TextActivity.java revision 33fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4 
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.Canvas;
22import android.graphics.Paint;
23import android.os.Bundle;
24import android.text.TextPaint;
25import android.view.View;
26
27@SuppressWarnings({"UnusedDeclaration"})
28public class TextActivity extends Activity {
29    @Override
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
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
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