liz/rawTherapee
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rawTherapee/rtgui/navigator.cc
Hombre 8b2eac9a3d Pipette and "On Preview Widgets" branch. See issue 227 
The pipette part is already working quite nice but need to be finished. The widgets part needs more work...
2014-01-21 23:37:36 +01:00

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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("%")));
int 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"), LAB_a));
LAB_B->set_text (Glib::ustring::compose (M("NAVIGATOR_LAB_B_VALUE"), LAB_b));
LAB_L->set_text (Glib::ustring::compose (M("NAVIGATOR_LAB_L_VALUE"), LAB_l));
}
}
void Navigator::rgb2lab (Glib::ustring profile, int r, int g, int b, int &LAB_l, int &LAB_a, int &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?pow (var_X, 1.0/3.0):( ka * var_X + 16.0) / 116.0 ;
varyy = var_Y>ep?pow (var_Y, 1.0/3.0):( ka * var_Y + 16.0) / 116.0 ;
varzz = var_Z>ep?pow (var_Z, 1.0/3.0):( 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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