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 ImageFilterRedEye extends ImageFilter {
22    private static final String TAG = "ImageFilterRedEye";
23
24
25    public ImageFilterRedEye() {
26        mName = "Redeye";
27
28    }
29
30    @Override
31    public ImageFilter clone() throws CloneNotSupportedException {
32        ImageFilterRedEye filter = (ImageFilterRedEye) super.clone();
33
34        return filter;
35    }
36
37    native protected void nativeApplyFilter(Bitmap bitmap, int w, int h, short []matrix);
38
39    @Override
40    public Bitmap apply(Bitmap bitmap, float scaleFactor, boolean highQuality) {
41        int w = bitmap.getWidth();
42        int h = bitmap.getHeight();
43        float p = mParameter;
44        float value = p;
45        int box = Math.min(w, h);
46        int sizex = Math.min((int)((p+100)*box/400),w/2);
47        int sizey = Math.min((int)((p+100)*box/800),h/2);
48
49        short [] rect = new short[]{
50                (short) (w/2-sizex),(short) (w/2-sizey),
51                (short) (2*sizex),(short) (2*sizey)};
52
53        nativeApplyFilter(bitmap, w, h, rect);
54        return bitmap;
55    }
56}
57