From ea8edb4803ccd795ba0300017fcfdc62ab4d425f Mon Sep 17 00:00:00 2001
From: benfry <fry@processing.org>
Date: Fri, 23 Mar 2012 15:30:09 +0000
Subject: [PATCH] fix PImage.get() issue with width or height < 0

---
 core/src/processing/core/PImage.java | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/core/src/processing/core/PImage.java b/core/src/processing/core/PImage.java
index fd3e0899b..52a3112fc 100644
--- a/core/src/processing/core/PImage.java
+++ b/core/src/processing/core/PImage.java
@@ -699,18 +699,6 @@ public class PImage implements PConstants, Cloneable {
    * @param h height of pixel rectangle to get
    */
   public PImage get(int x, int y, int w, int h) {
-    /*
-    if (imageMode == CORNERS) {  // if CORNER, do nothing
-      //x2 += x1; y2 += y1;
-      // w/h are x2/y2 in this case, bring em down to size
-      w = (w - x);
-      h = (h - y);
-    } else if (imageMode == CENTER) {
-      x -= w/2;
-      y -= h/2;
-    }
-    */
-
     if (x < 0) {
       w += x; // clip off the left edge
       x = 0;
@@ -719,10 +707,17 @@ public class PImage implements PConstants, Cloneable {
       h += y; // clip off some of the height
       y = 0;
     }
-
+    
     if (x + w > width) w = width - x;
     if (y + h > height) h = height - y;
 
+    if (w < 0) {
+      w = 0;
+    }
+    if (h < 0) {
+      h = 0;
+    }
+
     return getImpl(x, y, w, h);
   }