Mercurial > hg > orthanc-stone
comparison Framework/Widgets/PanZoomMouseTracker.h @ 457:3b4df9925db6 am-touch-events
added support for 'touch' in mouse trackers. This is still a bit hacky and we need to refactor it to make it clean. Thanks to that, Pan and zoom are available together with 2 touches
| author | Alain Mazy <alain@mazy.be> |
|---|---|
| date | Thu, 24 Jan 2019 16:42:27 +0100 |
| parents | |
| children | 4f2416d519b4 |
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| 456:b70fcc134ba4 | 457:3b4df9925db6 |
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| 1 /** | |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 5 * Copyright (C) 2017-2019 Osimis S.A., Belgium | |
| 6 * | |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Affero General Public License | |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #pragma once | |
| 23 | |
| 24 #include "WorldSceneWidget.h" | |
| 25 | |
| 26 namespace OrthancStone | |
| 27 { | |
| 28 class PanZoomMouseTracker : public IWorldSceneMouseTracker | |
| 29 { | |
| 30 private: | |
| 31 WorldSceneWidget& that_; | |
| 32 std::vector<Touch> originalSceneTouches_; | |
| 33 Touch originalSceneCenter_; | |
| 34 Touch originalDisplayCenter_; | |
| 35 double originalPanX_; | |
| 36 double originalPanY_; | |
| 37 double originalZoom_; | |
| 38 double originalDisplayDistanceBetweenTouches_; | |
| 39 bool idle_; | |
| 40 double normalization_; | |
| 41 | |
| 42 public: | |
| 43 PanZoomMouseTracker(WorldSceneWidget& that, | |
| 44 const std::vector<Touch>& startTouches); | |
| 45 | |
| 46 virtual bool HasRender() const | |
| 47 { | |
| 48 return false; | |
| 49 } | |
| 50 | |
| 51 virtual void MouseUp() | |
| 52 { | |
| 53 } | |
| 54 | |
| 55 virtual void Render(CairoContext& context, | |
| 56 double zoom); | |
| 57 | |
| 58 virtual void MouseMove(int displayX, | |
| 59 int displayY, | |
| 60 double x, | |
| 61 double y, | |
| 62 const std::vector<Touch>& displayTouches, | |
| 63 const std::vector<Touch>& sceneTouches); | |
| 64 }; | |
| 65 } |