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* Copyright (C) 2011 Tim Marston <tim@ed.am> and Dan Marston.
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* This file is part of propeller-clock (hereafter referred to as "this
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* program"). See http://ed.am/dev/software/arduino/propeller-clock for more
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "text_renderer.h"
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#include <avr/pgmspace.h>
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static char _glyph_cache[ 8 ];
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// the character the current cached glyph is for
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static char _glyph_cache_char;
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static unsigned char _output_buffer;
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// does buffer need rendering?
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static bool _need_render;
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void cache_glyph( char c )
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static char fonts[][ 66 * 8 ] PROGMEM = {
51
0x00, 0x7c, 0x7e, 0x12, 0x12, 0x12, 0x7e, 0x7c, // A
52
0x00, 0x7e, 0x7e, 0x4a, 0x4a, 0x4a, 0x7e, 0x34, // B
53
0x00, 0x3c, 0x7e, 0x42, 0x42, 0x42, 0x66, 0x24, // C
54
0x00, 0x7e, 0x7e, 0x42, 0x42, 0x66, 0x3c, 0x18, // D
55
0x00, 0x7e, 0x7e, 0x4a, 0x4a, 0x4a, 0x42, 0x00, // E
56
0x00, 0x7e, 0x7e, 0x0a, 0x0a, 0x0a, 0x02, 0x00, // F
57
0x00, 0x3c, 0x7e, 0x42, 0x52, 0x52, 0x76, 0x34, // G
58
0x00, 0x7e, 0x7e, 0x08, 0x08, 0x08, 0x7e, 0x7e, // H
59
0x00, 0x42, 0x42, 0x7e, 0x7e, 0x42, 0x42, 0x00, // I
60
0x00, 0x30, 0x70, 0x40, 0x40, 0x40, 0x7e, 0x3e, // J
61
0x00, 0x7e, 0x7e, 0x08, 0x1c, 0x36, 0x62, 0x40, // K
62
0x00, 0x7e, 0x7e, 0x40, 0x40, 0x40, 0x40, 0x00, // L
63
0x00, 0x7e, 0x7e, 0x0c, 0x18, 0x0c, 0x7e, 0x7e, // M
64
0x00, 0x7e, 0x7e, 0x0c, 0x18, 0x30, 0x7e, 0x7e, // N
65
0x00, 0x3c, 0x7e, 0x42, 0x42, 0x42, 0x7e, 0x3c, // O
66
0x00, 0x7e, 0x7e, 0x12, 0x12, 0x12, 0x1e, 0x0c, // P
67
0x00, 0x3c, 0x7e, 0x52, 0x52, 0x62, 0x7e, 0x3c, // Q
68
0x00, 0x7e, 0x7e, 0x12, 0x12, 0x32, 0x7e, 0x4c, // R
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0x00, 0x24, 0x6e, 0x4a, 0x4a, 0x4a, 0x7a, 0x30, // S
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0x00, 0x02, 0x02, 0x7e, 0x7e, 0x02, 0x02, 0x00, // T
71
0x00, 0x3e, 0x7e, 0x40, 0x40, 0x40, 0x7e, 0x3e, // U
72
0x00, 0x1e, 0x3e, 0x60, 0x40, 0x60, 0x3e, 0x1e, // V
73
0x00, 0x3e, 0x7e, 0x60, 0x30, 0x60, 0x7e, 0x3e, // W
74
0x00, 0x42, 0x66, 0x3c, 0x18, 0x3c, 0x66, 0x42, // X
75
0x02, 0x06, 0x0c, 0x78, 0x78, 0x0c, 0x06, 0x02, // Y
76
0x00, 0x42, 0x62, 0x72, 0x5a, 0x4e, 0x46, 0x42, // Z
77
0x00, 0x20, 0x74, 0x54, 0x54, 0x7c, 0x78, 0x00, // a
78
0x00, 0x00, 0x7e, 0x7e, 0x48, 0x48, 0x78, 0x30, // b
79
0x00, 0x00, 0x38, 0x7c, 0x44, 0x44, 0x00, 0x00, // c
80
0x00, 0x30, 0x78, 0x48, 0x48, 0x7e, 0x7e, 0x00, // d
81
0x00, 0x38, 0x7c, 0x54, 0x54, 0x5c, 0x08, 0x00, // e
82
0x00, 0x00, 0x7c, 0x7e, 0x0a, 0x02, 0x00, 0x00, // f
83
0x00, 0x18, 0xbc, 0xa4, 0xa4, 0xfc, 0x7c, 0x00, // g
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0x00, 0x7e, 0x7e, 0x08, 0x08, 0x78, 0x70, 0x00, // h
85
0x00, 0x00, 0x48, 0x7a, 0x7a, 0x40, 0x00, 0x00, // i
86
0x00, 0x00, 0x40, 0xc0, 0x80, 0xfa, 0x7a, 0x00, // j
87
0x00, 0x00, 0x7e, 0x7e, 0x10, 0x3c, 0x64, 0x40, // k
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0x00, 0x00, 0x00, 0x3e, 0x7e, 0x40, 0x40, 0x00, // l
89
0x7c, 0x7c, 0x04, 0x78, 0x7c, 0x04, 0x7c, 0x78, // m
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0x00, 0x7c, 0x7c, 0x04, 0x04, 0x7c, 0x78, 0x00, // n
91
0x00, 0x38, 0x7c, 0x44, 0x44, 0x7c, 0x38, 0x00, // o
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0x00, 0xfc, 0xfc, 0x24, 0x24, 0x3c, 0x18, 0x00, // p
93
0x00, 0x18, 0x3c, 0x24, 0x24, 0xfc, 0xfc, 0x80, // q
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0x00, 0x00, 0x78, 0x7c, 0x04, 0x04, 0x00, 0x00, // r
95
0x00, 0x48, 0x5c, 0x54, 0x54, 0x74, 0x20, 0x00, // s
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0x00, 0x04, 0x3e, 0x7e, 0x44, 0x44, 0x00, 0x00, // t
97
0x00, 0x3c, 0x7c, 0x40, 0x40, 0x7c, 0x3c, 0x00, // u
98
0x00, 0x0c, 0x3c, 0x70, 0x60, 0x3c, 0x0c, 0x00, // v
99
0x3c, 0x7c, 0x40, 0x30, 0x40, 0x7c, 0x3c, 0x00, // w
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0x00, 0x44, 0x6c, 0x38, 0x38, 0x6c, 0x44, 0x00, // x
101
0x00, 0x1c, 0xbc, 0xa0, 0xa0, 0xfc, 0x7c, 0x00, // y
102
0x00, 0x44, 0x64, 0x74, 0x5c, 0x4c, 0x44, 0x00, // z
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0x00, 0x3c, 0x7e, 0x52, 0x4a, 0x46, 0x7e, 0x3c, // 0
104
0x00, 0x00, 0x44, 0x44, 0x7e, 0x7e, 0x40, 0x40, // 1
105
0x00, 0x64, 0x76, 0x52, 0x52, 0x52, 0x5e, 0x4c, // 2
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0x00, 0x24, 0x66, 0x42, 0x4a, 0x4a, 0x7e, 0x34, // 3
107
0x00, 0x30, 0x28, 0x24, 0x7e, 0x7e, 0x20, 0x20, // 4
108
0x00, 0x2e, 0x6e, 0x4a, 0x4a, 0x4a, 0x7a, 0x32, // 5
109
0x00, 0x3c, 0x7e, 0x4a, 0x4a, 0x4a, 0x7a, 0x30, // 6
110
0x00, 0x02, 0x02, 0x62, 0x72, 0x1a, 0x0e, 0x06, // 7
111
0x00, 0x34, 0x7e, 0x4a, 0x4a, 0x4a, 0x7e, 0x34, // 8
112
0x00, 0x0c, 0x5e, 0x52, 0x52, 0x52, 0x7e, 0x3c, // 9
113
0x00, 0x00, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00, // -
114
0x00, 0x00, 0x00, 0x6c, 0x6c, 0x00, 0x00, 0x00, // :
115
0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x00, 0x00, // .
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0x00, 0x00, 0x00, 0x80, 0xe0, 0x60, 0x00, 0x00, // ,
118
0x00, 0x7f, 0x7f, 0x09, 0x09, 0x09, 0x7f, 0x7f, // A
119
0x00, 0x7f, 0x7f, 0x49, 0x49, 0x49, 0x7f, 0x77, // B
120
0x00, 0x7f, 0x7f, 0x41, 0x41, 0x41, 0x77, 0x77, // C
121
0x00, 0x7f, 0x7f, 0x41, 0x41, 0x41, 0x7f, 0x3e, // D
122
0x00, 0x7f, 0x7f, 0x49, 0x49, 0x49, 0x63, 0x63, // E
123
0x00, 0x7f, 0x7f, 0x09, 0x09, 0x09, 0x03, 0x03, // F
124
0x00, 0x7f, 0x7f, 0x41, 0x49, 0x49, 0x7b, 0x7b, // G
125
0x00, 0x7f, 0x7f, 0x08, 0x08, 0x08, 0x7f, 0x7f, // H
126
0x00, 0x41, 0x41, 0x7f, 0x7f, 0x41, 0x41, 0x00, // I
127
0x00, 0x60, 0x60, 0x40, 0x40, 0x40, 0x7f, 0x7f, // J
128
0x00, 0x7f, 0x7f, 0x08, 0x08, 0x08, 0x7f, 0x77, // K
129
0x00, 0x7f, 0x7f, 0x40, 0x40, 0x40, 0x60, 0x60, // L
130
0x00, 0x7f, 0x7f, 0x02, 0x04, 0x02, 0x7f, 0x7f, // M
131
0x00, 0x7f, 0x7f, 0x06, 0x0c, 0x18, 0x7f, 0x7f, // N
132
0x00, 0x7f, 0x7f, 0x41, 0x41, 0x41, 0x7f, 0x7f, // O
133
0x00, 0x7f, 0x7f, 0x09, 0x09, 0x09, 0x0f, 0x0f, // P
134
0x00, 0x7f, 0x7f, 0x41, 0x51, 0x21, 0x7f, 0x7f, // Q
135
0x00, 0x7f, 0x7f, 0x09, 0x09, 0x09, 0x7f, 0x77, // R
136
0x00, 0x6f, 0x6f, 0x49, 0x49, 0x49, 0x7b, 0x7b, // S
137
0x00, 0x01, 0x01, 0x7f, 0x7f, 0x01, 0x01, 0x00, // T
138
0x00, 0x7f, 0x7f, 0x40, 0x40, 0x40, 0x7f, 0x7f, // U
139
0x00, 0x1f, 0x3f, 0x60, 0x40, 0x60, 0x3f, 0x1f, // V
140
0x00, 0x7f, 0x7f, 0x20, 0x10, 0x20, 0x7f, 0x7f, // W
141
0x00, 0x77, 0x7f, 0x08, 0x08, 0x08, 0x7f, 0x77, // X
142
0x00, 0x6f, 0x6f, 0x48, 0x48, 0x48, 0x7f, 0x7f, // Y
143
0x00, 0x63, 0x73, 0x59, 0x4d, 0x47, 0x63, 0x61, // Z
144
0x00, 0x74, 0x74, 0x54, 0x54, 0x7c, 0x7c, 0x00, // a
145
0x00, 0x7f, 0x7f, 0x44, 0x44, 0x7c, 0x7c, 0x00, // b
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0x00, 0x7c, 0x7c, 0x44, 0x44, 0x6c, 0x6c, 0x00, // c
147
0x00, 0x7c, 0x7c, 0x44, 0x44, 0x7f, 0x7f, 0x00, // d
148
0x00, 0x7c, 0x7c, 0x54, 0x54, 0x5c, 0x5c, 0x00, // e
149
0x00, 0x00, 0x04, 0x7f, 0x7f, 0x05, 0x05, 0x01, // f
150
0x00, 0xbc, 0xbc, 0xa4, 0xa4, 0xfc, 0xfc, 0x00, // g
151
0x00, 0x7f, 0x7f, 0x04, 0x04, 0x7c, 0x7c, 0x00, // h
152
0x00, 0x44, 0x44, 0x7d, 0x7d, 0x40, 0x40, 0x00, // i
153
0x00, 0x80, 0x80, 0xfd, 0xfd, 0x00, 0x00, 0x00, // j
154
0x00, 0x7f, 0x7f, 0x10, 0x10, 0x7c, 0x6c, 0x00, // k
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0x00, 0x00, 0x00, 0x7f, 0x7f, 0x40, 0x40, 0x00, // l
156
0x00, 0x7c, 0x7c, 0x04, 0x7c, 0x04, 0x7c, 0x7c, // m
157
0x00, 0x7c, 0x7c, 0x04, 0x04, 0x7c, 0x7c, 0x00, // n
158
0x00, 0x7c, 0x7c, 0x44, 0x44, 0x7c, 0x7c, 0x00, // o
159
0x00, 0xfc, 0xfc, 0x24, 0x24, 0x3c, 0x3c, 0x00, // p
160
0x00, 0x3c, 0x3c, 0x24, 0x24, 0xfc, 0xfc, 0x00, // q
161
0x00, 0x7c, 0x7c, 0x04, 0x04, 0x0c, 0x0c, 0x00, // r
162
0x00, 0x5c, 0x5c, 0x54, 0x54, 0x74, 0x74, 0x00, // s
163
0x00, 0x00, 0x04, 0x7f, 0x7f, 0x44, 0x44, 0x00, // t
164
0x00, 0x7c, 0x7c, 0x40, 0x40, 0x7c, 0x7c, 0x00, // u
165
0x00, 0x1c, 0x3c, 0x60, 0x60, 0x3c, 0x1c, 0x00, // v
166
0x00, 0x7c, 0x7c, 0x40, 0x7c, 0x40, 0x7c, 0x7c, // w
167
0x00, 0x6c, 0x7c, 0x10, 0x10, 0x7c, 0x6c, 0x00, // x
168
0x00, 0xbc, 0xbc, 0xa0, 0xa0, 0xfc, 0xfc, 0x00, // y
169
0x00, 0x64, 0x74, 0x54, 0x54, 0x5c, 0x4c, 0x00, // z
170
0x00, 0x7f, 0x7f, 0x51, 0x49, 0x45, 0x7f, 0x7f, // 0
171
0x00, 0x41, 0x41, 0x7f, 0x7f, 0x40, 0x40, 0x00, // 1
172
0x00, 0x7b, 0x7b, 0x49, 0x49, 0x49, 0x4f, 0x4f, // 2
173
0x00, 0x63, 0x63, 0x49, 0x49, 0x49, 0x7f, 0x7f, // 3
174
0x00, 0x1f, 0x1f, 0x10, 0x10, 0x7f, 0x7f, 0x10, // 4
175
0x00, 0x6f, 0x6f, 0x49, 0x49, 0x49, 0x79, 0x79, // 5
176
0x00, 0x7f, 0x7f, 0x49, 0x49, 0x49, 0x7b, 0x7b, // 6
177
0x00, 0x03, 0x03, 0x71, 0x79, 0x0d, 0x07, 0x03, // 7
178
0x00, 0x7f, 0x7f, 0x49, 0x49, 0x49, 0x7f, 0x7f, // 8
179
0x00, 0x6f, 0x6f, 0x49, 0x49, 0x49, 0x7f, 0x7f, // 9
180
0x00, 0x00, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00, // -
181
0x00, 0x00, 0x00, 0x66, 0x66, 0x00, 0x00, 0x00, // :
182
0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x00, 0x00, // .
183
0x00, 0x00, 0x80, 0xe0, 0x60, 0x00, 0x00, 0x00, // ,
185
0x7c, 0x7e, 0x22, 0x7e, 0x7e, 0x7e, 0x7c, 0x00, // A
186
0x7c, 0x7e, 0x7e, 0x7e, 0x4a, 0x7e, 0x34, 0x00, // B
187
0x3c, 0x7e, 0x7e, 0x7e, 0x42, 0x76, 0x34, 0x00, // C
188
0x7c, 0x7e, 0x7e, 0x7e, 0x42, 0x7e, 0x3c, 0x00, // D
189
0x3c, 0x7e, 0x7e, 0x7e, 0x4a, 0x4a, 0x00, 0x00, // E
190
0x7c, 0x7e, 0x7e, 0x7e, 0x12, 0x12, 0x00, 0x00, // F
191
0x3c, 0x7e, 0x7e, 0x7e, 0x52, 0x76, 0x34, 0x00, // G
192
0x7e, 0x7e, 0x7e, 0x7e, 0x08, 0x7e, 0x7e, 0x00, // H
193
0x00, 0x42, 0x7e, 0x7e, 0x7e, 0x7e, 0x42, 0x00, // I
194
0x30, 0x70, 0x42, 0x7e, 0x7e, 0x7e, 0x3e, 0x00, // J
195
0x7e, 0x7e, 0x7e, 0x7e, 0x08, 0x76, 0x62, 0x00, // K
196
0x00, 0x3e, 0x7e, 0x7e, 0x7e, 0x40, 0x40, 0x00, // L
197
0x7e, 0x7e, 0x7e, 0x7c, 0x08, 0x7c, 0x7e, 0x00, // M
198
0x7e, 0x7e, 0x7e, 0x7c, 0x08, 0x7e, 0x7e, 0x00, // N
199
0x3c, 0x7e, 0x7e, 0x7e, 0x42, 0x7e, 0x3c, 0x00, // O
200
0x7c, 0x7e, 0x7e, 0x7e, 0x12, 0x1e, 0x0c, 0x00, // P
201
0x3c, 0x7e, 0x7e, 0x7e, 0x42, 0xfe, 0xbc, 0x00, // Q
202
0x7c, 0x7e, 0x7e, 0x7e, 0x12, 0x7e, 0x6c, 0x00, // R
203
0x24, 0x6e, 0x5e, 0x7e, 0x7a, 0x76, 0x24, 0x00, // S
204
0x00, 0x02, 0x7e, 0x7e, 0x7e, 0x7e, 0x02, 0x00, // T
205
0x3e, 0x7e, 0x7e, 0x7e, 0x40, 0x7e, 0x3e, 0x00, // U
206
0x1e, 0x3e, 0x7e, 0x7e, 0x40, 0x3e, 0x1e, 0x00, // V
207
0x3e, 0x7e, 0x7e, 0x7e, 0x20, 0x7e, 0x3e, 0x00, // W
208
0x42, 0x66, 0x3e, 0x7e, 0x7c, 0x66, 0x42, 0x00, // X
209
0x06, 0x0e, 0x7e, 0x7e, 0x70, 0x0e, 0x06, 0x00, // Y
210
0x62, 0x72, 0x7a, 0x7e, 0x5e, 0x4e, 0x46, 0x00, // Z
211
0x38, 0x7c, 0x44, 0x3c, 0x7c, 0x7c, 0x78, 0x00, // a
212
0x3f, 0x7f, 0x7f, 0x7f, 0x44, 0x7c, 0x38, 0x00, // b
213
0x38, 0x7c, 0x7c, 0x7c, 0x44, 0x6c, 0x28, 0x00, // c
214
0x38, 0x7c, 0x44, 0x3f, 0x7f, 0x7f, 0x7f, 0x00, // d
215
0x38, 0x7c, 0x7c, 0x7c, 0x54, 0x5c, 0x28, 0x00, // e
216
0x88, 0xfe, 0xff, 0xff, 0x7f, 0x09, 0x0a, 0x00, // f
217
0x58, 0xbc, 0xa4, 0xfc, 0xfc, 0xfc, 0x78, 0x00, // g
218
0x7f, 0x7f, 0x7f, 0x7f, 0x04, 0x7c, 0x78, 0x00, // h
219
0x00, 0x00, 0x7a, 0x7f, 0x7f, 0x7a, 0x00, 0x00, // i
220
0x00, 0x80, 0xfa, 0xff, 0xff, 0x7a, 0x00, 0x00, // j
221
0x7f, 0x7f, 0x7f, 0x7f, 0x24, 0x7c, 0x58, 0x00, // k
222
0x00, 0x00, 0x3f, 0x7f, 0x7f, 0x7f, 0x40, 0x00, // l
223
0x78, 0x7c, 0x7c, 0x04, 0x7c, 0x04, 0x7c, 0x78, // m
224
0x7c, 0x7c, 0x7c, 0x78, 0x04, 0x7c, 0x78, 0x00, // n
225
0x38, 0x7c, 0x7c, 0x7c, 0x44, 0x7c, 0x38, 0x00, // o
226
0xfc, 0xfc, 0xfc, 0xf8, 0x44, 0x7c, 0x38, 0x00, // p
227
0x38, 0x7c, 0x44, 0xfc, 0xfc, 0xfc, 0xf8, 0x00, // q
228
0x7c, 0x7c, 0x7c, 0x7c, 0x04, 0x0c, 0x08, 0x00, // r
229
0x28, 0x5c, 0x5c, 0x7c, 0x74, 0x74, 0x28, 0x00, // s
230
0x04, 0x3e, 0x7e, 0x7e, 0x7e, 0x44, 0x24, 0x00, // t
231
0x3c, 0x7c, 0x40, 0x3c, 0x7c, 0x7c, 0x7c, 0x00, // u
232
0x1c, 0x3c, 0x7c, 0x7c, 0x60, 0x3c, 0x1c, 0x00, // v
233
0x3c, 0x7c, 0x7c, 0x40, 0x7c, 0x40, 0x7c, 0x3c, // w
234
0x44, 0x6c, 0x3c, 0x7c, 0x78, 0x6c, 0x44, 0x00, // x
235
0x9c, 0xbc, 0xfc, 0xfc, 0x60, 0x3c, 0x1c, 0x00, // y
236
0x64, 0x74, 0x3c, 0x7c, 0x5c, 0x4c, 0x24, 0x00, // z
237
0x3c, 0x7e, 0x42, 0x7e, 0x7e, 0x7e, 0x3c, 0x00, // 0
238
0x00, 0x42, 0x7e, 0x7e, 0x7e, 0x7e, 0x40, 0x00, // 1
239
0x64, 0x72, 0x7a, 0x7e, 0x5e, 0x4e, 0x44, 0x00, // 2
240
0x24, 0x66, 0x4a, 0x7e, 0x7e, 0x7e, 0x34, 0x00, // 3
241
0x0e, 0x1e, 0x10, 0x7e, 0x7e, 0x7e, 0x7e, 0x00, // 4
242
0x2e, 0x6e, 0x4e, 0x7a, 0x7a, 0x7a, 0x32, 0x00, // 5
243
0x3c, 0x7e, 0x7e, 0x7e, 0x4a, 0x7a, 0x34, 0x00, // 6
244
0x02, 0x62, 0x7a, 0x7e, 0x7e, 0x1e, 0x06, 0x00, // 7
245
0x34, 0x7e, 0x4e, 0x7e, 0x7a, 0x7e, 0x34, 0x00, // 8
246
0x2c, 0x5e, 0x52, 0x7e, 0x7e, 0x7e, 0x3c, 0x00, // 9
247
0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, // -
248
0x00, 0x00, 0x28, 0x7c, 0x7c, 0x28, 0x00, 0x00, // :
249
0x00, 0x00, 0x30, 0x78, 0x78, 0x30, 0x00, 0x00, // .
250
0x00, 0x00, 0x10, 0xb8, 0xf8, 0x70, 0x00, 0x00, // ,
252
0x00, 0x78, 0x7f, 0x09, 0x09, 0x0f, 0x78, 0x00, // A
253
0x00, 0x7f, 0x79, 0x49, 0x49, 0x4f, 0x78, 0x00, // B
254
0x00, 0x7f, 0x79, 0x41, 0x41, 0x41, 0x63, 0x00, // C
255
0x00, 0x7f, 0x79, 0x41, 0x41, 0x41, 0x7f, 0x00, // D
256
0x00, 0x00, 0x7f, 0x79, 0x49, 0x49, 0x41, 0x00, // E
257
0x00, 0x00, 0x7f, 0x79, 0x09, 0x09, 0x01, 0x00, // F
258
0x00, 0x7f, 0x79, 0x41, 0x41, 0x49, 0x7b, 0x00, // G
259
0x00, 0x7f, 0x78, 0x08, 0x08, 0x08, 0x7f, 0x00, // H
260
0x00, 0x00, 0x00, 0x7f, 0x78, 0x00, 0x00, 0x00, // I
261
0x00, 0x60, 0x40, 0x40, 0x40, 0x7f, 0x78, 0x00, // J
262
0x00, 0x7f, 0x78, 0x08, 0x08, 0x0f, 0x78, 0x00, // K
263
0x00, 0x00, 0x7f, 0x78, 0x40, 0x40, 0x40, 0x00, // L
264
0x00, 0x7f, 0x79, 0x01, 0x7f, 0x01, 0x7f, 0x00, // M
265
0x00, 0x7f, 0x79, 0x01, 0x01, 0x01, 0x7f, 0x00, // N
266
0x00, 0x7f, 0x41, 0x41, 0x41, 0x43, 0x7f, 0x00, // O
267
0x00, 0x7f, 0x79, 0x09, 0x09, 0x09, 0x0f, 0x00, // P
268
0x00, 0x7f, 0x41, 0x41, 0x61, 0x61, 0x7f, 0x00, // Q
269
0x00, 0x7f, 0x79, 0x09, 0x09, 0x0f, 0x78, 0x00, // R
270
0x00, 0x6f, 0x49, 0x49, 0x49, 0x79, 0x7b, 0x00, // S
271
0x00, 0x01, 0x01, 0x7f, 0x79, 0x01, 0x01, 0x00, // T
272
0x00, 0x7f, 0x78, 0x40, 0x40, 0x40, 0x7f, 0x00, // U
273
0x00, 0x0f, 0x7f, 0x40, 0x40, 0x78, 0x0f, 0x00, // V
274
0x00, 0x7f, 0x78, 0x40, 0x7f, 0x40, 0x7f, 0x00, // W
275
0x00, 0x77, 0x78, 0x08, 0x08, 0x08, 0x77, 0x00, // X
276
0x00, 0x0f, 0x08, 0x78, 0x78, 0x08, 0x0f, 0x00, // Y
277
0x00, 0x7b, 0x79, 0x49, 0x49, 0x49, 0x6f, 0x00, // Z
278
0x00, 0x74, 0x74, 0x54, 0x54, 0x7c, 0x00, 0x00, // a
279
0x00, 0x7f, 0x74, 0x44, 0x44, 0x7c, 0x00, 0x00, // b
280
0x00, 0x7c, 0x74, 0x44, 0x44, 0x6c, 0x00, 0x00, // c
281
0x00, 0x7c, 0x74, 0x44, 0x44, 0x7f, 0x00, 0x00, // d
282
0x00, 0x7c, 0x74, 0x54, 0x54, 0x5c, 0x00, 0x00, // e
283
0x00, 0x00, 0x04, 0x7f, 0x75, 0x01, 0x00, 0x00, // f
284
0x00, 0xbc, 0xb4, 0xa4, 0xa4, 0xfc, 0x00, 0x00, // g
285
0x00, 0x7f, 0x74, 0x04, 0x04, 0x7c, 0x00, 0x00, // h
286
0x00, 0x00, 0x00, 0x7d, 0x71, 0x00, 0x00, 0x00, // i
287
0x00, 0x00, 0x80, 0xbd, 0xf1, 0x00, 0x00, 0x00, // j
288
0x00, 0x7f, 0x70, 0x10, 0x1c, 0x70, 0x00, 0x00, // k
289
0x00, 0x00, 0x00, 0x7f, 0x78, 0x00, 0x00, 0x00, // l
290
0x00, 0x7c, 0x74, 0x04, 0x7c, 0x04, 0x7c, 0x00, // m
291
0x00, 0x7c, 0x74, 0x04, 0x04, 0x7c, 0x00, 0x00, // n
292
0x00, 0x7c, 0x74, 0x44, 0x44, 0x7c, 0x00, 0x00, // o
293
0x00, 0xfc, 0x34, 0x24, 0x24, 0x3c, 0x00, 0x00, // p
294
0x00, 0x3c, 0x34, 0x24, 0x24, 0xfc, 0x00, 0x00, // q
295
0x00, 0x00, 0x7c, 0x74, 0x04, 0x04, 0x00, 0x00, // r
296
0x00, 0x5c, 0x54, 0x54, 0x74, 0x74, 0x00, 0x00, // s
297
0x00, 0x00, 0x04, 0x7f, 0x74, 0x00, 0x00, 0x00, // t
298
0x00, 0x7c, 0x70, 0x40, 0x40, 0x7c, 0x00, 0x00, // u
299
0x00, 0x1c, 0x7c, 0x40, 0x70, 0x1c, 0x00, 0x00, // v
300
0x00, 0x7c, 0x70, 0x40, 0x7c, 0x40, 0x7c, 0x00, // w
301
0x00, 0x6c, 0x70, 0x10, 0x10, 0x6c, 0x00, 0x00, // x
302
0x00, 0xbc, 0xb0, 0xa0, 0xa0, 0xfc, 0x00, 0x00, // y
303
0x00, 0x74, 0x74, 0x54, 0x54, 0x5c, 0x00, 0x00, // z
304
0x00, 0x7f, 0x41, 0x41, 0x41, 0x79, 0x7f, 0x00, // 0
305
0x00, 0x00, 0x00, 0x78, 0x7f, 0x00, 0x00, 0x00, // 1
306
0x00, 0x7b, 0x79, 0x49, 0x49, 0x49, 0x4f, 0x00, // 2
307
0x00, 0x63, 0x49, 0x49, 0x49, 0x7f, 0x78, 0x00, // 3
308
0x00, 0x1f, 0x11, 0x11, 0x71, 0x7f, 0x10, 0x00, // 4
309
0x00, 0x6f, 0x49, 0x49, 0x49, 0x79, 0x79, 0x00, // 5
310
0x00, 0x7f, 0x49, 0x49, 0x49, 0x79, 0x7b, 0x00, // 6
311
0x00, 0x01, 0x01, 0x01, 0x79, 0x7f, 0x00, 0x00, // 7
312
0x00, 0x78, 0x4f, 0x49, 0x49, 0x7f, 0x78, 0x00, // 8
313
0x00, 0x1f, 0x11, 0x11, 0x11, 0x71, 0x7f, 0x00, // 9
314
0x00, 0x00, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, // -
315
0x00, 0x00, 0x00, 0x6c, 0x6c, 0x00, 0x00, 0x00, // :
316
0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x00, 0x00, // .
317
0x00, 0x00, 0x00, 0x60, 0xe0, 0x00, 0x00, 0x00, // ,
322
if( c == _glyph_cache_char )
324
_glyph_cache_char = c;
326
// find glyph data position
328
if( c >= 'A' && c <= 'Z' )
330
else if( c >= 'a' && c <= 'z' )
332
else if( c >= '0' && c <= '9' )
345
// space? or copy glyph from progmem?
347
memset( _glyph_cache, 0, 8 );
349
memcpy_P( _glyph_cache, &( fonts[ _font ][ pos * 8 ] ), 8 );
353
int TextRenderer::get_width( int message_len )
355
return message_len * 8 * TEXT_SCALE;
359
void TextRenderer::render( const char *message, int message_len, int x,
360
bool y_flip, int y_shift )
371
if( pos < message_len )
373
// ensure correct glyph is cached and pull out column of data
374
cache_glyph( message[ pos ] );
375
glyph_col = _glyph_cache[ x % 8 ];
381
for( int a = 7; a >= 0; a-- ) {
383
_output_buffer |= 1 << ( a + y_shift );
387
for( int a = 0; a < 8; a++ ) {
389
_output_buffer |= 1 << ( a + y_shift );
395
void TextRenderer::reset_buffer()
398
_need_render = false;
402
void TextRenderer::buffer_in_use()
408
void TextRenderer::output_buffer()
410
if( !_need_render ) return;
412
for( int a = 8; a >= 0; a-- ) {
413
led( a, ( _output_buffer & 1 )? true : false );
414
_output_buffer >>= 1;
420
int TextRenderer::get_font()
426
void TextRenderer::inc_font()