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comparison Framework/Viewport/SdlViewport.cpp @ 909:7a7e4e1f558f

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SdlCairo resizable
author Alain Mazy <alain@mazy.be>
date Thu, 18 Jul 2019 09:41:10 +0200
parents 722ee73e6ba2
children 1091b2adeb5a
comparison
equal deleted inserted replaced
908:2f16ad9d30ad 909:7a7e4e1f558f
54 bool allowDpiScaling) : 54 bool allowDpiScaling) :
55 SdlViewport(title), 55 SdlViewport(title),
56 window_(title, width, height, false /* enable OpenGL */, allowDpiScaling), 56 window_(title, width, height, false /* enable OpenGL */, allowDpiScaling),
57 compositor_(GetScene(), width, height) 57 compositor_(GetScene(), width, height)
58 { 58 {
59 static const uint32_t rmask = 0x00ff0000; 59 UpdateSdlSurfaceSize(width, height);
60 static const uint32_t gmask = 0x0000ff00;
61 static const uint32_t bmask = 0x000000ff;
62
63 sdlSurface_ = SDL_CreateRGBSurfaceFrom((void*)(compositor_.GetCanvas().GetBuffer()), width, height, 32,
64 compositor_.GetCanvas().GetPitch(), rmask, gmask, bmask, 0);
65 if (!sdlSurface_)
66 {
67 LOG(ERROR) << "Cannot create a SDL surface from a Cairo surface";
68 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
69 }
70 } 60 }
71 61
72 62
73 SdlCairoViewport::~SdlCairoViewport() 63 SdlCairoViewport::~SdlCairoViewport()
74 { 64 {
83 { 73 {
84 GetCompositor().Refresh(); 74 GetCompositor().Refresh();
85 window_.Render(sdlSurface_); 75 window_.Render(sdlSurface_);
86 } 76 }
87 77
78 void SdlCairoViewport::UpdateSize(unsigned int width,
79 unsigned int height)
80 {
81 compositor_.UpdateSize(width, height);
82 UpdateSdlSurfaceSize(width, height);
83 Refresh();
84 }
85
86
87 void SdlCairoViewport::UpdateSdlSurfaceSize(unsigned int width,
88 unsigned int height)
89 {
90 static const uint32_t rmask = 0x00ff0000;
91 static const uint32_t gmask = 0x0000ff00;
92 static const uint32_t bmask = 0x000000ff;
93
94 sdlSurface_ = SDL_CreateRGBSurfaceFrom((void*)(compositor_.GetCanvas().GetBuffer()), width, height, 32,
95 compositor_.GetCanvas().GetPitch(), rmask, gmask, bmask, 0);
96 if (!sdlSurface_)
97 {
98 LOG(ERROR) << "Cannot create a SDL surface from a Cairo surface";
99 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
100 }
101 }
102
88 } 103 }