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annotate Framework/Viewport/SdlViewport.cpp @ 907:722ee73e6ba2

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cleanup + started to implement WebAssemblyCairoViewport (wip)
author Alain Mazy <alain@mazy.be>
date Thu, 18 Jul 2019 09:19:39 +0200
parents 88bf49aebc13
children 7a7e4e1f558f
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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) 2017-2019 Osimis S.A., 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 #include "SdlViewport.h"
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22
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23 #include <Core/OrthancException.h>
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24
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25 #include <boost/make_shared.hpp>
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26
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27 namespace OrthancStone
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28 {
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29 SdlOpenGLViewport::SdlOpenGLViewport(const char* title,
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30 unsigned int width,
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31 unsigned int height,
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32 bool allowDpiScaling) :
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33 SdlViewport(title),
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34 context_(title, width, height, allowDpiScaling),
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35 compositor_(context_, GetScene())
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36 {
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37 }
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38
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39 SdlOpenGLViewport::SdlOpenGLViewport(const char* title,
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40 unsigned int width,
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41 unsigned int height,
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42 boost::shared_ptr<Scene2D>& scene,
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43 bool allowDpiScaling) :
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44 SdlViewport(title, scene),
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45 context_(title, width, height, allowDpiScaling),
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46 compositor_(context_, GetScene())
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47 {
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48 }
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49
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51 SdlCairoViewport::SdlCairoViewport(const char* title,
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52 unsigned int width,
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53 unsigned int height,
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54 bool allowDpiScaling) :
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55 SdlViewport(title),
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56 window_(title, width, height, false /* enable OpenGL */, allowDpiScaling),
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57 compositor_(GetScene(), width, height)
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58 {
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59 static const uint32_t rmask = 0x00ff0000;
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60 static const uint32_t gmask = 0x0000ff00;
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61 static const uint32_t bmask = 0x000000ff;
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63 sdlSurface_ = SDL_CreateRGBSurfaceFrom((void*)(compositor_.GetCanvas().GetBuffer()), width, height, 32,
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64 compositor_.GetCanvas().GetPitch(), rmask, gmask, bmask, 0);
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65 if (!sdlSurface_)
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66 {
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67 LOG(ERROR) << "Cannot create a SDL surface from a Cairo surface";
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68 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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69 }
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70 }
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73 SdlCairoViewport::~SdlCairoViewport()
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74 {
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75 if (sdlSurface_)
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76 {
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77 SDL_FreeSurface(sdlSurface_);
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78 }
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79 }
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82 void SdlCairoViewport::Refresh()
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83 {
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84 GetCompositor().Refresh();
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85 window_.Render(sdlSurface_);
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86 }
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87
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88 }