Mercurial > hg > orthanc-stone
diff Framework/Viewport/CairoSurface.h @ 0:351ab0da0150
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 14 Oct 2016 15:34:11 +0200 |
parents | |
children | ff1e935768e7 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Viewport/CairoSurface.h Fri Oct 14 15:34:11 2016 +0200 @@ -0,0 +1,116 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * 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 + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "../Orthanc/Core/Images/ImageAccessor.h" + +#include <boost/noncopyable.hpp> +#include <cairo.h> + +namespace OrthancStone +{ + class CairoSurface : public boost::noncopyable + { + private: + cairo_surface_t* surface_; + unsigned int width_; + unsigned int height_; + unsigned int pitch_; + void* buffer_; + + void Release(); + + void Allocate(unsigned int width, + unsigned int height); + + public: + CairoSurface() : + surface_(NULL) + { + Allocate(0, 0); + } + + CairoSurface(unsigned int width, + unsigned int height) : + surface_(NULL) + { + Allocate(width, height); + } + + CairoSurface(Orthanc::ImageAccessor& accessor); + + ~CairoSurface() + { + Release(); + } + + void SetSize(unsigned int width, + unsigned int height); + + void Copy(const CairoSurface& other); + + unsigned int GetWidth() const + { + return width_; + } + + unsigned int GetHeight() const + { + return height_; + } + + unsigned int GetPitch() const + { + return pitch_; + } + + const void* GetBuffer() const + { + return buffer_; + } + + void* GetBuffer() + { + return buffer_; + } + + cairo_surface_t* GetObject() + { + return surface_; + } + + Orthanc::ImageAccessor GetConstAccessor() const; + + Orthanc::ImageAccessor GetAccessor(); + }; +}