TextActivity.java revision bd496bc3d481f9cfc39007d22372d3a1a8809f96 
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.view.View;
25
26@SuppressWarnings({"UnusedDeclaration"})
27public class TextActivity extends Activity {
28    @Override
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 mMediumPaint;
37        private final Paint mLargePaint;
38        private final Paint mStrikePaint;
39        private final Paint mScaledPaint;
40        private final Paint mSkewPaint;
41        private final Paint mHugePaint;
42
43        CustomTextView(Context c) {
44            super(c);
45
46            mMediumPaint = new Paint();
47            mMediumPaint.setAntiAlias(true);
48            mMediumPaint.setColor(0xffff0000);
49
50            mLargePaint = new Paint();
51            mLargePaint.setAntiAlias(true);
52            mLargePaint.setTextSize(36.0f);
53
54            mStrikePaint = new Paint();
55            mStrikePaint.setAntiAlias(true);
56            mStrikePaint.setTextSize(16.0f);
57            mStrikePaint.setUnderlineText(true);
58
59            mScaledPaint = new Paint();
60            mScaledPaint.setAntiAlias(true);
61            mScaledPaint.setTextSize(16.0f);
62            mScaledPaint.setShadowLayer(3.0f, 3.0f, 3.0f, 0xff00ff00);
63
64            mSkewPaint = new Paint();
65            mSkewPaint.setAntiAlias(true);
66            mSkewPaint.setTextSize(16.0f);
67            mSkewPaint.setShadowLayer(3.0f, 3.0f, 3.0f, 0xff000000);
68
69            mHugePaint = new Paint();
70            mHugePaint.setAntiAlias(true);
71            mHugePaint.setColor(0xff000000);
72            mHugePaint.setTextSize(300f);
73        }
74
75        @Override
76        protected void onDraw(Canvas canvas) {
77            super.onDraw(canvas);
78            canvas.drawRGB(255, 255, 255);
79
80            mMediumPaint.setStyle(Paint.Style.FILL_AND_STROKE);
81            mMediumPaint.setStrokeWidth(2.0f);
82            canvas.drawText("Hello OpenGL renderer!", 100, 20, mMediumPaint);
83
84            mMediumPaint.setStyle(Paint.Style.FILL);
85            mMediumPaint.setTextAlign(Paint.Align.CENTER);
86            canvas.drawText("Hello OpenGL renderer!", 100, 40, mMediumPaint);
87
88            mMediumPaint.setStyle(Paint.Style.STROKE);
89            mMediumPaint.setStrokeWidth(2.0f);
90            mMediumPaint.setTextAlign(Paint.Align.RIGHT);
91            canvas.drawText("Hello OpenGL renderer!", 100, 60, mMediumPaint);
92
93            mMediumPaint.setStyle(Paint.Style.FILL);
94            mMediumPaint.setTextAlign(Paint.Align.LEFT);
95            canvas.drawText("Hello OpenGL renderer!", 100, 100, mMediumPaint);
96
97            mMediumPaint.setShadowLayer(2.5f, 0.0f, 0.0f, 0xff000000);
98            canvas.drawText("Hello OpenGL renderer!", 100, 150, mMediumPaint);
99            mMediumPaint.clearShadowLayer();
100            canvas.drawText("Hello OpenGL renderer!", 100, 200, mLargePaint);
101
102            mLargePaint.setShadowLayer(2.5f, 3.0f, 3.0f, 0xff000000);
103            canvas.drawText("Hello OpenGL renderer!", 100, 400, mLargePaint);
104            mLargePaint.setShadowLayer(3.0f, 3.0f, 3.0f, 0xff00ff00);
105            mLargePaint.setAlpha(100);
106            canvas.drawText("Hello OpenGL renderer!", 100, 500, mLargePaint);
107            mLargePaint.setAlpha(255);
108            mLargePaint.setShadowLayer(3.0f, 3.0f, 3.0f, 0xd000ff00);
109            mLargePaint.setColor(0x00ffff00);
110            canvas.drawText("Hello OpenGL renderer!", 100, 600, mLargePaint);
111            mLargePaint.setShadowLayer(3.0f, 3.0f, 3.0f, 0x80000000);
112            mLargePaint.setColor(0x4dffffff);
113            canvas.drawText("Hello OpenGL renderer!", 100, 650, mLargePaint);
114            mLargePaint.setAlpha(255);
115            mLargePaint.setColor(0xff000000);
116            mLargePaint.clearShadowLayer();
117
118            canvas.drawText("Hello!", 500, 600, mHugePaint);
119
120            canvas.drawText("Hello OpenGL renderer!", 500, 40, mStrikePaint);
121            mStrikePaint.setStrikeThruText(true);
122            canvas.drawText("Hello OpenGL renderer!", 500, 70, mStrikePaint);
123            mStrikePaint.setUnderlineText(false);
124            canvas.drawText("Hello OpenGL renderer!", 500, 100, mStrikePaint);
125            mStrikePaint.setStrikeThruText(false);
126            mStrikePaint.setUnderlineText(true);
127
128            mSkewPaint.setTextSkewX(-0.25f);
129            canvas.drawText("Hello OpenGL renderer!", 980, 200, mSkewPaint);
130            mSkewPaint.setTextSkewX(0.5f);
131            canvas.drawText("Hello OpenGL renderer!", 980, 230, mSkewPaint);
132            mSkewPaint.setTextSkewX(0.0f);
133            canvas.drawText("Hello OpenGL renderer!", 980, 260, mSkewPaint);
134
135            mScaledPaint.setTextScaleX(0.5f);
136            canvas.drawText("Hello OpenGL renderer!", 500, 200, mScaledPaint);
137            mScaledPaint.setTextScaleX(1.0f);
138            canvas.drawText("Hello OpenGL renderer!", 500, 230, mScaledPaint);
139            mScaledPaint.setTextScaleX(2.0f);
140            canvas.drawText("Hello OpenGL renderer!", 500, 260, mScaledPaint);
141
142            canvas.save();
143            canvas.clipRect(150.0f, 220.0f, 450.0f, 320.0f);
144            canvas.drawText("Hello OpenGL renderer!", 100, 300, mLargePaint);
145            canvas.restore();
146
147        }
148    }
149}
150