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comparison Framework/Viewport/ViewportBase.cpp @ 891:0aff28f15ea2

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new abstraction: IViewport
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 10 Jul 2019 18:18:42 +0200
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children 32b403a47b19
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890:77c96ba899f9 891:0aff28f15ea2
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 #include "ViewportBase.h"
22
23 #include <Core/OrthancException.h>
24
25 #include <boost/make_shared.hpp>
26
27 namespace OrthancStone
28 {
29 ViewportBase::ViewportBase(const std::string& identifier) :
30 identifier_(identifier),
31 scene_(boost::make_shared<Scene2D>())
32 {
33 }
34
35
36 ViewportBase::ViewportBase(const std::string& identifier,
37 boost::shared_ptr<Scene2D>& scene) :
38 identifier_(identifier),
39 scene_(scene)
40 {
41 if (scene.get() == NULL)
42 {
43 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
44 }
45 }
46
47
48 ScenePoint2D ViewportBase::GetPixelCenterCoordinates(int x, int y) const
49 {
50 return ScenePoint2D(
51 static_cast<double>(x) + 0.5 - static_cast<double>(GetCanvasWidth()) / 2.0,
52 static_cast<double>(y) + 0.5 - static_cast<double>(GetCanvasHeight()) / 2.0);
53 }
54 }