DistortOp.java
12.6 KB
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
155
156
157
158
159
160
161
162
163
164
165
166
167
/*
* Decompiled with CFR 0_118.
*/
package com.day.image;
import com.day.image.AbstractBufferedImageOp;
import java.awt.Color;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.awt.image.WritableRaster;
public class DistortOp
extends AbstractBufferedImageOp {
private final double x00;
private final double x01;
private final double x10;
private final double x11;
private final double y00;
private final double y01;
private final double y10;
private final double y11;
private final boolean crop;
private final Color bgColor;
public DistortOp(float[][] coords) {
this(coords, false, Color.black);
}
public DistortOp(float[][] coords, boolean crop, Color bgColor) {
super(null);
if (coords == null) {
throw new NullPointerException("coords");
}
if (coords.length < 3) {
throw new IllegalArgumentException("need 4 coordinate pairs");
}
for (int i = 0; i < 4; ++i) {
if (coords[i] == null) {
throw new NullPointerException("coords[" + i + "]");
}
if (coords[i].length >= 2) continue;
throw new IllegalArgumentException("missing value on coords[" + i + "]");
}
this.x00 = coords[0][0];
this.y00 = coords[0][1];
this.x10 = coords[1][0];
this.y10 = coords[1][1];
this.x01 = coords[2][0];
this.y01 = coords[2][1];
this.x11 = coords[3][0];
this.y11 = coords[3][1];
this.crop = crop;
this.bgColor = bgColor;
}
public Rectangle2D getBounds2D(BufferedImage src) {
if (this.crop) {
double x0 = this.x00 < this.x01 ? this.x00 : this.x01;
double y0 = this.y00 < this.y10 ? this.y00 : this.y10;
double x1 = this.x10 > this.x11 ? this.x10 : this.x11;
double y1 = this.y01 > this.y11 ? this.y01 : this.y11;
return new Rectangle((int)Math.ceil((x1 - x0) * (double)src.getWidth()), (int)Math.ceil((y1 - y0) * (double)src.getHeight()));
}
return super.getBounds2D(src);
}
public Point2D getPoint2D(Point2D srcPt, Point2D dstPt) {
return super.getPoint2D(srcPt, dstPt);
}
protected void doFilter(BufferedImage src, BufferedImage dst) {
int sw = src.getWidth();
int sh = src.getHeight();
int dw = dst.getWidth();
int dh = dst.getHeight();
double x00 = this.x00;
double y00 = this.y00;
double x01 = this.x01;
double y01 = this.y01;
double x10 = this.x10;
double y10 = this.y10;
double x11 = this.x11;
double y11 = this.y11;
if (this.crop) {
double x0 = x00 < x01 ? x00 : x01;
double y0 = y00 < y10 ? y00 : y10;
x00 -= x0;
x01 -= x0;
x10 -= x0;
x11 -= x0;
y00 -= y0;
y01 -= y0;
y10 -= y0;
y11 -= y0;
}
double b00 = (- y00 + y01) * (x10 * y00 - x11 * y00 - x00 * y10 + x11 * y10 + x00 * y11 - x10 * y11) * (x10 * y01 - x11 * y01 - x01 * y10 + x11 * y10 + x01 * y11 - x10 * y11);
double b10 = (y00 - y10) * (x01 * y00 - x11 * y00 - x00 * y01 + x11 * y01 + x00 * y11 - x01 * y11) * (- x10 * y01 + x11 * y01 + x01 * y10 - x11 * y10 - x01 * y11 + x10 * y11);
double b20 = - x10 * x10 * y00 * y00 * y01 + 2.0 * x10 * x11 * y00 * y00 * y01 - x11 * x11 * y00 * y00 * y01 + x10 * x10 * y00 * y01 * y01 - 2.0 * x10 * x11 * y00 * y01 * y01 + x11 * x11 * y00 * y01 * y01 + x01 * x01 * y00 * y00 * y10 - 2.0 * x01 * x11 * y00 * y00 * y10 + x11 * x11 * y00 * y00 * y10 - 2.0 * x00 * x01 * y00 * y01 * y10 + 2.0 * x00 * x10 * y00 * y01 * y10 + 2.0 * x01 * x11 * y00 * y01 * y10 - 2.0 * x10 * x11 * y00 * y01 * y10 + x00 * x00 * y01 * y01 * y10 - 2.0 * x00 * x10 * y01 * y01 * y10 + 2.0 * x10 * x11 * y01 * y01 * y10 - x11 * x11 * y01 * y01 * y10 - x01 * x01 * y00 * y10 * y10 + 2.0 * x01 * x11 * y00 * y10 * y10 - x11 * x11 * y00 * y10 * y10 - x00 * x00 * y01 * y10 * y10 + 2.0 * x00 * x01 * y01 * y10 * y10 - 2.0 * x01 * x11 * y01 * y10 * y10 + x11 * x11 * y01 * y10 * y10 - x01 * x01 * y00 * y00 * y11 + x10 * x10 * y00 * y00 * y11 + 2.0 * x01 * x11 * y00 * y00 * y11 - 2.0 * x10 * x11 * y00 * y00 * y11 + 2.0 * x00 * x01 * y00 * y01 * y11 - 2.0 * x00 * x10 * y00 * y01 * y11 - 2.0 * x01 * x11 * y00 * y01 * y11 + 2.0 * x10 * x11 * y00 * y01 * y11 - x00 * x00 * y01 * y01 * y11 + 2.0 * x00 * x10 * y01 * y01 * y11 - x10 * x10 * y01 * y01 * y11 + 2.0 * x00 * x01 * y00 * y10 * y11 - 2.0 * x00 * x10 * y00 * y10 * y11 - 2.0 * x01 * x11 * y00 * y10 * y11 + 2.0 * x10 * x11 * y00 * y10 * y11 - 2.0 * x00 * x01 * y01 * y10 * y11 + 2.0 * x00 * x10 * y01 * y10 * y11 + 2.0 * x01 * x11 * y01 * y10 * y11 - 2.0 * x10 * x11 * y01 * y10 * y11 + x00 * x00 * y10 * y10 * y11 - 2.0 * x00 * x01 * y10 * y10 * y11 + x01 * x01 * y10 * y10 * y11 - 2.0 * x00 * x01 * y00 * y11 * y11 + x01 * x01 * y00 * y11 * y11 + 2.0 * x00 * x10 * y00 * y11 * y11 - x10 * x10 * y00 * y11 * y11 + x00 * x00 * y01 * y11 * y11 - 2.0 * x00 * x10 * y01 * y11 * y11 + x10 * x10 * y01 * y11 * y11 - x00 * x00 * y10 * y11 * y11 + 2.0 * x00 * x01 * y10 * y11 * y11 - x01 * x01 * y10 * y11 * y11;
double b01 = (- x00 + x01) * (x10 * y01 - x11 * y01 - x01 * y10 + x11 * y10 + x01 * y11 - x10 * y11) * (- x10 * y00 + x11 * y00 + x00 * y10 - x11 * y10 - x00 * y11 + x10 * y11);
double b11 = (- x00 + x10) * (- x01 * y00 + x11 * y00 + x00 * y01 - x11 * y01 - x00 * y11 + x01 * y11) * (x10 * y01 - x11 * y01 - x01 * y10 + x11 * y10 + x01 * y11 - x10 * y11);
double b21 = - x01 * x01 * x10 * y00 * y00 + x01 * x10 * x10 * y00 * y00 + x01 * x01 * x11 * y00 * y00 - x10 * x10 * x11 * y00 * y00 - x01 * x11 * x11 * y00 * y00 + x10 * x11 * x11 * y00 * y00 + 2.0 * x00 * x01 * x10 * y00 * y01 - 2.0 * x01 * x10 * x10 * y00 * y01 - 2.0 * x00 * x01 * x11 * y00 * y01 - 2.0 * x00 * x10 * x11 * y00 * y01 + 2.0 * x01 * x10 * x11 * y00 * y01 + 2.0 * x10 * x10 * x11 * y00 * y01 + 2.0 * x00 * x11 * x11 * y00 * y01 - 2.0 * x10 * x11 * x11 * y00 * y01 - x00 * x00 * x10 * y01 * y01 + x00 * x10 * x10 * y01 * y01 + x00 * x00 * x11 * y01 * y01 - x10 * x10 * x11 * y01 * y01 - x00 * x11 * x11 * y01 * y01 + x10 * x11 * x11 * y01 * y01 - 2.0 * x00 * x01 * x10 * y00 * y10 + 2.0 * x01 * x01 * x10 * y00 * y10 + 2.0 * x00 * x01 * x11 * y00 * y10 - 2.0 * x01 * x01 * x11 * y00 * y10 + 2.0 * x00 * x10 * x11 * y00 * y10 - 2.0 * x01 * x10 * x11 * y00 * y10 - 2.0 * x00 * x11 * x11 * y00 * y10 + 2.0 * x01 * x11 * x11 * y00 * y10 + x00 * x00 * x01 * y10 * y10 - x00 * x01 * x01 * y10 * y10 - x00 * x00 * x11 * y10 * y10 + x01 * x01 * x11 * y10 * y10 + x00 * x11 * x11 * y10 * y10 - x01 * x11 * x11 * y10 * y10 + 2.0 * x00 * x00 * x10 * y01 * y11 - 2.0 * x00 * x01 * x10 * y01 * y11 - 2.0 * x00 * x10 * x10 * y01 * y11 + 2.0 * x01 * x10 * x10 * y01 * y11 - 2.0 * x00 * x00 * x11 * y01 * y11 + 2.0 * x00 * x01 * x11 * y01 * y11 + 2.0 * x00 * x10 * x11 * y01 * y11 - 2.0 * x01 * x10 * x11 * y01 * y11 - 2.0 * x00 * x00 * x01 * y10 * y11 + 2.0 * x00 * x01 * x01 * y10 * y11 + 2.0 * x00 * x01 * x10 * y10 * y11 - 2.0 * x01 * x01 * x10 * y10 * y11 + 2.0 * x00 * x00 * x11 * y10 * y11 - 2.0 * x00 * x01 * x11 * y10 * y11 - 2.0 * x00 * x10 * x11 * y10 * y11 + 2.0 * x01 * x10 * x11 * y10 * y11 + x00 * x00 * x01 * y11 * y11 - x00 * x01 * x01 * y11 * y11 - x00 * x00 * x10 * y11 * y11 + x01 * x01 * x10 * y11 * y11 + x00 * x10 * x10 * y11 * y11 - x01 * x10 * x10 * y11 * y11;
double b02 = (- x01 * y00 + x00 * y01) * (x10 * y01 - x11 * y01 - x01 * y10 + x11 * y10 + x01 * y11 - x10 * y11) * (- x10 * y00 + x11 * y00 + x00 * y10 - x11 * y10 - x00 * y11 + x10 * y11);
double b12 = (- x10 * y00 + x00 * y10) * (x01 * y00 - x11 * y00 - x00 * y01 + x11 * y01 + x00 * y11 - x01 * y11) * (- x10 * y01 + x11 * y01 + x01 * y10 - x11 * y10 - x01 * y11 + x10 * y11);
double b22 = x01 * x10 * x10 * y00 * y00 * y01 - 2.0 * x01 * x10 * x11 * y00 * y00 * y01 + x01 * x11 * x11 * y00 * y00 * y01 - x00 * x10 * x10 * y00 * y01 * y01 + 2.0 * x00 * x10 * x11 * y00 * y01 * y01 - x00 * x11 * x11 * y00 * y01 * y01 - x01 * x01 * x10 * y00 * y00 * y10 + 2.0 * x01 * x10 * x11 * y00 * y00 * y10 - x10 * x11 * x11 * y00 * y00 * y10 + 2.0 * x00 * x01 * x11 * y00 * y01 * y10 - 2.0 * x00 * x10 * x11 * y00 * y01 * y10 - 2.0 * x01 * x11 * x11 * y00 * y01 * y10 + 2.0 * x10 * x11 * x11 * y00 * y01 * y10 + x00 * x00 * x10 * y01 * y01 * y10 - 2.0 * x00 * x00 * x11 * y01 * y01 * y10 + 2.0 * x00 * x11 * x11 * y01 * y01 * y10 - x10 * x11 * x11 * y01 * y01 * y10 + x00 * x01 * x01 * y00 * y10 * y10 - 2.0 * x00 * x01 * x11 * y00 * y10 * y10 + x00 * x11 * x11 * y00 * y10 * y10 - x00 * x00 * x01 * y01 * y10 * y10 + 2.0 * x00 * x00 * x11 * y01 * y10 * y10 - 2.0 * x00 * x11 * x11 * y01 * y10 * y10 + x01 * x11 * x11 * y01 * y10 * y10 + 2.0 * x01 * x01 * x10 * y00 * y00 * y11 - 2.0 * x01 * x10 * x10 * y00 * y00 * y11 - x01 * x01 * x11 * y00 * y00 * y11 + x10 * x10 * x11 * y00 * y00 * y11 - 2.0 * x00 * x01 * x10 * y00 * y01 * y11 + 2.0 * x00 * x10 * x10 * y00 * y01 * y11 + 2.0 * x01 * x10 * x11 * y00 * y01 * y11 - 2.0 * x10 * x10 * x11 * y00 * y01 * y11 + x00 * x00 * x11 * y01 * y01 * y11 - 2.0 * x00 * x10 * x11 * y01 * y01 * y11 + x10 * x10 * x11 * y01 * y01 * y11 - 2.0 * x00 * x01 * x01 * y00 * y10 * y11 + 2.0 * x00 * x01 * x10 * y00 * y10 * y11 + 2.0 * x01 * x01 * x11 * y00 * y10 * y11 - 2.0 * x01 * x10 * x11 * y00 * y10 * y11 + 2.0 * x00 * x00 * x01 * y01 * y10 * y11 - 2.0 * x00 * x00 * x10 * y01 * y10 * y11 - 2.0 * x00 * x01 * x11 * y01 * y10 * y11 + 2.0 * x00 * x10 * x11 * y01 * y10 * y11 - x00 * x00 * x11 * y10 * y10 * y11 + 2.0 * x00 * x01 * x11 * y10 * y10 * y11 - x01 * x01 * x11 * y10 * y10 * y11 + x00 * x01 * x01 * y00 * y11 * y11 - 2.0 * x01 * x01 * x10 * y00 * y11 * y11 - x00 * x10 * x10 * y00 * y11 * y11 + 2.0 * x01 * x10 * x10 * y00 * y11 * y11 - x00 * x00 * x01 * y01 * y11 * y11 + 2.0 * x00 * x01 * x10 * y01 * y11 * y11 - x01 * x10 * x10 * y01 * y11 * y11 + x00 * x00 * x10 * y10 * y11 * y11 - 2.0 * x00 * x01 * x10 * y10 * y11 * y11 + x01 * x01 * x10 * y10 * y11 * y11;
b01 *= (double)sw / (double)sh;
b02 *= (double)sw;
b10 *= (double)sh / (double)sw;
b12 *= (double)sh;
b20 /= (double)sw;
b21 /= (double)sh;
int[] s0 = src.getRaster().getSamples(0, 0, sw, sh, 0, (int[])null);
int[] s1 = src.getRaster().getSamples(0, 0, sw, sh, 1, (int[])null);
int[] s2 = src.getRaster().getSamples(0, 0, sw, sh, 2, (int[])null);
int[] s3 = src.getRaster().getSamples(0, 0, sw, sh, 3, (int[])null);
int doff = 0;
int[] d0 = new int[s0.length];
int[] d1 = new int[s1.length];
int[] d2 = new int[s2.length];
int[] d3 = new int[s3.length];
for (int dy = 0; dy < dh; ++dy) {
for (int dx = 0; dx < dw; ++dx) {
double t0 = 0.0;
double t1 = 0.0;
double t2 = 0.0;
double t3 = 0.0;
double vv = dy;
for (int sy2 = 4; sy2 > 0; --sy2) {
double uu = dx;
for (int sx2 = 4; sx2 > 0; --sx2) {
double v0 = b00 * uu + b01 * vv + b02;
double v1 = b10 * uu + b11 * vv + b12;
double v2 = b20 * uu + b21 * vv + b22;
int sx1 = (int)Math.floor(v0 / v2);
int sy1 = (int)Math.floor(v1 / v2);
if (sx1 >= 0 && sx1 < sw && sy1 >= 0 && sy1 < sh) {
int soff = sx1 + sy1 * sw;
t0 += (double)s0[soff];
t1 += (double)s1[soff];
t2 += (double)s2[soff];
t3 += (double)s3[soff];
} else {
t0 += (double)this.bgColor.getRed();
t1 += (double)this.bgColor.getGreen();
t2 += (double)this.bgColor.getBlue();
t3 += (double)this.bgColor.getAlpha();
}
uu += 0.25;
}
vv += 0.25;
}
d0[doff] = (int)(t0 / 16.0);
d1[doff] = (int)(t1 / 16.0);
d2[doff] = (int)(t2 / 16.0);
d3[doff] = (int)(t3 / 16.0);
++doff;
}
}
dst.getRaster().setSamples(0, 0, dw, dh, 0, d0);
dst.getRaster().setSamples(0, 0, dw, dh, 1, d1);
dst.getRaster().setSamples(0, 0, dw, dh, 2, d2);
dst.getRaster().setSamples(0, 0, dw, dh, 3, d3);
}
}