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openjpeg/src/bin/common/color.c

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/*
* 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
* 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.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <assert.h>
#include "opj_apps_config.h"
#include "openjpeg.h"
#include "color.h"
#ifdef OPJ_HAVE_LIBLCMS2
#include <lcms2.h>
#endif
#ifdef OPJ_HAVE_LIBLCMS1
#include <lcms.h>
#endif
#ifdef OPJ_USE_LEGACY
#define OPJ_CLRSPC_GRAY CLRSPC_GRAY
#define OPJ_CLRSPC_SRGB CLRSPC_SRGB
#endif
/*--------------------------------------------------------
Matrix for sYCC, Amendment 1 to IEC 61966-2-1
Y : 0.299 0.587 0.114 :R
Cb: -0.1687 -0.3312 0.5 :G
Cr: 0.5 -0.4187 -0.0812 :B
Inverse:
R: 1 -3.68213e-05 1.40199 :Y
G: 1.00003 -0.344125 -0.714128 :Cb - 2^(prec - 1)
B: 0.999823 1.77204 -8.04142e-06 :Cr - 2^(prec - 1)
-----------------------------------------------------------*/
static void sycc_to_rgb(int offset, int upb, int y, int cb, int cr,
int *out_r, int *out_g, int *out_b)
{
int r, g, b;
cb -= offset;
cr -= offset;
r = y + (int)(1.402 * (float)cr);
if (r < 0) {
r = 0;
} else if (r > upb) {
r = upb;
}
*out_r = r;
g = y - (int)(0.344 * (float)cb + 0.714 * (float)cr);
if (g < 0) {
g = 0;
} else if (g > upb) {
g = upb;
}
*out_g = g;
b = y + (int)(1.772 * (float)cb);
if (b < 0) {
b = 0;
} else if (b > upb) {
b = upb;
}
*out_b = b;
}
static void sycc444_to_rgb(opj_image_t *img)
{
int *d0, *d1, *d2, *r, *g, *b;
const int *y, *cb, *cr;
size_t maxw, maxh, max, i;
int offset, upb;
upb = (int)img->comps[0].prec;
offset = 1 << (upb - 1);
upb = (1 << upb) - 1;
maxw = (size_t)img->comps[0].w;
maxh = (size_t)img->comps[0].h;
max = maxw * maxh;
y = img->comps[0].data;
cb = img->comps[1].data;
cr = img->comps[2].data;
d0 = r = (int*)opj_image_data_alloc(sizeof(int) * max);
d1 = g = (int*)opj_image_data_alloc(sizeof(int) * max);
d2 = b = (int*)opj_image_data_alloc(sizeof(int) * max);
if (r == NULL || g == NULL || b == NULL) {
goto fails;
}
for (i = 0U; i < max; ++i) {
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y;
++cb;
++cr;
++r;
++g;
++b;
}
opj_image_data_free(img->comps[0].data);
img->comps[0].data = d0;
opj_image_data_free(img->comps[1].data);
img->comps[1].data = d1;
opj_image_data_free(img->comps[2].data);
img->comps[2].data = d2;
img->color_space = OPJ_CLRSPC_SRGB;
return;
fails:
opj_image_data_free(r);
opj_image_data_free(g);
opj_image_data_free(b);
}/* sycc444_to_rgb() */
static void sycc422_to_rgb(opj_image_t *img)
{
int *d0, *d1, *d2, *r, *g, *b;
const int *y, *cb, *cr;
size_t maxw, maxh, max, offx, loopmaxw;
int offset, upb;
size_t i;
upb = (int)img->comps[0].prec;
offset = 1 << (upb - 1);
upb = (1 << upb) - 1;
maxw = (size_t)img->comps[0].w;
maxh = (size_t)img->comps[0].h;
max = maxw * maxh;
y = img->comps[0].data;
cb = img->comps[1].data;
cr = img->comps[2].data;
d0 = r = (int*)opj_image_data_alloc(sizeof(int) * max);
d1 = g = (int*)opj_image_data_alloc(sizeof(int) * max);
d2 = b = (int*)opj_image_data_alloc(sizeof(int) * max);
if (r == NULL || g == NULL || b == NULL) {
goto fails;
}
/* if img->x0 is odd, then first column shall use Cb/Cr = 0 */
offx = img->x0 & 1U;
loopmaxw = maxw - offx;
for (i = 0U; i < maxh; ++i) {
size_t j;
if (offx > 0U) {
sycc_to_rgb(offset, upb, *y, 0, 0, r, g, b);
++y;
++r;
++g;
++b;
}
for (j = 0U; j < (loopmaxw & ~(size_t)1U); j += 2U) {
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y;
++r;
++g;
++b;
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y;
++r;
++g;
++b;
++cb;
++cr;
}
if (j < loopmaxw) {
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y;
++r;
++g;
++b;
++cb;
++cr;
}
}
opj_image_data_free(img->comps[0].data);
img->comps[0].data = d0;
opj_image_data_free(img->comps[1].data);
img->comps[1].data = d1;
opj_image_data_free(img->comps[2].data);
img->comps[2].data = d2;
img->comps[1].w = img->comps[2].w = img->comps[0].w;
img->comps[1].h = img->comps[2].h = img->comps[0].h;
img->comps[1].dx = img->comps[2].dx = img->comps[0].dx;
img->comps[1].dy = img->comps[2].dy = img->comps[0].dy;
img->color_space = OPJ_CLRSPC_SRGB;
return;
fails:
opj_image_data_free(r);
opj_image_data_free(g);
opj_image_data_free(b);
}/* sycc422_to_rgb() */
static void sycc420_to_rgb(opj_image_t *img)
{
int *d0, *d1, *d2, *r, *g, *b, *nr, *ng, *nb;
const int *y, *cb, *cr, *ny;
size_t maxw, maxh, max, offx, loopmaxw, offy, loopmaxh;
int offset, upb;
size_t i;
upb = (int)img->comps[0].prec;
offset = 1 << (upb - 1);
upb = (1 << upb) - 1;
maxw = (size_t)img->comps[0].w;
maxh = (size_t)img->comps[0].h;
max = maxw * maxh;
y = img->comps[0].data;
cb = img->comps[1].data;
cr = img->comps[2].data;
d0 = r = (int*)opj_image_data_alloc(sizeof(int) * max);
d1 = g = (int*)opj_image_data_alloc(sizeof(int) * max);
d2 = b = (int*)opj_image_data_alloc(sizeof(int) * max);
if (r == NULL || g == NULL || b == NULL) {
goto fails;
}
/* if img->x0 is odd, then first column shall use Cb/Cr = 0 */
offx = img->x0 & 1U;
loopmaxw = maxw - offx;
/* if img->y0 is odd, then first line shall use Cb/Cr = 0 */
offy = img->y0 & 1U;
loopmaxh = maxh - offy;
if (offy > 0U) {
size_t j;
for (j = 0; j < maxw; ++j) {
sycc_to_rgb(offset, upb, *y, 0, 0, r, g, b);
++y;
++r;
++g;
++b;
}
}
for (i = 0U; i < (loopmaxh & ~(size_t)1U); i += 2U) {
size_t j;
ny = y + maxw;
nr = r + maxw;
ng = g + maxw;
nb = b + maxw;
if (offx > 0U) {
sycc_to_rgb(offset, upb, *y, 0, 0, r, g, b);
++y;
++r;
++g;
++b;
sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
++ny;
++nr;
++ng;
++nb;
}
for (j = 0; j < (loopmaxw & ~(size_t)1U); j += 2U) {
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y;
++r;
++g;
++b;
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y;
++r;
++g;
++b;
sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
++ny;
++nr;
++ng;
++nb;
sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
++ny;
++nr;
++ng;
++nb;
++cb;
++cr;
}
if (j < loopmaxw) {
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y;
++r;
++g;
++b;
sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
++ny;
++nr;
++ng;
++nb;
++cb;
++cr;
}
y += maxw;
r += maxw;
g += maxw;
b += maxw;
}
if (i < loopmaxh) {
size_t j;
for (j = 0U; j < (maxw & ~(size_t)1U); j += 2U) {
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y;
++r;
++g;
++b;
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y;
++r;
++g;
++b;
++cb;
++cr;
}
if (j < maxw) {
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
}
}
opj_image_data_free(img->comps[0].data);
img->comps[0].data = d0;
opj_image_data_free(img->comps[1].data);
img->comps[1].data = d1;
opj_image_data_free(img->comps[2].data);
img->comps[2].data = d2;
img->comps[1].w = img->comps[2].w = img->comps[0].w;
img->comps[1].h = img->comps[2].h = img->comps[0].h;
img->comps[1].dx = img->comps[2].dx = img->comps[0].dx;
img->comps[1].dy = img->comps[2].dy = img->comps[0].dy;
img->color_space = OPJ_CLRSPC_SRGB;
return;
fails:
opj_image_data_free(r);
opj_image_data_free(g);
opj_image_data_free(b);
}/* sycc420_to_rgb() */
void color_sycc_to_rgb(opj_image_t *img)
{
if (img->numcomps < 3) {
img->color_space = OPJ_CLRSPC_GRAY;
return;
}
if ((img->comps[0].dx == 1)
&& (img->comps[1].dx == 2)
&& (img->comps[2].dx == 2)
&& (img->comps[0].dy == 1)
&& (img->comps[1].dy == 2)
&& (img->comps[2].dy == 2)) { /* horizontal and vertical sub-sample */
sycc420_to_rgb(img);
} else if ((img->comps[0].dx == 1)
&& (img->comps[1].dx == 2)
&& (img->comps[2].dx == 2)
&& (img->comps[0].dy == 1)
&& (img->comps[1].dy == 1)
&& (img->comps[2].dy == 1)) { /* horizontal sub-sample only */
sycc422_to_rgb(img);
} else if ((img->comps[0].dx == 1)
&& (img->comps[1].dx == 1)
&& (img->comps[2].dx == 1)
&& (img->comps[0].dy == 1)
&& (img->comps[1].dy == 1)
&& (img->comps[2].dy == 1)) { /* no sub-sample */
sycc444_to_rgb(img);
} else {
fprintf(stderr, "%s:%d:color_sycc_to_rgb\n\tCAN NOT CONVERT\n", __FILE__,
__LINE__);
return;
}
}/* color_sycc_to_rgb() */
#if defined(OPJ_HAVE_LIBLCMS2) || defined(OPJ_HAVE_LIBLCMS1)
#ifdef OPJ_HAVE_LIBLCMS1
/* Bob Friesenhahn proposed:*/
#define cmsSigXYZData icSigXYZData
#define cmsSigLabData icSigLabData
#define cmsSigCmykData icSigCmykData
#define cmsSigYCbCrData icSigYCbCrData
#define cmsSigLuvData icSigLuvData
#define cmsSigGrayData icSigGrayData
#define cmsSigRgbData icSigRgbData
#define cmsUInt32Number DWORD
#define cmsColorSpaceSignature icColorSpaceSignature
#define cmsGetHeaderRenderingIntent cmsTakeRenderingIntent
#endif /* OPJ_HAVE_LIBLCMS1 */
/*#define DEBUG_PROFILE*/
void color_apply_icc_profile(opj_image_t *image)
{
cmsHPROFILE in_prof, out_prof;
cmsHTRANSFORM transform;
cmsColorSpaceSignature in_space, out_space;
cmsUInt32Number intent, in_type, out_type;
int *r, *g, *b;
size_t nr_samples, i, max, max_w, max_h;
int prec, ok = 0;
OPJ_COLOR_SPACE new_space;
in_prof = cmsOpenProfileFromMem(image->icc_profile_buf, image->icc_profile_len);
#ifdef DEBUG_PROFILE
FILE *icm = fopen("debug.icm", "wb");
fwrite(image->icc_profile_buf, 1, image->icc_profile_len, icm);
fclose(icm);
#endif
if (in_prof == NULL) {
return;
}
in_space = cmsGetPCS(in_prof);
out_space = cmsGetColorSpace(in_prof);
intent = cmsGetHeaderRenderingIntent(in_prof);
max_w = image->comps[0].w;
max_h = image->comps[0].h;
prec = (int)image->comps[0].prec;
if (out_space == cmsSigRgbData) { /* enumCS 16 */
unsigned int i, nr_comp = image->numcomps;
if (nr_comp > 4) {
nr_comp = 4;
}
for (i = 1; i < nr_comp; ++i) { /* AFL test */
if (image->comps[0].dx != image->comps[i].dx) {
break;
}
if (image->comps[0].dy != image->comps[i].dy) {
break;
}
if (image->comps[0].prec != image->comps[i].prec) {
break;
}
if (image->comps[0].sgnd != image->comps[i].sgnd) {
break;
}
}
if (i != nr_comp) {
cmsCloseProfile(in_prof);
return;
}
if (prec <= 8) {
in_type = TYPE_RGB_8;
out_type = TYPE_RGB_8;
} else {
in_type = TYPE_RGB_16;
out_type = TYPE_RGB_16;
}
out_prof = cmsCreate_sRGBProfile();
new_space = OPJ_CLRSPC_SRGB;
} else if (out_space == cmsSigGrayData) { /* enumCS 17 */
in_type = TYPE_GRAY_8;
out_type = TYPE_RGB_8;
out_prof = cmsCreate_sRGBProfile();
new_space = OPJ_CLRSPC_SRGB;
} else if (out_space == cmsSigYCbCrData) { /* enumCS 18 */
in_type = TYPE_YCbCr_16;
out_type = TYPE_RGB_16;
out_prof = cmsCreate_sRGBProfile();
new_space = OPJ_CLRSPC_SRGB;
} else {
#ifdef DEBUG_PROFILE
fprintf(stderr, "%s:%d: color_apply_icc_profile\n\tICC Profile has unknown "
"output colorspace(%#x)(%c%c%c%c)\n\tICC Profile ignored.\n",
__FILE__, __LINE__, out_space,
(out_space >> 24) & 0xff, (out_space >> 16) & 0xff,
(out_space >> 8) & 0xff, out_space & 0xff);
#endif
cmsCloseProfile(in_prof);
return;
}
if (out_prof == NULL) {
cmsCloseProfile(in_prof);
return;
}
#ifdef DEBUG_PROFILE
fprintf(stderr,
"%s:%d:color_apply_icc_profile\n\tchannels(%d) prec(%d) w(%d) h(%d)"
"\n\tprofile: in(%p) out(%p)\n", __FILE__, __LINE__, image->numcomps, prec,
max_w, max_h, (void*)in_prof, (void*)out_prof);
fprintf(stderr, "\trender_intent (%u)\n\t"
"color_space: in(%#x)(%c%c%c%c) out:(%#x)(%c%c%c%c)\n\t"
" type: in(%u) out:(%u)\n",
intent,
in_space,
(in_space >> 24) & 0xff, (in_space >> 16) & 0xff,
(in_space >> 8) & 0xff, in_space & 0xff,
out_space,
(out_space >> 24) & 0xff, (out_space >> 16) & 0xff,
(out_space >> 8) & 0xff, out_space & 0xff,
in_type, out_type
);
#else
(void)prec;
(void)in_space;
#endif /* DEBUG_PROFILE */
transform = cmsCreateTransform(in_prof, in_type, out_prof, out_type, intent, 0);
#ifdef OPJ_HAVE_LIBLCMS2
/* Possible for: LCMS_VERSION >= 2000 :*/
cmsCloseProfile(in_prof);
cmsCloseProfile(out_prof);
#endif
if (transform == NULL) {
#ifdef DEBUG_PROFILE
fprintf(stderr, "%s:%d:color_apply_icc_profile\n\tcmsCreateTransform failed. "
"ICC Profile ignored.\n", __FILE__, __LINE__);
#endif
#ifdef OPJ_HAVE_LIBLCMS1
cmsCloseProfile(in_prof);
cmsCloseProfile(out_prof);
#endif
return;
}
if (image->numcomps > 2) { /* RGB, RGBA */
if (prec <= 8) {
unsigned char *inbuf, *outbuf, *in, *out;
max = max_w * max_h;
nr_samples = (size_t)(max * 3U * sizeof(unsigned char));
in = inbuf = (unsigned char*)opj_image_data_alloc(nr_samples);
out = outbuf = (unsigned char*)opj_image_data_alloc(nr_samples);
if (inbuf == NULL || outbuf == NULL) {
goto fails0;
}
r = image->comps[0].data;
g = image->comps[1].data;
b = image->comps[2].data;
for (i = 0U; i < max; ++i) {
*in++ = (unsigned char) * r++;
*in++ = (unsigned char) * g++;
*in++ = (unsigned char) * b++;
}
cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
r = image->comps[0].data;
g = image->comps[1].data;
b = image->comps[2].data;
for (i = 0U; i < max; ++i) {
*r++ = (int) * out++;
*g++ = (int) * out++;
*b++ = (int) * out++;
}
ok = 1;
fails0:
opj_image_data_free(inbuf);
opj_image_data_free(outbuf);
} else { /* prec > 8 */
unsigned short *inbuf, *outbuf, *in, *out;
max = max_w * max_h;
nr_samples = (size_t)(max * 3U * sizeof(unsigned short));
in = inbuf = (unsigned short*)opj_image_data_alloc(nr_samples);
out = outbuf = (unsigned short*)opj_image_data_alloc(nr_samples);
if (inbuf == NULL || outbuf == NULL) {
goto fails1;
}
r = image->comps[0].data;
g = image->comps[1].data;
b = image->comps[2].data;
for (i = 0U ; i < max; ++i) {
*in++ = (unsigned short) * r++;
*in++ = (unsigned short) * g++;
*in++ = (unsigned short) * b++;
}
cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
r = image->comps[0].data;
g = image->comps[1].data;
b = image->comps[2].data;
for (i = 0; i < max; ++i) {
*r++ = (int) * out++;
*g++ = (int) * out++;
*b++ = (int) * out++;
}
ok = 1;
fails1:
opj_image_data_free(inbuf);
opj_image_data_free(outbuf);
}
} else { /* image->numcomps <= 2 : GRAY, GRAYA */
if (prec <= 8) {
unsigned char *in, *inbuf, *out, *outbuf;
opj_image_comp_t *new_comps;
max = max_w * max_h;
nr_samples = (size_t)(max * 3 * sizeof(unsigned char));
in = inbuf = (unsigned char*)opj_image_data_alloc(nr_samples);
out = outbuf = (unsigned char*)opj_image_data_alloc(nr_samples);
g = (int*)opj_image_data_alloc((size_t)max * sizeof(int));
b = (int*)opj_image_data_alloc((size_t)max * sizeof(int));
if (inbuf == NULL || outbuf == NULL || g == NULL || b == NULL) {
goto fails2;
}
new_comps = (opj_image_comp_t*)realloc(image->comps,
(image->numcomps + 2) * sizeof(opj_image_comp_t));
if (new_comps == NULL) {
goto fails2;
}
image->comps = new_comps;
if (image->numcomps == 2) {
image->comps[3] = image->comps[1];
}
image->comps[1] = image->comps[0];
image->comps[2] = image->comps[0];
image->comps[1].data = g;
image->comps[2].data = b;
image->numcomps += 2;
r = image->comps[0].data;
for (i = 0U; i < max; ++i) {
*in++ = (unsigned char) * r++;
}
cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
r = image->comps[0].data;
g = image->comps[1].data;
b = image->comps[2].data;
for (i = 0U; i < max; ++i) {
*r++ = (int) * out++;
*g++ = (int) * out++;
*b++ = (int) * out++;
}
r = g = b = NULL;
ok = 1;
fails2:
opj_image_data_free(inbuf);
opj_image_data_free(outbuf);
opj_image_data_free(g);
opj_image_data_free(b);
} else { /* prec > 8 */
unsigned short *in, *inbuf, *out, *outbuf;
opj_image_comp_t *new_comps;
max = max_w * max_h;
nr_samples = (size_t)(max * 3U * sizeof(unsigned short));
in = inbuf = (unsigned short*)opj_image_data_alloc(nr_samples);
out = outbuf = (unsigned short*)opj_image_data_alloc(nr_samples);
g = (int*)opj_image_data_alloc((size_t)max * sizeof(int));
b = (int*)opj_image_data_alloc((size_t)max * sizeof(int));
if (inbuf == NULL || outbuf == NULL || g == NULL || b == NULL) {
goto fails3;
}
new_comps = (opj_image_comp_t*)realloc(image->comps,
(image->numcomps + 2) * sizeof(opj_image_comp_t));
if (new_comps == NULL) {
goto fails3;
}
image->comps = new_comps;
if (image->numcomps == 2) {
image->comps[3] = image->comps[1];
}
image->comps[1] = image->comps[0];
image->comps[2] = image->comps[0];
image->comps[1].data = g;
image->comps[2].data = b;
image->numcomps += 2;
r = image->comps[0].data;
for (i = 0U; i < max; ++i) {
*in++ = (unsigned short) * r++;
}
cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
r = image->comps[0].data;
g = image->comps[1].data;
b = image->comps[2].data;
for (i = 0; i < max; ++i) {
*r++ = (int) * out++;
*g++ = (int) * out++;
*b++ = (int) * out++;
}
r = g = b = NULL;
ok = 1;
fails3:
opj_image_data_free(inbuf);
opj_image_data_free(outbuf);
opj_image_data_free(g);
opj_image_data_free(b);
}
}/* if(image->numcomps > 2) */
cmsDeleteTransform(transform);
#ifdef OPJ_HAVE_LIBLCMS1
cmsCloseProfile(in_prof);
cmsCloseProfile(out_prof);
#endif
if (ok) {
image->color_space = new_space;
}
}/* color_apply_icc_profile() */
static int are_comps_same_dimensions(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) {
return OPJ_FALSE;
}
}
return OPJ_TRUE;
}
void color_cielab_to_rgb(opj_image_t *image)
{
int *row;
int enumcs, numcomps;
OPJ_COLOR_SPACE new_space;
numcomps = (int)image->numcomps;
if (numcomps != 3) {
fprintf(stderr, "%s:%d:\n\tnumcomps %d not handled. Quitting.\n",
__FILE__, __LINE__, numcomps);
return;
}
if (!are_comps_same_dimensions(image)) {
fprintf(stderr,
"%s:%d:\n\tcomponents are not all of the same dimension. Quitting.\n",
__FILE__, __LINE__);
return;
}
row = (int*)image->icc_profile_buf;
enumcs = row[0];
if (enumcs == 14) { /* CIELab */
int *L, *a, *b, *red, *green, *blue;
int *src0, *src1, *src2, *dst0, *dst1, *dst2;
double rl, ol, ra, oa, rb, ob, prec0, prec1, prec2;
double minL, maxL, mina, maxa, minb, maxb;
unsigned int default_type;
unsigned int i, max;
cmsHPROFILE in, out;
cmsHTRANSFORM transform;
cmsUInt16Number RGB[3];
cmsCIELab Lab;
in = cmsCreateLab4Profile(NULL);
if (in == NULL) {
return;
}
out = cmsCreate_sRGBProfile();
if (out == NULL) {
cmsCloseProfile(in);
return;
}
transform = cmsCreateTransform(in, TYPE_Lab_DBL, out, TYPE_RGB_16,
INTENT_PERCEPTUAL, 0);
#ifdef OPJ_HAVE_LIBLCMS2
cmsCloseProfile(in);
cmsCloseProfile(out);
#endif
if (transform == NULL) {
#ifdef OPJ_HAVE_LIBLCMS1
cmsCloseProfile(in);
cmsCloseProfile(out);
#endif
return;
}
new_space = OPJ_CLRSPC_SRGB;
prec0 = (double)image->comps[0].prec;
prec1 = (double)image->comps[1].prec;
prec2 = (double)image->comps[2].prec;
default_type = (unsigned int)row[1];
if (default_type == 0x44454600) { /* DEF : default */
rl = 100;
ra = 170;
rb = 200;
ol = 0;
oa = pow(2, prec1 - 1);
ob = pow(2, prec2 - 2) + pow(2, prec2 - 3);
} else {
rl = row[2];
ra = row[4];
rb = row[6];
ol = row[3];
oa = row[5];
ob = row[7];
}
L = src0 = image->comps[0].data;
a = src1 = image->comps[1].data;
b = src2 = image->comps[2].data;
max = image->comps[0].w * image->comps[0].h;
red = dst0 = (int*)opj_image_data_alloc(max * sizeof(int));
green = dst1 = (int*)opj_image_data_alloc(max * sizeof(int));
blue = dst2 = (int*)opj_image_data_alloc(max * sizeof(int));
if (red == NULL || green == NULL || blue == NULL) {
goto fails;
}
minL = -(rl * ol) / (pow(2, prec0) - 1);
maxL = minL + rl;
mina = -(ra * oa) / (pow(2, prec1) - 1);
maxa = mina + ra;
minb = -(rb * ob) / (pow(2, prec2) - 1);
maxb = minb + rb;
for (i = 0; i < max; ++i) {
Lab.L = minL + (double)(*L) * (maxL - minL) / (pow(2, prec0) - 1);
++L;
Lab.a = mina + (double)(*a) * (maxa - mina) / (pow(2, prec1) - 1);
++a;
Lab.b = minb + (double)(*b) * (maxb - minb) / (pow(2, prec2) - 1);
++b;
cmsDoTransform(transform, &Lab, RGB, 1);
*red++ = RGB[0];
*green++ = RGB[1];
*blue++ = RGB[2];
}
cmsDeleteTransform(transform);
#ifdef OPJ_HAVE_LIBLCMS1
cmsCloseProfile(in);
cmsCloseProfile(out);
#endif
opj_image_data_free(src0);
image->comps[0].data = dst0;
opj_image_data_free(src1);
image->comps[1].data = dst1;
opj_image_data_free(src2);
image->comps[2].data = dst2;
image->color_space = new_space;
image->comps[0].prec = 16;
image->comps[1].prec = 16;
image->comps[2].prec = 16;
return;
fails:
cmsDeleteTransform(transform);
#ifdef OPJ_HAVE_LIBLCMS1
cmsCloseProfile(in);
cmsCloseProfile(out);
#endif
if (red) {
opj_image_data_free(red);
}
if (green) {
opj_image_data_free(green);
}
if (blue) {
opj_image_data_free(blue);
}
return;
}
fprintf(stderr, "%s:%d:\n\tenumCS %d not handled. Ignoring.\n", __FILE__,
__LINE__, enumcs);
}/* color_cielab_to_rgb() */
#endif /* OPJ_HAVE_LIBLCMS2 || OPJ_HAVE_LIBLCMS1 */
void color_cmyk_to_rgb(opj_image_t *image)
{
float C, M, Y, K;
float sC, sM, sY, sK;
unsigned int w, h, max, i;
w = image->comps[0].w;
h = image->comps[0].h;
if (
(image->numcomps < 4)
|| (image->comps[0].dx != image->comps[1].dx) ||
(image->comps[0].dx != image->comps[2].dx) ||
(image->comps[0].dx != image->comps[3].dx)
|| (image->comps[0].dy != image->comps[1].dy) ||
(image->comps[0].dy != image->comps[2].dy) ||
(image->comps[0].dy != image->comps[3].dy)
) {
fprintf(stderr, "%s:%d:color_cmyk_to_rgb\n\tCAN NOT CONVERT\n", __FILE__,
__LINE__);
return;
}
max = w * h;
sC = 1.0F / (float)((1 << image->comps[0].prec) - 1);
sM = 1.0F / (float)((1 << image->comps[1].prec) - 1);
sY = 1.0F / (float)((1 << image->comps[2].prec) - 1);
sK = 1.0F / (float)((1 << image->comps[3].prec) - 1);
for (i = 0; i < max; ++i) {
/* CMYK values from 0 to 1 */
C = (float)(image->comps[0].data[i]) * sC;
M = (float)(image->comps[1].data[i]) * sM;
Y = (float)(image->comps[2].data[i]) * sY;
K = (float)(image->comps[3].data[i]) * sK;
/* Invert all CMYK values */
C = 1.0F - C;
M = 1.0F - M;
Y = 1.0F - Y;
K = 1.0F - K;
/* CMYK -> RGB : RGB results from 0 to 255 */
image->comps[0].data[i] = (int)(255.0F * C * K); /* R */
image->comps[1].data[i] = (int)(255.0F * M * K); /* G */
image->comps[2].data[i] = (int)(255.0F * Y * K); /* B */
}
opj_image_data_free(image->comps[3].data);
image->comps[3].data = NULL;
image->comps[0].prec = 8;
image->comps[1].prec = 8;
image->comps[2].prec = 8;
image->numcomps -= 1;
image->color_space = OPJ_CLRSPC_SRGB;
for (i = 3; i < image->numcomps; ++i) {
memcpy(&(image->comps[i]), &(image->comps[i + 1]), sizeof(image->comps[i]));
}
}/* color_cmyk_to_rgb() */
/*
* This code has been adopted from sjpx_openjpeg.c of ghostscript
*/
void color_esycc_to_rgb(opj_image_t *image)
{
int y, cb, cr, sign1, sign2, val;
unsigned int w, h, max, i;
int flip_value = (1 << (image->comps[0].prec - 1));
int max_value = (1 << image->comps[0].prec) - 1;
if (
(image->numcomps < 3)
|| (image->comps[0].dx != image->comps[1].dx) ||
(image->comps[0].dx != image->comps[2].dx)
|| (image->comps[0].dy != image->comps[1].dy) ||
(image->comps[0].dy != image->comps[2].dy)
) {
fprintf(stderr, "%s:%d:color_esycc_to_rgb\n\tCAN NOT CONVERT\n", __FILE__,
__LINE__);
return;
}
w = image->comps[0].w;
h = image->comps[0].h;
sign1 = (int)image->comps[1].sgnd;
sign2 = (int)image->comps[2].sgnd;
max = w * h;
for (i = 0; i < max; ++i) {
y = image->comps[0].data[i];
cb = image->comps[1].data[i];
cr = image->comps[2].data[i];
if (!sign1) {
cb -= flip_value;
}
if (!sign2) {
cr -= flip_value;
}
val = (int)
((float)y - (float)0.0000368 * (float)cb
+ (float)1.40199 * (float)cr + (float)0.5);
if (val > max_value) {
val = max_value;
} else if (val < 0) {
val = 0;
}
image->comps[0].data[i] = val;
val = (int)
((float)1.0003 * (float)y - (float)0.344125 * (float)cb
- (float)0.7141128 * (float)cr + (float)0.5);
if (val > max_value) {
val = max_value;
} else if (val < 0) {
val = 0;
}
image->comps[1].data[i] = val;
val = (int)
((float)0.999823 * (float)y + (float)1.77204 * (float)cb
- (float)0.000008 * (float)cr + (float)0.5);
if (val > max_value) {
val = max_value;
} else if (val < 0) {
val = 0;
}
image->comps[2].data[i] = val;
}
image->color_space = OPJ_CLRSPC_SRGB;
}/* color_esycc_to_rgb() */
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