Mercurial > hg > orthanc-stone
comparison OrthancStone/Sources/Scene2D/Internals/OpenGLBasicPolylineRenderer.cpp @ 1512:244ad1e4e76a
reorganization of folders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 07 Jul 2020 16:21:02 +0200 |
parents | Framework/Scene2D/Internals/OpenGLBasicPolylineRenderer.cpp@2d8ab34c8c91 |
children | 85e117739eca |
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1511:9dfeee74c1e6 | 1512:244ad1e4e76a |
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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) 2017-2020 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 "OpenGLBasicPolylineRenderer.h" | |
23 | |
24 #include "../../OpenGL/OpenGLIncludes.h" | |
25 | |
26 namespace OrthancStone | |
27 { | |
28 namespace Internals | |
29 { | |
30 OpenGLBasicPolylineRenderer::OpenGLBasicPolylineRenderer(OpenGL::IOpenGLContext& context, | |
31 const PolylineSceneLayer& layer) : | |
32 context_(context) | |
33 { | |
34 layer_.Copy(layer); | |
35 } | |
36 | |
37 void OpenGLBasicPolylineRenderer::Render(const AffineTransform2D& transform) | |
38 { | |
39 if (!context_.IsContextLost()) | |
40 { | |
41 AffineTransform2D t = AffineTransform2D::Combine( | |
42 AffineTransform2D::CreateOpenGLClipspace(context_.GetCanvasWidth(), context_.GetCanvasHeight()), | |
43 transform); | |
44 | |
45 glUseProgram(0); | |
46 | |
47 glBegin(GL_LINES); | |
48 | |
49 for (size_t i = 0; i < layer_.GetChainsCount(); i++) | |
50 { | |
51 const Color& color = layer_.GetColor(i); | |
52 glColor3ub(color.GetRed(), color.GetGreen(), color.GetBlue()); | |
53 | |
54 const PolylineSceneLayer::Chain& chain = layer_.GetChain(i); | |
55 | |
56 if (chain.size() > 1) | |
57 { | |
58 ScenePoint2D previous = chain[0].Apply(t); | |
59 | |
60 for (size_t j = 1; j < chain.size(); j++) | |
61 { | |
62 ScenePoint2D p = chain[j].Apply(t); | |
63 | |
64 glVertex2f(static_cast<GLfloat>(previous.GetX()), | |
65 static_cast<GLfloat>(previous.GetY())); | |
66 glVertex2f(static_cast<GLfloat>(p.GetX()), | |
67 static_cast<GLfloat>(p.GetY())); | |
68 | |
69 previous = p; | |
70 } | |
71 | |
72 if (layer_.IsClosedChain(i)) | |
73 { | |
74 ScenePoint2D p = chain[0].Apply(t); | |
75 | |
76 glVertex2f(static_cast<GLfloat>(previous.GetX()), | |
77 static_cast<GLfloat>(previous.GetY())); | |
78 glVertex2f(static_cast<GLfloat>(p.GetX()), | |
79 static_cast<GLfloat>(p.GetY())); | |
80 } | |
81 } | |
82 } | |
83 | |
84 glEnd(); | |
85 } | |
86 } | |
87 | |
88 | |
89 void OpenGLBasicPolylineRenderer::Update(const ISceneLayer& layer) | |
90 { | |
91 layer_.Copy(dynamic_cast<const PolylineSceneLayer&>(layer)); | |
92 } | |
93 } | |
94 } |