// 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(); ~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(); ~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_