1182 lines
26 KiB
C++
1182 lines
26 KiB
C++
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#include <config.h>
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/*
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* Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
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* Copyright (c) 2002-2007, Professor Benoit Macq
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* Copyright (c) 2001-2003, David Janssens
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* Copyright (c) 2002-2003, Yannick Verschueren
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* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
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* Copyright (c) 2005, Herve Drolon, FreeImage Team
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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#include "openjpeg.h"
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#include "opj_apps_config.h"
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#ifdef OPJ_HAVE_LIBLCMS2
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#include <lcms2.h>
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#endif
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#ifdef OPJ_HAVE_LIBLCMS1
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#include <lcms.h>
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#endif
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#include "viewerdefs.hh"
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#include "color.hh"
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//#define DEBUG_SYCC
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/*--------------------------------------------------------
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Matrix f<EFBFBD>r sYCC, Amendment 1 to IEC 61966-2-1
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Y : 0.299 0.587 0.114 :R
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Cb: -0.1687 -0.3312 0.5 :G
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Cr: 0.5 -0.4187 -0.0812 :B
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Inverse:
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R: 1 -3.68213e-05 1.40199 :Y
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G: 1.00003 -0.344125 -0.714128 :Cb - 2^(prec - 1)
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B: 0.999823 1.77204 -8.04142e-06 :Cr - 2^(prec - 1)
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-----------------------------------------------------------*/
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static void sycc_to_rgb(int offset, int upb, int y, int cb, int cr,
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int *out_r, int *out_g, int *out_b)
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{
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int r, g, b;
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cb -= offset; cr -= offset;
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r = y + (int)((float)1.402 * (float)cr);
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if(r < 0) r = 0; else if(r > upb) r = upb;
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*out_r = r;
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g = y - (int)((float)0.344 * (float)cb + (float)0.714 * (float)cr);
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if(g < 0) g = 0; else if(g > upb) g = upb;
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*out_g = g;
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b = y + (int)((float)1.772 * (float)cb);
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if(b < 0) b = 0; else if(b > upb) b = upb;
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*out_b = b;
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}
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static void sycc444_to_rgb(opj_image_t *image, ImageInfo *dst)
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{
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int *r, *g, *b;
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const int *y, *cb, *cr;
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int maxw, maxh, max, i, offset, upb;
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size_t imax;
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i = image->comps[0].prec;
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offset = 1<<(i - 1); upb = (1<<i)-1;
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maxw = image->comps[0].w; maxh = image->comps[0].h;
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max = maxw * maxh;
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imax = max * sizeof(int);
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r = (int*)malloc(imax);
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g = (int*)malloc(imax);
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b = (int*)malloc(imax);
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if(r == NULL || g == NULL || b == NULL)
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{
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goto fails;
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}
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dst->red = r;
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dst->green = g;
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dst->blue = b;
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y = image->comps[0].data;
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cb = image->comps[1].data;
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cr = image->comps[2].data;
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for(i = 0; i < max; ++i)
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{
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sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
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++y; ++cb; ++cr; ++r; ++g; ++b;
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}
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dst->free_red = 1;
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dst->free_green = 1;
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dst->free_blue = 1;
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dst->numcomps = 3;
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dst->color_space = OPJ_CLRSPC_SRGB;
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dst->dx[1] = dst->dx[0];
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dst->dx[2] = dst->dx[0];
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dst->dy[1] = dst->dy[0];
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dst->dy[2] = dst->dy[0];
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dst->prec[1] = dst->prec[0];
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dst->prec[2] = dst->prec[0];
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return;
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fails:
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if(r) free(r);
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if(g) free(g);
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fprintf(stderr,"color.cxx:%d:\n\tmemory out\n",__LINE__);
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}// sycc444_to_rgb()
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static void sycc422_to_rgb(opj_image_t *image, ImageInfo *dst)
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{
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int *r, *g, *b;
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const int *y, *cb, *cr;
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int maxw, maxh, max, offset, upb;
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int i, j;
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size_t imax;
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i = image->comps[0].prec;
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offset = 1<<(i - 1); upb = (1<<i)-1;
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maxw = image->comps[0].w;
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maxh = image->comps[0].h;
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max = maxw * maxh;
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imax = max *sizeof(int);
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r = (int*)malloc(imax);
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g = (int*)malloc(imax);
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b = (int*)malloc(imax);
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if(r == NULL || g == NULL || b == NULL)
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{
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goto fails;
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}
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dst->red = r;
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dst->green = g;
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dst->blue = b;
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y = image->comps[0].data;
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cb = image->comps[1].data;
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cr = image->comps[2].data;
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for(i = 0; i < maxh; ++i)
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{
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for(j = 0; j < (maxw & ~1); j += 2)
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{
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sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
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++y; ++r; ++g; ++b;
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sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
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++y; ++r; ++g; ++b; ++cb; ++cr;
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}
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if(j < maxw)
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{
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sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
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++y; ++r; ++g; ++b; ++cb; ++cr;
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}
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}
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dst->free_red = 1;
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dst->free_green = 1;
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dst->free_blue = 1;
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dst->color_space = OPJ_CLRSPC_SRGB;
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dst->numcomps = 3;
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dst->dx[1] = dst->dx[0];
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dst->dx[2] = dst->dx[0];
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dst->dy[1] = dst->dy[0];
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dst->dy[2] = dst->dy[0];
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dst->prec[1] = dst->prec[0];
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dst->prec[2] = dst->prec[0];
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image->color_space = OPJ_CLRSPC_SRGB;
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image->comps[1].w = maxw; image->comps[1].h = maxh;
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image->comps[2].w = maxw; image->comps[2].h = maxh;
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image->comps[1].dx = image->comps[0].dx;
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image->comps[2].dx = image->comps[0].dx;
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image->comps[1].dy = image->comps[0].dy;
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image->comps[2].dy = image->comps[0].dy;
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return;
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fails:
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if(r) free(r);
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if(g) free(g);
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fprintf(stderr,"color.cxx:%d:\n\tmemory out\n",__LINE__);
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}// sycc422_to_rgb()
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static void sycc420_to_rgb(opj_image_t *image, ImageInfo *dst)
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{
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int *R, *G, *B, *nr, *ng, *nb;
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const int *y, *cb, *cr, *ny;
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int maxw, maxh, max, offset, upb;
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int i, j;
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size_t imax;
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|
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i = image->comps[0].prec;
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offset = 1<<(i - 1); upb = (1<<i)-1;
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|
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maxw = image->comps[0].w; maxh = image->comps[0].h;
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max = maxw * maxh;
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imax = sizeof(int) * max;
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|
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R = (int*)malloc(imax);
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G = (int*)malloc(imax);
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B = (int*)malloc(imax);
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if(R == NULL || G == NULL || B == NULL)
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{
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goto fails;
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}
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dst->red = R;
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dst->green = G;
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dst->blue = B;
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y = image->comps[0].data;
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cb = image->comps[1].data;
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cr = image->comps[2].data;
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|
|
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for(i=0; i < (maxh & ~1); i += 2)
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{
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ny = y + maxw;
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nr = R + maxw; ng = G + maxw; nb = B + maxw;
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|
|
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for(j=0; j < (maxw & ~1); j += 2)
|
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{
|
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sycc_to_rgb(offset, upb, *y, *cb, *cr, R, G, B);
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|
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++y; ++R; ++G; ++B;
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|
|
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sycc_to_rgb(offset, upb, *y, *cb, *cr, R, G, B);
|
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|
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++y; ++R; ++G; ++B;
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|
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sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
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|
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++ny; ++nr; ++ng; ++nb;
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|
|
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sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
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|
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++ny; ++nr; ++ng; ++nb; ++cb; ++cr;
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}
|
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|
|
|||
|
if(j < maxw)
|
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|
{
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|
sycc_to_rgb(offset, upb, *y, *cb, *cr, R, G, B);
|
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|
|
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++y; ++R; ++G; ++B;
|
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|
|
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|
sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
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|
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++ny; ++nr; ++ng; ++nb; ++cb; ++cr;
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}
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|
|
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y += maxw; R += maxw; G += maxw; B += maxw;
|
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|
}
|
|||
|
|
|||
|
if(i < maxh)
|
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|
{
|
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|
for(j = 0; j < (maxw & ~1); j += 2)
|
|||
|
{
|
|||
|
sycc_to_rgb(offset, upb, *y, *cb, *cr, R, G, B);
|
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|
|
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|
++y; ++R; ++G; ++B;
|
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|
|
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|
sycc_to_rgb(offset, upb, *y, *cb, *cr, R, G, B);
|
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|
|
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|
++y; ++R; ++G; ++B; ++cb; ++cr;
|
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|
}
|
|||
|
if(j < maxw)
|
|||
|
{
|
|||
|
sycc_to_rgb(offset, upb, *y, *cb, *cr, R, G, B);
|
|||
|
}
|
|||
|
}
|
|||
|
dst->free_red = 1;
|
|||
|
dst->free_green = 1;
|
|||
|
dst->free_blue = 1;
|
|||
|
dst->numcomps = 3;
|
|||
|
dst->color_space = OPJ_CLRSPC_SRGB;
|
|||
|
|
|||
|
dst->dx[1] = dst->dx[0];
|
|||
|
dst->dx[2] = dst->dx[0];
|
|||
|
|
|||
|
dst->dy[1] = dst->dy[0];
|
|||
|
dst->dy[2] = dst->dy[0];
|
|||
|
|
|||
|
dst->prec[1] = dst->prec[0];
|
|||
|
dst->prec[2] = dst->prec[0];
|
|||
|
|
|||
|
image->color_space = OPJ_CLRSPC_SRGB;
|
|||
|
image->comps[1].w = maxw; image->comps[1].h = maxh;
|
|||
|
image->comps[2].w = maxw; image->comps[2].h = maxh;
|
|||
|
image->comps[1].dx = image->comps[0].dx;
|
|||
|
image->comps[2].dx = image->comps[0].dx;
|
|||
|
image->comps[1].dy = image->comps[0].dy;
|
|||
|
image->comps[2].dy = image->comps[0].dy;
|
|||
|
return;
|
|||
|
|
|||
|
fails:
|
|||
|
if(R) free(R);
|
|||
|
if(G) free(G);
|
|||
|
fprintf(stderr,"color.cxx:%d:\n\tmemory out\n",__LINE__);
|
|||
|
}// sycc420_to_rgb()
|
|||
|
|
|||
|
void COLOR_sycc_to_rgb(opj_image_t *image, ImageInfo *dst)
|
|||
|
{
|
|||
|
|
|||
|
if(image->numcomps < 3)
|
|||
|
{
|
|||
|
image->color_space = OPJ_CLRSPC_GRAY;
|
|||
|
dst->color_space = OPJ_CLRSPC_GRAY;
|
|||
|
dst->numcomps = image->numcomps;
|
|||
|
|
|||
|
return;
|
|||
|
}
|
|||
|
|
|||
|
if((image->comps[0].dx == 1)
|
|||
|
&& (image->comps[1].dx == 2)
|
|||
|
&& (image->comps[2].dx == 2)
|
|||
|
&& (image->comps[0].dy == 1)
|
|||
|
&& (image->comps[1].dy == 2)
|
|||
|
&& (image->comps[2].dy == 2))// horizontal and vertical sub-sample
|
|||
|
{
|
|||
|
sycc420_to_rgb(image, dst);
|
|||
|
return;
|
|||
|
}
|
|||
|
|
|||
|
if((image->comps[0].dx == 1)
|
|||
|
&& (image->comps[1].dx == 2)
|
|||
|
&& (image->comps[2].dx == 2)
|
|||
|
&& (image->comps[0].dy == 1)
|
|||
|
&& (image->comps[1].dy == 1)
|
|||
|
&& (image->comps[2].dy == 1))// horizontal sub-sample only
|
|||
|
{
|
|||
|
sycc422_to_rgb(image, dst);
|
|||
|
return;
|
|||
|
}
|
|||
|
|
|||
|
if((image->comps[0].dx == 1)
|
|||
|
&& (image->comps[1].dx == 1)
|
|||
|
&& (image->comps[2].dx == 1)
|
|||
|
&& (image->comps[0].dy == 1)
|
|||
|
&& (image->comps[1].dy == 1)
|
|||
|
&& (image->comps[2].dy == 1))// no sub-sample
|
|||
|
{
|
|||
|
sycc444_to_rgb(image, dst);
|
|||
|
return;
|
|||
|
}
|
|||
|
|
|||
|
if((image->comps[0].dx == 4)
|
|||
|
&& (image->comps[1].dx == 4)
|
|||
|
&& (image->comps[2].dx == 4)
|
|||
|
&& (image->comps[0].dy == 4)
|
|||
|
&& (image->comps[1].dy == 4)
|
|||
|
&& (image->comps[2].dy == 4))
|
|||
|
{
|
|||
|
// OK
|
|||
|
fprintf(stderr,"%s:%d:COLOR_sycc_to_rgb\n\tNO COVERSION\n",
|
|||
|
__FILE__,__LINE__);
|
|||
|
fprintf(stderr,"\tcomponents(%d) dx(%d,%d,%d) dy(%d,%d,%d)\n",
|
|||
|
image->numcomps,
|
|||
|
image->comps[0].dx,image->comps[1].dx,image->comps[2].dx,
|
|||
|
image->comps[0].dy,image->comps[1].dy,image->comps[2].dy);
|
|||
|
|
|||
|
return;
|
|||
|
}
|
|||
|
fprintf(stderr,"%s:%d:COLOR_sycc_to_rgb\n\tCAN NOT CONVERT\n",
|
|||
|
__FILE__,__LINE__);
|
|||
|
fprintf(stderr,"\tcomponents(%d) dx(%d,%d,%d) dy(%d,%d,%d)\n",
|
|||
|
image->numcomps,
|
|||
|
image->comps[0].dx,image->comps[1].dx,image->comps[2].dx,
|
|||
|
image->comps[0].dy,image->comps[1].dy,image->comps[2].dy);
|
|||
|
|
|||
|
|
|||
|
}// 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 cmsUInt16Number WORD
|
|||
|
|
|||
|
#define cmsColorSpaceSignature icColorSpaceSignature
|
|||
|
#define cmsGetHeaderRenderingIntent cmsTakeRenderingIntent
|
|||
|
|
|||
|
#endif // OPJ_HAVE_LIBLCMS1
|
|||
|
|
|||
|
//#define DEBUG_PROFILE
|
|||
|
|
|||
|
void COLOR_apply_icc_profile(opj_image_t *image, ImageInfo *dst)
|
|||
|
{
|
|||
|
cmsHPROFILE in_prof, out_prof;
|
|||
|
cmsHTRANSFORM transform;
|
|||
|
cmsColorSpaceSignature out_space;
|
|||
|
cmsUInt32Number intent, in_type, out_type;
|
|||
|
size_t nr_samples;
|
|||
|
int *r, *g, *b;
|
|||
|
unsigned int prec, i, max, max_w, max_h, dmax, has_alpha2 = 0, ok = 0;
|
|||
|
OPJ_COLOR_SPACE oldspace;
|
|||
|
|
|||
|
#ifdef DEBUG_PROFILE
|
|||
|
{
|
|||
|
FILE *writer = fopen("debug.icm","wb");
|
|||
|
fwrite(image->icc_profile_buf, 1, image->icc_profile_len, writer);
|
|||
|
fclose(writer);
|
|||
|
}
|
|||
|
#endif
|
|||
|
|
|||
|
in_prof =
|
|||
|
cmsOpenProfileFromMem(image->icc_profile_buf,
|
|||
|
image->icc_profile_len);
|
|||
|
|
|||
|
if(in_prof == NULL) return ;
|
|||
|
|
|||
|
(void)cmsGetPCS(in_prof);
|
|||
|
out_space = cmsGetColorSpace(in_prof);
|
|||
|
intent = cmsGetHeaderRenderingIntent(in_prof);
|
|||
|
|
|||
|
prec = image->comps[0].prec;
|
|||
|
|
|||
|
oldspace = image->color_space;
|
|||
|
|
|||
|
if(out_space == cmsSigRgbData) // enumCS 16
|
|||
|
{
|
|||
|
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();
|
|||
|
image->color_space = OPJ_CLRSPC_SRGB;
|
|||
|
}
|
|||
|
else
|
|||
|
if(out_space == cmsSigGrayData) // enumCS 17
|
|||
|
{
|
|||
|
if( prec <= 8 )
|
|||
|
{
|
|||
|
in_type = TYPE_GRAY_8;
|
|||
|
out_type = TYPE_RGB_8;
|
|||
|
}
|
|||
|
else //prec > 8
|
|||
|
{
|
|||
|
in_type = TYPE_GRAY_16;
|
|||
|
out_type = TYPE_RGB_16;
|
|||
|
}
|
|||
|
out_prof = cmsCreate_sRGBProfile();
|
|||
|
image->color_space = OPJ_CLRSPC_SRGB;
|
|||
|
}
|
|||
|
else
|
|||
|
if(out_space == cmsSigYCbCrData) // enumCS 18
|
|||
|
{
|
|||
|
fprintf(stderr,"\n%s:%d:\n\tout_space == cmsSigYCbCrData NOT HANDLED\n\n",
|
|||
|
__FILE__,__LINE__);
|
|||
|
cmsCloseProfile(in_prof);
|
|||
|
return ;
|
|||
|
#ifdef HIDDEN_CODE
|
|||
|
|
|||
|
in_type = TYPE_YCbCr_16;
|
|||
|
out_type = TYPE_RGB_16;
|
|||
|
out_prof = cmsCreate_sRGBProfile();
|
|||
|
image->color_space = OPJ_CLRSPC_SRGB;
|
|||
|
|
|||
|
#endif //HIDDEN_CODE
|
|||
|
}
|
|||
|
else
|
|||
|
{
|
|||
|
cmsCloseProfile(in_prof);
|
|||
|
return;
|
|||
|
}
|
|||
|
|
|||
|
if(out_prof == NULL)
|
|||
|
{
|
|||
|
image->color_space = oldspace;
|
|||
|
cmsCloseProfile(in_prof);
|
|||
|
return;
|
|||
|
}
|
|||
|
|
|||
|
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)
|
|||
|
{
|
|||
|
image->color_space = oldspace;
|
|||
|
#ifdef OPJ_HAVE_LIBLCMS1
|
|||
|
cmsCloseProfile(in_prof);
|
|||
|
cmsCloseProfile(out_prof);
|
|||
|
#endif
|
|||
|
return ;
|
|||
|
}
|
|||
|
max_w = image->comps[0].w;
|
|||
|
max_h = image->comps[0].h;
|
|||
|
|
|||
|
max = max_w * max_h;
|
|||
|
dmax = max * sizeof(int);
|
|||
|
|
|||
|
if(image->numcomps > 2)// RGB, RGBA
|
|||
|
{
|
|||
|
if( prec <= 8 )
|
|||
|
{
|
|||
|
unsigned char *inbuf, *outbuf, *in, *out;
|
|||
|
|
|||
|
nr_samples =
|
|||
|
(cmsUInt32Number)max * 3 * (cmsUInt32Number)sizeof(unsigned char);
|
|||
|
|
|||
|
// max = max_w * max_h; dmax = max * sizeof(int);
|
|||
|
in = inbuf = (unsigned char*)malloc(nr_samples);
|
|||
|
out = outbuf = (unsigned char*)malloc(nr_samples);
|
|||
|
r = (int*)malloc(dmax);
|
|||
|
g = (int*)malloc(dmax);
|
|||
|
b = (int*)malloc(dmax);
|
|||
|
|
|||
|
if(inbuf == NULL || outbuf == NULL || r == NULL || g == NULL || b == NULL)
|
|||
|
{
|
|||
|
goto fails;
|
|||
|
}
|
|||
|
dst->red = r;
|
|||
|
dst->green = g;
|
|||
|
dst->blue = b;
|
|||
|
|
|||
|
r = image->comps[0].data;
|
|||
|
g = image->comps[1].data;
|
|||
|
b = image->comps[2].data;
|
|||
|
|
|||
|
for(i = 0; i < max; ++i)
|
|||
|
{
|
|||
|
*in++ = (unsigned char)*r++;
|
|||
|
*in++ = (unsigned char)*g++;
|
|||
|
*in++ = (unsigned char)*b++;
|
|||
|
}
|
|||
|
cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
|
|||
|
|
|||
|
r = dst->red;
|
|||
|
g = dst->green;
|
|||
|
b = dst->blue;
|
|||
|
|
|||
|
dst->free_red = 1;
|
|||
|
dst->free_green = 1;
|
|||
|
dst->free_blue = 1;
|
|||
|
dst->numcomps = 3;
|
|||
|
dst->color_space = OPJ_CLRSPC_SRGB;
|
|||
|
|
|||
|
for(i = 0; i < max; ++i)
|
|||
|
{
|
|||
|
*r++ = (int)*out++;
|
|||
|
*g++ = (int)*out++;
|
|||
|
*b++ = (int)*out++;
|
|||
|
}
|
|||
|
ok = 1;
|
|||
|
|
|||
|
fails:
|
|||
|
if(inbuf) free(inbuf);
|
|||
|
if(outbuf) free(outbuf);
|
|||
|
|
|||
|
if(ok == 0)
|
|||
|
{
|
|||
|
if(r) free(r);
|
|||
|
if(g) free(g);
|
|||
|
fprintf(stderr,"color.cxx:%d:\n\tmemory out\n",__LINE__);
|
|||
|
}
|
|||
|
}
|
|||
|
else //prec > 8
|
|||
|
{
|
|||
|
unsigned short *inbuf, *outbuf, *in, *out;
|
|||
|
|
|||
|
nr_samples = max * 3 * sizeof(unsigned short);
|
|||
|
|
|||
|
// max = max_w * max_h; dmax = max * sizeof(int);
|
|||
|
in = inbuf = (unsigned short*)malloc(nr_samples);
|
|||
|
out = outbuf = (unsigned short*)malloc(nr_samples);
|
|||
|
r = (int*)malloc(dmax);
|
|||
|
g = (int*)malloc(dmax);
|
|||
|
b = (int*)malloc(dmax);
|
|||
|
|
|||
|
if(inbuf == NULL || outbuf == NULL || r == NULL || g == NULL || b == NULL)
|
|||
|
{
|
|||
|
goto fails1;
|
|||
|
}
|
|||
|
dst->red = r;
|
|||
|
dst->green = g;
|
|||
|
dst->blue = b;
|
|||
|
|
|||
|
r = image->comps[0].data;
|
|||
|
g = image->comps[1].data;
|
|||
|
b = image->comps[2].data;
|
|||
|
|
|||
|
for(i = 0; i < max; ++i)
|
|||
|
{
|
|||
|
*in++ = (unsigned short)*r++;
|
|||
|
*in++ = (unsigned short)*g++;
|
|||
|
*in++ = (unsigned short)*b++;
|
|||
|
}
|
|||
|
cmsDoTransform(transform, inbuf, outbuf, max);
|
|||
|
|
|||
|
r = dst->red;
|
|||
|
g = dst->green;
|
|||
|
b = dst->blue;
|
|||
|
|
|||
|
dst->free_red = 1;
|
|||
|
dst->free_green = 1;
|
|||
|
dst->free_blue = 1;
|
|||
|
dst->numcomps = 3;
|
|||
|
dst->color_space = OPJ_CLRSPC_SRGB;
|
|||
|
|
|||
|
for(i = 0; i < max; ++i)
|
|||
|
{
|
|||
|
*r++ = (int)*out++;
|
|||
|
*g++ = (int)*out++;
|
|||
|
*b++ = (int)*out++;
|
|||
|
}
|
|||
|
ok = 1;
|
|||
|
|
|||
|
fails1:
|
|||
|
if(inbuf) free(inbuf);
|
|||
|
if(outbuf) free(outbuf);
|
|||
|
|
|||
|
if(ok == 0)
|
|||
|
{
|
|||
|
if(r) free(r);
|
|||
|
if(g) free(g);
|
|||
|
fprintf(stderr,"color.cxx:%d:\n\tmemory out\n",__LINE__);
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
else // image->numcomps <= 2 : GRAY -> RGB, GRAYA -> RGBA
|
|||
|
{
|
|||
|
has_alpha2 = (image->numcomps == 2);
|
|||
|
|
|||
|
if(prec <= 8)
|
|||
|
{
|
|||
|
unsigned char *in, *inbuf, *out, *outbuf;
|
|||
|
|
|||
|
nr_samples = max * 3 * sizeof(unsigned char);
|
|||
|
|
|||
|
// max = max_w * max_h; dmax = max * sizeof(int);
|
|||
|
in = inbuf = (unsigned char*)malloc(nr_samples);
|
|||
|
out = outbuf = (unsigned char*)malloc(nr_samples);
|
|||
|
r = (int*)calloc((size_t)max, sizeof(int));
|
|||
|
g = (int*)calloc((size_t)max, sizeof(int));
|
|||
|
b = (int*)calloc((size_t)max, sizeof(int));
|
|||
|
|
|||
|
if(inbuf == NULL || outbuf == NULL || r == NULL || g == NULL || b == NULL)
|
|||
|
{
|
|||
|
goto fails2;
|
|||
|
}
|
|||
|
dst->red = r;
|
|||
|
dst->green = g;
|
|||
|
dst->blue = b;
|
|||
|
|
|||
|
r = image->comps[0].data;
|
|||
|
|
|||
|
if(has_alpha2)
|
|||
|
{
|
|||
|
dst->alpha = image->comps[1].data;
|
|||
|
dst->prec[3] = image->comps[1].prec;
|
|||
|
dst->sgnd[3] = image->comps[1].sgnd;
|
|||
|
dst->has_alpha = 1;
|
|||
|
}
|
|||
|
|
|||
|
for(i = 0; i < max; ++i)
|
|||
|
{
|
|||
|
*in++ = (unsigned char)*r++;
|
|||
|
}
|
|||
|
cmsDoTransform(transform, inbuf, outbuf, max);
|
|||
|
|
|||
|
r = dst->red;
|
|||
|
g = dst->green;
|
|||
|
b = dst->blue;
|
|||
|
|
|||
|
dst->free_red = 1;
|
|||
|
dst->free_green = 1;
|
|||
|
dst->free_blue = 1;
|
|||
|
dst->numcomps = 3 + has_alpha2;
|
|||
|
dst->color_space = OPJ_CLRSPC_SRGB;
|
|||
|
|
|||
|
for(i = 0; i < max; ++i)
|
|||
|
{
|
|||
|
*r++ = (int)*out++;
|
|||
|
*g++ = (int)*out++;
|
|||
|
*b++ = (int)*out++;
|
|||
|
}
|
|||
|
ok = 1;
|
|||
|
|
|||
|
fails2:
|
|||
|
if(inbuf) free(inbuf);
|
|||
|
if(outbuf) free(outbuf);
|
|||
|
|
|||
|
if(ok == 0)
|
|||
|
{
|
|||
|
if(r) free(r);
|
|||
|
if(g) free(g);
|
|||
|
fprintf(stderr,"color.cxx:%d:\n\tmemory out\n",__LINE__);
|
|||
|
}
|
|||
|
}
|
|||
|
else // prec > 8
|
|||
|
{
|
|||
|
unsigned short *inbuf, *outbuf, *in, *out;
|
|||
|
|
|||
|
nr_samples =
|
|||
|
(cmsUInt32Number)max * 3 * (cmsUInt32Number)sizeof(unsigned short);
|
|||
|
|
|||
|
// max = max_w * max_h; dmax = max * sizeof(int);
|
|||
|
in = inbuf = (unsigned short*)malloc(nr_samples);
|
|||
|
out = outbuf = (unsigned short*)malloc(nr_samples);
|
|||
|
r = (int*)malloc(dmax);
|
|||
|
g = (int*)malloc(dmax);
|
|||
|
b = (int*)malloc(dmax);
|
|||
|
|
|||
|
if(inbuf == NULL || outbuf == NULL || r == NULL || g == NULL || b == NULL)
|
|||
|
{
|
|||
|
goto fails3;
|
|||
|
}
|
|||
|
dst->red = r;
|
|||
|
dst->green = g;
|
|||
|
dst->blue = b;
|
|||
|
|
|||
|
r = image->comps[0].data;
|
|||
|
|
|||
|
if(has_alpha2)
|
|||
|
{
|
|||
|
dst->alpha = image->comps[1].data;
|
|||
|
dst->prec[3] = image->comps[1].prec;
|
|||
|
dst->sgnd[3] = image->comps[1].sgnd;
|
|||
|
dst->has_alpha = 1;
|
|||
|
}
|
|||
|
|
|||
|
for(i = 0; i < max; ++i)
|
|||
|
{
|
|||
|
*in++ = (unsigned short)*r++;
|
|||
|
}
|
|||
|
cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
|
|||
|
|
|||
|
r = dst->red;
|
|||
|
g = dst->green;
|
|||
|
b = dst->blue;
|
|||
|
|
|||
|
dst->free_red = 1;
|
|||
|
dst->free_green = 1;
|
|||
|
dst->free_blue = 1;
|
|||
|
dst->numcomps = 3 + has_alpha2;
|
|||
|
dst->color_space = OPJ_CLRSPC_SRGB;
|
|||
|
|
|||
|
for(i = 0; i < max; ++i)
|
|||
|
{
|
|||
|
*r++ = (int)*out++;
|
|||
|
*g++ = (int)*out++;
|
|||
|
*b++ = (int)*out++;
|
|||
|
}
|
|||
|
ok = 1;
|
|||
|
|
|||
|
fails3:
|
|||
|
if(inbuf) free(inbuf);
|
|||
|
if(outbuf) free(outbuf);
|
|||
|
|
|||
|
if(ok == 0)
|
|||
|
{
|
|||
|
if(r) free(r);
|
|||
|
if(g) free(g);
|
|||
|
fprintf(stderr,"color.c:%d:\n\tmemory out\n",__LINE__);
|
|||
|
}
|
|||
|
} //if(prec <= 8)
|
|||
|
|
|||
|
dst->dx[0] = image->comps[0].dx;
|
|||
|
dst->dy[0] = image->comps[0].dy;
|
|||
|
dst->prec[0] = image->comps[0].prec;
|
|||
|
dst->sgnd[0] = image->comps[0].sgnd;
|
|||
|
|
|||
|
dst->dx[1] = image->comps[0].dx;
|
|||
|
dst->dy[1] = image->comps[0].dy;
|
|||
|
dst->prec[1] = image->comps[0].prec;
|
|||
|
dst->sgnd[1] = image->comps[0].sgnd;
|
|||
|
|
|||
|
dst->dx[2] = image->comps[0].dx;
|
|||
|
dst->dy[2] = image->comps[0].dy;
|
|||
|
dst->prec[2] = image->comps[0].prec;
|
|||
|
dst->sgnd[2] = image->comps[0].sgnd;
|
|||
|
|
|||
|
if(has_alpha2 == 0)
|
|||
|
{
|
|||
|
dst->dx[3] = image->comps[0].dx;
|
|||
|
dst->dy[3] = image->comps[0].dy;
|
|||
|
dst->prec[3] = image->comps[0].prec;
|
|||
|
dst->sgnd[3] = image->comps[0].sgnd;
|
|||
|
}
|
|||
|
}// if(image->numcomps > 2)
|
|||
|
|
|||
|
cmsDeleteTransform(transform);
|
|||
|
|
|||
|
#ifdef OPJ_HAVE_LIBLCMS1
|
|||
|
cmsCloseProfile(in_prof);
|
|||
|
cmsCloseProfile(out_prof);
|
|||
|
#endif
|
|||
|
|
|||
|
}// COLOR_apply_icc_profile()
|
|||
|
|
|||
|
void COLOR_cielab_to_rgb(opj_image_t *image, ImageInfo *dst)
|
|||
|
{
|
|||
|
int *buf;
|
|||
|
int ok, enumcs;
|
|||
|
|
|||
|
image->color_space = OPJ_CLRSPC_SRGB;
|
|||
|
dst->color_space = OPJ_CLRSPC_SRGB;
|
|||
|
|
|||
|
if(dst->numcomps != 3)
|
|||
|
{
|
|||
|
fprintf(stderr,"%s:%d:\n\tnumcomps %u not handled. Quitting.\n",
|
|||
|
__FILE__,__LINE__,dst->numcomps);
|
|||
|
return;
|
|||
|
}
|
|||
|
|
|||
|
buf = (int*)image->icc_profile_buf;
|
|||
|
enumcs = buf[0];
|
|||
|
|
|||
|
ok = 0;
|
|||
|
if(enumcs == 14) // CIELab
|
|||
|
{
|
|||
|
int *row, *red, *green, *blue;;
|
|||
|
cmsHTRANSFORM transform;
|
|||
|
cmsHPROFILE in, out;
|
|||
|
int *L, *a, *b;
|
|||
|
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;
|
|||
|
cmsUInt16Number RGB[3];
|
|||
|
cmsCIELab Lab;
|
|||
|
|
|||
|
row = (int*)image->icc_profile_buf;
|
|||
|
in = cmsCreateLab4Profile(NULL);
|
|||
|
out = cmsCreate_sRGBProfile();
|
|||
|
|
|||
|
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;
|
|||
|
}
|
|||
|
max = image->comps[0].w * image->comps[0].h;
|
|||
|
|
|||
|
red = (int*)malloc(max * sizeof(int));
|
|||
|
green = (int*)malloc(max * sizeof(int));
|
|||
|
blue = (int*)malloc(max * sizeof(int));
|
|||
|
|
|||
|
if(red == NULL || green == NULL || blue == NULL)
|
|||
|
{
|
|||
|
goto fails;
|
|||
|
}
|
|||
|
dst->red = red;
|
|||
|
dst->green = green;
|
|||
|
dst->blue = blue;
|
|||
|
|
|||
|
prec0 = (double)image->comps[0].prec;
|
|||
|
prec1 = (double)image->comps[1].prec;
|
|||
|
prec2 = (double)image->comps[2].prec;
|
|||
|
|
|||
|
default_type = 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 = (double)row[2]; ra = (double)row[4]; rb = (double)row[6];
|
|||
|
ol = (double)row[3]; oa = (double)row[5]; ob = (double)row[7];
|
|||
|
}
|
|||
|
L = image->comps[0].data;
|
|||
|
a = image->comps[1].data;
|
|||
|
b = image->comps[2].data;
|
|||
|
|
|||
|
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];
|
|||
|
}
|
|||
|
dst->free_red = 1;
|
|||
|
dst->free_green = 1;
|
|||
|
dst->free_blue = 1;
|
|||
|
dst->numcomps = 3;
|
|||
|
dst->color_space = OPJ_CLRSPC_SRGB;
|
|||
|
dst->prec[0] = 16;
|
|||
|
dst->prec[1] = 16;
|
|||
|
dst->prec[2] = 16;
|
|||
|
|
|||
|
dst->alpha = NULL;
|
|||
|
dst->has_alpha = 0;
|
|||
|
|
|||
|
image->color_space = OPJ_CLRSPC_SRGB;
|
|||
|
image->comps[0].prec = 16;
|
|||
|
image->comps[1].prec = 16;
|
|||
|
image->comps[2].prec = 16;
|
|||
|
ok = 1;
|
|||
|
|
|||
|
fails:
|
|||
|
cmsDeleteTransform(transform);
|
|||
|
#ifdef OPJ_HAVE_LIBLCMS1
|
|||
|
cmsCloseProfile(in);
|
|||
|
cmsCloseProfile(out);
|
|||
|
#endif
|
|||
|
|
|||
|
if(ok) return;
|
|||
|
|
|||
|
if(red) free(red);
|
|||
|
if(green) free(green);
|
|||
|
}
|
|||
|
|
|||
|
}// COLOR_cielab_to_rgb()
|
|||
|
|
|||
|
#endif // OPJ_HAVE_LIBLCMS2 || OPJ_HAVE_LIBLCMS1
|
|||
|
|
|||
|
void COLOR_cmyk_to_rgb(opj_image_t *image, ImageInfo *dst)
|
|||
|
{
|
|||
|
int *R, *G, *B;
|
|||
|
int *sc, *sm, *sy, *sk;
|
|||
|
float C, M, Y, K;
|
|||
|
unsigned int w, h, max, prec, len, i;
|
|||
|
|
|||
|
prec = image->comps[0].prec;
|
|||
|
|
|||
|
if(prec != 8) return;
|
|||
|
if(image->numcomps != 4) return;
|
|||
|
|
|||
|
w = image->comps[0].w;
|
|||
|
h = image->comps[0].h;
|
|||
|
max = w * h;
|
|||
|
len = max * sizeof(int);
|
|||
|
|
|||
|
R = (int*)malloc(len);
|
|||
|
G = (int*)malloc(len);
|
|||
|
B = (int*)malloc(len);
|
|||
|
|
|||
|
if(R == NULL || G == NULL || B == NULL)
|
|||
|
{
|
|||
|
goto fails;
|
|||
|
}
|
|||
|
dst->red = R;
|
|||
|
dst->green = G;
|
|||
|
dst->blue = B;
|
|||
|
|
|||
|
sc = image->comps[0].data;
|
|||
|
sm = image->comps[1].data;
|
|||
|
sy = image->comps[2].data;
|
|||
|
sk = image->comps[3].data;
|
|||
|
|
|||
|
for(i = 0; i < max; ++i)
|
|||
|
{
|
|||
|
// CMYK and CMY values from 0 to 1
|
|||
|
//
|
|||
|
C = (float)(*sc++)/(float)255.;
|
|||
|
M = (float)(*sm++)/(float)255;
|
|||
|
Y = (float)(*sy++)/(float)255;
|
|||
|
K = (float)(*sk++)/(float)255;
|
|||
|
|
|||
|
// CMYK -> CMY
|
|||
|
//
|
|||
|
C = ( C * ( (float)1. - K ) + K );
|
|||
|
M = ( M * ( (float)1. - K ) + K );
|
|||
|
Y = ( Y * ( (float)1. - K ) + K );
|
|||
|
|
|||
|
// CMY -> RGB : RGB results from 0 to 255
|
|||
|
//
|
|||
|
*R++ = (int)(unsigned char)(( (float)1. - C ) * (float)255.);
|
|||
|
*G++ = (int)(unsigned char)(( (float)1. - M ) * (float)255.);
|
|||
|
*B++ = (int)(unsigned char)(( (float)1. - Y ) * (float)255.);
|
|||
|
}
|
|||
|
|
|||
|
dst->free_red = 1;
|
|||
|
dst->free_green = 1;
|
|||
|
dst->free_blue = 1;
|
|||
|
dst->numcomps = 3;
|
|||
|
dst->color_space = OPJ_CLRSPC_SRGB;
|
|||
|
|
|||
|
image->color_space = OPJ_CLRSPC_SRGB;
|
|||
|
return;
|
|||
|
|
|||
|
fails:
|
|||
|
if(R) free(R);
|
|||
|
if(G) free(G);
|
|||
|
fprintf(stderr,"color.cxx:%d:\n\tmemory out\n", __LINE__);
|
|||
|
|
|||
|
}// COLOR_cmyk_to_rgb()
|
|||
|
|
|||
|
//
|
|||
|
// This code has been adopted from sjpx_openjpeg.c of ghostscript
|
|||
|
//
|
|||
|
void COLOR_esycc_to_rgb(opj_image_t *image, ImageInfo *dst)
|
|||
|
{
|
|||
|
int *s0, *s1, *s2;
|
|||
|
int *r, *g, *b;
|
|||
|
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(dst->numcomps != 3)
|
|||
|
{
|
|||
|
unsigned int i;
|
|||
|
fprintf(stderr,"color.cxx:%d: COLOR_esycc_to_rgb\n\tCAN NOT CONVERT "
|
|||
|
"%d components.\n", __LINE__,dst->numcomps);
|
|||
|
|
|||
|
for(i = 0; i < dst->numcomps; ++i)
|
|||
|
{
|
|||
|
fprintf(stderr,"\t[%u] DX(%d) DY(%d)\n",i,
|
|||
|
image->comps[i].dx, image->comps[i].dy);
|
|||
|
}
|
|||
|
return;
|
|||
|
}
|
|||
|
|
|||
|
if(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,"color.cxx:%d: COLOR_esycc_to_rgb\n\tCAN NOT CONVERT "
|
|||
|
"DX(%d,%d,%d) DY(%d,%d,%d)\n",__LINE__,
|
|||
|
image->comps[0].dx,image->comps[1].dx,image->comps[2].dx,
|
|||
|
image->comps[0].dy,image->comps[1].dy,image->comps[2].dy);
|
|||
|
return;
|
|||
|
}
|
|||
|
|
|||
|
w = image->comps[0].w;
|
|||
|
h = image->comps[0].h;
|
|||
|
max = w * h;
|
|||
|
|
|||
|
r = (int*)malloc(max * sizeof(int));
|
|||
|
g = (int*)malloc(max * sizeof(int));
|
|||
|
b = (int*)malloc(max * sizeof(int));
|
|||
|
|
|||
|
if(r == NULL || g == NULL || b == NULL)
|
|||
|
{
|
|||
|
goto fails;
|
|||
|
}
|
|||
|
dst->red = r;
|
|||
|
dst->green = g;
|
|||
|
dst->blue = b;
|
|||
|
|
|||
|
s0 = image->comps[0].data;
|
|||
|
s1 = image->comps[1].data;
|
|||
|
s2 = image->comps[2].data;
|
|||
|
|
|||
|
sign1 = image->comps[1].sgnd;
|
|||
|
sign2 = image->comps[2].sgnd;
|
|||
|
|
|||
|
for(i = 0; i < max; ++i)
|
|||
|
{
|
|||
|
|
|||
|
y = *s0++; cb = *s1++; cr = *s2++;
|
|||
|
|
|||
|
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;
|
|||
|
*r++ = 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;
|
|||
|
*g++ = 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;
|
|||
|
*b++ = val;
|
|||
|
}
|
|||
|
dst->free_red = 1;
|
|||
|
dst->free_green = 1;
|
|||
|
dst->free_blue = 1;
|
|||
|
dst->numcomps = 3;
|
|||
|
dst->color_space = OPJ_CLRSPC_SRGB;
|
|||
|
|
|||
|
image->color_space = OPJ_CLRSPC_SRGB;
|
|||
|
return;
|
|||
|
|
|||
|
fails:
|
|||
|
if(r) free(r);
|
|||
|
if(g) free(g);
|
|||
|
fprintf(stderr,"color.cxx:%d:\n\tmemory out\n", __LINE__);
|
|||
|
|
|||
|
}// COLOR_esycc_to_rgb()
|
|||
|
|
|||
|
|
|||
|
#if defined(__cplusplus) || defined(c_plusplus)
|
|||
|
}
|
|||
|
#endif
|