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