public class Rectangle extends ShapeBasics implements RectangleInterface
1:
2: /**
3: Class for drawing rectangles on the screen using keyboard
4: characters. Each character is higher than it is wide, so
5: these rectangles will look taller than you might expect.
6: Inherits getOffset, setOffset, and drawAt from the class
7: ShapeBasics.
8: */
9: public class Rectangle extends ShapeBasics implements RectangleInterface
10: {
11: private int height;
12: private int width;
13:
14: public Rectangle( )
15: {
16: super( );
17: height = 0;
18: width = 0;
19: }
20:
21: public Rectangle(int theOffset, int theHeight, int theWidth)
22: {
23: super(theOffset);
24: height = theHeight;
25: width = theWidth;
26: }
27:
28: public void set(int newHeight, int newWidth)
29: {
30: height = newHeight;
31: width = newWidth;
32: }
33:
34: /**
35: Draws the shape at the current line.
36: */
37: public void drawHere( )
38: {
39: drawHorizontalLine( );
40: drawSides( );
41: drawHorizontalLine( );
42: }
43:
44: private void drawHorizontalLine( )
45: {
46: skipSpaces(getOffset( ));
47: for (int count = 0; count < width; count++)
48: System.out.print('-');
49: System.out.println( );
50: }
51:
52: private void drawSides( )
53: {
54: for (int count = 0; count < (height - 2); count++)
55: drawOneLineOfSides( );
56: }
57:
58: private void drawOneLineOfSides( )
59: {
60: skipSpaces(getOffset( ));
61: System.out.print('|');
62: skipSpaces(width - 2);
63: System.out.println('|');
64: }
65:
66: //Writes the indicated number of spaces.
67: private static void skipSpaces(int number)
68: {
69: for (int count = 0; count < number; count++)
70: System.out.print(' ');
71: }
72: }
73:
74:
75:
76: