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 android.graphics.drawable.shapes; 18 19 import android.graphics.Canvas; 20 import android.graphics.Paint; 21 22 /** 23 * Creates an arc shape. The arc shape starts at a specified 24 * angle and sweeps clockwise, drawing slices of pie. 25 * The arc can be drawn to a Canvas with its own draw() method, 26 * but more graphical control is available if you instead pass 27 * the ArcShape to a {@link android.graphics.drawable.ShapeDrawable}. 28 */ 29 public class ArcShape extends RectShape { 30 private float mStart; 31 private float mSweep; 32 33 /** 34 * ArcShape constructor. 35 * 36 * @param startAngle the angle (in degrees) where the arc begins 37 * @param sweepAngle the sweep angle (in degrees). Anything equal to or 38 * greater than 360 results in a complete circle/oval. 39 */ ArcShape(float startAngle, float sweepAngle)40 public ArcShape(float startAngle, float sweepAngle) { 41 mStart = startAngle; 42 mSweep = sweepAngle; 43 } 44 45 @Override draw(Canvas canvas, Paint paint)46 public void draw(Canvas canvas, Paint paint) { 47 canvas.drawArc(rect(), mStart, mSweep, true, paint); 48 } 49 } 50 51