qt - BitBlt in Qt4?

Question

What is the recommended method of copying one QImage into another at a particular position in Qt4?

QImage::bitblt was removed in Qt4.

Does the QImage now need to be converted to a PixMap and back?

score 6 · Accepted Answer

6

使用 QPainter 绘制图像。

QPainter painter( &targetImage );

painter.drawImage( ... );

于 2010-08-02T02:53:05.033 回答

score 4 · Accepted Answer

4

来自 Qt 助手：“改用 copy() 或 QPainter::drawImage()。”

于 2010-08-03T15:58:09.167 回答

2 回答 2