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// Copyright 2014 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_FPDF_EDIT_EDITINT_H_
#define CORE_FPDFAPI_FPDF_EDIT_EDITINT_H_
#include <vector>
#include "core/fxcrt/include/fx_basic.h"
#include "core/fxcrt/include/fx_stream.h"
#include "core/fxcrt/include/fx_system.h"
class CPDF_Creator;
class CPDF_Object;
class CPDF_ObjectStream {
public:
struct Item {
uint32_t objnum;
FX_STRSIZE offset;
};
CPDF_ObjectStream();
void Start();
FX_FILESIZE End(CPDF_Creator* pCreator);
void CompressIndirectObject(uint32_t dwObjNum, const CPDF_Object* pObj);
void CompressIndirectObject(uint32_t dwObjNum,
const uint8_t* pBuffer,
uint32_t dwSize);
std::vector<Item> m_Items;
CFX_ByteTextBuf m_Buffer;
uint32_t m_dwObjNum;
int32_t m_index;
};
class CPDF_XRefStream {
public:
struct Index {
uint32_t objnum;
uint32_t count;
};
CPDF_XRefStream();
FX_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);
FX_BOOL End(CPDF_Creator* pCreator, FX_BOOL bEOF = FALSE);
void AddObjectNumberToIndexArray(uint32_t objnum);
FX_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, FX_BOOL bEOF = TRUE);
FX_BOOL GenerateXRefStream(CPDF_Creator* pCreator, FX_BOOL bEOF);
size_t m_iSeg;
CPDF_ObjectStream m_ObjStream;
CFX_ByteTextBuf m_Buffer;
};
#endif // CORE_FPDFAPI_FPDF_EDIT_EDITINT_H_
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