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Proper path-text halo drawing

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This commit is contained in:
Martin Tůma 2019-04-28 09:10:19 +02:00
parent 76fb129651
commit c28d10eafc
1 changed files with 22 additions and 9 deletions
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21
src/textpathitem.cpp
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@ -166,18 +166,17 @@ void TextPathItem::paint(QPainter *painter) const
qreal percent = (1.0 - factor) / 2.0; qreal percent = (1.0 - factor) / 2.0;
painter->setFont(font()); painter->setFont(font());
painter->setPen(pen());
QTransform t = painter->transform(); QTransform t = painter->transform();
if (halo().color().isValid() && halo().width() > 0) {
painter->setPen(halo().color());
for (int i = 0; i < text().size(); i++) { for (int i = 0; i < text().size(); i++) {
QPointF point = _path.pointAtPercent(percent); QPointF point = _path.pointAtPercent(percent);
qreal angle = _path.angleAtPercent(percent); qreal angle = _path.angleAtPercent(percent);
painter->translate(point); painter->translate(point);
painter->rotate(-angle); painter->rotate(-angle);
if (halo().color().isValid() && halo().width() > 0) {
painter->setPen(halo().color());
painter->drawText(QPoint(-1, fm.descent() - 1), text().at(i)); painter->drawText(QPoint(-1, fm.descent() - 1), text().at(i));
painter->drawText(QPoint(1, fm.descent() + 1), text().at(i)); painter->drawText(QPoint(1, fm.descent() + 1), text().at(i));
painter->drawText(QPoint(-1, fm.descent() + 1), text().at(i)); painter->drawText(QPoint(-1, fm.descent() + 1), text().at(i));
@ -186,8 +185,22 @@ void TextPathItem::paint(QPainter *painter) const
painter->drawText(QPoint(0, fm.descent() + 1), text().at(i)); painter->drawText(QPoint(0, fm.descent() + 1), text().at(i));
painter->drawText(QPoint(-1, fm.descent()), text().at(i)); painter->drawText(QPoint(-1, fm.descent()), text().at(i));
painter->drawText(QPoint(1, fm.descent()), text().at(i)); painter->drawText(QPoint(1, fm.descent()), text().at(i));
painter->setPen(pen()); painter->setTransform(t);
int width = fm.charWidth(text(), i);
percent += ((qreal)width / (qreal)textWidth) * factor;
} }
percent = (1.0 - factor) / 2.0;
}
painter->setPen(pen());
for (int i = 0; i < text().size(); i++) {
QPointF point = _path.pointAtPercent(percent);
qreal angle = _path.angleAtPercent(percent);
painter->translate(point);
painter->rotate(-angle);
painter->drawText(QPoint(0, fm.descent()), text().at(i)); painter->drawText(QPoint(0, fm.descent()), text().at(i));
painter->setTransform(t); painter->setTransform(t);