ImageFilterShadows.java revision afa8ed9d46e760d4b0c0331cfcb4bb49ef6ba280 
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;
22
23public class ImageFilterShadows extends SimpleImageFilter {
24    private static final String SERIALIZATION_NAME = "SHADOWS";
25    public ImageFilterShadows() {
26        mName = "Shadows";
27
28    }
29
30    public FilterRepresentation getDefaultRepresentation() {
31        FilterBasicRepresentation representation =
32                (FilterBasicRepresentation) super.getDefaultRepresentation();
33        representation.setName("Shadows");
34        representation.setSerializationName(SERIALIZATION_NAME);
35        representation.setFilterClass(ImageFilterShadows.class);
36        representation.setTextId(R.string.shadow_recovery);
37        representation.setButtonId(R.id.shadowRecoveryButton);
38        representation.setMinimum(-100);
39        representation.setMaximum(100);
40        representation.setDefaultValue(0);
41        representation.setSupportsPartialRendering(true);
42        return representation;
43    }
44
45    native protected void nativeApplyFilter(Bitmap bitmap, int w, int h, float  factor);
46
47    @Override
48    public Bitmap apply(Bitmap bitmap, float scaleFactor, int quality) {
49        if (getParameters() == null) {
50            return bitmap;
51        }
52        int w = bitmap.getWidth();
53        int h = bitmap.getHeight();
54        float p = getParameters().getValue();
55
56        nativeApplyFilter(bitmap, w, h, p);
57        return bitmap;
58    }
59}
60