ImageFilterEdge.java revision 27fb72ee1413871b4958ab2f24a229574de6ffa2 
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
21import com.android.gallery3d.R;
22
23public class ImageFilterEdge extends ImageFilter {
24
25    public ImageFilterEdge() {
26        mName = "Edge";
27        mPreviewParameter = 0;
28    }
29
30    native protected void nativeApplyFilter(Bitmap bitmap, int w, int h, float p);
31
32    @Override
33    public int getButtonId() {
34        return R.id.edgeButton;
35    }
36
37    @Override
38    public int getTextId() {
39        return R.string.edge;
40    }
41
42    @Override
43    public boolean isNil() {
44        return false;
45    }
46
47    @Override
48    public Bitmap apply(Bitmap bitmap, float scaleFactor, boolean highQuality) {
49        int w = bitmap.getWidth();
50        int h = bitmap.getHeight();
51        float p = mParameter + 101;
52        p = (float) p / 100;
53        nativeApplyFilter(bitmap, w, h, p);
54        return bitmap;
55    }
56}
57