跑马灯
转载，出处忘记。。
import java.util.HashMap;
import java.util.Map;
public class Main {
public static void main(String[] args) {
if(null==args || args.length==0){
System.err.println("ONLY accept A to Z, a to z, 0 to 9 and space");
return;
}
StringBuilder builder = new StringBuilder();
for(String s : args){
builder.append(s).append(" ");
}
builder.delete(builder.length()-1,builder.length());
Main matrix = new Main();
matrix.printString(builder.toString());
}
private static Map<Character, int[]> letterMapping = null;
public final static int MATRIX_ARRAY = 16;
private final static int[] SPACE = new int[] {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
static {
init();
}
public void printString(String str) {
if (!str.matches("[0-9A-Za-z ]*")) {
throw new IllegalArgumentException("ONLY accept A to Z, a to z, 0 to 9 and space");
}
char[] chars = str.toCharArray();
printCharArray(chars);
}
private void printCharArray(char[] chars) {
int allchars[][] = new int[chars.length][];
for (int i = 0; i < chars.length; i++) {
allchars[i] = letterMapping.get(chars[i]);
}
for (int i = 0; i < MATRIX_ARRAY; i++) {
for (int j = 0, k = chars.length; j < k; j++) {
int[] letter = allchars[j];
int len = letter == SPACE ? 8 : 16;
for (int m = 0; m < len; m++) {
System.out.print((letter[i] & (0x8000 >> m)) == 0 ? " " : "#");
}
}
System.out.println();
}
}
private static void init() {
letterMapping = new HashMap<Character, int[]>();
letterMapping.put('A', new int[] {0x0000, 0x0000, 0x0000, 0x01C0, 0x03C0, 0x02E0, 0x0660, 0x0C70,
0x0C70, 0x0FF8, 0x1838, 0x1018, 0x301C, 0xFC3F, 0x0000, 0x0000});
letterMapping.put('B', new int[] {0x0000, 0x0000, 0x0000, 0x7FF8, 0x181C, 0x181E, 0x181C, 0x1FF8,
0x1FFC, 0x180E, 0x180E, 0x180E, 0x181E, 0xFFF8, 0x0000, 0x0000});
letterMapping.put('C', new int[] {0x0000, 0x0000, 0x0000, 0x07FE, 0x1C06, 0x3802, 0x7000, 0x7000,
0x7000, 0x7000, 0x7002, 0x3802, 0x1C0C, 0x07F8, 0x0000, 0x0000});
letterMapping.put('D', new int[] {0x0000, 0x0000, 0x0000, 0x7FF0, 0x183C, 0x180E, 0x180E, 0x180E,
0x180F, 0x180E, 0x180E, 0x180C, 0x1838, 0x7FE0, 0x0000, 0x0000});
letterMapping.put('E', new int[] {0x0000, 0x0000, 0x0000, 0x7FFC, 0x1C0E, 0x1C02, 0x1C10, 0x1FF0,
0x1FF0, 0x1C10, 0x1C00, 0x1C02, 0x1C06, 0x7FFC, 0x0000, 0x0000});
letterMapping.put('F', new int[] {0x0000, 0x0000, 0x0000, 0x7FFE, 0x1C06, 0x1C00, 0x1C18, 0x1C38,
0x1FF8, 0x1C18, 0x1C00, 0x1C00, 0x1C00, 0x7F00, 0x0000, 0x0000});
letterMapping.put('G', new int[] {0x0000, 0x0000, 0x0000, 0x07F8, 0x1C1C, 0x380C, 0x7000, 0x7000,
0x7000, 0x703F, 0x701C, 0x381C, 0x1C1C, 0x0FFC, 0x0000, 0x0000});
letterMapping.put('H', new int[] {0x0000, 0x0000, 0x0000, 0x7C3F, 0x381C, 0x381C, 0x381C, 0x381C,
0x3FFC, 0x381C, 0x381C, 0x381C, 0x381C, 0xFE3F, 0x0000, 0x0000});
letterMapping.put('I', new int[] {0x0000, 0x0000, 0x0000, 0x1FF8, 0x01C0, 0x01C0, 0x01C0, 0x01C0,
0x01C0, 0x01C0, 0x01C0, 0x01C0, 0x01C0, 0x1FFC, 0x0000, 0x0000});
letterMapping.put('J', new int[] {0x0000, 0x0000, 0x0000, 0x07FE, 0x0070, 0x0070, 0x0070, 0x0070,
0x0070, 0x0070, 0x0070, 0x0070, 0x0070, 0x3070, 0x78E0, 0x3F80});
letterMapping.put('K', new int[] {0x0000, 0x0000, 0x0000, 0x7E3E, 0x1830, 0x1860, 0x19C0, 0x1B80,
0x1FC0, 0x18E0, 0x1870, 0x1838, 0x181C, 0x7E3F, 0x0000, 0x0000});
letterMapping.put('L', new int[] {0x0000, 0x0000, 0x0000, 0x7E00, 0x1C00, 0x1C00, 0x1C00, 0x1C00,
0x1C00, 0x1C00, 0x1C00, 0x1C03, 0x1C06, 0x7FFE, 0x0000, 0x0000});
letterMapping.put('M', new int[] {0x0000, 0x0000, 0x0000, 0x781F, 0x381E, 0x3C3E, 0x3C3E, 0x2C6E,
0x2E6E, 0x26CE, 0x27CE, 0x238E, 0x238E, 0xFB3F, 0x0000, 0x0000});
letterMapping.put('N', new int[] {0x0000, 0x0000, 0x0000, 0x781F, 0x3C04, 0x3E04, 0x3704, 0x3384,
0x31C4, 0x30E4, 0x3034, 0x301C, 0x300C, 0xFC04, 0x0000, 0x0000});
letterMapping.put('O', new int[] {0x0000, 0x0000, 0x0000, 0x0FF0, 0x1C1C, 0x380E, 0x700E, 0x7007,
0x7007, 0x7007, 0x300E, 0x380E, 0x1C1C, 0x07F0, 0x0000, 0x0000});
letterMapping.put('P', new int[] {0x0000, 0x0000, 0x0000, 0x7FF8, 0x1C0E, 0x1C0E, 0x1C0E, 0x1C1C,
0x1FF8, 0x1C00, 0x1C00, 0x1C00, 0x1C00, 0x7F00, 0x0000, 0x0000});
letterMapping.put('Q', new int[] {0x0000, 0x0000, 0x0000, 0x0FF0, 0x1C1C, 0x380E, 0x700E, 0x7007,
0x7007, 0x700F, 0x738E, 0x39CE, 0x1C7C, 0x07F0, 0x003E, 0x000C});
letterMapping.put('R', new int[] {0x0000, 0x0000, 0x0000, 0x3FF8, 0x1C1C, 0x1C0E, 0x1C0C, 0x1C78,
0x1FE0, 0x1CE0, 0x1C70, 0x1C38, 0x1C1C, 0x7E0F, 0x0000, 0x0000});
letterMapping.put('S', new int[] {0x0000, 0x0000, 0x0000, 0x0FFC, 0x301C, 0x3004, 0x3800, 0x1F80,
0x03F0, 0x003C, 0x200E, 0x200E, 0x380C, 0x3FF8, 0x0000, 0x0000});
letterMapping.put('T', new int[] {0x0000, 0x0000, 0x0000, 0x3FFE, 0x61C6, 0x41C2, 0x01C0, 0x01C0,
0x01C0, 0x01C0, 0x01C0, 0x01C0, 0x01C0, 0x0FF0, 0x0000, 0x0000});
letterMapping.put('U', new int[] {0x0000, 0x0000, 0x0000, 0x7C1E, 0x3804, 0x3804, 0x3804, 0x3804,
0x3804, 0x3804, 0x3804, 0x3804, 0x1C18, 0x0FF0, 0x0000, 0x0000});
letterMapping.put('V', new int[] {0x0000, 0x0000, 0x0000, 0x7C1E, 0x180C, 0x1C18, 0x0C10, 0x0E30,
0x0E20, 0x0760, 0x0740, 0x03C0, 0x0380, 0x0180, 0x0000, 0x0000});
letterMapping.put('W', new int[] {0x0000, 0x0000, 0x0000, 0x7BCF, 0x31C6, 0x31C4, 0x39CC, 0x3BEC,
0x1BF8, 0x1F78, 0x1E78, 0x0E70, 0x0C30, 0x0C20, 0x0000, 0x0000});
letterMapping.put('X', new int[] {0x0000, 0x0000, 0x0000, 0x3E3E, 0x0C18, 0x0E30, 0x0760, 0x03C0,
0x01C0, 0x03E0, 0x0670, 0x0C38, 0x081C, 0x7C3F, 0x0000, 0x0000});
letterMapping.put('Y', new int[] {0x0000, 0x0000, 0x0000, 0x7E3E, 0x1C08, 0x0C10, 0x0E30, 0x0760,
0x03C0, 0x01C0, 0x01C0, 0x01C0, 0x01C0, 0x0FF0, 0x0000, 0x0000});
letterMapping.put('Z', new int[] {0x0000, 0x0000, 0x0000, 0x1FFE, 0x381C, 0x2038, 0x0070, 0x00E0,
0x01C0, 0x0380, 0x0600, 0x0C06, 0x380C, 0x7FFC, 0x0000, 0x0000});
letterMapping.put('a', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x07E0, 0x1E78,
0x381C, 0x07FC, 0x1E1C, 0x301C, 0x303D, 0x1FCE, 0x0000, 0x0000});
letterMapping.put('b', new int[] {0x0000, 0x0000, 0x0800, 0x7800, 0x1800, 0x1800, 0x19F0, 0x1FFC,
0x1C0C, 0x180E, 0x180E, 0x180E, 0x181C, 0x1FF0, 0x0000, 0x0000});
letterMapping.put('c', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x03E0, 0x0F38,
0x181C, 0x3800, 0x3800, 0x3804, 0x1C0C, 0x0FF8, 0x0000, 0x0000});
letterMapping.put('d', new int[] {0x0000, 0x0000, 0x0000, 0x003C, 0x001C, 0x001C, 0x03DC, 0x0E7C,
0x381C, 0x381C, 0x381C, 0x381C, 0x1C3C, 0x0FCE, 0x0000, 0x0000});
letterMapping.put('e', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x03E0, 0x0F78,
0x180C, 0x3FFE, 0x3FFC, 0x3800, 0x1C0C, 0x07F0, 0x0000, 0x0000});
letterMapping.put('f', new int[] {0x0000, 0x0000, 0x0000, 0x01FE, 0x0307, 0x0700, 0x3FF8, 0x3FF8,
0x0700, 0x0700, 0x0700, 0x0700, 0x0700, 0x3FF0, 0x0000, 0x0000});
letterMapping.put('g', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x03EE, 0x0E7E,
0x1818, 0x1818, 0x0FF0, 0x1980, 0x1FFC, 0x383E, 0x300E, 0x1FF8});
letterMapping.put('h', new int[] {0x0000, 0x0000, 0x0800, 0x7800, 0x1800, 0x1800, 0x19F0, 0x1FF8,
0x181C, 0x181C, 0x181C, 0x181C, 0x181C, 0x7E3F, 0x0000, 0x0000});
letterMapping.put('i', new int[] {0x0000, 0x0000, 0x0000, 0x01C0, 0x01C0, 0x0000, 0x0FC0, 0x0FC0,
0x01C0, 0x01C0, 0x01C0, 0x01C0, 0x01C0, 0x1FF8, 0x0000, 0x0000});
letterMapping.put('j', new int[] {0x0000, 0x0000, 0x0000, 0x0038, 0x0038, 0x0000, 0x01F8, 0x01F8,
0x0018, 0x0018, 0x0018, 0x0018, 0x0018, 0x0018, 0x1830, 0x1FE0});
letterMapping.put('k', new int[] {0x0000, 0x0000, 0x0800, 0x3800, 0x1800, 0x1800, 0x187C, 0x187C,
0x18E0, 0x1B80, 0x1EE0, 0x1870, 0x1838, 0x7E3F, 0x0000, 0x0000});
letterMapping.put('l', new int[] {0x0000, 0x0000, 0x0080, 0x0FC0, 0x01C0, 0x01C0, 0x01C0, 0x01C0,
0x01C0, 0x01C0, 0x01C0, 0x01C0, 0x01C0, 0x1FFC, 0x0000, 0x0000});
letterMapping.put('m', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x771C, 0x7FFE,
0x31C6, 0x31C6, 0x31C6, 0x31C6, 0x31C6, 0xFBEF, 0x0000, 0x0000});
letterMapping.put('n', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x79F0, 0x7FF8,
0x181C, 0x181C, 0x181C, 0x181C, 0x181C, 0x7E3F, 0x0000, 0x0000});
letterMapping.put('o', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x03E0, 0x0F78,
0x380C, 0x300E, 0x700E, 0x380E, 0x181C, 0x0FF0, 0x0000, 0x0000});
letterMapping.put('p', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x79E0, 0x7FFC,
0x180E, 0x180E, 0x180E, 0x180E, 0x1C1C, 0x1FF8, 0x1800, 0x7E00});
letterMapping.put('q', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x03C0, 0x1E7C,
0x381C, 0x381C, 0x301C, 0x381C, 0x181C, 0x0FFC, 0x001C, 0x003E});
letterMapping.put('r', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x7E3C, 0x7EFE,
0x0F04, 0x0E00, 0x0E00, 0x0E00, 0x0E00, 0x7FE0, 0x0000, 0x0000});
letterMapping.put('s', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x03E8, 0x0E7C,
0x180C, 0x0F80, 0x03F8, 0x101C, 0x180C, 0x1FF8, 0x0000, 0x0000});
letterMapping.put('t', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0100, 0x0300, 0x3FF8, 0x3FF8,
0x0300, 0x0300, 0x0300, 0x0304, 0x030C, 0x01F8, 0x0000, 0x0000});
letterMapping.put('u', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x783C, 0x783C,
0x181C, 0x181C, 0x181C, 0x181C, 0x183C, 0x0FDE, 0x0000, 0x0000});
letterMapping.put('v', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x3E1E, 0x3E1E,
0x0C18, 0x0E30, 0x0720, 0x0360, 0x03C0, 0x0180, 0x0000, 0x0000});
letterMapping.put('w', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x7BCF, 0x7BCF,
0x39CC, 0x39CC, 0x1BE8, 0x1E78, 0x0E70, 0x0C30, 0x0000, 0x0000});
letterMapping.put('x', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x3E3C, 0x3E3C,
0x0720, 0x03C0, 0x01C0, 0x0670, 0x0C38, 0x7E7E, 0x0000, 0x0000});
letterMapping.put('y', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x3E3E, 0x3E3E,
0x0E18, 0x0630, 0x0360, 0x03E0, 0x01C0, 0x0180, 0x1900, 0x3E00});
letterMapping.put('z', new int[] {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x1FF8, 0x3FF8,
0x3070, 0x01C0, 0x0380, 0x0704, 0x1C0C, 0x3FFC, 0x0000, 0x0000});
letterMapping.put('0', new int[] {0x0000, 0x0000, 0x0000, 0x07F0, 0x1C18, 0x381C, 0x380E, 0x380E,
0x780E, 0x380E, 0x380E, 0x381C, 0x1C18, 0x07F0, 0x0000, 0x0000});
letterMapping.put('1', new int[] {0x0000, 0x0000, 0x0000, 0x01C0, 0x0FC0, 0x01C0, 0x01C0, 0x01C0,
0x01C0, 0x01C0, 0x01C0, 0x01C0, 0x01C0, 0x0FFC, 0x0000, 0x0000});
letterMapping.put('2', new int[] {0x0000, 0x0000, 0x0000, 0x0FF8, 0x181C, 0x381C, 0x181C, 0x0038,
0x0070, 0x01C0, 0x0700, 0x0C06, 0x3FFC, 0x3FFC, 0x0000, 0x0000});
letterMapping.put('3', new int[] {0x0000, 0x0000, 0x0000, 0x0FF0, 0x3838, 0x381C, 0x0038, 0x03F0,
0x03F0, 0x001C, 0x000E, 0x381C, 0x381C, 0x0FF0, 0x0000, 0x0000});
letterMapping.put('4', new int[] {0x0000, 0x0000, 0x0000, 0x0030, 0x00F0, 0x01F0, 0x0370, 0x0C70,
0x1870, 0x3070, 0x3FFE, 0x0070, 0x0070, 0x03FE, 0x0000, 0x0000});
letterMapping.put('5', new int[] {0x0000, 0x0000, 0x0000, 0x1FFC, 0x1800, 0x1800, 0x18C0, 0x1FF8,
0x181C, 0x001E, 0x100E, 0x381C, 0x3818, 0x0FF0, 0x0000, 0x0000});
letterMapping.put('6', new int[] {0x0000, 0x0000, 0x0000, 0x07F8, 0x0C3C, 0x1808, 0x3800, 0x3FF8,
0x7C1C, 0x780E, 0x380E, 0x380E, 0x1C1C, 0x07F0, 0x0000, 0x0000});
letterMapping.put('7', new int[] {0x0000, 0x0000, 0x0000, 0x1FFE, 0x3C0C, 0x3018, 0x0030, 0x0060,
0x00C0, 0x01C0, 0x0380, 0x0380, 0x0380, 0x0380, 0x0000, 0x0000});
letterMapping.put('8', new int[] {0x0000, 0x0000, 0x0000, 0x0FF8, 0x380C, 0x300E, 0x3C0C, 0x1FF8,
0x0FF0, 0x383C, 0x300E, 0x700E, 0x380C, 0x0FF0, 0x0000, 0x0000});
letterMapping.put('9', new int[] {0x0000, 0x0000, 0x0000, 0x0FF0, 0x3818, 0x300C, 0x700E, 0x300E,
0x383E, 0x1FEE, 0x001C, 0x1818, 0x3C30, 0x1FE0, 0x0000, 0x0000});
letterMapping.put(' ', SPACE);
}
}
```
最后修改于 2015-05-23