Mercurial > hg > orthanc-stone
diff Framework/Deprecated/Widgets/CairoWidget.cpp @ 732:c35e98d22764
move Deprecated classes to a separate folder
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Tue, 21 May 2019 14:27:35 +0200 |
parents | Framework/Widgets/CairoWidget.cpp@4f2416d519b4 |
children | 2d8ab34c8c91 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Deprecated/Widgets/CairoWidget.cpp Tue May 21 14:27:35 2019 +0200 @@ -0,0 +1,101 @@ +/** + * 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 "CairoWidget.h" + +#include <Core/Images/ImageProcessing.h> +#include <Core/OrthancException.h> + +namespace Deprecated +{ + static bool IsAligned(const Orthanc::ImageAccessor& target) + { + // TODO + return true; + } + + CairoWidget::CairoWidget(const std::string& name) : + WidgetBase(name) + { + } + + void CairoWidget::SetSize(unsigned int width, + unsigned int height) + { + surface_.SetSize(width, height, false /* no alpha */); + } + + + bool CairoWidget::Render(Orthanc::ImageAccessor& target) + { + // Don't call the base class here, as + // "ClearBackgroundCairo()" is a faster alternative + + if (IsAligned(target)) + { + OrthancStone::CairoSurface surface(target, false /* no alpha */); + OrthancStone::CairoContext context(surface); + ClearBackgroundCairo(context); + return RenderCairo(context); + } + else + { + OrthancStone::CairoContext context(surface_); + ClearBackgroundCairo(context); + + if (RenderCairo(context)) + { + Orthanc::ImageAccessor surface; + surface_.GetReadOnlyAccessor(surface); + Orthanc::ImageProcessing::Copy(target, surface); + return true; + } + else + { + return false; + } + } + } + + + void CairoWidget::RenderMouseOver(Orthanc::ImageAccessor& target, + int x, + int y) + { + if (IsAligned(target)) + { + OrthancStone::CairoSurface surface(target, false /* no alpha */); + OrthancStone::CairoContext context(surface); + RenderMouseOverCairo(context, x, y); + } + else + { + Orthanc::ImageAccessor accessor; + surface_.GetWriteableAccessor(accessor); + Orthanc::ImageProcessing::Copy(accessor, target); + + OrthancStone::CairoContext context(surface_); + RenderMouseOverCairo(context, x, y); + + Orthanc::ImageProcessing::Copy(target, accessor); + } + } +}