rename package to "freeshisen"

[FreeShisen] / src / de / cwde / freeshisen / Line.java

diff --git a/src/de/cwde/freeshisen/Line.java b/src/de/cwde/freeshisen/Line.java
new file mode 100644 (file)
index 0000000..fcb5ea7
--- /dev/null
+++ b/src/de/cwde/freeshisen/Line.java
@@ -0,0 +1,54 @@
+package de.cwde.freeshisen;
+
+public class Line {
+       public Line(Point a, Point b) {
+               this.a=a;
+               this.b=b;
+       }
+
+       public boolean equals(Line l) {
+               return (a.equals(l.a) && b.equals(l.b));
+       }
+
+       public boolean isHorizontal() {
+               return (a.i==b.i);
+       }
+
+       public boolean isVertical() {
+               return (a.j==b.j);
+       }
+
+       public boolean contains(Point p) {
+               return (p.i==a.i && p.i==b.i && p.j>=getMin().j && p.j<=getMax().j)
+                               || (p.j==a.j && p.j==b.j && p.i>=getMin().i && p.i<=getMax().i);
+       }
+
+       public Point cuts(Line l) {
+               if (isHorizontal() && l.isVertical()
+                               && getMin().j<=l.a.j && getMax().j>=l.a.j
+                               && l.getMin().i<=a.i && l.getMax().i>=a.i ) {
+                       return new Point(a.i,l.a.j);
+               } else if (isVertical() && l.isHorizontal()
+                               && getMin().i<=l.a.i && getMax().i>=l.a.i
+                               && l.getMin().j<=a.j && l.getMax().j>=a.j ) {
+                       return new Point(l.a.i,a.j);
+               } else return null;
+       }
+
+       public Point getMin() {
+               if (a.i<b.i || a.j<b.j) return a;
+               else return b;
+       }
+
+       public Point getMax() {
+               if (a.i>b.i || a.j>b.j) return a;
+               else return b;
+       }
+
+       public String toString() {
+               return a+"-"+b;
+       }
+
+       public Point a;
+       public Point b;
+}