default dithering to ON (cheap, looks good)
officially ignore filtering (expensive, no real improvement)
diff --git a/graphics/java/android/graphics/drawable/NinePatchDrawable.java b/graphics/java/android/graphics/drawable/NinePatchDrawable.java
index b175bb6..1b1ea94 100644
--- a/graphics/java/android/graphics/drawable/NinePatchDrawable.java
+++ b/graphics/java/android/graphics/drawable/NinePatchDrawable.java
@@ -194,6 +194,14 @@
}
@Override
+ public void setFilterBitmap(boolean filter) {
+ // at the moment, we see no quality improvement, but a big slowdown
+ // with filtering, so ignore this call for now
+ //
+ //getPaint().setFilterBitmap(filter);
+ }
+
+ @Override
public void inflate(Resources r, XmlPullParser parser, AttributeSet attrs)
throws XmlPullParserException, IOException {
super.inflate(r, parser, attrs);
@@ -247,6 +255,8 @@
public Paint getPaint() {
if (mPaint == null) {
mPaint = new Paint();
+ // dithering helps a lot, and is pretty cheap, so default on
+ mPaint.setDither(true);
}
return mPaint;
}