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improve drawing of overlay pixmaps for high DPI screens

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wmayer
2019-03-14 18:32:21 +01:00
parent 87bf7094a5
commit a14b99e774
1 changed files with 11 additions and 4 deletions
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15
src/Gui/BitmapFactory.cpp
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@@ -571,20 +571,27 @@ QPixmap BitmapFactoryInst::merge(const QPixmap& p1, const QPixmap& p2, Position
{
// does the similar as the method above except that this method does not resize the resulting pixmap
int x = 0, y = 0;
#if QT_VERSION >= 0x050000
qreal dpr1 = p1.devicePixelRatio();
qreal dpr2 = p2.devicePixelRatio();
#else
qreal dpr1 = 1;
qreal dpr2 = 1;
#endif
switch (pos)
{
case TopLeft:
break;
case TopRight:
x = p1.width () - p2.width ();
x = p1.width ()/dpr1 - p2.width ()/dpr2;
break;
case BottomLeft:
y = p1.height() - p2.height();
y = p1.height()/dpr1 - p2.height()/dpr2;
break;
case BottomRight:
x = p1.width () - p2.width ();
y = p1.height() - p2.height();
x = p1.width ()/dpr1 - p2.width ()/dpr2;
y = p1.height()/dpr1 - p2.height()/dpr2;
break;
}