1 /* 2 * Copyright (C) 2006 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; 18 19 /** 20 * This takes a mask, and blurs its edge by the specified radius. Whether or 21 * or not to include the original mask, and whether the blur goes outside, 22 * inside, or straddles, the original mask's border, is controlled by the 23 * Blur enum. 24 */ 25 @android.ravenwood.annotation.RavenwoodKeepWholeClass 26 public class BlurMaskFilter extends MaskFilter { 27 28 public enum Blur { 29 /** 30 * Blur inside and outside the original border. 31 */ 32 NORMAL(0), 33 34 /** 35 * Draw solid inside the border, blur outside. 36 */ 37 SOLID(1), 38 39 /** 40 * Draw nothing inside the border, blur outside. 41 */ 42 OUTER(2), 43 44 /** 45 * Blur inside the border, draw nothing outside. 46 */ 47 INNER(3); 48 Blur(int value)49 Blur(int value) { 50 native_int = value; 51 } 52 final int native_int; 53 } 54 55 /** 56 * Create a blur maskfilter. 57 * 58 * @param radius The radius to extend the blur from the original mask. Must be > 0. 59 * @param style The Blur to use 60 * @return The new blur maskfilter 61 */ BlurMaskFilter(float radius, Blur style)62 public BlurMaskFilter(float radius, Blur style) { 63 native_instance = nativeConstructor(radius, style.native_int); 64 } 65 nativeConstructor(float radius, int style)66 private static native long nativeConstructor(float radius, int style); 67 } 68