cmptfmts;
154 } jas_cmpixmap_t;
155 
156 typedef struct {
157  void (*destroy)(struct jas_cmpxform_s *pxform);
158  int (*apply)(struct jas_cmpxform_s *pxform, jas_cmreal_t *in, jas_cmreal_t *out, int cnt);
159  void (*dump)(struct jas_cmpxform_s *pxform);
160 } jas_cmpxformops_t;
161 
162 typedef struct {
163  jas_cmreal_t *data;
164  int size;
165 } jas_cmshapmatlut_t;
166 
167 typedef struct {
168  int mono;
169  int order;
170  int useluts;
171  int usemat;
172  jas_cmshapmatlut_t luts[3];
173  jas_cmreal_t mat[3][4];
174 } jas_cmshapmat_t;
175 
176 typedef struct {
177  int order;
178 } jas_cmshaplut_t;
179 
180 typedef struct {
181  int inclrspc;
182  int outclrspc;
183 } jas_cmclrspcconv_t;
184 
185 #define jas_align_t double
186 
187 typedef struct jas_cmpxform_s {
188  int refcnt;
189  jas_cmpxformops_t *ops;
190  int numinchans;
191  int numoutchans;
192  union {
193  jas_align_t dummy;
194  jas_cmshapmat_t shapmat;
195  jas_cmshaplut_t shaplut;
196  jas_cmclrspcconv_t clrspcconv;
197  } data;
198 } jas_cmpxform_t;
199 
200 typedef struct {
201  int numpxforms;
202  int maxpxforms;
203  jas_cmpxform_t **pxforms;
204 } jas_cmpxformseq_t;
205 
206 typedef struct {
207  int numinchans;
208  int numoutchans;
209  jas_cmpxformseq_t *pxformseq;
210 } jas_cmxform_t;
211 
212 #define JAS_CMPROF_TYPE_DEV 1
213 #define JAS_CMPROF_TYPE_CLRSPC 2
214 
215 #define JAS_CMPROF_NUMPXFORMSEQS 13
216 
217 typedef struct {
218  int clrspc;
219  int numchans;
220  int refclrspc;
221  int numrefchans;
222  jas_iccprof_t *iccprof;
223  jas_cmpxformseq_t *pxformseqs[JAS_CMPROF_NUMPXFORMSEQS];
224 } jas_cmprof_t;
225 
226 #if 0
227 typedef int_fast32_t jas_cmattrname_t;
228 typedef int_fast32_t jas_cmattrval_t;
229 typedef int_fast32_t jas_cmattrtype_t;
230 /* Load a profile. */
231 int jas_cmprof_load(jas_cmprof_t *prof, jas_stream_t *in, int fmt);
232 /* Save a profile. */
233 int jas_cmprof_save(jas_cmprof_t *prof, jas_stream_t *out, int fmt);
234 /* Set an attribute of a profile. */
235 int jas_cm_prof_setattr(jas_cm_prof_t *prof, jas_cm_attrname_t name, void *val);
236 /* Get an attribute of a profile. */
237 void *jas_cm_prof_getattr(jas_cm_prof_t *prof, jas_cm_attrname_t name);
238 #endif
239 
240 jas_cmxform_t *jas_cmxform_create(jas_cmprof_t *inprof, jas_cmprof_t *outprof,
241  jas_cmprof_t *proofprof, int op, int intent, int optimize);
242 
243 void jas_cmxform_destroy(jas_cmxform_t *xform);
244 
245 /* Apply a transform to data. */
246 int jas_cmxform_apply(jas_cmxform_t *xform, jas_cmpixmap_t *in,
247  jas_cmpixmap_t *out);
248 
249 int jas_cxform_optimize(jas_cmxform_t *xform, int optimize);
250 
251 /* Create a profile. */
252 JAS_DLLEXPORT jas_cmprof_t *jas_cmprof_createfromiccprof(jas_iccprof_t *iccprof);
253 JAS_DLLEXPORT jas_cmprof_t *jas_cmprof_createfromclrspc(int clrspc);
254 
255 /* Destroy a profile. */
256 JAS_DLLEXPORT void jas_cmprof_destroy(jas_cmprof_t *prof);
257 
258 int jas_clrspc_numchans(int clrspc);
259 jas_iccprof_t *jas_iccprof_createfromcmprof(jas_cmprof_t *prof);
260 
261 #define jas_cmprof_clrspc(prof) ((prof)->clrspc)
262 JAS_DLLEXPORT jas_cmprof_t *jas_cmprof_copy(jas_cmprof_t *prof);
263 
264 #ifdef __cplusplus
265 }
266 #endif
267 
268 #endif