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Wave underscore: Don't ignore Graphics clip

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Vassiliy.Kudryashov
2015-07-16 16:10:23 +03:00
parent 983b155006
commit 3b72d5e6dc
1 changed files with 14 additions and 7 deletions
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platform/util/src/com/intellij/util/ui/WavePainter.java
+14 -7
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@@ -60,14 +60,21 @@ public class WavePainter {
* Paints a wave in given coordinate range. <code>y</code> defines the lower boundary of painted wave.
*/
public void paint(Graphics2D g, int xStart, int xEnd, int y) {
Shape oldClip = g.getClip();
final Rectangle rectangle = new Rectangle(xStart, y - 3, xEnd - xStart, 3);
final Rectangle waveClip = oldClip != null ? oldClip.getBounds().intersection(rectangle) : rectangle;
if (waveClip.isEmpty()) return;
Composite oldComposite = g.getComposite();
g.setComposite(AlphaComposite.SrcOver);
Shape clip = g.getClip();
g.setClip(xStart, y - 3, xEnd - xStart, 3);
xStart -= xStart % 4;
UIUtil.drawImage(g, myImage, xStart, y - 3, null);
g.setComposite(oldComposite);
g.setClip(clip);
try {
g.setComposite(AlphaComposite.SrcOver);
g.setClip(waveClip);
xStart -= xStart % 4;
UIUtil.drawImage(g, myImage, xStart, y - 3, null);
} finally {
g.setComposite(oldComposite);
g.setClip(oldClip);
}
}
public static WavePainter forColor(Color color) {