19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.graphics.drawable.shapes; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Canvas; 2024bf21b89469a7175d66add2affd6fe765d3a075Alan Viveretteimport android.graphics.Outline; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Paint; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 24446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette * Creates an arc shape. The arc shape starts at a specified angle and sweeps 25446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette * clockwise, drawing slices of pie. 26446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette * <p> 27446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette * The arc can be drawn to a {@link Canvas} with its own 28446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette * {@link #draw(Canvas, Paint)} method, but more graphical control is available 29446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette * if you instead pass the ArcShape to a 30446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette * {@link android.graphics.drawable.ShapeDrawable}. 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class ArcShape extends RectShape { 33446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette private final float mStartAngle; 34446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette private final float mSweepAngle; 35446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 37446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette * ArcShape constructor. 38446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette * 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param startAngle the angle (in degrees) where the arc begins 40446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette * @param sweepAngle the sweep angle (in degrees). Anything equal to or 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * greater than 360 results in a complete circle/oval. 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ArcShape(float startAngle, float sweepAngle) { 44446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette mStartAngle = startAngle; 45446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette mSweepAngle = sweepAngle; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette 48446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette /** 49446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette * @return the angle (in degrees) where the arc begins 50446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette */ 51446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette public final float getStartAngle() { 52446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette return mStartAngle; 53446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette } 54446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette 55446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette /** 56446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette * @return the sweep angle (in degrees) 57446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette */ 58446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette public final float getSweepAngle() { 59446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette return mSweepAngle; 60446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette } 61446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void draw(Canvas canvas, Paint paint) { 64446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette canvas.drawArc(rect(), mStartAngle, mSweepAngle, true, paint); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6624bf21b89469a7175d66add2affd6fe765d3a075Alan Viverette 6724bf21b89469a7175d66add2affd6fe765d3a075Alan Viverette @Override 6824bf21b89469a7175d66add2affd6fe765d3a075Alan Viverette public void getOutline(Outline outline) { 6924bf21b89469a7175d66add2affd6fe765d3a075Alan Viverette // Since we don't support concave outlines, arc shape does not attempt 7024bf21b89469a7175d66add2affd6fe765d3a075Alan Viverette // to provide an outline. 7124bf21b89469a7175d66add2affd6fe765d3a075Alan Viverette } 72446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette 73446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette @Override 74446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette public ArcShape clone() throws CloneNotSupportedException { 75446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette return (ArcShape) super.clone(); 76446d988b44b6e492e4cfc36be00a1e1aeaaf8c20Alan Viverette } 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 79