Mercurial > hg > orthanc-stone
annotate Applications/Sdl/SdlCairoSurface.cpp @ 1324:4d8d642f7036 broker
Added a NullLayer scene layer type that allows
"booking" a scene depth entry.
| author | Benjamin Golinvaux <bgo@osimis.io> |
|---|---|
| date | Tue, 24 Mar 2020 16:24:26 +0100 |
| parents | 2d8ab34c8c91 |
| children |
| rev | line source |
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| 74 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
| 74 | 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 | |
|
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22 #include "SdlCairoSurface.h" |
| 74 | 23 |
| 24 #if ORTHANC_ENABLE_SDL == 1 | |
| 25 | |
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26 #include <Core/Logging.h> |
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27 #include <Core/OrthancException.h> |
| 74 | 28 |
| 29 namespace OrthancStone | |
| 30 { | |
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31 SdlCairoSurface::SdlCairoSurface(SdlWindow& window) : |
| 74 | 32 window_(window), |
| 33 sdlSurface_(NULL) | |
| 34 { | |
| 35 } | |
| 36 | |
| 37 | |
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38 SdlCairoSurface::~SdlCairoSurface() |
| 74 | 39 { |
| 40 if (sdlSurface_) | |
| 41 { | |
| 42 SDL_FreeSurface(sdlSurface_); | |
| 43 } | |
| 44 } | |
| 45 | |
| 46 | |
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47 void SdlCairoSurface::SetSize(unsigned int width, |
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48 unsigned int height) |
| 74 | 49 { |
| 50 if (cairoSurface_.get() == NULL || | |
| 51 cairoSurface_->GetWidth() != width || | |
| 52 cairoSurface_->GetHeight() != height) | |
| 53 { | |
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54 cairoSurface_.reset(new CairoSurface(width, height, false /* no alpha */)); |
| 74 | 55 |
| 56 // TODO Big endian? | |
| 57 static const uint32_t rmask = 0x00ff0000; | |
| 58 static const uint32_t gmask = 0x0000ff00; | |
| 59 static const uint32_t bmask = 0x000000ff; | |
| 60 | |
| 61 if (sdlSurface_) | |
| 62 { | |
| 63 SDL_FreeSurface(sdlSurface_); | |
| 64 } | |
| 65 | |
| 66 sdlSurface_ = SDL_CreateRGBSurfaceFrom(cairoSurface_->GetBuffer(), width, height, 32, | |
| 67 cairoSurface_->GetPitch(), rmask, gmask, bmask, 0); | |
| 68 if (!sdlSurface_) | |
| 69 { | |
| 70 LOG(ERROR) << "Cannot create a SDL surface from a Cairo surface"; | |
| 71 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 72 } | |
| 73 } | |
| 74 } | |
| 75 | |
| 76 | |
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77 void SdlCairoSurface::Render(Deprecated::IViewport& viewport) |
| 74 | 78 { |
| 79 if (cairoSurface_.get() == NULL) | |
| 80 { | |
| 81 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 82 } | |
| 83 | |
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84 Orthanc::ImageAccessor target; |
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85 cairoSurface_->GetWriteableAccessor(target); |
| 74 | 86 |
| 87 if (viewport.Render(target)) | |
| 88 { | |
| 89 window_.Render(sdlSurface_); | |
| 90 } | |
| 91 } | |
| 92 } | |
| 93 | |
| 94 #endif |