Mercurial > hg > orthanc-stone
comparison Framework/Scene2D/Internals/FixedPointAligner.cpp @ 596:b716763571ad
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 26 Apr 2019 17:05:14 +0200 |
parents | |
children | 7efa2543699d |
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595:6e471e6cf09b | 596:b716763571ad |
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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 "FixedPointAligner.h" | |
23 | |
24 namespace OrthancStone | |
25 { | |
26 namespace Internals | |
27 { | |
28 FixedPointAligner::FixedPointAligner(Scene2D& scene, | |
29 const ScenePoint2D& p, | |
30 unsigned int canvasWidth, | |
31 unsigned int canvasHeight) : | |
32 scene_(scene) | |
33 { | |
34 canvas_ = ScenePoint2D(p.GetX() - static_cast<double>(canvasWidth) / 2.0, | |
35 p.GetY() - static_cast<double>(canvasHeight) / 2.0); | |
36 pivot_ = canvas_.Apply(scene_.GetCanvasToSceneTransform()); | |
37 } | |
38 | |
39 | |
40 void FixedPointAligner::Apply() | |
41 { | |
42 ScenePoint2D p = canvas_.Apply(scene_.GetCanvasToSceneTransform()); | |
43 | |
44 scene_.SetSceneToCanvasTransform( | |
45 AffineTransform2D::Combine( | |
46 scene_.GetSceneToCanvasTransform(), | |
47 AffineTransform2D::CreateOffset(p.GetX() - pivot_.GetX(), | |
48 p.GetY() - pivot_.GetY()))); | |
49 } | |
50 } | |
51 } |