+++ /dev/null
-/*
- * 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
- * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
- * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
- * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
- * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
- * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
- * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
- * 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
- * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
- * 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__
- */
-
-/*
- * Color Management
- *
- * $Id: jas_cm.c,v 1.2 2008/05/26 09:40:52 vp153 Exp $
- */
-
-#include <jasper/jas_config.h>
-#include <math.h>
-#include <stdlib.h>
-#include <assert.h>
-#include <jasper/jas_cm.h>
-#include <jasper/jas_icc.h>
-#include <jasper/jas_init.h>
-#include <jasper/jas_stream.h>
-#include <jasper/jas_malloc.h>
-#include <jasper/jas_math.h>
-
-static jas_cmprof_t *jas_cmprof_create(void);
-static void jas_cmshapmatlut_cleanup(jas_cmshapmatlut_t *);
-static jas_cmreal_t jas_cmshapmatlut_lookup(jas_cmshapmatlut_t *lut, jas_cmreal_t x);
-
-static void jas_cmpxform_destroy(jas_cmpxform_t *pxform);
-static jas_cmpxform_t *jas_cmpxform_copy(jas_cmpxform_t *pxform);
-
-static void jas_cmshapmat_destroy(jas_cmpxform_t *pxform);
-static int jas_cmshapmat_apply(jas_cmpxform_t *pxform, jas_cmreal_t *in,
- jas_cmreal_t *out, int cnt);
-
-static int jas_cmputint(long **bufptr, int sgnd, int prec, long val);
-static int jas_cmgetint(long **bufptr, int sgnd, int prec, long *val);
-static int jas_cmpxformseq_append(jas_cmpxformseq_t *pxformseq,
- jas_cmpxformseq_t *othpxformseq);
-static int jas_cmpxformseq_appendcnvt(jas_cmpxformseq_t *pxformseq,
- int, int);
-static int jas_cmpxformseq_resize(jas_cmpxformseq_t *pxformseq, int n);
-
-static int mono(jas_iccprof_t *prof, int op, jas_cmpxformseq_t **pxformseq);
-static int triclr(jas_iccprof_t *prof, int op, jas_cmpxformseq_t **retpxformseq);
-
-static void jas_cmpxformseq_destroy(jas_cmpxformseq_t *pxformseq);
-static int jas_cmpxformseq_delete(jas_cmpxformseq_t *pxformseq, int i);
-static jas_cmpxformseq_t *jas_cmpxformseq_create(void);
-static jas_cmpxformseq_t *jas_cmpxformseq_copy(jas_cmpxformseq_t *pxformseq);
-static int jas_cmshapmat_invmat(jas_cmreal_t out[3][4], jas_cmreal_t in[3][4]);
-static int jas_cmpxformseq_insertpxform(jas_cmpxformseq_t *pxformseq,
- int i, jas_cmpxform_t *pxform);
-
-#define SEQFWD(intent) (intent)
-#define SEQREV(intent) (4 + (intent))
-#define SEQSIM(intent) (8 + (intent))
-#define SEQGAM 12
-
-#define fwdpxformseq(prof, intent) \
- (((prof)->pxformseqs[SEQFWD(intent)]) ? \
- ((prof)->pxformseqs[SEQFWD(intent)]) : \
- ((prof)->pxformseqs[SEQFWD(0)]))
-
-#define revpxformseq(prof, intent) \
- (((prof)->pxformseqs[SEQREV(intent)]) ? \
- ((prof)->pxformseqs[SEQREV(intent)]) : \
- ((prof)->pxformseqs[SEQREV(0)]))
-
-#define simpxformseq(prof, intent) \
- (((prof)->pxformseqs[SEQSIM(intent)]) ? \
- ((prof)->pxformseqs[SEQSIM(intent)]) : \
- ((prof)->pxformseqs[SEQSIM(0)]))
-
-#define gampxformseq(prof) ((prof)->pxformseqs[SEQGAM])
-
-static int icctoclrspc(int iccclrspc, int refflag);
-static jas_cmpxform_t *jas_cmpxform_create0(void);
-static jas_cmpxform_t *jas_cmpxform_createshapmat(void);
-static void jas_cmshapmatlut_init(jas_cmshapmatlut_t *lut);
-static int jas_cmshapmatlut_set(jas_cmshapmatlut_t *lut, jas_icccurv_t *curv);
-
-static jas_cmpxformops_t shapmat_ops = {jas_cmshapmat_destroy, jas_cmshapmat_apply, 0};
-static jas_cmprof_t *jas_cmprof_createsycc(void);
-
-/******************************************************************************\
-* Color profile class.
-\******************************************************************************/
-
-jas_cmprof_t *jas_cmprof_createfromclrspc(int clrspc)
-{
- jas_iccprof_t *iccprof;
- jas_cmprof_t *prof;
-
- iccprof = 0;
- prof = 0;
- switch (clrspc) {
- case JAS_CLRSPC_SYCBCR:
- if (!(prof = jas_cmprof_createsycc()))
- goto error;
- break;
- default:
- if (!(iccprof = jas_iccprof_createfromclrspc(clrspc)))
- goto error;
- if (!(prof = jas_cmprof_createfromiccprof(iccprof)))
- goto error;
- jas_iccprof_destroy(iccprof);
- iccprof = 0;
- if (!jas_clrspc_isgeneric(clrspc))
- prof->clrspc = clrspc;
- break;
- }
- return prof;
-error:
- if (iccprof)
- jas_iccprof_destroy(iccprof);
- return 0;
-}
-
-static jas_cmprof_t *jas_cmprof_createsycc()
-{
- jas_cmprof_t *prof;
- jas_cmpxform_t *fwdpxform;
- jas_cmpxform_t *revpxform;
- jas_cmshapmat_t *fwdshapmat;
- jas_cmshapmat_t *revshapmat;
- int i;
- int j;
-
- if (!(prof = jas_cmprof_createfromclrspc(JAS_CLRSPC_SRGB)))
- goto error;
- prof->clrspc = JAS_CLRSPC_SYCBCR;
- assert(prof->numchans == 3 && prof->numrefchans == 3);
- assert(prof->refclrspc == JAS_CLRSPC_CIEXYZ);
- if (!(fwdpxform = jas_cmpxform_createshapmat()))
- goto error;
- fwdpxform->numinchans = 3;
- fwdpxform->numoutchans = 3;
- fwdshapmat = &fwdpxform->data.shapmat;
- fwdshapmat->mono = 0;
- fwdshapmat->order = 0;
- fwdshapmat->useluts = 0;
- fwdshapmat->usemat = 1;
- fwdshapmat->mat[0][0] = 1.0;
- fwdshapmat->mat[0][1] = 0.0;
- fwdshapmat->mat[0][2] = 1.402;
- fwdshapmat->mat[1][0] = 1.0;
- fwdshapmat->mat[1][1] = -0.34413;
- fwdshapmat->mat[1][2] = -0.71414;
- fwdshapmat->mat[2][0] = 1.0;
- fwdshapmat->mat[2][1] = 1.772;
- fwdshapmat->mat[2][2] = 0.0;
- fwdshapmat->mat[0][3] = -0.5 * (1.402);
- fwdshapmat->mat[1][3] = -0.5 * (-0.34413 - 0.71414);
- fwdshapmat->mat[2][3] = -0.5 * (1.772);
- if (!(revpxform = jas_cmpxform_createshapmat()))
- goto error;
- revpxform->numinchans = 3;
- revpxform->numoutchans = 3;
- revshapmat = &revpxform->data.shapmat;
- revshapmat->mono = 0;
- revshapmat->order = 1;
- revshapmat->useluts = 0;
- revshapmat->usemat = 1;
- jas_cmshapmat_invmat(revshapmat->mat, fwdshapmat->mat);
-
- for (i = 0; i < JAS_CMXFORM_NUMINTENTS; ++i) {
- j = SEQFWD(i);
- if (prof->pxformseqs[j]) {
- if (jas_cmpxformseq_insertpxform(prof->pxformseqs[j], 0,
- fwdpxform))
- goto error;
- }
- j = SEQREV(i);
- if (prof->pxformseqs[j]) {
- if (jas_cmpxformseq_insertpxform(prof->pxformseqs[j],
- -1, revpxform))
- goto error;
- }
- }
-
- jas_cmpxform_destroy(fwdpxform);
- jas_cmpxform_destroy(revpxform);
- return prof;
-error:
- return 0;
-}
-
-jas_cmprof_t *jas_cmprof_createfromiccprof(jas_iccprof_t *iccprof)
-{
- jas_cmprof_t *prof;
- jas_icchdr_t icchdr;
- jas_cmpxformseq_t *fwdpxformseq;
- jas_cmpxformseq_t *revpxformseq;
-
- prof = 0;
- fwdpxformseq = 0;
- revpxformseq = 0;
-
- if (!(prof = jas_cmprof_create()))
- goto error;
- jas_iccprof_gethdr(iccprof, &icchdr);
- if (!(prof->iccprof = jas_iccprof_copy(iccprof)))
- goto error;
- prof->clrspc = icctoclrspc(icchdr.colorspc, 0);
- prof->refclrspc = icctoclrspc(icchdr.refcolorspc, 1);
- prof->numchans = jas_clrspc_numchans(prof->clrspc);
- prof->numrefchans = jas_clrspc_numchans(prof->refclrspc);
-
- if (prof->numchans == 1) {
- if (mono(prof->iccprof, 0, &fwdpxformseq))
- goto error;
- if (mono(prof->iccprof, 1, &revpxformseq))
- goto error;
- } else if (prof->numchans == 3) {
- if (triclr(prof->iccprof, 0, &fwdpxformseq))
- goto error;
- if (triclr(prof->iccprof, 1, &revpxformseq))
- goto error;
- }
- prof->pxformseqs[SEQFWD(0)] = fwdpxformseq;
- prof->pxformseqs[SEQREV(0)] = revpxformseq;
-
-#if 0
- if (prof->numchans > 1) {
- lut(prof->iccprof, 0, PER, &pxformseq);
- pxformseqs_set(prof, SEQFWD(PER), pxformseq);
- lut(prof->iccprof, 1, PER, &pxformseq);
- pxformseqs_set(prof, SEQREV(PER), pxformseq);
- lut(prof->iccprof, 0, CLR, &pxformseq);
- pxformseqs_set(prof, SEQREV(CLR), pxformseq);
- lut(prof->iccprof, 1, CLR, &pxformseq);
- pxformseqs_set(prof, SEQREV(CLR), pxformseq);
- lut(prof->iccprof, 0, SAT, &pxformseq);
- pxformseqs_set(prof, SEQREV(SAT), pxformseq);
- lut(prof->iccprof, 1, SAT, &pxformseq);
- pxformseqs_set(prof, SEQREV(SAT), pxformseq);
- }
-#endif
-
- return prof;
-
-error:
- if (fwdpxformseq) {
- jas_cmpxformseq_destroy(fwdpxformseq);
- }
- if (revpxformseq) {
- jas_cmpxformseq_destroy(revpxformseq);
- }
- if (prof) {
- jas_cmprof_destroy(prof);
- }
-
- return 0;
-}
-
-static jas_cmprof_t *jas_cmprof_create()
-{
- int i;
- jas_cmprof_t *prof;
- if (!(prof = jas_malloc(sizeof(jas_cmprof_t))))
- return 0;
- memset(prof, 0, sizeof(jas_cmprof_t));
- prof->iccprof = 0;
- for (i = 0; i < JAS_CMPROF_NUMPXFORMSEQS; ++i)
- prof->pxformseqs[i] = 0;
- return prof;
-}
-
-void jas_cmprof_destroy(jas_cmprof_t *prof)
-{
- int i;
- for (i = 0; i < JAS_CMPROF_NUMPXFORMSEQS; ++i) {
- if (prof->pxformseqs[i]) {
- jas_cmpxformseq_destroy(prof->pxformseqs[i]);
- prof->pxformseqs[i] = 0;
- }
- }
- if (prof->iccprof)
- jas_iccprof_destroy(prof->iccprof);
- jas_free(prof);
-}
-
-jas_cmprof_t *jas_cmprof_copy(jas_cmprof_t *prof)
-{
- jas_cmprof_t *newprof;
- int i;
-
- if (!(newprof = jas_cmprof_create()))
- goto error;
- newprof->clrspc = prof->clrspc;
- newprof->numchans = prof->numchans;
- newprof->refclrspc = prof->refclrspc;
- newprof->numrefchans = prof->numrefchans;
- newprof->iccprof = jas_iccprof_copy(prof->iccprof);
- for (i = 0; i < JAS_CMPROF_NUMPXFORMSEQS; ++i) {
- if (prof->pxformseqs[i]) {
- if (!(newprof->pxformseqs[i] = jas_cmpxformseq_copy(prof->pxformseqs[i])))
- goto error;
- }
- }
- return newprof;
-error:
- return 0;
-}
-
-/******************************************************************************\
-* Transform class.
-\******************************************************************************/
-
-jas_cmxform_t *jas_cmxform_create(jas_cmprof_t *inprof, jas_cmprof_t *outprof,
- jas_cmprof_t *prfprof, int op, int intent, int optimize)
-{
- jas_cmxform_t *xform;
- jas_cmpxformseq_t *inpxformseq;
- jas_cmpxformseq_t *outpxformseq;
- jas_cmpxformseq_t *altoutpxformseq;
- jas_cmpxformseq_t *prfpxformseq;
- int prfintent;
-
- /* Avoid compiler warnings about unused parameters. */
- optimize = 0;
-
- prfintent = intent;
-
- if (!(xform = jas_malloc(sizeof(jas_cmxform_t))))
- goto error;
- if (!(xform->pxformseq = jas_cmpxformseq_create()))
- goto error;
-
- switch (op) {
- case JAS_CMXFORM_OP_FWD:
- inpxformseq = fwdpxformseq(inprof, intent);
- outpxformseq = revpxformseq(outprof, intent);
- if (!inpxformseq || !outpxformseq)
- goto error;
- if (jas_cmpxformseq_append(xform->pxformseq, inpxformseq) ||
- jas_cmpxformseq_appendcnvt(xform->pxformseq,
- inprof->refclrspc, outprof->refclrspc) ||
- jas_cmpxformseq_append(xform->pxformseq, outpxformseq))
- goto error;
- xform->numinchans = jas_clrspc_numchans(inprof->clrspc);
- xform->numoutchans = jas_clrspc_numchans(outprof->clrspc);
- break;
- case JAS_CMXFORM_OP_REV:
- outpxformseq = fwdpxformseq(outprof, intent);
- inpxformseq = revpxformseq(inprof, intent);
- if (!outpxformseq || !inpxformseq)
- goto error;
- if (jas_cmpxformseq_append(xform->pxformseq, outpxformseq) ||
- jas_cmpxformseq_appendcnvt(xform->pxformseq,
- outprof->refclrspc, inprof->refclrspc) ||
- jas_cmpxformseq_append(xform->pxformseq, inpxformseq))
- goto error;
- xform->numinchans = jas_clrspc_numchans(outprof->clrspc);
- xform->numoutchans = jas_clrspc_numchans(inprof->clrspc);
- break;
- case JAS_CMXFORM_OP_PROOF:
- assert(prfprof);
- inpxformseq = fwdpxformseq(inprof, intent);
- prfpxformseq = fwdpxformseq(prfprof, prfintent);
- if (!inpxformseq || !prfpxformseq)
- goto error;
- outpxformseq = simpxformseq(outprof, intent);
- altoutpxformseq = 0;
- if (!outpxformseq) {
- outpxformseq = revpxformseq(outprof, intent);
- altoutpxformseq = fwdpxformseq(outprof, intent);
- if (!outpxformseq || !altoutpxformseq)
- goto error;
- }
- if (jas_cmpxformseq_append(xform->pxformseq, inpxformseq) ||
- jas_cmpxformseq_appendcnvt(xform->pxformseq,
- inprof->refclrspc, outprof->refclrspc))
- goto error;
- if (altoutpxformseq) {
- if (jas_cmpxformseq_append(xform->pxformseq, outpxformseq) ||
- jas_cmpxformseq_append(xform->pxformseq, altoutpxformseq))
- goto error;
- } else {
- if (jas_cmpxformseq_append(xform->pxformseq, outpxformseq))
- goto error;
- }
- if (jas_cmpxformseq_appendcnvt(xform->pxformseq,
- outprof->refclrspc, inprof->refclrspc) ||
- jas_cmpxformseq_append(xform->pxformseq, prfpxformseq))
- goto error;
- xform->numinchans = jas_clrspc_numchans(inprof->clrspc);
- xform->numoutchans = jas_clrspc_numchans(prfprof->clrspc);
- break;
- case JAS_CMXFORM_OP_GAMUT:
- inpxformseq = fwdpxformseq(inprof, intent);
- outpxformseq = gampxformseq(outprof);
- if (!inpxformseq || !outpxformseq)
- goto error;
- if (jas_cmpxformseq_append(xform->pxformseq, inpxformseq) ||
- jas_cmpxformseq_appendcnvt(xform->pxformseq,
- inprof->refclrspc, outprof->refclrspc) ||
- jas_cmpxformseq_append(xform->pxformseq, outpxformseq))
- goto error;
- xform->numinchans = jas_clrspc_numchans(inprof->clrspc);
- xform->numoutchans = 1;
- break;
- }
- return xform;
-error:
- return 0;
-}
-
-#define APPLYBUFSIZ 2048
-int jas_cmxform_apply(jas_cmxform_t *xform, jas_cmpixmap_t *in, jas_cmpixmap_t *out)
-{
- jas_cmcmptfmt_t *fmt;
- jas_cmreal_t buf[2][APPLYBUFSIZ];
- jas_cmpxformseq_t *pxformseq;
- int i;
- int j;
- int width;
- int height;
- int total;
- int n;
- jas_cmreal_t *inbuf;
- jas_cmreal_t *outbuf;
- jas_cmpxform_t *pxform;
- long *dataptr;
- int maxchans;
- int bufmax;
- int m;
- int bias;
- jas_cmreal_t scale;
- long v;
- jas_cmreal_t *bufptr;
-
- if (xform->numinchans > in->numcmpts || xform->numoutchans > out->numcmpts)
- goto error;
-
- fmt = &in->cmptfmts[0];
- width = fmt->width;
- height = fmt->height;
- for (i = 1; i < xform->numinchans; ++i) {
- fmt = &in->cmptfmts[i];
- if (fmt->width != width || fmt->height != height) {
- goto error;
- }
- }
- for (i = 0; i < xform->numoutchans; ++i) {
- fmt = &out->cmptfmts[i];
- if (fmt->width != width || fmt->height != height) {
- goto error;
- }
- }
-
- maxchans = 0;
- pxformseq = xform->pxformseq;
- for (i = 0; i < pxformseq->numpxforms; ++i) {
- pxform = pxformseq->pxforms[i];
- if (pxform->numinchans > maxchans) {
- maxchans = pxform->numinchans;
- }
- if (pxform->numoutchans > maxchans) {
- maxchans = pxform->numoutchans;
- }
- }
- bufmax = APPLYBUFSIZ / maxchans;
- assert(bufmax > 0);
-
- total = width * height;
- n = 0;
- while (n < total) {
-
- inbuf = &buf[0][0];
- m = JAS_MIN(total - n, bufmax);
-
- for (i = 0; i < xform->numinchans; ++i) {
- fmt = &in->cmptfmts[i];
- scale = (double)((1 << fmt->prec) - 1);
- bias = fmt->sgnd ? (1 << (fmt->prec - 1)) : 0;
- dataptr = &fmt->buf[n];
- bufptr = &inbuf[i];
- for (j = 0; j < m; ++j) {
- if (jas_cmgetint(&dataptr, fmt->sgnd, fmt->prec, &v))
- goto error;
- *bufptr = (v - bias) / scale;
- bufptr += xform->numinchans;
- }
- }
-
- inbuf = &buf[0][0];
- outbuf = inbuf;
- for (i = 0; i < pxformseq->numpxforms; ++i) {
- pxform = pxformseq->pxforms[i];
- if (pxform->numoutchans > pxform->numinchans) {
- outbuf = (inbuf == &buf[0][0]) ? &buf[1][0] : &buf[0][0];
- } else {
- outbuf = inbuf;
- }
- if ((*pxform->ops->apply)(pxform, inbuf, outbuf, m))
- goto error;
- inbuf = outbuf;
- }
-
- for (i = 0; i < xform->numoutchans; ++i) {
- fmt = &out->cmptfmts[i];
- scale = (double)((1 << fmt->prec) - 1);
- bias = fmt->sgnd ? (1 << (fmt->prec - 1)) : 0;
- bufptr = &outbuf[i];
- dataptr = &fmt->buf[n];
- for (j = 0; j < m; ++j) {
- v = (*bufptr) * scale + bias;
- bufptr += xform->numoutchans;
- if (jas_cmputint(&dataptr, fmt->sgnd, fmt->prec, v))
- goto error;
- }
- }
-
- n += m;
- }
-
- return 0;
-error:
- return -1;
-}
-
-void jas_cmxform_destroy(jas_cmxform_t *xform)
-{
- if (xform->pxformseq)
- jas_cmpxformseq_destroy(xform->pxformseq);
- jas_free(xform);
-}
-
-/******************************************************************************\
-* Primitive transform sequence class.
-\******************************************************************************/
-
-static jas_cmpxformseq_t *jas_cmpxformseq_create()
-{
- jas_cmpxformseq_t *pxformseq;
- pxformseq = 0;
- if (!(pxformseq = jas_malloc(sizeof(jas_cmpxformseq_t))))
- goto error;
- pxformseq->pxforms = 0;
- pxformseq->numpxforms = 0;
- pxformseq->maxpxforms = 0;
- if (jas_cmpxformseq_resize(pxformseq, 16))
- goto error;
- return pxformseq;
-error:
- if (pxformseq)
- jas_cmpxformseq_destroy(pxformseq);
- return 0;
-}
-
-static jas_cmpxformseq_t *jas_cmpxformseq_copy(jas_cmpxformseq_t *pxformseq)
-{
- jas_cmpxformseq_t *newpxformseq;
-
- if (!(newpxformseq = jas_cmpxformseq_create()))
- goto error;
- if (jas_cmpxformseq_append(newpxformseq, pxformseq))
- goto error;
- return newpxformseq;
-error:
- return 0;
-}
-
-static void jas_cmpxformseq_destroy(jas_cmpxformseq_t *pxformseq)
-{
- while (pxformseq->numpxforms > 0)
- jas_cmpxformseq_delete(pxformseq, pxformseq->numpxforms - 1);
- if (pxformseq->pxforms)
- jas_free(pxformseq->pxforms);
- jas_free(pxformseq);
-}
-
-static int jas_cmpxformseq_delete(jas_cmpxformseq_t *pxformseq, int i)
-{
- assert(i >= 0 && i < pxformseq->numpxforms);
- if (i != pxformseq->numpxforms - 1)
- abort();
- jas_cmpxform_destroy(pxformseq->pxforms[i]);
- pxformseq->pxforms[i] = 0;
- --pxformseq->numpxforms;
- return 0;
-}
-
-static int jas_cmpxformseq_appendcnvt(jas_cmpxformseq_t *pxformseq,
- int dstclrspc, int srcclrspc)
-{
- if (dstclrspc == srcclrspc)
- return 0;
- abort();
- /* Avoid compiler warnings about unused parameters. */
- pxformseq = 0;
- return -1;
-}
-
-static int jas_cmpxformseq_insertpxform(jas_cmpxformseq_t *pxformseq,
- int i, jas_cmpxform_t *pxform)
-{
- jas_cmpxform_t *tmppxform;
- int n;
- if (i < 0)
- i = pxformseq->numpxforms;
- assert(i >= 0 && i <= pxformseq->numpxforms);
- if (pxformseq->numpxforms >= pxformseq->maxpxforms) {
- if (jas_cmpxformseq_resize(pxformseq, pxformseq->numpxforms +
- 16))
- goto error;
- }
- assert(pxformseq->numpxforms < pxformseq->maxpxforms);
- if (!(tmppxform = jas_cmpxform_copy(pxform)))
- goto error;
- n = pxformseq->numpxforms - i;
- if (n > 0) {
- memmove(&pxformseq->pxforms[i + 1], &pxformseq->pxforms[i],
- n * sizeof(jas_cmpxform_t *));
- }
- pxformseq->pxforms[i] = tmppxform;
- ++pxformseq->numpxforms;
- return 0;
-error:
- return -1;
-}
-
-static int jas_cmpxformseq_append(jas_cmpxformseq_t *pxformseq,
- jas_cmpxformseq_t *othpxformseq)
-{
- int n;
- int i;
- jas_cmpxform_t *pxform;
- jas_cmpxform_t *othpxform;
- n = pxformseq->numpxforms + othpxformseq->numpxforms;
- if (n > pxformseq->maxpxforms) {
- if (jas_cmpxformseq_resize(pxformseq, n))
- goto error;
- }
- for (i = 0; i < othpxformseq->numpxforms; ++i) {
- othpxform = othpxformseq->pxforms[i];
- if (!(pxform = jas_cmpxform_copy(othpxform)))
- goto error;
- pxformseq->pxforms[pxformseq->numpxforms] = pxform;
- ++pxformseq->numpxforms;
- }
- return 0;
-error:
- return -1;
-}
-
-static int jas_cmpxformseq_resize(jas_cmpxformseq_t *pxformseq, int n)
-{
- jas_cmpxform_t **p;
- assert(n >= pxformseq->numpxforms);
- p = (!pxformseq->pxforms) ? jas_malloc(n * sizeof(jas_cmpxform_t *)) :
- jas_realloc(pxformseq->pxforms, n * sizeof(jas_cmpxform_t *));
- if (!p) {
- return -1;
- }
- pxformseq->pxforms = p;
- pxformseq->maxpxforms = n;
- return 0;
-}
-
-/******************************************************************************\
-* Primitive transform class.
-\******************************************************************************/
-
-static jas_cmpxform_t *jas_cmpxform_create0()
-{
- jas_cmpxform_t *pxform;
- if (!(pxform = jas_malloc(sizeof(jas_cmpxform_t))))
- return 0;
- memset(pxform, 0, sizeof(jas_cmpxform_t));
- pxform->refcnt = 0;
- pxform->ops = 0;
- return pxform;
-}
-
-static void jas_cmpxform_destroy(jas_cmpxform_t *pxform)
-{
- if (--pxform->refcnt <= 0) {
- (*pxform->ops->destroy)(pxform);
- jas_free(pxform);
- }
-}
-
-static jas_cmpxform_t *jas_cmpxform_copy(jas_cmpxform_t *pxform)
-{
- ++pxform->refcnt;
- return pxform;
-}
-
-/******************************************************************************\
-* Shaper matrix class.
-\******************************************************************************/
-
-static jas_cmpxform_t *jas_cmpxform_createshapmat()
-{
- int i;
- int j;
- jas_cmpxform_t *pxform;
- jas_cmshapmat_t *shapmat;
- if (!(pxform = jas_cmpxform_create0()))
- return 0;
- pxform->ops = &shapmat_ops;
- shapmat = &pxform->data.shapmat;
- shapmat->mono = 0;
- shapmat->order = 0;
- shapmat->useluts = 0;
- shapmat->usemat = 0;
- for (i = 0; i < 3; ++i)
- jas_cmshapmatlut_init(&shapmat->luts[i]);
- for (i = 0; i < 3; ++i) {
- for (j = 0; j < 4; ++j)
- shapmat->mat[i][j] = 0.0;
- }
- ++pxform->refcnt;
- return pxform;
-}
-
-static void jas_cmshapmat_destroy(jas_cmpxform_t *pxform)
-{
- jas_cmshapmat_t *shapmat = &pxform->data.shapmat;
- int i;
- for (i = 0; i < 3; ++i)
- jas_cmshapmatlut_cleanup(&shapmat->luts[i]);
-}
-
-static int jas_cmshapmat_apply(jas_cmpxform_t *pxform, jas_cmreal_t *in,
- jas_cmreal_t *out, int cnt)
-{
- jas_cmshapmat_t *shapmat = &pxform->data.shapmat;
- jas_cmreal_t *src;
- jas_cmreal_t *dst;
- jas_cmreal_t a0;
- jas_cmreal_t a1;
- jas_cmreal_t a2;
- jas_cmreal_t b0;
- jas_cmreal_t b1;
- jas_cmreal_t b2;
- src = in;
- dst = out;
- if (!shapmat->mono) {
- while (--cnt >= 0) {
- a0 = *src++;
- a1 = *src++;
- a2 = *src++;
- if (!shapmat->order && shapmat->useluts) {
- a0 = jas_cmshapmatlut_lookup(&shapmat->luts[0], a0);
- a1 = jas_cmshapmatlut_lookup(&shapmat->luts[1], a1);
- a2 = jas_cmshapmatlut_lookup(&shapmat->luts[2], a2);
- }
- if (shapmat->usemat) {
- b0 = shapmat->mat[0][0] * a0
- + shapmat->mat[0][1] * a1
- + shapmat->mat[0][2] * a2
- + shapmat->mat[0][3];
- b1 = shapmat->mat[1][0] * a0
- + shapmat->mat[1][1] * a1
- + shapmat->mat[1][2] * a2
- + shapmat->mat[1][3];
- b2 = shapmat->mat[2][0] * a0
- + shapmat->mat[2][1] * a1
- + shapmat->mat[2][2] * a2
- + shapmat->mat[2][3];
- a0 = b0;
- a1 = b1;
- a2 = b2;
- }
- if (shapmat->order && shapmat->useluts) {
- a0 = jas_cmshapmatlut_lookup(&shapmat->luts[0], a0);
- a1 = jas_cmshapmatlut_lookup(&shapmat->luts[1], a1);
- a2 = jas_cmshapmatlut_lookup(&shapmat->luts[2], a2);
- }
- *dst++ = a0;
- *dst++ = a1;
- *dst++ = a2;
- }
- } else {
- if (!shapmat->order) {
- while (--cnt >= 0) {
- a0 = *src++;
- if (shapmat->useluts)
- a0 = jas_cmshapmatlut_lookup(&shapmat->luts[0], a0);
- a2 = a0 * shapmat->mat[2][0];
- a1 = a0 * shapmat->mat[1][0];
- a0 = a0 * shapmat->mat[0][0];
- *dst++ = a0;
- *dst++ = a1;
- *dst++ = a2;
- }
- } else {
-assert(0);
- while (--cnt >= 0) {
- a0 = *src++;
- src++;
- src++;
- a0 = a0 * shapmat->mat[0][0];
- if (shapmat->useluts)
- a0 = jas_cmshapmatlut_lookup(&shapmat->luts[0], a0);
- *dst++ = a0;
- }
- }
- }
-
- return 0;
-}
-
-static void jas_cmshapmatlut_init(jas_cmshapmatlut_t *lut)
-{
- lut->data = 0;
- lut->size = 0;
-}
-
-static void jas_cmshapmatlut_cleanup(jas_cmshapmatlut_t *lut)
-{
- if (lut->data) {
- jas_free(lut->data);
- lut->data = 0;
- }
- lut->size = 0;
-}
-
-static double gammafn(double x, double gamma)
-{
- if (x == 0.0)
- return 0.0;
- return pow(x, gamma);
-}
-
-static int jas_cmshapmatlut_set(jas_cmshapmatlut_t *lut, jas_icccurv_t *curv)
-{
- jas_cmreal_t gamma;
- int i;
- gamma = 0;
- jas_cmshapmatlut_cleanup(lut);
- if (curv->numents == 0) {
- lut->size = 2;
- if (!(lut->data = jas_malloc(lut->size * sizeof(jas_cmreal_t))))
- goto error;
- lut->data[0] = 0.0;
- lut->data[1] = 1.0;
- } else if (curv->numents == 1) {
- lut->size = 256;
- if (!(lut->data = jas_malloc(lut->size * sizeof(jas_cmreal_t))))
- goto error;
- gamma = curv->ents[0] / 256.0;
- for (i = 0; i < lut->size; ++i) {
- lut->data[i] = gammafn(i / (double) (lut->size - 1), gamma);
- }
- } else {
- lut->size = curv->numents;
- if (!(lut->data = jas_malloc(lut->size * sizeof(jas_cmreal_t))))
- goto error;
- for (i = 0; i < lut->size; ++i) {
- lut->data[i] = curv->ents[i] / 65535.0;
- }
- }
- return 0;
-error:
- return -1;
-}
-
-static jas_cmreal_t jas_cmshapmatlut_lookup(jas_cmshapmatlut_t *lut, jas_cmreal_t x)
-{
- jas_cmreal_t t;
- int lo;
- int hi;
- t = x * (lut->size - 1);
- lo = floor(t);
- if (lo < 0)
- return lut->data[0];
- hi = ceil(t);
- if (hi >= lut->size)
- return lut->data[lut->size - 1];
- return lut->data[lo] + (t - lo) * (lut->data[hi] - lut->data[lo]);
-}
-
-static int jas_cmshapmatlut_invert(jas_cmshapmatlut_t *invlut,
- jas_cmshapmatlut_t *lut, int n)
-{
- int i;
- int j;
- int k;
- jas_cmreal_t ax;
- jas_cmreal_t ay;
- jas_cmreal_t bx;
- jas_cmreal_t by;
- jas_cmreal_t sx;
- jas_cmreal_t sy;
- assert(n >= 2);
- if (invlut->data) {
- jas_free(invlut->data);
- invlut->data = 0;
- }
- /* The sample values should be nondecreasing. */
- for (i = 1; i < lut->size; ++i) {
- if (lut->data[i - 1] > lut->data[i]) {
- assert(0);
- return -1;
- }
- }
- if (!(invlut->data = jas_malloc(n * sizeof(jas_cmreal_t))))
- return -1;
- invlut->size = n;
- for (i = 0; i < invlut->size; ++i) {
- sy = ((double) i) / (invlut->size - 1);
- sx = 1.0;
- for (j = 0; j < lut->size; ++j) {
- ay = lut->data[j];
- if (sy == ay) {
- for (k = j + 1; k < lut->size; ++k) {
- by = lut->data[k];
- if (by != sy)
- break;
-#if 0
-assert(0);
-#endif
- }
- if (k < lut->size) {
- --k;
- ax = ((double) j) / (lut->size - 1);
- bx = ((double) k) / (lut->size - 1);
- sx = (ax + bx) / 2.0;
- }
- break;
- }
- if (j < lut->size - 1) {
- by = lut->data[j + 1];
- if (sy > ay && sy < by) {
- ax = ((double) j) / (lut->size - 1);
- bx = ((double) j + 1) / (lut->size - 1);
- sx = ax +
- (sy - ay) / (by - ay) * (bx - ax);
- break;
- }
- }
- }
- invlut->data[i] = sx;
- }
-#if 0
-for (i=0;i<lut->size;++i)
- jas_eprintf("lut[%d]=%f ", i, lut->data[i]);
-for (i=0;i<invlut->size;++i)
- jas_eprintf("invlut[%d]=%f ", i, invlut->data[i]);
-#endif
- return 0;
-}
-
-static int jas_cmshapmat_invmat(jas_cmreal_t out[3][4], jas_cmreal_t in[3][4])
-{
- jas_cmreal_t d;
- d = in[0][0] * (in[1][1] * in[2][2] - in[1][2] * in[2][1])
- - in[0][1] * (in[1][0] * in[2][2] - in[1][2] * in[2][0])
- + in[0][2] * (in[1][0] * in[2][1] - in[1][1] * in[2][0]);
-#if 0
-jas_eprintf("delta=%f\n", d);
-#endif
- if (JAS_ABS(d) < 1e-6)
- return -1;
- out[0][0] = (in[1][1] * in[2][2] - in[1][2] * in[2][1]) / d;
- out[1][0] = -(in[1][0] * in[2][2] - in[1][2] * in[2][0]) / d;
- out[2][0] = (in[1][0] * in[2][1] - in[1][1] * in[2][0]) / d;
- out[0][1] = -(in[0][1] * in[2][2] - in[0][2] * in[2][1]) / d;
- out[1][1] = (in[0][0] * in[2][2] - in[0][2] * in[2][0]) / d;
- out[2][1] = -(in[0][0] * in[2][1] - in[0][1] * in[2][0]) / d;
- out[0][2] = (in[0][1] * in[1][2] - in[0][2] * in[1][1]) / d;
- out[1][2] = -(in[0][0] * in[1][2] - in[1][0] * in[0][2]) / d;
- out[2][2] = (in[0][0] * in[1][1] - in[0][1] * in[1][0]) / d;
- out[0][3] = -in[0][3];
- out[1][3] = -in[1][3];
- out[2][3] = -in[2][3];
-#if 0
-jas_eprintf("[ %f %f %f %f ]\n[ %f %f %f %f ]\n[ %f %f %f %f ]\n",
-in[0][0], in[0][1], in[0][2], in[0][3],
-in[1][0], in[1][1], in[1][2], in[1][3],
-in[2][0], in[2][1], in[2][2], in[2][3]);
-jas_eprintf("[ %f %f %f %f ]\n[ %f %f %f %f ]\n[ %f %f %f %f ]\n",
-out[0][0], out[0][1], out[0][2], out[0][3],
-out[1][0], out[1][1], out[1][2], out[1][3],
-out[2][0], out[2][1], out[2][2], out[2][3]);
-#endif
- return 0;
-}
-
-/******************************************************************************\
-*
-\******************************************************************************/
-
-static int icctoclrspc(int iccclrspc, int refflag)
-{
- if (refflag) {
- switch (iccclrspc) {
- case JAS_ICC_COLORSPC_XYZ:
- return JAS_CLRSPC_CIEXYZ;
- case JAS_ICC_COLORSPC_LAB:
- return JAS_CLRSPC_CIELAB;
- default:
- abort();
- break;
- }
- } else {
- switch (iccclrspc) {
- case JAS_ICC_COLORSPC_YCBCR:
- return JAS_CLRSPC_GENYCBCR;
- case JAS_ICC_COLORSPC_RGB:
- return JAS_CLRSPC_GENRGB;
- case JAS_ICC_COLORSPC_GRAY:
- return JAS_CLRSPC_GENGRAY;
- default:
- abort();
- break;
- }
- }
-}
-
-static int mono(jas_iccprof_t *iccprof, int op, jas_cmpxformseq_t **retpxformseq)
-{
- jas_iccattrval_t *graytrc;
- jas_cmshapmat_t *shapmat;
- jas_cmpxform_t *pxform;
- jas_cmpxformseq_t *pxformseq;
- jas_cmshapmatlut_t lut;
-
- jas_cmshapmatlut_init(&lut);
- if (!(graytrc = jas_iccprof_getattr(iccprof, JAS_ICC_TAG_GRYTRC)) ||
- graytrc->type != JAS_ICC_TYPE_CURV)
- goto error;
- if (!(pxform = jas_cmpxform_createshapmat()))
- goto error;
- shapmat = &pxform->data.shapmat;
- if (!(pxformseq = jas_cmpxformseq_create()))
- goto error;
- if (jas_cmpxformseq_insertpxform(pxformseq, -1, pxform))
- goto error;
-
- pxform->numinchans = 1;
- pxform->numoutchans = 3;
-
- shapmat->mono = 1;
- shapmat->useluts = 1;
- shapmat->usemat = 1;
- if (!op) {
- shapmat->order = 0;
- shapmat->mat[0][0] = 0.9642;
- shapmat->mat[1][0] = 1.0;
- shapmat->mat[2][0] = 0.8249;
- if (jas_cmshapmatlut_set(&shapmat->luts[0], &graytrc->data.curv))
- goto error;
- } else {
- shapmat->order = 1;
- shapmat->mat[0][0] = 1.0 / 0.9642;
- shapmat->mat[1][0] = 1.0;
- shapmat->mat[2][0] = 1.0 / 0.8249;
- jas_cmshapmatlut_init(&lut);
- if (jas_cmshapmatlut_set(&lut, &graytrc->data.curv))
- goto error;
- if (jas_cmshapmatlut_invert(&shapmat->luts[0], &lut, lut.size))
- goto error;
- jas_cmshapmatlut_cleanup(&lut);
- }
- jas_iccattrval_destroy(graytrc);
- jas_cmpxform_destroy(pxform);
- *retpxformseq = pxformseq;
- return 0;
-error:
- return -1;
-}
-
-static int triclr(jas_iccprof_t *iccprof, int op, jas_cmpxformseq_t **retpxformseq)
-{
- int i;
- jas_iccattrval_t *trcs[3];
- jas_iccattrval_t *cols[3];
- jas_cmshapmat_t *shapmat;
- jas_cmpxform_t *pxform;
- jas_cmpxformseq_t *pxformseq;
- jas_cmreal_t mat[3][4];
- jas_cmshapmatlut_t lut;
-
- pxform = 0;
- pxformseq = 0;
- for (i = 0; i < 3; ++i) {
- trcs[i] = 0;
- cols[i] = 0;
- }
- jas_cmshapmatlut_init(&lut);
-
- if (!(trcs[0] = jas_iccprof_getattr(iccprof, JAS_ICC_TAG_REDTRC)) ||
- !(trcs[1] = jas_iccprof_getattr(iccprof, JAS_ICC_TAG_GRNTRC)) ||
- !(trcs[2] = jas_iccprof_getattr(iccprof, JAS_ICC_TAG_BLUTRC)) ||
- !(cols[0] = jas_iccprof_getattr(iccprof, JAS_ICC_TAG_REDMATCOL)) ||
- !(cols[1] = jas_iccprof_getattr(iccprof, JAS_ICC_TAG_GRNMATCOL)) ||
- !(cols[2] = jas_iccprof_getattr(iccprof, JAS_ICC_TAG_BLUMATCOL)))
- goto error;
- for (i = 0; i < 3; ++i) {
- if (trcs[i]->type != JAS_ICC_TYPE_CURV ||
- cols[i]->type != JAS_ICC_TYPE_XYZ)
- goto error;
- }
- if (!(pxform = jas_cmpxform_createshapmat()))
- goto error;
- pxform->numinchans = 3;
- pxform->numoutchans = 3;
- shapmat = &pxform->data.shapmat;
- if (!(pxformseq = jas_cmpxformseq_create()))
- goto error;
- if (jas_cmpxformseq_insertpxform(pxformseq, -1, pxform))
- goto error;
- shapmat->mono = 0;
- shapmat->useluts = 1;
- shapmat->usemat = 1;
- if (!op) {
- shapmat->order = 0;
- for (i = 0; i < 3; ++i) {
- shapmat->mat[0][i] = cols[i]->data.xyz.x / 65536.0;
- shapmat->mat[1][i] = cols[i]->data.xyz.y / 65536.0;
- shapmat->mat[2][i] = cols[i]->data.xyz.z / 65536.0;
- }
- for (i = 0; i < 3; ++i)
- shapmat->mat[i][3] = 0.0;
- for (i = 0; i < 3; ++i) {
- if (jas_cmshapmatlut_set(&shapmat->luts[i], &trcs[i]->data.curv))
- goto error;
- }
- } else {
- shapmat->order = 1;
- for (i = 0; i < 3; ++i) {
- mat[0][i] = cols[i]->data.xyz.x / 65536.0;
- mat[1][i] = cols[i]->data.xyz.y / 65536.0;
- mat[2][i] = cols[i]->data.xyz.z / 65536.0;
- }
- for (i = 0; i < 3; ++i)
- mat[i][3] = 0.0;
- if (jas_cmshapmat_invmat(shapmat->mat, mat))
- goto error;
- for (i = 0; i < 3; ++i) {
- jas_cmshapmatlut_init(&lut);
- if (jas_cmshapmatlut_set(&lut, &trcs[i]->data.curv))
- goto error;
- if (jas_cmshapmatlut_invert(&shapmat->luts[i], &lut, lut.size))
- goto error;
- jas_cmshapmatlut_cleanup(&lut);
- }
- }
- for (i = 0; i < 3; ++i) {
- jas_iccattrval_destroy(trcs[i]);
- jas_iccattrval_destroy(cols[i]);
- }
- jas_cmpxform_destroy(pxform);
- *retpxformseq = pxformseq;
- return 0;
-
-error:
-
- for (i = 0; i < 3; ++i) {
- if (trcs[i]) {
- jas_iccattrval_destroy(trcs[i]);
- }
- if (cols[i]) {
- jas_iccattrval_destroy(cols[i]);
- }
- }
- if (pxformseq) {
- jas_cmpxformseq_destroy(pxformseq);
- }
- if (pxform) {
- jas_cmpxform_destroy(pxform);
- }
-
- return -1;
-}
-
-static int jas_cmgetint(long **bufptr, int sgnd, int prec, long *val)
-{
- long v;
- int m;
- v = **bufptr;
- if (sgnd) {
- m = (1 << (prec - 1));
- if (v < -m || v >= m)
- return -1;
- } else {
- if (v < 0 || v >= (1 << prec))
- return -1;
- }
- ++(*bufptr);
- *val = v;
- return 0;
-}
-
-static int jas_cmputint(long **bufptr, int sgnd, int prec, long val)
-{
- int m;
- if (sgnd) {
- m = (1 << (prec - 1));
- if (val < -m || val >= m)
- return -1;
- } else {
- if (val < 0 || val >= (1 << prec))
- return -1;
- }
- **bufptr = val;
- ++(*bufptr);
- return 0;
-}
-
-int jas_clrspc_numchans(int clrspc)
-{
- switch (jas_clrspc_fam(clrspc)) {
- case JAS_CLRSPC_FAM_XYZ:
- case JAS_CLRSPC_FAM_LAB:
- case JAS_CLRSPC_FAM_RGB:
- case JAS_CLRSPC_FAM_YCBCR:
- return 3;
- break;
- case JAS_CLRSPC_FAM_GRAY:
- return 1;
- break;
- default:
- abort();
- break;
- }
-}
-
-jas_iccprof_t *jas_iccprof_createfromcmprof(jas_cmprof_t *prof)
-{
- return jas_iccprof_copy(prof->iccprof);
-}
projects / opencv / blobdiff