qrawfont.cpp File Reference

#include "qglobal.h"
#include "qrawfont.h"
#include "qrawfont_p.h"
#include <QtCore/qendian.h>

Go to the source code of this file.

Functions
QList< QFontDatabase::WritingSystem >	qt_determine_writing_systems_from_truetype_bits (quint32 unicodeRange[4], quint32 codePageRange[2])
int	qt_script_for_writing_system (QFontDatabase::WritingSystem writingSystem)

Function Documentation

qt_determine_writing_systems_from_truetype_bits()

QList<QFontDatabase::WritingSystem> qt_determine_writing_systems_from_truetype_bits	(	quint32	unicodeRange[4],
		quint32	codePageRange[2]
	)

Definition at line 587 of file qfontdatabase.cpp.

Referenced by addFontToDatabase(), QFontDatabasePrivate::addTTFile(), QRawFont::fontTable(), initWritingSystems(), and QRawFont::supportedWritingSystems().

{
    QList<QFontDatabase::WritingSystem> writingSystems;
    bool hasScript = false;

    int i;
    for(i = 0; i < QFontDatabase::WritingSystemsCount; i++) {
        int bit = requiredUnicodeBits[i][0];
        int index = bit/32;
        int flag =  1 << (bit&31);
        if (bit != 126 && unicodeRange[index] & flag) {
            bit = requiredUnicodeBits[i][1];
            index = bit/32;

            flag =  1 << (bit&31);
            if (bit == 127 || unicodeRange[index] & flag) {
                writingSystems.append(QFontDatabase::WritingSystem(i));
                hasScript = true;
                // qDebug("font %s: index=%d, flag=%8x supports script %d", familyName.latin1(), index, flag, i);
            }
        }
    }
    if(codePageRange[0] & (1 << SimplifiedChineseCsbBit)) {
        writingSystems.append(QFontDatabase::SimplifiedChinese);
        hasScript = true;
        //qDebug("font %s supports Simplified Chinese", familyName.latin1());
    }
    if(codePageRange[0] & (1 << TraditionalChineseCsbBit)) {
        writingSystems.append(QFontDatabase::TraditionalChinese);
        hasScript = true;
        //qDebug("font %s supports Traditional Chinese", familyName.latin1());
    }
    if(codePageRange[0] & (1 << JapaneseCsbBit)) {
        writingSystems.append(QFontDatabase::Japanese);
        hasScript = true;
        //qDebug("font %s supports Japanese", familyName.latin1());
    }
    if(codePageRange[0] & (1 << KoreanCsbBit)) {
        writingSystems.append(QFontDatabase::Korean);
        hasScript = true;
        //qDebug("font %s supports Korean", familyName.latin1());
    }
    if (!hasScript)
        writingSystems.append(QFontDatabase::Symbol);

    return writingSystems;
}

qt_script_for_writing_system()

int qt_script_for_writing_system

(

QFontDatabase::WritingSystem

writingSystem

)

Definition at line 938 of file qfontdatabase.cpp.

Referenced by QRawFont::fromFont(), and QRawFont::supportsCharacter().

{
    return scriptForWritingSystem[writingSystem];
}