1 /*
2  Copyright (C) 2010-2014 Kristian Duske
3 
4  This file is part of TrenchBroom.
5 
6  TrenchBroom is free software: you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10 
11  TrenchBroom is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  GNU General Public License for more details.
15 
16  You should have received a copy of the GNU General Public License
17  along with TrenchBroom. If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #include "FlashSelectionAnimation.h"
21 
22 #include "Color.h"
23 #include "PreferenceManager.h"
24 #include "Preferences.h"
25 #include "Renderer/MapRenderer.h"
26 
27 #include <wx/window.h>
28 
29 namespace TrenchBroom {
30     namespace View {
31         const Animation::Type FlashSelectionAnimation::AnimationType = Animation::freeType();
32 
FlashSelectionAnimation(Renderer::MapRenderer & renderer,wxWindow & view,const wxLongLong duration)33         FlashSelectionAnimation::FlashSelectionAnimation(Renderer::MapRenderer& renderer, wxWindow& view, const wxLongLong duration) :
34         Animation(AnimationType, Curve_EaseInEaseOut, duration),
35         m_renderer(renderer),
36         m_view(view) {}
37 
doUpdate(const double progress)38         void FlashSelectionAnimation::doUpdate(const double progress) {
39             static const Color white(1.0f, 1.0f, 1.0f, 1.0f);
40 
41             const float fltProgress = static_cast<float>(progress);
42             if (fltProgress < 1.0f) {
43                 // factor ranges from 0 to 1 and then back to 0
44                 const float factor = fltProgress < 0.5f ? 2.0f * fltProgress : 1.0f - 2.0f * (fltProgress - 0.5f);
45                 m_renderer.overrideSelectionColors(white, factor * 0.8f);
46             } else {
47                 m_renderer.restoreSelectionColors();
48             }
49 
50             m_view.Refresh();
51         }
52     }
53 }
54