1 // Copyright 2016 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef CORE_FXCODEC_CODEC_CCODEC_FLATEMODULE_H_ 8 #define CORE_FXCODEC_CODEC_CCODEC_FLATEMODULE_H_ 9 10 #include <memory> 11 12 #include "core/fxcrt/fx_system.h" 13 14 class CCodec_ScanlineDecoder; 15 16 class CCodec_FlateModule { 17 public: 18 std::unique_ptr<CCodec_ScanlineDecoder> CreateDecoder(const uint8_t* src_buf, 19 uint32_t src_size, 20 int width, 21 int height, 22 int nComps, 23 int bpc, 24 int predictor, 25 int Colors, 26 int BitsPerComponent, 27 int Columns); 28 uint32_t FlateOrLZWDecode(bool bLZW, 29 const uint8_t* src_buf, 30 uint32_t src_size, 31 bool bEarlyChange, 32 int predictor, 33 int Colors, 34 int BitsPerComponent, 35 int Columns, 36 uint32_t estimated_size, 37 uint8_t** dest_buf, 38 uint32_t* dest_size); 39 40 bool Encode(const uint8_t* src_buf, 41 uint32_t src_size, 42 uint8_t** dest_buf, 43 uint32_t* dest_size); 44 45 bool PngEncode(const uint8_t* src_buf, 46 uint32_t src_size, 47 uint8_t** dest_buf, 48 uint32_t* dest_size); 49 }; 50 51 #endif // CORE_FXCODEC_CODEC_CCODEC_FLATEMODULE_H_ 52