QPixmap of a QGraphicsTextItem
如何将QGraphicsTextItem转换/绘制为QPixmap?
您可以将其添加到
将场景添加到
1 2 3 | QPixmap pix(100, 100); QPainter paint(&pix); scene.render(&paint); |
或者,您可以节省您的麻烦,并在更改画家的当前字体后使用
也许像这样-
1 2 3 | QPixmap pix(100, 100); QPainter paint(&pix); paint.drawText(0, 0,"Hello World"); |
QGraphicsTextItem :: document()函数是您要寻找的后门:
1 2 3 4 5 6 | // pItem is a QGraphicsTextItem * QPixmap srcPixmap(pItem->boundingRect().size().toSize()); QPainter tmpPainter(&srcPixmap); pItem->document()->drawContents(&tmpPainter); tmpPainter.end() |