1 // Copyright 2016 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #ifndef CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_STREAM_ACC_H_
8 #define CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_STREAM_ACC_H_
9 
10 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
11 #include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h"
12 #include "core/fxcrt/include/fx_string.h"
13 #include "core/fxcrt/include/fx_system.h"
14 
15 class CPDF_StreamAcc {
16  public:
17   CPDF_StreamAcc();
18   ~CPDF_StreamAcc();
19 
20   void LoadAllData(const CPDF_Stream* pStream,
21                    FX_BOOL bRawAccess = FALSE,
22                    uint32_t estimated_size = 0,
23                    FX_BOOL bImageAcc = FALSE);
24 
GetStream()25   const CPDF_Stream* GetStream() const { return m_pStream; }
GetDict()26   CPDF_Dictionary* GetDict() const {
27     return m_pStream ? m_pStream->GetDict() : nullptr;
28   }
29 
30   const uint8_t* GetData() const;
31   uint32_t GetSize() const;
GetImageDecoder()32   const CFX_ByteString& GetImageDecoder() const { return m_ImageDecoder; }
GetImageParam()33   const CPDF_Dictionary* GetImageParam() const { return m_pImageParam; }
34   uint8_t* DetachData();
35 
36  protected:
37   uint8_t* m_pData;
38   uint32_t m_dwSize;
39   FX_BOOL m_bNewBuf;
40   CFX_ByteString m_ImageDecoder;
41   CPDF_Dictionary* m_pImageParam;
42   const CPDF_Stream* m_pStream;
43   uint8_t* m_pSrcData;
44 };
45 
46 #endif  // CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_STREAM_ACC_H_
47