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74
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017 Osimis, Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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102
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22 #include "SdlSurface.h"
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74
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23
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24 #if ORTHANC_ENABLE_SDL == 1
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25
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26 #include "../../../Resources/Orthanc/Core/Logging.h"
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27 #include "../../../Resources/Orthanc/Core/OrthancException.h"
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28
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29 namespace OrthancStone
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30 {
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102
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31 SdlSurface::SdlSurface(SdlWindow& window) :
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32 window_(window),
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33 sdlSurface_(NULL)
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74
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34 {
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35 }
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36
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37
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102
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38 SdlSurface::~SdlSurface()
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74
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39 {
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40 if (sdlSurface_)
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41 {
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42 SDL_FreeSurface(sdlSurface_);
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43 }
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44 }
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45
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46
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102
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47 void SdlSurface::SetSize(unsigned int width,
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48 unsigned int height)
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74
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49 {
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102
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50 if (cairoSurface_.get() == NULL ||
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51 cairoSurface_->GetWidth() != width ||
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52 cairoSurface_->GetHeight() != height)
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74
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53 {
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102
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54 cairoSurface_.reset(new CairoSurface(width, height));
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74
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55
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56 // TODO Big endian?
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57 static const uint32_t rmask = 0x00ff0000;
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58 static const uint32_t gmask = 0x0000ff00;
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59 static const uint32_t bmask = 0x000000ff;
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60
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61 if (sdlSurface_)
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62 {
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63 SDL_FreeSurface(sdlSurface_);
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64 }
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65
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102
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66 sdlSurface_ = SDL_CreateRGBSurfaceFrom(cairoSurface_->GetBuffer(), width, height, 32,
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67 cairoSurface_->GetPitch(), rmask, gmask, bmask, 0);
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74
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68 if (!sdlSurface_)
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69 {
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70 LOG(ERROR) << "Cannot create a SDL surface from a Cairo surface";
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71 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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102
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72 }
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74
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73 }
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74 }
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75
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76
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102
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77 void SdlSurface::Render(IViewport& viewport)
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74
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78 {
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102
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79 if (cairoSurface_.get() == NULL)
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74
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80 {
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102
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81 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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74
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82 }
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83
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102
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84 Orthanc::ImageAccessor target = cairoSurface_->GetAccessor();
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85
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86 if (viewport.Render(target))
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74
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87 {
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102
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88 window_.Render(sdlSurface_);
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74
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89 }
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90 }
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91 }
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92
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93 #endif
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