ftface.h

/*
For general Scribus (>=1.3.2) copyright and licensing information please refer
to the COPYING file provided with the program. Following this notice may exist
a copyright and/or license notice that predates the release of Scribus 1.3.2
for which a new license (GPL+exception) is in place.
*/

#ifndef FT_FACE_H
#define FT_FACE_H

#include <QString>
#include <QMap>

#include "scribusapi.h"

#include "fonts/scface.h"

#include <ft2build.h>
#include FT_FREETYPE_H

#include "fpointarray.h"

FT_Error ftIOFunc( FT_Stream stream, unsigned long pos, unsigned char* buffer, unsigned long count);


struct SCRIBUS_API FtFace : public ScFace::ScFaceData
{

    FtFace(QString fam, QString sty, QString variant, QString scname, 
           QString psname, QString path, int face);

    FT_Face ftFace() const;

    virtual ~FtFace();

    // font metrics
    qreal ascent(qreal sz=1.0)    const { return m_ascent * sz; }
    qreal descent(qreal sz=1.0)   const { return m_descent * sz; }
    qreal xHeight(qreal sz=1.0)   const { return m_xHeight * sz; }
    qreal capHeight(qreal sz=1.0) const { return m_capHeight * sz; }
    qreal height(qreal sz=1.0)    const { return m_height * sz; }
    qreal strikeoutPos(qreal sz=1.0)    const { return m_strikeoutPos * sz; }
    qreal underlinePos(qreal sz=1.0)    const { return m_underlinePos * sz; }
    qreal strokeWidth(qreal /*sz*/)     const { return m_strokeWidth; }
    qreal maxAdvanceWidth(qreal sz=1.0) const { return m_maxAdvanceWidth * sz; }
    QString pdfAscentAsString()      const { return m_pdfAscent; }
    QString pdfDescentAsString()     const { return m_pdfDescender; }
    QString pdfCapHeightAsString()   const { return m_pdfCapHeight; }
    QString pdfFontBBoxAsString()    const { return m_pdfFontBBox; }
    QString italicAngleAsString()    const { return m_italicAngle; }


//FIXME QMap<QString,QString> fontDictionary(qreal sz=1.0)      const;

    ScFace::gid_type    char2CMap(QChar ch)                         const;

    qreal       glyphKerning (ScFace::gid_type gl1, ScFace::gid_type gl2, qreal sz) const;
//  GlyphMetrics glyphBBox (gid_type gl,               qreal sz) const;

    void RawData   (QByteArray & bb)            const;

    static bool hasMicrosoftUnicodeCmap(FT_Face face);
    static QString adobeGlyphName(FT_ULong charcode);
    virtual bool glyphNames(ScFace::FaceEncoding& GList) const;

    void load      ()                           const;
    void unload    ()                           const;
    void loadGlyph (ScFace::gid_type gl)        const;

protected:
    mutable FT_Face m_face;

    static FT_Library library;

    mutable QString m_pdfAscent;
    mutable QString m_pdfCapHeight;
    mutable QString m_pdfDescender;
    mutable QString m_italicAngle;
    mutable QString m_pdfFontBBox;

    mutable int m_encoding;

    mutable qreal m_uniEM;
    mutable qreal m_ascent;
    mutable qreal m_descent;
    mutable qreal m_height;
    mutable qreal m_xHeight;
    mutable qreal m_capHeight;
    mutable qreal m_maxAdvanceWidth;
    mutable qreal m_underlinePos;
    mutable qreal m_strikeoutPos;
    mutable qreal m_strokeWidth;

};

#endif