MatrixColorFilter.java

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/*
 * Copyright 2021 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
package org.skia.jetski;
 
import java.lang.IllegalArgumentException;
 
public class MatrixColorFilter extends ColorFilter {
    public MatrixColorFilter(float[] m) throws IllegalArgumentException {
        super(makeNative(m));
    }
 
    private static long makeNative(float[] m) throws IllegalArgumentException {
        if (m.length != 20) {
            throw new IllegalArgumentException("Expecting an array of 20 floats.");
        }
 
        return nMakeMatrix(m);
    }
 
    private static native long nMakeMatrix(float[] m);
};