ColoredRectsActivity.java revision 858aa93ddb6e69e0503382af63bb681b6728aef1 
1/*
2 * Copyright (C) 2011 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.animation.ObjectAnimator;
20import android.app.Activity;
21import android.content.Context;
22import android.graphics.Canvas;
23import android.graphics.Color;
24import android.graphics.Paint;
25import android.graphics.drawable.ColorDrawable;
26import android.os.Bundle;
27import android.view.View;
28import android.widget.FrameLayout;
29
30@SuppressWarnings({"UnusedDeclaration"})
31public class ColoredRectsActivity extends Activity {
32    private ObjectAnimator mAnimator;
33
34    @Override
35    protected void onCreate(Bundle savedInstanceState) {
36        super.onCreate(savedInstanceState);
37        getWindow().setBackgroundDrawable(new ColorDrawable(0xff000000));
38        FrameLayout frame = new FrameLayout(this);
39        final RectsView gpuView = new RectsView(this, 0, Color.GREEN);
40        frame.addView(gpuView);
41        final RectsView swView = new RectsView(this, 400, Color.RED);
42        swView.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
43        frame.addView(swView);
44        final RectsView hwBothView = new RectsView(this, 850, Color.GREEN);
45        // Don't actually need to render to a hw layer, but it's a good sanity-check that
46        // we're rendering to/from layers correctly
47        hwBothView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
48        frame.addView(hwBothView);
49        final RectsView swBothView = new RectsView(this, 854, Color.RED);
50        swBothView.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
51        frame.addView(swBothView);
52        setContentView(frame);
53    }
54
55    @Override
56    protected void onDestroy() {
57        super.onDestroy();
58    }
59
60    public static class RectsView extends View {
61
62        private float mOffset;
63        private int mColor;
64
65        public RectsView(Context c, float offset, int color) {
66            super(c);
67            mOffset = offset;
68            mColor = color;
69        }
70
71        @Override
72        protected void onDraw(Canvas canvas) {
73            super.onDraw(canvas);
74            Paint p = new Paint();
75            p.setColor(mColor);
76            float yOffset = 10;
77
78            for (int i = 0; i < 2; ++i) {
79                canvas.save();
80                canvas.translate(mOffset, yOffset);
81                canvas.drawRect(0, 0, 20, 10, p);
82                canvas.drawRect(35, 0, 45, 20, p);
83                canvas.translate(0, -yOffset);
84                canvas.scale(2, 2);
85                canvas.translate(60, yOffset/2);
86                canvas.drawRect(0, 0, 20, 10, p);
87                canvas.translate(15, 0);
88                canvas.drawRect(35, 0, 45, 20, p);
89                canvas.restore();
90
91                yOffset += 100;
92
93                canvas.save();
94                canvas.save();
95                canvas.translate(mOffset + 10, yOffset);
96                canvas.rotate(45);
97                canvas.drawRect(0, 0, 20, 10, p);
98                canvas.restore();
99                canvas.save();
100                canvas.translate(mOffset + 70, yOffset);
101                canvas.rotate(5);
102                canvas.drawRect(0, 0, 20, 10, p);
103                canvas.restore();
104                canvas.save();
105                canvas.translate(mOffset + 140, yOffset);
106                canvas.scale(2, 2);
107                canvas.rotate(5);
108                canvas.drawRect(0, 0, 20, 10, p);
109                canvas.restore();
110                canvas.save();
111                canvas.translate(mOffset + 210, yOffset);
112                canvas.scale(2, 2);
113                canvas.rotate(45);
114                canvas.drawRect(0, 0, 20, 10, p);
115                canvas.restore();
116                canvas.restore();
117
118                yOffset += 100;
119
120                p.setAntiAlias(true);
121            }
122        }
123    }
124}
125