| // Copyright 2017 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #ifndef CORE_FXCODEC_CODEC_ICODEC_BMPMODULE_H_ |
| #define CORE_FXCODEC_CODEC_ICODEC_BMPMODULE_H_ |
| |
| #include "core/fxcrt/fx_system.h" |
| |
| struct FXBMP_Context; |
| class CFX_DIBAttribute; |
| |
| // Virtual interface to avoid linking in a concrete implementation |
| // if we do not enable this codec. |
| class ICodec_BmpModule { |
| public: |
| class Delegate { |
| public: |
| virtual bool BmpInputImagePositionBuf(uint32_t rcd_pos) = 0; |
| virtual void BmpReadScanline(int32_t row_num, uint8_t* row_buf) = 0; |
| }; |
| |
| virtual ~ICodec_BmpModule() {} |
| |
| virtual FXBMP_Context* Start() = 0; |
| virtual void Finish(FXBMP_Context* pContext) = 0; |
| virtual uint32_t GetAvailInput(FXBMP_Context* pContext, |
| uint8_t** avail_buf_ptr) = 0; |
| virtual void Input(FXBMP_Context* pContext, |
| const uint8_t* src_buf, |
| uint32_t src_size) = 0; |
| virtual int32_t ReadHeader(FXBMP_Context* pContext, |
| int32_t* width, |
| int32_t* height, |
| bool* tb_flag, |
| int32_t* components, |
| int32_t* pal_num, |
| uint32_t** pal_pp, |
| CFX_DIBAttribute* pAttribute) = 0; |
| virtual int32_t LoadImage(FXBMP_Context* pContext) = 0; |
| |
| Delegate* GetDelegate() const { return m_pDelegate; } |
| void SetDelegate(Delegate* pDelegate) { m_pDelegate = pDelegate; } |
| |
| protected: |
| Delegate* m_pDelegate; |
| }; |
| |
| #endif // CORE_FXCODEC_CODEC_ICODEC_BMPMODULE_H_ |