116 lines
3.9 KiB
C++
116 lines
3.9 KiB
C++
/*
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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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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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Gtk::Table* table = new Gtk::Table (3, 2);
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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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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 ("x = n/a, y = n/a");
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R->set_text ("R = n/a");
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G->set_text ("G = n/a");
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B->set_text ("B = n/a");
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H->set_text ("H = n/a");
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S->set_text ("S = n/a");
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V->set_text ("V = n/a");
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}
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void Navigator::pointerMoved (bool validPos, 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 ("R = %1", r));
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G->set_text (Glib::ustring::compose ("G = %1", g));
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B->set_text (Glib::ustring::compose ("B = %1", 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 ("H = %1", h));
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S->set_text (Glib::ustring::compose ("S = %1", s));
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V->set_text (Glib::ustring::compose ("V = %1", v));
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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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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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