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// Copyright 2016 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_FPDFDOC_CPDF_VIEWERPREFERENCES_H_
#define CORE_FPDFDOC_CPDF_VIEWERPREFERENCES_H_
#include "core/fxcrt/fx_string.h"
#include "core/fxcrt/fx_system.h"
#include "core/fxcrt/unowned_ptr.h"
#include "third_party/base/optional.h"
class CPDF_Array;
class CPDF_Dictionary;
class CPDF_Document;
class CPDF_ViewerPreferences {
public:
explicit CPDF_ViewerPreferences(const CPDF_Document* pDoc);
~CPDF_ViewerPreferences();
bool IsDirectionR2L() const;
bool PrintScaling() const;
int32_t NumCopies() const;
const CPDF_Array* PrintPageRange() const;
ByteString Duplex() const;
// Gets the entry for |bsKey|.
Optional<ByteString> GenericName(const ByteString& bsKey) const;
private:
const CPDF_Dictionary* GetViewerPreferences() const;
UnownedPtr<const CPDF_Document> const m_pDoc;
};
#endif // CORE_FPDFDOC_CPDF_VIEWERPREFERENCES_H_
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