1 /* 2 RawSpeed - RAW file decoder. 3 4 Copyright (C) 2017 Axel Waggershauser 5 6 This library is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public 8 License as published by the Free Software Foundation; either 9 version 2 of the License, or (at your option) any later version. 10 11 This library is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with this library; if not, write to the Free Software 18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 #pragma once 22 23 #include "decompressors/AbstractLJpegDecompressor.h" // for AbstractLJpegDe... 24 #include <cstdint> // for uint32_t 25 26 namespace rawspeed { 27 28 class ByteStream; 29 class RawImage; 30 31 // Decompresses Lossless JPEGs, with 2-4 components 32 33 class LJpegDecompressor final : public AbstractLJpegDecompressor 34 { 35 void decodeScan() override; 36 template <int N_COMP, bool WeirdWidth = false> void decodeN(); 37 38 uint32_t offX = 0; 39 uint32_t offY = 0; 40 uint32_t w = 0; 41 uint32_t h = 0; 42 43 uint32_t fullBlocks = 0; 44 uint32_t trailingPixels = 0; 45 46 public: 47 LJpegDecompressor(const ByteStream& bs, const RawImage& img); 48 49 void decode(uint32_t offsetX, uint32_t offsetY, uint32_t width, 50 uint32_t height, bool fixDng16Bug_); 51 }; 52 53 } // namespace rawspeed 54