1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.test.hwui;
18
19import android.app.Activity;
20import android.content.Context;
21import android.graphics.Bitmap;
22import android.graphics.BitmapFactory;
23import android.graphics.Canvas;
24import android.graphics.Paint;
25import android.os.Bundle;
26import android.util.Log;
27import android.view.Gravity;
28import android.view.View;
29import android.widget.FrameLayout;
30
31@SuppressWarnings({"UnusedDeclaration"})
32public class BitmapsAlphaActivity extends Activity {
33    @Override
34    protected void onCreate(Bundle savedInstanceState) {
35        super.onCreate(savedInstanceState);
36        final BitmapsView view = new BitmapsView(this);
37        final FrameLayout layout = new FrameLayout(this);
38        layout.addView(view, new FrameLayout.LayoutParams(480, 800, Gravity.CENTER));
39        setContentView(layout);
40    }
41
42    static class BitmapsView extends View {
43        private Paint mBitmapPaint;
44        private final Bitmap mBitmap1;
45        private final Bitmap mBitmap2;
46        private Bitmap mBitmap3;
47
48        BitmapsView(Context c) {
49            super(c);
50
51            Log.d("OpenGLRenderer", "Loading sunset1, default options");
52            mBitmap1 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset1);
53            Log.d("OpenGLRenderer", "Loading sunset2, default options");
54            mBitmap2 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset2);
55            Log.d("OpenGLRenderer", "Loading sunset3, forcing ARGB-8888");
56            BitmapFactory.Options opts = new BitmapFactory.Options();
57            opts.inPreferredConfig = Bitmap.Config.ARGB_8888;
58            mBitmap3 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset3, opts);
59            Log.d("OpenGLRenderer", "    has bitmap alpha? " + mBitmap3.hasAlpha());
60
61            mBitmapPaint = new Paint();
62        }
63
64        @Override
65        protected void onDraw(Canvas canvas) {
66            super.onDraw(canvas);
67
68            Log.d("OpenGLRenderer", "================= Draw");
69
70            canvas.translate(120.0f, 50.0f);
71            canvas.drawBitmap(mBitmap1, 0.0f, 0.0f, mBitmapPaint);
72
73            canvas.translate(0.0f, mBitmap1.getHeight());
74            canvas.translate(0.0f, 25.0f);
75            canvas.drawBitmap(mBitmap2, 0.0f, 0.0f, null);
76
77            canvas.translate(0.0f, mBitmap2.getHeight());
78            canvas.translate(0.0f, 25.0f);
79            canvas.drawBitmap(mBitmap3, 0.0f, 0.0f, null);
80        }
81    }
82}
83