Properly support ALPHA_8 bitmaps in all drawBitmap() methods

Change-Id: I869993c59e0a0d76f369c09acbae711753908f48

3 files changed, 106 insertions, 0 deletions

diff --git a/tests/HwAccelerationTest/AndroidManifest.xml b/tests/HwAccelerationTest/AndroidManifest.xml
index 9118aea..1974e0f 100644
--- a/tests/HwAccelerationTest/AndroidManifest.xml
+++ b/tests/HwAccelerationTest/AndroidManifest.xml
@@ -33,6 +33,15 @@
         <meta-data android:name="android.graphics.renderThread" android:value="true" />
 
         <activity
+                android:name="Alpha8BitmapActivity"
+                android:label="_Alpha8Bitmap">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <activity
                 android:name="MipMapActivity"
                 android:label="_MipMap">
             <intent-filter>
diff --git a/tests/HwAccelerationTest/res/drawable-nodpi/spot_mask.png b/tests/HwAccelerationTest/res/drawable-nodpi/spot_mask.png
new file mode 100644
index 0000000..8953759
--- /dev/null
+++ b/tests/HwAccelerationTest/res/drawable-nodpi/spot_mask.png
diff --git a/tests/HwAccelerationTest/src/com/android/test/hwui/Alpha8BitmapActivity.java b/tests/HwAccelerationTest/src/com/android/test/hwui/Alpha8BitmapActivity.java
new file mode 100644
index 0000000..5fe512e
--- /dev/null
+++ b/tests/HwAccelerationTest/src/com/android/test/hwui/Alpha8BitmapActivity.java
@@ -0,0 +1,97 @@
+/*
+ * 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.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.BitmapShader;
+import android.graphics.Canvas;
+import android.graphics.Matrix;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.graphics.RectF;
+import android.graphics.Shader;
+import android.os.Bundle;
+import android.view.View;
+
+@SuppressWarnings({"UnusedDeclaration"})
+public class Alpha8BitmapActivity extends Activity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(new BitmapsView(this));
+    }
+
+    static class BitmapsView extends View {
+        private Paint mBitmapPaint;
+        private final Bitmap mBitmap1;
+        private final float[] mVertices;
+
+        BitmapsView(Context c) {
+            super(c);
+
+            Bitmap texture = BitmapFactory.decodeResource(c.getResources(), R.drawable.spot_mask);
+            mBitmap1 = Bitmap.createBitmap(texture.getWidth(), texture.getHeight(),
+                    Bitmap.Config.ALPHA_8);
+            Canvas canvas = new Canvas(mBitmap1);
+            canvas.drawBitmap(texture, 0.0f, 0.0f, null);
+
+            texture = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset1);
+            BitmapShader shader = new BitmapShader(texture,
+                    Shader.TileMode.REPEAT, Shader.TileMode.REPEAT);
+
+            final float width = texture.getWidth() / 3.0f;
+            final float height = texture.getHeight() / 3.0f;
+
+            mVertices = new float[] {
+                    0.0f, 0.0f, width, 0.0f, width * 2, 0.0f, width * 3, 0.0f,
+                    0.0f, height, width, height, width * 2, height, width * 4, height,
+                    0.0f, height * 2, width, height * 2, width * 2, height * 2, width * 3, height * 2,
+                    0.0f, height * 4, width, height * 4, width * 2, height * 4, width * 4, height * 4,
+            };
+
+            mBitmapPaint = new Paint();
+            mBitmapPaint.setFilterBitmap(true);
+            mBitmapPaint.setShader(shader);
+        }
+
+        @Override
+        protected void onDraw(Canvas canvas) {
+            super.onDraw(canvas);
+
+            canvas.drawColor(0xffffffff);
+            canvas.drawBitmap(mBitmap1, 0.0f, 0.0f, mBitmapPaint);
+
+            Matrix matrix = new Matrix();
+            matrix.setScale(2.0f, 2.0f);
+            matrix.postTranslate(0.0f, mBitmap1.getHeight());
+            canvas.drawBitmap(mBitmap1, matrix, mBitmapPaint);
+
+            Rect src = new Rect(0, 0, mBitmap1.getWidth() / 2, mBitmap1.getHeight() / 2);
+            Rect dst = new Rect(0, mBitmap1.getHeight() * 3, mBitmap1.getWidth(),
+                    mBitmap1.getHeight() * 4);
+            canvas.drawBitmap(mBitmap1, src, dst, mBitmapPaint);
+
+            canvas.translate(0.0f, mBitmap1.getHeight() * 4);
+            canvas.drawBitmapMesh(mBitmap1, 3, 3, mVertices, 0, null, 0, mBitmapPaint);
+
+            invalidate();
+        }
+    }
+}