static qreal fitFontSizeToGeometry( const QString& text, const QFont& font, const QRectF& geometry, const TextAttributes& ta )
{
QFont f = font;
const qreal origResult = f.pointSizeF();
qreal result = origResult;
const QSizeF mySize = geometry.size();
if ( mySize.isNull() )
return result;
const QString t = text;
QFontMetrics fm( f );
while ( true )
{
const QSizeF textSize = rotatedRect( fm.boundingRect( t ), ta.rotation() ).normalized().size();
if ( textSize.height() <= mySize.height() && textSize.width() <= mySize.width() )
return result;
result -= 0.5;
if ( result <= 0.0 )
return origResult;
f.setPointSizeF( result );
fm = QFontMetrics( f );
}
}
bool TextAttributes::operator==( const TextAttributes& r ) const
{
// the following works around a bug in gcc 4.3.2
// causing StyleHint to be set to Zero when copying a QFont
const QFont myFont( font() );
QFont r_font( r.font() );
r_font.setStyleHint( myFont.styleHint(), myFont.styleStrategy() );
return ( isVisible() == r.isVisible() &&
myFont == r_font &&
fontSize() == r.fontSize() &&
minimalFontSize() == r.minimalFontSize() &&
autoRotate() == r.autoRotate() &&
autoShrink() == r.autoShrink() &&
rotation() == r.rotation() &&
pen() == r.pen() &&
textDocument() == r.textDocument() );
}