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comparison OrthancStone/Sources/Scene2D/PanSceneTracker.cpp @ 1512:244ad1e4e76a

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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
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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 }