Mercurial > hg > orthanc-stone
comparison OrthancStone/Sources/Scene2D/PanSceneTracker.cpp @ 1512:244ad1e4e76a
reorganization of folders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Tue, 07 Jul 2020 16:21:02 +0200 |
parents | Framework/Scene2D/PanSceneTracker.cpp@ab81ee8fce1f |
children | 4fb8fdf03314 |
comparison
equal
deleted
inserted
replaced
1511:9dfeee74c1e6 | 1512:244ad1e4e76a |
---|---|
1 /** | |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2020 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 #include "PanSceneTracker.h" | |
23 #include "../Viewport/IViewport.h" | |
24 #include "../Scene2DViewport/ViewportController.h" | |
25 | |
26 #include <memory> | |
27 | |
28 namespace OrthancStone | |
29 { | |
30 PanSceneTracker::PanSceneTracker(boost::shared_ptr<IViewport> viewport, | |
31 const PointerEvent& event) | |
32 : OneGesturePointerTracker(viewport) | |
33 { | |
34 | |
35 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); | |
36 | |
37 originalSceneToCanvas_ = lock->GetController().GetSceneToCanvasTransform(); | |
38 originalCanvasToScene_ = lock->GetController().GetCanvasToSceneTransform(); | |
39 | |
40 pivot_ = event.GetMainPosition().Apply(originalCanvasToScene_); | |
41 } | |
42 | |
43 | |
44 void PanSceneTracker::PointerMove(const PointerEvent& event) | |
45 { | |
46 ScenePoint2D p = event.GetMainPosition().Apply(originalCanvasToScene_); | |
47 | |
48 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); | |
49 | |
50 lock->GetController().SetSceneToCanvasTransform( | |
51 AffineTransform2D::Combine( | |
52 originalSceneToCanvas_, | |
53 AffineTransform2D::CreateOffset(p.GetX() - pivot_.GetX(), | |
54 p.GetY() - pivot_.GetY()))); | |
55 lock->Invalidate(); | |
56 } | |
57 | |
58 void PanSceneTracker::Cancel() | |
59 { | |
60 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); | |
61 lock->GetController().SetSceneToCanvasTransform(originalSceneToCanvas_); | |
62 } | |
63 } |