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 public class BlurMaskFilter extends MaskFilter { 26 27 public enum Blur { 28 NORMAL(0), //!< blur inside and outside of the original border 29 SOLID(1), //!< include the original mask, blur outside 30 OUTER(2), //!< just blur outside the original border 31 INNER(3); //!< just blur inside the original border 32 Blur(int value)33 Blur(int value) { 34 native_int = value; 35 } 36 final int native_int; 37 } 38 39 /** 40 * Create a blur maskfilter. 41 * 42 * @param radius The radius to extend the blur from the original mask. Must be > 0. 43 * @param style The Blur to use 44 * @return The new blur maskfilter 45 */ BlurMaskFilter(float radius, Blur style)46 public BlurMaskFilter(float radius, Blur style) { 47 native_instance = nativeConstructor(radius, style.native_int); 48 } 49 nativeConstructor(float radius, int style)50 private static native int nativeConstructor(float radius, int style); 51 } 52