diff options
Diffstat (limited to 'src/libjasper/base/jas_icc.c')
| -rw-r--r-- | src/libjasper/base/jas_icc.c | 1722 |
1 files changed, 1722 insertions, 0 deletions
diff --git a/src/libjasper/base/jas_icc.c b/src/libjasper/base/jas_icc.c new file mode 100644 index 0000000..e5a0a2e --- /dev/null +++ b/src/libjasper/base/jas_icc.c @@ -0,0 +1,1722 @@ +/* + * 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 <assert.h> +#include <jasper/jas_config.h> +#include <jasper/jas_types.h> +#include <jasper/jas_malloc.h> +#include <jasper/jas_debug.h> +#include <jasper/jas_icc.h> +#include <jasper/jas_cm.h> +#include <jasper/jas_stream.h> +#include <jasper/jas_string.h> + +#include <stdlib.h> +#include <ctype.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, int n, 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); +static int jas_iccputuint(jas_stream_t *out, int n, ulonglong val); +static int jas_iccputsint(jas_stream_t *out, int n, longlong val); +static jas_iccprof_t *jas_iccprof_create(void); +static int jas_iccprof_readhdr(jas_stream_t *in, jas_icchdr_t *hdr); +static int jas_iccprof_writehdr(jas_stream_t *out, jas_icchdr_t *hdr); +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(jas_iccattrtab_t *attrtab, jas_iccuint32_t name); +static jas_iccattrtab_t *jas_iccattrtab_copy(jas_iccattrtab_t *attrtab); +static 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, + jas_iccattrval_t *othattrval); +static int jas_icccurv_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt); +static int jas_icccurv_getsize(jas_iccattrval_t *attrval); +static int jas_icccurv_output(jas_iccattrval_t *attrval, jas_stream_t *out); +static void jas_icccurv_dump(jas_iccattrval_t *attrval, FILE *out); + +static void jas_icctxtdesc_destroy(jas_iccattrval_t *attrval); +static int jas_icctxtdesc_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval); +static int jas_icctxtdesc_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt); +static int jas_icctxtdesc_getsize(jas_iccattrval_t *attrval); +static int jas_icctxtdesc_output(jas_iccattrval_t *attrval, jas_stream_t *out); +static void jas_icctxtdesc_dump(jas_iccattrval_t *attrval, FILE *out); + +static void jas_icctxt_destroy(jas_iccattrval_t *attrval); +static int jas_icctxt_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval); +static int jas_icctxt_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt); +static int jas_icctxt_getsize(jas_iccattrval_t *attrval); +static int jas_icctxt_output(jas_iccattrval_t *attrval, jas_stream_t *out); +static void jas_icctxt_dump(jas_iccattrval_t *attrval, FILE *out); + +static int jas_iccxyz_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt); +static int jas_iccxyz_getsize(jas_iccattrval_t *attrval); +static int jas_iccxyz_output(jas_iccattrval_t *attrval, jas_stream_t *out); +static void jas_iccxyz_dump(jas_iccattrval_t *attrval, FILE *out); + +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, int 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, int i, + jas_iccuint32_t name, jas_iccattrval_t *val); +static void jas_iccattrtab_delete(jas_iccattrtab_t *attrtab, int i); +static long jas_iccpadtomult(long x, long y); +static int jas_iccattrtab_get(jas_iccattrtab_t *attrtab, int i, + jas_iccattrname_t *name, jas_iccattrval_t **val); +static int jas_iccprof_puttagtab(jas_stream_t *out, jas_icctagtab_t *tagtab); + +static void jas_icclut16_destroy(jas_iccattrval_t *attrval); +static int jas_icclut16_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval); +static int jas_icclut16_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt); +static int jas_icclut16_getsize(jas_iccattrval_t *attrval); +static int jas_icclut16_output(jas_iccattrval_t *attrval, jas_stream_t *out); +static void jas_icclut16_dump(jas_iccattrval_t *attrval, FILE *out); + +static void jas_icclut8_destroy(jas_iccattrval_t *attrval); +static int jas_icclut8_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval); +static int jas_icclut8_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt); +static int jas_icclut8_getsize(jas_iccattrval_t *attrval); +static int jas_icclut8_output(jas_iccattrval_t *attrval, jas_stream_t *out); +static void jas_icclut8_dump(jas_iccattrval_t *attrval, FILE *out); + +static int jas_iccputtime(jas_stream_t *out, jas_icctime_t *ctime); +static int jas_iccputxyz(jas_stream_t *out, jas_iccxyz_t *xyz); + +static long jas_iccpowi(int x, int n); + +static char *jas_iccsigtostr(int sig, char *buf); + + +jas_iccattrvalinfo_t jas_iccattrvalinfos[] = { + {JAS_ICC_TYPE_CURV, {jas_icccurv_destroy, jas_icccurv_copy, + jas_icccurv_input, jas_icccurv_output, jas_icccurv_getsize, + jas_icccurv_dump}}, + {JAS_ICC_TYPE_XYZ, {0, 0, jas_iccxyz_input, jas_iccxyz_output, + jas_iccxyz_getsize, jas_iccxyz_dump}}, + {JAS_ICC_TYPE_TXTDESC, {jas_icctxtdesc_destroy, + jas_icctxtdesc_copy, jas_icctxtdesc_input, jas_icctxtdesc_output, + jas_icctxtdesc_getsize, jas_icctxtdesc_dump}}, + {JAS_ICC_TYPE_TXT, {jas_icctxt_destroy, jas_icctxt_copy, + jas_icctxt_input, jas_icctxt_output, jas_icctxt_getsize, + jas_icctxt_dump}}, + {JAS_ICC_TYPE_LUT8, {jas_icclut8_destroy, jas_icclut8_copy, + jas_icclut8_input, jas_icclut8_output, jas_icclut8_getsize, + jas_icclut8_dump}}, + {JAS_ICC_TYPE_LUT16, {jas_icclut16_destroy, jas_icclut16_copy, + jas_icclut16_input, jas_icclut16_output, jas_icclut16_getsize, + jas_icclut16_dump}}, + {0, {0, 0, 0, 0, 0, 0}} +}; + +typedef struct { + jas_iccuint32_t tag; + char *name; +} jas_icctaginfo_t; + +/******************************************************************************\ +* profile class +\******************************************************************************/ + +static jas_iccprof_t *jas_iccprof_create() +{ + jas_iccprof_t *prof; + prof = 0; + 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(jas_iccprof_t *prof) +{ + jas_iccprof_t *newprof; + newprof = 0; + 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); +} + +void jas_iccprof_dump(jas_iccprof_t *prof, FILE *out) +{ + jas_iccattrtab_dump(prof->attrtab, out); +} + +jas_iccprof_t *jas_iccprof_load(jas_stream_t *in) +{ + jas_iccprof_t *prof; + int numtags; + long curoff; + long reloff; + long prevoff; + jas_iccsig_t type; + jas_iccattrval_t *attrval; + jas_iccattrval_t *prevattrval; + jas_icctagtabent_t *tagtabent; + jas_iccattrvalinfo_t *attrvalinfo; + int i; + int len; + + prof = 0; + 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); + + numtags = prof->tagtab.numents; + curoff = JAS_ICC_HDRLEN + 4 + 12 * numtags; + prevoff = 0; + prevattrval = 0; + for (i = 0; i < numtags; ++i) { + 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); + } 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) { + /* This should never happen since we read the tagged + element data in a single pass. */ + abort(); + } + prevoff = curoff; + if (jas_iccgetuint32(in, &type)) { + goto error; + } + if (jas_stream_gobble(in, 4) != 4) { + goto error; + } + curoff += 8; + if (!(attrvalinfo = 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; + } + 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) +{ + long curoff; + long reloff; + long newoff; + int i; + int j; + 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_malloc(prof->attrtab->numattrs * + sizeof(jas_icctagtabent_t)))) + goto error; + tagtab->numents = prof->attrtab->numattrs; + curoff = JAS_ICC_HDRLEN + 4 + 12 * tagtab->numents; + for (i = 0; i < JAS_CAST(int, 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 (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 < JAS_CAST(int, 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 (i = 0; i < JAS_CAST(int, 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 < JAS_CAST(int, tagtab->numents) && + tagtab->ents[i].first) + ++i; + newoff = (i < JAS_CAST(int, 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 */ + return -1; +} + +static int jas_iccprof_writehdr(jas_stream_t *out, 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, jas_icctagtab_t *tagtab) +{ + int i; + jas_icctagtabent_t *tagtabent; + if (jas_iccputuint32(out, tagtab->numents)) + goto error; + for (i = 0; i < JAS_CAST(int, 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; +} + +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) +{ + int i; + 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_malloc(tagtab->numents * + sizeof(jas_icctagtabent_t)))) + goto error; + tagtabent = tagtab->ents; + for (i = 0; i < JAS_CAST(long, 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(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(jas_iccprof_t *prof, jas_icchdr_t *hdr) +{ + *hdr = prof->hdr; + return 0; +} + +int jas_iccprof_sethdr(jas_iccprof_t *prof, 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) +{ + jas_icctagtabent_t *srctagtabent = JAS_CAST(jas_icctagtabent_t *, src); + jas_icctagtabent_t *dsttagtabent = JAS_CAST(jas_icctagtabent_t *, dst); + if (srctagtabent->off > dsttagtabent->off) { + return 1; + } else if (srctagtabent->off < dsttagtabent->off) { + return -1; + } + return 0; +} + +static jas_iccattrvalinfo_t *jas_iccattrvalinfo_lookup(jas_iccsig_t type) +{ + jas_iccattrvalinfo_t *info; + info = jas_iccattrvalinfos; + 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; +} + +static int jas_iccputtime(jas_stream_t *out, 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, jas_iccxyz_t *xyz) +{ + jas_iccputuint32(out, xyz->x); + jas_iccputuint32(out, xyz->y); + jas_iccputuint32(out, xyz->z); + return 0; +} + +/******************************************************************************\ +* attribute table class +\******************************************************************************/ + +static jas_iccattrtab_t *jas_iccattrtab_create() +{ + jas_iccattrtab_t *tab; + tab = 0; + 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(jas_iccattrtab_t *attrtab) +{ + jas_iccattrtab_t *newattrtab; + int i; + if (!(newattrtab = jas_iccattrtab_create())) + goto error; + for (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: + 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); +} + +void jas_iccattrtab_dump(jas_iccattrtab_t *attrtab, FILE *out) +{ + int i; + jas_iccattr_t *attr; + jas_iccattrval_t *attrval; + jas_iccattrvalinfo_t *info; + char buf[16]; + fprintf(out, "numattrs=%d\n", attrtab->numattrs); + fprintf(out, "---\n"); + for (i = 0; i < attrtab->numattrs; ++i) { + attr = &attrtab->attrs[i]; + attrval = attr->val; + info = jas_iccattrvalinfo_lookup(attrval->type); + if (!info) abort(); + fprintf(out, "attrno=%d; attrname=\"%s\"(0x%08x); attrtype=\"%s\"(0x%08x)\n", + i, + jas_iccsigtostr(attr->name, &buf[0]), + attr->name, + jas_iccsigtostr(attrval->type, &buf[8]), + attrval->type + ); + jas_iccattrval_dump(attrval, out); + fprintf(out, "---\n"); + } +} + +static int jas_iccattrtab_resize(jas_iccattrtab_t *tab, int maxents) +{ + jas_iccattr_t *newattrs; + assert(maxents >= tab->numattrs); + newattrs = tab->attrs ? jas_realloc(tab->attrs, maxents * + sizeof(jas_iccattr_t)) : jas_malloc(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) +{ + int n; + jas_iccattr_t *attr; + jas_iccattrval_t *tmpattrval; + tmpattrval = 0; + if (i < 0) { + i = attrtab->numattrs; + } + assert(i >= 0 && i <= attrtab->numattrs); + if (attrtab->numattrs >= attrtab->maxattrs) { + if (jas_iccattrtab_resize(attrtab, attrtab->numattrs + 32)) { + goto error; + } + } + if (!(tmpattrval = jas_iccattrval_clone(val))) + goto error; + 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; +error: + if (tmpattrval) + jas_iccattrval_destroy(tmpattrval); + return -1; +} + +static int jas_iccattrtab_replace(jas_iccattrtab_t *attrtab, int 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, int i) +{ + int 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; +} + +static int jas_iccattrtab_get(jas_iccattrtab_t *attrtab, int i, + jas_iccattrname_t *name, jas_iccattrval_t **val) +{ + jas_iccattr_t *attr; + if (i < 0 || 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; +} + +static int jas_iccattrtab_lookup(jas_iccattrtab_t *attrtab, + jas_iccuint32_t name) +{ + int i; + jas_iccattr_t *attr; + for (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; + 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); + } +} + +void jas_iccattrval_dump(jas_iccattrval_t *attrval, FILE *out) +{ + char buf[8]; + jas_iccsigtostr(attrval->type, buf); + fprintf(out, "refcnt = %d; type = 0x%08x %s\n", attrval->refcnt, + attrval->type, jas_iccsigtostr(attrval->type, &buf[0])); + if (attrval->ops->dump) { + (*attrval->ops->dump)(attrval, out); + } +} + +int jas_iccattrval_allowmodify(jas_iccattrval_t **attrvalx) +{ + jas_iccattrval_t *newattrval; + jas_iccattrval_t *attrval = *attrvalx; + newattrval = 0; + 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, + int len) +{ + if (len != 4 * 3) abort(); + return jas_iccgetxyz(in, &attrval->data.xyz); +} + +static int jas_iccxyz_output(jas_iccattrval_t *attrval, jas_stream_t *out) +{ + 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; +} + +static int jas_iccxyz_getsize(jas_iccattrval_t *attrval) +{ + /* Avoid compiler warnings about unused parameters. */ + attrval = 0; + + return 12; +} + +static void jas_iccxyz_dump(jas_iccattrval_t *attrval, FILE *out) +{ + jas_iccxyz_t *xyz = &attrval->data.xyz; + fprintf(out, "(%f, %f, %f)\n", xyz->x / 65536.0, xyz->y / 65536.0, xyz->z / 65536.0); +} + +/******************************************************************************\ +* 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); +} + +static int jas_icccurv_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval) +{ + /* Avoid compiler warnings about unused parameters. */ + attrval = 0; + othattrval = 0; + + /* Not yet implemented. */ + abort(); + return -1; +} + +static int jas_icccurv_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt) +{ + jas_icccurv_t *curv = &attrval->data.curv; + unsigned int i; + + curv->numents = 0; + curv->ents = 0; + + if (jas_iccgetuint32(in, &curv->numents)) + goto error; + if (!(curv->ents = jas_malloc(curv->numents * sizeof(jas_iccuint16_t)))) + goto error; + for (i = 0; i < curv->numents; ++i) { + if (jas_iccgetuint16(in, &curv->ents[i])) + goto error; + } + + if (JAS_CAST(int, 4 + 2 * curv->numents) != cnt) + goto error; + return 0; + +error: + jas_icccurv_destroy(attrval); + return -1; +} + +static int jas_icccurv_getsize(jas_iccattrval_t *attrval) +{ + jas_icccurv_t *curv = &attrval->data.curv; + return 4 + 2 * curv->numents; +} + +static int jas_icccurv_output(jas_iccattrval_t *attrval, jas_stream_t *out) +{ + jas_icccurv_t *curv = &attrval->data.curv; + unsigned int i; + + if (jas_iccputuint32(out, curv->numents)) + goto error; + for (i = 0; i < curv->numents; ++i) { + if (jas_iccputuint16(out, curv->ents[i])) + goto error; + } + return 0; +error: + return -1; +} + +static void jas_icccurv_dump(jas_iccattrval_t *attrval, FILE *out) +{ + int i; + jas_icccurv_t *curv = &attrval->data.curv; + fprintf(out, "number of entires = %d\n", curv->numents); + if (curv->numents == 1) { + fprintf(out, "gamma = %f\n", curv->ents[0] / 256.0); + } else { + for (i = 0; i < JAS_CAST(int, curv->numents); ++i) { + if (i < 3 || i >= JAS_CAST(int, curv->numents) - 3) { + fprintf(out, "entry[%d] = %f\n", i, curv->ents[i] / 65535.0); + } + } + } +} + +/******************************************************************************\ +* +\******************************************************************************/ + +static void jas_icctxtdesc_destroy(jas_iccattrval_t *attrval) +{ + jas_icctxtdesc_t *txtdesc = &attrval->data.txtdesc; + if (txtdesc->ascdata) + jas_free(txtdesc->ascdata); + if (txtdesc->ucdata) + jas_free(txtdesc->ucdata); +} + +static int jas_icctxtdesc_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval) +{ + jas_icctxtdesc_t *txtdesc = &attrval->data.txtdesc; + + /* Avoid compiler warnings about unused parameters. */ + attrval = 0; + othattrval = 0; + txtdesc = 0; + + /* Not yet implemented. */ + abort(); + return -1; +} + +static int jas_icctxtdesc_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt) +{ + int n; + 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->ascdata = jas_malloc(txtdesc->asclen))) + goto error; + if (jas_stream_read(in, txtdesc->ascdata, txtdesc->asclen) != + JAS_CAST(int, 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_malloc(txtdesc->uclen * 2))) + goto error; + if (jas_stream_read(in, txtdesc->ucdata, txtdesc->uclen * 2) != + JAS_CAST(int, 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 = strlen(txtdesc->ascdata) + 1; +#define WORKAROUND_BAD_PROFILES +#ifdef WORKAROUND_BAD_PROFILES + n = txtdesc->asclen + txtdesc->uclen * 2 + 15 + 67; + if (n > cnt) { + return -1; + } + if (n < cnt) { + if (jas_stream_gobble(in, cnt - n) != 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 int jas_icctxtdesc_getsize(jas_iccattrval_t *attrval) +{ + jas_icctxtdesc_t *txtdesc = &attrval->data.txtdesc; + return strlen(txtdesc->ascdata) + 1 + txtdesc->uclen * 2 + 15 + 67; +} + +static int jas_icctxtdesc_output(jas_iccattrval_t *attrval, jas_stream_t *out) +{ + 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) != JAS_CAST(int, 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; +} + +static void jas_icctxtdesc_dump(jas_iccattrval_t *attrval, FILE *out) +{ + jas_icctxtdesc_t *txtdesc = &attrval->data.txtdesc; + fprintf(out, "ascii = \"%s\"\n", txtdesc->ascdata); + fprintf(out, "uclangcode = %d; uclen = %d\n", txtdesc->uclangcode, + txtdesc->uclen); + fprintf(out, "sccode = %d\n", txtdesc->sccode); + fprintf(out, "maclen = %d\n", txtdesc->maclen); +} + +/******************************************************************************\ +* +\******************************************************************************/ + +static void jas_icctxt_destroy(jas_iccattrval_t *attrval) +{ + jas_icctxt_t *txt = &attrval->data.txt; + if (txt->string) + jas_free(txt->string); +} + +static int jas_icctxt_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval) +{ + jas_icctxt_t *txt = &attrval->data.txt; + jas_icctxt_t *othtxt = &othattrval->data.txt; + if (!(txt->string = jas_strdup(othtxt->string))) + return -1; + return 0; +} + +static int jas_icctxt_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int 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 (JAS_CAST(int, strlen(txt->string)) + 1 != cnt) + goto error; + return 0; +error: + if (txt->string) + jas_free(txt->string); + return -1; +} + +static int jas_icctxt_getsize(jas_iccattrval_t *attrval) +{ + jas_icctxt_t *txt = &attrval->data.txt; + return strlen(txt->string) + 1; +} + +static int jas_icctxt_output(jas_iccattrval_t *attrval, jas_stream_t *out) +{ + jas_icctxt_t *txt = &attrval->data.txt; + if (jas_stream_puts(out, txt->string) || + jas_stream_putc(out, 0) == EOF) + return -1; + return 0; +} + +static void jas_icctxt_dump(jas_iccattrval_t *attrval, FILE *out) +{ + jas_icctxt_t *txt = &attrval->data.txt; + fprintf(out, "string = \"%s\"\n", txt->string); +} + +/******************************************************************************\ +* +\******************************************************************************/ + +static void jas_icclut8_destroy(jas_iccattrval_t *attrval) +{ + jas_icclut8_t *lut8 = &attrval->data.lut8; + if (lut8->clut) + jas_free(lut8->clut); + if (lut8->intabs) + jas_free(lut8->intabs); + if (lut8->intabsbuf) + jas_free(lut8->intabsbuf); + if (lut8->outtabs) + jas_free(lut8->outtabs); + if (lut8->outtabsbuf) + jas_free(lut8->outtabsbuf); +} + +static int jas_icclut8_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval) +{ + jas_icclut8_t *lut8 = &attrval->data.lut8; + /* Avoid compiler warnings about unused parameters. */ + attrval = 0; + othattrval = 0; + lut8 = 0; + abort(); + return -1; +} + +static int jas_icclut8_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt) +{ + int i; + int j; + int clutsize; + 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 (i = 0; i < 3; ++i) { + for (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; + clutsize = jas_iccpowi(lut8->clutlen, lut8->numinchans) * lut8->numoutchans; + if (!(lut8->clut = jas_malloc(clutsize * sizeof(jas_iccuint8_t))) || + !(lut8->intabsbuf = jas_malloc(lut8->numinchans * + lut8->numintabents * sizeof(jas_iccuint8_t))) || + !(lut8->intabs = jas_malloc(lut8->numinchans * + sizeof(jas_iccuint8_t *)))) + goto error; + for (i = 0; i < lut8->numinchans; ++i) + lut8->intabs[i] = &lut8->intabsbuf[i * lut8->numintabents]; + if (!(lut8->outtabsbuf = jas_malloc(lut8->numoutchans * + lut8->numouttabents * sizeof(jas_iccuint8_t))) || + !(lut8->outtabs = jas_malloc(lut8->numoutchans * + sizeof(jas_iccuint8_t *)))) + goto error; + for (i = 0; i < lut8->numoutchans; ++i) + lut8->outtabs[i] = &lut8->outtabsbuf[i * lut8->numouttabents]; + for (i = 0; i < lut8->numinchans; ++i) { + for (j = 0; j < JAS_CAST(int, lut8->numintabents); ++j) { + if (jas_iccgetuint8(in, &lut8->intabs[i][j])) + goto error; + } + } + for (i = 0; i < lut8->numoutchans; ++i) { + for (j = 0; j < JAS_CAST(int, lut8->numouttabents); ++j) { + if (jas_iccgetuint8(in, &lut8->outtabs[i][j])) + goto error; + } + } + for (i = 0; i < clutsize; ++i) { + if (jas_iccgetuint8(in, &lut8->clut[i])) + goto error; + } + if (JAS_CAST(int, 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 int jas_icclut8_getsize(jas_iccattrval_t *attrval) +{ + 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; +} + +static int jas_icclut8_output(jas_iccattrval_t *attrval, jas_stream_t *out) +{ + jas_icclut8_t *lut8 = &attrval->data.lut8; + int i; + int j; + int n; + 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 (i = 0; i < 3; ++i) { + for (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; + n = lut8->numinchans * lut8->numintabents; + for (i = 0; i < n; ++i) { + if (jas_iccputuint8(out, lut8->intabsbuf[i])) + goto error; + } + n = lut8->numoutchans * lut8->numouttabents; + for (i = 0; i < n; ++i) { + if (jas_iccputuint8(out, lut8->outtabsbuf[i])) + goto error; + } + n = jas_iccpowi(lut8->clutlen, lut8->numinchans) * lut8->numoutchans; + for (i = 0; i < n; ++i) { + if (jas_iccputuint8(out, lut8->clut[i])) + goto error; + } + return 0; +error: + return -1; +} + +static void jas_icclut8_dump(jas_iccattrval_t *attrval, FILE *out) +{ + jas_icclut8_t *lut8 = &attrval->data.lut8; + int i; + int j; + fprintf(out, "numinchans=%d, numoutchans=%d, clutlen=%d\n", + lut8->numinchans, lut8->numoutchans, lut8->clutlen); + for (i = 0; i < 3; ++i) { + for (j = 0; j < 3; ++j) { + fprintf(out, "e[%d][%d]=%f ", i, j, lut8->e[i][j] / 65536.0); + } + fprintf(out, "\n"); + } + fprintf(out, "numintabents=%d, numouttabents=%d\n", + lut8->numintabents, lut8->numouttabents); +} + +/******************************************************************************\ +* +\******************************************************************************/ + +static void jas_icclut16_destroy(jas_iccattrval_t *attrval) +{ + jas_icclut16_t *lut16 = &attrval->data.lut16; + if (lut16->clut) + jas_free(lut16->clut); + if (lut16->intabs) + jas_free(lut16->intabs); + if (lut16->intabsbuf) + jas_free(lut16->intabsbuf); + if (lut16->outtabs) + jas_free(lut16->outtabs); + if (lut16->outtabsbuf) + jas_free(lut16->outtabsbuf); +} + +static int jas_icclut16_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval) +{ + /* Avoid compiler warnings about unused parameters. */ + attrval = 0; + othattrval = 0; + /* Not yet implemented. */ + abort(); + return -1; +} + +static int jas_icclut16_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt) +{ + int i; + int j; + int clutsize; + 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 (i = 0; i < 3; ++i) { + for (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; + clutsize = jas_iccpowi(lut16->clutlen, lut16->numinchans) * lut16->numoutchans; + if (!(lut16->clut = jas_malloc(clutsize * sizeof(jas_iccuint16_t))) || + !(lut16->intabsbuf = jas_malloc(lut16->numinchans * + lut16->numintabents * sizeof(jas_iccuint16_t))) || + !(lut16->intabs = jas_malloc(lut16->numinchans * + sizeof(jas_iccuint16_t *)))) + goto error; + for (i = 0; i < lut16->numinchans; ++i) + lut16->intabs[i] = &lut16->intabsbuf[i * lut16->numintabents]; + if (!(lut16->outtabsbuf = jas_malloc(lut16->numoutchans * + lut16->numouttabents * sizeof(jas_iccuint16_t))) || + !(lut16->outtabs = jas_malloc(lut16->numoutchans * + sizeof(jas_iccuint16_t *)))) + goto error; + for (i = 0; i < lut16->numoutchans; ++i) + lut16->outtabs[i] = &lut16->outtabsbuf[i * lut16->numouttabents]; + for (i = 0; i < lut16->numinchans; ++i) { + for (j = 0; j < JAS_CAST(int, lut16->numintabents); ++j) { + if (jas_iccgetuint16(in, &lut16->intabs[i][j])) + goto error; + } + } + for (i = 0; i < lut16->numoutchans; ++i) { + for (j = 0; j < JAS_CAST(int, lut16->numouttabents); ++j) { + if (jas_iccgetuint16(in, &lut16->outtabs[i][j])) + goto error; + } + } + for (i = 0; i < clutsize; ++i) { + if (jas_iccgetuint16(in, &lut16->clut[i])) + goto error; + } + if (JAS_CAST(int, 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 int jas_icclut16_getsize(jas_iccattrval_t *attrval) +{ + 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); +} + +static int jas_icclut16_output(jas_iccattrval_t *attrval, jas_stream_t *out) +{ + jas_icclut16_t *lut16 = &attrval->data.lut16; + int i; + int j; + int n; + 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 (i = 0; i < 3; ++i) { + for (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; + n = lut16->numinchans * lut16->numintabents; + for (i = 0; i < n; ++i) { + if (jas_iccputuint16(out, lut16->intabsbuf[i])) + goto error; + } + n = lut16->numoutchans * lut16->numouttabents; + for (i = 0; i < n; ++i) { + if (jas_iccputuint16(out, lut16->outtabsbuf[i])) + goto error; + } + n = jas_iccpowi(lut16->clutlen, lut16->numinchans) * lut16->numoutchans; + for (i = 0; i < n; ++i) { + if (jas_iccputuint16(out, lut16->clut[i])) + goto error; + } + return 0; +error: + return -1; +} + +static void jas_icclut16_dump(jas_iccattrval_t *attrval, FILE *out) +{ + jas_icclut16_t *lut16 = &attrval->data.lut16; + int i; + int j; + fprintf(out, "numinchans=%d, numoutchans=%d, clutlen=%d\n", + lut16->numinchans, lut16->numoutchans, lut16->clutlen); + for (i = 0; i < 3; ++i) { + for (j = 0; j < 3; ++j) { + fprintf(out, "e[%d][%d]=%f ", i, j, lut16->e[i][j] / 65536.0); + } + fprintf(out, "\n"); + } + fprintf(out, "numintabents=%d, numouttabents=%d\n", + lut16->numintabents, lut16->numouttabents); +} + +/******************************************************************************\ +* +\******************************************************************************/ + +static int jas_iccgetuint(jas_stream_t *in, int n, ulonglong *val) +{ + int i; + int c; + ulonglong v; + v = 0; + for (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) +{ + ulonglong tmp; + if (jas_iccgetuint(in, 2, &tmp)) + return -1; + *val = tmp; + return 0; +} + +static int jas_iccgetsint32(jas_stream_t *in, jas_iccsint32_t *val) +{ + ulonglong tmp; + if (jas_iccgetuint(in, 4, &tmp)) + return -1; + *val = (tmp & 0x80000000) ? (-JAS_CAST(longlong, (((~tmp) & + 0x7fffffff) + 1))) : JAS_CAST(longlong, tmp); + return 0; +} + +static int jas_iccgetuint32(jas_stream_t *in, jas_iccuint32_t *val) +{ + ulonglong tmp; + if (jas_iccgetuint(in, 4, &tmp)) + return -1; + *val = tmp; + return 0; +} + +static int jas_iccgetuint64(jas_stream_t *in, jas_iccuint64_t *val) +{ + ulonglong tmp; + if (jas_iccgetuint(in, 8, &tmp)) + return -1; + *val = tmp; + return 0; +} + +static int jas_iccputuint(jas_stream_t *out, int n, ulonglong val) +{ + int i; + int c; + for (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, int n, longlong val) +{ + ulonglong tmp; + tmp = (val < 0) ? (abort(), 0) : val; + return jas_iccputuint(out, n, tmp); +} + +/******************************************************************************\ +* +\******************************************************************************/ + +static char *jas_iccsigtostr(int sig, char *buf) +{ + int n; + int c; + char *bufptr; + bufptr = buf; + for (n = 4; n > 0; --n) { + c = (sig >> 24) & 0xff; + if (isalpha(c) || isdigit(c)) { + *bufptr++ = c; + } + sig <<= 8; + } + *bufptr = '\0'; + return buf; +} + +static long jas_iccpadtomult(long x, long y) +{ + return ((x + y - 1) / y) * y; +} + +static long jas_iccpowi(int x, int n) +{ + long y; + y = 1; + while (--n >= 0) + y *= x; + return y; +} + + +jas_iccprof_t *jas_iccprof_createfrombuf(uchar *buf, int 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: + return 0; +} + +jas_iccprof_t *jas_iccprof_createfromclrspc(int 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; +} |