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comparison Resources/Graveyard/Deprecated/Applications/Sdl/SdlOrthancSurface.cpp @ 1503:553084468225

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moving /Deprecated/ to /Resources/Graveyard/Deprecated/
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 30 Jun 2020 11:38:13 +0200
parents Deprecated/Applications/Sdl/SdlOrthancSurface.cpp@ff8d2e46ac63
children
comparison
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1502:e5729dab3f67 1503:553084468225
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 "SdlOrthancSurface.h"
23
24 #if ORTHANC_ENABLE_SDL == 1
25
26 #include <Core/Logging.h>
27 #include <Core/OrthancException.h>
28 #include <Core/Images/Image.h>
29
30 #include <SDL_render.h>
31
32 namespace OrthancStone
33 {
34 SdlOrthancSurface::SdlOrthancSurface(SdlWindow& window) :
35 window_(window),
36 sdlSurface_(NULL)
37 {
38 }
39
40
41 SdlOrthancSurface::~SdlOrthancSurface()
42 {
43 if (sdlSurface_)
44 {
45 SDL_FreeSurface(sdlSurface_);
46 }
47 }
48
49
50 void SdlOrthancSurface::SetSize(unsigned int width,
51 unsigned int height)
52 {
53 if (image_.get() == NULL ||
54 image_->GetWidth() != width ||
55 image_->GetHeight() != height)
56 {
57 image_.reset(new Orthanc::Image(Orthanc::PixelFormat_BGRA32, width, height, true)); // (*)
58
59 if (image_->GetPitch() != image_->GetWidth() * 4)
60 {
61 // This should have been ensured by setting "forceMinimalPitch" to "true" (*)
62 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
63 }
64
65 // TODO Big endian?
66 static const uint32_t rmask = 0x00ff0000;
67 static const uint32_t gmask = 0x0000ff00;
68 static const uint32_t bmask = 0x000000ff;
69
70 if (sdlSurface_)
71 {
72 SDL_FreeSurface(sdlSurface_);
73 }
74
75 sdlSurface_ = SDL_CreateRGBSurfaceFrom(image_->GetBuffer(), width, height, 32,
76 image_->GetPitch(), rmask, gmask, bmask, 0);
77 if (!sdlSurface_)
78 {
79 LOG(ERROR) << "Cannot create a SDL surface from a Orthanc surface";
80 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
81 }
82 }
83 }
84
85
86 Orthanc::ImageAccessor& SdlOrthancSurface::GetImage()
87 {
88 if (image_.get() == NULL)
89 {
90 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
91 }
92
93 return *image_;
94 }
95
96
97 void SdlOrthancSurface::Render()
98 {
99 if (image_.get() == NULL)
100 {
101 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
102 }
103
104 window_.Render(sdlSurface_);
105 }
106 }
107
108 #endif