HiDPI: fixed occasional wrong repaint areas when using `HiDPIUtils.in…

…stallHiDPIRepaintManager()` (see PR #864)
JFormDesigner · Aug 4, 2024 · d27e056 · d27e056
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -11,6 +11,8 @@ FlatLaf Change Log
 - Popup: Fixed `UnsupportedOperationException: PERPIXEL_TRANSLUCENT translucency
  is not supported` exception on Haiku OS when showing popup (partly) outside of
  window. (issue #869)
+- HiDPI: Fixed occasional wrong repaint areas when using
+ `HiDPIUtils.installHiDPIRepaintManager()`. (see PR #864)
 
 
 ## 3.5

diff --git a/flatlaf-core/src/main/java/com/formdev/flatlaf/util/HiDPIUtils.java b/flatlaf-core/src/main/java/com/formdev/flatlaf/util/HiDPIUtils.java
@@ -521,12 +521,12 @@ public static void addDirtyRegion( JComponent c, int x, int y, int width, int he
  int x2 = x + c.getX();
  int y2 = y + c.getY();
  for( Component p = c.getParent(); p != null; p = p.getParent() ) {
- x2 += p.getX();
- y2 += p.getY();
  if( x2 + width < p.getWidth() && y2 + height < p.getHeight() && p instanceof JComponent ) {
  callback.addDirtyRegion( (JComponent) p, x2, y2, width, height );
  return;
  }
+ x2 += p.getX();
+ y2 += p.getY();
  }
  }