Esame TLP

package esame;

public class GrayImage {
	private int i=0;
	private int j=0;
	private int [][] image;
	
	public GrayImage (int i, int j) {
		this.i=i;
		this.j=j;
		image=new int [j];
	}
	
	public void printValues () {
		for (int k=0; k<i; k++) {
			for (int h=0; h<j; h++)
				System.out.print (image [k][h] + " ");
		System.out.println (" ");
		}
	}
	
	public void changeValue (int i, int j, int v) {
		image [j]=v;
	}
	
	public void checkValues () throws ValueOutOfBoundException {
		for (int k=0; k<i; k++) {
			for (int h=0; h<j; h++)
				if ((image [k][h]<0)||(image [k][h]>255))
					throw new ValueOutOfBoundException (image[k][h], k, h);
					
		}
		System.out.println ("Tutti i valori sono ok");
	}
	
	public void translate (int Z) throws ParameterOutOfBoundException {
		int Y=0;
		if (Z>=-100&&Z<=100) {
			for (int k=0; k<i; k++) {
				for (int h=0; h<j; h++) { 
					Y=image [k][h];
					Y=Y+Z;
					image [k][h]=Y;
					if (Y+Z>255){
						Y=255;
						image [k][h]=Y;
					}
					else if (Y+Z<0){
						Y=0;
						image [k][h]=Y;
					}
						
				}
					
			}
		}
		else 
			throw new ParameterOutOfBoundException ();
	}
	
	public void expand (float K) throws ParameterOutOfBoundException {
		int Y=0;
		if (K>=0.5&&K<=1.5) {
			for (int k=0; k<i; k++) {
				for (int h=0; h<j; h++) { 
				Y=image[k][h];
				Y=(int)((float)Y*K); 
				image[k][h]=Y; 
				}
			}	
		}
		else 
			throw new ParameterOutOfBoundException ();
	}
	
	
}