Optimize 9patch rendering.

This change detects empty quads in 9patches and removes them from
the mesh to avoid unnecessary blending.

Change-Id: I4500566fb4cb6845d64dcb59b522c0be7a0ec704

1 files changed, 2 insertions, 2 deletions

diff --git a/graphics/java/android/graphics/NinePatch.java b/graphics/java/android/graphics/NinePatch.java
index df6feba..6de4d84 100644
--- a/graphics/java/android/graphics/NinePatch.java
+++ b/graphics/java/android/graphics/NinePatch.java
@@ -86,7 +86,7 @@ public class NinePatch {
                        mPaint != null ? mPaint.mNativePaint : 0,
                        canvas.mDensity, mBitmap.mDensity);
         } else {
-            canvas.drawPatch(mBitmap, mChunk, location, null);
+            canvas.drawPatch(mBitmap, mChunk, location, mPaint);
         }
     }
     
@@ -104,7 +104,7 @@ public class NinePatch {
                         canvas.mDensity, mBitmap.mDensity);
         } else {
             mRect.set(location);
-            canvas.drawPatch(mBitmap, mChunk, mRect, null);
+            canvas.drawPatch(mBitmap, mChunk, mRect, mPaint);
         }
     }