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.photoeditor.filters; 18 19 import android.graphics.PointF; 20 21 import com.android.photoeditor.Photo; 22 23 import java.util.Vector; 24 25 /** 26 * Red-eye removal filter applied to the image. 27 */ 28 public class RedEyeFilter extends Filter { 29 30 private static final float RADIUS_RATIO = 0.06f; 31 private static final float MIN_RADIUS = 10.0f; 32 private static final float DEFAULT_RED_INTENSITY = 1.30f; // an empirical value 33 34 private final Vector<PointF> redeyePositions = new Vector<PointF>(); 35 addRedEyePosition(PointF point)36 public void addRedEyePosition(PointF point) { 37 redeyePositions.add(point); 38 validate(); 39 } 40 41 @Override process(Photo src, Photo dst)42 public void process(Photo src, Photo dst) { 43 float radius = Math.max(MIN_RADIUS, RADIUS_RATIO * Math.min(src.width(), src.height())); 44 45 PointF[] a = new PointF[redeyePositions.size()]; 46 ImageUtils.nativeRedEye(src.bitmap(), dst.bitmap(), 47 redeyePositions.toArray(a), radius, DEFAULT_RED_INTENSITY); 48 } 49 } 50