1/*
2 * Copyright (C) 2007 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.example.android.apis.graphics;
18
19import android.content.Context;
20import android.graphics.*;
21import android.graphics.drawable.Drawable;
22import android.graphics.drawable.ShapeDrawable;
23import android.graphics.drawable.shapes.*;
24import android.os.Bundle;
25import android.view.*;
26
27public class ShapeDrawable1 extends GraphicsActivity {
28
29    @Override
30    protected void onCreate(Bundle savedInstanceState) {
31        super.onCreate(savedInstanceState);
32        setContentView(new SampleView(this));
33    }
34
35    private static class SampleView extends View {
36        private ShapeDrawable[] mDrawables;
37
38        private static Shader makeSweep() {
39            return new SweepGradient(150, 25,
40                new int[] { 0xFFFF0000, 0xFF00FF00, 0xFF0000FF, 0xFFFF0000 },
41                null);
42        }
43
44        private static Shader makeLinear() {
45            return new LinearGradient(0, 0, 50, 50,
46                              new int[] { 0xFFFF0000, 0xFF00FF00, 0xFF0000FF },
47                              null, Shader.TileMode.MIRROR);
48        }
49
50        private static Shader makeTiling() {
51            int[] pixels = new int[] { 0xFFFF0000, 0xFF00FF00, 0xFF0000FF, 0};
52            Bitmap bm = Bitmap.createBitmap(pixels, 2, 2,
53                                            Bitmap.Config.ARGB_8888);
54
55            return new BitmapShader(bm, Shader.TileMode.REPEAT,
56                                        Shader.TileMode.REPEAT);
57        }
58
59        private static class MyShapeDrawable extends ShapeDrawable {
60            private Paint mStrokePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
61
62            public MyShapeDrawable(Shape s) {
63                super(s);
64                mStrokePaint.setStyle(Paint.Style.STROKE);
65            }
66
67            public Paint getStrokePaint() {
68                return mStrokePaint;
69            }
70
71            @Override protected void onDraw(Shape s, Canvas c, Paint p) {
72                s.draw(c, p);
73                s.draw(c, mStrokePaint);
74            }
75        }
76
77        public SampleView(Context context) {
78            super(context);
79            setFocusable(true);
80
81            float[] outerR = new float[] { 12, 12, 12, 12, 0, 0, 0, 0 };
82            RectF   inset = new RectF(6, 6, 6, 6);
83            float[] innerR = new float[] { 12, 12, 0, 0, 12, 12, 0, 0 };
84
85            Path path = new Path();
86            path.moveTo(50, 0);
87            path.lineTo(0, 50);
88            path.lineTo(50, 100);
89            path.lineTo(100, 50);
90            path.close();
91
92            mDrawables = new ShapeDrawable[7];
93            mDrawables[0] = new ShapeDrawable(new RectShape());
94            mDrawables[1] = new ShapeDrawable(new OvalShape());
95            mDrawables[2] = new ShapeDrawable(new RoundRectShape(outerR, null,
96                                                                 null));
97            mDrawables[3] = new ShapeDrawable(new RoundRectShape(outerR, inset,
98                                                                 null));
99            mDrawables[4] = new ShapeDrawable(new RoundRectShape(outerR, inset,
100                                                                 innerR));
101            mDrawables[5] = new ShapeDrawable(new PathShape(path, 100, 100));
102            mDrawables[6] = new MyShapeDrawable(new ArcShape(45, -270));
103
104            mDrawables[0].getPaint().setColor(0xFFFF0000);
105            mDrawables[1].getPaint().setColor(0xFF00FF00);
106            mDrawables[2].getPaint().setColor(0xFF0000FF);
107            mDrawables[3].getPaint().setShader(makeSweep());
108            mDrawables[4].getPaint().setShader(makeLinear());
109            mDrawables[5].getPaint().setShader(makeTiling());
110            mDrawables[6].getPaint().setColor(0x88FF8844);
111
112            PathEffect pe = new DiscretePathEffect(10, 4);
113            PathEffect pe2 = new CornerPathEffect(4);
114            mDrawables[3].getPaint().setPathEffect(
115                                                new ComposePathEffect(pe2, pe));
116
117            MyShapeDrawable msd = (MyShapeDrawable)mDrawables[6];
118            msd.getStrokePaint().setStrokeWidth(4);
119        }
120
121        @Override protected void onDraw(Canvas canvas) {
122
123            int x = 10;
124            int y = 10;
125            int width = 300;
126            int height = 50;
127
128            for (Drawable dr : mDrawables) {
129                dr.setBounds(x, y, x + width, y + height);
130                dr.draw(canvas);
131                y += height + 5;
132            }
133        }
134    }
135}
136
137