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rawTherapee/rtengine/rtthumbnail.cc

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/*
* 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 "rtengine.h"
#include "rtthumbnail.h"
#include "image8.h"
#include <lcms2.h>
#include "curves.h"
#include <glibmm.h>
#include "improcfun.h"
#include "colortemp.h"
#include "mytime.h"
#include "utils.h"
#include "iccstore.h"
#include "iccmatrices.h"
#include "rawimagesource.h"
#include "stdimagesource.h"
#include <glib/gstdio.h>
#include <csetjmp>
#include "safekeyfile.h"
#include "safegtk.h"
#include "rawimage.h"
#include "jpeg.h"
#include "../rtgui/ppversion.h"
namespace rtengine {
Thumbnail* Thumbnail::loadFromImage (const Glib::ustring& fname, int &w, int &h, int fixwh, int deg) {
StdImageSource imgSrc;
if (imgSrc.load(fname)) {
return NULL;
}
ImageIO* img = imgSrc.getImageIO();
if (deg) {
img->rotate(deg);
}
Thumbnail* tpp = new Thumbnail ();
tpp->camwbRed = 1.0;
tpp->camwbGreen = 1.0;
tpp->camwbBlue = 1.0;
tpp->embProfileLength = 0;
unsigned char* data;
img->getEmbeddedProfileData (tpp->embProfileLength, data);
if (data && tpp->embProfileLength) {
tpp->embProfileData = new unsigned char [tpp->embProfileLength];
memcpy (tpp->embProfileData, data, tpp->embProfileLength);
}
else {
tpp->embProfileLength = 0;
tpp->embProfileData = NULL;
}
tpp->redMultiplier = 1.0;
tpp->greenMultiplier = 1.0;
tpp->blueMultiplier = 1.0;
tpp->scaleForSave = 8192;
tpp->defGain = 1.0;
tpp->gammaCorrected = false;
tpp->isRaw = 0;
memset (tpp->colorMatrix, 0, sizeof(tpp->colorMatrix));
tpp->colorMatrix[0][0] = 1.0;
tpp->colorMatrix[1][1] = 1.0;
tpp->colorMatrix[2][2] = 1.0;
if (fixwh==1) {
w = h * img->width / img->height;
tpp->scale = (double)img->height / h;
}
else {
h = w * img->height / img->width;
tpp->scale = (double)img->width / w;
}
// bilinear interpolation
if (tpp->thumbImg) delete tpp->thumbImg; tpp->thumbImg = NULL;
tpp->thumbImg = resizeToSameType(w, h, TI_Bilinear, img);
// histogram computation
tpp->aeHistCompression = 3;
tpp->aeHistogram(65536>>tpp->aeHistCompression);
double avg_r = 0;
double avg_g = 0;
double avg_b = 0;
int n = 0;
if (img->getType() == rtengine::sImage8) {
Image8 *image = static_cast<Image8*>(img);
image->computeHistogramAutoWB(avg_r, avg_g, avg_b, n, tpp->aeHistogram, tpp->aeHistCompression);
}
else if (img->getType() == sImage16) {
Image16 *image = static_cast<Image16*>(img);
image->computeHistogramAutoWB(avg_r, avg_g, avg_b, n, tpp->aeHistogram, tpp->aeHistCompression);
}
else if (img->getType() == sImagefloat) {
Imagefloat *image = static_cast<Imagefloat*>(img);
image->computeHistogramAutoWB(avg_r, avg_g, avg_b, n, tpp->aeHistogram, tpp->aeHistCompression);
}
else {
printf("loadFromImage: Unsupported image type \"%s\"!\n", img->getType());
}
if (n>0) {
ColorTemp cTemp;
cTemp.mul2temp (avg_r/double(n), avg_g/double(n), avg_b/double(n), tpp->autowbTemp, tpp->autowbGreen);
}
tpp->init ();
return tpp;
}
Thumbnail* Thumbnail::loadQuickFromRaw (const Glib::ustring& fname, RawMetaDataLocation& rml, int &w, int &h, int fixwh, bool rotate)
{
RawImage *ri= new RawImage(fname);
int r = ri->loadRaw(false,false);
if( r )
{
delete ri;
return NULL;
}
rml.exifBase = ri->get_exifBase();
rml.ciffBase = ri->get_ciffBase();
rml.ciffLength = ri->get_ciffLen();
Image8* img = new Image8 ();
// No sample format detection occurred earlier, so we set them here,
// as they are mandatory for the setScanline method
img->setSampleFormat(IIOSF_UNSIGNED_CHAR);
img->setSampleArrangement(IIOSA_CHUNKY);
int err = 1;
// see if it is something we support
if ( ri->is_supportedThumb() )
{
const char* data((const char*)fdata(ri->get_thumbOffset(),ri->get_file()));
if ( (unsigned char)data[1] == 0xd8 )
{
err = img->loadJPEGFromMemory(data,ri->get_thumbLength());
}
else
{
err = img->loadPPMFromMemory(data,ri->get_thumbWidth(),ri->get_thumbHeight(),ri->get_thumbSwap(),ri->get_thumbBPS());
}
}
// did we succeed?
if ( err )
{
printf("loadfromMemory: error\n");
delete img;
delete ri;
return NULL;
}
Thumbnail* tpp = new Thumbnail ();
tpp->camwbRed = 1.0;
tpp->camwbGreen = 1.0;
tpp->camwbBlue = 1.0;
tpp->embProfileLength = 0;
tpp->embProfile = NULL;
tpp->embProfileData = NULL;
tpp->redMultiplier = 1.0;
tpp->greenMultiplier = 1.0;
tpp->blueMultiplier = 1.0;
tpp->scaleForSave = 8192;
tpp->defGain = 1.0;
tpp->gammaCorrected = false;
tpp->isRaw = 1;
memset (tpp->colorMatrix, 0, sizeof(tpp->colorMatrix));
tpp->colorMatrix[0][0] = 1.0;
tpp->colorMatrix[1][1] = 1.0;
tpp->colorMatrix[2][2] = 1.0;
if (fixwh==1) {
w = h * img->width / img->height;
tpp->scale = (double)img->height / h;
}
else {
h = w * img->height / img->width;
tpp->scale = (double)img->width / w;
}
if (tpp->thumbImg) delete tpp->thumbImg; tpp->thumbImg = NULL;
tpp->thumbImg = resizeTo<Image8>(w, h, TI_Nearest, img);
delete img;
tpp->autowbTemp=2700;
tpp->autowbGreen=1.0;
if (rotate && ri->get_rotateDegree() > 0) {
// Leaf .mos, Mamiya .mef and Phase One files have thumbnails already rotated.
if (ri->get_maker() != "Leaf" && ri->get_maker() != "Mamiya" && ri->get_maker() != "Phase One") {
tpp->thumbImg->rotate(ri->get_rotateDegree());
}
}
tpp->init ();
delete ri;
return tpp;
}
#define FISRED(filter,row,col) \
((filter >> ((((row) << 1 & 14) + ((col) & 1)) << 1) & 3)==0 || !filter)
#define FISGREEN(filter,row,col) \
((filter >> ((((row) << 1 & 14) + ((col) & 1)) << 1) & 3)==1 || !filter)
#define FISBLUE(filter,row,col) \
((filter >> ((((row) << 1 & 14) + ((col) & 1)) << 1) & 3)==2 || !filter)
Thumbnail* Thumbnail::loadFromRaw (const Glib::ustring& fname, RawMetaDataLocation& rml, int &w, int &h, int fixwh, bool rotate)
{
RawImage *ri= new RawImage (fname);
int r = ri->loadRaw(1,0);
if( r ){
delete ri;
return NULL;
}
int width = ri->get_width();
int height = ri->get_height();
rtengine::Thumbnail* tpp = new rtengine::Thumbnail;
tpp->isRaw = true;
tpp->embProfile = NULL;
tpp->embProfileData = NULL;
tpp->embProfileLength = ri->get_profileLen();
if (ri->get_profileLen())
tpp->embProfile = cmsOpenProfileFromMem(ri->get_profile(),
ri->get_profileLen()); //\ TODO check if mutex is needed
tpp->redMultiplier = ri->get_pre_mul(0);
tpp->greenMultiplier = ri->get_pre_mul(1);
tpp->blueMultiplier = ri->get_pre_mul(2);
ri->scale_colors();
ri->pre_interpolate();
rml.exifBase = ri->get_exifBase();
rml.ciffBase = ri->get_ciffBase();
rml.ciffLength = ri->get_ciffLen();
tpp->camwbRed = tpp->redMultiplier / ri->get_pre_mul(0);
tpp->camwbGreen = tpp->greenMultiplier / ri->get_pre_mul(1);
tpp->camwbBlue = tpp->blueMultiplier / ri->get_pre_mul(2);
tpp->defGain= 1.0/ min(ri->get_pre_mul(0), ri->get_pre_mul(1), ri->get_pre_mul(2));
tpp->gammaCorrected = true;
unsigned filter = ri->get_filters();
int firstgreen = 1;
// locate first green location in the first row
while (!FISGREEN(filter,1,firstgreen))
firstgreen++;
int skip = 1;
if (ri->get_FujiWidth() != 0){
if (fixwh == 1) // fix height, scale width
skip = ((ri->get_height() - ri->get_FujiWidth()) / sqrt(0.5) - firstgreen - 1) / h;
else
skip = (ri->get_FujiWidth()/sqrt(0.5) - firstgreen - 1) / w;
}else{
if (fixwh == 1) // fix height, scale width
skip = (ri->get_height() - firstgreen - 1) / h;
else
skip = (ri->get_width() - firstgreen - 1) / w;
}
if (skip % 2)
skip--;
if (skip < 1)
skip = 1;
int hskip = skip, vskip = skip;
if (!ri->get_model().compare("D1X"))
hskip *= 2;
int rofs = 0;
int tmpw = (width - 2) / hskip;
int tmph = (height - 2) / vskip;
DCraw::dcrawImage_t image = ri->get_image();
Imagefloat* tmpImg = new Imagefloat(tmpw, tmph);
if (ri->isBayer()) {
for (int row = 1, y = 0; row < height - 1 && y < tmph; row += vskip, y++) {
rofs = row * width;
for (int col = firstgreen, x = 0; col < width - 1 && x < tmpw; col+= hskip, x++) {
int ofs = rofs + col;
int g = image[ofs][1];
int r, b;
if (FISRED(filter,row,col+1)) {
r = (image[ofs + 1][0] + image[ofs - 1][0]) >> 1;
b = (image[ofs + width][2] + image[ofs - width][2]) >> 1;
} else {
b = (image[ofs + 1][2] + image[ofs - 1][2]) >> 1;
r = (image[ofs + width][0] + image[ofs - width][0]) >> 1;
}
tmpImg->r(y,x) = r;
tmpImg->g(y,x) = g;
tmpImg->b(y,x) = b;
}
}
} else {
for (int row = 1, y = 0; row < height - 1 && y < tmph; row += vskip, y++) {
rofs = row * width;
for (int col = firstgreen, x = 0; col < width - 1 && x < tmpw; col
+= hskip, x++) {
int ofs = rofs + col;
tmpImg->r(y,x) = image[ofs][0];
tmpImg->g(y,x) = image[ofs][1];
tmpImg->b(y,x) = image[ofs][2];
}
}
}
if (ri->get_FujiWidth() != 0) {
int fw = ri->get_FujiWidth() / hskip;
double step = sqrt(0.5);
int wide = fw / step;
int high = (tmph - fw) / step;
Imagefloat* fImg = new Imagefloat(wide, high);
float r, c;
for (int row = 0; row < high; row++)
for (int col = 0; col < wide; col++) {
unsigned ur = r = fw + (row - col) * step;
unsigned uc = c = (row + col) * step;
if (ur > tmph - 2 || uc > tmpw - 2)
continue;
double fr = r - ur;
double fc = c - uc;
fImg->r(row,col) = (tmpImg->r(ur,uc) * (1 - fc)
+ tmpImg->r(ur,uc + 1) * fc) * (1 - fr)
+ (tmpImg->r(ur + 1,uc) * (1 - fc)
+ tmpImg->r(ur + 1,uc + 1) * fc) * fr;
fImg->g(row,col) = (tmpImg->g(ur,uc) * (1 - fc)
+ tmpImg->g(ur,uc + 1) * fc) * (1 - fr)
+ (tmpImg->g(ur + 1,uc) * (1 - fc)
+ tmpImg->g(ur + 1,uc + 1) * fc) * fr;
fImg->b(row,col) = (tmpImg->b(ur,uc) * (1 - fc)
+ tmpImg->b(ur,uc + 1) * fc) * (1 - fr)
+ (tmpImg->b(ur + 1,uc) * (1 - fc)
+ tmpImg->b(ur + 1,uc + 1) * fc) * fr;
}
delete tmpImg;
tmpImg = fImg;
tmpw = wide;
tmph = high;
}
if (fixwh == 1) // fix height, scale width
w = tmpw * h / tmph;
else
h = tmph * w / tmpw;
if (tpp->thumbImg) delete tpp->thumbImg; tpp->thumbImg = NULL;
tpp->thumbImg = resizeTo<Image16>(w, h, TI_Bilinear, tmpImg);
delete tmpImg;
if (ri->get_FujiWidth() != 0)
tpp->scale = (double) (height - ri->get_FujiWidth()) / sqrt(0.5) / h;
else
tpp->scale = (double) height / h;
// generate histogram for auto exposure
tpp->aeHistCompression = 3;
tpp->aeHistogram(65536 >> tpp->aeHistCompression);
tpp->aeHistogram.clear();
int radd = 4;
int gadd = 4;
int badd = 4;
if (!filter)
radd = gadd = badd = 1;
for (int i = 8; i < height - 8; i++) {
int start, end;
if (ri->get_FujiWidth() != 0) {
int fw = ri->get_FujiWidth();
start = ABS(fw-i) + 8;
end = min(height + width-fw-i, fw+i) - 8;
} else {
start = 8;
end = width - 8;
}
for (int j = start; j < end; j++)
if (FISGREEN(filter,i,j))
tpp->aeHistogram[((int)(tpp->camwbGreen*image[i* width+j][1]))>>tpp->aeHistCompression]+=gadd;
else if (FISRED(filter,i,j))
tpp->aeHistogram[((int)(tpp->camwbRed * image[i* width+j][0]))>>tpp->aeHistCompression]+=radd;
else if (FISBLUE(filter,i,j))
tpp->aeHistogram[((int)(tpp->camwbBlue *image[i* width+j][2]))>>tpp->aeHistCompression]+=badd;
}
// generate autoWB
double avg_r = 0;
double avg_g = 0;
double avg_b = 0;
const float eps=1e-5; //tolerance to avoid dividing by zero
float rn = eps, gn = eps, bn = eps;
for (int i = 32; i < height - 32; i++) {
int start, end;
if (ri->get_FujiWidth() != 0) {
int fw = ri->get_FujiWidth();
start = ABS(fw-i) + 32;
end = min(height + width-fw-i, fw+i) - 32;
} else {
start = 32;
end = width - 32;
}
for (int j = start; j < end; j++) {
if (FISGREEN(filter,i,j)) {
double d = tpp->defGain * image[i * width + j][1];
if (d > 64000.)
continue;
avg_g += d;
gn++;
}
else if (FISRED(filter,i,j)) {
double d = tpp->defGain * image[i * width + j][0];
if (d > 64000.)
continue;
avg_r += d;
rn++;
}
else if (FISBLUE(filter,i,j)) {
double d = tpp->defGain * image[i * width + j][2];
if (d > 64000.)
continue;
avg_b += d;
bn++;
}
}
}
double reds = avg_r / rn * tpp->camwbRed;
double greens = avg_g / gn * tpp->camwbGreen;
double blues = avg_b / bn * tpp->camwbBlue;
double rm = ri->get_rgb_cam(0, 0) * reds + ri->get_rgb_cam(0, 1) * greens + ri->get_rgb_cam(0, 2) * blues;
double gm = ri->get_rgb_cam(1, 0) * reds + ri->get_rgb_cam(1, 1) * greens + ri->get_rgb_cam(1, 2) * blues;
double bm = ri->get_rgb_cam(2, 0) * reds + ri->get_rgb_cam(2, 1) * greens + ri->get_rgb_cam(2, 2) * blues;
ColorTemp cTemp;
cTemp.mul2temp(rm, gm, bm, tpp->autowbTemp, tpp->autowbGreen);
if (rotate && ri->get_rotateDegree() > 0) {
tpp->thumbImg->rotate(ri->get_rotateDegree());
}
for (int a = 0; a < 3; a++)
for (int b = 0; b < 3; b++)
tpp->colorMatrix[a][b] = ri->get_rgb_cam(a, b);
tpp->init();
delete ri;
return tpp;
}
#undef FISRED
#undef FISGREEN
#undef FISBLUE
unsigned short *Thumbnail::igammatab = 0;
unsigned char *Thumbnail::gammatab = 0;
void Thumbnail::initGamma () {
igammatab = new unsigned short[256];
gammatab = new unsigned char[65536];
for (int i=0; i<256; i++)
igammatab[i] = (unsigned short)(255.0*pow((double)i/255.0,Color::sRGBGamma));
for (int i=0; i<65536; i++)
gammatab[i] = (unsigned char)(255.0*pow((double)i/65535.0,1.f/Color::sRGBGamma));
}
void Thumbnail::cleanupGamma () {
delete [] igammatab;
delete [] gammatab;
}
void Thumbnail::init () {
RawImageSource::inverse33 (colorMatrix, iColorMatrix);
//colorMatrix is rgb_cam
memset (cam2xyz, 0, sizeof(cam2xyz));
for (int i=0; i<3; i++)
for (int j=0; j<3; j++)
for (int k=0; k<3; k++)
cam2xyz[i][j] += xyz_sRGB[i][k] * colorMatrix[k][j];
camProfile = iccStore->createFromMatrix (cam2xyz, false, "Camera");
}
Thumbnail::Thumbnail () :
camProfile(NULL), thumbImg(NULL), embProfileData(NULL), embProfile(NULL) {
}
Thumbnail::~Thumbnail () {
delete thumbImg;
//delete [] aeHistogram;
delete [] embProfileData;
if (embProfile)
cmsCloseProfile(embProfile);
if (camProfile)
cmsCloseProfile(camProfile);
}
// Simple processing of RAW internal JPGs
IImage8* Thumbnail::quickProcessImage (const procparams::ProcParams& params, int rheight, rtengine::TypeInterpolation interp, double& myscale) {
int rwidth;
if (params.coarse.rotate==90 || params.coarse.rotate==270) {
rwidth = rheight;
rheight = thumbImg->height * rwidth / thumbImg->width;
}
else
rwidth = thumbImg->width * rheight / thumbImg->height;
Image8* baseImg = resizeTo<Image8>(rwidth, rheight, interp, thumbImg);
if (params.coarse.rotate)
baseImg->rotate (params.coarse.rotate);
if (params.coarse.hflip)
baseImg->hflip ();
if (params.coarse.vflip)
baseImg->vflip ();
return baseImg;
}
// Full thumbnail processing, second stage if complete profile exists
IImage8* Thumbnail::processImage (const procparams::ProcParams& params, int rheight, TypeInterpolation interp, std::string camName,
double focalLen, double focalLen35mm, float focusDist, double& myscale) {
// compute WB multipliers
ColorTemp currWB = ColorTemp (params.wb.temperature, params.wb.green, params.wb.method);
if (params.wb.method=="Camera") {
//recall colorMatrix is rgb_cam
double cam_r = colorMatrix[0][0]*camwbRed + colorMatrix[0][1]*camwbGreen + colorMatrix[0][2]*camwbBlue;
double cam_g = colorMatrix[1][0]*camwbRed + colorMatrix[1][1]*camwbGreen + colorMatrix[1][2]*camwbBlue;
double cam_b = colorMatrix[2][0]*camwbRed + colorMatrix[2][1]*camwbGreen + colorMatrix[2][2]*camwbBlue;
currWB = ColorTemp (cam_r, cam_g, cam_b);
}
else if (params.wb.method=="Auto")
currWB = ColorTemp (autowbTemp, autowbGreen, "Custom");
double r, g, b;
currWB.getMultipliers (r, g, b);
//iColorMatrix is cam_rgb
double rm = iColorMatrix[0][0]*r + iColorMatrix[0][1]*g + iColorMatrix[0][2]*b;
double gm = iColorMatrix[1][0]*r + iColorMatrix[1][1]*g + iColorMatrix[1][2]*b;
double bm = iColorMatrix[2][0]*r + iColorMatrix[2][1]*g + iColorMatrix[2][2]*b;
rm = camwbRed / rm;
gm = camwbGreen / gm;
bm = camwbBlue / bm;
double mul_lum = 0.299*rm + 0.587*gm + 0.114*bm;
double logDefGain = log(defGain) / log(2.0);
int rmi, gmi, bmi;
// Since HL recovery is not rendered in thumbs
// if (!isRaw || !params.hlrecovery.enabled) {
logDefGain = 0.0;
rmi = 1024.0 * rm * defGain / mul_lum;
gmi = 1024.0 * gm * defGain / mul_lum;
bmi = 1024.0 * bm * defGain / mul_lum;
/* }
else {
rmi = 1024.0 * rm / mul_lum;
gmi = 1024.0 * gm / mul_lum;
bmi = 1024.0 * bm / mul_lum;
}*/
// The RAW exposure is not reflected since it's done in preprocessing. If we only have e.g. the chached thumb,
// that is already preprocessed. So we simulate the effect here roughly my modifying the exposure accordingly
if (isRaw && fabs(1.0-params.raw.expos)>0.001) {
rmi*=params.raw.expos;
gmi*=params.raw.expos;
bmi*=params.raw.expos;
}
// resize to requested width and perform coarse transformation
int rwidth;
if (params.coarse.rotate==90 || params.coarse.rotate==270) {
rwidth = rheight;
rheight = thumbImg->height * rwidth / thumbImg->width;
}
else
rwidth = thumbImg->width * rheight / thumbImg->height;
Imagefloat* baseImg = resizeTo<Imagefloat>(rwidth, rheight, interp, thumbImg);
if (params.coarse.rotate) {
baseImg->rotate (params.coarse.rotate);
rwidth = baseImg->width;
rheight = baseImg->height;
}
if (params.coarse.hflip)
baseImg->hflip ();
if (params.coarse.vflip)
baseImg->vflip ();
// apply white balance and raw white point (simulated)
int val;
unsigned short val_;
for (int i=0; i<rheight; i++)
for (int j=0; j<rwidth; j++) {
baseImg->convertTo(baseImg->r(i,j), val_);
val = static_cast<int>(val_)*rmi>>10;
baseImg->r(i,j) = CLIP(val);
baseImg->convertTo(baseImg->g(i,j), val_);
val = static_cast<int>(val_)*gmi>>10;
baseImg->g(i,j) = CLIP(val);
baseImg->convertTo(baseImg->b(i,j), val_);
val = static_cast<int>(val_)*bmi>>10;
baseImg->b(i,j) = CLIP(val);
}
/*
// apply highlight recovery, if needed -- CURRENTLY BROKEN DUE TO INCOMPATIBLE DATA TYPES; DO WE CARE???
if (isRaw && params.hlrecovery.enabled) {
int maxval = 65535 / defGain;
if (params.hlrecovery.method=="Luminance" || params.hlrecovery.method=="Color")
for (int i=0; i<rheight; i++)
RawImageSource::HLRecovery_Luminance (baseImg->r[i], baseImg->g[i], baseImg->b[i], baseImg->r[i], baseImg->g[i], baseImg->b[i], rwidth, maxval);
else if (params.hlrecovery.method=="CIELab blending") {
double icamToD50[3][3];
RawImageSource::inverse33 (cam2xyz, icamToD50);
for (int i=0; i<rheight; i++)
RawImageSource::HLRecovery_CIELab (baseImg->r[i], baseImg->g[i], baseImg->b[i], baseImg->r[i], baseImg->g[i], baseImg->b[i], rwidth, maxval, cam2xyz, icamToD50);
}
}
*/
// if luma denoise has to be done for thumbnails, it should be right here
// perform color space transformation
if (isRaw)
RawImageSource::colorSpaceConversion (baseImg, params.icm, embProfile, camProfile, cam2xyz, camName );
else
StdImageSource::colorSpaceConversion (baseImg, params.icm, embProfile, thumbImg->getSampleFormat());
int fw = baseImg->width;
int fh = baseImg->height;
//ColorTemp::CAT02 (baseImg, &params) ;//perhaps not good!
ImProcFunctions ipf (&params, false);
ipf.setScale (sqrt(double(fw*fw+fh*fh))/sqrt(double(thumbImg->width*thumbImg->width+thumbImg->height*thumbImg->height))*scale);
LUTu hist16 (65536);
LUTu hist16C (65536);
double gamma = isRaw ? Color::sRGBGamma : 0; // usually in ImageSource, but we don't have that here
ipf.firstAnalysis (baseImg, &params, hist16, gamma);
// perform transform
if (ipf.needsTransform()) {
Imagefloat* trImg = new Imagefloat (fw, fh);
ipf.transform (baseImg, trImg, 0, 0, 0, 0, fw, fh, focalLen, focalLen35mm, focusDist, 0, true); // Raw rotate degree not detectable here
delete baseImg;
baseImg = trImg;
}
// update blurmap
SHMap* shmap = NULL;
if (params.sh.enabled) {
shmap = new SHMap (fw, fh, false);
double radius = sqrt (double(fw*fw+fh*fh)) / 2.0;
double shradius = params.sh.radius;
if (!params.sh.hq) shradius *= radius / 1800.0;
shmap->update (baseImg, shradius, ipf.lumimul, params.sh.hq, 16);
}
// RGB processing
double expcomp = params.toneCurve.expcomp;
int bright = params.toneCurve.brightness;
int contr = params.toneCurve.contrast;
int black = params.toneCurve.black;
int hlcompr = params.toneCurve.hlcompr;
int hlcomprthresh = params.toneCurve.hlcomprthresh;
if (params.toneCurve.autoexp && aeHistogram) {
ipf.getAutoExp (aeHistogram, aeHistCompression, logDefGain, params.toneCurve.clip, expcomp, bright, contr, black, hlcompr, hlcomprthresh);
//ipf.getAutoExp (aeHistogram, aeHistCompression, logDefGain, params.toneCurve.clip, params.toneCurve.expcomp, params.toneCurve.brightness, params.toneCurve.contrast, params.toneCurve.black, params.toneCurve.hlcompr);
}
LUTf curve1 (65536);
LUTf curve2 (65536);
LUTf curve (65536);
LUTf satcurve (65536);
LUTf lhskcurve (65536);
LUTf rCurve (65536);
LUTf gCurve (65536);
LUTf bCurve (65536);
LUTu dummy;
ToneCurve customToneCurve1, customToneCurve2;
ColorAppearance customColCurve1;
ColorAppearance customColCurve2;
ColorAppearance customColCurve3;
ipf.g = gamma;
ipf.iGamma = true;
CurveFactory::complexCurve (expcomp, black/65535.0, hlcompr, hlcomprthresh,
params.toneCurve.shcompr, bright, contr, ipf.g, !ipf.iGamma,
params.toneCurve.curveMode, params.toneCurve.curve,
params.toneCurve.curveMode2, params.toneCurve.curve2,
hist16, dummy, curve1, curve2, curve, dummy, customToneCurve1, customToneCurve2, 16);
CurveFactory::RGBCurve (params.rgbCurves.rcurve, rCurve, 16);
CurveFactory::RGBCurve (params.rgbCurves.gcurve, gCurve, 16);
CurveFactory::RGBCurve (params.rgbCurves.bcurve, bCurve, 16);
LabImage* labView = new LabImage (fw,fh);
CieImage* cieView = new CieImage (fw,fh);
ipf.rgbProc (baseImg, labView, curve1, curve2, curve, shmap, params.toneCurve.saturation, rCurve, gCurve, bCurve, customToneCurve1, customToneCurve2, expcomp, hlcompr, hlcomprthresh);
if (shmap)
delete shmap;
// luminance histogram update
hist16.clear();hist16C.clear();
for (int i=0; i<fh; i++)
for (int j=0; j<fw; j++){
hist16[CLIP((int)((labView->L[i][j])))]++;
hist16C=CLIP((int)sqrt(labView->a[i][j]*labView->a[i][j] + labView->b[i][j]*labView->b[i][j]));
}
// luminance processing
// ipf.EPDToneMap(labView,0,6);
bool utili=false;
bool autili=false;
bool butili=false;
bool ccutili=false;
bool cclutili=false;
CurveFactory::complexLCurve (params.labCurve.brightness, params.labCurve.contrast, params.labCurve.lcurve,
hist16, hist16, curve, dummy, 16, utili);
CurveFactory::complexsgnCurve (autili, butili, ccutili, cclutili, params.labCurve.chromaticity, params.labCurve.rstprotection,
params.labCurve.acurve, params.labCurve.bcurve,params.labCurve.cccurve,params.labCurve.lccurve, curve1, curve2, satcurve,lhskcurve,
hist16C, hist16C, dummy,
16);
//ipf.luminanceCurve (labView, labView, curve);
ipf.chromiLuminanceCurve (1,labView, labView, curve1, curve2, satcurve,lhskcurve, curve, utili, autili, butili, ccutili,cclutili, dummy);
ipf.vibrance(labView);
int begh = 0, endh = labView->H;
if((params.colorappearance.enabled && !params.colorappearance.tonecie) || !params.colorappearance.enabled) ipf.EPDToneMap(labView,5,6);
//if(!params.colorappearance.enabled){ipf.EPDToneMap(labView,5,6);}
CurveFactory::curveLightBrightColor (
params.colorappearance.curveMode, params.colorappearance.curve,
params.colorappearance.curveMode2, params.colorappearance.curve2,
params.colorappearance.curveMode3, params.colorappearance.curve3,
hist16, hist16, dummy,
hist16C, hist16C, dummy,
customColCurve1,
customColCurve2,
customColCurve3,
16);
int f_h=2,f_w=2;
float** buffer = new float*[fh];
for (int i=0; i<fh; i++)
buffer[i] = new float[fw];
bool execsharp=false;
float d;
ipf.ciecam_02float (cieView, begh, endh, 1, labView, &params,customColCurve1,customColCurve2,customColCurve3, dummy, dummy, 5, 6, (float**)buffer, execsharp, d);
for (int i=0; i<fh; i++)
delete [] buffer[i];
delete [] buffer; buffer=NULL;
// color processing
//ipf.colorCurve (labView, labView);
// obtain final image
Image8* readyImg = new Image8 (fw, fh);
ipf.lab2monitorRgb (labView, readyImg);
delete labView;
delete baseImg;
delete cieView;
// calculate scale
if (params.coarse.rotate==90 || params.coarse.rotate==270)
myscale = scale * thumbImg->width / fh;
else
myscale = scale * thumbImg->height / fh;
myscale = 1.0 / myscale;
/* // apply crop
if (params.crop.enabled) {
int ix = 0;
for (int i=0; i<fh; i++)
for (int j=0; j<fw; j++)
if (i<params.crop.y/myscale || i>(params.crop.y+params.crop.h)/myscale || j<params.crop.x/myscale || j>(params.crop.x+params.crop.w)/myscale) {
readyImg->data[ix++] /= 3;
readyImg->data[ix++] /= 3;
readyImg->data[ix++] /= 3;
}
else
ix += 3;
}*/
return readyImg;
}
int Thumbnail::getImageWidth (const procparams::ProcParams& params, int rheight, float &ratio) {
if (thumbImg==NULL) return 0; // Can happen if thumb is just building and GUI comes in with resize wishes
int rwidth;
if (params.coarse.rotate==90 || params.coarse.rotate==270) {
ratio = (float)(thumbImg->height) / (float)(thumbImg->width);
}
else {
ratio = (float)(thumbImg->width) / (float)(thumbImg->height);
}
rwidth = (int)(ratio * (float)rheight);
return rwidth;
}
void Thumbnail::getDimensions (int& w, int& h, double& scaleFac) {
if (thumbImg) {
w=thumbImg->width; h=thumbImg->height; scaleFac=scale;
} else {
w=0; h=0; scale=1;
}
}
void Thumbnail::getCamWB (double& temp, double& green) {
double cam_r = colorMatrix[0][0]*camwbRed + colorMatrix[0][1]*camwbGreen + colorMatrix[0][2]*camwbBlue;
double cam_g = colorMatrix[1][0]*camwbRed + colorMatrix[1][1]*camwbGreen + colorMatrix[1][2]*camwbBlue;
double cam_b = colorMatrix[2][0]*camwbRed + colorMatrix[2][1]*camwbGreen + colorMatrix[2][2]*camwbBlue;
ColorTemp currWB = ColorTemp (cam_r, cam_g, cam_b);
temp = currWB.getTemp ();
green = currWB.getGreen ();
}
void Thumbnail::getAutoWB (double& temp, double& green) {
temp = autowbTemp;
green = autowbGreen;
}
void Thumbnail::applyAutoExp (procparams::ProcParams& params) {
if (params.toneCurve.autoexp && aeHistogram) {
ImProcFunctions ipf (&params, false);
ipf.getAutoExp (aeHistogram, aeHistCompression, log(defGain)/log(2.0), params.toneCurve.clip, params.toneCurve.expcomp,
params.toneCurve.brightness, params.toneCurve.contrast, params.toneCurve.black, params.toneCurve.hlcompr, params.toneCurve.hlcomprthresh);
}
}
void Thumbnail::getSpotWB (const procparams::ProcParams& params, int xp, int yp, int rect, double& rtemp, double& rgreen) {
std::vector<Coord2D> points, red, green, blue;
for (int i=yp-rect; i<=yp+rect; i++)
for (int j=xp-rect; j<=xp+rect; j++)
points.push_back (Coord2D (j, i));
int fw = thumbImg->width, fh = thumbImg->height;
if (params.coarse.rotate==90 || params.coarse.rotate==270) {
fw = thumbImg->height;
fh = thumbImg->width;
}
ImProcFunctions ipf (&params, false);
ipf.transCoord (fw, fh, points, red, green, blue);
int tr = TR_NONE;
if (params.coarse.rotate==90) tr |= TR_R90;
if (params.coarse.rotate==180) tr |= TR_R180;
if (params.coarse.rotate==270) tr |= TR_R270;
if (params.coarse.hflip) tr |= TR_HFLIP;
if (params.coarse.vflip) tr |= TR_VFLIP;
// calculate spot wb (copy & pasted from stdimagesource)
double reds = 0, greens = 0, blues = 0;
int rn = 0, gn = 0, bn = 0;
thumbImg->getSpotWBData(reds, greens, blues, rn, gn, bn, red, green, blue, tr);
reds = reds/rn * camwbRed;
greens = greens/gn * camwbGreen;
blues = blues/bn * camwbBlue;
double rm = colorMatrix[0][0]*reds + colorMatrix[0][1]*greens + colorMatrix[0][2]*blues;
double gm = colorMatrix[1][0]*reds + colorMatrix[1][1]*greens + colorMatrix[1][2]*blues;
double bm = colorMatrix[2][0]*reds + colorMatrix[2][1]*greens + colorMatrix[2][2]*blues;
ColorTemp ct (rm, gm, bm);
rtemp = ct.getTemp ();
rgreen = ct.getGreen ();
}
void Thumbnail::transformPixel (int x, int y, int tran, int& tx, int& ty) {
int W = thumbImg->width;
int H = thumbImg->height;
int sw = W, sh = H;
if ((tran & TR_ROT) == TR_R90 || (tran & TR_ROT) == TR_R270) {
sw = H;
sh = W;
}
int ppx = x, ppy = y;
if (tran & TR_HFLIP)
ppx = sw - 1 - x ;
if (tran & TR_VFLIP)
ppy = sh - 1 - y;
tx = ppx;
ty = ppy;
if ((tran & TR_ROT) == TR_R180) {
tx = W - 1 - ppx;
ty = H - 1 - ppy;
}
else if ((tran & TR_ROT) == TR_R90) {
tx = ppy;
ty = H - 1 - ppx;
}
else if ((tran & TR_ROT) == TR_R270) {
tx = W - 1 - ppy;
ty = ppx;
}
tx/=scale;
ty/=scale;
}
unsigned char* Thumbnail::getGrayscaleHistEQ (int trim_width) {
if (!thumbImg)
return NULL;
if (thumbImg->width<trim_width)
return NULL;
// to utilize the 8 bit color range of the thumbnail we brighten it and apply gamma correction
unsigned char* tmpdata = new unsigned char[thumbImg->height*trim_width];
int ix = 0,max;
if (gammaCorrected) {
// if it's gamma correct (usually a RAW), we have the problem that there is a lot noise etc. that makes the maximum way too high.
// Strategy is limit a certain percent of pixels so the overall picture quality when scaling to 8 bit is way better
const double BurnOffPct=0.03; // *100 = percent pixels that may be clipped
// Calc the histogram
unsigned int* hist16 = new unsigned int [65536];
memset(hist16,0,sizeof(int)*65536);
if (thumbImg->getType() == sImage8) {
Image8 *image = static_cast<Image8*>(thumbImg);
image->calcGrayscaleHist(hist16);
}
else if (thumbImg->getType() == sImage16) {
Image16 *image = static_cast<Image16*>(thumbImg);
image->calcGrayscaleHist(hist16);
}
else if (thumbImg->getType() == sImagefloat) {
Imagefloat *image = static_cast<Imagefloat*>(thumbImg);
image->calcGrayscaleHist(hist16);
}
else {
printf("getGrayscaleHistEQ #1: Unsupported image type \"%s\"!\n", thumbImg->getType());
}
// Go down till we cut off that many pixels
unsigned long cutoff = thumbImg->height * thumbImg->height * 4 * BurnOffPct;
int max_;
unsigned long sum=0;
for (max_=65535; max_>16384 && sum<cutoff; max_--) sum+=hist16[max_];
delete[] hist16;
scaleForSave = 65535*8192 / max_;
// Correction and gamma to 8 Bit
if (thumbImg->getType() == sImage8) {
Image8 *image = static_cast<Image8*>(thumbImg);
for (int i=0; i<thumbImg->height; i++)
for (int j=(thumbImg->width-trim_width)/2; j<trim_width+(thumbImg->width-trim_width)/2; j++) {
unsigned short r_, g_, b_;
image->convertTo(image->r(i,j), r_);
image->convertTo(image->g(i,j), g_);
image->convertTo(image->b(i,j), b_);
int r= gammatab[min(r_,static_cast<unsigned short>(max_)) * scaleForSave >> 13];
int g= gammatab[min(g_,static_cast<unsigned short>(max_)) * scaleForSave >> 13];
int b= gammatab[min(b_,static_cast<unsigned short>(max_)) * scaleForSave >> 13];
tmpdata[ix++] = (r*19595+g*38469+b*7472) >> 16;
}
}
else if (thumbImg->getType() == sImage16) {
Image16 *image = static_cast<Image16*>(thumbImg);
for (int i=0; i<thumbImg->height; i++)
for (int j=(thumbImg->width-trim_width)/2; j<trim_width+(thumbImg->width-trim_width)/2; j++) {
unsigned short r_, g_, b_;
image->convertTo(image->r(i,j), r_);
image->convertTo(image->g(i,j), g_);
image->convertTo(image->b(i,j), b_);
int r= gammatab[min(r_,static_cast<unsigned short>(max_)) * scaleForSave >> 13];
int g= gammatab[min(g_,static_cast<unsigned short>(max_)) * scaleForSave >> 13];
int b= gammatab[min(b_,static_cast<unsigned short>(max_)) * scaleForSave >> 13];
tmpdata[ix++] = (r*19595+g*38469+b*7472) >> 16;
}
}
else if (thumbImg->getType() == sImagefloat) {
Imagefloat *image = static_cast<Imagefloat*>(thumbImg);
for (int i=0; i<thumbImg->height; i++)
for (int j=(thumbImg->width-trim_width)/2; j<trim_width+(thumbImg->width-trim_width)/2; j++) {
unsigned short r_, g_, b_;
image->convertTo(image->r(i,j), r_);
image->convertTo(image->g(i,j), g_);
image->convertTo(image->b(i,j), b_);
int r= gammatab[min(r_,static_cast<unsigned short>(max_)) * scaleForSave >> 13];
int g= gammatab[min(g_,static_cast<unsigned short>(max_)) * scaleForSave >> 13];
int b= gammatab[min(b_,static_cast<unsigned short>(max_)) * scaleForSave >> 13];
tmpdata[ix++] = (r*19595+g*38469+b*7472) >> 16;
}
}
}
else {
// If it's not gamma corrected (usually a JPG) we take the normal maximum
max=0;
if (thumbImg->getType() == sImage8) {
Image8 *image = static_cast<Image8*>(thumbImg);
unsigned char max_=0;
for (int row=0; row<image->height; row++)
for (int col=0; col<image->width; col++) {
if (image->r(row,col)>max_) max_ = image->r(row,col);
if (image->g(row,col)>max_) max_ = image->g(row,col);
if (image->b(row,col)>max_) max_ = image->b(row,col);
}
image->convertTo(max_, max);
if (max < 16384) max = 16384;
scaleForSave = 65535*8192 / max;
// Correction and gamma to 8 Bit
for (int i=0; i<image->height; i++)
for (int j=(image->width-trim_width)/2; j<trim_width+(image->width-trim_width)/2; j++) {
unsigned short rtmp, gtmp, btmp;
image->convertTo(image->r(i,j), rtmp);
image->convertTo(image->g(i,j), gtmp);
image->convertTo(image->b(i,j), btmp);
int r = rtmp * scaleForSave >> 21;
int g = gtmp * scaleForSave >> 21;
int b = btmp * scaleForSave >> 21;
tmpdata[ix++] = (r*19595+g*38469+b*7472)>>16;
}
}
else if (thumbImg->getType() == sImage16) {
Image16 *image = static_cast<Image16*>(thumbImg);
unsigned short max_=0;
for (int row=0; row<image->height; row++)
for (int col=0; col<image->width; col++) {
if (image->r(row,col)>max_) max_ = image->r(row,col);
if (image->g(row,col)>max_) max_ = image->g(row,col);
if (image->b(row,col)>max_) max_ = image->b(row,col);
}
image->convertTo(max_, max);
if (max < 16384) max = 16384;
scaleForSave = 65535*8192 / max;
// Correction and gamma to 8 Bit
for (int i=0; i<image->height; i++)
for (int j=(image->width-trim_width)/2; j<trim_width+(image->width-trim_width)/2; j++) {
unsigned short rtmp, gtmp, btmp;
image->convertTo(image->r(i,j), rtmp);
image->convertTo(image->g(i,j), gtmp);
image->convertTo(image->b(i,j), btmp);
int r = rtmp * scaleForSave >> 21;
int g = gtmp * scaleForSave >> 21;
int b = btmp * scaleForSave >> 21;
tmpdata[ix++] = (r*19595+g*38469+b*7472)>>16;
}
}
else if (thumbImg->getType() == sImagefloat) {
Imagefloat *image = static_cast<Imagefloat*>(thumbImg);
float max_=0.f;
for (int row=0; row<image->height; row++)
for (int col=0; col<image->width; col++) {
if (image->r(row,col)>max_) max_ = image->r(row,col);
if (image->g(row,col)>max_) max_ = image->g(row,col);
if (image->b(row,col)>max_) max_ = image->b(row,col);
}
image->convertTo(max_, max);
if (max < 16384) max = 16384;
scaleForSave = 65535*8192 / max;
// Correction and gamma to 8 Bit
for (int i=0; i<image->height; i++)
for (int j=(image->width-trim_width)/2; j<trim_width+(image->width-trim_width)/2; j++) {
unsigned short rtmp, gtmp, btmp;
image->convertTo(image->r(i,j), rtmp);
image->convertTo(image->g(i,j), gtmp);
image->convertTo(image->b(i,j), btmp);
int r = rtmp * scaleForSave >> 21;
int g = gtmp * scaleForSave >> 21;
int b = btmp * scaleForSave >> 21;
tmpdata[ix++] = (r*19595+g*38469+b*7472)>>16;
}
}
else {
printf("getGrayscaleHistEQ #2: Unsupported image type \"%s\"!\n", thumbImg->getType());
}
}
// histogram equalization
unsigned int hist[256] = {0};
for (int i=0; i<ix; i++) {
hist[tmpdata[i]]++;
}
int cdf = 0, cdf_min=-1;
for (int i=0; i<256; i++) {
cdf+=hist[i];
if (cdf>0 && cdf_min==-1) {
cdf_min=cdf;
}
if (cdf_min!=-1) {
hist[i] = (cdf-cdf_min)*255/((thumbImg->height*trim_width)-cdf_min);
}
}
for (int i=0; i<ix; i++) {
tmpdata[i] = hist[tmpdata[i]];
}
return tmpdata;
}
bool Thumbnail::writeImage (const Glib::ustring& fname, int format) {
if (!thumbImg)
return false;
Glib::ustring fullFName = fname+".rtti";
FILE* f = safe_g_fopen (fullFName, "wb");
if (!f)
return false;
fwrite (thumbImg->getType(), sizeof (char), strlen(thumbImg->getType()), f);
fputc ('\n', f);
guint32 w = guint32(thumbImg->width);
guint32 h = guint32(thumbImg->height);
fwrite (&w, sizeof (guint32), 1, f);
fwrite (&h, sizeof (guint32), 1, f);
if (thumbImg->getType() == sImage8) {
Image8 *image = static_cast<Image8*>(thumbImg);
image->writeData(f);
}
else if (thumbImg->getType() == sImage16) {
Image16 *image = static_cast<Image16*>(thumbImg);
image->writeData(f);
}
else if (thumbImg->getType() == sImagefloat) {
Imagefloat *image = static_cast<Imagefloat*>(thumbImg);
image->writeData(f);
}
//thumbImg->writeData(f);
fclose (f);
return true;
}
bool Thumbnail::readImage (const Glib::ustring& fname) {
if (thumbImg) {
delete thumbImg;
thumbImg = NULL;
}
Glib::ustring fullFName = fname+".rtti";
if (!safe_file_test (fullFName, Glib::FILE_TEST_EXISTS))
return false;
FILE* f = safe_g_fopen (fullFName, "rb");
if (!f)
return false;
char imgType[31]; // 30 -> arbitrary size, but should be enough for all image type's name
fgets(imgType, 30, f);
imgType[strlen(imgType)-1] = '\0'; // imgType has a \n trailing character, so we overwrite it by the \0 char
guint32 width, height;
fread (&width, 1, sizeof (guint32), f);
fread (&height, 1, sizeof (guint32), f);
bool success = false;
if (!strcmp(imgType, sImage8)) {
Image8 *image = new Image8(width, height);
image->readData(f);
thumbImg = image;
success = true;
}
else if (!strcmp(imgType, sImage16)) {
Image16 *image = new Image16(width, height);
image->readData(f);
thumbImg = image;
success = true;
}
else if (!strcmp(imgType, sImagefloat)) {
Imagefloat *image = new Imagefloat(width, height);
image->readData(f);
thumbImg = image;
success = true;
}
else {
printf("readImage: Unsupported image type \"%s\"!\n", imgType);
}
fclose(f);
return success;
}
bool Thumbnail::readData (const Glib::ustring& fname) {
SafeKeyFile keyFile;
try {
Glib::Mutex::Lock thmbLock(thumbMutex);
if (!keyFile.load_from_file (fname))
return false;
if (keyFile.has_group ("LiveThumbData")) {
if (keyFile.has_key ("LiveThumbData", "CamWBRed")) camwbRed = keyFile.get_double ("LiveThumbData", "CamWBRed");
if (keyFile.has_key ("LiveThumbData", "CamWBGreen")) camwbGreen = keyFile.get_double ("LiveThumbData", "CamWBGreen");
if (keyFile.has_key ("LiveThumbData", "CamWBBlue")) camwbBlue = keyFile.get_double ("LiveThumbData", "CamWBBlue");
if (keyFile.has_key ("LiveThumbData", "AutoWBTemp")) autowbTemp = keyFile.get_double ("LiveThumbData", "AutoWBTemp");
if (keyFile.has_key ("LiveThumbData", "AutoWBGreen")) autowbGreen = keyFile.get_double ("LiveThumbData", "AutoWBGreen");
if (keyFile.has_key ("LiveThumbData", "AEHistCompression")) aeHistCompression = keyFile.get_integer ("LiveThumbData", "AEHistCompression");
if (keyFile.has_key ("LiveThumbData", "RedMultiplier")) redMultiplier = keyFile.get_double ("LiveThumbData", "RedMultiplier");
if (keyFile.has_key ("LiveThumbData", "GreenMultiplier")) greenMultiplier = keyFile.get_double ("LiveThumbData", "GreenMultiplier");
if (keyFile.has_key ("LiveThumbData", "BlueMultiplier")) blueMultiplier = keyFile.get_double ("LiveThumbData", "BlueMultiplier");
if (keyFile.has_key ("LiveThumbData", "Scale")) scale = keyFile.get_double ("LiveThumbData", "Scale");
if (keyFile.has_key ("LiveThumbData", "DefaultGain")) defGain = keyFile.get_double ("LiveThumbData", "DefaultGain");
if (keyFile.has_key ("LiveThumbData", "ScaleForSave")) scaleForSave = keyFile.get_integer ("LiveThumbData", "ScaleForSave");
if (keyFile.has_key ("LiveThumbData", "GammaCorrected")) gammaCorrected = keyFile.get_boolean ("LiveThumbData", "GammaCorrected");
if (keyFile.has_key ("LiveThumbData", "ColorMatrix")) {
std::vector<double> cm = keyFile.get_double_list ("LiveThumbData", "ColorMatrix");
int ix = 0;
for (int i=0; i<3; i++)
for (int j=0; j<3; j++)
colorMatrix[i][j] = cm[ix++];
}
}
}
catch (Glib::Error &err) {
return false;
}
return true;
}
bool Thumbnail::writeData (const Glib::ustring& fname) {
SafeKeyFile keyFile;
Glib::Mutex::Lock thmbLock(thumbMutex);
try {
if( safe_file_test(fname,Glib::FILE_TEST_EXISTS) )
keyFile.load_from_file (fname);
} catch (...) {}
keyFile.set_double ("LiveThumbData", "CamWBRed", camwbRed);
keyFile.set_double ("LiveThumbData", "CamWBGreen", camwbGreen);
keyFile.set_double ("LiveThumbData", "CamWBBlue", camwbBlue);
keyFile.set_double ("LiveThumbData", "AutoWBTemp", autowbTemp);
keyFile.set_double ("LiveThumbData", "AutoWBGreen", autowbGreen);
keyFile.set_integer ("LiveThumbData", "AEHistCompression", aeHistCompression);
keyFile.set_double ("LiveThumbData", "RedMultiplier", redMultiplier);
keyFile.set_double ("LiveThumbData", "GreenMultiplier", greenMultiplier);
keyFile.set_double ("LiveThumbData", "BlueMultiplier", blueMultiplier);
keyFile.set_double ("LiveThumbData", "Scale", scale);
keyFile.set_double ("LiveThumbData", "DefaultGain", defGain);
keyFile.set_integer ("LiveThumbData", "ScaleForSave", scaleForSave);
keyFile.set_boolean ("LiveThumbData", "GammaCorrected", gammaCorrected);
Glib::ArrayHandle<double> cm ((double*)colorMatrix, 9, Glib::OWNERSHIP_NONE);
keyFile.set_double_list ("LiveThumbData", "ColorMatrix", cm);
FILE *f = safe_g_fopen (fname, "wt");
if (!f)
return false;
else {
fprintf (f, "%s", keyFile.to_data().c_str());
fclose (f);
}
return true;
}
bool Thumbnail::readEmbProfile (const Glib::ustring& fname) {
FILE* f = safe_g_fopen (fname, "rb");
if (!f) {
embProfileData = NULL;
embProfile = NULL;
embProfileLength = 0;
}
else {
fseek (f, 0, SEEK_END);
embProfileLength = ftell (f);
fseek (f, 0, SEEK_SET);
embProfileData = new unsigned char[embProfileLength];
fread (embProfileData, 1, embProfileLength, f);
fclose (f);
embProfile = cmsOpenProfileFromMem (embProfileData, embProfileLength);
return true;
}
return false;
}
bool Thumbnail::writeEmbProfile (const Glib::ustring& fname) {
if (embProfileData) {
FILE* f = safe_g_fopen(fname, "wb");
if (f) {
fwrite (embProfileData, 1, embProfileLength, f);
fclose (f);
return true;
}
}
return false;
}
bool Thumbnail::readAEHistogram (const Glib::ustring& fname) {
FILE* f = safe_g_fopen (fname, "rb");
if (!f)
aeHistogram(0);
else {
aeHistogram(65536>>aeHistCompression);
fread (&aeHistogram[0], 1, (65536>>aeHistCompression)*sizeof(aeHistogram[0]), f);
fclose (f);
return true;
}
return false;
}
bool Thumbnail::writeAEHistogram (const Glib::ustring& fname) {
if (aeHistogram) {
FILE* f = safe_g_fopen (fname, "wb");
if (f) {
fwrite (&aeHistogram[0], 1, (65536>>aeHistCompression)*sizeof(aeHistogram[0]), f);
fclose (f);
return true;
}
}
return false;
}
}
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