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// Copyright 2016 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_CCODEC_BMPMODULE_H_
#define CORE_FXCODEC_CODEC_CCODEC_BMPMODULE_H_
#include <memory>
#include <vector>
#include "core/fxcrt/fx_system.h"
#include "core/fxcrt/unowned_ptr.h"
#include "third_party/base/span.h"
class CFX_DIBAttribute;
class CCodec_BmpModule {
public:
class Context {
public:
virtual ~Context() {}
};
class Delegate {
public:
virtual bool BmpInputImagePositionBuf(uint32_t rcd_pos) = 0;
virtual void BmpReadScanline(uint32_t row_num,
const std::vector<uint8_t>& row_buf) = 0;
};
CCodec_BmpModule();
~CCodec_BmpModule();
std::unique_ptr<Context> Start(Delegate* pDelegate);
FX_FILESIZE GetAvailInput(Context* pContext, uint8_t** avail_buf_ptr);
void Input(Context* pContext, pdfium::span<uint8_t> src_buf);
int32_t ReadHeader(Context* pContext,
int32_t* width,
int32_t* height,
bool* tb_flag,
int32_t* components,
int32_t* pal_num,
std::vector<uint32_t>* palette,
CFX_DIBAttribute* pAttribute);
int32_t LoadImage(Context* pContext);
};
#endif // CORE_FXCODEC_CODEC_CCODEC_BMPMODULE_H_
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