liz/rawTherapee
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rawTherapee/rtgui/navigator.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 <iomanip>
#include "navigator.h"
#include "toolpanel.h"
#include "../rtengine/iccmatrices.h"
#include "../rtengine/iccstore.h"
#include "../rtengine/curves.h"
#include "../rtengine/color.h"
#include "../rtengine/rt_math.h"
using namespace rtengine;
Navigator::Navigator () {
set_label (M("MAIN_MSG_NAVIGATOR"));
Gtk::VBox* mbox = Gtk::manage (new Gtk::VBox ());
previewWindow = Gtk::manage (new PreviewWindow ());
mbox->pack_start (*previewWindow, Gtk::PACK_SHRINK, 2);
position = Gtk::manage (new Gtk::Label ());
mbox->pack_start (*position, Gtk::PACK_SHRINK, 2);
R = Gtk::manage (new Gtk::Label ());
G = Gtk::manage (new Gtk::Label ());
B = Gtk::manage (new Gtk::Label ());
H = Gtk::manage (new Gtk::Label ());
S = Gtk::manage (new Gtk::Label ());
V = Gtk::manage (new Gtk::Label ());
LAB_A = Gtk::manage (new Gtk::Label ());
LAB_B = Gtk::manage (new Gtk::Label ());
LAB_L = Gtk::manage (new Gtk::Label ());
Gtk::Table* table = Gtk::manage (new Gtk::Table (3, 3));
table->attach (*R, 0, 1, 0, 1, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
table->attach (*G, 0, 1, 1, 2, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
table->attach (*B, 0, 1, 2, 3, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
table->attach (*H, 1, 2, 0, 1, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
table->attach (*S, 1, 2, 1, 2, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
table->attach (*V, 1, 2, 2, 3, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
table->attach (*LAB_L, 2, 3, 0, 1, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
table->attach (*LAB_A, 2, 3, 1, 2, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
table->attach (*LAB_B, 2, 3, 2, 3, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
mbox->pack_start (*table, Gtk::PACK_SHRINK, 2);
add (*mbox);
setInvalid ();
show_all ();
}
void Navigator::setInvalid (int fullWidth, int fullHeight) {
if (fullWidth>0 && fullHeight>0)
position->set_text (Glib::ustring::compose (M("NAVIGATOR_XY_FULL"),fullWidth,fullHeight));
else
position->set_text (M("NAVIGATOR_XY_NA"));
R->set_text (M("NAVIGATOR_R_NA"));
G->set_text (M("NAVIGATOR_G_NA"));
B->set_text (M("NAVIGATOR_B_NA"));
H->set_text (M("NAVIGATOR_H_NA"));
S->set_text (M("NAVIGATOR_S_NA"));
V->set_text (M("NAVIGATOR_V_NA"));
LAB_A->set_text (M("NAVIGATOR_LAB_A_NA"));
LAB_B->set_text (M("NAVIGATOR_LAB_B_NA"));
LAB_L->set_text (M("NAVIGATOR_LAB_L_NA"));
}
// if !validPos then x/y contain the full image size
void Navigator::pointerMoved (bool validPos, Glib::ustring profile, int x, int y, int r, int g, int b) {
if (!validPos)
setInvalid (x,y);
else {
position->set_text (Glib::ustring::compose ("x = %1, y = %2", x, y));
R->set_text (Glib::ustring::compose (M("NAVIGATOR_R_VALUE"), Glib::ustring::format(std::fixed, std::setprecision(1), r*100.f/255.f) + Glib::ustring("%")));
G->set_text (Glib::ustring::compose (M("NAVIGATOR_G_VALUE"), Glib::ustring::format(std::fixed, std::setprecision(1), g*100.f/255.f) + Glib::ustring("%")));
B->set_text (Glib::ustring::compose (M("NAVIGATOR_B_VALUE"), Glib::ustring::format(std::fixed, std::setprecision(1), b*100.f/255.f) + Glib::ustring("%")));
float h, s, v;
Color::rgb2hsv (r*0xffff/0xff, g*0xffff/0xff, b*0xffff/0xff, h, s, v);
H->set_text (Glib::ustring::compose (M("NAVIGATOR_H_VALUE"), Glib::ustring::format(std::fixed, std::setprecision(1), h*360.f) + Glib::ustring("\xc2\xb0")));
S->set_text (Glib::ustring::compose (M("NAVIGATOR_S_VALUE"), Glib::ustring::format(std::fixed, std::setprecision(1), s*100.f) + Glib::ustring("%")));
V->set_text (Glib::ustring::compose (M("NAVIGATOR_V_VALUE"), Glib::ustring::format(std::fixed, std::setprecision(1), v*100.f) + Glib::ustring("%")));
float LAB_a, LAB_b, LAB_l;
//rgb2lab (r, g, b, LAB_l, LAB_a, LAB_b);
rgb2lab (profile, r, g, b, LAB_l, LAB_a, LAB_b); // TODO: Really sure this function works?
LAB_A->set_text (Glib::ustring::compose (M("NAVIGATOR_LAB_A_VALUE"), Glib::ustring::format(std::fixed, std::setprecision(1), LAB_a)));
LAB_B->set_text (Glib::ustring::compose (M("NAVIGATOR_LAB_B_VALUE"), Glib::ustring::format(std::fixed, std::setprecision(1), LAB_b)));
LAB_L->set_text (Glib::ustring::compose (M("NAVIGATOR_LAB_L_VALUE"), Glib::ustring::format(std::fixed, std::setprecision(1), LAB_l)));
}
}
void Navigator::rgb2lab (Glib::ustring profile, int r, int g, int b, float &LAB_l, float &LAB_a, float &LAB_b) {
double xyz_rgb[3][3];
const double ep=216.0/24389.0;
const double ka=24389.0/27.0;
double var_R = r / 255.0;
double var_G = g / 255.0;
double var_B = b / 255.0;
if (profile=="sRGB") {//apply sRGB inverse gamma
//
// if you want display = working space
// today as the gamma output can not be configured
// it is better that the user has the gamma of the output space
if ( var_R > 0.04045 )
var_R = pow ( ( ( var_R + 0.055 ) / 1.055 ), rtengine::Color::sRGBGammaCurve);
else
var_R = var_R / 12.92;
if ( var_G > 0.04045 )
var_G = pow ( ( ( var_G + 0.055 ) / 1.055 ), rtengine::Color::sRGBGammaCurve);
else
var_G = var_G / 12.92;
if ( var_B > 0.04045 )
var_B = pow ( ( ( var_B + 0.055 ) / 1.055 ), rtengine::Color::sRGBGammaCurve);
else
var_B = var_B / 12.92;
}
// if you want display = output space
else
if (profile=="ProPhoto") {// apply inverse gamma 1.8
var_R = pow ( var_R, 1.8);
var_G = pow ( var_G, 1.8);
var_B = pow ( var_B, 1.8);
}
else {// apply inverse gamma 2.2
var_R = pow ( var_R, 2.2);
var_G = pow ( var_G, 2.2);
var_B = pow ( var_B, 2.2);
}
/*for (int i=0; i<numprofiles; i++) {
if (profile==wpnames[i]) {
for (int m=0; m<3; m++)
for (int n=0; n<3; n++) {
xyz_rgb[m][n] = wprofiles[i][m][n];
}
break;
}
}*/
TMatrix wprof = rtengine::ICCStore::getInstance()->workingSpaceMatrix (profile);
for (int m=0; m<3; m++)
for (int n=0; n<3; n++) {
xyz_rgb[m][n] = wprof[m][n];
}
double varxx,varyy,varzz;
double var_X = ( xyz_rgb[0][0]*var_R + xyz_rgb[0][1]*var_G + xyz_rgb[0][2]*var_B ) / Color::D50x;
double var_Y = ( xyz_rgb[1][0]*var_R + xyz_rgb[1][1]*var_G + xyz_rgb[1][2]*var_B ) ;
double var_Z = ( xyz_rgb[2][0]*var_R + xyz_rgb[2][1]*var_G + xyz_rgb[2][2]*var_B ) / Color::D50z;
varxx = var_X>ep?cbrt(var_X):( ka * var_X + 16.0) / 116.0 ;
varyy = var_Y>ep?cbrt(var_Y):( ka * var_Y + 16.0) / 116.0 ;
varzz = var_Z>ep?cbrt(var_Z):( ka * var_Z + 16.0) / 116.0 ;
LAB_l = ( 116 * varyy ) - 16;
LAB_a = 500 * ( varxx - varyy );
LAB_b = 200 * ( varyy - varzz );
}
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