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 17 package com.example.android.apis.graphics; 18 19 import android.content.Context; 20 import android.graphics.*; 21 import android.graphics.drawable.Drawable; 22 import android.graphics.drawable.ShapeDrawable; 23 import android.graphics.drawable.shapes.*; 24 import android.os.Bundle; 25 import android.view.*; 26 27 public class ShapeDrawable1 extends GraphicsActivity { 28 29 @Override onCreate(Bundle savedInstanceState)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 makeSweep()38 private static Shader makeSweep() { 39 return new SweepGradient(150, 25, 40 new int[] { 0xFFFF0000, 0xFF00FF00, 0xFF0000FF, 0xFFFF0000 }, 41 null); 42 } 43 makeLinear()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 makeTiling()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 MyShapeDrawable(Shape s)62 public MyShapeDrawable(Shape s) { 63 super(s); 64 mStrokePaint.setStyle(Paint.Style.STROKE); 65 } 66 getStrokePaint()67 public Paint getStrokePaint() { 68 return mStrokePaint; 69 } 70 onDraw(Shape s, Canvas c, Paint p)71 @Override protected void onDraw(Shape s, Canvas c, Paint p) { 72 s.draw(c, p); 73 s.draw(c, mStrokePaint); 74 } 75 } 76 SampleView(Context context)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 onDraw(Canvas canvas)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