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Emil Martinec
233
rtgui/navigator.cc
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233
rtgui/navigator.cc
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/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <navigator.h>
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#include <toolpanel.h>
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#include <iccmatrices.h> // from rtengine
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#include <iccstore.h>
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#include <curves.h>
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#define D50x 0.96422
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#define D50z 0.82521
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Navigator::Navigator () {
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set_label (M("MAIN_MSG_NAVIGATOR"));
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Gtk::VBox* mbox = Gtk::manage (new Gtk::VBox ());
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previewWindow = Gtk::manage (new PreviewWindow ());
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mbox->pack_start (*previewWindow, Gtk::PACK_SHRINK, 2);
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position = Gtk::manage (new Gtk::Label ());
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mbox->pack_start (*position, Gtk::PACK_SHRINK, 2);
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R = Gtk::manage (new Gtk::Label ());
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G = Gtk::manage (new Gtk::Label ());
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B = Gtk::manage (new Gtk::Label ());
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H = Gtk::manage (new Gtk::Label ());
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S = Gtk::manage (new Gtk::Label ());
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V = Gtk::manage (new Gtk::Label ());
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LAB_A = Gtk::manage (new Gtk::Label ());
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LAB_B = Gtk::manage (new Gtk::Label ());
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LAB_L = Gtk::manage (new Gtk::Label ());
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Gtk::Table* table = Gtk::manage (new Gtk::Table (3, 3));
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table->attach (*R, 0, 1, 0, 1, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
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table->attach (*G, 0, 1, 1, 2, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
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table->attach (*B, 0, 1, 2, 3, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
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table->attach (*H, 1, 2, 0, 1, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
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table->attach (*S, 1, 2, 1, 2, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
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table->attach (*V, 1, 2, 2, 3, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
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table->attach (*LAB_L, 2, 3, 0, 1, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
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table->attach (*LAB_A, 2, 3, 1, 2, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
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table->attach (*LAB_B, 2, 3, 2, 3, Gtk::EXPAND, Gtk::SHRINK, 0, 0);
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mbox->pack_start (*table, Gtk::PACK_SHRINK, 2);
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add (*mbox);
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setInvalid ();
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show_all ();
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}
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void Navigator::setInvalid () {
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position->set_text (M("NAVIGATOR_XY_NA"));
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R->set_text (M("NAVIGATOR_R_NA"));
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G->set_text (M("NAVIGATOR_G_NA"));
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B->set_text (M("NAVIGATOR_B_NA"));
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H->set_text (M("NAVIGATOR_H_NA"));
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S->set_text (M("NAVIGATOR_S_NA"));
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V->set_text (M("NAVIGATOR_V_NA"));
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LAB_A->set_text (M("NAVIGATOR_LAB_A_NA"));
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LAB_B->set_text (M("NAVIGATOR_LAB_B_NA"));
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LAB_L->set_text (M("NAVIGATOR_LAB_L_NA"));
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}
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void Navigator::pointerMoved (bool validPos, Glib::ustring profile, int x, int y, int r, int g, int b) {
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if (!validPos)
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setInvalid ();
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else {
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position->set_text (Glib::ustring::compose ("x = %1, y = %2", x, y));
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R->set_text (Glib::ustring::compose (M("NAVIGATOR_R_VALUE"), r));
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G->set_text (Glib::ustring::compose (M("NAVIGATOR_G_VALUE"), g));
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B->set_text (Glib::ustring::compose (M("NAVIGATOR_B_VALUE"), b));
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int h, s, v;
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rgb2hsv (r, g, b, h, s, v);
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H->set_text (Glib::ustring::compose (M("NAVIGATOR_H_VALUE"), h));
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S->set_text (Glib::ustring::compose (M("NAVIGATOR_S_VALUE"), s));
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V->set_text (Glib::ustring::compose (M("NAVIGATOR_V_VALUE"), v));
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int LAB_a, LAB_b, LAB_l;
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//rgb2lab (r, g, b, LAB_l, LAB_a, LAB_b);
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rgb2lab (profile, r, g, b, LAB_l, LAB_a, LAB_b);
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LAB_A->set_text (Glib::ustring::compose (M("NAVIGATOR_LAB_A_VALUE"), LAB_a));
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LAB_B->set_text (Glib::ustring::compose (M("NAVIGATOR_LAB_B_VALUE"), LAB_b));
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LAB_L->set_text (Glib::ustring::compose (M("NAVIGATOR_LAB_L_VALUE"), LAB_l));
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}
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}
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void Navigator::rgb2hsv (int r, int g, int b, int &h, int &s, int &v) {
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volatile double var_R = r / 255.0;
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volatile double var_G = g / 255.0;
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volatile double var_B = b / 255.0;
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/*volatile double var_Min = MIN(MIN(var_R,var_G),var_B);
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volatile double var_Max = MAX(MAX(var_R,var_G),var_B);
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double del_Max = var_Max - var_Min;
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double V = (var_Max + var_Min) / 2;
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double H, S;
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if (fabs(del_Max)<0.0000001) {
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H = 0;
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S = 0;
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}
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else {
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if (V < 0.5) S = del_Max / (var_Max + var_Min);
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else S = del_Max / (2 - var_Max - var_Min);
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double del_R = ( ( ( var_Max - var_R ) / 6.0 ) + ( del_Max / 2.0 ) ) / del_Max;
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double del_G = ( ( ( var_Max - var_G ) / 6.0 ) + ( del_Max / 2.0 ) ) / del_Max;
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double del_B = ( ( ( var_Max - var_B ) / 6.0 ) + ( del_Max / 2.0 ) ) / del_Max;
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if ( var_R == var_Max ) H = del_B - del_G;
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else if ( var_G == var_Max ) H = (1.0 / 3.0) + del_R - del_B;
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else if ( var_B == var_Max ) H = (2.0 / 3.0) + del_G - del_R;
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if ( H < 0 ) H += 1;
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if ( H > 1 ) H -= 1;
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}*/
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double var_Min = MIN(MIN(var_R,var_G),var_B);
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double var_Max = MAX(MAX(var_R,var_G),var_B);
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double del_Max = var_Max - var_Min;
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double V = var_Max;
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double H, S;
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if (fabs(del_Max)<0.001) {
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H = 0;
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S = 0;
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}
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else {
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S = del_Max/var_Max;
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if ( var_R == var_Max ) H = (var_G - var_B)/del_Max;
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else if ( var_G == var_Max ) H = 2.0 + (var_B - var_R)/del_Max;
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else if ( var_B == var_Max ) H = 4.0 + (var_R - var_G)/del_Max;
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H /= 6.0;
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if ( H < 0 ) H += 1;
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if ( H > 1 ) H -= 1;
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}
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h = (int)(H*255.0);
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s = (int)(S*255.0);
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v = (int)(V*255.0);
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}
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void Navigator::rgb2lab (Glib::ustring profile, int r, int g, int b, int &LAB_l, int &LAB_a, int &LAB_b) {
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double xyz_rgb[3][3];
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double ep=216.0/24389.0;
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double ka=24389.0/27.0;
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double var_R = r / 255.0;
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double var_G = g / 255.0;
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double var_B = b / 255.0;
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if (profile=="sRGB") {//apply sRGB inverse gamma
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//
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// if you want display = working space
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// today as the gamma output can not be configured
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// it is better that the user has the gamma of the output space
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if ( var_R > 0.04045 )
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var_R = pow ( ( ( var_R + 0.055 ) / 1.055 ), rtengine::CurveFactory::sRGBGammaCurve);
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else
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var_R = var_R / 12.92;
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if ( var_G > 0.04045 )
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var_G = pow ( ( ( var_G + 0.055 ) / 1.055 ), rtengine::CurveFactory::sRGBGammaCurve);
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else
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var_G = var_G / 12.92;
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if ( var_B > 0.04045 )
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var_B = pow ( ( ( var_B + 0.055 ) / 1.055 ), rtengine::CurveFactory::sRGBGammaCurve);
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else
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var_B = var_B / 12.92;
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}
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// if you want display = output space
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else
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if (profile=="ProPhoto") {// apply inverse gamma 1.8
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var_R = pow ( var_R, 1.8);
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var_G = pow ( var_G, 1.8);
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var_B = pow ( var_B, 1.8);
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}
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else {// apply inverse gamma 2.2
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var_R = pow ( var_R, 2.2);
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var_G = pow ( var_G, 2.2);
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var_B = pow ( var_B, 2.2);
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}
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/*for (int i=0; i<numprofiles; i++) {
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if (profile==wpnames[i]) {
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for (int m=0; m<3; m++)
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for (int n=0; n<3; n++) {
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xyz_rgb[m][n] = wprofiles[i][m][n];
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}
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break;
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}
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}*/
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TMatrix wprof = rtengine::ICCStore::getInstance()->workingSpaceMatrix (profile);
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for (int m=0; m<3; m++)
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for (int n=0; n<3; n++) {
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xyz_rgb[m][n] = wprof[m][n];
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}
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double varxx,varyy,varzz;
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double var_X = ( xyz_rgb[0][0]*var_R + xyz_rgb[0][1]*var_G + xyz_rgb[0][2]*var_B ) / D50x;
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double var_Y = ( xyz_rgb[1][0]*var_R + xyz_rgb[1][1]*var_G + xyz_rgb[1][2]*var_B ) ;
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double var_Z = ( xyz_rgb[2][0]*var_R + xyz_rgb[2][1]*var_G + xyz_rgb[2][2]*var_B ) / D50z;
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varxx = var_X>ep?pow (var_X, 1.0/3.0):( ka * var_X + 16.0) / 116.0 ;
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varyy = var_Y>ep?pow (var_Y, 1.0/3.0):( ka * var_Y + 16.0) / 116.0 ;
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varzz = var_Z>ep?pow (var_Z, 1.0/3.0):( ka * var_Z + 16.0) / 116.0 ;
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LAB_l = ( 116 * varyy ) - 16;
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LAB_a = 500 * ( varxx - varyy );
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LAB_b = 200 * ( varyy - varzz );
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}
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