1 /* 2 * Copyright (C) 2008 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 // Need the following import to get access to the app resources, since this 20 // class is in a sub-package. 21 //import com.example.android.apis.R; 22 23 import android.content.Context; 24 import android.graphics.*; 25 import android.os.Bundle; 26 import android.view.View; 27 28 public class PathFillTypes extends GraphicsActivity { 29 30 @Override 31 protected void onCreate(Bundle savedInstanceState) { 32 super.onCreate(savedInstanceState); 33 setContentView(new SampleView(this)); 34 } 35 36 private static class SampleView extends View { 37 private Paint mPaint = new Paint(Paint.ANTI_ALIAS_FLAG); 38 private Path mPath; 39 40 public SampleView(Context context) { 41 super(context); 42 setFocusable(true); 43 setFocusableInTouchMode(true); 44 45 mPath = new Path(); 46 mPath.addCircle(40, 40, 45, Path.Direction.CCW); 47 mPath.addCircle(80, 80, 45, Path.Direction.CCW); 48 } 49 50 private void showPath(Canvas canvas, int x, int y, Path.FillType ft, 51 Paint paint) { 52 canvas.save(); 53 canvas.translate(x, y); 54 canvas.clipRect(0, 0, 120, 120); 55 canvas.drawColor(Color.WHITE); 56 mPath.setFillType(ft); 57 canvas.drawPath(mPath, paint); 58 canvas.restore(); 59 } 60 61 @Override protected void onDraw(Canvas canvas) { 62 Paint paint = mPaint; 63 64 canvas.drawColor(0xFFCCCCCC); 65 66 canvas.translate(20, 20); 67 68 paint.setAntiAlias(true); 69 70 showPath(canvas, 0, 0, Path.FillType.WINDING, paint); 71 showPath(canvas, 160, 0, Path.FillType.EVEN_ODD, paint); 72 showPath(canvas, 0, 160, Path.FillType.INVERSE_WINDING, paint); 73 showPath(canvas, 160, 160, Path.FillType.INVERSE_EVEN_ODD, paint); 74 } 75 } 76 } 77 78
