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// 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_
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