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whitespacenode: updated drawing/calculating

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jkriege2 2022-08-07 17:50:38 +02:00
parent 8af79cb927
commit ad171c161f
1 changed files with 10 additions and 5 deletions
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15
lib/jkqtmathtext/nodes/jkqtmathtextwhitespacenode.cpp
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@ -236,17 +236,23 @@ JKQTMathTextEmptyBoxNode::Units JKQTMathTextEmptyBoxNode::String2Units(QString t
double JKQTMathTextEmptyBoxNode::Units2PixelWidth(double value, Units unit, JKQTMathTextEnvironment currentEv, QPaintDevice *pd) const
{
const QFontMetricsF fm(currentEv.getFont(parentMathText), pd);
QFont f=currentEv.getFont(parentMathText);
f.setStyleStrategy(QFont::PreferDefault);
const QFontMetricsF fm(f, pd);
if (unit==EBUem) {
#if (QT_VERSION>=QT_VERSION_CHECK(5, 15, 0))
const double em=fm.horizontalAdvance(QChar(0x2003));//currentEv.fontSize;
#else
const double em=fm.width(QChar(0x2003));//currentEv.fontSize;
#endif
//qDebug()<<"em="<<em<<"pix";
return value*em;
} else if (unit==EBUex) {
const double ex=fm.xHeight();
//qDebug()<<"ex="<<ex<<"pix";
return value*ex;
} else {
//qDebug()<<"JKQTMathTextEmptyBoxNode::Units2PixelWidth(): UNKOWN UNIT";
}
return 0;
}
@ -297,15 +303,14 @@ double JKQTMathTextEmptyBoxNode::getHeight() const
double JKQTMathTextEmptyBoxNode::draw(QPainter &painter, double x, double y, JKQTMathTextEnvironment currentEv, const JKQTMathTextNodeSize *prevNodeSize)
{
doDrawBoxes(painter, x,y,currentEv);
double width=0, bh=0, oh=0, sp=0;
getSize(painter, currentEv, width, bh, oh, sp, prevNodeSize);
return x+width;
const auto s=getSize(painter, currentEv);
return x+s.width;
}
void JKQTMathTextEmptyBoxNode::getSizeInternal(QPainter &painter, JKQTMathTextEnvironment currentEv, double &width, double &baselineHeight, double &overallHeight, double &strikeoutPos, const JKQTMathTextNodeSize */*prevNodeSize*/)
{
const QFontMetricsF fm(currentEv.getFont(parentMathText), painter.device());
width=Units2PixelWidth(width, widthUnit, currentEv, painter.device());
width=Units2PixelWidth(this->width, widthUnit, currentEv, painter.device());
overallHeight=Units2PixelWidth(height, heightUnit, currentEv, painter.device());
if (height>0) {
baselineHeight=overallHeight;