Mercurial > hg > orthanc-stone

comparison OrthancStone/Sources/Scene2D/Internals/OpenGLFloatTextureRenderer.cpp @ 1512:244ad1e4e76a

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reorganization of folders
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 07 Jul 2020 16:21:02 +0200
parents Framework/Scene2D/Internals/OpenGLFloatTextureRenderer.cpp@30deba7bc8e2
children 92fca2b3ba3d
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1511:9dfeee74c1e6 1512:244ad1e4e76a
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 "OpenGLFloatTextureRenderer.h"
23
24 #include <OrthancException.h>
25
26 namespace OrthancStone
27 {
28 namespace Internals
29 {
30 void OpenGLFloatTextureRenderer::UpdateInternal(const FloatTextureSceneLayer& layer,
31 bool loadTexture)
32 {
33 if (!context_.IsContextLost())
34 {
35 if (loadTexture)
36 {
37 if (layer.IsApplyLog())
38 {
39 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
40 }
41
42 context_.MakeCurrent();
43 texture_.reset(new OpenGLFloatTextureProgram::Data(
44 context_, layer.GetTexture(), layer.IsLinearInterpolation()));
45 }
46
47 layerTransform_ = layer.GetTransform();
48 layer.GetWindowing(windowCenter_, windowWidth_);
49 invert_ = layer.IsInverted();
50 }
51 }
52
53
54 OpenGLFloatTextureRenderer::OpenGLFloatTextureRenderer(OpenGL::IOpenGLContext& context,
55 OpenGLFloatTextureProgram& program,
56 const FloatTextureSceneLayer& layer) :
57 context_(context),
58 program_(program)
59 {
60 UpdateInternal(layer, true);
61 }
62
63
64 void OpenGLFloatTextureRenderer::Render(const AffineTransform2D& transform,
65 unsigned int canvasWidth,
66 unsigned int canvasHeight)
67 {
68 if (!context_.IsContextLost() && texture_.get() != NULL)
69 {
70 program_.Apply(*texture_, AffineTransform2D::Combine(transform, layerTransform_),
71 windowCenter_, windowWidth_, invert_);
72 }
73 }
74
75
76 void OpenGLFloatTextureRenderer::Update(const ISceneLayer& layer)
77 {
78 UpdateInternal(dynamic_cast<const FloatTextureSceneLayer&>(layer), false);
79 }
80 }
81 }