Mercurial > hg > orthanc-stone
diff Applications/Sdl/SdlCairoSurface.cpp @ 213:f753a7e15a73
rename SdlSurface as SdlCairoSurface
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Fri, 01 Jun 2018 18:09:09 +0200 |
parents | Applications/Sdl/SdlSurface.cpp@5412adf19980 |
children | ce48c3b3b0e9 29a79b8c3d39 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Applications/Sdl/SdlCairoSurface.cpp Fri Jun 01 18:09:09 2018 +0200 @@ -0,0 +1,93 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2018 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 "SdlCairoSurface.h" + +#if ORTHANC_ENABLE_SDL == 1 + +#include <Core/Logging.h> +#include <Core/OrthancException.h> + +namespace OrthancStone +{ + SdlCairoSurface::SdlCairoSurface(SdlWindow& window) : + window_(window), + sdlSurface_(NULL) + { + } + + + SdlCairoSurface::~SdlCairoSurface() + { + if (sdlSurface_) + { + SDL_FreeSurface(sdlSurface_); + } + } + + + void SdlCairoSurface::SetSize(unsigned int width, + unsigned int height) + { + if (cairoSurface_.get() == NULL || + cairoSurface_->GetWidth() != width || + cairoSurface_->GetHeight() != height) + { + cairoSurface_.reset(new CairoSurface(width, height)); + + // 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 SdlCairoSurface::Render(IViewport& viewport) + { + if (cairoSurface_.get() == NULL) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); + } + + Orthanc::ImageAccessor target = cairoSurface_->GetAccessor(); + + if (viewport.Render(target)) + { + window_.Render(sdlSurface_); + } + } +} + +#endif