ref: 7cdf839293bf3c0b5c3f52d368635156530ddf85
dir: /jas_icc.c/
/*
* 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__
*/
#include "jasper/jas_icc.h"
#include "jasper/jas_types.h"
#include "jasper/jas_malloc.h"
#include "jasper/jas_debug.h"
#include "jasper/jas_cm.h"
#include "jasper/jas_stream.h"
#define jas_iccputuint8(out, val) jas_iccputuint(out, 1, val)
#define jas_iccputuint16(out, val) jas_iccputuint(out, 2, val)
#define jas_iccputsint32(out, val) jas_iccputsint(out, 4, val)
#define jas_iccputuint32(out, val) jas_iccputuint(out, 4, val)
#define jas_iccputuint64(out, val) jas_iccputuint(out, 8, val)
static jas_iccattrval_t *jas_iccattrval_create0(void);
static int jas_iccgetuint(jas_stream_t *in, unsigned n, jas_ulonglong *val);
static int jas_iccgetuint8(jas_stream_t *in, jas_iccuint8_t *val);
static int jas_iccgetuint16(jas_stream_t *in, jas_iccuint16_t *val);
static int jas_iccgetsint32(jas_stream_t *in, jas_iccsint32_t *val);
static int jas_iccgetuint32(jas_stream_t *in, jas_iccuint32_t *val);
static int jas_iccgetuint64(jas_stream_t *in, jas_iccuint64_t *val);
//#ifdef JAS_ENABLE_ENCODER
static int jas_iccputuint(jas_stream_t *out, unsigned n, jas_ulonglong val);
static int jas_iccputsint(jas_stream_t *out, unsigned n, jas_longlong val);
//#endif /* JAS_ENABLE_ENCODER */
static jas_iccprof_t *jas_iccprof_create(void);
static int jas_iccprof_readhdr(jas_stream_t *in, jas_icchdr_t *hdr);
//#ifdef JAS_ENABLE_ENCODER
static int jas_iccprof_writehdr(jas_stream_t *out, const jas_icchdr_t *hdr);
//#endif
static int jas_iccprof_gettagtab(jas_stream_t *in, jas_icctagtab_t *tagtab);
static void jas_iccprof_sorttagtab(jas_icctagtab_t *tagtab);
static int jas_iccattrtab_lookup(const jas_iccattrtab_t *attrtab, jas_iccuint32_t name);
static jas_iccattrtab_t *jas_iccattrtab_copy(const jas_iccattrtab_t *attrtab);
static const jas_iccattrvalinfo_t *jas_iccattrvalinfo_lookup(jas_iccsig_t name);
static int jas_iccgettime(jas_stream_t *in, jas_icctime_t *time);
static int jas_iccgetxyz(jas_stream_t *in, jas_iccxyz_t *xyz);
static int jas_icctagtabent_cmp(const void *src, const void *dst);
static void jas_icccurv_destroy(jas_iccattrval_t *attrval);
static int jas_icccurv_copy(jas_iccattrval_t *attrval,
const jas_iccattrval_t *othattrval);
static int jas_icccurv_input(jas_iccattrval_t *attrval, jas_stream_t *in,
unsigned cnt);
static unsigned jas_icccurv_getsize(const jas_iccattrval_t *attrval);
//#ifdef JAS_ENABLE_ENCODER
static int jas_icccurv_output(jas_iccattrval_t *attrval, jas_stream_t *out);
//#endif
static void jas_icctxtdesc_destroy(jas_iccattrval_t *attrval);
static int jas_icctxtdesc_copy(jas_iccattrval_t *attrval,
const jas_iccattrval_t *othattrval);
static int jas_icctxtdesc_input(jas_iccattrval_t *attrval, jas_stream_t *in,
unsigned cnt);
static unsigned jas_icctxtdesc_getsize(const jas_iccattrval_t *attrval);
//#ifdef JAS_ENABLE_ENCODER
static int jas_icctxtdesc_output(jas_iccattrval_t *attrval, jas_stream_t *out);
//#endif
static void jas_icctxt_destroy(jas_iccattrval_t *attrval);
static int jas_icctxt_copy(jas_iccattrval_t *attrval,
const jas_iccattrval_t *othattrval);
static int jas_icctxt_input(jas_iccattrval_t *attrval, jas_stream_t *in,
unsigned cnt);
static unsigned jas_icctxt_getsize(const jas_iccattrval_t *attrval);
//#ifdef JAS_ENABLE_ENCODER
static int jas_icctxt_output(jas_iccattrval_t *attrval, jas_stream_t *out);
//#endif
static int jas_iccxyz_input(jas_iccattrval_t *attrval, jas_stream_t *in,
unsigned cnt);
static unsigned jas_iccxyz_getsize(const jas_iccattrval_t *attrval);
//#ifdef JAS_ENABLE_ENCODER
static int jas_iccxyz_output(jas_iccattrval_t *attrval, jas_stream_t *out);
//#endif
static jas_iccattrtab_t *jas_iccattrtab_create(void);
static void jas_iccattrtab_destroy(jas_iccattrtab_t *tab);
static int jas_iccattrtab_resize(jas_iccattrtab_t *tab, unsigned maxents);
static int jas_iccattrtab_add(jas_iccattrtab_t *attrtab, int i,
jas_iccuint32_t name, jas_iccattrval_t *val);
static int jas_iccattrtab_replace(jas_iccattrtab_t *attrtab, unsigned i,
jas_iccuint32_t name, jas_iccattrval_t *val);
static void jas_iccattrtab_delete(jas_iccattrtab_t *attrtab, unsigned i);
//#ifdef JAS_ENABLE_ENCODER
static unsigned jas_iccpadtomult(unsigned x, unsigned y);
static int jas_iccattrtab_get(jas_iccattrtab_t *attrtab, unsigned i,
jas_iccattrname_t *name, jas_iccattrval_t **val);
static int jas_iccprof_puttagtab(jas_stream_t *out, const jas_icctagtab_t *tagtab);
//#endif /* JAS_ENABLE_ENCODER */
static void jas_icclut16_destroy(jas_iccattrval_t *attrval);
static int jas_icclut16_copy(jas_iccattrval_t *attrval,
const jas_iccattrval_t *othattrval);
static int jas_icclut16_input(jas_iccattrval_t *attrval, jas_stream_t *in,
unsigned cnt);
static unsigned jas_icclut16_getsize(const jas_iccattrval_t *attrval);
//#ifdef JAS_ENABLE_ENCODER
static int jas_icclut16_output(jas_iccattrval_t *attrval, jas_stream_t *out);
//#endif
static void jas_icclut8_destroy(jas_iccattrval_t *attrval);
static int jas_icclut8_copy(jas_iccattrval_t *attrval,
const jas_iccattrval_t *othattrval);
static int jas_icclut8_input(jas_iccattrval_t *attrval, jas_stream_t *in,
unsigned cnt);
static unsigned jas_icclut8_getsize(const jas_iccattrval_t *attrval);
//#ifdef JAS_ENABLE_ENCODER
static int jas_icclut8_output(jas_iccattrval_t *attrval, jas_stream_t *out);
//#endif /* JAS_ENABLE_ENCODER */
//#ifdef JAS_ENABLE_ENCODER
static int jas_iccputtime(jas_stream_t *out, const jas_icctime_t *ctime);
static int jas_iccputxyz(jas_stream_t *out, const jas_iccxyz_t *xyz);
//#endif /* JAS_ENABLE_ENCODER */
static unsigned jas_iccpowi(unsigned x, unsigned n);
static char *jas_iccsigtostr(unsigned sig, char *buf);
static const jas_iccattrvalinfo_t jas_iccattrvalinfos[] = {
{
JAS_ICC_TYPE_CURV, {
jas_icccurv_destroy,
jas_icccurv_copy,
jas_icccurv_input,
//#ifdef JAS_ENABLE_ENCODER
jas_icccurv_output,
//#endif
jas_icccurv_getsize,
},
},
{
JAS_ICC_TYPE_XYZ,
{
0,
0,
jas_iccxyz_input,
//#ifdef JAS_ENABLE_ENCODER
jas_iccxyz_output,
//#endif
jas_iccxyz_getsize,
},
},
{
JAS_ICC_TYPE_TXTDESC,
{
jas_icctxtdesc_destroy,
jas_icctxtdesc_copy,
jas_icctxtdesc_input,
//#ifdef JAS_ENABLE_ENCODER
jas_icctxtdesc_output,
//#endif
jas_icctxtdesc_getsize,
},
},
{
JAS_ICC_TYPE_TXT,
{
jas_icctxt_destroy,
jas_icctxt_copy,
jas_icctxt_input,
//#ifdef JAS_ENABLE_ENCODER
jas_icctxt_output,
//#endif
jas_icctxt_getsize,
},
},
{
JAS_ICC_TYPE_LUT8,
{
jas_icclut8_destroy,
jas_icclut8_copy,
jas_icclut8_input,
//#ifdef JAS_ENABLE_ENCODER
jas_icclut8_output,
//#endif
jas_icclut8_getsize,
},
},
{
JAS_ICC_TYPE_LUT16, {
jas_icclut16_destroy,
jas_icclut16_copy,
jas_icclut16_input,
//#ifdef JAS_ENABLE_ENCODER
jas_icclut16_output,
//#endif
jas_icclut16_getsize,
},
},
{
0,
{
0,
0,
0,
//#ifdef JAS_ENABLE_ENCODER
0,
//#endif
0,
},
}
};
/******************************************************************************\
* profile class
\******************************************************************************/
static jas_iccprof_t *jas_iccprof_create()
{
jas_iccprof_t *prof;
if (!(prof = jas_malloc(sizeof(jas_iccprof_t)))) {
goto error;
}
if (!(prof->attrtab = jas_iccattrtab_create()))
goto error;
memset(&prof->hdr, 0, sizeof(jas_icchdr_t));
prof->tagtab.numents = 0;
prof->tagtab.ents = 0;
return prof;
error:
if (prof)
jas_iccprof_destroy(prof);
return 0;
}
jas_iccprof_t *jas_iccprof_copy(const jas_iccprof_t *prof)
{
jas_iccprof_t *newprof;
if (!(newprof = jas_iccprof_create()))
goto error;
newprof->hdr = prof->hdr;
newprof->tagtab.numents = 0;
newprof->tagtab.ents = 0;
assert(newprof->attrtab);
jas_iccattrtab_destroy(newprof->attrtab);
if (!(newprof->attrtab = jas_iccattrtab_copy(prof->attrtab)))
goto error;
return newprof;
error:
if (newprof)
jas_iccprof_destroy(newprof);
return 0;
}
void jas_iccprof_destroy(jas_iccprof_t *prof)
{
if (prof->attrtab)
jas_iccattrtab_destroy(prof->attrtab);
if (prof->tagtab.ents)
jas_free(prof->tagtab.ents);
jas_free(prof);
}
jas_iccprof_t *jas_iccprof_load(jas_stream_t *in)
{
jas_iccprof_t *prof;
long curoff;
long reloff;
long prevoff;
jas_iccsig_t type;
jas_iccattrval_t *attrval;
jas_iccattrval_t *prevattrval;
attrval = 0;
if (!(prof = jas_iccprof_create())) {
goto error;
}
if (jas_iccprof_readhdr(in, &prof->hdr)) {
jas_eprintf("cannot get header\n");
goto error;
}
if (jas_iccprof_gettagtab(in, &prof->tagtab)) {
jas_eprintf("cannot get tab table\n");
goto error;
}
jas_iccprof_sorttagtab(&prof->tagtab);
const unsigned numtags = prof->tagtab.numents;
curoff = JAS_ICC_HDRLEN + 4 + 12 * numtags;
prevoff = 0;
prevattrval = 0;
for (unsigned i = 0; i < numtags; ++i) {
const jas_icctagtabent_t *tagtabent = &prof->tagtab.ents[i];
if (tagtabent->off == JAS_CAST(jas_iccuint32_t, prevoff)) {
if (prevattrval) {
if (!(attrval = jas_iccattrval_clone(prevattrval)))
goto error;
if (jas_iccprof_setattr(prof, tagtabent->tag, attrval))
goto error;
jas_iccattrval_destroy(attrval);
attrval = 0;
} else {
#if 0
jas_eprintf("warning: skipping unknown tag type\n");
#endif
}
continue;
}
reloff = tagtabent->off - curoff;
if (reloff > 0) {
if (jas_stream_gobble(in, reloff) != reloff)
goto error;
curoff += reloff;
} else if (reloff < 0) {
goto error;
}
prevoff = curoff;
if (jas_iccgetuint32(in, &type)) {
goto error;
}
if (jas_stream_gobble(in, 4) != 4) {
goto error;
}
curoff += 8;
if (!jas_iccattrvalinfo_lookup(type)) {
#if 0
jas_eprintf("warning: skipping unknown tag type\n");
#endif
prevattrval = 0;
continue;
}
if (!(attrval = jas_iccattrval_create(type))) {
goto error;
}
const unsigned len = tagtabent->len - 8;
if ((*attrval->ops->input)(attrval, in, len)) {
goto error;
}
curoff += len;
if (jas_iccprof_setattr(prof, tagtabent->tag, attrval)) {
goto error;
}
prevattrval = attrval; /* This is correct, but slimey. */
jas_iccattrval_destroy(attrval);
attrval = 0;
}
return prof;
error:
if (prof)
jas_iccprof_destroy(prof);
if (attrval)
jas_iccattrval_destroy(attrval);
return 0;
}
int jas_iccprof_save(jas_iccprof_t *prof, jas_stream_t *out)
{
//#ifdef JAS_ENABLE_ENCODER
long curoff;
long reloff;
long newoff;
jas_icctagtabent_t *tagtabent;
jas_icctagtabent_t *sharedtagtabent;
jas_icctagtabent_t *tmptagtabent;
jas_iccuint32_t attrname;
jas_iccattrval_t *attrval;
jas_icctagtab_t *tagtab;
tagtab = &prof->tagtab;
if (!(tagtab->ents = jas_alloc2(prof->attrtab->numattrs,
sizeof(jas_icctagtabent_t))))
goto error;
tagtab->numents = prof->attrtab->numattrs;
curoff = JAS_ICC_HDRLEN + 4 + 12 * tagtab->numents;
for (unsigned i = 0; i < tagtab->numents; ++i) {
tagtabent = &tagtab->ents[i];
if (jas_iccattrtab_get(prof->attrtab, i, &attrname, &attrval))
goto error;
assert(attrval->ops->output);
tagtabent->tag = attrname;
tagtabent->data = &attrval->data;
sharedtagtabent = 0;
for (unsigned j = 0; j < i; ++j) {
tmptagtabent = &tagtab->ents[j];
if (tagtabent->data == tmptagtabent->data) {
sharedtagtabent = tmptagtabent;
break;
}
}
if (sharedtagtabent) {
tagtabent->off = sharedtagtabent->off;
tagtabent->len = sharedtagtabent->len;
tagtabent->first = sharedtagtabent;
} else {
tagtabent->off = curoff;
tagtabent->len = (*attrval->ops->getsize)(attrval) + 8;
tagtabent->first = 0;
if (i < tagtab->numents - 1) {
curoff = jas_iccpadtomult(curoff + tagtabent->len, 4);
} else {
curoff += tagtabent->len;
}
}
jas_iccattrval_destroy(attrval);
}
prof->hdr.size = curoff;
if (jas_iccprof_writehdr(out, &prof->hdr))
goto error;
if (jas_iccprof_puttagtab(out, &prof->tagtab))
goto error;
curoff = JAS_ICC_HDRLEN + 4 + 12 * tagtab->numents;
for (unsigned i = 0; i < tagtab->numents;) {
tagtabent = &tagtab->ents[i];
assert(curoff == JAS_CAST(long, tagtabent->off));
if (jas_iccattrtab_get(prof->attrtab, i, &attrname, &attrval))
goto error;
if (jas_iccputuint32(out, attrval->type) || jas_stream_pad(out,
4, 0) != 4)
goto error;
if ((*attrval->ops->output)(attrval, out))
goto error;
jas_iccattrval_destroy(attrval);
curoff += tagtabent->len;
++i;
while (i < tagtab->numents &&
tagtab->ents[i].first)
++i;
newoff = (i < tagtab->numents) ?
tagtab->ents[i].off : prof->hdr.size;
reloff = newoff - curoff;
assert(reloff >= 0);
if (reloff > 0) {
if (jas_stream_pad(out, reloff, 0) != reloff)
goto error;
curoff += reloff;
}
}
return 0;
error:
/* XXX - need to free some resources here */
//#else
// (void)prof;
// (void)out;
//#endif /* JAS_ENABLE_ENCODER */
return -1;
}
//#ifdef JAS_ENABLE_ENCODER
static int jas_iccprof_writehdr(jas_stream_t *out, const jas_icchdr_t *hdr)
{
if (jas_iccputuint32(out, hdr->size) ||
jas_iccputuint32(out, hdr->cmmtype) ||
jas_iccputuint32(out, hdr->version) ||
jas_iccputuint32(out, hdr->clas) ||
jas_iccputuint32(out, hdr->colorspc) ||
jas_iccputuint32(out, hdr->refcolorspc) ||
jas_iccputtime(out, &hdr->ctime) ||
jas_iccputuint32(out, hdr->magic) ||
jas_iccputuint32(out, hdr->platform) ||
jas_iccputuint32(out, hdr->flags) ||
jas_iccputuint32(out, hdr->maker) ||
jas_iccputuint32(out, hdr->model) ||
jas_iccputuint64(out, hdr->attr) ||
jas_iccputuint32(out, hdr->intent) ||
jas_iccputxyz(out, &hdr->illum) ||
jas_iccputuint32(out, hdr->creator) ||
jas_stream_pad(out, 44, 0) != 44)
return -1;
return 0;
}
static int jas_iccprof_puttagtab(jas_stream_t *out, const jas_icctagtab_t *tagtab)
{
jas_icctagtabent_t *tagtabent;
if (jas_iccputuint32(out, tagtab->numents))
goto error;
for (unsigned i = 0; i < tagtab->numents; ++i) {
tagtabent = &tagtab->ents[i];
if (jas_iccputuint32(out, tagtabent->tag) ||
jas_iccputuint32(out, tagtabent->off) ||
jas_iccputuint32(out, tagtabent->len))
goto error;
}
return 0;
error:
return -1;
}
//#endif
static int jas_iccprof_readhdr(jas_stream_t *in, jas_icchdr_t *hdr)
{
if (jas_iccgetuint32(in, &hdr->size) ||
jas_iccgetuint32(in, &hdr->cmmtype) ||
jas_iccgetuint32(in, &hdr->version) ||
jas_iccgetuint32(in, &hdr->clas) ||
jas_iccgetuint32(in, &hdr->colorspc) ||
jas_iccgetuint32(in, &hdr->refcolorspc) ||
jas_iccgettime(in, &hdr->ctime) ||
jas_iccgetuint32(in, &hdr->magic) ||
jas_iccgetuint32(in, &hdr->platform) ||
jas_iccgetuint32(in, &hdr->flags) ||
jas_iccgetuint32(in, &hdr->maker) ||
jas_iccgetuint32(in, &hdr->model) ||
jas_iccgetuint64(in, &hdr->attr) ||
jas_iccgetuint32(in, &hdr->intent) ||
jas_iccgetxyz(in, &hdr->illum) ||
jas_iccgetuint32(in, &hdr->creator) ||
jas_stream_gobble(in, 44) != 44)
return -1;
return 0;
}
static int jas_iccprof_gettagtab(jas_stream_t *in, jas_icctagtab_t *tagtab)
{
jas_icctagtabent_t *tagtabent;
if (tagtab->ents) {
jas_free(tagtab->ents);
tagtab->ents = 0;
}
if (jas_iccgetuint32(in, &tagtab->numents))
goto error;
if (!(tagtab->ents = jas_alloc2(tagtab->numents,
sizeof(jas_icctagtabent_t))))
goto error;
tagtabent = tagtab->ents;
for (unsigned i = 0; i < tagtab->numents; ++i) {
if (jas_iccgetuint32(in, &tagtabent->tag) ||
jas_iccgetuint32(in, &tagtabent->off) ||
jas_iccgetuint32(in, &tagtabent->len))
goto error;
++tagtabent;
}
return 0;
error:
if (tagtab->ents) {
jas_free(tagtab->ents);
tagtab->ents = 0;
}
return -1;
}
jas_iccattrval_t *jas_iccprof_getattr(const jas_iccprof_t *prof,
jas_iccattrname_t name)
{
int i;
jas_iccattrval_t *attrval;
if ((i = jas_iccattrtab_lookup(prof->attrtab, name)) < 0)
goto error;
if (!(attrval = jas_iccattrval_clone(prof->attrtab->attrs[i].val)))
goto error;
return attrval;
error:
return 0;
}
int jas_iccprof_setattr(jas_iccprof_t *prof, jas_iccattrname_t name,
jas_iccattrval_t *val)
{
int i;
if ((i = jas_iccattrtab_lookup(prof->attrtab, name)) >= 0) {
if (val) {
if (jas_iccattrtab_replace(prof->attrtab, i, name, val))
goto error;
} else {
jas_iccattrtab_delete(prof->attrtab, i);
}
} else {
if (val) {
if (jas_iccattrtab_add(prof->attrtab, -1, name, val))
goto error;
} else {
/* NOP */
}
}
return 0;
error:
return -1;
}
int jas_iccprof_gethdr(const jas_iccprof_t *prof, jas_icchdr_t *hdr)
{
*hdr = prof->hdr;
return 0;
}
int jas_iccprof_sethdr(jas_iccprof_t *prof, const jas_icchdr_t *hdr)
{
prof->hdr = *hdr;
return 0;
}
static void jas_iccprof_sorttagtab(jas_icctagtab_t *tagtab)
{
qsort(tagtab->ents, tagtab->numents, sizeof(jas_icctagtabent_t),
jas_icctagtabent_cmp);
}
static int jas_icctagtabent_cmp(const void *src, const void *dst)
{
const jas_icctagtabent_t *srctagtabent = JAS_CAST(const jas_icctagtabent_t *, src);
const jas_icctagtabent_t *dsttagtabent = JAS_CAST(const jas_icctagtabent_t *, dst);
if (srctagtabent->off > dsttagtabent->off) {
return 1;
} else if (srctagtabent->off < dsttagtabent->off) {
return -1;
}
return 0;
}
static const jas_iccattrvalinfo_t *jas_iccattrvalinfo_lookup(jas_iccsig_t type)
{
const jas_iccattrvalinfo_t *info;
for (info = jas_iccattrvalinfos; info->type; ++info) {
if (info->type == type) {
return info;
}
}
return 0;
}
static int jas_iccgettime(jas_stream_t *in, jas_icctime_t *time)
{
if (jas_iccgetuint16(in, &time->year) ||
jas_iccgetuint16(in, &time->month) ||
jas_iccgetuint16(in, &time->day) ||
jas_iccgetuint16(in, &time->hour) ||
jas_iccgetuint16(in, &time->min) ||
jas_iccgetuint16(in, &time->sec)) {
return -1;
}
return 0;
}
static int jas_iccgetxyz(jas_stream_t *in, jas_iccxyz_t *xyz)
{
if (jas_iccgetsint32(in, &xyz->x) ||
jas_iccgetsint32(in, &xyz->y) ||
jas_iccgetsint32(in, &xyz->z)) {
return -1;
}
return 0;
}
//#ifdef JAS_ENABLE_ENCODER
static int jas_iccputtime(jas_stream_t *out, const jas_icctime_t *time)
{
jas_iccputuint16(out, time->year);
jas_iccputuint16(out, time->month);
jas_iccputuint16(out, time->day);
jas_iccputuint16(out, time->hour);
jas_iccputuint16(out, time->min);
jas_iccputuint16(out, time->sec);
return 0;
}
static int jas_iccputxyz(jas_stream_t *out, const jas_iccxyz_t *xyz)
{
jas_iccputuint32(out, xyz->x);
jas_iccputuint32(out, xyz->y);
jas_iccputuint32(out, xyz->z);
return 0;
}
//#endif /* JAS_ENABLE_ENCODER */
/******************************************************************************\
* attribute table class
\******************************************************************************/
static jas_iccattrtab_t *jas_iccattrtab_create()
{
jas_iccattrtab_t *tab;
if (!(tab = jas_malloc(sizeof(jas_iccattrtab_t))))
goto error;
tab->maxattrs = 0;
tab->numattrs = 0;
tab->attrs = 0;
if (jas_iccattrtab_resize(tab, 32))
goto error;
return tab;
error:
if (tab)
jas_iccattrtab_destroy(tab);
return 0;
}
static jas_iccattrtab_t *jas_iccattrtab_copy(const jas_iccattrtab_t *attrtab)
{
jas_iccattrtab_t *newattrtab;
if (!(newattrtab = jas_iccattrtab_create()))
return NULL;
for (unsigned i = 0; i < attrtab->numattrs; ++i) {
if (jas_iccattrtab_add(newattrtab, i, attrtab->attrs[i].name,
attrtab->attrs[i].val))
goto error;
}
return newattrtab;
error:
jas_iccattrtab_destroy(newattrtab);
return 0;
}
static void jas_iccattrtab_destroy(jas_iccattrtab_t *tab)
{
if (tab->attrs) {
while (tab->numattrs > 0) {
jas_iccattrtab_delete(tab, 0);
}
jas_free(tab->attrs);
}
jas_free(tab);
}
static int jas_iccattrtab_resize(jas_iccattrtab_t *tab, unsigned maxents)
{
jas_iccattr_t *newattrs;
assert(maxents >= tab->numattrs);
newattrs = tab->attrs ? jas_realloc2(tab->attrs, maxents,
sizeof(jas_iccattr_t)) : jas_alloc2(maxents, sizeof(jas_iccattr_t));
if (!newattrs) {
return -1;
}
tab->attrs = newattrs;
tab->maxattrs = maxents;
return 0;
}
static int jas_iccattrtab_add(jas_iccattrtab_t *attrtab, int i,
jas_iccuint32_t name, jas_iccattrval_t *val)
{
jas_iccattr_t *attr;
jas_iccattrval_t *tmpattrval;
if (i < 0) {
i = attrtab->numattrs;
}
assert(i >= 0 && (unsigned)i <= attrtab->numattrs);
if (attrtab->numattrs >= attrtab->maxattrs) {
if (jas_iccattrtab_resize(attrtab, attrtab->numattrs + 32)) {
return -1;
}
}
if (!(tmpattrval = jas_iccattrval_clone(val)))
return -1;
const unsigned n = attrtab->numattrs - i;
if (n > 0)
memmove(&attrtab->attrs[i + 1], &attrtab->attrs[i],
n * sizeof(jas_iccattr_t));
attr = &attrtab->attrs[i];
attr->name = name;
attr->val = tmpattrval;
++attrtab->numattrs;
return 0;
}
static int jas_iccattrtab_replace(jas_iccattrtab_t *attrtab, unsigned i,
jas_iccuint32_t name, jas_iccattrval_t *val)
{
jas_iccattrval_t *newval;
jas_iccattr_t *attr;
if (!(newval = jas_iccattrval_clone(val)))
goto error;
attr = &attrtab->attrs[i];
jas_iccattrval_destroy(attr->val);
attr->name = name;
attr->val = newval;
return 0;
error:
return -1;
}
static void jas_iccattrtab_delete(jas_iccattrtab_t *attrtab, unsigned i)
{
unsigned n;
jas_iccattrval_destroy(attrtab->attrs[i].val);
if ((n = attrtab->numattrs - i - 1) > 0)
memmove(&attrtab->attrs[i], &attrtab->attrs[i + 1],
n * sizeof(jas_iccattr_t));
--attrtab->numattrs;
}
//#ifdef JAS_ENABLE_ENCODER
static int jas_iccattrtab_get(jas_iccattrtab_t *attrtab, unsigned i,
jas_iccattrname_t *name, jas_iccattrval_t **val)
{
jas_iccattr_t *attr;
if (i >= attrtab->numattrs)
goto error;
attr = &attrtab->attrs[i];
*name = attr->name;
if (!(*val = jas_iccattrval_clone(attr->val)))
goto error;
return 0;
error:
return -1;
}
//#endif /* JAS_ENABLE_ENCODER */
static int jas_iccattrtab_lookup(const jas_iccattrtab_t *attrtab,
jas_iccuint32_t name)
{
jas_iccattr_t *attr;
for (unsigned i = 0; i < attrtab->numattrs; ++i) {
attr = &attrtab->attrs[i];
if (attr->name == name)
return i;
}
return -1;
}
/******************************************************************************\
* attribute value class
\******************************************************************************/
jas_iccattrval_t *jas_iccattrval_create(jas_iccuint32_t type)
{
jas_iccattrval_t *attrval;
const jas_iccattrvalinfo_t *info;
if (!(info = jas_iccattrvalinfo_lookup(type)))
goto error;
if (!(attrval = jas_iccattrval_create0()))
goto error;
attrval->ops = &info->ops;
attrval->type = type;
++attrval->refcnt;
memset(&attrval->data, 0, sizeof(attrval->data));
return attrval;
error:
return 0;
}
jas_iccattrval_t *jas_iccattrval_clone(jas_iccattrval_t *attrval)
{
++attrval->refcnt;
return attrval;
}
void jas_iccattrval_destroy(jas_iccattrval_t *attrval)
{
#if 0
jas_eprintf("refcnt=%d\n", attrval->refcnt);
#endif
if (--attrval->refcnt <= 0) {
if (attrval->ops->destroy)
(*attrval->ops->destroy)(attrval);
jas_free(attrval);
}
}
int jas_iccattrval_allowmodify(jas_iccattrval_t **attrvalx)
{
jas_iccattrval_t *newattrval;
jas_iccattrval_t *attrval = *attrvalx;
if (attrval->refcnt > 1) {
if (!(newattrval = jas_iccattrval_create0()))
goto error;
newattrval->ops = attrval->ops;
newattrval->type = attrval->type;
++newattrval->refcnt;
if (newattrval->ops->copy) {
if ((*newattrval->ops->copy)(newattrval, attrval))
goto error;
} else {
memcpy(&newattrval->data, &attrval->data,
sizeof(newattrval->data));
}
*attrvalx = newattrval;
}
return 0;
error:
if (newattrval) {
jas_free(newattrval);
}
return -1;
}
static jas_iccattrval_t *jas_iccattrval_create0()
{
jas_iccattrval_t *attrval;
if (!(attrval = jas_malloc(sizeof(jas_iccattrval_t))))
return 0;
memset(attrval, 0, sizeof(jas_iccattrval_t));
attrval->refcnt = 0;
attrval->ops = 0;
attrval->type = 0;
return attrval;
}
/******************************************************************************\
*
\******************************************************************************/
static int jas_iccxyz_input(jas_iccattrval_t *attrval, jas_stream_t *in,
unsigned len)
{
assert(len == 4 * 3);
(void)len;
return jas_iccgetxyz(in, &attrval->data.xyz);
}
//#ifdef JAS_ENABLE_ENCODER
static int jas_iccxyz_output(jas_iccattrval_t *attrval, jas_stream_t *out)
{
const jas_iccxyz_t *xyz = &attrval->data.xyz;
if (jas_iccputuint32(out, xyz->x) ||
jas_iccputuint32(out, xyz->y) ||
jas_iccputuint32(out, xyz->z))
return -1;
return 0;
}
//#endif /* JAS_ENABLE_ENCODER */
static unsigned jas_iccxyz_getsize(const jas_iccattrval_t *attrval)
{
/* Avoid compiler warnings about unused parameters. */
USED(attrval);
return 12;
}
/******************************************************************************\
* attribute table class
\******************************************************************************/
static void jas_icccurv_destroy(jas_iccattrval_t *attrval)
{
jas_icccurv_t *curv = &attrval->data.curv;
if (curv->ents) {
jas_free(curv->ents);
curv->ents = 0;
}
}
static int jas_icccurv_copy(jas_iccattrval_t *attrval,
const jas_iccattrval_t *othattrval)
{
/* Avoid compiler warnings about unused parameters. */
USED(attrval);
USED(othattrval);
/* Not yet implemented. */
abort();
return -1;
}
static int jas_icccurv_input(jas_iccattrval_t *attrval, jas_stream_t *in,
unsigned cnt)
{
jas_icccurv_t *curv = &attrval->data.curv;
curv->numents = 0;
curv->ents = 0;
if (jas_iccgetuint32(in, &curv->numents))
goto error;
if (!(curv->ents = jas_alloc2(curv->numents, sizeof(jas_iccuint16_t))))
goto error;
for (unsigned i = 0; i < curv->numents; ++i) {
if (jas_iccgetuint16(in, &curv->ents[i]))
goto error;
}
if (4 + 2 * curv->numents != cnt)
goto error;
return 0;
error:
jas_icccurv_destroy(attrval);
return -1;
}
static unsigned jas_icccurv_getsize(const jas_iccattrval_t *attrval)
{
const jas_icccurv_t *curv = &attrval->data.curv;
return 4 + 2 * curv->numents;
}
//#ifdef JAS_ENABLE_ENCODER
static int jas_icccurv_output(jas_iccattrval_t *attrval, jas_stream_t *out)
{
const jas_icccurv_t *curv = &attrval->data.curv;
if (jas_iccputuint32(out, curv->numents))
goto error;
for (unsigned i = 0; i < curv->numents; ++i) {
if (jas_iccputuint16(out, curv->ents[i]))
goto error;
}
return 0;
error:
return -1;
}
//#endif /* JAS_ENABLE_ENCODER */
/******************************************************************************\
*
\******************************************************************************/
static void jas_icctxtdesc_destroy(jas_iccattrval_t *attrval)
{
jas_icctxtdesc_t *txtdesc = &attrval->data.txtdesc;
if (txtdesc->ascdata) {
jas_free(txtdesc->ascdata);
txtdesc->ascdata = 0;
}
if (txtdesc->ucdata) {
jas_free(txtdesc->ucdata);
txtdesc->ucdata = 0;
}
}
static int jas_icctxtdesc_copy(jas_iccattrval_t *attrval,
const jas_iccattrval_t *othattrval)
{
jas_icctxtdesc_t *txtdesc = &attrval->data.txtdesc;
/* Avoid compiler warnings about unused parameters. */
USED(attrval);
USED(othattrval);
USED(txtdesc);
/* Not yet implemented. */
abort();
return -1;
}
static int jas_icctxtdesc_input(jas_iccattrval_t *attrval, jas_stream_t *in,
unsigned cnt)
{
int c;
jas_icctxtdesc_t *txtdesc = &attrval->data.txtdesc;
txtdesc->ascdata = 0;
txtdesc->ucdata = 0;
if (jas_iccgetuint32(in, &txtdesc->asclen))
goto error;
if (txtdesc->asclen < 1)
goto error;
if (!(txtdesc->ascdata = jas_malloc(txtdesc->asclen)))
goto error;
if (jas_stream_read(in, txtdesc->ascdata, txtdesc->asclen) !=
txtdesc->asclen)
goto error;
txtdesc->ascdata[txtdesc->asclen - 1] = '\0';
if (jas_iccgetuint32(in, &txtdesc->uclangcode) ||
jas_iccgetuint32(in, &txtdesc->uclen))
goto error;
if (!(txtdesc->ucdata = jas_alloc2(txtdesc->uclen, 2)))
goto error;
if (jas_stream_read(in, txtdesc->ucdata, txtdesc->uclen * 2) !=
txtdesc->uclen * 2)
goto error;
if (jas_iccgetuint16(in, &txtdesc->sccode))
goto error;
if ((c = jas_stream_getc(in)) == EOF)
goto error;
txtdesc->maclen = c;
if (jas_stream_read(in, txtdesc->macdata, 67) != 67)
goto error;
txtdesc->asclen = JAS_CAST(jas_iccuint32_t, strlen(txtdesc->ascdata) + 1);
#define WORKAROUND_BAD_PROFILES
#ifdef WORKAROUND_BAD_PROFILES
const unsigned n = txtdesc->asclen + txtdesc->uclen * 2 + 15 + 67;
if (n > cnt) {
return -1;
}
if (n < cnt) {
if (jas_stream_gobble(in, cnt - n) != (int)(cnt - n))
goto error;
}
#else
if (txtdesc->asclen + txtdesc->uclen * 2 + 15 + 67 != cnt)
return -1;
#endif
return 0;
error:
jas_icctxtdesc_destroy(attrval);
return -1;
}
static unsigned jas_icctxtdesc_getsize(const jas_iccattrval_t *attrval)
{
const jas_icctxtdesc_t *txtdesc = &attrval->data.txtdesc;
return strlen(txtdesc->ascdata) + 1 + txtdesc->uclen * 2 + 15 + 67;
}
//#ifdef JAS_ENABLE_ENCODER
static int jas_icctxtdesc_output(jas_iccattrval_t *attrval, jas_stream_t *out)
{
const jas_icctxtdesc_t *txtdesc = &attrval->data.txtdesc;
if (jas_iccputuint32(out, txtdesc->asclen) ||
jas_stream_puts(out, txtdesc->ascdata) ||
jas_stream_putc(out, 0) == EOF ||
jas_iccputuint32(out, txtdesc->uclangcode) ||
jas_iccputuint32(out, txtdesc->uclen) ||
jas_stream_write(out, txtdesc->ucdata, txtdesc->uclen * 2) != txtdesc->uclen * 2 ||
jas_iccputuint16(out, txtdesc->sccode) ||
jas_stream_putc(out, txtdesc->maclen) == EOF)
goto error;
if (txtdesc->maclen > 0) {
if (jas_stream_write(out, txtdesc->macdata, 67) != 67)
goto error;
} else {
if (jas_stream_pad(out, 67, 0) != 67)
goto error;
}
return 0;
error:
return -1;
}
//#endif /* JAS_ENABLE_ENCODER */
/******************************************************************************\
*
\******************************************************************************/
static void jas_icctxt_destroy(jas_iccattrval_t *attrval)
{
jas_icctxt_t *txt = &attrval->data.txt;
if (txt->string) {
jas_free(txt->string);
txt->string = 0;
}
}
static int jas_icctxt_copy(jas_iccattrval_t *attrval,
const jas_iccattrval_t *othattrval)
{
jas_icctxt_t *txt = &attrval->data.txt;
const jas_icctxt_t *othtxt = &othattrval->data.txt;
if (!(txt->string = strdup(othtxt->string)))
return -1;
return 0;
}
static int jas_icctxt_input(jas_iccattrval_t *attrval, jas_stream_t *in,
unsigned cnt)
{
jas_icctxt_t *txt = &attrval->data.txt;
txt->string = 0;
if (!(txt->string = jas_malloc(cnt)))
goto error;
if (jas_stream_read(in, txt->string, cnt) != cnt)
goto error;
txt->string[cnt - 1] = '\0';
if (strlen(txt->string) + 1 != cnt)
goto error;
return 0;
error:
jas_icctxt_destroy(attrval);
return -1;
}
static unsigned jas_icctxt_getsize(const jas_iccattrval_t *attrval)
{
const jas_icctxt_t *txt = &attrval->data.txt;
return strlen(txt->string) + 1;
}
//#ifdef JAS_ENABLE_ENCODER
static int jas_icctxt_output(jas_iccattrval_t *attrval, jas_stream_t *out)
{
const jas_icctxt_t *txt = &attrval->data.txt;
if (jas_stream_puts(out, txt->string) ||
jas_stream_putc(out, 0) == EOF)
return -1;
return 0;
}
//#endif /* JAS_ENABLE_ENCODER */
/******************************************************************************\
*
\******************************************************************************/
static void jas_icclut8_destroy(jas_iccattrval_t *attrval)
{
jas_icclut8_t *lut8 = &attrval->data.lut8;
if (lut8->clut) {
jas_free(lut8->clut);
lut8->clut = 0;
}
if (lut8->intabs) {
jas_free(lut8->intabs);
lut8->intabs = 0;
}
if (lut8->intabsbuf) {
jas_free(lut8->intabsbuf);
lut8->intabsbuf = 0;
}
if (lut8->outtabs) {
jas_free(lut8->outtabs);
lut8->outtabs = 0;
}
if (lut8->outtabsbuf) {
jas_free(lut8->outtabsbuf);
lut8->outtabsbuf = 0;
}
}
static int jas_icclut8_copy(jas_iccattrval_t *attrval,
const jas_iccattrval_t *othattrval)
{
/* Avoid compiler warnings about unused parameters. */
USED(attrval);
USED(othattrval);
abort();
return -1;
}
static int jas_icclut8_input(jas_iccattrval_t *attrval, jas_stream_t *in,
unsigned cnt)
{
jas_icclut8_t *lut8 = &attrval->data.lut8;
lut8->clut = 0;
lut8->intabs = 0;
lut8->intabsbuf = 0;
lut8->outtabs = 0;
lut8->outtabsbuf = 0;
if (jas_iccgetuint8(in, &lut8->numinchans) ||
jas_iccgetuint8(in, &lut8->numoutchans) ||
jas_iccgetuint8(in, &lut8->clutlen) ||
jas_stream_getc(in) == EOF)
goto error;
for (unsigned i = 0; i < 3; ++i) {
for (unsigned j = 0; j < 3; ++j) {
if (jas_iccgetsint32(in, &lut8->e[i][j]))
goto error;
}
}
if (jas_iccgetuint16(in, &lut8->numintabents) ||
jas_iccgetuint16(in, &lut8->numouttabents))
goto error;
const unsigned clutsize = jas_iccpowi(lut8->clutlen, lut8->numinchans) * lut8->numoutchans;
if (!(lut8->clut = jas_alloc2(clutsize, sizeof(jas_iccuint8_t))) ||
!(lut8->intabsbuf = jas_alloc3(lut8->numinchans,
lut8->numintabents, sizeof(jas_iccuint8_t))) ||
!(lut8->intabs = jas_alloc2(lut8->numinchans,
sizeof(jas_iccuint8_t *))))
goto error;
for (unsigned i = 0; i < lut8->numinchans; ++i)
lut8->intabs[i] = &lut8->intabsbuf[i * lut8->numintabents];
if (!(lut8->outtabsbuf = jas_alloc3(lut8->numoutchans,
lut8->numouttabents, sizeof(jas_iccuint8_t))) ||
!(lut8->outtabs = jas_alloc2(lut8->numoutchans,
sizeof(jas_iccuint8_t *))))
goto error;
for (unsigned i = 0; i < lut8->numoutchans; ++i)
lut8->outtabs[i] = &lut8->outtabsbuf[i * lut8->numouttabents];
for (unsigned i = 0; i < lut8->numinchans; ++i) {
for (unsigned j = 0; j < lut8->numintabents; ++j) {
if (jas_iccgetuint8(in, &lut8->intabs[i][j]))
goto error;
}
}
for (unsigned i = 0; i < lut8->numoutchans; ++i) {
for (unsigned j = 0; j < lut8->numouttabents; ++j) {
if (jas_iccgetuint8(in, &lut8->outtabs[i][j]))
goto error;
}
}
for (unsigned i = 0; i < clutsize; ++i) {
if (jas_iccgetuint8(in, &lut8->clut[i]))
goto error;
}
if (44 + lut8->numinchans * lut8->numintabents +
lut8->numoutchans * lut8->numouttabents +
jas_iccpowi(lut8->clutlen, lut8->numinchans) * lut8->numoutchans !=
cnt)
goto error;
return 0;
error:
jas_icclut8_destroy(attrval);
return -1;
}
static unsigned jas_icclut8_getsize(const jas_iccattrval_t *attrval)
{
const jas_icclut8_t *lut8 = &attrval->data.lut8;
return 44 + lut8->numinchans * lut8->numintabents +
lut8->numoutchans * lut8->numouttabents +
jas_iccpowi(lut8->clutlen, lut8->numinchans) * lut8->numoutchans;
}
//#ifdef JAS_ENABLE_ENCODER
static int jas_icclut8_output(jas_iccattrval_t *attrval, jas_stream_t *out)
{
jas_icclut8_t *lut8 = &attrval->data.lut8;
lut8->clut = 0;
lut8->intabs = 0;
lut8->intabsbuf = 0;
lut8->outtabs = 0;
lut8->outtabsbuf = 0;
if (jas_stream_putc(out, lut8->numinchans) == EOF ||
jas_stream_putc(out, lut8->numoutchans) == EOF ||
jas_stream_putc(out, lut8->clutlen) == EOF ||
jas_stream_putc(out, 0) == EOF)
goto error;
for (unsigned i = 0; i < 3; ++i) {
for (unsigned j = 0; j < 3; ++j) {
if (jas_iccputsint32(out, lut8->e[i][j]))
goto error;
}
}
if (jas_iccputuint16(out, lut8->numintabents) ||
jas_iccputuint16(out, lut8->numouttabents))
goto error;
for (unsigned i = 0, n = lut8->numinchans * lut8->numintabents; i < n; ++i) {
if (jas_iccputuint8(out, lut8->intabsbuf[i]))
goto error;
}
for (unsigned i = 0, n = lut8->numoutchans * lut8->numouttabents; i < n; ++i) {
if (jas_iccputuint8(out, lut8->outtabsbuf[i]))
goto error;
}
for (unsigned i = 0, n = jas_iccpowi(lut8->clutlen, lut8->numinchans) * lut8->numoutchans; i < n; ++i) {
if (jas_iccputuint8(out, lut8->clut[i]))
goto error;
}
return 0;
error:
return -1;
}
//#endif /* JAS_ENABLE_ENCODER */
/******************************************************************************\
*
\******************************************************************************/
static void jas_icclut16_destroy(jas_iccattrval_t *attrval)
{
jas_icclut16_t *lut16 = &attrval->data.lut16;
if (lut16->clut) {
jas_free(lut16->clut);
lut16->clut = 0;
}
if (lut16->intabs) {
jas_free(lut16->intabs);
lut16->intabs = 0;
}
if (lut16->intabsbuf) {
jas_free(lut16->intabsbuf);
lut16->intabsbuf = 0;
}
if (lut16->outtabs) {
jas_free(lut16->outtabs);
lut16->outtabs = 0;
}
if (lut16->outtabsbuf) {
jas_free(lut16->outtabsbuf);
lut16->outtabsbuf = 0;
}
}
static int jas_icclut16_copy(jas_iccattrval_t *attrval,
const jas_iccattrval_t *othattrval)
{
/* Avoid compiler warnings about unused parameters. */
USED(attrval);
USED(othattrval);
/* Not yet implemented. */
abort();
return -1;
}
static int jas_icclut16_input(jas_iccattrval_t *attrval, jas_stream_t *in,
unsigned cnt)
{
jas_icclut16_t *lut16 = &attrval->data.lut16;
lut16->clut = 0;
lut16->intabs = 0;
lut16->intabsbuf = 0;
lut16->outtabs = 0;
lut16->outtabsbuf = 0;
if (jas_iccgetuint8(in, &lut16->numinchans) ||
jas_iccgetuint8(in, &lut16->numoutchans) ||
jas_iccgetuint8(in, &lut16->clutlen) ||
jas_stream_getc(in) == EOF)
goto error;
for (unsigned i = 0; i < 3; ++i) {
for (unsigned j = 0; j < 3; ++j) {
if (jas_iccgetsint32(in, &lut16->e[i][j]))
goto error;
}
}
if (jas_iccgetuint16(in, &lut16->numintabents) ||
jas_iccgetuint16(in, &lut16->numouttabents))
goto error;
const unsigned clutsize = jas_iccpowi(lut16->clutlen, lut16->numinchans) * lut16->numoutchans;
if (!(lut16->clut = jas_alloc2(clutsize, sizeof(jas_iccuint16_t))) ||
!(lut16->intabsbuf = jas_alloc3(lut16->numinchans,
lut16->numintabents, sizeof(jas_iccuint16_t))) ||
!(lut16->intabs = jas_alloc2(lut16->numinchans,
sizeof(jas_iccuint16_t *))))
goto error;
for (unsigned i = 0; i < lut16->numinchans; ++i)
lut16->intabs[i] = &lut16->intabsbuf[i * lut16->numintabents];
if (!(lut16->outtabsbuf = jas_alloc3(lut16->numoutchans,
lut16->numouttabents, sizeof(jas_iccuint16_t))) ||
!(lut16->outtabs = jas_alloc2(lut16->numoutchans,
sizeof(jas_iccuint16_t *))))
goto error;
for (unsigned i = 0; i < lut16->numoutchans; ++i)
lut16->outtabs[i] = &lut16->outtabsbuf[i * lut16->numouttabents];
for (unsigned i = 0; i < lut16->numinchans; ++i) {
for (unsigned j = 0; j < lut16->numintabents; ++j) {
if (jas_iccgetuint16(in, &lut16->intabs[i][j]))
goto error;
}
}
for (unsigned i = 0; i < lut16->numoutchans; ++i) {
for (unsigned j = 0; j < lut16->numouttabents; ++j) {
if (jas_iccgetuint16(in, &lut16->outtabs[i][j]))
goto error;
}
}
for (unsigned i = 0; i < clutsize; ++i) {
if (jas_iccgetuint16(in, &lut16->clut[i]))
goto error;
}
if (44 + 2 * (lut16->numinchans * lut16->numintabents +
lut16->numoutchans * lut16->numouttabents +
jas_iccpowi(lut16->clutlen, lut16->numinchans) *
lut16->numoutchans) != cnt)
goto error;
return 0;
error:
jas_icclut16_destroy(attrval);
return -1;
}
static unsigned jas_icclut16_getsize(const jas_iccattrval_t *attrval)
{
const jas_icclut16_t *lut16 = &attrval->data.lut16;
return 44 + 2 * (lut16->numinchans * lut16->numintabents +
lut16->numoutchans * lut16->numouttabents +
jas_iccpowi(lut16->clutlen, lut16->numinchans) * lut16->numoutchans);
}
//#ifdef JAS_ENABLE_ENCODER
static int jas_icclut16_output(jas_iccattrval_t *attrval, jas_stream_t *out)
{
const jas_icclut16_t *lut16 = &attrval->data.lut16;
if (jas_stream_putc(out, lut16->numinchans) == EOF ||
jas_stream_putc(out, lut16->numoutchans) == EOF ||
jas_stream_putc(out, lut16->clutlen) == EOF ||
jas_stream_putc(out, 0) == EOF)
goto error;
for (unsigned i = 0; i < 3; ++i) {
for (unsigned j = 0; j < 3; ++j) {
if (jas_iccputsint32(out, lut16->e[i][j]))
goto error;
}
}
if (jas_iccputuint16(out, lut16->numintabents) ||
jas_iccputuint16(out, lut16->numouttabents))
goto error;
for (unsigned i = 0, n = lut16->numinchans * lut16->numintabents; i < n; ++i) {
if (jas_iccputuint16(out, lut16->intabsbuf[i]))
goto error;
}
for (unsigned i = 0, n = lut16->numoutchans * lut16->numouttabents; i < n; ++i) {
if (jas_iccputuint16(out, lut16->outtabsbuf[i]))
goto error;
}
for (unsigned i = 0, n = jas_iccpowi(lut16->clutlen, lut16->numinchans) * lut16->numoutchans; i < n; ++i) {
if (jas_iccputuint16(out, lut16->clut[i]))
goto error;
}
return 0;
error:
return -1;
}
//#endif /* JAS_ENABLE_ENCODER */
/******************************************************************************\
*
\******************************************************************************/
static int jas_iccgetuint(jas_stream_t *in, unsigned n, jas_ulonglong *val)
{
int c;
jas_ulonglong v;
v = 0;
for (unsigned i = n; i > 0; --i) {
if ((c = jas_stream_getc(in)) == EOF)
return -1;
v = (v << 8) | c;
}
*val = v;
return 0;
}
static int jas_iccgetuint8(jas_stream_t *in, jas_iccuint8_t *val)
{
int c;
if ((c = jas_stream_getc(in)) == EOF)
return -1;
*val = c;
return 0;
}
static int jas_iccgetuint16(jas_stream_t *in, jas_iccuint16_t *val)
{
jas_ulonglong tmp;
if (jas_iccgetuint(in, 2, &tmp))
return -1;
*val = (jas_iccuint16_t)tmp;
return 0;
}
static int jas_iccgetsint32(jas_stream_t *in, jas_iccsint32_t *val)
{
jas_ulonglong tmp;
if (jas_iccgetuint(in, 4, &tmp))
return -1;
*val = (tmp & 0x80000000) ? (-JAS_CAST(jas_longlong, (((~tmp) &
0x7fffffff) + 1))) : JAS_CAST(jas_longlong, tmp);
return 0;
}
static int jas_iccgetuint32(jas_stream_t *in, jas_iccuint32_t *val)
{
jas_ulonglong tmp;
if (jas_iccgetuint(in, 4, &tmp))
return -1;
*val = (jas_iccuint32_t)tmp;
return 0;
}
static int jas_iccgetuint64(jas_stream_t *in, jas_iccuint64_t *val)
{
jas_ulonglong tmp;
if (jas_iccgetuint(in, 8, &tmp))
return -1;
*val = (jas_iccuint64_t)tmp;
return 0;
}
//#ifdef JAS_ENABLE_ENCODER
static int jas_iccputuint(jas_stream_t *out, unsigned n, jas_ulonglong val)
{
int c;
for (unsigned i = n; i > 0; --i) {
c = (val >> (8 * (i - 1))) & 0xff;
if (jas_stream_putc(out, c) == EOF)
return -1;
}
return 0;
}
static int jas_iccputsint(jas_stream_t *out, unsigned n, jas_longlong val)
{
assert(val >= 0);
jas_ulonglong tmp;
tmp = (val < 0) ? 0 : val;
return jas_iccputuint(out, n, tmp);
}
//#endif /* JAS_ENABLE_ENCODER */
/******************************************************************************\
*
\******************************************************************************/
static char *jas_iccsigtostr(unsigned sig, char *buf)
{
int c;
char *bufptr;
bufptr = buf;
for (unsigned n = 4; n > 0; --n) {
c = (sig >> 24) & 0xff;
if (isalpha(c) || isdigit(c)) {
*bufptr++ = c;
}
sig <<= 8;
}
*bufptr = '\0';
return buf;
}
//#ifdef JAS_ENABLE_ENCODER
static unsigned jas_iccpadtomult(unsigned x, unsigned y)
{
return ((x + y - 1) / y) * y;
}
//#endif /* JAS_ENABLE_ENCODER */
static unsigned jas_iccpowi(unsigned x, unsigned n)
{
unsigned y;
y = 1;
while (n-- > 0)
y *= x;
return y;
}
jas_iccprof_t *jas_iccprof_createfrombuf(const jas_uchar *buf, unsigned len)
{
jas_stream_t *in;
jas_iccprof_t *prof;
if (!(in = jas_stream_memopen(JAS_CAST(char *, buf), len)))
goto error;
if (!(prof = jas_iccprof_load(in)))
goto error;
jas_stream_close(in);
return prof;
error:
if (in)
jas_stream_close(in);
return 0;
}
jas_iccprof_t *jas_iccprof_createfromclrspc(unsigned clrspc)
{
jas_iccprof_t *prof;
switch (clrspc) {
case JAS_CLRSPC_SRGB:
prof = jas_iccprof_createfrombuf(jas_iccprofdata_srgb,
jas_iccprofdata_srgblen);
break;
case JAS_CLRSPC_SGRAY:
prof = jas_iccprof_createfrombuf(jas_iccprofdata_sgray,
jas_iccprofdata_sgraylen);
break;
default:
prof = 0;
break;
}
return prof;
}