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1
23
24 package de.progra.charting.render.shape;
25
26 import java.awt.geom.RectangularShape  ;
27 import java.awt.geom.Rectangle2D ;
28 import java.awt.geom.PathIterator ;
29 import java.awt.geom.AffineTransform ;
30
31
35 public class Triangle2D extends RectangularShape {
36
37 protected double x = 0.0;
38
39 protected double y = 0.0;
40
41 protected double width = 0.0;
42
43 protected double height = 0.0;
44
45 protected boolean upsidedown = false;
46
47
48 public Triangle2D(double x, double y, double width, double height, boolean upsidedown) {
49 setFrame(x, y, width, height);
50 this.upsidedown = upsidedown;
51 }
52
53 public boolean contains(double param, double param1) {
54 return false;
55 }
56
57 public boolean contains(double param, double param1, double param2, double param3) {
58 return false;
59 }
60
61 public boolean intersects(double x, double y, double w, double h) {
62 return false;
63 }
64
65 public Rectangle2D getBounds2D() {
66 return new Rectangle2D.Double (x, y, width, height);
67 }
68
69 public double getHeight() {
70 return height;
71 }
72
73 public PathIterator getPathIterator(AffineTransform affineTransform) {
74 return new PathIterator () {
75 int state = 0;
76 int maxstate = 3;
77
78 double[][] dcurrentSegment = {{x + width/2, y},
79 {x, y + height},
80 {x + width, y + height},
81 {0.0, 0.0} };
82
83
84 double[][] ddowncurrentSegment = {{x, y},
85 {x + width/2, y + height},
86 {x + width, y},
87 {0.0, 0.0} };
88
89 int[] segment = { PathIterator.SEG_MOVETO, PathIterator.SEG_LINETO, PathIterator.SEG_LINETO, PathIterator.SEG_CLOSE};
90
91 public int currentSegment(double[] coords) {
92 if(!upsidedown) {
93 coords[0] = dcurrentSegment[state][0];
94 coords[1] = dcurrentSegment[state][1];
95 } else {
96 coords[0] = ddowncurrentSegment[state][0];
97 coords[1] = ddowncurrentSegment[state][1];
98 }
99 return segment[state];
100 }
101
102 public int currentSegment(float[] coords){
103 if(!upsidedown) {
104 coords[0] = (float)dcurrentSegment[state][0];
105 coords[1] = (float)dcurrentSegment[state][1];
106 } else {
107 coords[0] = (float)ddowncurrentSegment[state][0];
108 coords[1] = (float)ddowncurrentSegment[state][1];
109 }
110 return segment[state];
111 }
112
113 public int getWindingRule() { return PathIterator.WIND_NON_ZERO; }
114 public boolean isDone() { return (state == maxstate); }
115 public void next() { state++ ; }
116 };
117 }
118
119 public double getWidth() {
120 return width;
121 }
122
123 public double getX() {
124 return x;
125 }
126
127 public double getY() {
128 return y;
129 }
130
131 public boolean isEmpty() {
132 return (width<= 0.0 || height <= 0.0);
133 }
134
135 public void setFrame(double x, double y, double width, double height) {
136 this.x = x;
137 this.y = y;
138 this.width = width;
139 this.height = height;
140 }
141 }
142 |
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