1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.graphics;
18
19/**
20 * A DrawFilter subclass can be installed in a Canvas. When it is present, it
21 * can modify the paint that is used to draw (temporarily). With this, a filter
22 * can disable/enable antialiasing, or change the color for everything this is
23 * drawn.
24 */
25public class DrawFilter {
26
27    /**
28     * this is set by subclasses
29     * @hide
30     */
31    public long mNativeInt;
32
33    protected void finalize() throws Throwable {
34        try {
35            nativeDestructor(mNativeInt);
36            mNativeInt = 0;
37        } finally {
38            super.finalize();
39        }
40    }
41
42    private static native void nativeDestructor(long nativeDrawFilter);
43}
44
45