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6644301: lightweight components can repaint outside request bounds

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Repaint() needs to adjust width and height if it receives negative x or y.

Reviewed-by: art
This commit is contained in:
Oleg Sukhodolsky 2008-05-15 11:34:11 +04:00
parent 55c1fa19a4
commit 69a10f680a
1 changed files with 16 additions and 2 deletions
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18
jdk/src/share/classes/java/awt/Component.java
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@ -3052,10 +3052,24 @@ public abstract class Component implements ImageObserver, MenuContainer,
// services. Additionally, the request is restricted to
// the bounds of the component.
if (parent != null) {
int px = this.x + ((x < 0) ? 0 : x);
int py = this.y + ((y < 0) ? 0 : y);
if (x < 0) {
width += x;
x = 0;
}
if (y < 0) {
height += y;
y = 0;
}
int pwidth = (width > this.width) ? this.width : width;
int pheight = (height > this.height) ? this.height : height;
if (pwidth <= 0 || pheight <= 0) {
return;
}
int px = this.x + x;
int py = this.y + y;
parent.repaint(tm, px, py, pwidth, pheight);
}
} else {