mirror of
https://github.com/google/sandboxed-api.git
synced 2024-03-22 13:11:30 +08:00
added comments; added Google formatting style
This commit is contained in:
parent
73e6a27b14
commit
5598690320
|
@ -12,6 +12,8 @@
|
|||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
# copy of one of the converting functions
|
||||
# put here to omit the library's complex
|
||||
add_library(convert_helper STATIC
|
||||
convert_helper.h
|
||||
convert_helper.cc
|
||||
|
|
|
@ -1,311 +1,342 @@
|
|||
/*
|
||||
* The copyright in this software is being made available under the 2-clauses
|
||||
* BSD License, included below. This software may be subject to other third
|
||||
* party and contributor rights, including patent rights, and no such rights
|
||||
* are granted under this license.
|
||||
*
|
||||
* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
|
||||
* Copyright (c) 2002-2014, Professor Benoit Macq
|
||||
* Copyright (c) 2001-2003, David Janssens
|
||||
* Copyright (c) 2002-2003, Yannick Verschueren
|
||||
* Copyright (c) 2003-2007, Francois-Olivier Devaux
|
||||
* Copyright (c) 2003-2014, Antonin Descampe
|
||||
* Copyright (c) 2005, Herve Drolon, FreeImage Team
|
||||
* Copyright (c) 2006-2007, Parvatha Elangovan
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
// copies of a few library tools
|
||||
|
||||
#include "convert_helper.h"
|
||||
|
||||
const char* opj_version(void)
|
||||
{
|
||||
return "2.3.1";
|
||||
const char *opj_version(void) { return "2.3.1"; }
|
||||
|
||||
static int are_comps_similar(opj_image_t *image) {
|
||||
unsigned int i;
|
||||
for (i = 1; i < image->numcomps; i++) {
|
||||
if (image->comps[0].dx != image->comps[i].dx ||
|
||||
image->comps[0].dy != image->comps[i].dy ||
|
||||
(i <= 2 && (image->comps[0].prec != image->comps[i].prec ||
|
||||
image->comps[0].sgnd != image->comps[i].sgnd))) {
|
||||
return OPJ_FALSE;
|
||||
}
|
||||
}
|
||||
return OPJ_TRUE;
|
||||
}
|
||||
|
||||
static int are_comps_similar(opj_image_t * image)
|
||||
{
|
||||
unsigned int i;
|
||||
for (i = 1; i < image->numcomps; i++) {
|
||||
if (image->comps[0].dx != image->comps[i].dx ||
|
||||
image->comps[0].dy != image->comps[i].dy ||
|
||||
(i <= 2 &&
|
||||
(image->comps[0].prec != image->comps[i].prec ||
|
||||
image->comps[0].sgnd != image->comps[i].sgnd))) {
|
||||
return OPJ_FALSE;
|
||||
int imagetopnm(opj_image_t *image, const char *outfile, int force_split) {
|
||||
int *red, *green, *blue, *alpha;
|
||||
int wr, hr, max;
|
||||
int i;
|
||||
unsigned int compno, ncomp;
|
||||
int adjustR, adjustG, adjustB, adjustA;
|
||||
int fails, two, want_gray, has_alpha, triple;
|
||||
int prec, v;
|
||||
FILE *fdest = NULL;
|
||||
const char *tmp = outfile;
|
||||
char *destname;
|
||||
|
||||
alpha = NULL;
|
||||
|
||||
if ((prec = (int)image->comps[0].prec) > 16) {
|
||||
fprintf(stderr,
|
||||
"%s:%d:imagetopnm\n\tprecision %d is larger than 16"
|
||||
"\n\t: refused.\n",
|
||||
__FILE__, __LINE__, prec);
|
||||
return 1;
|
||||
}
|
||||
|
||||
two = has_alpha = 0;
|
||||
fails = 1;
|
||||
ncomp = image->numcomps;
|
||||
|
||||
while (*tmp) {
|
||||
++tmp;
|
||||
}
|
||||
tmp -= 2;
|
||||
want_gray = (*tmp == 'g' || *tmp == 'G');
|
||||
ncomp = image->numcomps;
|
||||
|
||||
if (want_gray) {
|
||||
ncomp = 1;
|
||||
}
|
||||
|
||||
if ((force_split == 0) && ncomp >= 2 && are_comps_similar(image)) {
|
||||
fdest = fopen(outfile, "wb");
|
||||
|
||||
if (!fdest) {
|
||||
fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
|
||||
return fails;
|
||||
}
|
||||
two = (prec > 8);
|
||||
triple = (ncomp > 2);
|
||||
wr = (int)image->comps[0].w;
|
||||
hr = (int)image->comps[0].h;
|
||||
max = (1 << prec) - 1;
|
||||
has_alpha = (ncomp == 4 || ncomp == 2);
|
||||
|
||||
red = image->comps[0].data;
|
||||
if (red == NULL) {
|
||||
fprintf(stderr, "imagetopnm: planes[%d] == NULL.\n", 0);
|
||||
fprintf(stderr, "\tAborting\n");
|
||||
fclose(fdest);
|
||||
return fails;
|
||||
}
|
||||
|
||||
if (triple) {
|
||||
green = image->comps[1].data;
|
||||
blue = image->comps[2].data;
|
||||
for (i = 1; i <= 2; i++) {
|
||||
if (image->comps[i].data == NULL) {
|
||||
fprintf(stderr, "imagetopnm: planes[%d] == NULL.\n", i);
|
||||
fprintf(stderr, "\tAborting\n");
|
||||
fclose(fdest);
|
||||
return fails;
|
||||
}
|
||||
}
|
||||
return OPJ_TRUE;
|
||||
}
|
||||
|
||||
int imagetopnm(opj_image_t * image, const char *outfile, int force_split)
|
||||
{
|
||||
int *red, *green, *blue, *alpha;
|
||||
int wr, hr, max;
|
||||
int i;
|
||||
unsigned int compno, ncomp;
|
||||
int adjustR, adjustG, adjustB, adjustA;
|
||||
int fails, two, want_gray, has_alpha, triple;
|
||||
int prec, v;
|
||||
FILE *fdest = NULL;
|
||||
const char *tmp = outfile;
|
||||
char *destname;
|
||||
|
||||
alpha = NULL;
|
||||
|
||||
if ((prec = (int)image->comps[0].prec) > 16) {
|
||||
fprintf(stderr, "%s:%d:imagetopnm\n\tprecision %d is larger than 16"
|
||||
"\n\t: refused.\n", __FILE__, __LINE__, prec);
|
||||
return 1;
|
||||
}
|
||||
} else {
|
||||
green = blue = NULL;
|
||||
}
|
||||
|
||||
two = has_alpha = 0;
|
||||
fails = 1;
|
||||
ncomp = image->numcomps;
|
||||
if (has_alpha) {
|
||||
const char *tt = (triple ? "RGB_ALPHA" : "GRAYSCALE_ALPHA");
|
||||
|
||||
while (*tmp) {
|
||||
++tmp;
|
||||
fprintf(fdest,
|
||||
"P7\n# OpenJPEG-%s\nWIDTH %d\nHEIGHT %d\nDEPTH %u\n"
|
||||
"MAXVAL %d\nTUPLTYPE %s\nENDHDR\n",
|
||||
opj_version(), wr, hr, ncomp, max, tt);
|
||||
alpha = image->comps[ncomp - 1].data;
|
||||
adjustA = (image->comps[ncomp - 1].sgnd
|
||||
? 1 << (image->comps[ncomp - 1].prec - 1)
|
||||
: 0);
|
||||
} else {
|
||||
fprintf(fdest, "P6\n# OpenJPEG-%s\n%d %d\n%d\n", opj_version(), wr, hr,
|
||||
max);
|
||||
adjustA = 0;
|
||||
}
|
||||
tmp -= 2;
|
||||
want_gray = (*tmp == 'g' || *tmp == 'G');
|
||||
ncomp = image->numcomps;
|
||||
adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
|
||||
|
||||
if (want_gray) {
|
||||
ncomp = 1;
|
||||
if (triple) {
|
||||
adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
|
||||
adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
|
||||
} else {
|
||||
adjustG = adjustB = 0;
|
||||
}
|
||||
|
||||
if ((force_split == 0) && ncomp >= 2 &&
|
||||
are_comps_similar(image)) {
|
||||
fdest = fopen(outfile, "wb");
|
||||
|
||||
if (!fdest) {
|
||||
fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
|
||||
return fails;
|
||||
for (i = 0; i < wr * hr; ++i) {
|
||||
if (two) {
|
||||
v = *red + adjustR;
|
||||
++red;
|
||||
if (v > 65535) {
|
||||
v = 65535;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
two = (prec > 8);
|
||||
triple = (ncomp > 2);
|
||||
wr = (int)image->comps[0].w;
|
||||
hr = (int)image->comps[0].h;
|
||||
max = (1 << prec) - 1;
|
||||
has_alpha = (ncomp == 4 || ncomp == 2);
|
||||
|
||||
red = image->comps[0].data;
|
||||
if (red == NULL) {
|
||||
fprintf(stderr,
|
||||
"imagetopnm: planes[%d] == NULL.\n", 0);
|
||||
fprintf(stderr, "\tAborting\n");
|
||||
fclose(fdest);
|
||||
return fails;
|
||||
}
|
||||
/* netpbm: */
|
||||
fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
|
||||
|
||||
if (triple) {
|
||||
green = image->comps[1].data;
|
||||
blue = image->comps[2].data;
|
||||
for (i = 1; i <= 2; i++) {
|
||||
if (image->comps[i].data == NULL) {
|
||||
fprintf(stderr,
|
||||
"imagetopnm: planes[%d] == NULL.\n", i);
|
||||
fprintf(stderr, "\tAborting\n");
|
||||
fclose(fdest);
|
||||
return fails;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
green = blue = NULL;
|
||||
}
|
||||
v = *green + adjustG;
|
||||
++green;
|
||||
if (v > 65535) {
|
||||
v = 65535;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
/* netpbm: */
|
||||
fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
|
||||
|
||||
v = *blue + adjustB;
|
||||
++blue;
|
||||
if (v > 65535) {
|
||||
v = 65535;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
/* netpbm: */
|
||||
fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
|
||||
|
||||
} /* if(triple) */
|
||||
|
||||
if (has_alpha) {
|
||||
const char *tt = (triple ? "RGB_ALPHA" : "GRAYSCALE_ALPHA");
|
||||
v = *alpha + adjustA;
|
||||
++alpha;
|
||||
if (v > 65535) {
|
||||
v = 65535;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
fprintf(fdest, "P7\n# OpenJPEG-%s\nWIDTH %d\nHEIGHT %d\nDEPTH %u\n"
|
||||
"MAXVAL %d\nTUPLTYPE %s\nENDHDR\n", opj_version(),
|
||||
wr, hr, ncomp, max, tt);
|
||||
alpha = image->comps[ncomp - 1].data;
|
||||
adjustA = (image->comps[ncomp - 1].sgnd ?
|
||||
1 << (image->comps[ncomp - 1].prec - 1) : 0);
|
||||
} else {
|
||||
fprintf(fdest, "P6\n# OpenJPEG-%s\n%d %d\n%d\n",
|
||||
opj_version(), wr, hr, max);
|
||||
adjustA = 0;
|
||||
/* netpbm: */
|
||||
fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
|
||||
}
|
||||
adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
|
||||
continue;
|
||||
|
||||
if (triple) {
|
||||
adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
|
||||
adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
|
||||
} else {
|
||||
adjustG = adjustB = 0;
|
||||
} /* if(two) */
|
||||
|
||||
/* prec <= 8: */
|
||||
v = *red++;
|
||||
if (v > 255) {
|
||||
v = 255;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
fprintf(fdest, "%c", (unsigned char)v);
|
||||
if (triple) {
|
||||
v = *green++;
|
||||
if (v > 255) {
|
||||
v = 255;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
for (i = 0; i < wr * hr; ++i) {
|
||||
if (two) {
|
||||
v = *red + adjustR;
|
||||
++red;
|
||||
if (v > 65535) {
|
||||
v = 65535;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
/* netpbm: */
|
||||
fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
|
||||
|
||||
if (triple) {
|
||||
v = *green + adjustG;
|
||||
++green;
|
||||
if (v > 65535) {
|
||||
v = 65535;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
/* netpbm: */
|
||||
fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
|
||||
|
||||
v = *blue + adjustB;
|
||||
++blue;
|
||||
if (v > 65535) {
|
||||
v = 65535;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
/* netpbm: */
|
||||
fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
|
||||
|
||||
}/* if(triple) */
|
||||
|
||||
if (has_alpha) {
|
||||
v = *alpha + adjustA;
|
||||
++alpha;
|
||||
if (v > 65535) {
|
||||
v = 65535;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
/* netpbm: */
|
||||
fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
|
||||
}
|
||||
continue;
|
||||
|
||||
} /* if(two) */
|
||||
|
||||
/* prec <= 8: */
|
||||
v = *red++;
|
||||
if (v > 255) {
|
||||
v = 255;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
fprintf(fdest, "%c", (unsigned char)v);
|
||||
if (triple) {
|
||||
v = *green++;
|
||||
if (v > 255) {
|
||||
v = 255;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
fprintf(fdest, "%c", (unsigned char)v);
|
||||
v = *blue++;
|
||||
if (v > 255) {
|
||||
v = 255;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
fprintf(fdest, "%c", (unsigned char)v);
|
||||
}
|
||||
if (has_alpha) {
|
||||
v = *alpha++;
|
||||
if (v > 255) {
|
||||
v = 255;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
fprintf(fdest, "%c", (unsigned char)v);
|
||||
}
|
||||
} /* for(i */
|
||||
|
||||
fclose(fdest);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* YUV or MONO: */
|
||||
|
||||
if (image->numcomps > ncomp) {
|
||||
fprintf(stderr, "WARNING -> [PGM file] Only the first component\n");
|
||||
fprintf(stderr, " is written to the file\n");
|
||||
}
|
||||
destname = (char*)malloc(strlen(outfile) + 8);
|
||||
if (destname == NULL) {
|
||||
fprintf(stderr, "imagetopnm: memory out\n");
|
||||
return 1;
|
||||
}
|
||||
for (compno = 0; compno < ncomp; compno++) {
|
||||
if (ncomp > 1) {
|
||||
/*sprintf(destname, "%d.%s", compno, outfile);*/
|
||||
const size_t olen = strlen(outfile);
|
||||
const size_t dotpos = olen - 4;
|
||||
|
||||
strncpy(destname, outfile, dotpos);
|
||||
sprintf(destname + dotpos, "_%u.pgm", compno);
|
||||
} else {
|
||||
sprintf(destname, "%s", outfile);
|
||||
fprintf(fdest, "%c", (unsigned char)v);
|
||||
v = *blue++;
|
||||
if (v > 255) {
|
||||
v = 255;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
fdest = fopen(destname, "wb");
|
||||
if (!fdest) {
|
||||
fprintf(stderr, "ERROR -> failed to open %s for writing\n", destname);
|
||||
free(destname);
|
||||
return 1;
|
||||
}
|
||||
wr = (int)image->comps[compno].w;
|
||||
hr = (int)image->comps[compno].h;
|
||||
prec = (int)image->comps[compno].prec;
|
||||
max = (1 << prec) - 1;
|
||||
|
||||
fprintf(fdest, "P5\n#OpenJPEG-%s\n%d %d\n%d\n",
|
||||
opj_version(), wr, hr, max);
|
||||
|
||||
red = image->comps[compno].data;
|
||||
|
||||
if (!red) {
|
||||
fclose(fdest);
|
||||
continue;
|
||||
fprintf(fdest, "%c", (unsigned char)v);
|
||||
}
|
||||
if (has_alpha) {
|
||||
v = *alpha++;
|
||||
if (v > 255) {
|
||||
v = 255;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
adjustR =
|
||||
(image->comps[compno].sgnd ? 1 << (image->comps[compno].prec - 1) : 0);
|
||||
|
||||
if (prec > 8) {
|
||||
for (i = 0; i < wr * hr; i++) {
|
||||
v = *red + adjustR;
|
||||
++red;
|
||||
if (v > 65535) {
|
||||
v = 65535;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
/* netpbm: */
|
||||
fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
|
||||
|
||||
if (has_alpha) {
|
||||
v = *alpha++;
|
||||
if (v > 65535) {
|
||||
v = 65535;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
/* netpbm: */
|
||||
fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
|
||||
}
|
||||
}/* for(i */
|
||||
} else { /* prec <= 8 */
|
||||
for (i = 0; i < wr * hr; ++i) {
|
||||
v = *red + adjustR;
|
||||
++red;
|
||||
if (v > 255) {
|
||||
v = 255;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
fprintf(fdest, "%c", (unsigned char)v);
|
||||
}
|
||||
}
|
||||
fclose(fdest);
|
||||
} /* for (compno */
|
||||
free(destname);
|
||||
fprintf(fdest, "%c", (unsigned char)v);
|
||||
}
|
||||
} /* for(i */
|
||||
|
||||
fclose(fdest);
|
||||
return 0;
|
||||
}/* imagetopnm() */
|
||||
}
|
||||
|
||||
/* YUV or MONO: */
|
||||
|
||||
if (image->numcomps > ncomp) {
|
||||
fprintf(stderr, "WARNING -> [PGM file] Only the first component\n");
|
||||
fprintf(stderr, " is written to the file\n");
|
||||
}
|
||||
destname = (char *)malloc(strlen(outfile) + 8);
|
||||
if (destname == NULL) {
|
||||
fprintf(stderr, "imagetopnm: memory out\n");
|
||||
return 1;
|
||||
}
|
||||
for (compno = 0; compno < ncomp; compno++) {
|
||||
if (ncomp > 1) {
|
||||
/*sprintf(destname, "%d.%s", compno, outfile);*/
|
||||
const size_t olen = strlen(outfile);
|
||||
const size_t dotpos = olen - 4;
|
||||
|
||||
strncpy(destname, outfile, dotpos);
|
||||
sprintf(destname + dotpos, "_%u.pgm", compno);
|
||||
} else {
|
||||
sprintf(destname, "%s", outfile);
|
||||
}
|
||||
|
||||
fdest = fopen(destname, "wb");
|
||||
if (!fdest) {
|
||||
fprintf(stderr, "ERROR -> failed to open %s for writing\n", destname);
|
||||
free(destname);
|
||||
return 1;
|
||||
}
|
||||
wr = (int)image->comps[compno].w;
|
||||
hr = (int)image->comps[compno].h;
|
||||
prec = (int)image->comps[compno].prec;
|
||||
max = (1 << prec) - 1;
|
||||
|
||||
fprintf(fdest, "P5\n#OpenJPEG-%s\n%d %d\n%d\n", opj_version(), wr, hr, max);
|
||||
|
||||
red = image->comps[compno].data;
|
||||
|
||||
if (!red) {
|
||||
fclose(fdest);
|
||||
continue;
|
||||
}
|
||||
|
||||
adjustR =
|
||||
(image->comps[compno].sgnd ? 1 << (image->comps[compno].prec - 1) : 0);
|
||||
|
||||
if (prec > 8) {
|
||||
for (i = 0; i < wr * hr; i++) {
|
||||
v = *red + adjustR;
|
||||
++red;
|
||||
if (v > 65535) {
|
||||
v = 65535;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
/* netpbm: */
|
||||
fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
|
||||
|
||||
if (has_alpha) {
|
||||
v = *alpha++;
|
||||
if (v > 65535) {
|
||||
v = 65535;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
|
||||
/* netpbm: */
|
||||
fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
|
||||
}
|
||||
} /* for(i */
|
||||
} else { /* prec <= 8 */
|
||||
for (i = 0; i < wr * hr; ++i) {
|
||||
v = *red + adjustR;
|
||||
++red;
|
||||
if (v > 255) {
|
||||
v = 255;
|
||||
} else if (v < 0) {
|
||||
v = 0;
|
||||
}
|
||||
fprintf(fdest, "%c", (unsigned char)v);
|
||||
}
|
||||
}
|
||||
fclose(fdest);
|
||||
} /* for (compno */
|
||||
free(destname);
|
||||
|
||||
return 0;
|
||||
} /* imagetopnm() */
|
||||
|
|
|
@ -1,8 +1,11 @@
|
|||
// imagetopnm and the two functions it calls internaly are copied from the
|
||||
// library's tools; from openjpeg/src/bin/jp2/convert.c
|
||||
|
||||
#include "openjp2_sapi.sapi.h"
|
||||
|
||||
#define OPJ_TRUE 1
|
||||
#define OPJ_FALSE 0
|
||||
|
||||
const char* opj_version(void);
|
||||
int imagetopnm(opj_image_t * image, const char *outfile, int force_split);
|
||||
static int are_comps_similar(opj_image_t * image);
|
||||
static int are_comps_similar(opj_image_t* image);
|
||||
int imagetopnm(opj_image_t* image, const char* outfile, int force_split);
|
||||
|
|
|
@ -12,19 +12,16 @@
|
|||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
|
||||
// Perform decompression from *.jp2 to *.pnm format
|
||||
|
||||
// Perform decompression from *.jp2 to *.pnm format
|
||||
|
||||
#include <libgen.h>
|
||||
#include <syscall.h>
|
||||
|
||||
#include <iostream>
|
||||
#include <cstdlib>
|
||||
#include <cassert>
|
||||
#include <cstdlib>
|
||||
#include <iostream>
|
||||
|
||||
#include "convert_helper.h"
|
||||
|
||||
#include "openjp2_sapi.sapi.h"
|
||||
#include "sandboxed_api/util/flag.h"
|
||||
|
||||
|
@ -33,8 +30,7 @@ class Opj_image_t : public sapi::v::Struct<opj_image_t> {};
|
|||
|
||||
class Openjp2SapiSandbox : public Openjp2Sandbox {
|
||||
public:
|
||||
Openjp2SapiSandbox(const std::string& in_file)
|
||||
: in_file_(in_file) {}
|
||||
Openjp2SapiSandbox(const std::string& in_file) : in_file_(in_file) {}
|
||||
|
||||
std::unique_ptr<sandbox2::Policy> ModifyPolicy(
|
||||
sandbox2::PolicyBuilder*) override {
|
||||
|
@ -47,9 +43,9 @@ class Openjp2SapiSandbox : public Openjp2Sandbox {
|
|||
.AllowSystemMalloc()
|
||||
.AllowExit()
|
||||
.AllowSyscalls({
|
||||
__NR_futex,
|
||||
__NR_close,
|
||||
__NR_lseek,
|
||||
__NR_futex,
|
||||
__NR_close,
|
||||
__NR_lseek,
|
||||
})
|
||||
.AddFile(in_file_)
|
||||
.BuildOrDie();
|
||||
|
@ -59,105 +55,105 @@ class Openjp2SapiSandbox : public Openjp2Sandbox {
|
|||
std::string in_file_;
|
||||
};
|
||||
|
||||
|
||||
int main(int argc, char* argv[]) {
|
||||
gflags::ParseCommandLineFlags(&argc, &argv, true);
|
||||
gflags::ParseCommandLineFlags(&argc, &argv, true);
|
||||
|
||||
if (argc != 3) {
|
||||
std::cerr << "usage: "
|
||||
<< basename(argv[0])
|
||||
<< " absolute/path/to/INPUT.jp2"
|
||||
<< " absolute/path/to/OUTPUT.pnm\n";
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
if (argc != 3) {
|
||||
std::cerr << "usage: " << basename(argv[0]) << " absolute/path/to/INPUT.jp2"
|
||||
<< " absolute/path/to/OUTPUT.pnm\n";
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
|
||||
std::string in_file(argv[1]);
|
||||
std::string in_file(argv[1]);
|
||||
|
||||
Openjp2SapiSandbox sandbox(in_file);
|
||||
absl::Status status = sandbox.Init();
|
||||
assert(status.ok());
|
||||
// initialize sandbox
|
||||
Openjp2SapiSandbox sandbox(in_file);
|
||||
absl::Status status = sandbox.Init();
|
||||
assert(status.ok());
|
||||
|
||||
Openjp2Api api(&sandbox);
|
||||
sapi::v::ConstCStr in_file_v(in_file.c_str());
|
||||
Openjp2Api api(&sandbox);
|
||||
sapi::v::ConstCStr in_file_v(in_file.c_str());
|
||||
|
||||
sapi::StatusOr<opj_stream_t*> stream_status
|
||||
= api.opj_stream_create_default_file_stream(in_file_v.PtrBefore(), 1);
|
||||
assert(stream_status.ok());
|
||||
void* stream_status_value = stream_status.value();
|
||||
sapi::v::RemotePtr stream_pointer(stream_status_value);
|
||||
// initialize library's main data-holders
|
||||
sapi::StatusOr<opj_stream_t*> stream_status =
|
||||
api.opj_stream_create_default_file_stream(in_file_v.PtrBefore(), 1);
|
||||
assert(stream_status.ok());
|
||||
void* stream_status_value = stream_status.value();
|
||||
sapi::v::RemotePtr stream_pointer(stream_status_value);
|
||||
|
||||
sapi::StatusOr<opj_codec_t*> codec_status
|
||||
= api.opj_create_decompress(OPJ_CODEC_JP2);
|
||||
assert(codec_status.ok());
|
||||
void* codec_status_value = codec_status.value();
|
||||
sapi::v::RemotePtr codec_pointer(codec_status_value);
|
||||
sapi::StatusOr<opj_codec_t*> codec_status =
|
||||
api.opj_create_decompress(OPJ_CODEC_JP2);
|
||||
assert(codec_status.ok());
|
||||
void* codec_status_value = codec_status.value();
|
||||
sapi::v::RemotePtr codec_pointer(codec_status_value);
|
||||
|
||||
Parameters parameters;
|
||||
status = api.opj_set_default_decoder_parameters(parameters.PtrBoth());
|
||||
assert(status.ok());
|
||||
Parameters parameters;
|
||||
status = api.opj_set_default_decoder_parameters(parameters.PtrBoth());
|
||||
assert(status.ok());
|
||||
|
||||
sapi::StatusOr<OPJ_BOOL> bool_status
|
||||
= api.opj_setup_decoder(&codec_pointer, parameters.PtrBefore());
|
||||
assert(bool_status.ok());
|
||||
assert(bool_status.value());
|
||||
sapi::StatusOr<OPJ_BOOL> bool_status =
|
||||
api.opj_setup_decoder(&codec_pointer, parameters.PtrBefore());
|
||||
assert(bool_status.ok());
|
||||
assert(bool_status.value());
|
||||
|
||||
sapi::v::GenericPtr image_pointer;
|
||||
bool_status = api.opj_read_header(&stream_pointer,
|
||||
&codec_pointer,
|
||||
image_pointer.PtrAfter());
|
||||
assert(bool_status.ok());
|
||||
assert(bool_status.value());
|
||||
// start reading image from the input file
|
||||
sapi::v::GenericPtr image_pointer;
|
||||
bool_status = api.opj_read_header(&stream_pointer, &codec_pointer,
|
||||
image_pointer.PtrAfter());
|
||||
assert(bool_status.ok());
|
||||
assert(bool_status.value());
|
||||
|
||||
Opj_image_t image;
|
||||
image.SetRemote((void*)image_pointer.GetValue());
|
||||
assert(sandbox.TransferFromSandboxee(&image).ok());
|
||||
Opj_image_t image;
|
||||
image.SetRemote((void*)image_pointer.GetValue());
|
||||
assert(sandbox.TransferFromSandboxee(&image).ok());
|
||||
|
||||
bool_status = api.opj_decode(&codec_pointer,
|
||||
&stream_pointer,
|
||||
(sapi::v::Ptr*)&image_pointer);
|
||||
assert(bool_status.ok());
|
||||
assert(bool_status.value());
|
||||
bool_status = api.opj_decode(&codec_pointer, &stream_pointer,
|
||||
(sapi::v::Ptr*)&image_pointer);
|
||||
assert(bool_status.ok());
|
||||
assert(bool_status.value());
|
||||
|
||||
bool_status = api.opj_end_decompress(&codec_pointer, &stream_pointer);
|
||||
assert(bool_status.ok());
|
||||
assert(bool_status.value());
|
||||
bool_status = api.opj_end_decompress(&codec_pointer, &stream_pointer);
|
||||
assert(bool_status.ok());
|
||||
assert(bool_status.value());
|
||||
|
||||
status = api.opj_stream_destroy(&stream_pointer);
|
||||
assert(status.ok());
|
||||
int components = image.data().numcomps;
|
||||
|
||||
int components = image.data().numcomps;
|
||||
// transfer the read data to the main process
|
||||
sapi::v::Array<opj_image_comp_t> image_components(components);
|
||||
image_components.SetRemote(image.data().comps);
|
||||
assert(sandbox.TransferFromSandboxee(&image_components).ok());
|
||||
|
||||
sapi::v::Array<opj_image_comp_t> image_components(components);
|
||||
image_components.SetRemote(image.data().comps);
|
||||
assert(sandbox.TransferFromSandboxee(&image_components).ok());
|
||||
image.mutable_data()->comps = (opj_image_comp_t*)image_components.GetLocal();
|
||||
|
||||
image.mutable_data()->comps
|
||||
= (opj_image_comp_t*)image_components.GetLocal();
|
||||
int width = (int)image.data().comps[0].w;
|
||||
int height = (int)image.data().comps[0].h;
|
||||
|
||||
int width = (int)image.data().comps[0].w;
|
||||
int height = (int)image.data().comps[0].h;
|
||||
OPJ_INT32 data[components][width * height];
|
||||
sapi::v::Array<OPJ_INT32> image_components_data(width * height);
|
||||
|
||||
int data[components][width * height];
|
||||
sapi::v::Array<int> image_components_data(width * height);
|
||||
for (int i = 0; i < components; i++) {
|
||||
image_components_data.SetRemote(image.data().comps[i].data);
|
||||
assert(sandbox.TransferFromSandboxee(&image_components_data).ok());
|
||||
for (int j = 0; j < width * height; j++) {
|
||||
data[i][j] = image_components_data[j];
|
||||
}
|
||||
image_components[i].data = data[i];
|
||||
}
|
||||
|
||||
for (int i = 0; i < components; i++) {
|
||||
image_components_data.SetRemote(image.data().comps[i].data);
|
||||
assert(sandbox.TransferFromSandboxee(&image_components_data).ok());
|
||||
for (int j = 0; j < width * height; j++) {
|
||||
data[i][j] = image_components_data[j];
|
||||
}
|
||||
image_components[i].data = data[i];
|
||||
}
|
||||
// convert the image to the desired format and save it to the file
|
||||
int error = imagetopnm((opj_image_t*)image.GetLocal(), argv[2], 0);
|
||||
assert(error == 0);
|
||||
|
||||
int error = imagetopnm((opj_image_t*)image.GetLocal(), argv[2], 0);
|
||||
assert(error == 0);
|
||||
// cleanup
|
||||
sapi::v::RemotePtr remote_image_pointer(image.GetRemote());
|
||||
status = api.opj_image_destroy(&remote_image_pointer);
|
||||
assert(status.ok());
|
||||
|
||||
status = api.opj_destroy_codec(&codec_pointer);
|
||||
assert(status.ok());
|
||||
status = api.opj_stream_destroy(&stream_pointer);
|
||||
assert(status.ok());
|
||||
|
||||
sapi::v::RemotePtr remote_image_pointer(image.GetRemote());
|
||||
status = api.opj_image_destroy(&remote_image_pointer);
|
||||
assert(status.ok());
|
||||
status = api.opj_destroy_codec(&codec_pointer);
|
||||
assert(status.ok());
|
||||
|
||||
return EXIT_SUCCESS;
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue
Block a user