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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;
import android.annotation.ColorInt;
import android.annotation.NonNull;
/**
* A color filter that can be used to tint the source pixels using a single
* color and a specific {@link PorterDuff Porter-Duff composite mode}.
*/
public class PorterDuffColorFilter extends ColorFilter {
private int mColor;
private PorterDuff.Mode mMode;
/**
* Create a color filter that uses the specified color and Porter-Duff mode.
*
* @param color The ARGB source color used with the specified Porter-Duff mode
* @param mode The porter-duff mode that is applied
*
* @see Color
* @see #setColor(int)
* @see #setMode(android.graphics.PorterDuff.Mode)
*/
public PorterDuffColorFilter(@ColorInt int color, @NonNull PorterDuff.Mode mode) {
mColor = color;
mMode = mode;
update();
}
/**
* Returns the ARGB color used to tint the source pixels when this filter
* is applied.
*
* @see Color
* @see #setColor(int)
*
* @hide
*/
public int getColor() {
return mColor;
}
/**
* Specifies the color to tint the source pixels with when this color
* filter is applied.
*
* @param color An ARGB {@link Color color}
*
* @see Color
* @see #getColor()
* @see #getMode()
*
* @hide
*/
public void setColor(int color) {
mColor = color;
update();
}
/**
* Returns the Porter-Duff mode used to composite this color filter's
* color with the source pixel when this filter is applied.
*
* @see PorterDuff
* @see #setMode(android.graphics.PorterDuff.Mode)
*
* @hide
*/
public PorterDuff.Mode getMode() {
return mMode;
}
/**
* Specifies the Porter-Duff mode to use when compositing this color
* filter's color with the source pixel at draw time.
*
* @see PorterDuff
* @see #getMode()
* @see #getColor()
*
* @hide
*/
public void setMode(@NonNull PorterDuff.Mode mode) {
mMode = mode;
update();
}
private void update() {
destroyFilter(native_instance);
native_instance = native_CreatePorterDuffFilter(mColor, mMode.nativeInt);
}
@Override
public boolean equals(Object object) {
if (this == object) {
return true;
}
if (object == null || getClass() != object.getClass()) {
return false;
}
final PorterDuffColorFilter other = (PorterDuffColorFilter) object;
if (mColor != other.mColor || mMode != other.mMode) {
return false;
}
return true;
}
@Override
public int hashCode() {
return 31 * mMode.hashCode() + mColor;
}
private static native long native_CreatePorterDuffFilter(int srcColor, int porterDuffMode);
}
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