1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/*
* Copyright (C) 2010 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.photoeditor.filters;
import android.graphics.RectF;
import android.media.effect.Effect;
import android.media.effect.EffectContext;
import android.media.effect.EffectFactory;
import com.android.gallery3d.photoeditor.Photo;
/**
* Crop filter applied to the image.
*/
public class CropFilter extends Filter {
private RectF bounds;
/**
* The rect coordinates used here should range from 0 to 1.
*/
public void setCropBounds(RectF bounds) {
this.bounds = bounds;
validate();
}
@Override
public void process(EffectContext context, Photo src, Photo dst) {
dst.changeDimension(Math.round(bounds.width() * src.width()),
Math.round(bounds.height() * src.height()));
Effect effect = getEffect(context, EffectFactory.EFFECT_CROP);
effect.setParameter("xorigin", Math.round(bounds.left * src.width()));
effect.setParameter("yorigin", Math.round(bounds.top * src.height()));
effect.setParameter("width", dst.width());
effect.setParameter("height", dst.height());
effect.apply(src.texture(), src.width(), src.height(), dst.texture());
}
}
|
