content: /*
   * Copyright (C) 2011 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  
  package android.filterpacks.imageproc;
  
  import android.filterfw.core.Filter;
  import android.filterfw.core.FilterContext;
  import android.filterfw.core.Frame;
  import android.filterfw.core.FrameFormat;
  import android.filterfw.core.GenerateFieldPort;
  import android.filterfw.format.ImageFormat;
  import android.graphics.Bitmap;
  import android.graphics.Bitmap.CompressFormat;
  
  import java.io.OutputStream;
  
  /**
   * @hide
   */
  public class ImageEncoder extends Filter {
  
      @GenerateFieldPort(name = "stream")
      private OutputStream mOutputStream;
  
      @GenerateFieldPort(name = "quality", hasDefault = true)
      private int mQuality = 80;
  
      public ImageEncoder(String name) {
          super(name);
      }
  
      @Override
      public void setupPorts() {
          addMaskedInputPort("image", ImageFormat.create(ImageFormat.COLORSPACE_RGBA,
                                                         FrameFormat.TARGET_UNSPECIFIED));
      }
  
      @Override
      public void process(FilterContext env) {
          Frame input = pullInput("image");
          Bitmap bitmap = input.getBitmap();
          bitmap.compress(CompressFormat.JPEG, mQuality, mOutputStream);
      }
  
  }
  