rawTherapee/rtengine/stdimagesource.cc

330 lines
9.6 KiB
C++
Executable File

/*
* This file is part of RawTherapee.
*
* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.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 <http://www.gnu.org/licenses/>.
*/
#include "stdimagesource.h"
#include "mytime.h"
#include "iccstore.h"
#include "imageio.h"
#include "curves.h"
#include "color.h"
#undef THREAD_PRIORITY_NORMAL
namespace rtengine {
extern const Settings* settings;
template<class T> void freeArray (T** a, int H) {
for (int i=0; i<H; i++)
delete [] a[i];
delete [] a;
}
template<class T> T** allocArray (int W, int H) {
T** t = new T*[H];
for (int i=0; i<H; i++)
t[i] = new T[W];
return t;
}
#define HR_SCALE 2
StdImageSource::StdImageSource () : ImageSource(), img(NULL), plistener(NULL) {
hrmap[0] = NULL;
hrmap[1] = NULL;
hrmap[2] = NULL;
needhr = NULL;
embProfile = NULL;
idata = NULL;
}
StdImageSource::~StdImageSource () {
delete idata;
if (hrmap[0]!=NULL) {
int dh = img->getH()/HR_SCALE;
freeArray<float>(hrmap[0], dh);
freeArray<float>(hrmap[1], dh);
freeArray<float>(hrmap[2], dh);
}
if (needhr)
freeArray<char>(needhr, img->getH());
if (img) delete img;
}
void StdImageSource::getSampleFormat (Glib::ustring &fname, IIOSampleFormat &sFormat, IIOSampleArrangement &sArrangement) {
sFormat = IIOSF_UNKNOWN;
sArrangement = IIOSA_UNKNOWN;
size_t lastdot = fname.find_last_of ('.');
if( Glib::ustring::npos == lastdot ) {
return;
}
if (!fname.casefold().compare (lastdot, 4, ".jpg") ||
!fname.casefold().compare (lastdot, 5, ".jpeg"))
{
// For now, png and jpeg files are converted to unsigned short by the loader itself,
// but there should be functions that read the sample format first, like the TIFF case below
sFormat = IIOSF_UNSIGNED_CHAR;
sArrangement = IIOSA_CHUNKY;
return;
}
else if (!fname.casefold().compare (lastdot, 4, ".png")) {
int result = ImageIO::getPNGSampleFormat (fname, sFormat, sArrangement);
if (result == IMIO_SUCCESS)
return;
}
else if (!fname.casefold().compare (lastdot, 4, ".tif") ||
!fname.casefold().compare (lastdot, 5, ".tiff"))
{
int result = ImageIO::getTIFFSampleFormat (fname, sFormat, sArrangement);
if (result == IMIO_SUCCESS)
return;
}
return;
}
/*
* This method make define the correspondence between the input image type
* and RT's image data type (Image8, Image16 and Imagefloat), then it will
* load the image into it
*/
int StdImageSource::load (Glib::ustring fname, bool batch) {
fileName = fname;
// First let's find out the input image's type
IIOSampleFormat sFormat;
IIOSampleArrangement sArrangement;
getSampleFormat(fname, sFormat, sArrangement);
// Then create the appropriate object
switch (sFormat) {
case (IIOSF_UNSIGNED_CHAR):
{
Image8 *img_8 = new Image8 ();
img = img_8;
break;
}
case (IIOSF_UNSIGNED_SHORT):
{
Image16 *img_16 = new Image16 ();
img = img_16;
break;
}
case (IIOSF_LOGLUV24):
case (IIOSF_LOGLUV32):
case (IIOSF_FLOAT):
{
Imagefloat *img_float = new Imagefloat ();
img = img_float;
break;
}
default:
return IMIO_FILETYPENOTSUPPORTED;
}
img->setSampleFormat(sFormat);
img->setSampleArrangement(sArrangement);
if (plistener) {
plistener->setProgressStr ("PROGRESSBAR_LOADING");
plistener->setProgress (0.0);
img->setProgressListener (plistener);
}
// And load the image!
int error = img->load (fname);
if (error) {
delete img;
img = NULL;
return error;
}
embProfile = img->getEmbeddedProfile ();
idata = new ImageData (fname);
if (idata->hasExif()) {
int deg = 0;
if (idata->getOrientation()=="Rotate 90 CW") {
deg = 90;
}
else if (idata->getOrientation()=="Rotate 180") {
deg = 180;
}
else if (idata->getOrientation()=="Rotate 270 CW") {
deg = 270;
}
if (deg) {
img->rotate(deg);
}
}
if (plistener) {
plistener->setProgressStr ("PROGRESSBAR_READY");
plistener->setProgress (1.0);
}
wb = ColorTemp (1.0,1.0,1.0,1.0);
//this is probably a mistake if embedded profile is not D65
return 0;
}
void StdImageSource::getImage (ColorTemp ctemp, int tran, Imagefloat* image, PreviewProps pp,ToneCurveParams hrp, ColorManagementParams cmp, RAWParams raw) {
// the code will use OpenMP as of now.
img->getStdImage(ctemp, tran, image, pp, true, hrp);
// Hombre: we could have rotated the image here too, with just few line of code, but:
// 1. it would require other modifications in the engine, so "do not touch that little plonker!"
// 2. it's more optimized like this
// Flip if needed
if (tran & TR_HFLIP)
image->hflip();
if (tran & TR_VFLIP)
image->vflip();
}
void StdImageSource::convertColorSpace(Imagefloat* image, ColorManagementParams cmp, ColorTemp &wb) {
colorSpaceConversion (image, cmp, embProfile, img->getSampleFormat());
}
void StdImageSource::colorSpaceConversion (Imagefloat* im, ColorManagementParams cmp, cmsHPROFILE embedded, IIOSampleFormat sampleFormat) {
bool skipTransform = false;
cmsHPROFILE in = NULL;
cmsHPROFILE out = iccStore->workingSpace (cmp.working);
if (cmp.input=="(embedded)" || cmp.input=="" || cmp.input=="(camera)" || cmp.input=="(cameraICC)") {
if (embedded)
in = embedded;
else {
if (sampleFormat & (IIOSF_LOGLUV24|IIOSF_LOGLUV32|IIOSF_FLOAT))
skipTransform = true;
else
in = iccStore->getsRGBProfile ();
}
} else {
if (cmp.input!="(none)") {
in = iccStore->getProfile (cmp.input);
if (in==NULL && embedded)
in = embedded;
else if (in==NULL) {
if (sampleFormat & (IIOSF_LOGLUV24|IIOSF_LOGLUV32|IIOSF_FLOAT))
skipTransform = true;
else
in = iccStore->getsRGBProfile ();
}
}
}
if (!skipTransform && in) {
if(in == embedded && cmsGetColorSpace(in) != cmsSigRgbData) { // if embedded profile is not an RGB profile, use sRGB
printf("embedded profile is not an RGB profile, using sRGB as input profile\n");
in = iccStore->getsRGBProfile ();
}
lcmsMutex->lock ();
cmsHTRANSFORM hTransform = cmsCreateTransform (in, TYPE_RGB_FLT, out, TYPE_RGB_FLT, settings->colorimetricIntent,
cmsFLAGS_NOOPTIMIZE | cmsFLAGS_NOCACHE);
lcmsMutex->unlock ();
if(hTransform) {
// Convert to the [0.0 ; 1.0] range
im->normalizeFloatTo1();
im->ExecCMSTransform(hTransform);
// Converting back to the [0.0 ; 65535.0] range
im->normalizeFloatTo65535();
cmsDeleteTransform(hTransform);
} else {
printf("Could not convert from %s to %s\n",in == embedded ? "embedded profile" : cmp.input.data(),cmp.working.data());
}
}
}
void StdImageSource::getFullSize (int& w, int& h, int tr) {
w = img->width;
h = img->height;
if ((tr & TR_ROT) == TR_R90 || (tr & TR_ROT) == TR_R270) {
w = img->height;
h = img->width;
}
}
void StdImageSource::getSize (int tran, PreviewProps pp, int& w, int& h) {
w = pp.w / pp.skip + (pp.w % pp.skip > 0);
h = pp.h / pp.skip + (pp.h % pp.skip > 0);
}
void StdImageSource::getAutoExpHistogram (LUTu & histogram, int& histcompr) {
if (img->getType() == sImage8) {
Image8 *img_ = static_cast<Image8*>(img);
img_->computeAutoHistogram(histogram, histcompr);
}
else if (img->getType() == sImage16) {
Image16 *img_ = static_cast<Image16*>(img);
img_->computeAutoHistogram(histogram, histcompr);
}
else if (img->getType() == sImagefloat) {
Imagefloat *img_ = static_cast<Imagefloat*>(img);
img_->computeAutoHistogram(histogram, histcompr);
}
}
void StdImageSource::getAutoWBMultipliers (double &rm, double &gm, double &bm) {
if (redAWBMul != -1.) {
rm = redAWBMul;
gm = greenAWBMul;
bm = blueAWBMul;
return;
}
img->getAutoWBMultipliers(rm, gm, bm);
redAWBMul = rm;
greenAWBMul = gm;
blueAWBMul = bm;
}
ColorTemp StdImageSource::getSpotWB (std::vector<Coord2D> &red, std::vector<Coord2D> &green, std::vector<Coord2D>& blue, int tran, double equal) {
int rn, gn, bn;
double reds, greens, blues;
img->getSpotWBData(reds, greens, blues, rn, gn, bn, red, green, blue, tran);
double img_r, img_g, img_b;
wb.getMultipliers (img_r, img_g, img_b);
if( settings->verbose )
printf ("AVG: %g %g %g\n", reds/rn, greens/gn, blues/bn);
return ColorTemp (reds/rn*img_r, greens/gn*img_g, blues/bn*img_b, equal);
}
}