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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_FPDFAPI_EDIT_CPDF_XREFSTREAM_H_
#define CORE_FPDFAPI_EDIT_CPDF_XREFSTREAM_H_
#include <vector>
class CPDF_Creator;
class CPDF_Object;
class CPDF_XRefStream {
public:
struct Index {
uint32_t objnum;
uint32_t count;
};
CPDF_XRefStream();
~CPDF_XRefStream();
bool Start();
int32_t CompressIndirectObject(uint32_t dwObjNum,
const CPDF_Object* pObj,
CPDF_Creator* pCreator);
int32_t CompressIndirectObject(uint32_t dwObjNum,
const uint8_t* pBuffer,
uint32_t dwSize,
CPDF_Creator* pCreator);
bool End(CPDF_Creator* pCreator, bool bEOF);
void AddObjectNumberToIndexArray(uint32_t objnum);
bool EndXRefStream(CPDF_Creator* pCreator);
std::vector<Index> m_IndexArray;
FX_FILESIZE m_PrevOffset;
uint32_t m_dwTempObjNum;
protected:
int32_t EndObjectStream(CPDF_Creator* pCreator, bool bEOF);
bool GenerateXRefStream(CPDF_Creator* pCreator, bool bEOF);
size_t m_iSeg;
CPDF_ObjectStream m_ObjStream;
CFX_ByteTextBuf m_Buffer;
};
#endif // CORE_FPDFAPI_EDIT_CPDF_XREFSTREAM_H_
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