Ad-hoc.txt

import java.util.ArrayList;

public class Rechteck{

	private int x_pos, y_pos;	//Start position (upper left corner)
	private int len, hei;		//size
	private char sign;		//character for printing

	public Rechteck(int x_pos, int y_pos, int len, int hei, char sign){
		this.x_pos = x_pos;
		this.y_pos = y_pos;
		this.len = len;
		this.hei = hei;
		this.sign = sign;
	}

	public int getX_pos(){
		return x_pos;
	}

        public int getY_pos(){
                return y_pos;
        }

        public int getLen(){
                return len;
        }

        public int getHei(){
                return hei;
        }

        public char getSign(){
                return sign;
        }
}
public class Muster{

	private ArrayList<Rechteck> liste = new ArrayList<Rechteck>();	//stores the shapes

	public Muster(){	//empty canvas, nothing to be done
	}	

	/**
	fills the canvas with a checkerboard-pattern
	*/
	public Muster(int size){
		for(int i = 0; i < 8; i++)
			for(int j = 0; j < 8; j++)
				if((j+i) % 2 == 0)	//adds a shape to every second iteration
					add(new Rechteck(i*size, j*size, size, size, 'X'));
	}

	//No getters and setters, just a method to add a shape
	public void add(Rechteck r){
		liste.add(r);
	}

	//prints the shape to stdout
	public void printMuster(){
		int maxX = 0;	//size of the canvas
		int maxY = 0;
		//calculate the size by using the maximum of the lower-rigth edges of the shapes
		for(Rechteck r : liste){
			if(r.getLen() + r.getX_pos() > maxX)
				maxX = r.getLen() + r.getX_pos();
			if(r.getHei() + r.getY_pos() > maxY)
                                maxY = r.getHei() + r.getY_pos();
		}
		//create canvas and fill it with blanks
		char[][] canvas = new char[maxX][maxY];
		for(char[] c : canvas)
			for(int i = 0; i < c.length; i++)
				c[i] = ' ';
		//now draw the shapes onto the canvas
		for(Rechteck r : liste){
			for(int i = r.getX_pos(); i < r.getX_pos() + r.getLen(); i++)
				for(int j = r.getY_pos(); j < r.getY_pos() + r.getHei(); j++)
					canvas[i][j] = r.getSign();
		}
		//print the canvas to stdout
		for(int i = 0; i < maxY; i++){
			for(int j = 0; j < maxX; j++)
				System.out.print(canvas[j][i]);
			System.out.println();
		}
	}

	public static void main(String [] args){
		System.out.println("Schachbrett mit Feldgroesse 3");
		Muster schach = new Muster(3);
		schach.printMuster();
		System.out.println("Arbeitsflaeche mit 5 Rechtecken");
		Rechteck r1 = new Rechteck(2, 2, 3, 4, '.');
		Rechteck r2 = new Rechteck(7, 26, 2, 1, ';');
		Rechteck r3 = new Rechteck(2, 2, 3, 1, '=');	//overlaps r1
		Rechteck r4 = new Rechteck(0, 5, 1, 1, '@');
		Rechteck r5 = new Rechteck(12, 12, 3, 3, '#');
		Muster m = new Muster();
		m.add(r1);
		m.add(r2);
		m.add(r3);
		m.add(r4);
		m.add(r5);
		m.printMuster();
		System.out.println("Obiges Schachbrett mit den 5 Rechtecken");
		schach.add(r1);
		schach.add(r2);
		schach.add(r3);
		schach.add(r4);
		schach.add(r5);
		schach.printMuster();
	}
}