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comparison Framework/Scene2DViewport/ViewportController.h @ 698:8b6adfb62a2f refactor-viewport-controller

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Code is broken -- stashing ongoing work in a branch
author Benjamin Golinvaux <bgo@osimis.io>
date Wed, 15 May 2019 16:56:17 +0200
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children 059e1fd05fd6
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660:cb3b76d16234 698:8b6adfb62a2f
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 #pragma once
22
23 #include "PointerTypes.h"
24
25 #include <Framework/Scene2D/Scene2D.h>
26 #include <Framework/Scene2D/PointerEvent.h>
27 #include <Framework/Scene2DViewport/MeasureTools.h>
28 #include <Framework/Scene2DViewport/IFlexiblePointerTracker.h>
29
30 namespace OrthancStone
31 {
32 /**
33 This object is responsible for hosting a scene, responding to messages from
34 the model and updating the scene accordingly.
35
36 It contains the list of active measuring tools as well as the stack
37 where measuring tool commands are stored.
38
39 The active tracker is also stored in the viewport controller.
40
41 Each canvas or other GUI area where we want to display a 2D image, either
42 directly or through slicing must be assigned a ViewportController.
43 */
44 class ViewportController : public boost::noncopyable
45 {
46 public:
47 ViewportController(MessageBroker& broker);
48
49 Scene2DPtr GetScene();
50
51 /**
52 This method is called by the GUI system and should update/delete the
53 current tracker
54 */
55 bool HandlePointerEvent(PointerEvent e);
56
57 /**
58 This method returns the list of measure tools containing the supplied point
59 (in scene coords). A tracker can then be requested from the chosen
60 measure tool, if needed
61 */
62 std::vector<MeasureToolPtr> HitTestMeasureTools(ScenePoint2D p);
63
64 /**
65 With this method, the object takes ownership of the supplied tracker and
66 updates it according to user interaction
67 */
68 void SetActiveTracker(FlexiblePointerTrackerPtr tracker);
69
70 private:
71 MessageBroker& broker_;
72 Scene2DWPtr scene_;
73 FlexiblePointerTrackerPtr tracker_;
74 };
75 }