svxfont.hxx

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#ifndef INCLUDED_EDITENG_SVXFONT_HXX
#define INCLUDED_EDITENG_SVXFONT_HXX
 
#include <editeng/svxenum.hxx>
#include <o3tl/span.hxx>
#include <tools/long.hxx>
#include <vcl/font.hxx>
#include <editeng/editengdllapi.h>
#include <tools/poly.hxx>
 
// Percentage of height of lower case small capital letters compared to upper case letters
// See i#1526# for full explanation
#define SMALL_CAPS_PERCENTAGE 80
 
class KernArray;
class SvxDoCapitals;
class OutputDevice;
class Printer;
class Point;
namespace tools { class Rectangle; }
class Size;
class EDITENG_DLLPUBLIC SvxFont : public vcl::Font
{
    SvxCaseMap   eCaseMap;      // Text Markup
    short nEsc;                 // Degree of Superscript/Subscript
    sal_uInt8  nPropr;          // Degree of reduction of the font height
 
public:
    SvxFont();
    SvxFont( const vcl::Font &rFont );
    SvxFont( const SvxFont &rFont );
 
    // Methods for Superscript/Subscript
    short GetEscapement() const { return nEsc; }
    void SetEscapement( const short nNewEsc ) { nEsc = nNewEsc; }
    // set specific values instead of automatic, and ensure valid value. Depends on nPropr being set already.
    void SetNonAutoEscapement(short nNewEsc, const OutputDevice* pOutDev = nullptr);
 
    sal_uInt8 GetPropr() const { return nPropr; }
    void SetPropr( const sal_uInt8 nNewPropr ) { nPropr = nNewPropr; }
    void SetProprRel( const sal_uInt8 nNewPropr )
        { SetPropr( static_cast<sal_uInt8>( static_cast<tools::Long>(nNewPropr) * static_cast<tools::Long>(nPropr) / 100 ) ); }
 
    SvxCaseMap GetCaseMap() const { return eCaseMap; }
    void    SetCaseMap( const SvxCaseMap eNew ) { eCaseMap = eNew; }
 
    // Is-Methods:
    bool IsCaseMap() const { return SvxCaseMap::NotMapped != eCaseMap; }
    bool IsCapital() const { return SvxCaseMap::SmallCaps == eCaseMap; }
    bool IsEsc() const { return 0 != nEsc; }
 
    // Consider Upper case, Lower case letters etc.
    OUString CalcCaseMap(const OUString &rTxt) const;
 
    // Handle upper case letters
    void DoOnCapitals(SvxDoCapitals &rDo) const;
 
    void SetPhysFont(OutputDevice& rOut) const;
    vcl::Font ChgPhysFont(OutputDevice& rOut) const;
 
    Size GetCapitalSize( const OutputDevice *pOut, const OUString &rTxt,
                          const sal_Int32 nIdx, const sal_Int32 nLen) const;
    void DrawCapital( OutputDevice *pOut, const Point &rPos, const OUString &rTxt,
                      const sal_Int32 nIdx, const sal_Int32 nLen ) const;
 
    Size GetPhysTxtSize( const OutputDevice *pOut, const OUString &rTxt,
                         const sal_Int32 nIdx, const sal_Int32 nLen ) const;
 
    Size GetPhysTxtSize( const OutputDevice *pOut );
 
    Size GetTextSize(const OutputDevice& rOut, const OUString &rTxt,
                     const sal_Int32 nIdx = 0, const sal_Int32 nLen = SAL_MAX_INT32) const;
 
    void QuickDrawText( OutputDevice *pOut, const Point &rPos, const OUString &rTxt,
                        const sal_Int32 nIdx = 0, const sal_Int32 nLen = SAL_MAX_INT32,
                        o3tl::span<const sal_Int32> pDXArray = {},
                        o3tl::span<const sal_Bool> pKashidaArray = {} ) const;
 
    Size QuickGetTextSize( const OutputDevice *pOut, const OUString &rTxt,
                           const sal_Int32 nIdx, const sal_Int32 nLen,
                           KernArray* pDXArray = nullptr ) const;
 
    void DrawPrev( OutputDevice* pOut, Printer* pPrinter,
                   const Point &rPos, const OUString &rTxt,
                   const sal_Int32 nIdx = 0, const sal_Int32 nLen = SAL_MAX_INT32 ) const;
 
    static tools::Polygon DrawArrow( OutputDevice &rOut, const tools::Rectangle& rRect,
                                    const Size& rSize, const Color& rCol, bool bLeftOrTop,
                                    bool bVertical );
 
    SvxFont&    operator=( const SvxFont& rFont );
    SvxFont&    operator=( const Font& rFont );
};
 
#endif // INCLUDED_EDITENG_SVXFONT_HXX
 
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