Mercurial > hg > orthanc-wsi
diff Framework/Inputs/PyramidWithRawTiles.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/Inputs/PyramidWithRawTiles.cpp Sat Oct 22 21:48:33 2016 +0200 @@ -0,0 +1,74 @@ +/** + * 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 "PyramidWithRawTiles.h" + +#include "../Orthanc/Core/Images/PngReader.h" +#include "../Orthanc/Core/Images/JpegReader.h" +#include "../Orthanc/Core/OrthancException.h" +#include "../Jpeg2000Reader.h" + +namespace OrthancWSI +{ + Orthanc::ImageAccessor* PyramidWithRawTiles::DecodeTile(unsigned int level, + unsigned int tileX, + unsigned int tileY) + { + std::string tile; + if (!ReadRawTile(tile, level, tileX, tileY)) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); + } + + std::auto_ptr<Orthanc::ImageAccessor> result; + + switch (GetImageCompression()) + { + case ImageCompression_None: + result.reset(new Orthanc::ImageAccessor); + result->AssignReadOnly(GetPixelFormat(), + GetTileWidth(), + GetTileHeight(), + GetBytesPerPixel(GetPixelFormat()) * GetTileWidth(), + tile.c_str()); + break; + + case ImageCompression_Jpeg: + result.reset(new Orthanc::JpegReader); + dynamic_cast<Orthanc::JpegReader&>(*result).ReadFromMemory(tile); + break; + + case ImageCompression_Png: + result.reset(new Orthanc::PngReader); + dynamic_cast<Orthanc::PngReader&>(*result).ReadFromMemory(tile); + break; + + case ImageCompression_Jpeg2000: + result.reset(new Jpeg2000Reader); + dynamic_cast<Jpeg2000Reader&>(*result).ReadFromMemory(tile); + break; + + default: + throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); + } + + return result.release(); + } +}