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grglyph.cpp
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1 //
2 // Copyright (C) 2017 Graeme Walker
3 //
4 // This program is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
7 // (at your option) any later version.
8 //
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
13 //
14 // You should have received a copy of the GNU General Public License
15 // along with this program. If not, see <http://www.gnu.org/licenses/>.
16 // ===
17 //
18 // grglyph.cpp
19 //
20 
21 #include "gdef.h"
22 #include "grglyph.h"
23 #include "gassert.h"
24 
25 // from a perl module
26 static unsigned int font_data [256][8] = {
27  { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
28  { 0x7e, 0x81, 0xa5, 0x81, 0xbd, 0x99, 0x81, 0x7e },
29  { 0x7e, 0xff, 0xdb, 0xff, 0xc3, 0xe7, 0xff, 0x7e },
30  { 0x6c, 0xfe, 0xfe, 0xfe, 0x7c, 0x38, 0x10, 0x00 },
31  { 0x10, 0x38, 0x7c, 0xfe, 0x7c, 0x38, 0x10, 0x00 },
32  { 0x38, 0x7c, 0x38, 0xfe, 0xfe, 0xd6, 0x10, 0x38 },
33  { 0x10, 0x38, 0x7c, 0xfe, 0xfe, 0x7c, 0x10, 0x38 },
34  { 0x00, 0x00, 0x18, 0x3c, 0x3c, 0x18, 0x00, 0x00 },
35  { 0xff, 0xff, 0xe7, 0xc3, 0xc3, 0xe7, 0xff, 0xff },
36  { 0x00, 0x3c, 0x66, 0x42, 0x42, 0x66, 0x3c, 0x00 },
37  { 0xff, 0xc3, 0x99, 0xbd, 0xbd, 0x99, 0xc3, 0xff },
38  { 0x0f, 0x07, 0x0f, 0x7d, 0xcc, 0xcc, 0xcc, 0x78 },
39  { 0x3c, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x7e, 0x18 },
40  { 0x3f, 0x33, 0x3f, 0x30, 0x30, 0x70, 0xf0, 0xe0 },
41  { 0x7f, 0x63, 0x7f, 0x63, 0x63, 0x67, 0xe6, 0xc0 },
42  { 0x18, 0xdb, 0x3c, 0xe7, 0xe7, 0x3c, 0xdb, 0x18 },
43  { 0x80, 0xe0, 0xf8, 0xfe, 0xf8, 0xe0, 0x80, 0x00 },
44  { 0x02, 0x0e, 0x3e, 0xfe, 0x3e, 0x0e, 0x02, 0x00 },
45  { 0x18, 0x3c, 0x7e, 0x18, 0x18, 0x7e, 0x3c, 0x18 },
46  { 0x66, 0x66, 0x66, 0x66, 0x66, 0x00, 0x66, 0x00 },
47  { 0x7f, 0xdb, 0xdb, 0x7b, 0x1b, 0x1b, 0x1b, 0x00 },
48  { 0x3e, 0x61, 0x3c, 0x66, 0x66, 0x3c, 0x86, 0x7c },
49  { 0x00, 0x00, 0x00, 0x00, 0x7e, 0x7e, 0x7e, 0x00 },
50  { 0x18, 0x3c, 0x7e, 0x18, 0x7e, 0x3c, 0x18, 0xff },
51  { 0x18, 0x3c, 0x7e, 0x18, 0x18, 0x18, 0x18, 0x00 },
52  { 0x18, 0x18, 0x18, 0x18, 0x7e, 0x3c, 0x18, 0x00 },
53  { 0x00, 0x18, 0x0c, 0xfe, 0x0c, 0x18, 0x00, 0x00 },
54  { 0x00, 0x30, 0x60, 0xfe, 0x60, 0x30, 0x00, 0x00 },
55  { 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xfe, 0x00, 0x00 },
56  { 0x00, 0x24, 0x66, 0xff, 0x66, 0x24, 0x00, 0x00 },
57  { 0x00, 0x18, 0x3c, 0x7e, 0xff, 0xff, 0x00, 0x00 },
58  { 0x00, 0xff, 0xff, 0x7e, 0x3c, 0x18, 0x00, 0x00 },
59  { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
60  { 0x18, 0x3c, 0x3c, 0x18, 0x18, 0x00, 0x18, 0x00 },
61  { 0x66, 0x66, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00 },
62  { 0x6c, 0x6c, 0xfe, 0x6c, 0xfe, 0x6c, 0x6c, 0x00 },
63  { 0x18, 0x3e, 0x60, 0x3c, 0x06, 0x7c, 0x18, 0x00 },
64  { 0x00, 0xc6, 0xcc, 0x18, 0x30, 0x66, 0xc6, 0x00 },
65  { 0x38, 0x6c, 0x38, 0x76, 0xdc, 0xcc, 0x76, 0x00 },
66  { 0x18, 0x18, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00 },
67  { 0x0c, 0x18, 0x30, 0x30, 0x30, 0x18, 0x0c, 0x00 },
68  { 0x30, 0x18, 0x0c, 0x0c, 0x0c, 0x18, 0x30, 0x00 },
69  { 0x00, 0x66, 0x3c, 0xff, 0x3c, 0x66, 0x00, 0x00 },
70  { 0x00, 0x18, 0x18, 0x7e, 0x18, 0x18, 0x00, 0x00 },
71  { 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x30 },
72  { 0x00, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x00, 0x00 },
73  { 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00 },
74  { 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x80, 0x00 },
75  { 0x38, 0x6c, 0xc6, 0xd6, 0xc6, 0x6c, 0x38, 0x00 },
76  { 0x18, 0x38, 0x18, 0x18, 0x18, 0x18, 0x7e, 0x00 },
77  { 0x7c, 0xc6, 0x06, 0x1c, 0x30, 0x66, 0xfe, 0x00 },
78  { 0x7c, 0xc6, 0x06, 0x3c, 0x06, 0xc6, 0x7c, 0x00 },
79  { 0x1c, 0x3c, 0x6c, 0xcc, 0xfe, 0x0c, 0x1e, 0x00 },
80  { 0xfe, 0xc0, 0xc0, 0xfc, 0x06, 0xc6, 0x7c, 0x00 },
81  { 0x38, 0x60, 0xc0, 0xfc, 0xc6, 0xc6, 0x7c, 0x00 },
82  { 0xfe, 0xc6, 0x0c, 0x18, 0x30, 0x30, 0x30, 0x00 },
83  { 0x7c, 0xc6, 0xc6, 0x7c, 0xc6, 0xc6, 0x7c, 0x00 },
84  { 0x7c, 0xc6, 0xc6, 0x7e, 0x06, 0x0c, 0x78, 0x00 },
85  { 0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x00 },
86  { 0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x30 },
87  { 0x06, 0x0c, 0x18, 0x30, 0x18, 0x0c, 0x06, 0x00 },
88  { 0x00, 0x00, 0x7e, 0x00, 0x00, 0x7e, 0x00, 0x00 },
89  { 0x60, 0x30, 0x18, 0x0c, 0x18, 0x30, 0x60, 0x00 },
90  { 0x7c, 0xc6, 0x0c, 0x18, 0x18, 0x00, 0x18, 0x00 },
91  { 0x7c, 0xc6, 0xde, 0xde, 0xde, 0xc0, 0x78, 0x00 },
92  { 0x38, 0x6c, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0x00 },
93  { 0xfc, 0x66, 0x66, 0x7c, 0x66, 0x66, 0xfc, 0x00 },
94  { 0x3c, 0x66, 0xc0, 0xc0, 0xc0, 0x66, 0x3c, 0x00 },
95  { 0xf8, 0x6c, 0x66, 0x66, 0x66, 0x6c, 0xf8, 0x00 },
96  { 0xfe, 0x62, 0x68, 0x78, 0x68, 0x62, 0xfe, 0x00 },
97  { 0xfe, 0x62, 0x68, 0x78, 0x68, 0x60, 0xf0, 0x00 },
98  { 0x3c, 0x66, 0xc0, 0xc0, 0xce, 0x66, 0x3a, 0x00 },
99  { 0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0x00 },
100  { 0x3c, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00 },
101  { 0x1e, 0x0c, 0x0c, 0x0c, 0xcc, 0xcc, 0x78, 0x00 },
102  { 0xe6, 0x66, 0x6c, 0x78, 0x6c, 0x66, 0xe6, 0x00 },
103  { 0xf0, 0x60, 0x60, 0x60, 0x62, 0x66, 0xfe, 0x00 },
104  { 0xc6, 0xee, 0xfe, 0xfe, 0xd6, 0xc6, 0xc6, 0x00 },
105  { 0xc6, 0xe6, 0xf6, 0xde, 0xce, 0xc6, 0xc6, 0x00 },
106  { 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00 },
107  { 0xfc, 0x66, 0x66, 0x7c, 0x60, 0x60, 0xf0, 0x00 },
108  { 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xce, 0x7c, 0x0e },
109  { 0xfc, 0x66, 0x66, 0x7c, 0x6c, 0x66, 0xe6, 0x00 },
110  { 0x3c, 0x66, 0x30, 0x18, 0x0c, 0x66, 0x3c, 0x00 },
111  { 0x7e, 0x7e, 0x5a, 0x18, 0x18, 0x18, 0x3c, 0x00 },
112  { 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00 },
113  { 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x00 },
114  { 0xc6, 0xc6, 0xc6, 0xd6, 0xd6, 0xfe, 0x6c, 0x00 },
115  { 0xc6, 0xc6, 0x6c, 0x38, 0x6c, 0xc6, 0xc6, 0x00 },
116  { 0x66, 0x66, 0x66, 0x3c, 0x18, 0x18, 0x3c, 0x00 },
117  { 0xfe, 0xc6, 0x8c, 0x18, 0x32, 0x66, 0xfe, 0x00 },
118  { 0x3c, 0x30, 0x30, 0x30, 0x30, 0x30, 0x3c, 0x00 },
119  { 0xc0, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x02, 0x00 },
120  { 0x3c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x3c, 0x00 },
121  { 0x10, 0x38, 0x6c, 0xc6, 0x00, 0x00, 0x00, 0x00 },
122  { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff },
123  { 0x30, 0x18, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00 },
124  { 0x00, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0x76, 0x00 },
125  { 0xe0, 0x60, 0x7c, 0x66, 0x66, 0x66, 0xdc, 0x00 },
126  { 0x00, 0x00, 0x7c, 0xc6, 0xc0, 0xc6, 0x7c, 0x00 },
127  { 0x1c, 0x0c, 0x7c, 0xcc, 0xcc, 0xcc, 0x76, 0x00 },
128  { 0x00, 0x00, 0x7c, 0xc6, 0xfe, 0xc0, 0x7c, 0x00 },
129  { 0x3c, 0x66, 0x60, 0xf8, 0x60, 0x60, 0xf0, 0x00 },
130  { 0x00, 0x00, 0x76, 0xcc, 0xcc, 0x7c, 0x0c, 0xf8 },
131  { 0xe0, 0x60, 0x6c, 0x76, 0x66, 0x66, 0xe6, 0x00 },
132  { 0x18, 0x00, 0x38, 0x18, 0x18, 0x18, 0x3c, 0x00 },
133  { 0x06, 0x00, 0x06, 0x06, 0x06, 0x66, 0x66, 0x3c },
134  { 0xe0, 0x60, 0x66, 0x6c, 0x78, 0x6c, 0xe6, 0x00 },
135  { 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00 },
136  { 0x00, 0x00, 0xec, 0xfe, 0xd6, 0xd6, 0xd6, 0x00 },
137  { 0x00, 0x00, 0xdc, 0x66, 0x66, 0x66, 0x66, 0x00 },
138  { 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0x00 },
139  { 0x00, 0x00, 0xdc, 0x66, 0x66, 0x7c, 0x60, 0xf0 },
140  { 0x00, 0x00, 0x76, 0xcc, 0xcc, 0x7c, 0x0c, 0x1e },
141  { 0x00, 0x00, 0xdc, 0x76, 0x60, 0x60, 0xf0, 0x00 },
142  { 0x00, 0x00, 0x7e, 0xc0, 0x7c, 0x06, 0xfc, 0x00 },
143  { 0x30, 0x30, 0xfc, 0x30, 0x30, 0x36, 0x1c, 0x00 },
144  { 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00 },
145  { 0x00, 0x00, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x00 },
146  { 0x00, 0x00, 0xc6, 0xd6, 0xd6, 0xfe, 0x6c, 0x00 },
147  { 0x00, 0x00, 0xc6, 0x6c, 0x38, 0x6c, 0xc6, 0x00 },
148  { 0x00, 0x00, 0xc6, 0xc6, 0xc6, 0x7e, 0x06, 0xfc },
149  { 0x00, 0x00, 0x7e, 0x4c, 0x18, 0x32, 0x7e, 0x00 },
150  { 0x0e, 0x18, 0x18, 0x70, 0x18, 0x18, 0x0e, 0x00 },
151  { 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00 },
152  { 0x70, 0x18, 0x18, 0x0e, 0x18, 0x18, 0x70, 0x00 },
153  { 0x76, 0xdc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
154  { 0x00, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0x00 },
155  { 0x7c, 0xc6, 0xc0, 0xc0, 0xc6, 0x7c, 0x0c, 0x78 },
156  { 0xcc, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00 },
157  { 0x0c, 0x18, 0x7c, 0xc6, 0xfe, 0xc0, 0x7c, 0x00 },
158  { 0x7c, 0x82, 0x78, 0x0c, 0x7c, 0xcc, 0x76, 0x00 },
159  { 0xc6, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0x76, 0x00 },
160  { 0x30, 0x18, 0x78, 0x0c, 0x7c, 0xcc, 0x76, 0x00 },
161  { 0x30, 0x30, 0x78, 0x0c, 0x7c, 0xcc, 0x76, 0x00 },
162  { 0x00, 0x00, 0x7e, 0xc0, 0xc0, 0x7e, 0x0c, 0x38 },
163  { 0x7c, 0x82, 0x7c, 0xc6, 0xfe, 0xc0, 0x7c, 0x00 },
164  { 0xc6, 0x00, 0x7c, 0xc6, 0xfe, 0xc0, 0x7c, 0x00 },
165  { 0x30, 0x18, 0x7c, 0xc6, 0xfe, 0xc0, 0x7c, 0x00 },
166  { 0x66, 0x00, 0x38, 0x18, 0x18, 0x18, 0x3c, 0x00 },
167  { 0x7c, 0x82, 0x38, 0x18, 0x18, 0x18, 0x3c, 0x00 },
168  { 0x30, 0x18, 0x00, 0x38, 0x18, 0x18, 0x3c, 0x00 },
169  { 0xc6, 0x38, 0x6c, 0xc6, 0xfe, 0xc6, 0xc6, 0x00 },
170  { 0x38, 0x6c, 0x7c, 0xc6, 0xfe, 0xc6, 0xc6, 0x00 },
171  { 0x18, 0x30, 0xfe, 0xc0, 0xf8, 0xc0, 0xfe, 0x00 },
172  { 0x00, 0x00, 0x7e, 0x18, 0x7e, 0xd8, 0x7e, 0x00 },
173  { 0x3e, 0x6c, 0xcc, 0xfe, 0xcc, 0xcc, 0xce, 0x00 },
174  { 0x7c, 0x82, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0x00 },
175  { 0xc6, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0x00 },
176  { 0x30, 0x18, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0x00 },
177  { 0x78, 0x84, 0x00, 0xcc, 0xcc, 0xcc, 0x76, 0x00 },
178  { 0x60, 0x30, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00 },
179  { 0xc6, 0x00, 0xc6, 0xc6, 0xc6, 0x7e, 0x06, 0xfc },
180  { 0xc6, 0x38, 0x6c, 0xc6, 0xc6, 0x6c, 0x38, 0x00 },
181  { 0xc6, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00 },
182  { 0x18, 0x18, 0x7e, 0xc0, 0xc0, 0x7e, 0x18, 0x18 },
183  { 0x38, 0x6c, 0x64, 0xf0, 0x60, 0x66, 0xfc, 0x00 },
184  { 0x66, 0x66, 0x3c, 0x7e, 0x18, 0x7e, 0x18, 0x18 },
185  { 0xf8, 0xcc, 0xcc, 0xfa, 0xc6, 0xcf, 0xc6, 0xc7 },
186  { 0x0e, 0x1b, 0x18, 0x3c, 0x18, 0xd8, 0x70, 0x00 },
187  { 0x18, 0x30, 0x78, 0x0c, 0x7c, 0xcc, 0x76, 0x00 },
188  { 0x0c, 0x18, 0x00, 0x38, 0x18, 0x18, 0x3c, 0x00 },
189  { 0x0c, 0x18, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0x00 },
190  { 0x18, 0x30, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00 },
191  { 0x76, 0xdc, 0x00, 0xdc, 0x66, 0x66, 0x66, 0x00 },
192  { 0x76, 0xdc, 0x00, 0xe6, 0xf6, 0xde, 0xce, 0x00 },
193  { 0x3c, 0x6c, 0x6c, 0x3e, 0x00, 0x7e, 0x00, 0x00 },
194  { 0x38, 0x6c, 0x6c, 0x38, 0x00, 0x7c, 0x00, 0x00 },
195  { 0x18, 0x00, 0x18, 0x18, 0x30, 0x63, 0x3e, 0x00 },
196  { 0x00, 0x00, 0x00, 0xfe, 0xc0, 0xc0, 0x00, 0x00 },
197  { 0x00, 0x00, 0x00, 0xfe, 0x06, 0x06, 0x00, 0x00 },
198  { 0x63, 0xe6, 0x6c, 0x7e, 0x33, 0x66, 0xcc, 0x0f },
199  { 0x63, 0xe6, 0x6c, 0x7a, 0x36, 0x6a, 0xdf, 0x06 },
200  { 0x18, 0x00, 0x18, 0x18, 0x3c, 0x3c, 0x18, 0x00 },
201  { 0x00, 0x33, 0x66, 0xcc, 0x66, 0x33, 0x00, 0x00 },
202  { 0x00, 0xcc, 0x66, 0x33, 0x66, 0xcc, 0x00, 0x00 },
203  { 0x22, 0x88, 0x22, 0x88, 0x22, 0x88, 0x22, 0x88 },
204  { 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa },
205  { 0x77, 0xdd, 0x77, 0xdd, 0x77, 0xdd, 0x77, 0xdd },
206  { 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18 },
207  { 0x18, 0x18, 0x18, 0x18, 0xf8, 0x18, 0x18, 0x18 },
208  { 0x18, 0x18, 0xf8, 0x18, 0xf8, 0x18, 0x18, 0x18 },
209  { 0x36, 0x36, 0x36, 0x36, 0xf6, 0x36, 0x36, 0x36 },
210  { 0x00, 0x00, 0x00, 0x00, 0xfe, 0x36, 0x36, 0x36 },
211  { 0x00, 0x00, 0xf8, 0x18, 0xf8, 0x18, 0x18, 0x18 },
212  { 0x36, 0x36, 0xf6, 0x06, 0xf6, 0x36, 0x36, 0x36 },
213  { 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36 },
214  { 0x00, 0x00, 0xfe, 0x06, 0xf6, 0x36, 0x36, 0x36 },
215  { 0x36, 0x36, 0xf6, 0x06, 0xfe, 0x00, 0x00, 0x00 },
216  { 0x36, 0x36, 0x36, 0x36, 0xfe, 0x00, 0x00, 0x00 },
217  { 0x18, 0x18, 0xf8, 0x18, 0xf8, 0x00, 0x00, 0x00 },
218  { 0x00, 0x00, 0x00, 0x00, 0xf8, 0x18, 0x18, 0x18 },
219  { 0x18, 0x18, 0x18, 0x18, 0x1f, 0x00, 0x00, 0x00 },
220  { 0x18, 0x18, 0x18, 0x18, 0xff, 0x00, 0x00, 0x00 },
221  { 0x00, 0x00, 0x00, 0x00, 0xff, 0x18, 0x18, 0x18 },
222  { 0x18, 0x18, 0x18, 0x18, 0x1f, 0x18, 0x18, 0x18 },
223  { 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00 },
224  { 0x18, 0x18, 0x18, 0x18, 0xff, 0x18, 0x18, 0x18 },
225  { 0x18, 0x18, 0x1f, 0x18, 0x1f, 0x18, 0x18, 0x18 },
226  { 0x36, 0x36, 0x36, 0x36, 0x37, 0x36, 0x36, 0x36 },
227  { 0x36, 0x36, 0x37, 0x30, 0x3f, 0x00, 0x00, 0x00 },
228  { 0x00, 0x00, 0x3f, 0x30, 0x37, 0x36, 0x36, 0x36 },
229  { 0x36, 0x36, 0xf7, 0x00, 0xff, 0x00, 0x00, 0x00 },
230  { 0x00, 0x00, 0xff, 0x00, 0xf7, 0x36, 0x36, 0x36 },
231  { 0x36, 0x36, 0x37, 0x30, 0x37, 0x36, 0x36, 0x36 },
232  { 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00 },
233  { 0x36, 0x36, 0xf7, 0x00, 0xf7, 0x36, 0x36, 0x36 },
234  { 0x18, 0x18, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00 },
235  { 0x36, 0x36, 0x36, 0x36, 0xff, 0x00, 0x00, 0x00 },
236  { 0x00, 0x00, 0xff, 0x00, 0xff, 0x18, 0x18, 0x18 },
237  { 0x00, 0x00, 0x00, 0x00, 0xff, 0x36, 0x36, 0x36 },
238  { 0x36, 0x36, 0x36, 0x36, 0x3f, 0x00, 0x00, 0x00 },
239  { 0x18, 0x18, 0x1f, 0x18, 0x1f, 0x00, 0x00, 0x00 },
240  { 0x00, 0x00, 0x1f, 0x18, 0x1f, 0x18, 0x18, 0x18 },
241  { 0x00, 0x00, 0x00, 0x00, 0x3f, 0x36, 0x36, 0x36 },
242  { 0x36, 0x36, 0x36, 0x36, 0xff, 0x36, 0x36, 0x36 },
243  { 0x18, 0x18, 0xff, 0x18, 0xff, 0x18, 0x18, 0x18 },
244  { 0x18, 0x18, 0x18, 0x18, 0xf8, 0x00, 0x00, 0x00 },
245  { 0x00, 0x00, 0x00, 0x00, 0x1f, 0x18, 0x18, 0x18 },
246  { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
247  { 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff },
248  { 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0 },
249  { 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f },
250  { 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 },
251  { 0x00, 0x00, 0x76, 0xdc, 0xc8, 0xdc, 0x76, 0x00 },
252  { 0x78, 0xcc, 0xcc, 0xd8, 0xcc, 0xc6, 0xcc, 0x00 },
253  { 0xfe, 0xc6, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00 },
254  { 0x00, 0x00, 0xfe, 0x6c, 0x6c, 0x6c, 0x6c, 0x00 },
255  { 0xfe, 0xc6, 0x60, 0x30, 0x60, 0xc6, 0xfe, 0x00 },
256  { 0x00, 0x00, 0x7e, 0xd8, 0xd8, 0xd8, 0x70, 0x00 },
257  { 0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x7c, 0xc0 },
258  { 0x00, 0x76, 0xdc, 0x18, 0x18, 0x18, 0x18, 0x00 },
259  { 0x7e, 0x18, 0x3c, 0x66, 0x66, 0x3c, 0x18, 0x7e },
260  { 0x38, 0x6c, 0xc6, 0xfe, 0xc6, 0x6c, 0x38, 0x00 },
261  { 0x38, 0x6c, 0xc6, 0xc6, 0x6c, 0x6c, 0xee, 0x00 },
262  { 0x0e, 0x18, 0x0c, 0x3e, 0x66, 0x66, 0x3c, 0x00 },
263  { 0x00, 0x00, 0x7e, 0xdb, 0xdb, 0x7e, 0x00, 0x00 },
264  { 0x06, 0x0c, 0x7e, 0xdb, 0xdb, 0x7e, 0x60, 0xc0 },
265  { 0x1e, 0x30, 0x60, 0x7e, 0x60, 0x30, 0x1e, 0x00 },
266  { 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00 },
267  { 0x00, 0xfe, 0x00, 0xfe, 0x00, 0xfe, 0x00, 0x00 },
268  { 0x18, 0x18, 0x7e, 0x18, 0x18, 0x00, 0x7e, 0x00 },
269  { 0x30, 0x18, 0x0c, 0x18, 0x30, 0x00, 0x7e, 0x00 },
270  { 0x0c, 0x18, 0x30, 0x18, 0x0c, 0x00, 0x7e, 0x00 },
271  { 0x0e, 0x1b, 0x1b, 0x18, 0x18, 0x18, 0x18, 0x18 },
272  { 0x18, 0x18, 0x18, 0x18, 0x18, 0xd8, 0xd8, 0x70 },
273  { 0x00, 0x18, 0x00, 0x7e, 0x00, 0x18, 0x00, 0x00 },
274  { 0x00, 0x76, 0xdc, 0x00, 0x76, 0xdc, 0x00, 0x00 },
275  { 0x38, 0x6c, 0x6c, 0x38, 0x00, 0x00, 0x00, 0x00 },
276  { 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00 },
277  { 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00 },
278  { 0x0f, 0x0c, 0x0c, 0x0c, 0xec, 0x6c, 0x3c, 0x1c },
279  { 0x6c, 0x36, 0x36, 0x36, 0x36, 0x00, 0x00, 0x00 },
280  { 0x78, 0x0c, 0x18, 0x30, 0x7c, 0x00, 0x00, 0x00 },
281  { 0x00, 0x00, 0x3c, 0x3c, 0x3c, 0x3c, 0x00, 0x00 },
282  { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
283 } ;
284 
285 unsigned int * Gr::Glyph::row( char c )
286 {
287  size_t index = static_cast<size_t>(static_cast<unsigned char>(c)) ;
288  G_ASSERT( index <= 0xffU ) ;
289  index = index & 0xffU ;
290  return font_data[index] ;
291 }
292 
293 std::vector<std::vector<bool> > Gr::Glyph::matrix( char c )
294 {
295  typedef std::vector<std::vector<bool> > matrix_t ;
296 
297  matrix_t matrix ;
298  unsigned int * row_data = row( c ) ;
299  for( int dy = 0 ; dy < 8 ; dy++ )
300  {
301  matrix.push_back( std::vector<bool>() ) ;
302  unsigned int bits = row_data[dy] ;
303  unsigned int mask = 256U ;
304  for( int dx = 0 ; dx < 8 ; dx++ )
305  {
306  mask >>= 1 ;
307  matrix.back().push_back( (bits & mask) != 0U ) ;
308  }
309  }
310  return matrix ;
311 }
312 
313 bool Gr::Glyph::point( char c , unsigned int x , unsigned int y )
314 {
315  unsigned int bits = row(c)[y] ;
316  unsigned int mask = 256U >> x ;
317  return ( bits & mask ) != 0U ;
318 }
319 
320 /// \file grglyph.cpp
Gr::Glyph::matrix
static matrix_type matrix(char c)
Returns a glyph matrix for the given character.
Definition: grglyph.cpp:293