Mercurial > hg > orthanc-stone
view Framework/Viewport/SdlViewport.cpp @ 905:88bf49aebc13
introduced ICompositor and allow SdlViewport to work with a CairoCompositor (to run on machines without OpenGL drivers)
author | Alain Mazy <alain@mazy.be> |
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date | Wed, 17 Jul 2019 16:56:53 +0200 |
parents | 0c5201499af8 |
children | 722ee73e6ba2 |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2019 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "SdlViewport.h" #include <Core/OrthancException.h> #include <boost/make_shared.hpp> namespace OrthancStone { SdlOpenGLViewport::SdlOpenGLViewport(const char* title, unsigned int width, unsigned int height, bool allowDpiScaling) : SdlViewport(title), context_(title, width, height, allowDpiScaling), compositor_(context_, GetScene()) { } SdlOpenGLViewport::SdlOpenGLViewport(const char* title, unsigned int width, unsigned int height, boost::shared_ptr<Scene2D>& scene, bool allowDpiScaling) : SdlViewport(title, scene), context_(title, width, height, allowDpiScaling), compositor_(context_, GetScene()) { } SdlCairoViewport::SdlCairoViewport(const char* title, unsigned int width, unsigned int height, bool allowDpiScaling) : SdlViewport(title), window_(title, width, height, false /* enable OpenGL */, allowDpiScaling), compositor_(GetScene(), width, height) { static const uint32_t rmask = 0x00ff0000; static const uint32_t gmask = 0x0000ff00; static const uint32_t bmask = 0x000000ff; sdlSurface_ = SDL_CreateRGBSurfaceFrom((void*)(compositor_.GetCanvas().GetBuffer()), width, height, 32, compositor_.GetCanvas().GetPitch(), rmask, gmask, bmask, 0); if (!sdlSurface_) { LOG(ERROR) << "Cannot create a SDL surface from a Cairo surface"; throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); } } SdlCairoViewport::~SdlCairoViewport() { if (sdlSurface_) { SDL_FreeSurface(sdlSurface_); } } // void SdlCairoViewport::SetSize(unsigned int width, // unsigned int height) // { // if (cairoSurface_.get() == NULL || // cairoSurface_->GetWidth() != width || // cairoSurface_->GetHeight() != height) // { // cairoSurface_.reset(new CairoSurface(width, height, false /* no alpha */)); // // TODO Big endian? // static const uint32_t rmask = 0x00ff0000; // static const uint32_t gmask = 0x0000ff00; // static const uint32_t bmask = 0x000000ff; // if (sdlSurface_) // { // SDL_FreeSurface(sdlSurface_); // } // sdlSurface_ = SDL_CreateRGBSurfaceFrom(cairoSurface_->GetBuffer(), width, height, 32, // cairoSurface_->GetPitch(), rmask, gmask, bmask, 0); // if (!sdlSurface_) // { // LOG(ERROR) << "Cannot create a SDL surface from a Cairo surface"; // throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); // } // } // } void SdlCairoViewport::Refresh() { GetCompositor().Refresh(); window_.Render(sdlSurface_); } // void SdlCairoViewport::Render() // { // Orthanc::ImageAccessor target; // compositor_.GetCanvas() cairoSurface_->GetWriteableAccessor(target); // if (viewport.Render(target)) // { // window_.Render(sdlSurface_); // } // } }