X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/FreeShisen/blobdiff_plain/b023eec723db5ee6d0a6a6aca7795c391d98377e..d0e04237b00df7c11616f359200255a8b47e79d7:/src/de/cwde/shisensho/Line.java

diff --git a/src/de/cwde/shisensho/Line.java b/src/de/cwde/shisensho/Line.java
new file mode 100644
index 0000000..0e1a915
--- /dev/null
+++ b/src/de/cwde/shisensho/Line.java
@@ -0,0 +1,54 @@
+package de.cwde.shisensho;
+
+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;
+}