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.graphics.Path;
24import android.os.Bundle;
25import android.view.View;
26import android.widget.ScrollView;
27
28@SuppressWarnings({"UnusedDeclaration"})
29public class TextPathActivity extends Activity {
30    @Override
31    protected void onCreate(Bundle savedInstanceState) {
32        super.onCreate(savedInstanceState);
33
34        ScrollView scroller = new ScrollView(this);
35        scroller.addView(new CustomTextView(this));
36        setContentView(scroller);
37    }
38
39    static class CustomTextView extends View {
40        private final Paint mHugePaint;
41
42        CustomTextView(Context c) {
43            super(c);
44
45            mHugePaint = new Paint();
46            mHugePaint.setAntiAlias(true);
47            mHugePaint.setColor(0xff000000);
48            mHugePaint.setTextSize(300f);
49        }
50
51        @Override
52        protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
53            setMeasuredDimension(MeasureSpec.getSize(widthMeasureSpec), 3000);
54        }
55
56        @Override
57        protected void onDraw(Canvas canvas) {
58            super.onDraw(canvas);
59            canvas.drawRGB(255, 255, 255);
60
61            Path path = new Path();
62
63            canvas.translate(100.0f, 300.0f);
64            drawTextAsPath(canvas, "Hello", path);
65
66            canvas.translate(0.0f, 400.0f);
67            drawTextAsPath(canvas, "OpenGL", path);
68        }
69
70        private void drawTextAsPath(Canvas canvas, String text, Path path) {
71            int count = text.length();
72            mHugePaint.getTextPath(text, 0, count, 0, 0, path);
73            path.close();
74            canvas.drawPath(path, mHugePaint);
75        }
76    }
77}
78