ImageFilterVignette.java revision 6900cad45d240c9a54b92991538b6a33652e766c 
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 com.android.gallery3d.R;
20
21import android.graphics.Bitmap;
22import com.android.gallery3d.app.Log;
23
24public class ImageFilterVignette extends SimpleImageFilter {
25
26    private static final String LOGTAG = "ImageFilterVignette";
27
28    public ImageFilterVignette() {
29        mName = "Vignette";
30    }
31
32    public FilterRepresentation getDefaultRepresentation() {
33        FilterBasicRepresentation representation = (FilterBasicRepresentation) super.getDefaultRepresentation();
34        representation.setName("Vignette");
35        representation.setFilterClass(ImageFilterVignette.class);
36        representation.setPriority(FilterRepresentation.TYPE_VIGNETTE);
37        representation.setTextId(R.string.vignette);
38        representation.setButtonId(R.id.vignetteButton);
39        return representation;
40    }
41
42    native protected void nativeApplyFilter(Bitmap bitmap, int w, int h, float strength);
43
44    @Override
45    public Bitmap apply(Bitmap bitmap, float scaleFactor, boolean highQuality) {
46        if (getParameters() == null) {
47            return bitmap;
48        }
49        int w = bitmap.getWidth();
50        int h = bitmap.getHeight();
51        float value = getParameters().getValue() / 100.0f;
52        nativeApplyFilter(bitmap, w, h, value);
53
54        return bitmap;
55    }
56}
57