Mercurial > hg > orthanc-wsi
diff Framework/Outputs/InMemoryTiledImage.cpp @ 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 | 7a88c614be04 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Outputs/InMemoryTiledImage.cpp Sat Oct 22 21:48:33 2016 +0200 @@ -0,0 +1,171 @@ +/** + * 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/>. + **/ + + +#include "InMemoryTiledImage.h" + +#include "../ImageToolbox.h" +#include "../Orthanc/Core/Logging.h" +#include "../Orthanc/Core/OrthancException.h" + +namespace OrthancWSI +{ + static void CheckLevel(unsigned int level) + { + if (level != 0) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); + } + } + + + InMemoryTiledImage::InMemoryTiledImage(Orthanc::PixelFormat format, + unsigned int countTilesX, + unsigned int countTilesY, + unsigned int tileWidth, + unsigned int tileHeight) : + format_(format), + countTilesX_(countTilesX), + countTilesY_(countTilesY), + tileWidth_(tileWidth), + tileHeight_(tileHeight) + { + } + + + InMemoryTiledImage::~InMemoryTiledImage() + { + for (Tiles::iterator it = tiles_.begin(); it != tiles_.end(); ++it) + { + delete it->second; + } + } + + + unsigned int InMemoryTiledImage::GetCountTilesX(unsigned int level) const + { + CheckLevel(level); + return countTilesX_; + } + + + unsigned int InMemoryTiledImage::GetCountTilesY(unsigned int level) const + { + CheckLevel(level); + return countTilesY_; + } + + + unsigned int InMemoryTiledImage::GetLevelWidth(unsigned int level) const + { + CheckLevel(level); + return tileWidth_ * countTilesX_; + } + + + unsigned int InMemoryTiledImage::GetLevelHeight(unsigned int level) const + { + CheckLevel(level); + return tileHeight_ * countTilesY_; + } + + + bool InMemoryTiledImage::ReadRawTile(std::string& tile, + unsigned int level, + unsigned int tileX, + unsigned int tileY) + { + CheckLevel(level); + return false; // Unavailable + } + + + Orthanc::ImageAccessor* InMemoryTiledImage::DecodeTile(unsigned int level, + unsigned int tileX, + unsigned int tileY) + { + CheckLevel(level); + + if (tileX >= countTilesX_ || + tileY >= countTilesY_) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); + } + + { + boost::mutex::scoped_lock lock(mutex_); + + Tiles::const_iterator it = tiles_.find(std::make_pair(tileX, tileY)); + if (it != tiles_.end()) + { + return new Orthanc::ImageAccessor(*it->second); + } + else + { + LOG(ERROR) << "The following tile has not been set: " << tileX << "," << tileY; + throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); + } + } + } + + + void InMemoryTiledImage::WriteRawTile(const std::string& raw, + ImageCompression compression, + unsigned int level, + unsigned int tileX, + unsigned int tileY) + { + std::auto_ptr<Orthanc::ImageAccessor> decoded(ImageToolbox::DecodeTile(raw, compression)); + EncodeTile(*decoded, level, tileX, tileY); + } + + + void InMemoryTiledImage::EncodeTile(const Orthanc::ImageAccessor& tile, + unsigned int level, + unsigned int tileX, + unsigned int tileY) + { + CheckLevel(level); + + if (tileX >= countTilesX_ || + tileY >= countTilesY_) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); + } + + { + boost::mutex::scoped_lock lock(mutex_); + + Tiles::iterator it = tiles_.find(std::make_pair(tileX, tileY)); + if (it == tiles_.end()) + { + tiles_[std::make_pair(tileX, tileY)] = ImageToolbox::Clone(tile); + } + else + { + if (it->second) + { + delete it->second; + } + + it->second = ImageToolbox::Clone(tile); + } + } + } +}