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comparison Framework/Scene2D/Internals/OpenGLFloatTextureRenderer.cpp @ 594:9807ed3d3e03

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OpenGLCompositor
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 26 Apr 2019 14:45:47 +0200
parents
children 6e888cf6a48b
comparison
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593:6bf8f881fcb5 594:9807ed3d3e03
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 #include "OpenGLFloatTextureRenderer.h"
23
24 namespace OrthancStone
25 {
26 namespace Internals
27 {
28 void OpenGLFloatTextureRenderer::UpdateInternal(const FloatTextureSceneLayer& layer,
29 bool loadTexture)
30 {
31 if (loadTexture)
32 {
33 context_.MakeCurrent();
34 texture_.reset(new OpenGLFloatTextureProgram::Data(layer.GetTexture(), layer.IsLinearInterpolation()));
35 }
36
37 layerTransform_ = layer.GetTransform();
38 layer.GetWindowing(windowCenter_, windowWidth_);
39 }
40
41
42 OpenGLFloatTextureRenderer::OpenGLFloatTextureRenderer(OpenGL::IOpenGLContext& context,
43 OpenGLFloatTextureProgram& program,
44 const FloatTextureSceneLayer& layer) :
45 context_(context),
46 program_(program)
47 {
48 UpdateInternal(layer, true);
49 }
50
51
52 void OpenGLFloatTextureRenderer::Render(const AffineTransform2D& transform)
53 {
54 if (texture_.get() != NULL)
55 {
56 program_.Apply(*texture_, AffineTransform2D::Combine(transform, layerTransform_),
57 windowCenter_, windowWidth_);
58 }
59 }
60
61
62 void OpenGLFloatTextureRenderer::Update(const ISceneLayer& layer)
63 {
64 UpdateInternal(dynamic_cast<const FloatTextureSceneLayer&>(layer), false);
65 }
66 }
67 }