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.text.TextPaint;
25 import android.view.View;
26 
27 @SuppressWarnings({"UnusedDeclaration"})
28 public class TextActivity extends Activity {
29     @Override
onCreate(Bundle savedInstanceState)30     protected void onCreate(Bundle savedInstanceState) {
31         super.onCreate(savedInstanceState);
32 
33         setContentView(new CustomTextView(this));
34     }
35 
36     static class CustomTextView extends View {
37         private final Paint mMediumPaint;
38         private final Paint mLargePaint;
39         private final Paint mStrikePaint;
40         private final Paint mScaledPaint;
41         private final Paint mSkewPaint;
42         private final Paint mHugePaint;
43         private final TextPaint mEventPaint;
44 
CustomTextView(Context c)45         CustomTextView(Context c) {
46             super(c);
47 
48             mMediumPaint = new Paint();
49             mMediumPaint.setAntiAlias(true);
50             mMediumPaint.setColor(0xffff0000);
51 
52             mLargePaint = new Paint();
53             mLargePaint.setAntiAlias(true);
54             mLargePaint.setTextSize(36.0f);
55 
56             mStrikePaint = new Paint();
57             mStrikePaint.setAntiAlias(true);
58             mStrikePaint.setTextSize(16.0f);
59             mStrikePaint.setUnderlineText(true);
60 
61             mScaledPaint = new Paint();
62             mScaledPaint.setAntiAlias(true);
63             mScaledPaint.setTextSize(16.0f);
64             mScaledPaint.setShadowLayer(3.0f, 3.0f, 3.0f, 0xff00ff00);
65 
66             mSkewPaint = new Paint();
67             mSkewPaint.setAntiAlias(true);
68             mSkewPaint.setTextSize(16.0f);
69             mSkewPaint.setShadowLayer(3.0f, 3.0f, 3.0f, 0xff000000);
70 
71             mHugePaint = new Paint();
72             mHugePaint.setAntiAlias(true);
73             mHugePaint.setColor(0xff000000);
74             mHugePaint.setTextSize(300f);
75 
76             mEventPaint = new TextPaint();
77             mEventPaint.setFakeBoldText(true);
78             mEventPaint.setAntiAlias(true);
79             mEventPaint.setTextSize(14);
80         }
81 
82         @Override
onDraw(Canvas canvas)83         protected void onDraw(Canvas canvas) {
84             super.onDraw(canvas);
85             canvas.drawRGB(255, 255, 255);
86 
87             canvas.drawText("Hello OpenGL renderer!", 300, 20, mEventPaint);
88 
89             mMediumPaint.setStyle(Paint.Style.FILL_AND_STROKE);
90             mMediumPaint.setStrokeWidth(2.0f);
91             canvas.drawText("Hello OpenGL renderer!", 100, 20, mMediumPaint);
92 
93             mMediumPaint.setStyle(Paint.Style.FILL);
94             mMediumPaint.setTextAlign(Paint.Align.CENTER);
95             canvas.drawText("Hello OpenGL renderer!", 100, 40, mMediumPaint);
96 
97             mMediumPaint.setStyle(Paint.Style.STROKE);
98             mMediumPaint.setStrokeWidth(2.0f);
99             mMediumPaint.setTextAlign(Paint.Align.RIGHT);
100             canvas.drawText("Hello OpenGL renderer!", 100, 60, mMediumPaint);
101 
102             mMediumPaint.setStyle(Paint.Style.FILL);
103             mMediumPaint.setTextAlign(Paint.Align.LEFT);
104             canvas.drawText("Hello OpenGL renderer!", 100, 100, mMediumPaint);
105 
106             mMediumPaint.setShadowLayer(2.5f, 0.0f, 0.0f, 0xff000000);
107             canvas.drawText("Hello OpenGL renderer!", 100, 150, mMediumPaint);
108             mMediumPaint.clearShadowLayer();
109             canvas.drawText("Hello OpenGL renderer!", 100, 200, mLargePaint);
110 
111             mLargePaint.setShadowLayer(2.5f, 3.0f, 3.0f, 0xff000000);
112             canvas.drawText("Hello OpenGL renderer!", 100, 400, mLargePaint);
113             mLargePaint.setShadowLayer(3.0f, 3.0f, 3.0f, 0xff00ff00);
114             mLargePaint.setAlpha(100);
115             canvas.drawText("Hello OpenGL renderer!", 100, 500, mLargePaint);
116             mLargePaint.setAlpha(255);
117             mLargePaint.setShadowLayer(3.0f, 3.0f, 3.0f, 0xd000ff00);
118             mLargePaint.setColor(0x00ffff00);
119             canvas.drawText("Hello OpenGL renderer!", 100, 600, mLargePaint);
120             mLargePaint.setShadowLayer(3.0f, 3.0f, 3.0f, 0x80000000);
121             mLargePaint.setColor(0x4dffffff);
122             canvas.drawText("Hello OpenGL renderer!", 100, 650, mLargePaint);
123             mLargePaint.setAlpha(255);
124             mLargePaint.setColor(0xff000000);
125             mLargePaint.clearShadowLayer();
126 
127             canvas.drawText("Hello!", 500, 600, mHugePaint);
128 
129             canvas.drawText("Hello OpenGL renderer!", 500, 40, mStrikePaint);
130             mStrikePaint.setStrikeThruText(true);
131             canvas.drawText("Hello OpenGL renderer!", 500, 70, mStrikePaint);
132             mStrikePaint.setUnderlineText(false);
133             canvas.drawText("Hello OpenGL renderer!", 500, 100, mStrikePaint);
134             mStrikePaint.setStrikeThruText(false);
135             mStrikePaint.setUnderlineText(true);
136 
137             mSkewPaint.setTextSkewX(-0.25f);
138             canvas.drawText("Hello OpenGL renderer!", 980, 200, mSkewPaint);
139             mSkewPaint.setTextSkewX(0.5f);
140             canvas.drawText("Hello OpenGL renderer!", 980, 230, mSkewPaint);
141             mSkewPaint.setTextSkewX(0.0f);
142             canvas.drawText("Hello OpenGL renderer!", 980, 260, mSkewPaint);
143 
144             mScaledPaint.setTextScaleX(0.5f);
145             canvas.drawText("Hello OpenGL renderer!", 500, 200, mScaledPaint);
146             mScaledPaint.setTextScaleX(1.0f);
147             canvas.drawText("Hello OpenGL renderer!", 500, 230, mScaledPaint);
148             mScaledPaint.setTextScaleX(2.0f);
149             canvas.drawText("Hello OpenGL renderer!", 500, 260, mScaledPaint);
150 
151             canvas.save();
152             canvas.clipRect(150.0f, 220.0f, 450.0f, 320.0f);
153             canvas.drawText("Hello OpenGL renderer!", 100, 300, mLargePaint);
154             canvas.restore();
155 
156 //            mStrikePaint.setUnderlineText(false);
157 //            canvas.save();
158 //            canvas.scale(20.0f, 20.0f);
159 //            canvas.drawText("aeiouyw", 5.0f, 750 / 20.0f, mStrikePaint);
160 //            canvas.restore();
161 //            mStrikePaint.setUnderlineText(true);
162         }
163     }
164 }
165