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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 
26 @SuppressWarnings({"UnusedDeclaration"})
27 public class PosTextActivity extends Activity {
28     @Override
onCreate(Bundle savedInstanceState)29     protected void onCreate(Bundle savedInstanceState) {
30         super.onCreate(savedInstanceState);
31 
32         setContentView(new CustomTextView(this));
33     }
34 
35     static class CustomTextView extends View {
36         private final Paint mLargePaint;
37         private final String mText;
38         private final float[] mPos;
39 
CustomTextView(Context c)40         CustomTextView(Context c) {
41             super(c);
42 
43             mText = c.getResources().getString(R.string.complex_string);
44             mPos = new float[mText.length() * 2];
45             for (int i = 0; i < mPos.length; i += 2) {
46                 mPos[i] = i * 30.0f;
47                 mPos[i + 1] = i * 10.0f;
48             }
49 
50             mLargePaint = new Paint();
51             mLargePaint.setAntiAlias(true);
52             mLargePaint.setTextSize(36.0f);
53         }
54 
55         @Override
onDraw(Canvas canvas)56         protected void onDraw(Canvas canvas) {
57             super.onDraw(canvas);
58             canvas.drawRGB(255, 255, 255);
59 
60             canvas.save();
61 
62             canvas.drawLine(100.0f, 0.0f, 100.0f, getHeight(), mLargePaint);
63 
64             canvas.translate(100.0f, 100.0f);
65             mLargePaint.setTextAlign(Paint.Align.LEFT);
66             canvas.drawPosText(mText, mPos, mLargePaint);
67 
68             canvas.translate(0.0f, 50.0f);
69             mLargePaint.setTextAlign(Paint.Align.CENTER);
70             canvas.drawPosText(mText, mPos, mLargePaint);
71 
72             canvas.translate(0.0f, 50.0f);
73             mLargePaint.setTextAlign(Paint.Align.RIGHT);
74             canvas.drawPosText(mText, mPos, mLargePaint);
75 
76             canvas.restore();
77         }
78     }
79 }
80