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