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/*
* Copyright (C) 2006 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.graphics;
public class PorterDuff {
// these value must match their native equivalents. See SkXfermode.h
public enum Mode {
/** [0, 0] */
CLEAR (0),
/** [Sa, Sc] */
SRC (1),
/** [Da, Dc] */
DST (2),
/** [Sa + (1 - Sa)*Da, Rc = Sc + (1 - Sa)*Dc] */
SRC_OVER (3),
/** [Sa + (1 - Sa)*Da, Rc = Dc + (1 - Da)*Sc] */
DST_OVER (4),
/** [Sa * Da, Sc * Da] */
SRC_IN (5),
/** [Sa * Da, Sa * Dc] */
DST_IN (6),
/** [Sa * (1 - Da), Sc * (1 - Da)] */
SRC_OUT (7),
/** [Da * (1 - Sa), Dc * (1 - Sa)] */
DST_OUT (8),
/** [Da, Sc * Da + (1 - Sa) * Dc] */
SRC_ATOP (9),
/** [Sa, Sa * Dc + Sc * (1 - Da)] */
DST_ATOP (10),
/** [Sa + Da - 2 * Sa * Da, Sc * (1 - Da) + (1 - Sa) * Dc] */
XOR (11),
/** [Sa + Da - Sa*Da,
Sc*(1 - Da) + Dc*(1 - Sa) + min(Sc, Dc)] */
DARKEN (16),
/** [Sa + Da - Sa*Da,
Sc*(1 - Da) + Dc*(1 - Sa) + max(Sc, Dc)] */
LIGHTEN (17),
/** [Sa * Da, Sc * Dc] */
MULTIPLY (13),
/** [Sa + Da - Sa * Da, Sc + Dc - Sc * Dc] */
SCREEN (14),
/** Saturate(S + D) */
ADD (12),
OVERLAY (15);
Mode(int nativeInt) {
this.nativeInt = nativeInt;
}
/**
* @hide
*/
public final int nativeInt;
}
}
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