jas_cm.h

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/*
 * Copyright (c) 2002-2003 Michael David Adams.
 * All rights reserved.
 */
 
/* __START_OF_JASPER_LICENSE__
 * 
 * JasPer License Version 2.0
 * 
 * Copyright (c) 2001-2006 Michael David Adams
 * Copyright (c) 1999-2000 Image Power, Inc.
 * Copyright (c) 1999-2000 The University of British Columbia
 * 
 * All rights reserved.
 * 
 * Permission is hereby granted, free of charge, to any person (the
 * "User") obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, and/or sell copies of the Software, and to permit
 * persons to whom the Software is furnished to do so, subject to the
 * following conditions:
 * 
 * 1.  The above copyright notices and this permission notice (which
 * includes the disclaimer below) shall be included in all copies or
 * substantial portions of the Software.
 * 
 * 2.  The name of a copyright holder shall not be used to endorse or
 * promote products derived from the Software without specific prior
 * written permission.
 * 
 * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
 * LICENSE.  NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
 * THIS DISCLAIMER.  THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
 * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.  IN NO
 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
 * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.  NO ASSURANCES ARE
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 * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY.  THE SOFTWARE
 * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
 * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
 * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
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 * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
 * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
 * RISK ACTIVITIES").  THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
 * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
 * 
 * __END_OF_JASPER_LICENSE__
 */
 
#ifndef JAS_CM_H
#define JAS_CM_H
 
/* The configuration header file should be included first. */
#include <jasper/jas_config.h>
 
#include <jasper/jas_icc.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef unsigned jas_clrspc_t;
 
/* transform operations */
typedef enum {
        JAS_CMXFORM_OP_FWD = 0,
        JAS_CMXFORM_OP_REV = 1,
        JAS_CMXFORM_OP_PROOF = 2,
        JAS_CMXFORM_OP_GAMUT = 3,
} jas_cmxform_op_t;
 
/* rendering intents */
typedef enum {
        JAS_CMXFORM_INTENT_PER = 0,
        JAS_CMXFORM_INTENT_RELCLR = 1,
        JAS_CMXFORM_INTENT_ABSCLR = 2,
        JAS_CMXFORM_INTENT_SAT = 3,
} jas_cmxform_intent_t;
 
#define JAS_CMXFORM_NUMINTENTS          4
 
typedef enum {
        JAS_CMXFORM_OPTM_SPEED = 0,
        JAS_CMXFORM_OPTM_SIZE = 1,
        JAS_CMXFORM_OPTM_ACC = 2,
} jas_cmxform_optm_t;
 
 
#define jas_clrspc_create(fam, mbr)     (((fam) << 8) | (mbr))
#define jas_clrspc_fam(clrspc)  ((clrspc) >> 8)
#define jas_clrspc_mbr(clrspc)  ((clrspc) & 0xff)
#define jas_clrspc_isgeneric(clrspc)    (!jas_clrspc_mbr(clrspc))
#define jas_clrspc_isunknown(clrspc)    ((clrspc) & JAS_CLRSPC_UNKNOWNMASK)
 
#define JAS_CLRSPC_UNKNOWNMASK  0x4000
 
/* color space families */
#define JAS_CLRSPC_FAM_UNKNOWN  0
#define JAS_CLRSPC_FAM_XYZ      1
#define JAS_CLRSPC_FAM_LAB      2
#define JAS_CLRSPC_FAM_GRAY     3
#define JAS_CLRSPC_FAM_RGB      4
#define JAS_CLRSPC_FAM_YCBCR    5
 
/* specific color spaces */
#define JAS_CLRSPC_UNKNOWN      JAS_CLRSPC_UNKNOWNMASK
#define JAS_CLRSPC_CIEXYZ       jas_clrspc_create(JAS_CLRSPC_FAM_XYZ, 1)
#define JAS_CLRSPC_CIELAB       jas_clrspc_create(JAS_CLRSPC_FAM_LAB, 1)
#define JAS_CLRSPC_SGRAY        jas_clrspc_create(JAS_CLRSPC_FAM_GRAY, 1)
#define JAS_CLRSPC_SRGB         jas_clrspc_create(JAS_CLRSPC_FAM_RGB, 1)
#define JAS_CLRSPC_SYCBCR       jas_clrspc_create(JAS_CLRSPC_FAM_YCBCR, 1)
 
/* generic color spaces */
#define JAS_CLRSPC_GENRGB       jas_clrspc_create(JAS_CLRSPC_FAM_RGB, 0)
#define JAS_CLRSPC_GENGRAY      jas_clrspc_create(JAS_CLRSPC_FAM_GRAY, 0)
#define JAS_CLRSPC_GENYCBCR     jas_clrspc_create(JAS_CLRSPC_FAM_YCBCR, 0)
 
#define JAS_CLRSPC_CHANIND_YCBCR_Y      0
#define JAS_CLRSPC_CHANIND_YCBCR_CB     1
#define JAS_CLRSPC_CHANIND_YCBCR_CR     2
 
#define JAS_CLRSPC_CHANIND_RGB_R        0
#define JAS_CLRSPC_CHANIND_RGB_G        1
#define JAS_CLRSPC_CHANIND_RGB_B        2
 
#define JAS_CLRSPC_CHANIND_GRAY_Y       0
 
typedef double jas_cmreal_t;
 
struct jas_cmpxform_s;
 
typedef struct {
        long *buf;
        unsigned prec;
        int sgnd;
        unsigned width;
        unsigned height;
} jas_cmcmptfmt_t;
 
typedef struct {
        unsigned numcmpts;
        jas_cmcmptfmt_t *cmptfmts;
} jas_cmpixmap_t;
 
typedef struct {
        void (*destroy)(struct jas_cmpxform_s *pxform);
        int (*apply)(const struct jas_cmpxform_s *pxform, const jas_cmreal_t *in, jas_cmreal_t *out, unsigned  cnt);
        void (*dump)(struct jas_cmpxform_s *pxform);
} jas_cmpxformops_t;
 
typedef struct {
        jas_cmreal_t *data;
        unsigned size;
} jas_cmshapmatlut_t;
 
typedef struct {
        int mono;
        int order;
        int useluts;
        int usemat;
        jas_cmshapmatlut_t luts[3];
        jas_cmreal_t mat[3][4];
} jas_cmshapmat_t;
 
typedef struct {
        int order;
} jas_cmshaplut_t;
 
typedef struct {
        unsigned inclrspc;
        unsigned outclrspc;
} jas_cmclrspcconv_t;
 
#define jas_align_t     double
 
typedef struct jas_cmpxform_s {
        unsigned refcnt;
        const jas_cmpxformops_t *ops;
        unsigned numinchans;
        unsigned numoutchans;
        union {
                jas_align_t dummy;
                jas_cmshapmat_t shapmat;
                jas_cmshaplut_t shaplut;
                jas_cmclrspcconv_t clrspcconv;
        } data;
} jas_cmpxform_t;
 
typedef struct {
        unsigned numpxforms;
        unsigned maxpxforms;
        jas_cmpxform_t **pxforms;
} jas_cmpxformseq_t;
 
typedef struct {
        unsigned numinchans;
        unsigned numoutchans;
        jas_cmpxformseq_t *pxformseq;
} jas_cmxform_t;
 
#define JAS_CMPROF_TYPE_DEV     1
#define JAS_CMPROF_TYPE_CLRSPC  2
 
#define JAS_CMPROF_NUMPXFORMSEQS        13
 
typedef struct {
        jas_clrspc_t clrspc;
        unsigned numchans;
        unsigned refclrspc;
        unsigned numrefchans;
        jas_iccprof_t *iccprof;
        jas_cmpxformseq_t *pxformseqs[JAS_CMPROF_NUMPXFORMSEQS];
} jas_cmprof_t;
 
#if 0
typedef int_fast32_t jas_cmattrname_t;
typedef int_fast32_t jas_cmattrval_t;
typedef int_fast32_t jas_cmattrtype_t;
/* Load a profile. */
int jas_cmprof_load(jas_cmprof_t *prof, jas_stream_t *in, unsigned fmt);
/* Save a profile. */
int jas_cmprof_save(jas_cmprof_t *prof, jas_stream_t *out, unsigned fmt);
/* Set an attribute of a profile. */
int jas_cm_prof_setattr(jas_cm_prof_t *prof, jas_cm_attrname_t name, void *val);
/* Get an attribute of a profile. */
void *jas_cm_prof_getattr(jas_cm_prof_t *prof, jas_cm_attrname_t name);
#endif
 
JAS_DLLEXPORT 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);
 
JAS_DLLEXPORT void jas_cmxform_destroy(jas_cmxform_t *xform);
 
/* Apply a transform to data. */
JAS_DLLEXPORT int jas_cmxform_apply(const jas_cmxform_t *xform, const jas_cmpixmap_t *in,
  jas_cmpixmap_t *out);
 
/* Create a profile. */
JAS_DLLEXPORT jas_cmprof_t *jas_cmprof_createfromiccprof(const jas_iccprof_t *iccprof);
JAS_DLLEXPORT jas_cmprof_t *jas_cmprof_createfromclrspc(jas_clrspc_t clrspc);
 
/* Destroy a profile. */
JAS_DLLEXPORT void jas_cmprof_destroy(jas_cmprof_t *prof);
 
unsigned jas_clrspc_numchans(jas_clrspc_t clrspc);
JAS_DLLEXPORT jas_iccprof_t *jas_iccprof_createfromcmprof(const jas_cmprof_t *prof);
 
#define jas_cmprof_clrspc(prof) ((prof)->clrspc)
JAS_DLLEXPORT jas_cmprof_t *jas_cmprof_copy(const jas_cmprof_t *prof);
 
#ifdef __cplusplus
}
#endif
 
#endif