1/*
2 * Copyright (C) 2012 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 com.android.gallery3d.filtershow.filters;
18
19import android.graphics.Bitmap;
20
21public class ImageFilterVignette extends ImageFilter {
22
23    public ImageFilterVignette() {
24        setFilterType(TYPE_VIGNETTE);
25        mName = "Vignette";
26    }
27
28    native protected void nativeApplyFilter(Bitmap bitmap, int w, int h, float strength);
29
30    @Override
31    public Bitmap apply(Bitmap bitmap, float scaleFactor, boolean highQuality) {
32        int w = bitmap.getWidth();
33        int h = bitmap.getHeight();
34        float p = mParameter;
35        float value = p / 100.0f;
36        nativeApplyFilter(bitmap, w, h, value);
37
38        return bitmap;
39    }
40}
41