Mercurial > hg > svgui

diff view/View.cpp @ 955:76b5eabd816b osx-retina

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Fix font size for painter when rendering scaled
author Chris Cannam
date Wed, 29 Apr 2015 13:08:17 +0100
parents fe46201414c8
children 092de22db207
line wrap: on
line diff
--- a/view/View.cpp	Wed Apr 29 13:02:57 2015 +0100
+++ b/view/View.cpp	Wed Apr 29 13:08:17 2015 +0100
@@ -1657,8 +1657,18 @@
 void
 View::setPaintFont(QPainter &paint)
 {
+    int scaleFactor = 1;
+    int dpratio = devicePixelRatio();
+    if (dpratio > 1) {
+        QPaintDevice *dev = paint.device();
+        if (dynamic_cast<QPixmap *>(dev) || dynamic_cast<QImage *>(dev)) {
+            scaleFactor = dpratio;
+        }
+    }
+
     QFont font(paint.font());
-    font.setPointSize(Preferences::getInstance()->getViewFontSize());
+    font.setPointSize(Preferences::getInstance()->getViewFontSize()
+                      * scaleFactor);
     paint.setFont(font);
 }