Mercurial > hg > orthanc-stone
annotate Framework/Scene2D/ZoomSceneTracker.h @ 1386:dfb48f0794b1
Ongoing splitting SDL vs WASM (preparing RtViewer WASM)
author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Mon, 27 Apr 2020 16:48:19 +0200 |
parents | ab81ee8fce1f |
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596 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
596 | 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 | |
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24 |
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25 #include "../Scene2DViewport/OneGesturePointerTracker.h" |
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26 #include "../Viewport/IViewport.h" |
596 | 27 #include "Internals/FixedPointAligner.h" |
28 | |
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29 #include <boost/weak_ptr.hpp> |
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30 |
596 | 31 namespace OrthancStone |
32 { | |
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33 class ZoomSceneTracker : public OneGesturePointerTracker |
596 | 34 { |
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35 public: |
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36 ZoomSceneTracker(boost::shared_ptr<IViewport> viewport, |
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37 const PointerEvent& event, |
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38 unsigned int canvasHeight); |
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39 |
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40 virtual void PointerMove(const PointerEvent& event) ORTHANC_OVERRIDE; |
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41 virtual void Cancel() ORTHANC_OVERRIDE; |
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42 |
596 | 43 private: |
44 double clickY_; | |
45 bool active_; | |
46 double normalization_; | |
47 Internals::FixedPointAligner aligner_; | |
48 AffineTransform2D originalSceneToCanvas_; | |
49 | |
50 }; | |
51 } |