ImageFilterFx.java revision d0bab8c396b0b10fdfd07a9d4fccf969d8d46747 
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 ImageFilterFx extends ImageFilter {
22    private static final String TAG = "ImageFilterFx";
23    Bitmap fxBitmap;
24    int mNameResource = 0;
25    private FilterFxRepresentation mParameters = null;
26
27    public ImageFilterFx() {
28
29    }
30
31    public ImageFilterFx(Bitmap fxBitmap, String name, int nameResource) {
32        setFilterType(TYPE_FX);
33        mName = name;
34        this.fxBitmap = fxBitmap;
35        mNameResource = nameResource;
36    }
37
38    public void useRepresentation(FilterRepresentation representation) {
39        FilterFxRepresentation parameters = (FilterFxRepresentation) representation;
40        mParameters = parameters;
41    }
42
43    public FilterFxRepresentation getParameters() {
44        return mParameters;
45    }
46
47    @Override
48    public int getTextId() {
49        return mNameResource;
50    }
51
52    @Override
53    public ImageFilter clone() throws CloneNotSupportedException {
54        ImageFilterFx filter = (ImageFilterFx) super.clone();
55        filter.fxBitmap = this.fxBitmap;
56        return filter;
57    }
58
59    public boolean isNil() {
60        if (fxBitmap != null) {
61            return false;
62        }
63        return true;
64    }
65
66    @Override
67    public boolean showParameterValue() {
68        return false;
69    }
70
71    @Override
72    public boolean showEditingControls() {
73        return false;
74    }
75
76    @Override
77    public boolean showUtilityPanel() {
78        return false;
79    }
80
81    native protected void nativeApplyFilter(Bitmap bitmap, int w, int h,Bitmap  fxBitmap, int fxw, int fxh);
82
83    @Override
84    public Bitmap apply(Bitmap bitmap, float scaleFactor, boolean highQuality) {
85        if (getParameters() == null || getParameters().getFxBitmap() ==null) {
86            return bitmap;
87        }
88
89        int w = bitmap.getWidth();
90        int h = bitmap.getHeight();
91
92        int fxw = getParameters().getFxBitmap().getWidth();
93        int fxh = getParameters().getFxBitmap().getHeight();
94
95        nativeApplyFilter(bitmap, w, h,   getParameters().getFxBitmap(),  fxw,  fxh);
96        return bitmap;
97    }
98}
99