PdfPredefinedToUnicodeCMap.h

// SPDX-FileCopyrightText: 2022 Francesco Pretto <ceztko@gmail.com>
// SPDX-License-Identifier: LGPL-2.0-or-later OR MPL-2.0
 
#ifndef PDF_PREDEFINED_TO_UNICODE_CMAP_H
#define PDF_PREDEFINED_TO_UNICODE_CMAP_H
 
#include "PdfCMapEncoding.h"
 
namespace PoDoFo
{
    class PODOFO_API PdfPredefinedToUnicodeCMap final : public PdfEncodingMap
    {
        friend class PdfEncodingFactory;
 
    private:
        PdfPredefinedToUnicodeCMap(PdfCMapEncodingConstPtr&& toUnicode, PdfCMapEncodingConstPtr&& cidEncoding);
 
    public:
        const PdfEncodingLimits& GetLimits() const override;
 
    protected:
        bool tryGetCodePoints(const PdfCharCode& codeUnit, const unsigned* cidId, CodePointSpan& codePoints) const override;
        bool tryGetCharCode(char32_t codePoint, PdfCharCode& codeUnit) const override;
        bool tryGetCharCodeSpan(const unicodeview& ligature, PdfCharCode& codeUnit) const override;
 
        void AppendToUnicodeEntries(OutputStream& stream, const PdfFont& font, charbuff& temp) const override;
        void AppendCIDMappingEntries(OutputStream& stream, const PdfFont& font, charbuff& temp) const override;
 
    public:
        const PdfCMapEncoding& GetToUnicodeMap() { return *m_ToUnicode; }
        const PdfCMapEncoding& GetCIDEncodingMap() { return *m_CIDEncoding; }
 
    private:
        PdfCMapEncodingConstPtr m_ToUnicode;
        PdfCMapEncodingConstPtr m_CIDEncoding;
    };
}
 
#endif // PDF_PREDEFINED_TO_UNICODE_CMAP_H