// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef CORE_FPDFAPI_FPDF_EDIT_EDITINT_H_
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#define CORE_FPDFAPI_FPDF_EDIT_EDITINT_H_
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#include <vector>
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#include "core/fxcrt/include/fx_basic.h"
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#include "core/fxcrt/include/fx_stream.h"
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#include "core/fxcrt/include/fx_system.h"
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class CPDF_Creator;
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class CPDF_Object;
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class CPDF_ObjectStream {
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public:
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struct Item {
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uint32_t objnum;
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FX_STRSIZE offset;
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};
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CPDF_ObjectStream();
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~CPDF_ObjectStream();
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void Start();
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FX_FILESIZE End(CPDF_Creator* pCreator);
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void CompressIndirectObject(uint32_t dwObjNum, const CPDF_Object* pObj);
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void CompressIndirectObject(uint32_t dwObjNum,
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const uint8_t* pBuffer,
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uint32_t dwSize);
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std::vector<Item> m_Items;
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CFX_ByteTextBuf m_Buffer;
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uint32_t m_dwObjNum;
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int32_t m_index;
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};
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class CPDF_XRefStream {
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public:
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struct Index {
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uint32_t objnum;
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uint32_t count;
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};
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CPDF_XRefStream();
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~CPDF_XRefStream();
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FX_BOOL Start();
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int32_t CompressIndirectObject(uint32_t dwObjNum,
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const CPDF_Object* pObj,
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CPDF_Creator* pCreator);
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int32_t CompressIndirectObject(uint32_t dwObjNum,
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const uint8_t* pBuffer,
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uint32_t dwSize,
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CPDF_Creator* pCreator);
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FX_BOOL End(CPDF_Creator* pCreator, FX_BOOL bEOF = FALSE);
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void AddObjectNumberToIndexArray(uint32_t objnum);
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FX_BOOL EndXRefStream(CPDF_Creator* pCreator);
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std::vector<Index> m_IndexArray;
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FX_FILESIZE m_PrevOffset;
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uint32_t m_dwTempObjNum;
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protected:
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int32_t EndObjectStream(CPDF_Creator* pCreator, FX_BOOL bEOF = TRUE);
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FX_BOOL GenerateXRefStream(CPDF_Creator* pCreator, FX_BOOL bEOF);
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size_t m_iSeg;
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CPDF_ObjectStream m_ObjStream;
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CFX_ByteTextBuf m_Buffer;
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};
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#endif // CORE_FPDFAPI_FPDF_EDIT_EDITINT_H_
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