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Diffstat (limited to 'src/libjasper/base/jas_image.c')
| -rw-r--r-- | src/libjasper/base/jas_image.c | 1516 |
1 files changed, 1516 insertions, 0 deletions
diff --git a/src/libjasper/base/jas_image.c b/src/libjasper/base/jas_image.c new file mode 100644 index 0000000..3f5af8c --- /dev/null +++ b/src/libjasper/base/jas_image.c @@ -0,0 +1,1516 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + + GeoJasper revision: dima <dima@dimin.net> + 11/07/2003 15:00 - dima - aux_buf added for j_image_t + 22/09/2003 14:40 - dima - small correction in jas_image_writecmpt + 2007-04-23 12:23 - dima - updated for a vector of metadata boxes + */ + +/* __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__ + */ + +/* + * Image Library + * + * $Id: jas_image.c,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <assert.h> +#include <ctype.h> + +#include "jasper/jas_math.h" +#include "jasper/jas_image.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_string.h" + +/******************************************************************************\ +* GeoJasper: dima - progress functions +\******************************************************************************/ + +#if !defined( JAS_PROGRESS_PROC_DEFINED ) + #define JAS_PROGRESS_PROC_DEFINED + jas_progress_proc_t progress_proc = NULL; + jas_test_abort_proc_t test_abort_proc = NULL; +#endif + +void jas_set_progress_proc( jas_progress_proc_t new_proc ) { + progress_proc = new_proc; +} + +void jas_do_progress( int done, int total, char *descr ) { + if (progress_proc != NULL) progress_proc( done, total, descr ); +} + +void jas_set_test_abort_proc( jas_test_abort_proc_t new_proc ) { + test_abort_proc = new_proc; +} + +int jas_test_abort( ) { + if (test_abort_proc != NULL) return test_abort_proc(); + else return 0; +} + +/******************************************************************************\ +* Types. +\******************************************************************************/ + +#define FLOORDIV(x, y) ((x) / (y)) + +/******************************************************************************\ +* Local prototypes. +\******************************************************************************/ + +static jas_image_cmpt_t *jas_image_cmpt_create0(void); +static void jas_image_cmpt_destroy(jas_image_cmpt_t *cmpt); +static jas_image_cmpt_t *jas_image_cmpt_create(uint_fast32_t tlx, uint_fast32_t tly, + uint_fast32_t hstep, uint_fast32_t vstep, uint_fast32_t width, uint_fast32_t + height, uint_fast16_t depth, bool sgnd, uint_fast32_t inmem); +static void jas_image_setbbox(jas_image_t *image); +static jas_image_cmpt_t *jas_image_cmpt_copy(jas_image_cmpt_t *cmpt); +static int jas_image_growcmpts(jas_image_t *image, int maxcmpts); +static uint_fast32_t inttobits(jas_seqent_t v, int prec, bool sgnd); +static jas_seqent_t bitstoint(uint_fast32_t v, int prec, bool sgnd); +static int putint(jas_stream_t *out, int sgnd, int prec, long val); +static int getint(jas_stream_t *in, int sgnd, int prec, long *val); +static void jas_image_calcbbox2(jas_image_t *image, jas_image_coord_t *tlx, + jas_image_coord_t *tly, jas_image_coord_t *brx, jas_image_coord_t *bry); +static long uptomult(long x, long y); +static long downtomult(long x, long y); +static long convert(long val, int oldsgnd, int oldprec, int newsgnd, + int newprec); +static void jas_image_calcbbox2(jas_image_t *image, jas_image_coord_t *tlx, + jas_image_coord_t *tly, jas_image_coord_t *brx, jas_image_coord_t *bry); + +/******************************************************************************\ +* Global data. +\******************************************************************************/ + +static int jas_image_numfmts = 0; +static jas_image_fmtinfo_t jas_image_fmtinfos[JAS_IMAGE_MAXFMTS]; + +/******************************************************************************\ +* Create and destroy operations. +\******************************************************************************/ + +jas_image_t *jas_image_create(int numcmpts, jas_image_cmptparm_t *cmptparms, + int clrspc) +{ + jas_image_t *image; + uint_fast32_t rawsize; + uint_fast32_t inmem; + int cmptno; + jas_image_cmptparm_t *cmptparm; + + if (!(image = jas_image_create0())) { + return 0; + } + + image->clrspc_ = clrspc; + image->maxcmpts_ = numcmpts; + image->inmem_ = true; + + /* Allocate memory for the per-component information. */ + if (!(image->cmpts_ = jas_malloc(image->maxcmpts_ * + sizeof(jas_image_cmpt_t *)))) { + jas_image_destroy(image); + return 0; + } + /* Initialize in case of failure. */ + for (cmptno = 0; cmptno < image->maxcmpts_; ++cmptno) { + image->cmpts_[cmptno] = 0; + } + + /* Compute the approximate raw size of the image. */ + rawsize = 0; + for (cmptno = 0, cmptparm = cmptparms; cmptno < numcmpts; ++cmptno, + ++cmptparm) { + rawsize += cmptparm->width * cmptparm->height * + (cmptparm->prec + 7) / 8; + } + /* Decide whether to buffer the image data in memory, based on the + raw size of the image. */ + inmem = (rawsize < JAS_IMAGE_INMEMTHRESH); + + /* Create the individual image components. */ + for (cmptno = 0, cmptparm = cmptparms; cmptno < numcmpts; ++cmptno, + ++cmptparm) { + if (!(image->cmpts_[cmptno] = jas_image_cmpt_create(cmptparm->tlx, + cmptparm->tly, cmptparm->hstep, cmptparm->vstep, + cmptparm->width, cmptparm->height, cmptparm->prec, + cmptparm->sgnd, inmem))) { + jas_image_destroy(image); + return 0; + } + ++image->numcmpts_; + } + + /* Determine the bounding box for all of the components on the + reference grid (i.e., the image area) */ + jas_image_setbbox(image); + + return image; +} + +// GeoJasper: begin - dima - metadata box buffer utils +jas_metadata_box_t jas_box_init( void ) { + jas_metadata_box_t box; + memset( (void *)box.id, 0, 16 ); + box.size = 0; + box.buf = NULL; + return box; +} + +bool jas_box_alloc ( jas_metadata_box_t *box, unsigned long size ) { + if (box == NULL) return false; + *box = jas_box_init(); + if ( box->buf = (uint_fast8_t *) jas_malloc( size ) ) + box->size = size; + return (bool) box->buf; +} + +void jas_box_free( jas_metadata_box_t *box ) { + if (box == NULL) return; + if ( (box->size != 0) && (box->buf != NULL) ) + jas_free(box->buf); + *box = jas_box_init(); +} +// GeoJasper: end - dima - metadata box buffer utils + +jas_image_t *jas_image_create0() +{ + jas_image_t *image; + + if (!(image = jas_malloc(sizeof(jas_image_t)))) { + return 0; + } + + image->tlx_ = 0; + image->tly_ = 0; + image->brx_ = 0; + image->bry_ = 0; + image->clrspc_ = JAS_CLRSPC_UNKNOWN; + image->numcmpts_ = 0; + image->maxcmpts_ = 0; + image->cmpts_ = 0; + image->inmem_ = true; + image->cmprof_ = 0; + + // GeoJasper: begin - dima - buffer defines + { + int i; + image->metadata.count = JAS_IMAGE_NUM_BOXES; + for (i=0; i<image->metadata.count; ++i) + image->metadata.boxes[i] = jas_box_init(); + } + // GeoJasper: end - dima - buffer defines + + return image; +} + +jas_image_t *jas_image_copy(jas_image_t *image) +{ + jas_image_t *newimage; + int cmptno; + + newimage = jas_image_create0(); + if (jas_image_growcmpts(newimage, image->numcmpts_)) { + goto error; + } + for (cmptno = 0; cmptno < image->numcmpts_; ++cmptno) { + if (!(newimage->cmpts_[cmptno] = jas_image_cmpt_copy(image->cmpts_[cmptno]))) { + goto error; + } + ++newimage->numcmpts_; + } + + jas_image_setbbox(newimage); + + if (image->cmprof_) { + if (!(newimage->cmprof_ = jas_cmprof_copy(image->cmprof_))) + goto error; + } + + return newimage; +error: + if (newimage) { + jas_image_destroy(newimage); + } + return 0; +} + +static jas_image_cmpt_t *jas_image_cmpt_create0() +{ + jas_image_cmpt_t *cmpt; + if (!(cmpt = jas_malloc(sizeof(jas_image_cmpt_t)))) { + return 0; + } + memset(cmpt, 0, sizeof(jas_image_cmpt_t)); + cmpt->type_ = JAS_IMAGE_CT_UNKNOWN; + return cmpt; +} + +static jas_image_cmpt_t *jas_image_cmpt_copy(jas_image_cmpt_t *cmpt) +{ + jas_image_cmpt_t *newcmpt; + + if (!(newcmpt = jas_image_cmpt_create0())) { + return 0; + } + newcmpt->tlx_ = cmpt->tlx_; + newcmpt->tly_ = cmpt->tly_; + newcmpt->hstep_ = cmpt->hstep_; + newcmpt->vstep_ = cmpt->vstep_; + newcmpt->width_ = cmpt->width_; + newcmpt->height_ = cmpt->height_; + newcmpt->prec_ = cmpt->prec_; + newcmpt->sgnd_ = cmpt->sgnd_; + newcmpt->cps_ = cmpt->cps_; + newcmpt->type_ = cmpt->type_; + if (!(newcmpt->stream_ = jas_stream_memopen(0, 0))) { + return 0; + } + if (jas_stream_seek(cmpt->stream_, 0, SEEK_SET)) { + return 0; + } + if (jas_stream_copy(newcmpt->stream_, cmpt->stream_, -1)) { + return 0; + } + if (jas_stream_seek(newcmpt->stream_, 0, SEEK_SET)) { + return 0; + } + return newcmpt; +} + +void jas_image_destroy(jas_image_t *image) +{ + int i; + + // GeoJasper: begin - dima - free buffers + for (i=0; i<image->metadata.count; ++i) + jas_box_free( &image->metadata.boxes[i] ); + // GeoJasper: end - dima - free buffers + + if (image->cmpts_) { + for (i = 0; i < image->numcmpts_; ++i) { + jas_image_cmpt_destroy(image->cmpts_[i]); + image->cmpts_[i] = 0; + } + jas_free(image->cmpts_); + } + if (image->cmprof_) + jas_cmprof_destroy(image->cmprof_); + jas_free(image); +} + +static jas_image_cmpt_t *jas_image_cmpt_create(uint_fast32_t tlx, uint_fast32_t tly, + uint_fast32_t hstep, uint_fast32_t vstep, uint_fast32_t width, uint_fast32_t + height, uint_fast16_t depth, bool sgnd, uint_fast32_t inmem) +{ + jas_image_cmpt_t *cmpt; + long size; + + if (!(cmpt = jas_malloc(sizeof(jas_image_cmpt_t)))) { + return 0; + } + + cmpt->type_ = JAS_IMAGE_CT_UNKNOWN; + cmpt->tlx_ = tlx; + cmpt->tly_ = tly; + cmpt->hstep_ = hstep; + cmpt->vstep_ = vstep; + cmpt->width_ = width; + cmpt->height_ = height; + cmpt->prec_ = depth; + cmpt->sgnd_ = sgnd; + cmpt->stream_ = 0; + cmpt->cps_ = (depth + 7) / 8; + + size = cmpt->width_ * cmpt->height_ * cmpt->cps_; + cmpt->stream_ = (inmem) ? jas_stream_memopen(0, size) : jas_stream_tmpfile(); + if (!cmpt->stream_) { + jas_image_cmpt_destroy(cmpt); + return 0; + } + + /* Zero the component data. This isn't necessary, but it is + convenient for debugging purposes. */ + if (jas_stream_seek(cmpt->stream_, size - 1, SEEK_SET) < 0 || + jas_stream_putc(cmpt->stream_, 0) == EOF || + jas_stream_seek(cmpt->stream_, 0, SEEK_SET) < 0) { + jas_image_cmpt_destroy(cmpt); + return 0; + } + + return cmpt; +} + +static void jas_image_cmpt_destroy(jas_image_cmpt_t *cmpt) +{ + if (cmpt->stream_) { + jas_stream_close(cmpt->stream_); + } + jas_free(cmpt); +} + +/******************************************************************************\ +* Load and save operations. +\******************************************************************************/ + +jas_image_t *jas_image_decode(jas_stream_t *in, int fmt, char *optstr) +{ + jas_image_fmtinfo_t *fmtinfo; + jas_image_t *image; + + image = 0; + + /* If possible, try to determine the format of the input data. */ + if (fmt < 0) { + if ((fmt = jas_image_getfmt(in)) < 0) + goto error; + } + + /* Is it possible to decode an image represented in this format? */ + if (!(fmtinfo = jas_image_lookupfmtbyid(fmt))) + goto error; + if (!fmtinfo->ops.decode) + goto error; + + /* Decode the image. */ + if (!(image = (*fmtinfo->ops.decode)(in, optstr))) + goto error; + + /* Create a color profile if needed. */ + if (!jas_clrspc_isunknown(image->clrspc_) && + !jas_clrspc_isgeneric(image->clrspc_) && !image->cmprof_) { + if (!(image->cmprof_ = + jas_cmprof_createfromclrspc(jas_image_clrspc(image)))) + goto error; + } + + return image; +error: + if (image) + jas_image_destroy(image); + return 0; +} + +int jas_image_encode(jas_image_t *image, jas_stream_t *out, int fmt, char *optstr) +{ + jas_image_fmtinfo_t *fmtinfo; + if (!(fmtinfo = jas_image_lookupfmtbyid(fmt))) { + return -1; + } + return (fmtinfo->ops.encode) ? (*fmtinfo->ops.encode)(image, out, + optstr) : (-1); +} + +/******************************************************************************\ +* Component read and write operations. +\******************************************************************************/ + +int jas_image_readcmpt(jas_image_t *image, int cmptno, jas_image_coord_t x, + jas_image_coord_t y, jas_image_coord_t width, jas_image_coord_t height, + jas_matrix_t *data) +{ + jas_image_cmpt_t *cmpt; + jas_image_coord_t i; + jas_image_coord_t j; + int k; + jas_seqent_t v; + int c; + jas_seqent_t *dr; + jas_seqent_t *d; + int drs; + + if (cmptno < 0 || cmptno >= image->numcmpts_) { + return -1; + } + + cmpt = image->cmpts_[cmptno]; + if (x >= cmpt->width_ || y >= cmpt->height_ || + x + width > cmpt->width_ || + y + height > cmpt->height_) { + return -1; + } + + if (jas_matrix_numrows(data) != height || jas_matrix_numcols(data) != width) { + if (jas_matrix_resize(data, height, width)) { + return -1; + } + } + + dr = jas_matrix_getref(data, 0, 0); + drs = jas_matrix_rowstep(data); + for (i = 0; i < height; ++i, dr += drs) { + d = dr; + if (jas_stream_seek(cmpt->stream_, (cmpt->width_ * (y + i) + x) + * cmpt->cps_, SEEK_SET) < 0) { + return -1; + } + for (j = width; j > 0; --j, ++d) { + v = 0; + for (k = cmpt->cps_; k > 0; --k) { + if ((c = jas_stream_getc(cmpt->stream_)) == EOF) { + return -1; + } + v = (v << 8) | (c & 0xff); + } + *d = bitstoint(v, cmpt->prec_, cmpt->sgnd_); + } + } + + return 0; +} + +int jas_image_writecmpt(jas_image_t *image, int cmptno, jas_image_coord_t x, jas_image_coord_t y, jas_image_coord_t width, + jas_image_coord_t height, jas_matrix_t *data) +{ + jas_image_cmpt_t *cmpt; + jas_image_coord_t i; + jas_image_coord_t j; + jas_seqent_t *d; + jas_seqent_t *dr; + int drs; + jas_seqent_t v; + int k; + int c; + + if (cmptno < 0 || cmptno >= image->numcmpts_) { + return -1; + } + + cmpt = image->cmpts_[cmptno]; + if (x >= cmpt->width_ || y >= cmpt->height_ || + x + width > cmpt->width_ || + y + height > cmpt->height_) { + return -1; + } + + if (jas_matrix_numrows(data) < height || jas_matrix_numcols(data) < width) { + return -1; + } // GeoJasper: dima, change != to < + + dr = jas_matrix_getref(data, 0, 0); + drs = jas_matrix_rowstep(data); + for (i = 0; i < height; ++i, dr += drs) { + d = dr; + if (jas_stream_seek(cmpt->stream_, (cmpt->width_ * (y + i) + x) + * cmpt->cps_, SEEK_SET) < 0) { + return -1; + } + for (j = width; j > 0; --j, ++d) { + v = inttobits(*d, cmpt->prec_, cmpt->sgnd_); + for (k = cmpt->cps_; k > 0; --k) { + c = (v >> (8 * (cmpt->cps_ - 1))) & 0xff; + if (jas_stream_putc(cmpt->stream_, + (unsigned char) c) == EOF) { + return -1; + } + v <<= 8; + } + } + } + + return 0; +} + +/******************************************************************************\ +* File format operations. +\******************************************************************************/ + +void jas_image_clearfmts() +{ + int i; + jas_image_fmtinfo_t *fmtinfo; + for (i = 0; i < jas_image_numfmts; ++i) { + fmtinfo = &jas_image_fmtinfos[i]; + if (fmtinfo->name) { + jas_free(fmtinfo->name); + fmtinfo->name = 0; + } + if (fmtinfo->ext) { + jas_free(fmtinfo->ext); + fmtinfo->ext = 0; + } + if (fmtinfo->desc) { + jas_free(fmtinfo->desc); + fmtinfo->desc = 0; + } + } + jas_image_numfmts = 0; +} + +int jas_image_addfmt(int id, char *name, char *ext, char *desc, + jas_image_fmtops_t *ops) +{ + jas_image_fmtinfo_t *fmtinfo; + assert(id >= 0 && name && ext && ops); + if (jas_image_numfmts >= JAS_IMAGE_MAXFMTS) { + return -1; + } + fmtinfo = &jas_image_fmtinfos[jas_image_numfmts]; + fmtinfo->id = id; + if (!(fmtinfo->name = jas_strdup(name))) { + return -1; + } + if (!(fmtinfo->ext = jas_strdup(ext))) { + jas_free(fmtinfo->name); + return -1; + } + if (!(fmtinfo->desc = jas_strdup(desc))) { + jas_free(fmtinfo->name); + jas_free(fmtinfo->ext); + return -1; + } + fmtinfo->ops = *ops; + ++jas_image_numfmts; + return 0; +} + +int jas_image_strtofmt(char *name) +{ + jas_image_fmtinfo_t *fmtinfo; + if (!(fmtinfo = jas_image_lookupfmtbyname(name))) { + return -1; + } + return fmtinfo->id; +} + +char *jas_image_fmttostr(int fmt) +{ + jas_image_fmtinfo_t *fmtinfo; + if (!(fmtinfo = jas_image_lookupfmtbyid(fmt))) { + return 0; + } + return fmtinfo->name; +} + +int jas_image_getfmt(jas_stream_t *in) +{ + jas_image_fmtinfo_t *fmtinfo; + int found; + int i; + + /* Check for data in each of the supported formats. */ + found = 0; + for (i = 0, fmtinfo = jas_image_fmtinfos; i < jas_image_numfmts; ++i, + ++fmtinfo) { + if (fmtinfo->ops.validate) { + /* Is the input data valid for this format? */ + if (!(*fmtinfo->ops.validate)(in)) { + found = 1; + break; + } + } + } + return found ? fmtinfo->id : (-1); +} + +int jas_image_fmtfromname(char *name) +{ + int i; + char *ext; + jas_image_fmtinfo_t *fmtinfo; + /* Get the file name extension. */ + if (!(ext = strrchr(name, '.'))) { + return -1; + } + ++ext; + /* Try to find a format that uses this extension. */ + for (i = 0, fmtinfo = jas_image_fmtinfos; i < jas_image_numfmts; ++i, + ++fmtinfo) { + /* Do we have a match? */ + if (!strcmp(ext, fmtinfo->ext)) { + return fmtinfo->id; + } + } + return -1; +} + +/******************************************************************************\ +* Miscellaneous operations. +\******************************************************************************/ + +uint_fast32_t jas_image_rawsize(jas_image_t *image) +{ + uint_fast32_t rawsize; + int cmptno; + jas_image_cmpt_t *cmpt; + + rawsize = 0; + for (cmptno = 0; cmptno < image->numcmpts_; ++cmptno) { + cmpt = image->cmpts_[cmptno]; + rawsize += (cmpt->width_ * cmpt->height_ * cmpt->prec_ + + 7) / 8; + } + return rawsize; +} + +void jas_image_delcmpt(jas_image_t *image, int cmptno) +{ + if (cmptno >= image->numcmpts_) { + return; + } + jas_image_cmpt_destroy(image->cmpts_[cmptno]); + if (cmptno < image->numcmpts_) { + memmove(&image->cmpts_[cmptno], &image->cmpts_[cmptno + 1], + (image->numcmpts_ - 1 - cmptno) * sizeof(jas_image_cmpt_t *)); + } + --image->numcmpts_; + + jas_image_setbbox(image); +} + +int jas_image_addcmpt(jas_image_t *image, int cmptno, + jas_image_cmptparm_t *cmptparm) +{ + jas_image_cmpt_t *newcmpt; + if (cmptno < 0) + cmptno = image->numcmpts_; + assert(cmptno >= 0 && cmptno <= image->numcmpts_); + if (image->numcmpts_ >= image->maxcmpts_) { + if (jas_image_growcmpts(image, image->maxcmpts_ + 128)) { + return -1; + } + } + if (!(newcmpt = jas_image_cmpt_create(cmptparm->tlx, + cmptparm->tly, cmptparm->hstep, cmptparm->vstep, + cmptparm->width, cmptparm->height, cmptparm->prec, + cmptparm->sgnd, 1))) { + return -1; + } + if (cmptno < image->numcmpts_) { + memmove(&image->cmpts_[cmptno + 1], &image->cmpts_[cmptno], + (image->numcmpts_ - cmptno) * sizeof(jas_image_cmpt_t *)); + } + image->cmpts_[cmptno] = newcmpt; + ++image->numcmpts_; + + jas_image_setbbox(image); + + return 0; +} + +jas_image_fmtinfo_t *jas_image_lookupfmtbyid(int id) +{ + int i; + jas_image_fmtinfo_t *fmtinfo; + + for (i = 0, fmtinfo = jas_image_fmtinfos; i < jas_image_numfmts; ++i, ++fmtinfo) { + if (fmtinfo->id == id) { + return fmtinfo; + } + } + return 0; +} + +jas_image_fmtinfo_t *jas_image_lookupfmtbyname(const char *name) +{ + int i; + jas_image_fmtinfo_t *fmtinfo; + + for (i = 0, fmtinfo = jas_image_fmtinfos; i < jas_image_numfmts; ++i, ++fmtinfo) { + if (!strcmp(fmtinfo->name, name)) { + return fmtinfo; + } + } + return 0; +} + + + + + +static uint_fast32_t inttobits(jas_seqent_t v, int prec, bool sgnd) +{ + uint_fast32_t ret; + ret = ((sgnd && v < 0) ? ((1 << prec) + v) : v) & JAS_ONES(prec); + return ret; +} + +static jas_seqent_t bitstoint(uint_fast32_t v, int prec, bool sgnd) +{ + jas_seqent_t ret; + v &= JAS_ONES(prec); + ret = (sgnd && (v & (1 << (prec - 1)))) ? (v - (1 << prec)) : v; + return ret; +} + +static void jas_image_setbbox(jas_image_t *image) +{ + jas_image_cmpt_t *cmpt; + int cmptno; + int_fast32_t x; + int_fast32_t y; + + if (image->numcmpts_ > 0) { + /* Determine the bounding box for all of the components on the + reference grid (i.e., the image area) */ + cmpt = image->cmpts_[0]; + image->tlx_ = cmpt->tlx_; + image->tly_ = cmpt->tly_; + image->brx_ = cmpt->tlx_ + cmpt->hstep_ * (cmpt->width_ - 1) + 1; + image->bry_ = cmpt->tly_ + cmpt->vstep_ * (cmpt->height_ - 1) + 1; + for (cmptno = 1; cmptno < image->numcmpts_; ++cmptno) { + cmpt = image->cmpts_[cmptno]; + if (image->tlx_ > cmpt->tlx_) { + image->tlx_ = cmpt->tlx_; + } + if (image->tly_ > cmpt->tly_) { + image->tly_ = cmpt->tly_; + } + x = cmpt->tlx_ + cmpt->hstep_ * (cmpt->width_ - 1) + 1; + if (image->brx_ < x) { + image->brx_ = x; + } + y = cmpt->tly_ + cmpt->vstep_ * (cmpt->height_ - 1) + 1; + if (image->bry_ < y) { + image->bry_ = y; + } + } + } else { + image->tlx_ = 0; + image->tly_ = 0; + image->brx_ = 0; + image->bry_ = 0; + } +} + +static int jas_image_growcmpts(jas_image_t *image, int maxcmpts) +{ + jas_image_cmpt_t **newcmpts; + int cmptno; + + newcmpts = (!image->cmpts_) ? jas_malloc(maxcmpts * sizeof(jas_image_cmpt_t *)) : + jas_realloc(image->cmpts_, maxcmpts * sizeof(jas_image_cmpt_t *)); + if (!newcmpts) { + return -1; + } + image->cmpts_ = newcmpts; + image->maxcmpts_ = maxcmpts; + for (cmptno = image->numcmpts_; cmptno < image->maxcmpts_; ++cmptno) { + image->cmpts_[cmptno] = 0; + } + return 0; +} + +int jas_image_copycmpt(jas_image_t *dstimage, int dstcmptno, jas_image_t *srcimage, + int srccmptno) +{ + jas_image_cmpt_t *newcmpt; + if (dstimage->numcmpts_ >= dstimage->maxcmpts_) { + if (jas_image_growcmpts(dstimage, dstimage->maxcmpts_ + 128)) { + return -1; + } + } + if (!(newcmpt = jas_image_cmpt_copy(srcimage->cmpts_[srccmptno]))) { + return -1; + } + if (dstcmptno < dstimage->numcmpts_) { + memmove(&dstimage->cmpts_[dstcmptno + 1], &dstimage->cmpts_[dstcmptno], + (dstimage->numcmpts_ - dstcmptno) * sizeof(jas_image_cmpt_t *)); + } + dstimage->cmpts_[dstcmptno] = newcmpt; + ++dstimage->numcmpts_; + + jas_image_setbbox(dstimage); + return 0; +} + +void jas_image_dump(jas_image_t *image, FILE *out) +{ + long buf[1024]; + int cmptno; + int n; + int i; + int width; + int height; + jas_image_cmpt_t *cmpt; + for (cmptno = 0; cmptno < image->numcmpts_; ++cmptno) { + cmpt = image->cmpts_[cmptno]; + fprintf(out, "prec=%d, sgnd=%d, cmpttype=%d\n", cmpt->prec_, + cmpt->sgnd_, cmpt->type_); + width = jas_image_cmptwidth(image, cmptno); + height = jas_image_cmptheight(image, cmptno); + n = JAS_MIN(16, width); + if (jas_image_readcmpt2(image, cmptno, 0, 0, n, 1, buf)) { + abort(); + } + for (i = 0; i < n; ++i) { + fprintf(out, " f(%d,%d)=%ld", i, 0, buf[i]); + } + fprintf(out, "\n"); + if (jas_image_readcmpt2(image, cmptno, width - n, height - 1, n, 1, buf)) { + abort(); + } + for (i = 0; i < n; ++i) { + fprintf(out, " f(%d,%d)=%ld", width - n + i, height - 1, buf[i]); + } + fprintf(out, "\n"); + } +} + +int jas_image_depalettize(jas_image_t *image, int cmptno, int numlutents, + int_fast32_t *lutents, int dtype, int newcmptno) +{ + jas_image_cmptparm_t cmptparms; + int_fast32_t v; + int i; + int j; + jas_image_cmpt_t *cmpt; + + cmpt = image->cmpts_[cmptno]; + cmptparms.tlx = cmpt->tlx_; + cmptparms.tly = cmpt->tly_; + cmptparms.hstep = cmpt->hstep_; + cmptparms.vstep = cmpt->vstep_; + cmptparms.width = cmpt->width_; + cmptparms.height = cmpt->height_; + cmptparms.prec = JAS_IMAGE_CDT_GETPREC(dtype); + cmptparms.sgnd = JAS_IMAGE_CDT_GETSGND(dtype); + + if (jas_image_addcmpt(image, newcmptno, &cmptparms)) { + return -1; + } + if (newcmptno <= cmptno) { + ++cmptno; + cmpt = image->cmpts_[cmptno]; + } + + for (j = 0; j < cmpt->height_; ++j) { + for (i = 0; i < cmpt->width_; ++i) { + v = jas_image_readcmptsample(image, cmptno, i, j); + if (v < 0) { + v = 0; + } else if (v >= numlutents) { + v = numlutents - 1; + } + jas_image_writecmptsample(image, newcmptno, i, j, + lutents[v]); + } + } + return 0; +} + +int jas_image_readcmptsample(jas_image_t *image, int cmptno, int x, int y) +{ + jas_image_cmpt_t *cmpt; + uint_fast32_t v; + int k; + int c; + + cmpt = image->cmpts_[cmptno]; + + if (jas_stream_seek(cmpt->stream_, (cmpt->width_ * y + x) * cmpt->cps_, + SEEK_SET) < 0) { + return -1; + } + v = 0; + for (k = cmpt->cps_; k > 0; --k) { + if ((c = jas_stream_getc(cmpt->stream_)) == EOF) { + return -1; + } + v = (v << 8) | (c & 0xff); + } + return bitstoint(v, cmpt->prec_, cmpt->sgnd_); +} + +void jas_image_writecmptsample(jas_image_t *image, int cmptno, int x, int y, + int_fast32_t v) +{ + jas_image_cmpt_t *cmpt; + uint_fast32_t t; + int k; + int c; + + cmpt = image->cmpts_[cmptno]; + + if (jas_stream_seek(cmpt->stream_, (cmpt->width_ * y + x) * cmpt->cps_, + SEEK_SET) < 0) { + return; + } + t = inttobits(v, cmpt->prec_, cmpt->sgnd_); + for (k = cmpt->cps_; k > 0; --k) { + c = (t >> (8 * (cmpt->cps_ - 1))) & 0xff; + if (jas_stream_putc(cmpt->stream_, (unsigned char) c) == EOF) { + return; + } + t <<= 8; + } +} + +int jas_image_getcmptbytype(jas_image_t *image, int ctype) +{ + int cmptno; + + for (cmptno = 0; cmptno < image->numcmpts_; ++cmptno) { + if (image->cmpts_[cmptno]->type_ == ctype) { + return cmptno; + } + } + return -1; +} + + + + + + + + + + + + + + + + +/***********************************************/ +/***********************************************/ +/***********************************************/ +/***********************************************/ + +int jas_image_readcmpt2(jas_image_t *image, int cmptno, jas_image_coord_t x, + jas_image_coord_t y, jas_image_coord_t width, jas_image_coord_t height, + long *buf) +{ + jas_image_cmpt_t *cmpt; + jas_image_coord_t i; + jas_image_coord_t j; + long v; + long *bufptr; + + if (cmptno < 0 || cmptno >= image->numcmpts_) + goto error; + cmpt = image->cmpts_[cmptno]; + if (x < 0 || x >= cmpt->width_ || y < 0 || y >= cmpt->height_ || + width < 0 || height < 0 || x + width > cmpt->width_ || + y + height > cmpt->height_) + goto error; + + bufptr = buf; + for (i = 0; i < height; ++i) { + if (jas_stream_seek(cmpt->stream_, (cmpt->width_ * (y + i) + x) + * cmpt->cps_, SEEK_SET) < 0) + goto error; + for (j = 0; j < width; ++j) { + if (getint(cmpt->stream_, cmpt->sgnd_, cmpt->prec_, &v)) + goto error; + *bufptr++ = v; + } + } + + return 0; +error: + return -1; +} + +int jas_image_writecmpt2(jas_image_t *image, int cmptno, jas_image_coord_t x, + jas_image_coord_t y, jas_image_coord_t width, jas_image_coord_t height, + long *buf) +{ + jas_image_cmpt_t *cmpt; + jas_image_coord_t i; + jas_image_coord_t j; + long v; + long *bufptr; + + if (cmptno < 0 || cmptno >= image->numcmpts_) + goto error; + cmpt = image->cmpts_[cmptno]; + if (x < 0 || x >= cmpt->width_ || y < 0 || y >= cmpt->height_ || + width < 0 || height < 0 || x + width > cmpt->width_ || + y + height > cmpt->height_) + goto error; + + bufptr = buf; + for (i = 0; i < height; ++i) { + if (jas_stream_seek(cmpt->stream_, (cmpt->width_ * (y + i) + x) + * cmpt->cps_, SEEK_SET) < 0) + goto error; + for (j = 0; j < width; ++j) { + v = *bufptr++; + if (putint(cmpt->stream_, cmpt->sgnd_, cmpt->prec_, v)) + goto error; + } + } + + return 0; +error: + return -1; +} + +int jas_image_sampcmpt(jas_image_t *image, int cmptno, int newcmptno, + jas_image_coord_t ho, jas_image_coord_t vo, jas_image_coord_t hs, + jas_image_coord_t vs, int sgnd, int prec) +{ + jas_image_cmpt_t *oldcmpt; + jas_image_cmpt_t *newcmpt; + int width; + int height; + jas_image_coord_t tlx; + jas_image_coord_t tly; + jas_image_coord_t brx; + jas_image_coord_t bry; + int i; + int j; + jas_image_cmptparm_t cmptparm; + jas_image_coord_t ax; + jas_image_coord_t ay; + jas_image_coord_t bx; + jas_image_coord_t by; + jas_image_coord_t d0; + jas_image_coord_t d1; + jas_image_coord_t d2; + jas_image_coord_t d3; + jas_image_coord_t oldx; + jas_image_coord_t oldy; + jas_image_coord_t x; + jas_image_coord_t y; + long v; + jas_image_coord_t cmptbrx; + jas_image_coord_t cmptbry; + + assert(cmptno >= 0 && cmptno < image->numcmpts_); + oldcmpt = image->cmpts_[cmptno]; + assert(oldcmpt->tlx_ == 0 && oldcmpt->tly_ == 0); + jas_image_calcbbox2(image, &tlx, &tly, &brx, &bry); + width = FLOORDIV(brx - ho + hs, hs); + height = FLOORDIV(bry - vo + vs, vs); + cmptparm.tlx = ho; + cmptparm.tly = vo; + cmptparm.hstep = hs; + cmptparm.vstep = vs; + cmptparm.width = width; + cmptparm.height = height; + cmptparm.prec = prec; + cmptparm.sgnd = sgnd; + if (jas_image_addcmpt(image, newcmptno, &cmptparm)) + goto error; +cmptbrx = oldcmpt->tlx_ + (oldcmpt->width_ - 1) * oldcmpt->hstep_; +cmptbry = oldcmpt->tly_ + (oldcmpt->height_ - 1) * oldcmpt->vstep_; + newcmpt = image->cmpts_[newcmptno]; + jas_stream_rewind(newcmpt->stream_); + for (i = 0; i < height; ++i) { + y = newcmpt->tly_ + newcmpt->vstep_ * i; + for (j = 0; j < width; ++j) { + x = newcmpt->tlx_ + newcmpt->hstep_ * j; + ax = downtomult(x - oldcmpt->tlx_, oldcmpt->hstep_) + oldcmpt->tlx_; + ay = downtomult(y - oldcmpt->tly_, oldcmpt->vstep_) + oldcmpt->tly_; + bx = uptomult(x - oldcmpt->tlx_, oldcmpt->hstep_) + oldcmpt->tlx_; + if (bx > cmptbrx) + bx = cmptbrx; + by = uptomult(y - oldcmpt->tly_, oldcmpt->vstep_) + oldcmpt->tly_; + if (by > cmptbry) + by = cmptbry; + d0 = (ax - x) * (ax - x) + (ay - y) * (ay - y); + d1 = (bx - x) * (bx - x) + (ay - y) * (ay - y); + d2 = (bx - x) * (bx - x) + (by - y) * (by - y); + d3 = (ax - x) * (ax - x) + (by - y) * (by - y); + if (d0 <= d1 && d0 <= d2 && d0 <= d3) { + oldx = (ax - oldcmpt->tlx_) / oldcmpt->hstep_; + oldy = (ay - oldcmpt->tly_) / oldcmpt->vstep_; + } else if (d1 <= d0 && d1 <= d2 && d1 <= d3) { + oldx = (bx - oldcmpt->tlx_) / oldcmpt->hstep_; + oldy = (ay - oldcmpt->tly_) / oldcmpt->vstep_; + } else if (d2 <= d0 && d2 <= d1 && d1 <= d3) { + oldx = (bx - oldcmpt->tlx_) / oldcmpt->hstep_; + oldy = (by - oldcmpt->tly_) / oldcmpt->vstep_; + } else { + oldx = (ax - oldcmpt->tlx_) / oldcmpt->hstep_; + oldy = (by - oldcmpt->tly_) / oldcmpt->vstep_; + } + assert(oldx >= 0 && oldx < oldcmpt->width_ && + oldy >= 0 && oldy < oldcmpt->height_); + if (jas_stream_seek(oldcmpt->stream_, oldcmpt->cps_ * + (oldy * oldcmpt->width_ + oldx), SEEK_SET) < 0) + goto error; + if (getint(oldcmpt->stream_, oldcmpt->sgnd_, + oldcmpt->prec_, &v)) + goto error; + if (newcmpt->prec_ != oldcmpt->prec_ || + newcmpt->sgnd_ != oldcmpt->sgnd_) { + v = convert(v, oldcmpt->sgnd_, oldcmpt->prec_, + newcmpt->sgnd_, newcmpt->prec_); + } + if (putint(newcmpt->stream_, newcmpt->sgnd_, + newcmpt->prec_, v)) + goto error; + } + } + return 0; +error: + return -1; +} + +int jas_image_ishomosamp(jas_image_t *image) +{ + jas_image_coord_t hstep; + jas_image_coord_t vstep; + int result; + int i; + hstep = jas_image_cmpthstep(image, 0); + vstep = jas_image_cmptvstep(image, 0); + result = 1; + for (i = 0; i < image->numcmpts_; ++i) { + if (jas_image_cmpthstep(image, i) != hstep || + jas_image_cmptvstep(image, i) != vstep) { + result = 0; + break; + } + } + return result; +} + +/* Note: This function defines a bounding box differently. */ +static void jas_image_calcbbox2(jas_image_t *image, jas_image_coord_t *tlx, + jas_image_coord_t *tly, jas_image_coord_t *brx, jas_image_coord_t *bry) +{ + jas_image_cmpt_t *cmpt; + jas_image_coord_t tmptlx; + jas_image_coord_t tmptly; + jas_image_coord_t tmpbrx; + jas_image_coord_t tmpbry; + jas_image_coord_t t; + int i; + if (image->numcmpts_ > 0) { + cmpt = image->cmpts_[0]; + tmptlx = cmpt->tlx_; + tmptly = cmpt->tly_; + tmpbrx = cmpt->tlx_ + cmpt->hstep_ * (cmpt->width_ - 1); + tmpbry = cmpt->tly_ + cmpt->vstep_ * (cmpt->height_ - 1); + for (i = 0; i < image->numcmpts_; ++i) { + cmpt = image->cmpts_[i]; + if (cmpt->tlx_ < tmptlx) + tmptlx = cmpt->tlx_; + if (cmpt->tly_ < tmptly) + tmptly = cmpt->tly_; + t = cmpt->tlx_ + cmpt->hstep_ * (cmpt->width_ - 1); + if (t > tmpbrx) + tmpbrx = t; + t = cmpt->tly_ + cmpt->vstep_ * (cmpt->height_ - 1); + if (t > tmpbry) + tmpbry = t; + } + } else { + tmptlx = 0; + tmptly = 0; + tmpbrx = -1; + tmpbry = -1; + } + *tlx = tmptlx; + *tly = tmptly; + *brx = tmpbrx; + *bry = tmpbry; +} + + + +static int getint(jas_stream_t *in, int sgnd, int prec, long *val) +{ + long v; + int n; + int c; + n = (prec + 7) / 8; + v = 0; + while (--n >= 0) { + if ((c = jas_stream_getc(in)) == EOF) + return -1; + v = (v << 8) | c; + } + v &= ((1 << prec) - 1); + if (sgnd) { + /* XXX - Do something here. */ + abort(); + } else { + *val = v; + } + return 0; +} + +static int putint(jas_stream_t *out, int sgnd, int prec, long val) +{ + int n; + int c; + if (sgnd) { + /* XXX - Do something here. */ + abort(); + } + val &= (1 << prec) - 1; + n = (prec + 7) / 8; + while (--n >= 0) { + c = (val >> (n * 8)) & 0xff; + if (jas_stream_putc(out, c) != c) + return -1; + } + return 0; +} + +static long convert(long val, int oldsgnd, int oldprec, int newsgnd, + int newprec) +{ + if (newsgnd != oldsgnd) { + } + if (newprec != oldprec) { + if (newprec > oldprec) { + val <<= newprec - oldprec; + } else if (oldprec > newprec) { + val >>= oldprec - newprec; + } + } + return val; +} + +static long downtomult(long x, long y) +{ + assert(x >= 0); + return (x / y) * y; +} + +static long uptomult(long x, long y) +{ + assert(x >= 0); + return ((x + y - 1) / y) * y; +} + +jas_image_t *jas_image_chclrspc(jas_image_t *image, jas_cmprof_t *outprof, + int intent) +{ + jas_image_t *inimage; + int minhstep; + int minvstep; + int i; + int j; + int k; + int n; + int hstep; + int vstep; + int numinauxchans; + int numoutauxchans; + int numinclrchans; + int numoutclrchans; + int prec; + jas_image_t *outimage; + int cmpttype; + int numoutchans; + jas_cmprof_t *inprof; + jas_cmprof_t *tmpprof; + jas_image_cmptparm_t cmptparm; + int width; + int height; + jas_cmxform_t *xform; + jas_cmpixmap_t inpixmap; + jas_cmpixmap_t outpixmap; + jas_cmcmptfmt_t *incmptfmts; + jas_cmcmptfmt_t *outcmptfmts; + +#if 0 +jas_eprintf("IMAGE\n"); +jas_image_dump(image, stderr); +#endif + + if (!(inimage = jas_image_copy(image))) + goto error; + image = 0; + + if (!jas_image_ishomosamp(inimage)) { + minhstep = jas_image_cmpthstep(inimage, 0); + minvstep = jas_image_cmptvstep(inimage, 0); + for (i = 1; i < jas_image_numcmpts(inimage); ++i) { + hstep = jas_image_cmpthstep(inimage, i); + vstep = jas_image_cmptvstep(inimage, i); + if (hstep < minhstep) + minhstep = hstep; + if (vstep < minvstep) + minvstep = vstep; + } + n = jas_image_numcmpts(inimage); + for (i = 0; i < n; ++i) { + cmpttype = jas_image_cmpttype(inimage, i); + if (jas_image_sampcmpt(inimage, i, i + 1, 0, 0, minhstep, minvstep, jas_image_cmptsgnd(inimage, i), jas_image_cmptprec(inimage, i))) + goto error; + jas_image_setcmpttype(inimage, i + 1, cmpttype); + jas_image_delcmpt(inimage, i); + } + } + + width = jas_image_cmptwidth(inimage, 0); + height = jas_image_cmptheight(inimage, 0); + hstep = jas_image_cmpthstep(inimage, 0); + vstep = jas_image_cmptvstep(inimage, 0); + + inprof = jas_image_cmprof(inimage); + assert(inprof); + numinclrchans = jas_clrspc_numchans(jas_cmprof_clrspc(inprof)); + numinauxchans = jas_image_numcmpts(inimage) - numinclrchans; + numoutclrchans = jas_clrspc_numchans(jas_cmprof_clrspc(outprof)); + numoutauxchans = 0; + numoutchans = numoutclrchans + numoutauxchans; + prec = 8; + + if (!(outimage = jas_image_create0())) + goto error; + + /* Create a component for each of the colorants. */ + for (i = 0; i < numoutclrchans; ++i) { + cmptparm.tlx = 0; + cmptparm.tly = 0; + cmptparm.hstep = hstep; + cmptparm.vstep = vstep; + cmptparm.width = width; + cmptparm.height = height; + cmptparm.prec = prec; + cmptparm.sgnd = 0; + if (jas_image_addcmpt(outimage, -1, &cmptparm)) + goto error; + jas_image_setcmpttype(outimage, i, JAS_IMAGE_CT_COLOR(i)); + } +#if 0 + /* Copy the auxiliary components without modification. */ + for (i = 0; i < jas_image_numcmpts(inimage); ++i) { + if (!ISCOLOR(jas_image_cmpttype(inimage, i))) { + jas_image_copycmpt(outimage, -1, inimage, i); +/* XXX - need to specify laydown of component on ref. grid */ + } + } +#endif + + if (!(tmpprof = jas_cmprof_copy(outprof))) + goto error; + assert(!jas_image_cmprof(outimage)); + jas_image_setcmprof(outimage, tmpprof); + tmpprof = 0; + jas_image_setclrspc(outimage, jas_cmprof_clrspc(outprof)); + + if (!(xform = jas_cmxform_create(inprof, outprof, 0, JAS_CMXFORM_OP_FWD, intent, 0))) + goto error; + + inpixmap.numcmpts = numinclrchans; + incmptfmts = malloc(numinclrchans * sizeof(jas_cmcmptfmt_t)); + assert(incmptfmts); + inpixmap.cmptfmts = incmptfmts; + for (i = 0; i < numinclrchans; ++i) { + j = jas_image_getcmptbytype(inimage, JAS_IMAGE_CT_COLOR(i)); + assert(j >= 0); + if (!(incmptfmts[i].buf = malloc(width * sizeof(long)))) + goto error; + incmptfmts[i].prec = jas_image_cmptprec(inimage, j); + incmptfmts[i].sgnd = jas_image_cmptsgnd(inimage, j); + incmptfmts[i].width = width; + incmptfmts[i].height = 1; + } + + outpixmap.numcmpts = numoutclrchans; + outcmptfmts = malloc(numoutclrchans * sizeof(jas_cmcmptfmt_t)); + assert(outcmptfmts); + outpixmap.cmptfmts = outcmptfmts; + + for (i = 0; i < numoutclrchans; ++i) { + j = jas_image_getcmptbytype(outimage, JAS_IMAGE_CT_COLOR(i)); + assert(j >= 0); + if (!(outcmptfmts[i].buf = malloc(width * sizeof(long)))) + goto error; + outcmptfmts[i].prec = jas_image_cmptprec(outimage, j); + outcmptfmts[i].sgnd = jas_image_cmptsgnd(outimage, j); + outcmptfmts[i].width = width; + outcmptfmts[i].height = 1; + } + + for (i = 0; i < height; ++i) { + for (j = 0; j < numinclrchans; ++j) { + k = jas_image_getcmptbytype(inimage, JAS_IMAGE_CT_COLOR(j)); + if (jas_image_readcmpt2(inimage, k, 0, i, width, 1, incmptfmts[j].buf)) + goto error; + } + jas_cmxform_apply(xform, &inpixmap, &outpixmap); + for (j = 0; j < numoutclrchans; ++j) { + k = jas_image_getcmptbytype(outimage, JAS_IMAGE_CT_COLOR(j)); + if (jas_image_writecmpt2(outimage, k, 0, i, width, 1, outcmptfmts[j].buf)) + goto error; + } + } + + for (i = 0; i < numoutclrchans; ++i) + jas_free(outcmptfmts[i].buf); + jas_free(outcmptfmts); + for (i = 0; i < numinclrchans; ++i) + jas_free(incmptfmts[i].buf); + jas_free(incmptfmts); + jas_cmxform_destroy(xform); + jas_image_destroy(inimage); + +#if 0 +jas_eprintf("INIMAGE\n"); +jas_image_dump(inimage, stderr); +jas_eprintf("OUTIMAGE\n"); +jas_image_dump(outimage, stderr); +#endif + return outimage; +error: + return 0; +} |