Add full support for Canvas.setDrawFilter()

Change-Id: I0ad35d0603c4eeda469014803be14c1dcdde918c
diff --git a/tests/HwAccelerationTest/AndroidManifest.xml b/tests/HwAccelerationTest/AndroidManifest.xml
index 112c606..5bbcce3 100644
--- a/tests/HwAccelerationTest/AndroidManifest.xml
+++ b/tests/HwAccelerationTest/AndroidManifest.xml
@@ -31,6 +31,15 @@
         android:hardwareAccelerated="true">
 
         <activity
+                android:name="PaintDrawFilterActivity"
+                android:label="_DrawFilter">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        
+        <activity
                 android:name="DisplayListLayersActivity"
                 android:label="__DisplayListLayers">
             <intent-filter>
diff --git a/tests/HwAccelerationTest/src/com/android/test/hwui/PaintDrawFilterActivity.java b/tests/HwAccelerationTest/src/com/android/test/hwui/PaintDrawFilterActivity.java
new file mode 100644
index 0000000..8523272
--- /dev/null
+++ b/tests/HwAccelerationTest/src/com/android/test/hwui/PaintDrawFilterActivity.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.test.hwui;
+
+import android.app.Activity;
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.PaintFlagsDrawFilter;
+import android.os.Bundle;
+import android.view.View;
+
+@SuppressWarnings({"UnusedDeclaration"})
+public class PaintDrawFilterActivity extends Activity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setContentView(new CustomTextView(this));
+    }
+
+    static class CustomTextView extends View {
+        private final Paint mMediumPaint;
+        private final PaintFlagsDrawFilter mDrawFilter;
+
+        CustomTextView(Context c) {
+            super(c);
+
+            mMediumPaint = new Paint();
+            mMediumPaint.setAntiAlias(true);
+            mMediumPaint.setColor(0xff000000);
+            mMediumPaint.setFakeBoldText(true);
+            mMediumPaint.setTextSize(24.0f);
+
+            mDrawFilter = new PaintFlagsDrawFilter(
+                    Paint.FAKE_BOLD_TEXT_FLAG, Paint.UNDERLINE_TEXT_FLAG);
+        }
+
+        @Override
+        protected void onDraw(Canvas canvas) {
+            super.onDraw(canvas);
+            canvas.drawRGB(255, 255, 255);
+
+            canvas.setDrawFilter(null);
+            canvas.drawText("Hello OpenGL renderer!", 100, 120, mMediumPaint);
+            canvas.setDrawFilter(mDrawFilter);
+            canvas.drawText("Hello OpenGL renderer!", 100, 220, mMediumPaint);
+        }
+    }
+}