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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/*
* Copyright (C) 2012 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.Canvas;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.RectF;
import android.util.Log;
import com.android.gallery3d.filtershow.imageshow.GeometryMetadata;
import com.android.gallery3d.filtershow.imageshow.GeometryMetadata.FLIP;
import com.android.gallery3d.filtershow.imageshow.ImageGeometry;
public class ImageFilterGeometry extends ImageFilter {
private final Bitmap.Config mConfig = Bitmap.Config.ARGB_8888;
private GeometryMetadata mGeometry = null;
private static final String LOGTAG = "ImageFilterGeometry";
private static final boolean LOGV = false;
private static final int BOTH = 3;
private static final int VERTICAL = 2;
private static final int HORIZONTAL = 1;
public ImageFilterGeometry() {
mName = "Geometry";
}
@Override
public ImageFilter clone() throws CloneNotSupportedException {
ImageFilterGeometry filter = (ImageFilterGeometry) super.clone();
return filter;
}
public void setGeometryMetadata(GeometryMetadata m) {
mGeometry = m;
}
native protected void nativeApplyFilterFlip(Bitmap src, int srcWidth, int srcHeight,
Bitmap dst, int dstWidth, int dstHeight, int flip);
native protected void nativeApplyFilterRotate(Bitmap src, int srcWidth, int srcHeight,
Bitmap dst, int dstWidth, int dstHeight, float rotate);
native protected void nativeApplyFilterCrop(Bitmap src, int srcWidth, int srcHeight,
Bitmap dst, int dstWidth, int dstHeight, int offsetWidth, int offsetHeight);
native protected void nativeApplyFilterStraighten(Bitmap src, int srcWidth, int srcHeight,
Bitmap dst, int dstWidth, int dstHeight, float straightenAngle);
@Override
public Bitmap apply(Bitmap originalBitmap, float scaleFactor, boolean highQuality) {
Rect cropBounds = new Rect();
Rect originalBounds = new Rect();
FLIP flipType = mGeometry.getFlipType();
float rAngle = mGeometry.getRotation();
float sAngle = mGeometry.getStraightenRotation();
mGeometry.getCropBounds().roundOut(cropBounds);
mGeometry.getPhotoBounds().roundOut(originalBounds);
boolean flip = flipType != FLIP.NONE;
boolean rotate = rAngle != 0;
boolean crop = !cropBounds.equals(originalBounds);
boolean straighten = sAngle != 0;
int jniFlipType = 0;
switch (flipType) {
case BOTH:
jniFlipType = BOTH;
break;
case VERTICAL:
jniFlipType = VERTICAL;
break;
case HORIZONTAL:
jniFlipType = HORIZONTAL;
break;
default:
jniFlipType = 0;
break;
}
int bmWidth = originalBitmap.getWidth();
int bmHeight = originalBitmap.getHeight();
if (!(flip || rotate || crop || straighten)) {
return originalBitmap;
}
if (originalBounds.width() != bmWidth || originalBounds.height() != bmHeight) {
if (LOGV)
Log.v(LOGTAG, "PHOTOBOUNDS WIDTH/HEIGHT NOT SAME AS BITMAP WIDTH/HEIGHT");
return originalBitmap;
}
Bitmap modBitmap = originalBitmap;
Rect modifiedBounds = new Rect(originalBounds);
if (flip) {
modBitmap = originalBitmap.copy(mConfig, true);
nativeApplyFilterFlip(originalBitmap, bmWidth, bmHeight, modBitmap,
bmWidth, bmHeight, jniFlipType);
}
if (rotate) {
// Fails for non-90 degree rotations
Bitmap modBitmapRotate = null;
if (((int) (sAngle / 90)) % 2 == 0) {
modBitmapRotate = Bitmap.createBitmap(bmWidth, bmHeight, mConfig);
nativeApplyFilterRotate(modBitmap, bmWidth, bmHeight, modBitmapRotate,
bmWidth, bmHeight, mGeometry.getRotation());
modifiedBounds = new Rect(0, 0, bmWidth, bmHeight);
} else {
modBitmapRotate = Bitmap.createBitmap(bmHeight, bmWidth, mConfig);
nativeApplyFilterRotate(modBitmap, bmWidth, bmHeight, modBitmapRotate,
bmHeight, bmWidth, mGeometry.getRotation());
modifiedBounds = new Rect(0, 0, bmHeight, bmWidth);
}
modBitmap = modBitmapRotate;
}
if (straighten) {
Rect straightenBounds = new Rect();
ImageGeometry.getUntranslatedStraightenCropBounds(new RectF(modifiedBounds), sAngle)
.roundOut(straightenBounds);
Bitmap modBitmapStraighten = Bitmap.createBitmap(straightenBounds.width(),
straightenBounds.height(), mConfig);
nativeApplyFilterStraighten(modBitmap, modifiedBounds.width(), modifiedBounds.height(),
modBitmapStraighten,
straightenBounds.width(), straightenBounds.height(),
mGeometry.getStraightenRotation());
modifiedBounds = straightenBounds;
modBitmap = modBitmapStraighten;
}
if (crop) {
Bitmap modBitmapCrop = Bitmap.createBitmap(cropBounds.width(), cropBounds.height(),
mConfig);
// Force crop bounds to be within straighten bounds.
if (!modifiedBounds.intersect(cropBounds)) {
return modBitmap;
}
nativeApplyFilterCrop(modBitmap, bmWidth, bmHeight, modBitmapCrop,
cropBounds.width(), cropBounds.height(), cropBounds.left, cropBounds.top);
modBitmap = modBitmapCrop;
}
return modBitmap;
}
}
|
