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1
8 package com.nightlabs.editor2d.j2d;
9
10 import java.awt.geom.PathIterator  ;
11 import java.awt.geom.Point2D ;
12
13
14 public class PathSegment
15 {
16 public static final int NO_POINT = 0;
17 public static final int POINT = 1;
18 public static final int CONTROL_POINT_1 = 2;
19 public static final int CONTROL_POINT_2 = 3;
20
21
29 public PathSegment(int type, int index, float[] coords, GeneralShape parent)
30 {
31 if (coords.length != 6)
32 throw new IllegalArgumentException ("Param coords must have length 6!");
33
34 setType(type);
35 setIndex(index);
36 setCoords(coords);
37 this.parent = parent;
38 }
39
40 protected int type;
41 public int getType() {
42 return type;
43 }
44 protected void setType(int type) {
45 this.type = type;
46 }
47
48 protected int index;
49 public int getIndex() {
50 return index;
51 }
52 protected void setIndex(int index) {
53 this.index = index;
54 }
55
56 public float[] coords = new float[6];
57 public float[] getCoords() {
58 return coords;
59 }
60 protected void setCoords(float[] coords) {
61 System.arraycopy(coords, 0, this.coords, 0, coords.length);
63 }
64
65 public GeneralShape parent;
66 public GeneralShape getParent() {
67 return parent;
68 }
69 protected void setParent(GeneralShape parent) {
70 this.parent = parent;
71 }
72
73 public boolean isLineSegement() {
74 return type == PathIterator.SEG_LINETO ? true : false;
75 }
76
77 public boolean isQuadSegment() {
78 return type == PathIterator.SEG_QUADTO ? true : false;
79 }
80
81 public boolean isCubicSegment() {
82 return type == PathIterator.SEG_CUBICTO ? true : false;
83 }
84
85 public boolean isStartSegment() {
86 return type == PathIterator.SEG_MOVETO ? true : false;
87 }
88
89 public Point2D getPoint() {
90 return new Point2D.Float (coords[0], coords[1]);
91 }
92
93 public Point2D getFirstControlPoint()
94 {
95 if (isQuadSegment() || isCubicSegment())
96 return new Point2D.Float (coords[2], coords[3]);
97 else
98 return new Point2D.Float ();
99 }
100
101 public Point2D getSecondControlPoint()
102 {
103 if (isCubicSegment())
104 return new Point2D.Float (coords[4], coords[5]);
105 else
106 return new Point2D.Float ();
107 }
108
109 public void setPoint(float x, float y)
110 {
111 float[] pointCoords = parent.getPointCoords();
112 pointCoords[index] = x;
113 pointCoords[index+1] = y;
114 }
117
118 public void setFirstControlPoint(float x, float y)
119 {
120 float[] pointCoords = parent.getPointCoords();
121 pointCoords[index+2] = x;
122 pointCoords[index+3] = y;
123 }
126
127 public void setSecondControlPoint(float x, float y)
128 {
129 float[] pointCoords = parent.getPointCoords();
130 pointCoords[index+4] = x;
131 pointCoords[index+5] = y;
132 }
135
136 public int contains(int x, int y)
137 {
138 if (isLineSegement())
139 {
140 if (coords[0] == x && coords[1] == y)
141 return POINT;
142
143 return NO_POINT;
144 }
145 else if (isQuadSegment())
146 {
147 if (coords[0] == x && coords[1] == y)
148 return POINT;
149 else if (coords[2] == x && coords[3] == y)
150 return CONTROL_POINT_1;
151
152 return NO_POINT;
153 }
154 else if (isCubicSegment())
155 {
156 if (coords[0] == x && coords[1] == y)
157 return POINT;
158 else if (coords[2] == x && coords[3] == y)
159 return CONTROL_POINT_1;
160 else if (coords[4] == x && coords[5] == y)
161 return CONTROL_POINT_2;
162
163 return NO_POINT;
164 }
165 return NO_POINT;
166 }
167 }
168 |
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