JpegDecompressor.h

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/*
    RawSpeed - RAW file decoder.
 
    Copyright (C) 2017 Roman Lebedev
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library 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
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
 
#pragma once
 
#include "rawspeedconfig.h"
 
#ifdef HAVE_JPEG
 
#include "common/RawImage.h"
#include "decompressors/AbstractDecompressor.h"
#include "io/Buffer.h"
#include <cstdint>
#include <utility>
 
namespace rawspeed {
 
class JpegDecompressor final : public AbstractDecompressor {
  struct JpegDecompressStruct;
 
  Buffer input;
  RawImage mRaw;
 
public:
  JpegDecompressor(Buffer bs, RawImage img) : input(bs), mRaw(std::move(img)) {}
 
  void decode(uint32_t offsetX, uint32_t offsetY);
};
 
} // namespace rawspeed
 
#else
 
#pragma message                                                                \
    "JPEG is not present! Lossy JPEG compression will not be supported!"
 
#endif