remove clear() after alll

core/src/processing/core/PGraphics.java

@@ -6637,11 +6637,6 @@ public class PGraphics extends PImage implements PConstants {
   // BACKGROUND
 
 
-  public void clear() {
-    showMethodWarning("clear");
-  }
-
-
   /**
    * ( begin auto-generated from background.xml )
    *

core/src/processing/core/PGraphicsJava2D.java

@@ -160,6 +160,13 @@ public class PGraphicsJava2D extends PGraphics /*PGraphics2D*/ {
       g2 = (Graphics2D) image.getGraphics();
     }
 
+    // Avoid badness when drawing shorter strokes.
+    // http://code.google.com/p/processing/issues/detail?id=1068
+    // With very small stroke increments, this was actually faster by 2x,
+    // and for larger increments it was only 3% slower.
+    g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL,
+                        RenderingHints.VALUE_STROKE_PURE);
+
     // can't un-set this because this may be only a resize
     // http://dev.processing.org/bugs/show_bug.cgi?id=463
     //defaultsInited = false;
@@ -1818,12 +1825,6 @@ public class PGraphicsJava2D extends PGraphics /*PGraphics2D*/ {
   // BACKGROUND
 
 
-  @Override
-  public void clear() {
-    clearPixels(0);
-  }
-
-
   int[] clearPixels;
 
   protected void clearPixels(int color) {