Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/Deprecated/Widgets/PanZoomMouseTracker.h @ 1513:24068dd8c445

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 07 Jul 2020 16:28:52 +0200
parents 244ad1e4e76a
children
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457
3b4df9925db6 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
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #pragma once
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23
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24 #include "WorldSceneWidget.h"
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25
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26 namespace Deprecated
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27 {
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28 class PanZoomMouseTracker : public IWorldSceneMouseTracker
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29 {
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30 private:
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31 WorldSceneWidget& that_;
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32 std::vector<Touch> originalSceneTouches_;
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33 Touch originalSceneCenter_;
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34 Touch originalDisplayCenter_;
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35 double originalPanX_;
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36 double originalPanY_;
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37 double originalZoom_;
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38 double originalDisplayDistanceBetweenTouches_;
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39 bool idle_;
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40 double normalization_;
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41
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42 public:
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43 PanZoomMouseTracker(WorldSceneWidget& that,
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44 const std::vector<Touch>& startTouches);
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45
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46 virtual bool HasRender() const
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47 {
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48 return false;
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49 }
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50
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51 virtual void MouseUp()
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52 {
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53 }
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54
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55 virtual void Render(OrthancStone::CairoContext& context,
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56 double zoom);
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57
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58 virtual void MouseMove(int displayX,
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59 int displayY,
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60 double x,
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61 double y,
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62 const std::vector<Touch>& displayTouches,
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63 const std::vector<Touch>& sceneTouches);
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64 };
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65 }