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 #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,
|
617
|
42 const ScenePoint2D& p);
|
596
|
43
|
|
44 void Apply();
|
|
45 };
|
|
46 }
|
|
47 }
|