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comparison OrthancStone/Sources/Scene2D/Internals/OpenGLColorTextureProgram.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/OpenGLColorTextureProgram.cpp@2d8ab34c8c91
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 "OpenGLColorTextureProgram.h"
23 #include "OpenGLShaderVersionDirective.h"
24
25 static const char* FRAGMENT_SHADER =
26 ORTHANC_STONE_OPENGL_SHADER_VERSION_DIRECTIVE
27 "uniform sampler2D u_texture; \n"
28 "varying vec2 v_texcoord; \n"
29 "void main() \n"
30 "{ \n"
31 " gl_FragColor = texture2D(u_texture, v_texcoord); \n"
32 "}";
33
34
35 namespace OrthancStone
36 {
37 namespace Internals
38 {
39 OpenGLColorTextureProgram::OpenGLColorTextureProgram(OpenGL::IOpenGLContext& context)
40 : program_(context, FRAGMENT_SHADER)
41 , context_(context)
42 {
43 }
44
45
46 void OpenGLColorTextureProgram::Apply(OpenGL::OpenGLTexture& texture,
47 const AffineTransform2D& transform,
48 bool useAlpha)
49 {
50 if (!context_.IsContextLost())
51 {
52 OpenGLTextureProgram::Execution execution(program_, texture, transform);
53
54 if (useAlpha)
55 {
56 glEnable(GL_BLEND);
57 glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
58 execution.DrawTriangles();
59 glDisable(GL_BLEND);
60 }
61 else
62 {
63 execution.DrawTriangles();
64 }
65 }
66 }
67 }
68 }