PdfEncodingMapFactory.h

// SPDX-FileCopyrightText: 2007 Dominik Seichter <domseichter@web.de>
// SPDX-FileCopyrightText: 2020 Francesco Pretto <ceztko@gmail.com>
// SPDX-License-Identifier: LGPL-2.0-or-later OR MPL-2.0
 
#ifndef PDF_ENCODING_MAP_FACTORY_H
#define PDF_ENCODING_MAP_FACTORY_H
 
#include "PdfEncodingMap.h"
#include "PdfCMapEncoding.h"
 
namespace PoDoFo {
 
class PODOFO_API PdfEncodingMapFactory final
{
    friend class PdfEncoding;
    friend class PdfEncodingFactory;
    friend class PdfDifferenceEncoding;
    friend class PdfFontMetricsFreetype;
    friend class PdfFontMetrics;
 
public:
    static bool TryParseCMapEncoding(const PdfObject& cmapObj, std::unique_ptr<PdfEncodingMap>& encoding);
 
    static std::unique_ptr<PdfEncodingMap> ParseCMapEncoding(const PdfObject& cmapObj);
 
    static PdfBuiltInEncodingConstPtr GetWinAnsiEncodingInstancePtr();
    static const PdfBuiltInEncoding& GetWinAnsiEncodingInstance();
 
    static PdfBuiltInEncodingConstPtr GetMacRomanEncodingInstancePtr();
    static const PdfBuiltInEncoding& GetMacRomanEncodingInstance();
 
    static PdfBuiltInEncodingConstPtr GetMacExpertEncodingInstancePtr();
    static const PdfBuiltInEncoding& GetMacExpertEncodingInstance();
 
    static PdfBuiltInEncodingConstPtr GetStandardEncodingInstancePtr();
    static const PdfBuiltInEncoding& GetStandardEncodingInstance();
 
    static PdfEncodingMapConstPtr GetHorizontalIdentityEncodingInstancePtr();
    static const PdfEncodingMap& GetHorizontalIdentityEncodingInstance();
 
    static PdfEncodingMapConstPtr GetVerticalIdentityEncodingInstancePtr();
    static const PdfEncodingMap& GetVerticalIdentityEncodingInstance();
 
    static PdfEncodingMapConstPtr GetStandard14FontEncodingInstancePtr(PdfStandard14FontType stdFont);
    static const PdfEncodingMap& GetStandard14FontEncodingInstance(PdfStandard14FontType stdFont);
 
    static PdfCMapEncodingConstPtr GetPredefinedCMapInstancePtr(const std::string_view& cmapName);
    static const PdfCMapEncoding& GetPredefinedCMapInstance(const std::string_view& cmapName);
private:
    // The following encodings are for internal use only
 
    static const PdfBuiltInEncodingConstPtr& GetSymbolEncodingInstancePtr();
 
    static const PdfBuiltInEncodingConstPtr& GetZapfDingbatsEncodingInstancePtr();
 
    static const PdfBuiltInEncodingConstPtr& GetAppleLatin1EncodingInstancePtr();
 
    static const PdfEncodingMapConstPtr& GetNullEncodingInstancePtr();
 
private:
    PdfEncodingMapFactory() = delete;
 
    static const PdfBuiltInEncodingConstPtr& getWinAnsiEncodingInstancePtr();
    static const PdfBuiltInEncodingConstPtr& getMacRomanEncodingInstancePtr();
    static const PdfBuiltInEncodingConstPtr& getMacExpertEncodingInstancePtr();
    static const PdfBuiltInEncodingConstPtr& getStandardEncodingInstancePtr();
    static const PdfEncodingMapConstPtr& getHorizontalIdentityEncodingInstancePtr();
    static const PdfEncodingMapConstPtr& getVerticalIdentityEncodingInstancePtr();
    static const PdfBuiltInEncodingConstPtr& getStandard14FontEncodingInstancePtr(PdfStandard14FontType stdFont);
};
 
}
 
#endif // PDF_ENCODING_MAP_FACTORY_H