fontcharmap.hxx

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#ifndef INCLUDED_FONTCHARMAP_HXX
#define INCLUDED_FONTCHARMAP_HXX

#include <vcl/dllapi.h>
#include <tools/ref.hxx>

class ImplFontCharMap;
class CmapResult;
class FontCharMap;
class OutputDevice;

typedef sal_uInt32 sal_UCS4;
typedef tools::SvRef<ImplFontCharMap> ImplFontCharMapRef;
typedef tools::SvRef<FontCharMap> FontCharMapRef;

class VCL_DLLPUBLIC FontCharMap : public SvRefBase
{
public:
    FontCharMap();
    FontCharMap( const CmapResult& rCR );
    virtual ~FontCharMap() override;

    static FontCharMapRef GetDefaultMap( bool bSymbols );

    bool                IsDefaultMap() const;

    bool                HasChar( sal_UCS4 ) const;

    int                 CountCharsInRange( sal_UCS4 cMin, sal_UCS4 cMax ) const;

    int                 GetCharCount() const;

    sal_UCS4            GetFirstChar() const;

    sal_UCS4            GetLastChar() const;

    sal_UCS4            GetNextChar( sal_UCS4 cChar ) const;

    sal_UCS4            GetPrevChar( sal_UCS4 cChar ) const;

    int                 GetIndexFromChar( sal_UCS4 cChar ) const;

    sal_UCS4            GetCharFromIndex( int nCharIndex ) const;

    int                 GetGlyphIndex( sal_UCS4 ) const;

private:
    ImplFontCharMapRef mpImplFontCharMap;

    friend class ::OutputDevice;

    int                 findRangeIndex( sal_UCS4 ) const;

                        FontCharMap( ImplFontCharMapRef const & pIFCMap );

    // prevent assignment and copy construction
                        FontCharMap( const FontCharMap& ) = delete;
    void                operator=( const FontCharMap& ) = delete;
};

// CmapResult is a normalized version of the many CMAP formats
class VCL_PLUGIN_PUBLIC CmapResult
{
public:
    explicit            CmapResult( bool bSymbolic = false,
                            const sal_UCS4* pRangeCodes = nullptr, int nRangeCount = 0 );

    const sal_UCS4*     mpRangeCodes;
    const int*          mpStartGlyphs;
    const sal_uInt16*   mpGlyphIds;
    int                 mnRangeCount;
    bool                mbSymbolic;
    bool                mbRecoded;
};

#endif // INCLUDED_FONTCHARMAP_HXX

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