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 android.graphics; 18 19 /** 20 * AvoidXfermode xfermode will draw the src everywhere except on top of the 21 * opColor or, depending on the Mode, draw only on top of the opColor. 22 * 23 * @removed 24 */ 25 @Deprecated 26 public class AvoidXfermode extends Xfermode { 27 28 // these need to match the enum in AvoidXfermode.h on the native side 29 public enum Mode { 30 AVOID (0), //!< draw everywhere except on the opColor 31 TARGET (1); //!< draw only on top of the opColor 32 33 Mode(int nativeInt) { 34 this.nativeInt = nativeInt; 35 } 36 final int nativeInt; 37 } 38 39 /** This xfermode draws, or doesn't draw, based on the destination's 40 * distance from an op-color. 41 * 42 * There are two modes, and each mode interprets a tolerance value. 43 * 44 * Avoid: In this mode, drawing is allowed only on destination pixels that 45 * are different from the op-color. 46 * Tolerance near 0: avoid any colors even remotely similar to the op-color 47 * Tolerance near 255: avoid only colors nearly identical to the op-color 48 49 * Target: In this mode, drawing only occurs on destination pixels that 50 * are similar to the op-color 51 * Tolerance near 0: draw only on colors that are nearly identical to the op-color 52 * Tolerance near 255: draw on any colors even remotely similar to the op-color 53 */ 54 public AvoidXfermode(int opColor, int tolerance, Mode mode) { 55 if (tolerance < 0 || tolerance > 255) { 56 throw new IllegalArgumentException("tolerance must be 0..255"); 57 } 58 } 59 } 60
