134 lines
4.5 KiB
C++
134 lines
4.5 KiB
C++
/* -*- C++ -*-
|
|
*
|
|
* This file is part of RawTherapee.
|
|
*
|
|
* Copyright (c) 2018 Alberto Griggio <alberto.griggio@gmail.com>
|
|
*
|
|
* RawTherapee is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* RawTherapee is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with RawTherapee. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/**
|
|
* Adapted from PhotoFlow, Copyright (C) 2014 Ferrero Andrea
|
|
* also distributed under the GPL V3+
|
|
*/
|
|
|
|
#include <iostream>
|
|
|
|
#include "gamutwarning.h"
|
|
#include "iccstore.h"
|
|
#include "image8.h"
|
|
|
|
namespace rtengine {
|
|
|
|
GamutWarning::GamutWarning(cmsHPROFILE iprof, cmsHPROFILE gamutprof, RenderingIntent intent, bool gamutbpc):
|
|
lab2ref(nullptr),
|
|
lab2softproof(nullptr),
|
|
softproof2ref(nullptr)
|
|
{
|
|
if (cmsIsMatrixShaper(gamutprof) && !cmsIsCLUT(gamutprof, intent, LCMS_USED_AS_OUTPUT)) {
|
|
cmsHPROFILE aces = ICCStore::getInstance()->workingSpace("ACESp0");
|
|
if (aces) {
|
|
lab2ref = cmsCreateTransform(iprof, TYPE_Lab_FLT, aces, TYPE_RGB_FLT, INTENT_ABSOLUTE_COLORIMETRIC, cmsFLAGS_NOOPTIMIZE | cmsFLAGS_NOCACHE);
|
|
lab2softproof = cmsCreateTransform(iprof, TYPE_Lab_FLT, gamutprof, TYPE_RGB_FLT, INTENT_ABSOLUTE_COLORIMETRIC, cmsFLAGS_NOOPTIMIZE | cmsFLAGS_NOCACHE);
|
|
softproof2ref = cmsCreateTransform(gamutprof, TYPE_RGB_FLT, aces, TYPE_RGB_FLT, INTENT_ABSOLUTE_COLORIMETRIC, cmsFLAGS_NOOPTIMIZE | cmsFLAGS_NOCACHE | (gamutbpc ? cmsFLAGS_BLACKPOINTCOMPENSATION : 0));
|
|
}
|
|
} else {
|
|
lab2ref = nullptr;
|
|
lab2softproof = cmsCreateTransform(iprof, TYPE_Lab_FLT, gamutprof, TYPE_RGB_FLT, INTENT_ABSOLUTE_COLORIMETRIC, cmsFLAGS_NOOPTIMIZE | cmsFLAGS_NOCACHE);
|
|
softproof2ref = cmsCreateTransform(gamutprof, TYPE_RGB_FLT, iprof, TYPE_Lab_FLT, INTENT_ABSOLUTE_COLORIMETRIC, cmsFLAGS_NOOPTIMIZE | cmsFLAGS_NOCACHE | (gamutbpc ? cmsFLAGS_BLACKPOINTCOMPENSATION : 0));
|
|
}
|
|
|
|
if (!softproof2ref) {
|
|
if (lab2softproof) {
|
|
cmsDeleteTransform(lab2softproof);
|
|
lab2softproof = nullptr;
|
|
}
|
|
} else if (!lab2softproof) {
|
|
if (softproof2ref) {
|
|
cmsDeleteTransform(softproof2ref);
|
|
softproof2ref = nullptr;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
GamutWarning::~GamutWarning()
|
|
{
|
|
if (softproof2ref) {
|
|
cmsDeleteTransform(softproof2ref);
|
|
}
|
|
if (lab2ref) {
|
|
cmsDeleteTransform(lab2ref);
|
|
}
|
|
if (lab2softproof) {
|
|
cmsDeleteTransform(lab2softproof);
|
|
}
|
|
}
|
|
|
|
|
|
void GamutWarning::markLine(Image8 *image, int y, float *srcbuf, float *buf1, float *buf2)
|
|
{
|
|
if (softproof2ref) {
|
|
const int width = image->getWidth();
|
|
|
|
float delta_max = lab2ref ? 0.0001f : 4.9999f;
|
|
cmsDoTransform(lab2softproof, srcbuf, buf2, width);
|
|
// since we are checking for out-of-gamut, we do want to clamp here!
|
|
for (int i = 0; i < width * 3; ++i) {
|
|
buf2[i] = LIM01(buf2[i]);
|
|
}
|
|
cmsDoTransform(softproof2ref, buf2, buf1, width);
|
|
|
|
float *proofdata = buf1;
|
|
float *refdata = srcbuf;
|
|
|
|
if (lab2ref) {
|
|
cmsDoTransform(lab2ref, srcbuf, buf2, width);
|
|
refdata = buf2;
|
|
|
|
int iy = 0;
|
|
for (int j = 0; j < width; ++j) {
|
|
float delta = max(std::abs(proofdata[iy] - refdata[iy]), std::abs(proofdata[iy+1] - refdata[iy+1]), std::abs(proofdata[iy+2] - refdata[iy+2]));
|
|
iy += 3;
|
|
|
|
if (delta > delta_max) {
|
|
mark(image, y, j);
|
|
}
|
|
}
|
|
} else {
|
|
int iy = 0;
|
|
for (int j = 0; j < width; ++j) {
|
|
cmsCIELab lab1 = { proofdata[iy], proofdata[iy+1], proofdata[iy+2] };
|
|
cmsCIELab lab2 = { refdata[iy], refdata[iy+1], refdata[iy+2] };
|
|
iy += 3;
|
|
float delta = cmsDeltaE(&lab1, &lab2);
|
|
if (delta > delta_max) {
|
|
mark(image, y, j);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
inline void GamutWarning::mark(Image8 *image, int y, int x)
|
|
{
|
|
image->r(y, x) = 0;
|
|
image->g(y, x) = 255;
|
|
image->b(y, x) = 255;
|
|
}
|
|
|
|
|
|
} // namespace rtengine
|