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带有位图的透明 Q标签
原标题:transparent QLabel with a pixmap
  • 时间:2012-05-27 13:30:57
  •  标签:
  • qt

我有一个 QLabel, 我用 setpixmap () 将图像放在上面。 该图像有 Alpha 频道 。

QLabel 位于一个有图像指定边框图像的 QWidget 上(以便调整图像的缩放以填充 QWidget )。

在 QLabel 的透明部分, 结果是不是 QWidget 上指定的图像, 而是“ 无颜色” 部件的灰色特征 。

我的问题是,我如何做到使QLabel的透明部分能够显示QParts的边界图像?

我尝试取消自动填充地, 将QLabel的背景颜色改为白色透明, 但没有任何帮助 。

问题回答

您需要适当设置部件属性和窗口标志 :

使用...

需要设定为真 。

http://qt-project.org/doc/qt-4.8/widgets-windowflags.html" rel=“no follow” >Window Flags example 应该大有帮助。

如果你只是在找一个 描绘无框架图像的单一部件...

以下是一个很好的例子:

< a href="""http://qt-project.org/wiki/QSplashScreen-replacement- for-Simprivilecrown-Imaages" rel="无尾随"\\\spplashScreen 替换





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