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comparison Framework/Scene2D/Internals/FixedPointAligner.h @ 596:b716763571ad

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IPointerTracker
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 26 Apr 2019 17:05:14 +0200
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children 7efa2543699d
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595:6e471e6cf09b 596:b716763571ad
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 #pragma once
23
24 #include "../Scene2D.h"
25 #include "../ScenePoint2D.h"
26
27 namespace OrthancStone
28 {
29 namespace Internals
30 {
31 // During a mouse event that modifies the view of a scene, keeps
32 // one point (the pivot) at the same position on the canvas
33 class FixedPointAligner : public boost::noncopyable
34 {
35 private:
36 Scene2D& scene_;
37 ScenePoint2D pivot_;
38 ScenePoint2D canvas_;
39
40 public:
41 FixedPointAligner(Scene2D& scene,
42 const ScenePoint2D& p,
43 unsigned int canvasWidth,
44 unsigned int canvasHeight);
45
46 void Apply();
47 };
48 }
49 }