1 
  2 /*
  3 *Program to paint a rectangle, centered in the canvas,made up of randomly
  4 *colored, black framed squares.
  5 */
  6 package npw;
  7 import java.awt.Color;
  8 //import java.util.Random;
  9 import java.util.Scanner;
 10 import javax.swing.JOptionPane;
 11 import javax.swing.SwingUtilities;
 12 import painter.SPainter;
 13 import shapes.SCircle;
 14 
 15 /**
 16  *
 17  * @authorblue
 18  */
 19 
 20 
 21 public class Number4 {
 22 // REQUIRED INFRASTRUCTURE
 23 
 24     /**
 25      * @paramargsthecommandlinearguments
 26      */
 27     public static void main(String[] args) {
 28         SwingUtilities.invokeLater(new Runnable() {
 29             public void run() {
 30                 new Number4();
 31             }
 32         });
 33     }
 34 
 35   
 36 
 37     public Number4() {
 38         paintTheImage();
 39     }
 40 // THE SOLUTION TO THE GRAPICAL PROBLEM
 41 
 42     private void paintTheImage() {
 43 // GRAB THE INPUT INFORMATION
 44         int nrOfRows = getNumber("rows");
 45         int nrOfColumns = getNumber("columns");
 46         int sizeOfCircle = getNumber("Circle diameter");
 47         Color colorName = getColor();
 48 // ESTABLISH THE PAINTER
 49         int height = nrOfRows * sizeOfCircle;
 50         int width = nrOfColumns * sizeOfCircle;
 51         SPainter miro = new SPainter("Number 4", width + 50, height + 50);
 52         miro.setBrushWidth(4);
 53         SCircle circle = new SCircle(sizeOfCircle/2);
 54 // PAINT THE RECTANGLES
 55         paintRectangle(miro, circle, nrOfRows, nrOfColumns, colorName);
 56     }
 57 
 58     private static int getNumber(String prompt) {
 59         String rich = JOptionPane.showInputDialog(null, prompt + "?");
 60         Scanner scanner = new Scanner(rich);
 61         return scanner.nextInt();
 62     }
 63 
 64     private static void paintRectangle(SPainter miro, SCircle circle,
 65             int nrOfRows, int nrOfColumns, Color color) {
 66 // POSITION THE PAINTER TO PAINT THE RECTANGLE OF SQUARES
 67         miro.mlt(((nrOfColumns - 1) / 2.0) * circle.diameter());
 68         miro.mbk(((nrOfRows - 1) / 2.0) * circle.diameter());
 69 // PAINT THE RECTANGLE OF SQUARES
 70         int i = 1;
 71         while (i <= nrOfRows) {
 72             paintOneRow(miro, nrOfColumns, circle, color);
 73             miro.mfd(circle.diameter());
 74             i = i + 1;
 75         }
 76 // MAKE THE METHOD INVARIANT WITH RESPECT TO PAINTER POSITION
 77         miro.mrt(((nrOfColumns - 1) / 2.0) * circle.diameter());
 78         miro.mfd(((nrOfRows - 1) / 2.0) * circle.diameter());
 79     }
 80 
 81     private static void paintOneRow(SPainter miro, int nrOfColumns, SCircle circle, Color color) {
 82         int i = 1;
 83         while (i <= nrOfColumns) {
 84             paintOneCircle(miro, circle, color);
 85             miro.mrt(circle.diameter());
 86             i = i + 1;
 87         }
 88         miro.mlt(nrOfColumns * circle.diameter());
 89     }
 90 
 91     private static void paintOneCircle(SPainter miro, SCircle circle, Color color) {
 92         miro.setColor(color);
 93         circle.s2();
 94         miro.paint(circle);
 95         circle.x2();
 96     }
 97     
 98     private static Color getColor() {
 99         String rich =  JOptionPane.showInputDialog(null, "colors?");
100         Color color = Color.RED;
101         if (rich.equalsIgnoreCase("blue") ) {
102             color =  Color.BLUE;
103         }else if (rich.equalsIgnoreCase("red") ) {
104             color = Color.RED;
105         }else if (rich.equalsIgnoreCase("green") ) {
106             color = Color.GREEN;
107         } else {
108             color = Color.BLACK;
109         }
110         
111         return color;
112                 
113         
114     }
115 
116     
117 }
118