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: jas_cm.h,v 1.2 2008-05-26 09:41:51 vp153 Exp $
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
267