xref: /aosp_15_r20/external/pdfium/fpdfsdk/cpdfsdk_customaccess.h (revision 3ac0a46f773bac49fa9476ec2b1cf3f8da5ec3a4)
1 // Copyright 2018 The PDFium Authors
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 FPDFSDK_CPDFSDK_CUSTOMACCESS_H_
8 #define FPDFSDK_CPDFSDK_CUSTOMACCESS_H_
9 
10 #include "core/fxcrt/fx_stream.h"
11 #include "core/fxcrt/retain_ptr.h"
12 #include "public/fpdfview.h"
13 
14 class CPDFSDK_CustomAccess final : public IFX_SeekableReadStream {
15  public:
16   CONSTRUCT_VIA_MAKE_RETAIN;
17 
18   // IFX_SeekableReadStream
19   FX_FILESIZE GetSize() override;
20   bool ReadBlockAtOffset(pdfium::span<uint8_t> buffer,
21                          FX_FILESIZE offset) override;
22 
23  private:
24   explicit CPDFSDK_CustomAccess(FPDF_FILEACCESS* pFileAccess);
25   ~CPDFSDK_CustomAccess() override;
26 
27   FPDF_FILEACCESS m_FileAccess;
28 };
29 
30 #endif  // FPDFSDK_CPDFSDK_CUSTOMACCESS_H_
31