src/code/kalter/longflight/Font.java

   1 package code.kalter.longflight;
   2
   3 import java.io.IOException;
   4 import javax.microedition.lcdui.Graphics;
   5 import javax.microedition.lcdui.Image;
   6
   7 /**
   8  * Костыль - и этим всё сказанно
   9  *
  10  * @author KalterFive
  11  */
  12 public class Font {
  13
  14     private static Font instance;
  15
  16     public static Font getInstance() throws IOException {
  17         if (instance == null) {
  18             instance = new Font();
  19         }
  20         return instance;
  21     }
  22
  23     private final Image[] ascii;
  24
  25     private Font() throws IOException {
  26         Image font = Loader.getInstance().getImage("/gfx/font.png");
  27         ascii = new Image[0x7F];
  28         int x = 0;
  29         for (int i = 0x41; i <= 0x5A; i++, x += 5) {
  30             ascii[i] = Image.createImage(font, x, 0, 5, 9, 0);
  31         }
  32         for (int i = 0x61; i <= 0x7A; i++, x += 5) {
  33             ascii[i] = Image.createImage(font, x, 0, 5, 9, 0);
  34         }
  35         for (int i = 0x30; i <= 0x39; i++, x += 5) {
  36             ascii[i] = Image.createImage(font, x, 0, 5, 9, 0);
  37         }
  38         ascii[0x21] = Image.createImage(font, x, 0, 5, 9, 0);
  39         ascii[0x22] = Image.createImage(font, x += 5, 0, 5, 9, 0);
  40         ascii[0x27] = Image.createImage(font, x += 5, 0, 5, 9, 0);
  41         ascii[0x2C] = Image.createImage(font, x += 5, 0, 5, 9, 0);
  42         ascii[0x2D] = Image.createImage(font, x += 5, 0, 5, 9, 0);
  43         ascii[0x2E] = Image.createImage(font, x += 5, 0, 5, 9, 0);
  44         ascii[0x3A] = Image.createImage(font, x += 5, 0, 5, 9, 0);
  45         ascii[0x28] = Image.createImage(font, x += 5, 0, 5, 9, 0);
  46         ascii[0x29] = Image.createImage(font, x += 5, 0, 4, 9, 0);
  47     }
  48
  49     public int getWidth(String text) {
  50         return text.length() * 6;
  51     }
  52
  53     public void paint(Graphics graphics, String text, int x, int y) {
  54         for (int i = 0, px = x; i < text.length(); i++) {
  55             final char c = text.charAt(i);
  56             switch (c) {
  57                 case '\r':
  58                     x = px;
  59                     break;
  60
  61                 case '\n':
  62                     y += 10;
  63                     break;
  64
  65                 case ' ':
  66                     x += 6;
  67                     break;
  68
  69                 default:
  70                     graphics.drawImage(ascii[c], x, y, 0);
  71                     x += 6;
  72                     break;
  73             }
  74         }
  75     }
  76
  77     public void paint(Graphics graphics, String text,
  78             int x, int y, int width) {
  79         String[] word = split(text);
  80         int px = x;
  81         for (int i = 0; i < word.length; i++) {
  82             paint(graphics, word[i], px, y);
  83             int length = (getWidth(word[i])) + 6;
  84             if ((px += length) + length > width) {
  85                 px = x;
  86                 y += 10;
  87             }
  88         }
  89     }
  90
  91     public int getHeight(String text, int width) {
  92         String[] word = split(text);
  93         int result = 0;
  94         for (int i = 0, x = 0; i < word.length; i++) {
  95             int length = (getWidth(word[i])) + 6;
  96             if ((x += length) + length > width) {
  97                 x = 0;
  98                 result += 10;
  99             }
 100         }
 101         return result;
 102     }
 103
 104     private String[] split(String text) {
 105         String[] result;
 106         int length = 1;
 107         for (int i = 0; i < text.length(); i++) {
 108             if (text.charAt(i) == ' ') {
 109                 length++;
 110             }
 111         }
 112         result = new String[length];
 113         StringBuffer word = new StringBuffer();
 114         int j = 0;
 115         for (int i = 0; i < text.length(); i++) {
 116             char c = text.charAt(i);
 117             if (c == ' ') {
 118                 result[j++] = word.toString();
 119                 word = new StringBuffer();
 120             } else {
 121                 word.append(c);
 122             }
 123         }
 124         result[j] = word.toString();
 125         return result;
 126     }
 127 }