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Android example source code file (BlurMaskFilter.java)

This example Android source code file (BlurMaskFilter.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" TM.

Java - Android tags/keywords

blur, blurmaskfilter, inner, normal, outer, solid

The BlurMaskFilter.java Android example source code

/*
 * 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;

/**
 * This takes a mask, and blurs its edge by the specified radius. Whether or
 * or not to include the original mask, and whether the blur goes outside,
 * inside, or straddles, the original mask's border, is controlled by the
 * Blur enum.
 */
public class BlurMaskFilter extends MaskFilter {

    public enum Blur {
        NORMAL(0),  //!< blur inside and outside of the original border
        SOLID(1),   //!< include the original mask, blur outside
        OUTER(2),   //!< just blur outside the original border
        INNER(3);   //!< just blur inside the original border
        
        Blur(int value) {
            native_int = value;
        }
        final int native_int;
    }
    
    /**
     * Create a blur maskfilter.
     *
     * @param radius The radius to extend the blur from the original mask. Must be > 0.
     * @param style  The Blur to use
     * @return       The new blur maskfilter
     */
    public BlurMaskFilter(float radius, Blur style) {
        native_instance = nativeConstructor(radius, style.native_int);
    }

    private static native int nativeConstructor(float radius, int style);
}

Other Android examples (source code examples)

Here is a short list of links related to this Android BlurMaskFilter.java source code file:

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