1/*
2 * Copyright (C) 2011 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
17
18package android.filterpacks.imageproc;
19
20import android.content.Context;
21import android.filterfw.core.Filter;
22import android.filterfw.core.FilterContext;
23import android.filterfw.core.Frame;
24import android.filterfw.core.FrameFormat;
25import android.filterfw.core.GenerateFieldPort;
26import android.filterfw.core.KeyValueMap;
27import android.filterfw.format.ImageFormat;
28import android.graphics.Bitmap;
29import android.graphics.Bitmap.CompressFormat;
30
31import android.util.Log;
32
33import java.io.OutputStream;
34import java.io.IOException;
35
36/**
37 * @hide
38 */
39public class ImageEncoder extends Filter {
40
41    @GenerateFieldPort(name = "stream")
42    private OutputStream mOutputStream;
43
44    @GenerateFieldPort(name = "quality", hasDefault = true)
45    private int mQuality = 80;
46
47    public ImageEncoder(String name) {
48        super(name);
49    }
50
51    @Override
52    public void setupPorts() {
53        addMaskedInputPort("image", ImageFormat.create(ImageFormat.COLORSPACE_RGBA,
54                                                       FrameFormat.TARGET_UNSPECIFIED));
55    }
56
57    @Override
58    public void process(FilterContext env) {
59        Frame input = pullInput("image");
60        Bitmap bitmap = input.getBitmap();
61        bitmap.compress(CompressFormat.JPEG, mQuality, mOutputStream);
62    }
63
64}
65