xref: /frameworks/base/graphics/java/android/graphics/EmbossMaskFilter.java

/*
 * 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 EmbossMaskFilter extends MaskFilter {
    /**
     * Create an emboss maskfilter
     *
     * @param direction  array of 3 scalars [x, y, z] specifying the direction of the light source
     * @param ambient    0...1 amount of ambient light
     * @param specular   coefficient for specular highlights (e.g. 8)
     * @param blurRadius amount to blur before applying lighting (e.g. 3)
     * @return           the emboss maskfilter
     */
    public EmbossMaskFilter(float[] direction, float ambient, float specular, float blurRadius) {
        if (direction.length < 3) {
            throw new ArrayIndexOutOfBoundsException();
        }
        native_instance = nativeConstructor(direction, ambient, specular, blurRadius);
    }

    private static native long nativeConstructor(float[] direction, float ambient, float specular, float blurRadius);
}