/*
* Copyright (C) 2007 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 ColorMatrixColorFilter extends ColorFilter {
/**
* Create a colorfilter that transforms colors through a 4x5 color matrix.
*
* @param matrix 4x5 matrix used to transform colors. It is copied into
* the filter, so changes made to the matrix after the filter
* is constructed will not be reflected in the filter.
*/
public ColorMatrixColorFilter(ColorMatrix matrix) {
final float[] colorMatrix = matrix.getArray();
native_instance = nativeColorMatrixFilter(colorMatrix);
nativeColorFilter = nColorMatrixFilter(native_instance, colorMatrix);
}
/**
* Create a colorfilter that transforms colors through a 4x5 color matrix.
*
* @param array array of floats used to transform colors, treated as a 4x5
* matrix. The first 20 entries of the array are copied into
* the filter. See ColorMatrix.
*/
public ColorMatrixColorFilter(float[] array) {
if (array.length < 20) {
throw new ArrayIndexOutOfBoundsException();
}
native_instance = nativeColorMatrixFilter(array);
nativeColorFilter = nColorMatrixFilter(native_instance, array);
}
private static native int nativeColorMatrixFilter(float[] array);
private static native int nColorMatrixFilter(int nativeFilter, float[] array);
}