LJpegDecoder.h

Go to the documentation of this file.

/*
    RawSpeed - RAW file decoder.
 
    Copyright (C) 2017 Axel Waggershauser
 
    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 "adt/Point.h"
#include "decompressors/AbstractLJpegDecoder.h"
#include <cstdint>
 
namespace rawspeed {
 
class ByteStream;
class RawImage;
 
// Decompresses Lossless JPEGs, with 2-4 components
 
class LJpegDecoder final : public AbstractLJpegDecoder {
  [[nodiscard]] ByteStream::size_type decodeScan() override;
 
  uint32_t offX = 0;
  uint32_t offY = 0;
  uint32_t w = 0;
  uint32_t h = 0;
 
  iPoint2D maxDim;
 
public:
  LJpegDecoder(ByteStream bs, const RawImage& img);
 
  void decode(uint32_t offsetX, uint32_t offsetY, uint32_t width,
              uint32_t height, iPoint2D maxDim, bool fixDng16Bug_);
};
 
} // namespace rawspeed