Mercurial > hg > orthanc
diff Core/FileFormats/PngReader.h @ 455:238a0c99ced2
PNG reader
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 04 Jul 2013 15:25:15 +0200 |
parents | |
children | 63b515853299 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/FileFormats/PngReader.h Thu Jul 04 15:25:15 2013 +0200 @@ -0,0 +1,96 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2013 Medical Physics Department, CHU 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 "../Enumerations.h" + +#include <vector> +#include <stdint.h> +#include <boost/shared_ptr.hpp> + +namespace Orthanc +{ + class PngReader + { + private: + struct PngRabi; + + PixelFormat format_; + unsigned int width_; + unsigned int height_; + unsigned int pitch_; + std::vector<uint8_t> buffer_; + + void CheckHeader(const void* header); + + void Read(PngRabi& rabi); + + public: + PngReader(); + + PixelFormat GetFormat() const + { + return format_; + } + + unsigned int GetWidth() const + { + return width_; + } + + unsigned int GetHeight() const + { + return height_; + } + + unsigned int GetPitch() const + { + return pitch_; + } + + const void* GetBuffer() const + { + if (buffer_.size() > 0) + return &buffer_[0]; + else + return NULL; + } + + void ReadFromFile(const char* filename); + + void ReadFromMemory(const void* buffer, + size_t size); + + void ReadFromMemory(const std::string& buffer); + }; +}