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Android example source code file (DrawFilter.java)

This example Android source code file (DrawFilter.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

drawfilter, throwable

The DrawFilter.java Android example source code

/*
 * Copyright (C) 2008 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;

/**
 * A DrawFilter subclass can be installed in a Canvas. When it is present, it
 * can modify the paint that is used to draw (temporarily). With this, a filter
 * can disable/enable antialiasing, or change the color for everything this is
 * drawn.
 */
public class DrawFilter {

    // this is set by subclasses, but don't make it public
    /* package */ int mNativeInt;    // pointer to native object

    protected void finalize() throws Throwable {
        nativeDestructor(mNativeInt);
    }
    
    private static native void nativeDestructor(int nativeDrawFilter);
}

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