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/*
* Copyright (C) 2013 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 com.android.gallery3d.filtershow.filters;
import android.graphics.Bitmap;
import android.graphics.Matrix;
import android.graphics.RectF;
import java.util.Vector;
public class ImageFilterRedEye extends ImageFilter {
private static final String LOGTAG = "ImageFilterRedEye";
FilterRedEyeRepresentation mParameters = new FilterRedEyeRepresentation();
public ImageFilterRedEye() {
mName = "Red Eye";
}
@Override
public FilterRepresentation getDefaultRepresentation() {
return new FilterRedEyeRepresentation();
}
public boolean isNil() {
return mParameters.isNil();
}
public Vector<FilterPoint> getCandidates() {
return mParameters.getCandidates();
}
public void clear() {
mParameters.clearCandidates();
}
native protected void nativeApplyFilter(Bitmap bitmap, int w, int h, short[] matrix);
@Override
public void useRepresentation(FilterRepresentation representation) {
FilterRedEyeRepresentation parameters = (FilterRedEyeRepresentation) representation;
mParameters = parameters;
}
@Override
public Bitmap apply(Bitmap bitmap, float scaleFactor, int quality) {
int w = bitmap.getWidth();
int h = bitmap.getHeight();
short[] rect = new short[4];
int size = mParameters.getNumberOfCandidates();
Matrix originalToScreen = getOriginalToScreenMatrix(w, h);
for (int i = 0; i < size; i++) {
RectF r = new RectF(((RedEyeCandidate) (mParameters.getCandidate(i))).mRect);
originalToScreen.mapRect(r);
if (r.intersect(0, 0, w, h)) {
rect[0] = (short) r.left;
rect[1] = (short) r.top;
rect[2] = (short) r.width();
rect[3] = (short) r.height();
nativeApplyFilter(bitmap, w, h, rect);
}
}
return bitmap;
}
}
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