If the dpi has scaling and the QFont::setStretch parameter is less than 100, the drawing will be abnormal

Set the aspect ratio stretch of text through QFont::setStretch in the code. If the dpi has scaling and the QFont::setStretch parameter is less than 100, the drawing will be abnormal.

When the system DPI is scaled to 100% or Qt scaling is disabled：

When the system DPI scaling is not 100% and Qt scaling is enabled：

If the QFont::setStretch parameter is greater than 100, there is no problem: