Mercurial > hg > orthanc-wsi
diff Framework/Inputs/OpenSlideLibrary.h @ 0:4a7a53257c7d
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 22 Oct 2016 21:48:33 +0200 |
parents | |
children | 7a3853d51c45 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Inputs/OpenSlideLibrary.h Sat Oct 22 21:48:33 2016 +0200 @@ -0,0 +1,112 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * 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 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/>. + **/ + + +#pragma once + +#include "../Orthanc/Plugins/Engine/SharedLibrary.h" +#include "../Orthanc/Core/Images/ImageAccessor.h" + +#include <vector> + +namespace OrthancWSI +{ + class OpenSlideLibrary : public boost::noncopyable + { + private: + typedef void* (*FunctionClose) (void*); + typedef int32_t (*FunctionGetLevelCount) (void*); + typedef void (*FunctionGetLevelDimensions) (void*, int32_t, int64_t*, int64_t*); + typedef double (*FunctionGetLevelDownsample) (void*, int32_t); + typedef void* (*FunctionOpen) (const char*); + typedef void (*FunctionReadRegion) (void*, uint32_t*, int64_t, int64_t, int32_t, int64_t, int64_t); + + Orthanc::SharedLibrary library_; + FunctionClose close_; + FunctionGetLevelCount getLevelCount_; + FunctionGetLevelDimensions getLevelDimensions_; + FunctionGetLevelDownsample getLevelDownsample_; + FunctionOpen open_; + FunctionReadRegion readRegion_; + + public: + OpenSlideLibrary(const std::string& path); + + static OpenSlideLibrary& GetInstance(); + + static void Initialize(const std::string& path); + + static void Finalize(); + + class Image : public boost::noncopyable + { + private: + struct Level + { + unsigned int width_; + unsigned int height_; + double downsample_; + + Level(); + + Level(int64_t width, + int64_t height, + double downsample); + }; + + OpenSlideLibrary& that_; + void* handle_; + std::vector<Level> levels_; + + void Initialize(const std::string& path); + + void Close(); + + void CheckLevel(unsigned int level) const; + + public: + Image(OpenSlideLibrary& that, + const std::string& path); + + Image(const std::string& path); + + ~Image() + { + Close(); + } + + unsigned int GetLevelCount() const + { + return levels_.size(); + } + + double GetLevelDownsample(unsigned int level) const; + + unsigned int GetLevelWidth(unsigned int level) const; + + unsigned int GetLevelHeight(unsigned int level) const; + + Orthanc::ImageAccessor* ReadRegion(unsigned int level, + uint64_t x, + uint64_t y, + unsigned int width, + unsigned int height); + }; + }; +}