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