qglyphrun.cpp

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#include "qglobal.h"

#if !defined(QT_NO_RAWFONT)

#include "qglyphrun.h"
#include "qglyphrun_p.h"

QT_BEGIN_NAMESPACE

QGlyphRun::QGlyphRun() : d(new QGlyphRunPrivate)
{
}

QGlyphRun::QGlyphRun(const QGlyphRun &other)
{
    d = other.d;
}

QGlyphRun::~QGlyphRun()
{
    // Required for QExplicitlySharedDataPointer
}

void QGlyphRun::detach()
{
    if (d->ref != 1)
        d.detach();
}

QGlyphRun &QGlyphRun::operator=(const QGlyphRun &other)
{
    d = other.d;
    return *this;
}

bool QGlyphRun::operator==(const QGlyphRun &other) const
{
    if (d == other.d)
        return true;

    if ((d->glyphIndexDataSize != other.d->glyphIndexDataSize)
     || (d->glyphPositionDataSize != other.d->glyphPositionDataSize)) {
        return false;
    }

    if (d->glyphIndexData != other.d->glyphIndexData) {
        for (int i = 0; i < d->glyphIndexDataSize; ++i) {
            if (d->glyphIndexData[i] != other.d->glyphIndexData[i])
               return false;
        }
    }
    if (d->glyphPositionData != other.d->glyphPositionData) {
        for (int i = 0; i < d->glyphPositionDataSize; ++i) {
            if (d->glyphPositionData[i] != other.d->glyphPositionData[i])
               return false;
        }
    }

    return (d->overline == other.d->overline
            && d->underline == other.d->underline
            && d->strikeOut == other.d->strikeOut
            && d->rawFont == other.d->rawFont);
}

QRawFont QGlyphRun::rawFont() const
{
    return d->rawFont;
}

void QGlyphRun::setRawFont(const QRawFont &rawFont)
{
    detach();
    d->rawFont = rawFont;
}

QVector<quint32> QGlyphRun::glyphIndexes() const
{
    if (d->glyphIndexes.constData() == d->glyphIndexData) {
        return d->glyphIndexes;
    } else {
        QVector<quint32> indexes(d->glyphIndexDataSize);
        qMemCopy(indexes.data(), d->glyphIndexData, d->glyphIndexDataSize * sizeof(quint32));
        return indexes;
    }
}

void QGlyphRun::setGlyphIndexes(const QVector<quint32> &glyphIndexes)
{
    detach();
    d->glyphIndexes = glyphIndexes; // Keep a reference to the QVector to avoid copying
    d->glyphIndexData = glyphIndexes.constData();
    d->glyphIndexDataSize = glyphIndexes.size();
}

QVector<QPointF> QGlyphRun::positions() const
{
    if (d->glyphPositions.constData() == d->glyphPositionData) {
        return d->glyphPositions;
    } else {
        QVector<QPointF> glyphPositions(d->glyphPositionDataSize);
        qMemCopy(glyphPositions.data(), d->glyphPositionData,
                 d->glyphPositionDataSize * sizeof(QPointF));
        return glyphPositions;
    }
}

void QGlyphRun::setPositions(const QVector<QPointF> &positions)
{
    detach();
    d->glyphPositions = positions; // Keep a reference to the vector to avoid copying
    d->glyphPositionData = positions.constData();
    d->glyphPositionDataSize = positions.size();
}

void QGlyphRun::clear()
{
    detach();
    d->rawFont = QRawFont();
    d->strikeOut = false;
    d->overline = false;
    d->underline = false;

    setPositions(QVector<QPointF>());
    setGlyphIndexes(QVector<quint32>());
}

void QGlyphRun::setRawData(const quint32 *glyphIndexArray, const QPointF *glyphPositionArray,
                           int size)
{
    detach();
    d->glyphIndexes.clear();
    d->glyphPositions.clear();

    d->glyphIndexData = glyphIndexArray;
    d->glyphPositionData = glyphPositionArray;
    d->glyphIndexDataSize = d->glyphPositionDataSize = size;
}

bool QGlyphRun::overline() const
{
    return d->overline;
}

void QGlyphRun::setOverline(bool overline)
{
    if (d->overline == overline)
        return;

    detach();
    d->overline = overline;
}

bool QGlyphRun::underline() const
{
    return d->underline;
}

void QGlyphRun::setUnderline(bool underline)
{
    if (d->underline == underline)
        return;

    detach();
    d->underline = underline;
}

bool QGlyphRun::strikeOut() const
{
    return d->strikeOut;
}

void QGlyphRun::setStrikeOut(bool strikeOut)
{
    if (d->strikeOut == strikeOut)
        return;

    detach();
    d->strikeOut = strikeOut;
}

QT_END_NAMESPACE

#endif // QT_NO_RAWFONT