Mercurial > hg > orthanc-stone
annotate Framework/Scene2D/PanSceneTracker.cpp @ 923:6b81c5453382
RadiographyScene: avoid exporting to width+1 image size due to numerical noise in GetSceneExtent()
| author | Alain Mazy <alain@mazy.be> |
|---|---|
| date | Mon, 22 Jul 2019 14:28:56 +0200 |
| parents | e42b491f1fb2 |
| children | 13e078adfb94 |
| rev | line source |
|---|---|
| 596 | 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 #include "PanSceneTracker.h" | |
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23 #include "../Scene2DViewport/ViewportController.h" |
| 596 | 24 |
| 25 namespace OrthancStone | |
| 26 { | |
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27 PanSceneTracker::PanSceneTracker(boost::weak_ptr<ViewportController> controllerW, |
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28 const PointerEvent& event) |
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29 : OneGesturePointerTracker(controllerW) |
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30 , originalSceneToCanvas_(GetController()->GetSceneToCanvasTransform()) |
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31 , originalCanvasToScene_(GetController()->GetCanvasToSceneTransform()) |
| 596 | 32 { |
| 33 pivot_ = event.GetMainPosition().Apply(originalCanvasToScene_); | |
| 34 } | |
| 35 | |
| 36 | |
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37 void PanSceneTracker::PointerMove(const PointerEvent& event) |
| 596 | 38 { |
| 39 ScenePoint2D p = event.GetMainPosition().Apply(originalCanvasToScene_); | |
| 40 | |
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41 GetController()->SetSceneToCanvasTransform( |
| 596 | 42 AffineTransform2D::Combine( |
| 43 originalSceneToCanvas_, | |
| 44 AffineTransform2D::CreateOffset(p.GetX() - pivot_.GetX(), | |
| 45 p.GetY() - pivot_.GetY()))); | |
| 46 } | |
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47 |
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48 void PanSceneTracker::Cancel() |
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49 { |
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50 GetController()->SetSceneToCanvasTransform(originalSceneToCanvas_); |
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51 } |
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52 |
| 596 | 53 } |