forked from mirrors/gecko-dev
68 lines
No EOL
2 KiB
C++
68 lines
No EOL
2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef PDFIUMENGINESHIM_H
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#define PDFIUMENGINESHIM_H
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#include "prlink.h"
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#include "fpdfview.h"
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/* include windows.h for the HDC definitions that we need. */
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#include <windows.h>
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#include "private/pprio.h"
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#include "mozilla/UniquePtr.h"
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namespace mozilla {
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namespace widget {
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struct PDFFunctionPointerTable;
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/**
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* This class exposes an interface to the PDFium library and
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* takes care of loading and linking to the appropriate PDFium symbols.
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*/
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class PDFiumEngineShim
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{
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(PDFiumEngineShim)
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static already_AddRefed<PDFiumEngineShim> GetInstanceOrNull();
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// This function is used for testing purpose only, do not call it in regular
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// code.
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static already_AddRefed<PDFiumEngineShim>
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GetInstanceOrNull(const nsString& aLibrary);
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FPDF_DOCUMENT LoadDocument(FPDF_STRING file_path,
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FPDF_BYTESTRING aPassword);
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FPDF_DOCUMENT LoadDocument(PRFileDesc* aPrfile,
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FPDF_BYTESTRING aPassword);
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void CloseDocument(FPDF_DOCUMENT aDocument);
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int GetPageCount(FPDF_DOCUMENT aDocument);
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int GetPageSizeByIndex(FPDF_DOCUMENT aDocument, int aPageIndex,
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double* aWidth, double* aHeight);
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FPDF_PAGE LoadPage(FPDF_DOCUMENT aDocument, int aPageIndex);
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void ClosePage(FPDF_PAGE aPage);
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void RenderPage(HDC aDC, FPDF_PAGE aPage,
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int aStartX, int aStartY,
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int aSizeX, int aSizeY,
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int aRotate, int aFlags);
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private:
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PDFiumEngineShim();
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~PDFiumEngineShim();
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bool Init(const nsString& aLibrary);
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UniquePtr<PDFFunctionPointerTable> mTable;
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bool mInitialized ;
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PRLibrary* mPRLibrary;
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};
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} // namespace widget
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} // namespace mozilla
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#endif /* PDFIUMENGINESHIM_H */ |