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_BMPMODULE_H_ 8 #define CORE_FXCODEC_CODEC_CCODEC_BMPMODULE_H_ 9 10 #include <memory> 11 #include <vector> 12 13 #include "core/fxcrt/fx_system.h" 14 #include "core/fxcrt/unowned_ptr.h" 15 16 class CFX_DIBAttribute; 17 18 class CCodec_BmpModule { 19 public: 20 class Context { 21 public: ~Context()22 virtual ~Context() {} 23 }; 24 25 class Delegate { 26 public: 27 virtual bool BmpInputImagePositionBuf(uint32_t rcd_pos) = 0; 28 virtual void BmpReadScanline(uint32_t row_num, 29 const std::vector<uint8_t>& row_buf) = 0; 30 }; 31 32 CCodec_BmpModule(); 33 ~CCodec_BmpModule(); 34 35 std::unique_ptr<Context> Start(Delegate* pDelegate); 36 uint32_t GetAvailInput(Context* pContext, uint8_t** avail_buf_ptr); 37 void Input(Context* pContext, const uint8_t* src_buf, uint32_t src_size); 38 int32_t ReadHeader(Context* pContext, 39 int32_t* width, 40 int32_t* height, 41 bool* tb_flag, 42 int32_t* components, 43 int32_t* pal_num, 44 std::vector<uint32_t>* palette, 45 CFX_DIBAttribute* pAttribute); 46 int32_t LoadImage(Context* pContext); 47 }; 48 49 #endif // CORE_FXCODEC_CODEC_CCODEC_BMPMODULE_H_ 50