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 
17 package com.android.test.hwui;
18 
19 import android.app.Activity;
20 import android.content.Context;
21 import android.graphics.Canvas;
22 import android.graphics.Paint;
23 import android.os.Bundle;
24 import android.view.View;
25 import android.widget.FrameLayout;
26 import android.widget.LinearLayout;
27 
28 @SuppressWarnings({"UnusedDeclaration"})
29 public class Rotate3dTextActivity extends Activity {
30 
31     @Override
onCreate(Bundle savedInstanceState)32     protected void onCreate(Bundle savedInstanceState) {
33         super.onCreate(savedInstanceState);
34 
35         final LinearLayout layout = new LinearLayout(this);
36         layout.setOrientation(LinearLayout.VERTICAL);
37 
38         Rotate3dTextView view = new Rotate3dTextView(this);
39         layout.addView(view, makeLayoutParams());
40 
41         view = new Rotate3dTextView(this);
42 
43         FrameLayout container = new FrameLayout(this);
44         container.setLayerType(View.LAYER_TYPE_HARDWARE, null);
45         container.addView(view);
46 
47         layout.addView(container, makeLayoutParams());
48 
49         setContentView(layout);
50     }
51 
makeLayoutParams()52     private static LinearLayout.LayoutParams makeLayoutParams() {
53         LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
54                 LinearLayout.LayoutParams.MATCH_PARENT, 0);
55         lp.weight = 1.0f;
56         return lp;
57     }
58 
59     public static class Rotate3dTextView extends View {
60         private static final String TEXT = "Hello libhwui! ";
61 
62         private final Paint mPaint;
63 
Rotate3dTextView(Context c)64         public Rotate3dTextView(Context c) {
65             super(c);
66 
67             mPaint = new Paint();
68             mPaint.setAntiAlias(true);
69             mPaint.setTextSize(50.0f);
70             mPaint.setTextAlign(Paint.Align.CENTER);
71 
72             setRotationY(45.0f);
73             setScaleX(2.0f);
74             setScaleY(2.0f);
75         }
76 
77         @Override
onDraw(Canvas canvas)78         protected void onDraw(Canvas canvas) {
79             canvas.drawText(TEXT, getWidth() / 2.0f, getHeight() / 2.0f, mPaint);
80         }
81     }
82 }
83