?? shape.java
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/*
* Created on 2005-5-18
* Author: Liao Xuefeng, asklxf@163.com
* Copyright (C) 2005, Liao Xuefeng.
*/
import javax.microedition.lcdui.*;
/**
* Shape represent a shape. There are totally 19 shapes.
* Using <code>Shape[] shapes = Shape.SHAPES;</code> to
* get all shapes but do not try to create a shape.
*
* @author Xuefeng
*/
public final class Shape {
private static final int[] NEXT = { 0, 2, 1, 4, 5,
6, 3, 8, 9, 10,
7, 12, 13, 14, 11,
16, 15, 18, 17
};
private static final int[] INIT_TOP = {-1, -1, 0, 0, -1,
0, 0, 0, 0, 0,
-1, 0, 0, -1, 0,
-1, 0, -1, 0
};
public static final Shape[] SHAPES = {
// Shape of 0, next=0
// OO
// OO
new Shape(0, new int[]{0,0,0,0,
0,1,1,0,
0,1,1,0,
0,0,0,0}),
// Shape of 1, next=2
// OOOO
new Shape(1, new int[]{0,0,0,0,
1,1,1,1,
0,0,0,0,
0,0,0,0}),
// shape of 2, next=1
// O
// O
// O
// O
new Shape(2, new int[]{0,1,0,0,
0,1,0,0,
0,1,0,0,
0,1,0,0}),
// shape of 3, next=4
// O
// O
// OO
new Shape(3, new int[]{0,1,0,0,
0,1,0,0,
0,1,1,0,
0,0,0,0}),
// shape of 4, next=5
// OOO
// O
new Shape(4, new int[]{0,0,0,0,
1,1,1,0,
1,0,0,0,
0,0,0,0}),
// shape of 5, next=6
// OO
// O
// O
new Shape(5, new int[]{1,1,0,0,
0,1,0,0,
0,1,0,0,
0,0,0,0}),
// shape of 6, next=3
// O
// OOO
new Shape(6, new int[]{0,0,1,0,
1,1,1,0,
0,0,0,0,
0,0,0,0}),
// shape of 7, next=8
// O
// O
// OO
new Shape(7, new int[]{0,1,0,0,
0,1,0,0,
1,1,0,0,
0,0,0,0}),
// shape of 8, next=9
// O
// OOO
new Shape(8, new int[]{1,0,0,0,
1,1,1,0,
0,0,0,0,
0,0,0,0}),
// shape of 9, next=10
// OO
// O
// O
new Shape(9, new int[]{0,1,1,0,
0,1,0,0,
0,1,0,0,
0,0,0,0}),
// shape of 10, next=7
// OOO
// O
new Shape(10, new int[]{0,0,0,0,
1,1,1,0,
0,0,1,0,
0,0,0,0}),
// shape of 11, next=12
// O
// OOO
new Shape(11, new int[]{0,1,0,0,
1,1,1,0,
0,0,0,0,
0,0,0,0}),
// shape of 12, next=13
// O
// OO
// O
new Shape(12, new int[]{0,1,0,0,
0,1,1,0,
0,1,0,0,
0,0,0,0}),
// shape of 13, next=14
// OOO
// O
new Shape(13, new int[]{0,0,0,0,
1,1,1,0,
0,1,0,0,
0,0,0,0}),
// shape of 14, next=11
// O
// OO
// O
new Shape(14, new int[]{0,1,0,0,
1,1,0,0,
0,1,0,0,
0,0,0,0}),
// shape of 15, next=16
// OO
// OO
new Shape(15, new int[]{0,0,0,0,
0,1,1,0,
1,1,0,0,
0,0,0,0}),
// shape of 16, next=15
// O
// OO
// O
new Shape(16, new int[]{0,1,0,0,
0,1,1,0,
0,0,1,0,
0,0,0,0}),
// shape of 17, next=18
// OO
// OO
new Shape(17, new int[]{0,0,0,0,
1,1,0,0,
0,1,1,0,
0,0,0,0}),
// shape of 18, next=17
// O
// OO
// O
new Shape(18, new int[]{0,0,1,0,
0,1,1,0,
0,1,0,0,
0,0,0,0})
};
private int index; // the unique id
private int[] data;
private Shape(final int index, final int[] data) {
this.index = index;
this.data = data;
}
public int getIndex() { return index; }
public int getWidth() { return 4; }
public int getHeight() { return 4; }
public int[] getData() { return data; }
/**
* Get the next shape when user pressed "change" key.
*
* @return The next shape that should be display.
*/
public Shape next() { return SHAPES[NEXT[index]]; }
static int getInitTop(int index) {
return INIT_TOP[index];
}
public void paint(Graphics g, int box_size, int color) {
for(int i=0; i<4; i++) { // col
for(int j=0; j<4; j++) { // row
if(data[4*j+i]==1) {
g.setColor(MyCanvas.BORDER_COLOR);
g.drawRect(i*box_size, j*box_size, box_size, box_size);
g.setColor(color);
g.fillRect(i*box_size+1, j*box_size+1, box_size-2, box_size-2);
}
}
}
}
public void erase(Graphics g, int box_size) {
for(int i=0; i<4; i++) { // col
for(int j=0; j<4; j++) { // row
if(data[4*j+i]==1) {
g.setColor(0);
g.drawRect(i*box_size, j*box_size, box_size, box_size);
g.fillRect(i*box_size, j*box_size, box_size, box_size);
}
}
}
}
public static int indexOf(Shape shape) {
for(int i=0; i<SHAPES.length; i++) {
if(SHAPES[i]==shape) return i;
}
return 0;
}
}
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