/elec/propeller-clock : revision 46

1

/*

2

* text_renderer.cc

3

*

4

5

*

6

* This file is part of propeller-clock (hereafter referred to as "this

7

* program"). See http://ed.am/dev/software/arduino/propeller-clock for more

8

* information.

9

*

10

* This program is free software: you can redistribute it and/or modify

11

* it under the terms of the GNU Lesser General Public License as published

12

* by the Free Software Foundation, either version 3 of the License, or

13

* (at your option) any later version.

14

*

15

* This program is distributed in the hope that it will be useful,

16

* but WITHOUT ANY WARRANTY; without even the implied warranty of

17

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

18

* GNU Lesser General Public License for more details.

19

*

20

* You should have received a copy of the GNU Lesser General Public License

21

* along with this program. If not, see <http://www.gnu.org/licenses/>.

22

*/

23

#include "text_renderer.h"

24

#include "config.h"

25

#include "Arduino.h"

26

#include <avr/pgmspace.h>

27

#include "display.h"

28

29

30

#define MAX_MESSAGE_LENGTH 64

31

32

33

// the buffer for the message

34

static char _message_buffer[ MAX_MESSAGE_LENGTH ];

35

36

// the current message

37

static PString _message( _message_buffer, sizeof( _message_buffer ) );

38

39

// cached glyph

40

static char _glyph_cache[ 8 ];

41

42

// the character the current cached glyph is for

43

static char _glyph_cache_char;

44

45

// selected font

46

static int _font = 0;

47

48

// time last frame

49

static unsigned long _last_millis;

50

51

// duration last frame (in case we can't calculate it this frame!)

52

static unsigned long _duration;

53

54

// scroll position (in segments )

55

static signed long _scroll;

56

57

58

// cache a glyph

59

void cache_glyph( char c )

60

{

61

static char fonts[][ 66 * 8 ] PROGMEM = {

62

{ // INVD-A

63

0x00, 0x7c, 0x7e, 0x12, 0x12, 0x12, 0x7e, 0x7c, // A

64

0x00, 0x7e, 0x7e, 0x4a, 0x4a, 0x4a, 0x7e, 0x34, // B

65

0x00, 0x3c, 0x7e, 0x42, 0x42, 0x42, 0x66, 0x24, // C

66

0x00, 0x7e, 0x7e, 0x42, 0x42, 0x66, 0x3c, 0x18, // D

67

0x00, 0x7e, 0x7e, 0x4a, 0x4a, 0x4a, 0x42, 0x00, // E

68

0x00, 0x7e, 0x7e, 0x0a, 0x0a, 0x0a, 0x02, 0x00, // F

69

0x00, 0x3c, 0x7e, 0x42, 0x52, 0x52, 0x76, 0x34, // G

70

0x00, 0x7e, 0x7e, 0x08, 0x08, 0x08, 0x7e, 0x7e, // H

71

0x00, 0x42, 0x42, 0x7e, 0x7e, 0x42, 0x42, 0x00, // I

72

0x00, 0x30, 0x70, 0x40, 0x40, 0x40, 0x7e, 0x3e, // J

73

0x00, 0x7e, 0x7e, 0x08, 0x1c, 0x36, 0x62, 0x40, // K

74

0x00, 0x7e, 0x7e, 0x40, 0x40, 0x40, 0x40, 0x00, // L

75

0x00, 0x7e, 0x7e, 0x0c, 0x18, 0x0c, 0x7e, 0x7e, // M

76

0x00, 0x7e, 0x7e, 0x0c, 0x18, 0x30, 0x7e, 0x7e, // N

77

0x00, 0x3c, 0x7e, 0x42, 0x42, 0x42, 0x7e, 0x3c, // O

78

0x00, 0x7e, 0x7e, 0x12, 0x12, 0x12, 0x1e, 0x0c, // P

79

0x00, 0x3c, 0x7e, 0x52, 0x52, 0x62, 0x7e, 0x3c, // Q

80

0x00, 0x7e, 0x7e, 0x12, 0x12, 0x32, 0x7e, 0x4c, // R

81

0x00, 0x24, 0x6e, 0x4a, 0x4a, 0x4a, 0x7a, 0x30, // S

82

0x00, 0x02, 0x02, 0x7e, 0x7e, 0x02, 0x02, 0x00, // T

83

0x00, 0x3e, 0x7e, 0x40, 0x40, 0x40, 0x7e, 0x3e, // U

84

0x00, 0x1e, 0x3e, 0x60, 0x40, 0x60, 0x3e, 0x1e, // V

85

0x00, 0x3e, 0x7e, 0x60, 0x30, 0x60, 0x7e, 0x3e, // W

86

0x00, 0x42, 0x66, 0x3c, 0x18, 0x3c, 0x66, 0x42, // X

87

0x02, 0x06, 0x0c, 0x78, 0x78, 0x0c, 0x06, 0x02, // Y

88

0x00, 0x42, 0x62, 0x72, 0x5a, 0x4e, 0x46, 0x42, // Z

89

0x00, 0x20, 0x74, 0x54, 0x54, 0x7c, 0x78, 0x00, // a

90

0x00, 0x00, 0x7e, 0x7e, 0x48, 0x48, 0x78, 0x30, // b

91

0x00, 0x00, 0x38, 0x7c, 0x44, 0x44, 0x00, 0x00, // c

92

0x00, 0x30, 0x78, 0x48, 0x48, 0x7e, 0x7e, 0x00, // d

93

0x00, 0x38, 0x7c, 0x54, 0x54, 0x5c, 0x08, 0x00, // e

94

0x00, 0x00, 0x7c, 0x7e, 0x0a, 0x02, 0x00, 0x00, // f

95

0x00, 0x18, 0xbc, 0xa4, 0xa4, 0xfc, 0x7c, 0x00, // g

96

0x00, 0x7e, 0x7e, 0x08, 0x08, 0x78, 0x70, 0x00, // h

97

0x00, 0x00, 0x48, 0x7a, 0x7a, 0x40, 0x00, 0x00, // i

98

0x00, 0x00, 0x40, 0xc0, 0x80, 0xfa, 0x7a, 0x00, // j

99

0x00, 0x00, 0x7e, 0x7e, 0x10, 0x3c, 0x64, 0x40, // k

100

0x00, 0x00, 0x00, 0x3e, 0x7e, 0x40, 0x40, 0x00, // l

101

0x7c, 0x7c, 0x04, 0x78, 0x7c, 0x04, 0x7c, 0x78, // m

102

0x00, 0x7c, 0x7c, 0x04, 0x04, 0x7c, 0x78, 0x00, // n

103

0x00, 0x38, 0x7c, 0x44, 0x44, 0x7c, 0x38, 0x00, // o

104

0x00, 0xfc, 0xfc, 0x24, 0x24, 0x3c, 0x18, 0x00, // p

105

0x00, 0x18, 0x3c, 0x24, 0x24, 0xfc, 0xfc, 0x80, // q

106

0x00, 0x00, 0x78, 0x7c, 0x04, 0x04, 0x00, 0x00, // r

107

0x00, 0x48, 0x5c, 0x54, 0x54, 0x74, 0x20, 0x00, // s

108

0x00, 0x04, 0x3e, 0x7e, 0x44, 0x44, 0x00, 0x00, // t

109

0x00, 0x3c, 0x7c, 0x40, 0x40, 0x7c, 0x3c, 0x00, // u

110

0x00, 0x0c, 0x3c, 0x70, 0x60, 0x3c, 0x0c, 0x00, // v

111

0x3c, 0x7c, 0x40, 0x30, 0x40, 0x7c, 0x3c, 0x00, // w

112

0x00, 0x44, 0x6c, 0x38, 0x38, 0x6c, 0x44, 0x00, // x

113

0x00, 0x1c, 0xbc, 0xa0, 0xa0, 0xfc, 0x7c, 0x00, // y

114

0x00, 0x44, 0x64, 0x74, 0x5c, 0x4c, 0x44, 0x00, // z

115

0x00, 0x3c, 0x7e, 0x52, 0x4a, 0x46, 0x7e, 0x3c, // 0

116

0x00, 0x00, 0x44, 0x44, 0x7e, 0x7e, 0x40, 0x40, // 1

117

0x00, 0x64, 0x76, 0x52, 0x52, 0x52, 0x5e, 0x4c, // 2

118

0x00, 0x24, 0x66, 0x42, 0x4a, 0x4a, 0x7e, 0x34, // 3

119

0x00, 0x30, 0x28, 0x24, 0x7e, 0x7e, 0x20, 0x20, // 4

120

0x00, 0x2e, 0x6e, 0x4a, 0x4a, 0x4a, 0x7a, 0x32, // 5

121

0x00, 0x3c, 0x7e, 0x4a, 0x4a, 0x4a, 0x7a, 0x30, // 6

122

0x00, 0x02, 0x02, 0x62, 0x72, 0x1a, 0x0e, 0x06, // 7

123

0x00, 0x34, 0x7e, 0x4a, 0x4a, 0x4a, 0x7e, 0x34, // 8

124

0x00, 0x0c, 0x5e, 0x52, 0x52, 0x52, 0x7e, 0x3c, // 9

125

0x00, 0x00, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00, // -

126

0x00, 0x00, 0x00, 0x6c, 0x6c, 0x00, 0x00, 0x00, // :

127

0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x00, 0x00, // .

128

0x00, 0x00, 0x00, 0x80, 0xe0, 0x60, 0x00, 0x00, // ,

129

}, { // INVD-D

130

0x00, 0x7f, 0x7f, 0x09, 0x09, 0x09, 0x7f, 0x7f, // A

131

0x00, 0x7f, 0x7f, 0x49, 0x49, 0x49, 0x7f, 0x77, // B

132

0x00, 0x7f, 0x7f, 0x41, 0x41, 0x41, 0x77, 0x77, // C

133

0x00, 0x7f, 0x7f, 0x41, 0x41, 0x41, 0x7f, 0x3e, // D

134

0x00, 0x7f, 0x7f, 0x49, 0x49, 0x49, 0x63, 0x63, // E

135

0x00, 0x7f, 0x7f, 0x09, 0x09, 0x09, 0x03, 0x03, // F

136

0x00, 0x7f, 0x7f, 0x41, 0x49, 0x49, 0x7b, 0x7b, // G

137

0x00, 0x7f, 0x7f, 0x08, 0x08, 0x08, 0x7f, 0x7f, // H

138

0x00, 0x41, 0x41, 0x7f, 0x7f, 0x41, 0x41, 0x00, // I

139

0x00, 0x60, 0x60, 0x40, 0x40, 0x40, 0x7f, 0x7f, // J

140

0x00, 0x7f, 0x7f, 0x08, 0x08, 0x08, 0x7f, 0x77, // K

141

0x00, 0x7f, 0x7f, 0x40, 0x40, 0x40, 0x60, 0x60, // L

142

0x00, 0x7f, 0x7f, 0x02, 0x04, 0x02, 0x7f, 0x7f, // M

143

0x00, 0x7f, 0x7f, 0x06, 0x0c, 0x18, 0x7f, 0x7f, // N

144

0x00, 0x7f, 0x7f, 0x41, 0x41, 0x41, 0x7f, 0x7f, // O

145

0x00, 0x7f, 0x7f, 0x09, 0x09, 0x09, 0x0f, 0x0f, // P

146

0x00, 0x7f, 0x7f, 0x41, 0x51, 0x21, 0x7f, 0x7f, // Q

147

0x00, 0x7f, 0x7f, 0x09, 0x09, 0x09, 0x7f, 0x77, // R

148

0x00, 0x6f, 0x6f, 0x49, 0x49, 0x49, 0x7b, 0x7b, // S

149

0x00, 0x01, 0x01, 0x7f, 0x7f, 0x01, 0x01, 0x00, // T

150

0x00, 0x7f, 0x7f, 0x40, 0x40, 0x40, 0x7f, 0x7f, // U

151

0x00, 0x1f, 0x3f, 0x60, 0x40, 0x60, 0x3f, 0x1f, // V

152

0x00, 0x7f, 0x7f, 0x20, 0x10, 0x20, 0x7f, 0x7f, // W

153

0x00, 0x77, 0x7f, 0x08, 0x08, 0x08, 0x7f, 0x77, // X

154

0x00, 0x6f, 0x6f, 0x48, 0x48, 0x48, 0x7f, 0x7f, // Y

155

0x00, 0x63, 0x73, 0x59, 0x4d, 0x47, 0x63, 0x61, // Z

156

0x00, 0x74, 0x74, 0x54, 0x54, 0x7c, 0x7c, 0x00, // a

157

0x00, 0x7f, 0x7f, 0x44, 0x44, 0x7c, 0x7c, 0x00, // b

158

0x00, 0x7c, 0x7c, 0x44, 0x44, 0x6c, 0x6c, 0x00, // c

159

0x00, 0x7c, 0x7c, 0x44, 0x44, 0x7f, 0x7f, 0x00, // d

160

0x00, 0x7c, 0x7c, 0x54, 0x54, 0x5c, 0x5c, 0x00, // e

161

0x00, 0x00, 0x04, 0x7f, 0x7f, 0x05, 0x05, 0x01, // f

162

0x00, 0xbc, 0xbc, 0xa4, 0xa4, 0xfc, 0xfc, 0x00, // g

163

0x00, 0x7f, 0x7f, 0x04, 0x04, 0x7c, 0x7c, 0x00, // h

164

0x00, 0x44, 0x44, 0x7d, 0x7d, 0x40, 0x40, 0x00, // i

165

0x00, 0x80, 0x80, 0xfd, 0xfd, 0x00, 0x00, 0x00, // j

166

0x00, 0x7f, 0x7f, 0x10, 0x10, 0x7c, 0x6c, 0x00, // k

167

0x00, 0x00, 0x00, 0x7f, 0x7f, 0x40, 0x40, 0x00, // l

168

0x00, 0x7c, 0x7c, 0x04, 0x7c, 0x04, 0x7c, 0x7c, // m

169

0x00, 0x7c, 0x7c, 0x04, 0x04, 0x7c, 0x7c, 0x00, // n

170

0x00, 0x7c, 0x7c, 0x44, 0x44, 0x7c, 0x7c, 0x00, // o

171

0x00, 0xfc, 0xfc, 0x24, 0x24, 0x3c, 0x3c, 0x00, // p

172

0x00, 0x3c, 0x3c, 0x24, 0x24, 0xfc, 0xfc, 0x00, // q

173

0x00, 0x7c, 0x7c, 0x04, 0x04, 0x0c, 0x0c, 0x00, // r

174

0x00, 0x5c, 0x5c, 0x54, 0x54, 0x74, 0x74, 0x00, // s

175

0x00, 0x00, 0x04, 0x7f, 0x7f, 0x44, 0x44, 0x00, // t

176

0x00, 0x7c, 0x7c, 0x40, 0x40, 0x7c, 0x7c, 0x00, // u

177

0x00, 0x1c, 0x3c, 0x60, 0x60, 0x3c, 0x1c, 0x00, // v

178

0x00, 0x7c, 0x7c, 0x40, 0x7c, 0x40, 0x7c, 0x7c, // w

179

0x00, 0x6c, 0x7c, 0x10, 0x10, 0x7c, 0x6c, 0x00, // x

180

0x00, 0xbc, 0xbc, 0xa0, 0xa0, 0xfc, 0xfc, 0x00, // y

181

0x00, 0x64, 0x74, 0x54, 0x54, 0x5c, 0x4c, 0x00, // z

182

0x00, 0x7f, 0x7f, 0x51, 0x49, 0x45, 0x7f, 0x7f, // 0

183

0x00, 0x41, 0x41, 0x7f, 0x7f, 0x40, 0x40, 0x00, // 1

184

0x00, 0x7b, 0x7b, 0x49, 0x49, 0x49, 0x4f, 0x4f, // 2

185

0x00, 0x63, 0x63, 0x49, 0x49, 0x49, 0x7f, 0x7f, // 3

186

0x00, 0x1f, 0x1f, 0x10, 0x10, 0x7f, 0x7f, 0x10, // 4

187

0x00, 0x6f, 0x6f, 0x49, 0x49, 0x49, 0x79, 0x79, // 5

188

0x00, 0x7f, 0x7f, 0x49, 0x49, 0x49, 0x7b, 0x7b, // 6

189

0x00, 0x03, 0x03, 0x71, 0x79, 0x0d, 0x07, 0x03, // 7

190

0x00, 0x7f, 0x7f, 0x49, 0x49, 0x49, 0x7f, 0x7f, // 8

191

0x00, 0x6f, 0x6f, 0x49, 0x49, 0x49, 0x7f, 0x7f, // 9

192

0x00, 0x00, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00, // -

193

0x00, 0x00, 0x00, 0x66, 0x66, 0x00, 0x00, 0x00, // :

194

0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x00, 0x00, // .

195

0x00, 0x00, 0x80, 0xe0, 0x60, 0x00, 0x00, 0x00, // ,

196

}, { // INVD-G

197

0x7c, 0x7e, 0x22, 0x7e, 0x7e, 0x7e, 0x7c, 0x00, // A

198

0x7c, 0x7e, 0x7e, 0x7e, 0x4a, 0x7e, 0x34, 0x00, // B

199

0x3c, 0x7e, 0x7e, 0x7e, 0x42, 0x76, 0x34, 0x00, // C

200

0x7c, 0x7e, 0x7e, 0x7e, 0x42, 0x7e, 0x3c, 0x00, // D

201

0x3c, 0x7e, 0x7e, 0x7e, 0x4a, 0x4a, 0x00, 0x00, // E

202

0x7c, 0x7e, 0x7e, 0x7e, 0x12, 0x12, 0x00, 0x00, // F

203

0x3c, 0x7e, 0x7e, 0x7e, 0x52, 0x76, 0x34, 0x00, // G

204

0x7e, 0x7e, 0x7e, 0x7e, 0x08, 0x7e, 0x7e, 0x00, // H

205

0x00, 0x42, 0x7e, 0x7e, 0x7e, 0x7e, 0x42, 0x00, // I

206

0x30, 0x70, 0x42, 0x7e, 0x7e, 0x7e, 0x3e, 0x00, // J

207

0x7e, 0x7e, 0x7e, 0x7e, 0x08, 0x76, 0x62, 0x00, // K

208

0x00, 0x3e, 0x7e, 0x7e, 0x7e, 0x40, 0x40, 0x00, // L

209

0x7e, 0x7e, 0x7e, 0x7c, 0x08, 0x7c, 0x7e, 0x00, // M

210

0x7e, 0x7e, 0x7e, 0x7c, 0x08, 0x7e, 0x7e, 0x00, // N

211

0x3c, 0x7e, 0x7e, 0x7e, 0x42, 0x7e, 0x3c, 0x00, // O

212

0x7c, 0x7e, 0x7e, 0x7e, 0x12, 0x1e, 0x0c, 0x00, // P

213

0x3c, 0x7e, 0x7e, 0x7e, 0x42, 0xfe, 0xbc, 0x00, // Q

214

0x7c, 0x7e, 0x7e, 0x7e, 0x12, 0x7e, 0x6c, 0x00, // R

215

0x24, 0x6e, 0x5e, 0x7e, 0x7a, 0x76, 0x24, 0x00, // S

216

0x00, 0x02, 0x7e, 0x7e, 0x7e, 0x7e, 0x02, 0x00, // T

217

0x3e, 0x7e, 0x7e, 0x7e, 0x40, 0x7e, 0x3e, 0x00, // U

218

0x1e, 0x3e, 0x7e, 0x7e, 0x40, 0x3e, 0x1e, 0x00, // V

219

0x3e, 0x7e, 0x7e, 0x7e, 0x20, 0x7e, 0x3e, 0x00, // W

220

0x42, 0x66, 0x3e, 0x7e, 0x7c, 0x66, 0x42, 0x00, // X

221

0x06, 0x0e, 0x7e, 0x7e, 0x70, 0x0e, 0x06, 0x00, // Y

222

0x62, 0x72, 0x7a, 0x7e, 0x5e, 0x4e, 0x46, 0x00, // Z

223

0x38, 0x7c, 0x44, 0x3c, 0x7c, 0x7c, 0x78, 0x00, // a

224

0x3f, 0x7f, 0x7f, 0x7f, 0x44, 0x7c, 0x38, 0x00, // b

225

0x38, 0x7c, 0x7c, 0x7c, 0x44, 0x6c, 0x28, 0x00, // c

226

0x38, 0x7c, 0x44, 0x3f, 0x7f, 0x7f, 0x7f, 0x00, // d

227

0x38, 0x7c, 0x7c, 0x7c, 0x54, 0x5c, 0x28, 0x00, // e

228

0x88, 0xfe, 0xff, 0xff, 0x7f, 0x09, 0x0a, 0x00, // f

229

0x58, 0xbc, 0xa4, 0xfc, 0xfc, 0xfc, 0x78, 0x00, // g

230

0x7f, 0x7f, 0x7f, 0x7f, 0x04, 0x7c, 0x78, 0x00, // h

231

0x00, 0x00, 0x7a, 0x7f, 0x7f, 0x7a, 0x00, 0x00, // i

232

0x00, 0x80, 0xfa, 0xff, 0xff, 0x7a, 0x00, 0x00, // j

233

0x7f, 0x7f, 0x7f, 0x7f, 0x24, 0x7c, 0x58, 0x00, // k

234

0x00, 0x00, 0x3f, 0x7f, 0x7f, 0x7f, 0x40, 0x00, // l

235

0x78, 0x7c, 0x7c, 0x04, 0x7c, 0x04, 0x7c, 0x78, // m

236

0x7c, 0x7c, 0x7c, 0x78, 0x04, 0x7c, 0x78, 0x00, // n

237

0x38, 0x7c, 0x7c, 0x7c, 0x44, 0x7c, 0x38, 0x00, // o

238

0xfc, 0xfc, 0xfc, 0xf8, 0x44, 0x7c, 0x38, 0x00, // p

239

0x38, 0x7c, 0x44, 0xfc, 0xfc, 0xfc, 0xf8, 0x00, // q

240

0x7c, 0x7c, 0x7c, 0x7c, 0x04, 0x0c, 0x08, 0x00, // r

241

0x28, 0x5c, 0x5c, 0x7c, 0x74, 0x74, 0x28, 0x00, // s

242

0x04, 0x3e, 0x7e, 0x7e, 0x7e, 0x44, 0x24, 0x00, // t

243

0x3c, 0x7c, 0x40, 0x3c, 0x7c, 0x7c, 0x7c, 0x00, // u

244

0x1c, 0x3c, 0x7c, 0x7c, 0x60, 0x3c, 0x1c, 0x00, // v

245

0x3c, 0x7c, 0x7c, 0x40, 0x7c, 0x40, 0x7c, 0x3c, // w

246

0x44, 0x6c, 0x3c, 0x7c, 0x78, 0x6c, 0x44, 0x00, // x

247

0x9c, 0xbc, 0xfc, 0xfc, 0x60, 0x3c, 0x1c, 0x00, // y

248

0x64, 0x74, 0x3c, 0x7c, 0x5c, 0x4c, 0x24, 0x00, // z

249

0x3c, 0x7e, 0x42, 0x7e, 0x7e, 0x7e, 0x3c, 0x00, // 0

250

0x00, 0x42, 0x7e, 0x7e, 0x7e, 0x7e, 0x40, 0x00, // 1

251

0x64, 0x72, 0x7a, 0x7e, 0x5e, 0x4e, 0x44, 0x00, // 2

252

0x24, 0x66, 0x4a, 0x7e, 0x7e, 0x7e, 0x34, 0x00, // 3

253

0x0e, 0x1e, 0x10, 0x7e, 0x7e, 0x7e, 0x7e, 0x00, // 4

254

0x2e, 0x6e, 0x4e, 0x7a, 0x7a, 0x7a, 0x32, 0x00, // 5

255

0x3c, 0x7e, 0x7e, 0x7e, 0x4a, 0x7a, 0x34, 0x00, // 6

256

0x02, 0x62, 0x7a, 0x7e, 0x7e, 0x1e, 0x06, 0x00, // 7

257

0x34, 0x7e, 0x4e, 0x7e, 0x7a, 0x7e, 0x34, 0x00, // 8

258

0x2c, 0x5e, 0x52, 0x7e, 0x7e, 0x7e, 0x3c, 0x00, // 9

259

0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, // -

260

0x00, 0x00, 0x28, 0x7c, 0x7c, 0x28, 0x00, 0x00, // :

261

0x00, 0x00, 0x30, 0x78, 0x78, 0x30, 0x00, 0x00, // .

262

0x00, 0x00, 0x10, 0xb8, 0xf8, 0x70, 0x00, 0x00, // ,

263

}, { // INVD-B

264

0x00, 0x78, 0x7f, 0x09, 0x09, 0x0f, 0x78, 0x00, // A

265

0x00, 0x7f, 0x79, 0x49, 0x49, 0x4f, 0x78, 0x00, // B

266

0x00, 0x7f, 0x79, 0x41, 0x41, 0x41, 0x63, 0x00, // C

267

0x00, 0x7f, 0x79, 0x41, 0x41, 0x41, 0x7f, 0x00, // D

268

0x00, 0x00, 0x7f, 0x79, 0x49, 0x49, 0x41, 0x00, // E

269

0x00, 0x00, 0x7f, 0x79, 0x09, 0x09, 0x01, 0x00, // F

270

0x00, 0x7f, 0x79, 0x41, 0x41, 0x49, 0x7b, 0x00, // G

271

0x00, 0x7f, 0x78, 0x08, 0x08, 0x08, 0x7f, 0x00, // H

272

0x00, 0x00, 0x00, 0x7f, 0x78, 0x00, 0x00, 0x00, // I

273

0x00, 0x60, 0x40, 0x40, 0x40, 0x7f, 0x78, 0x00, // J

274

0x00, 0x7f, 0x78, 0x08, 0x08, 0x0f, 0x78, 0x00, // K

275

0x00, 0x00, 0x7f, 0x78, 0x40, 0x40, 0x40, 0x00, // L

276

0x00, 0x7f, 0x79, 0x01, 0x7f, 0x01, 0x7f, 0x00, // M

277

0x00, 0x7f, 0x79, 0x01, 0x01, 0x01, 0x7f, 0x00, // N

278

0x00, 0x7f, 0x41, 0x41, 0x41, 0x43, 0x7f, 0x00, // O

279

0x00, 0x7f, 0x79, 0x09, 0x09, 0x09, 0x0f, 0x00, // P

280

0x00, 0x7f, 0x41, 0x41, 0x61, 0x61, 0x7f, 0x00, // Q

281

0x00, 0x7f, 0x79, 0x09, 0x09, 0x0f, 0x78, 0x00, // R

282

0x00, 0x6f, 0x49, 0x49, 0x49, 0x79, 0x7b, 0x00, // S

283

0x00, 0x01, 0x01, 0x7f, 0x79, 0x01, 0x01, 0x00, // T

284

0x00, 0x7f, 0x78, 0x40, 0x40, 0x40, 0x7f, 0x00, // U

285

0x00, 0x0f, 0x7f, 0x40, 0x40, 0x78, 0x0f, 0x00, // V

286

0x00, 0x7f, 0x78, 0x40, 0x7f, 0x40, 0x7f, 0x00, // W

287

0x00, 0x77, 0x78, 0x08, 0x08, 0x08, 0x77, 0x00, // X

288

0x00, 0x0f, 0x08, 0x78, 0x78, 0x08, 0x0f, 0x00, // Y

289

0x00, 0x7b, 0x79, 0x49, 0x49, 0x49, 0x6f, 0x00, // Z

290

0x00, 0x74, 0x74, 0x54, 0x54, 0x7c, 0x00, 0x00, // a

291

0x00, 0x7f, 0x74, 0x44, 0x44, 0x7c, 0x00, 0x00, // b

292

0x00, 0x7c, 0x74, 0x44, 0x44, 0x6c, 0x00, 0x00, // c

293

0x00, 0x7c, 0x74, 0x44, 0x44, 0x7f, 0x00, 0x00, // d

294

0x00, 0x7c, 0x74, 0x54, 0x54, 0x5c, 0x00, 0x00, // e

295

0x00, 0x00, 0x04, 0x7f, 0x75, 0x01, 0x00, 0x00, // f

296

0x00, 0xbc, 0xb4, 0xa4, 0xa4, 0xfc, 0x00, 0x00, // g

297

0x00, 0x7f, 0x74, 0x04, 0x04, 0x7c, 0x00, 0x00, // h

298

0x00, 0x00, 0x00, 0x7d, 0x71, 0x00, 0x00, 0x00, // i

299

0x00, 0x00, 0x80, 0xbd, 0xf1, 0x00, 0x00, 0x00, // j

300

0x00, 0x7f, 0x70, 0x10, 0x1c, 0x70, 0x00, 0x00, // k

301

0x00, 0x00, 0x00, 0x7f, 0x78, 0x00, 0x00, 0x00, // l

302

0x00, 0x7c, 0x74, 0x04, 0x7c, 0x04, 0x7c, 0x00, // m

303

0x00, 0x7c, 0x74, 0x04, 0x04, 0x7c, 0x00, 0x00, // n

304

0x00, 0x7c, 0x74, 0x44, 0x44, 0x7c, 0x00, 0x00, // o

305

0x00, 0xfc, 0x34, 0x24, 0x24, 0x3c, 0x00, 0x00, // p

306

0x00, 0x3c, 0x34, 0x24, 0x24, 0xfc, 0x00, 0x00, // q

307

0x00, 0x00, 0x7c, 0x74, 0x04, 0x04, 0x00, 0x00, // r

308

0x00, 0x5c, 0x54, 0x54, 0x74, 0x74, 0x00, 0x00, // s

309

0x00, 0x00, 0x04, 0x7f, 0x74, 0x00, 0x00, 0x00, // t

310

0x00, 0x7c, 0x70, 0x40, 0x40, 0x7c, 0x00, 0x00, // u

311

0x00, 0x1c, 0x7c, 0x40, 0x70, 0x1c, 0x00, 0x00, // v

312

0x00, 0x7c, 0x70, 0x40, 0x7c, 0x40, 0x7c, 0x00, // w

313

0x00, 0x6c, 0x70, 0x10, 0x10, 0x6c, 0x00, 0x00, // x

314

0x00, 0xbc, 0xb0, 0xa0, 0xa0, 0xfc, 0x00, 0x00, // y

315

0x00, 0x74, 0x74, 0x54, 0x54, 0x5c, 0x00, 0x00, // z

316

0x00, 0x7f, 0x41, 0x41, 0x41, 0x79, 0x7f, 0x00, // 0

317

0x00, 0x00, 0x00, 0x78, 0x7f, 0x00, 0x00, 0x00, // 1

318

0x00, 0x7b, 0x79, 0x49, 0x49, 0x49, 0x4f, 0x00, // 2

319

0x00, 0x63, 0x49, 0x49, 0x49, 0x7f, 0x78, 0x00, // 3

320

0x00, 0x1f, 0x11, 0x11, 0x71, 0x7f, 0x10, 0x00, // 4

321

0x00, 0x6f, 0x49, 0x49, 0x49, 0x79, 0x79, 0x00, // 5

322

0x00, 0x7f, 0x49, 0x49, 0x49, 0x79, 0x7b, 0x00, // 6

323

0x00, 0x01, 0x01, 0x01, 0x79, 0x7f, 0x00, 0x00, // 7

324

0x00, 0x78, 0x4f, 0x49, 0x49, 0x7f, 0x78, 0x00, // 8

325

0x00, 0x1f, 0x11, 0x11, 0x11, 0x71, 0x7f, 0x00, // 9

326

0x00, 0x00, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, // -

327

0x00, 0x00, 0x00, 0x6c, 0x6c, 0x00, 0x00, 0x00, // :

328

0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x00, 0x00, // .

329

0x00, 0x00, 0x00, 0x60, 0xe0, 0x00, 0x00, 0x00, // ,

330

}

331

};

332

333

// nothing to do?

334

if( c == _glyph_cache_char )

335

return;

336

_glyph_cache_char = c;

337

338

// find glyph data position

339

int pos;

340

if( c >= 'A' && c <= 'Z' )

341

pos = c - 'A';

342

else if( c >= 'a' && c <= 'z' )

343

pos = c - 'a' + 26;

344

else if( c >= '0' && c <= '9' )

345

pos = c - '0' + 52;

346

else if( c == '-' )

347

pos = 62;

348

else if( c == ':' )

349

pos = 63;

350

else if( c == '.' )

351

pos = 64;

352

else if( c == ',' )

353

pos = 65;

354

else

355

pos = -1;

356

357

// space? or copy glyph from progmem?

358

if( pos == -1 )

359

memset( _glyph_cache, 0, 8 );

360

else

361

memcpy_P( _glyph_cache, &( fonts[ _font ][ pos * 8 ] ), 8 );

362

}

363

364

365

// convert segment to display-space segment

366

int xform_segment( int segment )

367

{

368

if( segment < TEXT_DISPLAY_SEGMENTS / 2 )

369

return segment + TEXT_DISPLAY_SEGMENTS / 2;

370

else if( segment >= NUM_SEGMENTS - TEXT_DISPLAY_SEGMENTS / 2 )

371

return segment - ( NUM_SEGMENTS - TEXT_DISPLAY_SEGMENTS / 2 );

372

else

373

return - 1;

374

}

375

376

377

// draw a column of pixels from the current message

378

void render( int x )

379

{

380

// handle negative x

381

if( x < 0 ) {

382

Display::leds_off();

383

return;

384

}

385

386

// scale font

387

x /= TEXT_SCALE;

388

389

// make sure the correct glyph is cached

390

int pos = x / 8;

391

cache_glyph( ( pos >= 0 && pos < (signed)_message.length() )? _message[ pos ] : ' ' );

392

393

// draw a column

394

char col_data = _glyph_cache[ x % 8 ];

395

for( int a = 0; a < 8; a++ )

396

Display::led( 8 - a, ( col_data & ( 1 << a ) )? true : false );

397

}

398

399

400

PString &TextRenderer::get_pstring()

401

{

402

// reset renderer

403

_duration = 0;

404

_last_millis = ::millis();

405

_scroll = -TEXT_DISPLAY_SEGMENTS;

406

407

return _message;

408

}

409

410

411

void TextRenderer::draw_reset()

412

{

413

// how many milliseconds have elapsed since last frame?

414

unsigned long millis = ::millis();

415

if( millis > _last_millis )

416

_duration = millis - _last_millis;

417

_last_millis = millis;

418

419

// move on scroll pos

420

_scroll += ( _duration * TEXT_SCROLL_SPEED / 1000 );

421

if( _scroll > (signed long)_message.length() * 8 * TEXT_SCALE )

422

_scroll -= (signed long)_message.length() * 8 * TEXT_SCALE + TEXT_DISPLAY_SEGMENTS;

423

}

424

425

426

void TextRenderer::draw_scroll( int segment )

427

{

428

segment = xform_segment( segment );

429

if( segment < 0 )

430

Display::leds_off();

431

else

432

render( (long)segment + _scroll );

433

}