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.graphics.RectF;
25import android.os.Bundle;
26import android.view.View;
27
28@SuppressWarnings({"UnusedDeclaration"})
29public class ScaledPathsActivity extends Activity {
30    @Override
31    protected void onCreate(Bundle savedInstanceState) {
32        super.onCreate(savedInstanceState);
33        final PathsView view = new PathsView(this);
34        setContentView(view);
35    }
36
37    public static class PathsView extends View {
38        private final Paint mPathPaint;
39        private final Path mPath;
40        private final RectF mPathBounds = new RectF();
41
42        public PathsView(Context c) {
43            super(c);
44
45            mPathPaint = new Paint();
46            mPathPaint.setAntiAlias(true);
47            mPathPaint.setColor(0xff0000ff);
48            mPathPaint.setStrokeWidth(5.0f);
49            mPathPaint.setStyle(Paint.Style.FILL);
50
51            mPath = new Path();
52            mPath.moveTo(0.0f, 0.0f);
53            mPath.cubicTo(0.0f, 0.0f, 100.0f, 150.0f, 100.0f, 200.0f);
54            mPath.cubicTo(100.0f, 200.0f, 50.0f, 300.0f, -80.0f, 200.0f);
55            mPath.cubicTo(-80.0f, 200.0f, 100.0f, 200.0f, 200.0f, 0.0f);
56
57            mPath.computeBounds(mPathBounds, true);
58        }
59
60        @Override
61        protected void onDraw(Canvas canvas) {
62            super.onDraw(canvas);
63            canvas.drawARGB(255, 255, 255, 255);
64
65            mPathPaint.setColor(0xff0000ff);
66            mPathPaint.setStyle(Paint.Style.FILL);
67
68            canvas.save();
69            drawPath(canvas, 1.0f, 1.0f);
70            drawPath(canvas, 2.0f, 2.0f);
71            drawPath(canvas, 4.0f, 4.0f);
72            canvas.restore();
73
74            mPathPaint.setColor(0xffff0000);
75            mPathPaint.setStyle(Paint.Style.STROKE);
76
77            canvas.save();
78            drawPath(canvas, 1.0f, 1.0f);
79            drawPath(canvas, 2.0f, 2.0f);
80            drawPath(canvas, 4.0f, 4.0f);
81            canvas.restore();
82        }
83
84        private void drawPath(Canvas canvas, float scaleX, float scaleY) {
85            canvas.save();
86            canvas.scale(scaleX, scaleY);
87            canvas.drawPath(mPath, mPathPaint);
88            canvas.restore();
89            canvas.translate(mPathBounds.width() * scaleX, 0.0f);
90        }
91    }
92}
93