Fork of Poseidon providing Bukkit #1060 to older Beta versions (b1.0-b1.7.3)
keii.dev
1package org.bukkit.map;
2
3import java.util.HashMap;
4
5/**
6 * Represents a bitmap font drawable to a map.
7 */
8public class MapFont {
9
10 private final HashMap<Character, CharacterSprite> chars = new HashMap<Character, CharacterSprite>();
11 private int height = 0;
12 protected boolean malleable = true;
13
14 /**
15 * Set the sprite for a given character.
16 *
17 * @param ch The character to set the sprite for.
18 * @param sprite The CharacterSprite to set.
19 * @throws IllegalStateException if this font is static.
20 */
21 public void setChar(char ch, CharacterSprite sprite) {
22 if (!malleable) {
23 throw new IllegalStateException("this font is not malleable");
24 }
25
26 chars.put(ch, sprite);
27 if (sprite.getHeight() > height) {
28 height = sprite.getHeight();
29 }
30 }
31
32 /**
33 * Get the sprite for a given character.
34 *
35 * @param ch The character to get the sprite for.
36 * @return The CharacterSprite associated with the character, or null if there is none.
37 */
38 public CharacterSprite getChar(char ch) {
39 return chars.get(ch);
40 }
41
42 /**
43 * Get the width of the given text as it would be rendered using this font.
44 *
45 * @param text The text.
46 * @return The width in pixels.
47 */
48 public int getWidth(String text) {
49 if (!isValid(text)) {
50 throw new IllegalArgumentException("text contains invalid characters");
51 }
52
53 int result = 0;
54 for (int i = 0; i < text.length(); ++i) {
55 result += chars.get(text.charAt(i)).getWidth();
56 }
57 return result;
58 }
59
60 /**
61 * Get the height of this font.
62 *
63 * @return The height of the font.
64 */
65 public int getHeight() {
66 return height;
67 }
68
69 /**
70 * Check whether the given text is valid.
71 *
72 * @param text The text.
73 * @return True if the string contains only defined characters, false otherwise.
74 */
75 public boolean isValid(String text) {
76 for (int i = 0; i < text.length(); ++i) {
77 char ch = text.charAt(i);
78 if (ch == '\u00A7' || ch == '\n') continue;
79 if (chars.get(ch) == null) return false;
80 }
81 return true;
82 }
83
84 /**
85 * Represents the graphics for a single character in a MapFont.
86 */
87 public static class CharacterSprite {
88
89 private final int width;
90 private final int height;
91 private final boolean[] data;
92
93 public CharacterSprite(int width, int height, boolean[] data) {
94 this.width = width;
95 this.height = height;
96 this.data = data;
97
98 if (data.length != width * height) {
99 throw new IllegalArgumentException("size of data does not match dimensions");
100 }
101 }
102
103 /**
104 * Get the value of a pixel of the character.
105 *
106 * @param row The row, in the range [0,8).
107 * @param col The column, in the range [0,8).
108 * @return True if the pixel is solid, false if transparent.
109 */
110 public boolean get(int row, int col) {
111 if (row < 0 || col < 0 || row >= height || col >= width) return false;
112 return data[row * width + col];
113 }
114
115 /**
116 * Get the width of the character sprite.
117 *
118 * @return The width of the character.
119 */
120 public int getWidth() {
121 return width;
122 }
123
124 /**
125 * Get the height of the character sprite.
126 *
127 * @return The height of the character.
128 */
129 public int getHeight() {
130 return height;
131 }
132
133 }
134
135}