ImageFilterFx.java revision 8029c8567a162eb66fe54255bdeae264d594278d 
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.filtershow.editors.BasicEditor;
22import com.android.gallery3d.filtershow.editors.ImageOnlyEditor;
23
24public class ImageFilterFx extends ImageFilter {
25    private static final String TAG = "ImageFilterFx";
26    Bitmap fxBitmap;
27    int mNameResource = 0;
28    private FilterFxRepresentation mParameters = null;
29
30    public ImageFilterFx() {
31
32    }
33
34    public ImageFilterFx(Bitmap fxBitmap, String name, int nameResource) {
35        setFilterType(TYPE_FX);
36        mName = name;
37        this.fxBitmap = fxBitmap;
38        mNameResource = nameResource;
39    }
40
41    public void useRepresentation(FilterRepresentation representation) {
42        FilterFxRepresentation parameters = (FilterFxRepresentation) representation;
43        mParameters = parameters;
44    }
45
46    public FilterFxRepresentation getParameters() {
47        return mParameters;
48    }
49
50    @Override
51    public int getTextId() {
52        return mNameResource;
53    }
54
55    public boolean isNil() {
56        if (fxBitmap != null) {
57            return false;
58        }
59        return true;
60    }
61
62    @Override
63    public int getEditingViewId() {
64        return ImageOnlyEditor.ID;
65    }
66
67    @Override
68    public boolean showParameterValue() {
69        return false;
70    }
71
72    @Override
73    public boolean showEditingControls() {
74        return false;
75    }
76
77    @Override
78    public boolean showUtilityPanel() {
79        return false;
80    }
81
82    native protected void nativeApplyFilter(Bitmap bitmap, int w, int h,Bitmap  fxBitmap, int fxw, int fxh);
83
84    @Override
85    public Bitmap apply(Bitmap bitmap, float scaleFactor, boolean highQuality) {
86        if (getParameters() == null || getParameters().getFxBitmap() ==null) {
87            return bitmap;
88        }
89
90        int w = bitmap.getWidth();
91        int h = bitmap.getHeight();
92
93        int fxw = getParameters().getFxBitmap().getWidth();
94        int fxh = getParameters().getFxBitmap().getHeight();
95
96        nativeApplyFilter(bitmap, w, h,   getParameters().getFxBitmap(),  fxw,  fxh);
97        return bitmap;
98    }
99}
100