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      1 /*
      2  * Copyright (C) 2010 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 package com.android.gallery3d.photoeditor.filters;
     18 
     19 import android.graphics.PointF;
     20 import android.media.effect.Effect;
     21 import android.media.effect.EffectFactory;
     22 
     23 import com.android.gallery3d.photoeditor.Photo;
     24 
     25 import java.util.Vector;
     26 
     27 /**
     28  * Red-eye removal filter applied to the image.
     29  */
     30 public class RedEyeFilter extends Filter {
     31 
     32     private final Vector<PointF> redeyes = new Vector<PointF>();
     33 
     34     /**
     35      * The point coordinates used here should range from 0 to 1.
     36      */
     37     public void addRedEyePosition(PointF point) {
     38         redeyes.add(point);
     39         validate();
     40     }
     41 
     42     @Override
     43     public void process(Photo src, Photo dst) {
     44         Effect effect = getEffect(EffectFactory.EFFECT_REDEYE);
     45         float[] centers = new float[redeyes.size() * 2];
     46         int i = 0;
     47         for (PointF eye : redeyes) {
     48             centers[i++] = eye.x;
     49             centers[i++] = eye.y;
     50         }
     51         effect.setParameter("centers", centers);
     52         effect.apply(src.texture(), src.width(), src.height(), dst.texture());
     53     }
     54 }
     55