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1
2
21
22 package javax.microedition.lcdui;
23
24 import com.barteo.emulator.device.DeviceFactory;
25
26
27 public final class Font
28 {
29
30 public static final int STYLE_PLAIN = 0;
31 public static final int STYLE_BOLD = 1;
32 public static final int STYLE_ITALIC = 2;
33 public static final int STYLE_UNDERLINED = 4;
34
35 public static final int SIZE_SMALL = 8;
36 public static final int SIZE_MEDIUM = 0;
37 public static final int SIZE_LARGE = 16;
38
39 public static final int FACE_SYSTEM = 0;
40 public static final int FACE_MONOSPACE = 32;
41 public static final int FACE_PROPORTIONAL = 64;
42
43 private static final Font DEFAULT_FONT = new Font(Font.FACE_SYSTEM, Font.STYLE_PLAIN, Font.SIZE_MEDIUM);
44 private int face;
45 private int style;
46 private int size;
47
48
49 private Font(int face, int style, int size)
50 {
51 checkFace(face);
52 checkStyle(style);
53 checkSize(size);
54
55 this.face = face;
56 this.style = style;
57 this.size = size;
58 }
59
60
61 public static Font getFont(int face, int style, int size)
62 throws IllegalArgumentException
63 {
64 return new Font(face, style, size);
65 }
66
67
68 public static Font getDefaultFont()
69 {
70 return DEFAULT_FONT;
71 }
72
73
74 public int getFace()
75 {
76 return face;
77 }
78
79
80 public int getHeight()
81 {
82 return DeviceFactory.getDevice().getFontManager().getHeight(this);
83 }
84
85
86 public int getSize()
87 {
88 return size;
89 }
90
91
92 public int getStyle()
93 {
94 return style;
95 }
96
97
98 public int charWidth(char ch)
99 {
100 return DeviceFactory.getDevice().getFontManager().charWidth(this, ch);
101 }
102
103
104 public int charsWidth(char[] ch, int offset, int length)
105 {
106 return DeviceFactory.getDevice().getFontManager().charsWidth(this, ch, offset, length);
107 }
108
109
110 public int getBaselinePosition()
111 {
112 return DeviceFactory.getDevice().getFontManager().getBaselinePosition(this);
113 }
114
115
116 public boolean isBold()
117 {
118 if ((style & STYLE_BOLD) == STYLE_BOLD) {
119 return true;
120 } else {
121 return false;
122 }
123 }
124
125
126 public boolean isItalic()
127 {
128 if ((style & STYLE_ITALIC) == STYLE_ITALIC) {
129 return true;
130 } else {
131 return false;
132 }
133 }
134
135
136 public boolean isPlain()
137 {
138 if (style == STYLE_PLAIN) {
139 return true;
140 } else {
141 return false;
142 }
143 }
144
145
146 public boolean isUnderlined()
147 {
148 if ((style & STYLE_UNDERLINED) == STYLE_UNDERLINED) {
149 return true;
150 } else {
151 return false;
152 }
153 }
154
155
156 public int stringWidth(String str)
157 {
158 return DeviceFactory.getDevice().getFontManager().stringWidth(this, str);
159 }
160
161
162 public int substringWidth(String str, int offset, int len)
163 {
164 return stringWidth(str.substring(offset, offset + len));
165 }
166
167
168 public boolean equals(Object obj)
169 {
170 if (obj == null || !(obj instanceof Font)) {
171 return false;
172 }
173 if (((Font) obj).face != face) {
174 return false;
175 }
176 if (((Font) obj).style != style) {
177 return false;
178 }
179 if (((Font) obj).size != size) {
180 return false;
181 }
182
183 return true;
184 }
185
186
187 public int hashCode()
188 {
189 return face | style | size;
190 }
191
192
193 private void checkFace(int face)
194 throws IllegalArgumentException
195 {
196 if ((face != FACE_SYSTEM) &&
197 (face != FACE_MONOSPACE) &&
198 (face != FACE_PROPORTIONAL) ) {
199 throw new IllegalArgumentException("Font face is not a known type");
200 }
201 }
202
203
204 private void checkStyle(int style)
205 throws IllegalArgumentException
206 {
207 if (style == STYLE_PLAIN) {
208 return;
209 }
210
211 int allstyles = STYLE_ITALIC|STYLE_BOLD|STYLE_UNDERLINED;
212 if ((style < 0) || (style > allstyles) || ((style&allstyles) == 0)) {
213 throw new IllegalArgumentException("Font style is not a known type");
214 }
215 }
216
217
218 private void checkSize(int size)
219 throws IllegalArgumentException
220 {
221 if ((size != SIZE_SMALL) &&
222 (size != SIZE_MEDIUM) &&
223 (size != SIZE_LARGE) ) {
224 throw new IllegalArgumentException("Font size is not a known type");
225 }
226 }
227
228 }
229 |
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