massive performance improvements. zrle measured at 2.5x faster (no measurements for tight, but should be the same or better).

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4742 3789f03b-4d11-0410-bbf8-ca57d06f2519

1 files changed, 6 insertions, 1 deletions

diff --git a/java/com/tigervnc/rfb/Rect.java b/java/com/tigervnc/rfb/Rect.java
index fab4f5dd..4aa69c14 100644
--- a/java/com/tigervnc/rfb/Rect.java
+++ b/java/com/tigervnc/rfb/Rect.java
@@ -76,7 +76,12 @@ public class Rect {
   public final boolean overlaps(Rect r) {
     return tl.x < r.br.x && tl.y < r.br.y && br.x > r.tl.x && br.y > r.tl.y;
   }
-  public final int area() {return is_empty() ? 0 : (br.x-tl.x)*(br.y-tl.y);}
+  public final int area() {
+    int area = (br.x-tl.x)*(br.y-tl.y);
+    if (area > 0)
+      return area;
+    return 0;
+  }
   public final Point dimensions() {return new Point(width(), height());}
   public final int width() {return br.x-tl.x;}
   public final int height() {return br.y-tl.y;}