diff options
Diffstat (limited to 'src/3rdparty/jasper/src/libjasper/mif/mif_cod.c')
| -rw-r--r-- | src/3rdparty/jasper/src/libjasper/mif/mif_cod.c | 752 |
1 files changed, 0 insertions, 752 deletions
diff --git a/src/3rdparty/jasper/src/libjasper/mif/mif_cod.c b/src/3rdparty/jasper/src/libjasper/mif/mif_cod.c deleted file mode 100644 index 3b1e7f5..0000000 --- a/src/3rdparty/jasper/src/libjasper/mif/mif_cod.c +++ /dev/null @@ -1,752 +0,0 @@ -/* - * Copyright (c) 2001-2002 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__ - */ - -/******************************************************************************\ -* Includes. -\******************************************************************************/ - -#include <assert.h> - -#include "jasper/jas_debug.h" -#include "jasper/jas_tvp.h" -#include "jasper/jas_stream.h" -#include "jasper/jas_image.h" -#include "jasper/jas_string.h" -#include "jasper/jas_malloc.h" - -#include "mif_cod.h" - -/******************************************************************************\ -* Local types. -\******************************************************************************/ - -typedef enum { - MIF_END = 0, - MIF_CMPT -} mif_tagid2_t; - -typedef enum { - MIF_TLX = 0, - MIF_TLY, - MIF_WIDTH, - MIF_HEIGHT, - MIF_HSAMP, - MIF_VSAMP, - MIF_PREC, - MIF_SGND, - MIF_DATA -} mif_tagid_t; - -/******************************************************************************\ -* Local functions. -\******************************************************************************/ - -static mif_hdr_t *mif_hdr_create(int maxcmpts); -static void mif_hdr_destroy(mif_hdr_t *hdr); -static int mif_hdr_growcmpts(mif_hdr_t *hdr, int maxcmpts); -static mif_hdr_t *mif_hdr_get(jas_stream_t *in); -static int mif_process_cmpt(mif_hdr_t *hdr, char *buf); -static int mif_hdr_put(mif_hdr_t *hdr, jas_stream_t *out); -static int mif_hdr_addcmpt(mif_hdr_t *hdr, int cmptno, mif_cmpt_t *cmpt); -static mif_cmpt_t *mif_cmpt_create(void); -static void mif_cmpt_destroy(mif_cmpt_t *cmpt); -static char *mif_getline(jas_stream_t *jas_stream, char *buf, int bufsize); -static int mif_getc(jas_stream_t *in); -static mif_hdr_t *mif_makehdrfromimage(jas_image_t *image); - -/******************************************************************************\ -* Local data. -\******************************************************************************/ - -jas_taginfo_t mif_tags2[] = { - {MIF_CMPT, "component"}, - {MIF_END, "end"}, - {-1, 0} -}; - -jas_taginfo_t mif_tags[] = { - {MIF_TLX, "tlx"}, - {MIF_TLY, "tly"}, - {MIF_WIDTH, "width"}, - {MIF_HEIGHT, "height"}, - {MIF_HSAMP, "sampperx"}, - {MIF_VSAMP, "samppery"}, - {MIF_PREC, "prec"}, - {MIF_SGND, "sgnd"}, - {MIF_DATA, "data"}, - {-1, 0} -}; - -/******************************************************************************\ -* Code for load operation. -\******************************************************************************/ - -/* Load an image from a stream in the MIF format. */ - -jas_image_t *mif_decode(jas_stream_t *in, char *optstr) -{ - mif_hdr_t *hdr; - jas_image_t *image; - jas_image_t *tmpimage; - jas_stream_t *tmpstream; - int cmptno; - mif_cmpt_t *cmpt; - jas_image_cmptparm_t cmptparm; - jas_seq2d_t *data; - int_fast32_t x; - int_fast32_t y; - int bias; - - /* Avoid warnings about unused parameters. */ - optstr = 0; - - hdr = 0; - image = 0; - tmpimage = 0; - tmpstream = 0; - data = 0; - - if (!(hdr = mif_hdr_get(in))) { - goto error; - } - - if (!(image = jas_image_create0())) { - goto error; - } - - for (cmptno = 0; cmptno < hdr->numcmpts; ++cmptno) { - cmpt = hdr->cmpts[cmptno]; - tmpstream = cmpt->data ? jas_stream_fopen(cmpt->data, "rb") : in; - if (!tmpstream) { - goto error; - } - if (!(tmpimage = jas_image_decode(tmpstream, -1, 0))) { - goto error; - } - if (tmpstream != in) { - jas_stream_close(tmpstream); - tmpstream = 0; - } - if (!cmpt->width) { - cmpt->width = jas_image_cmptwidth(tmpimage, 0); - } - if (!cmpt->height) { - cmpt->height = jas_image_cmptwidth(tmpimage, 0); - } - if (!cmpt->prec) { - cmpt->prec = jas_image_cmptprec(tmpimage, 0); - } - if (cmpt->sgnd < 0) { - cmpt->sgnd = jas_image_cmptsgnd(tmpimage, 0); - } - cmptparm.tlx = cmpt->tlx; - cmptparm.tly = cmpt->tly; - cmptparm.hstep = cmpt->sampperx; - cmptparm.vstep = cmpt->samppery; - cmptparm.width = cmpt->width; - cmptparm.height = cmpt->height; - cmptparm.prec = cmpt->prec; - cmptparm.sgnd = cmpt->sgnd; - if (jas_image_addcmpt(image, jas_image_numcmpts(image), &cmptparm)) { - goto error; - } - if (!(data = jas_seq2d_create(0, 0, cmpt->width, cmpt->height))) { - goto error; - } - if (jas_image_readcmpt(tmpimage, 0, 0, 0, cmpt->width, cmpt->height, - data)) { - goto error; - } - if (cmpt->sgnd) { - bias = 1 << (cmpt->prec - 1); - for (y = 0; y < cmpt->height; ++y) { - for (x = 0; x < cmpt->width; ++x) { - *jas_seq2d_getref(data, x, y) -= bias; - } - } - } - if (jas_image_writecmpt(image, jas_image_numcmpts(image) - 1, 0, 0, - cmpt->width, cmpt->height, data)) { - goto error; - } - jas_seq2d_destroy(data); - data = 0; - jas_image_destroy(tmpimage); - tmpimage = 0; - } - - mif_hdr_destroy(hdr); - hdr = 0; - return image; - -error: - if (image) { - jas_image_destroy(image); - } - if (hdr) { - mif_hdr_destroy(hdr); - } - if (tmpstream && tmpstream != in) { - jas_stream_close(tmpstream); - } - if (tmpimage) { - jas_image_destroy(tmpimage); - } - if (data) { - jas_seq2d_destroy(data); - } - return 0; -} - -/******************************************************************************\ -* Code for save operation. -\******************************************************************************/ - -/* Save an image to a stream in the the MIF format. */ - -int mif_encode(jas_image_t *image, jas_stream_t *out, char *optstr) -{ - mif_hdr_t *hdr; - jas_image_t *tmpimage; - int fmt; - int cmptno; - mif_cmpt_t *cmpt; - jas_image_cmptparm_t cmptparm; - jas_seq2d_t *data; - int_fast32_t x; - int_fast32_t y; - int bias; - - hdr = 0; - tmpimage = 0; - data = 0; - - if (optstr && *optstr != '\0') { - jas_eprintf("warning: ignoring unsupported options\n"); - } - - if ((fmt = jas_image_strtofmt("pnm")) < 0) { - jas_eprintf("error: PNM support required\n"); - goto error; - } - - if (!(hdr = mif_makehdrfromimage(image))) { - goto error; - } - if (mif_hdr_put(hdr, out)) { - goto error; - } - - /* Output component data. */ - for (cmptno = 0; cmptno < hdr->numcmpts; ++cmptno) { - cmpt = hdr->cmpts[cmptno]; - if (!cmpt->data) { - if (!(tmpimage = jas_image_create0())) { - goto error; - } - cmptparm.tlx = 0; - cmptparm.tly = 0; - cmptparm.hstep = cmpt->sampperx; - cmptparm.vstep = cmpt->samppery; - cmptparm.width = cmpt->width; - cmptparm.height = cmpt->height; - cmptparm.prec = cmpt->prec; - cmptparm.sgnd = false; - if (jas_image_addcmpt(tmpimage, jas_image_numcmpts(tmpimage), &cmptparm)) { - goto error; - } - if (!(data = jas_seq2d_create(0, 0, cmpt->width, cmpt->height))) { - goto error; - } - if (jas_image_readcmpt(image, cmptno, 0, 0, cmpt->width, cmpt->height, - data)) { - goto error; - } - if (cmpt->sgnd) { - bias = 1 << (cmpt->prec - 1); - for (y = 0; y < cmpt->height; ++y) { - for (x = 0; x < cmpt->width; ++x) { - *jas_seq2d_getref(data, x, y) += bias; - } - } - } - if (jas_image_writecmpt(tmpimage, 0, 0, 0, cmpt->width, cmpt->height, - data)) { - goto error; - } - jas_seq2d_destroy(data); - data = 0; - if (jas_image_encode(tmpimage, out, fmt, 0)) { - goto error; - } - jas_image_destroy(tmpimage); - tmpimage = 0; - } - } - - mif_hdr_destroy(hdr); - - return 0; - -error: - if (hdr) { - mif_hdr_destroy(hdr); - } - if (tmpimage) { - jas_image_destroy(tmpimage); - } - if (data) { - jas_seq2d_destroy(data); - } - return -1; -} - -/******************************************************************************\ -* Code for validate operation. -\******************************************************************************/ - -int mif_validate(jas_stream_t *in) -{ - uchar buf[MIF_MAGICLEN]; - uint_fast32_t magic; - int i; - int n; - - assert(JAS_STREAM_MAXPUTBACK >= MIF_MAGICLEN); - - /* Read the validation data (i.e., the data used for detecting - the format). */ - if ((n = jas_stream_read(in, buf, MIF_MAGICLEN)) < 0) { - return -1; - } - - /* Put the validation data back onto the stream, so that the - stream position will not be changed. */ - for (i = n - 1; i >= 0; --i) { - if (jas_stream_ungetc(in, buf[i]) == EOF) { - return -1; - } - } - - /* Was enough data read? */ - if (n < MIF_MAGICLEN) { - return -1; - } - - /* Compute the signature value. */ - magic = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; - - /* Ensure that the signature is correct for this format. */ - if (magic != MIF_MAGIC) { - return -1; - } - - return 0; -} - -/******************************************************************************\ -* Code for MIF header class. -\******************************************************************************/ - -static mif_hdr_t *mif_hdr_create(int maxcmpts) -{ - mif_hdr_t *hdr; - if (!(hdr = jas_malloc(sizeof(mif_hdr_t)))) { - return 0; - } - hdr->numcmpts = 0; - hdr->maxcmpts = 0; - hdr->cmpts = 0; - if (mif_hdr_growcmpts(hdr, maxcmpts)) { - mif_hdr_destroy(hdr); - return 0; - } - return hdr; -} - -static void mif_hdr_destroy(mif_hdr_t *hdr) -{ - int cmptno; - if (hdr->cmpts) { - for (cmptno = 0; cmptno < hdr->numcmpts; ++cmptno) { - mif_cmpt_destroy(hdr->cmpts[cmptno]); - } - jas_free(hdr->cmpts); - } - jas_free(hdr); -} - -static int mif_hdr_growcmpts(mif_hdr_t *hdr, int maxcmpts) -{ - int cmptno; - mif_cmpt_t **newcmpts; - assert(maxcmpts >= hdr->numcmpts); - newcmpts = (!hdr->cmpts) ? jas_malloc(maxcmpts * sizeof(mif_cmpt_t *)) : - jas_realloc(hdr->cmpts, maxcmpts * sizeof(mif_cmpt_t *)); - if (!newcmpts) { - return -1; - } - hdr->maxcmpts = maxcmpts; - hdr->cmpts = newcmpts; - for (cmptno = hdr->numcmpts; cmptno < hdr->maxcmpts; ++cmptno) { - hdr->cmpts[cmptno] = 0; - } - return 0; -} - -static mif_hdr_t *mif_hdr_get(jas_stream_t *in) -{ - uchar magicbuf[MIF_MAGICLEN]; - char buf[4096]; - mif_hdr_t *hdr; - bool done; - jas_tvparser_t *tvp; - int id; - - hdr = 0; - - if (jas_stream_read(in, magicbuf, MIF_MAGICLEN) != MIF_MAGICLEN) { - goto error; - } - if (magicbuf[0] != (MIF_MAGIC >> 24) || magicbuf[1] != ((MIF_MAGIC >> 16) & - 0xff) || magicbuf[2] != ((MIF_MAGIC >> 8) & 0xff) || magicbuf[3] != - (MIF_MAGIC & 0xff)) { - jas_eprintf("error: bad signature\n"); - goto error; - } - - if (!(hdr = mif_hdr_create(0))) { - goto error; - } - - done = false; - do { - if (!mif_getline(in, buf, sizeof(buf))) { - goto error; - } - if (buf[0] == '\0') { - continue; - } - if (!(tvp = jas_tvparser_create(buf))) { - goto error; - } - if (jas_tvparser_next(tvp)) { - abort(); - } - id = jas_taginfo_nonull(jas_taginfos_lookup(mif_tags2, jas_tvparser_gettag(tvp)))->id; - jas_tvparser_destroy(tvp); - switch (id) { - case MIF_CMPT: - mif_process_cmpt(hdr, buf); - break; - case MIF_END: - done = 1; - break; - } - } while (!done); - - return hdr; - -error: - if (hdr) { - mif_hdr_destroy(hdr); - } - return 0; -} - -static int mif_process_cmpt(mif_hdr_t *hdr, char *buf) -{ - jas_tvparser_t *tvp; - mif_cmpt_t *cmpt; - int id; - - cmpt = 0; - tvp = 0; - - if (!(cmpt = mif_cmpt_create())) { - goto error; - } - cmpt->tlx = 0; - cmpt->tly = 0; - cmpt->sampperx = 0; - cmpt->samppery = 0; - cmpt->width = 0; - cmpt->height = 0; - cmpt->prec = 0; - cmpt->sgnd = -1; - cmpt->data = 0; - - if (!(tvp = jas_tvparser_create(buf))) { - goto error; - } - while (!(id = jas_tvparser_next(tvp))) { - switch (jas_taginfo_nonull(jas_taginfos_lookup(mif_tags, - jas_tvparser_gettag(tvp)))->id) { - case MIF_TLX: - cmpt->tlx = atoi(jas_tvparser_getval(tvp)); - break; - case MIF_TLY: - cmpt->tly = atoi(jas_tvparser_getval(tvp)); - break; - case MIF_WIDTH: - cmpt->width = atoi(jas_tvparser_getval(tvp)); - break; - case MIF_HEIGHT: - cmpt->height = atoi(jas_tvparser_getval(tvp)); - break; - case MIF_HSAMP: - cmpt->sampperx = atoi(jas_tvparser_getval(tvp)); - break; - case MIF_VSAMP: - cmpt->samppery = atoi(jas_tvparser_getval(tvp)); - break; - case MIF_PREC: - cmpt->prec = atoi(jas_tvparser_getval(tvp)); - break; - case MIF_SGND: - cmpt->sgnd = atoi(jas_tvparser_getval(tvp)); - break; - case MIF_DATA: - if (!(cmpt->data = jas_strdup(jas_tvparser_getval(tvp)))) { - return -1; - } - break; - } - } - jas_tvparser_destroy(tvp); - if (!cmpt->sampperx || !cmpt->samppery) { - goto error; - } - if (mif_hdr_addcmpt(hdr, hdr->numcmpts, cmpt)) { - goto error; - } - return 0; - -error: - if (cmpt) { - mif_cmpt_destroy(cmpt); - } - if (tvp) { - jas_tvparser_destroy(tvp); - } - return -1; -} - -static int mif_hdr_put(mif_hdr_t *hdr, jas_stream_t *out) -{ - int cmptno; - mif_cmpt_t *cmpt; - - /* Output signature. */ - jas_stream_putc(out, (MIF_MAGIC >> 24) & 0xff); - jas_stream_putc(out, (MIF_MAGIC >> 16) & 0xff); - jas_stream_putc(out, (MIF_MAGIC >> 8) & 0xff); - jas_stream_putc(out, MIF_MAGIC & 0xff); - - /* Output component information. */ - for (cmptno = 0; cmptno < hdr->numcmpts; ++cmptno) { - cmpt = hdr->cmpts[cmptno]; - jas_stream_printf(out, "component tlx=%ld tly=%ld " - "sampperx=%ld samppery=%ld width=%ld height=%ld prec=%d sgnd=%d", - cmpt->tlx, cmpt->tly, cmpt->sampperx, cmpt->samppery, cmpt->width, - cmpt->height, cmpt->prec, cmpt->sgnd); - if (cmpt->data) { - jas_stream_printf(out, " data=%s", cmpt->data); - } - jas_stream_printf(out, "\n"); - } - - /* Output end of header indicator. */ - jas_stream_printf(out, "end\n"); - - return 0; -} - -static int mif_hdr_addcmpt(mif_hdr_t *hdr, int cmptno, mif_cmpt_t *cmpt) -{ - assert(cmptno >= hdr->numcmpts); - if (hdr->numcmpts >= hdr->maxcmpts) { - if (mif_hdr_growcmpts(hdr, hdr->numcmpts + 128)) { - return -1; - } - } - hdr->cmpts[hdr->numcmpts] = cmpt; - ++hdr->numcmpts; - return 0; -} - -/******************************************************************************\ -* Code for MIF component class. -\******************************************************************************/ - -static mif_cmpt_t *mif_cmpt_create() -{ - mif_cmpt_t *cmpt; - if (!(cmpt = jas_malloc(sizeof(mif_cmpt_t)))) { - return 0; - } - memset(cmpt, 0, sizeof(mif_cmpt_t)); - return cmpt; -} - -static void mif_cmpt_destroy(mif_cmpt_t *cmpt) -{ - if (cmpt->data) { - jas_free(cmpt->data); - } - jas_free(cmpt); -} - -/******************************************************************************\ -* MIF parsing code. -\******************************************************************************/ - -static char *mif_getline(jas_stream_t *stream, char *buf, int bufsize) -{ - int c; - char *bufptr; - assert(bufsize > 0); - - bufptr = buf; - while (bufsize > 1) { - if ((c = mif_getc(stream)) == EOF) { - break; - } - *bufptr++ = c; - --bufsize; - if (c == '\n') { - break; - } - } - *bufptr = '\0'; - if (!(bufptr = strchr(buf, '\n'))) { - return 0; - } - *bufptr = '\0'; - return buf; -} - -static int mif_getc(jas_stream_t *in) -{ - int c; - bool done; - - done = false; - do { - switch (c = jas_stream_getc(in)) { - case EOF: - done = 1; - break; - case '#': - for (;;) { - if ((c = jas_stream_getc(in)) == EOF) { - done = 1; - break; - } - if (c == '\n') { - break; - } - } - break; - case '\\': - if (jas_stream_peekc(in) == '\n') { - jas_stream_getc(in); - } - break; - default: - done = 1; - break; - } - } while (!done); - - return c; -} - -/******************************************************************************\ -* Miscellaneous functions. -\******************************************************************************/ - -static mif_hdr_t *mif_makehdrfromimage(jas_image_t *image) -{ - mif_hdr_t *hdr; - int cmptno; - mif_cmpt_t *cmpt; - - if (!(hdr = mif_hdr_create(jas_image_numcmpts(image)))) { - return 0; - } - hdr->magic = MIF_MAGIC; - hdr->numcmpts = jas_image_numcmpts(image); - for (cmptno = 0; cmptno < hdr->numcmpts; ++cmptno) { - hdr->cmpts[cmptno] = jas_malloc(sizeof(mif_cmpt_t)); - cmpt = hdr->cmpts[cmptno]; - cmpt->tlx = jas_image_cmpttlx(image, cmptno); - cmpt->tly = jas_image_cmpttly(image, cmptno); - cmpt->width = jas_image_cmptwidth(image, cmptno); - cmpt->height = jas_image_cmptheight(image, cmptno); - cmpt->sampperx = jas_image_cmpthstep(image, cmptno); - cmpt->samppery = jas_image_cmptvstep(image, cmptno); - cmpt->prec = jas_image_cmptprec(image, cmptno); - cmpt->sgnd = jas_image_cmptsgnd(image, cmptno); - cmpt->data = 0; - } - return hdr; -} |