To get this branch, use:
bzr branch
http://bzr.ed.am/elec/propeller-clock
« back to all changes in this revision
Viewing changes to src/text.cc
- browse files at revision 64
- compare with another revision
- download diff
- download tarball
- view history from revision 64
- Committer: Tim Marston
- Date: 2012-03-09 23:42:20 UTC
- Revision ID: tim@ed.am-20120309234220-xr1vxzve0o5n2oss
added support for eclipse project and converted to a manual Makefile
- files added:
- src/drawer.cc
- files removed:
- src/TODO
- src/modes
- test/rtc-test
- test/rtc-test/Makefile
- test/rtc-test/util
- files renamed:
- src/modes/analogue_clock_mode.cc => src/analogue_clock_mode.cc
- src/modes/analogue_clock_mode.h => src/analogue_clock_mode.h
- src/modes/digital_clock_mode.cc => src/digital_clock_mode.cc
- src/modes/digital_clock_mode.h => src/digital_clock_mode.h
- src/common.cc => src/display.cc
- src/common.h => src/display.h
- src/modes/test_pattern_mode.cc => src/test_mode.cc
- src/modes/test_pattern_mode.h => src/test_mode.h
- files modified:
- .bzrignore
added
removed
src/text.cc
25
25
#include "config.h"
26
26
#include "Arduino.h"
27
27
#include <avr/pgmspace.h>
28
#include "display.h"
28
29
29
30
30
31
// the buffer for the message
37
38
static char _message_modes[ NUM_MESSAGE_BUFFERS ];
38
39
39
40
// mode-specific message parameters
40
static signed long _message_pos[ NUM_MESSAGE_BUFFERS ];
41
42
// text scaling factors
43
static char _message_scale[ NUM_MESSAGE_BUFFERS ];
41
static signed long _message_params[ NUM_MESSAGE_BUFFERS ];
44
42
45
43
// time last frame
46
44
static unsigned long _last_millis;
52
50
static bool _do_draw_reset;
53
51
54
52
55
#define MASK_MODE_SIZE 0x07
56
#define MASK_MODE_POS 0x40
57
58
void reset_message_pos( int message_num )
53
void reset_message_param( int message_num )
59
54
{
60
55
if( _message_modes[ message_num ] & Text::MODE_HSCROLL )
61
56
{
62
switch( _message_modes[ message_num ] & MASK_MODE_SIZE )
57
switch( _message_modes[ message_num ] & 0x1c )
63
58
{
64
59
case Text::MODE_ONEQUARTER:
65
_message_pos[ message_num ] = -NUM_SEGMENTS / 4; break;
60
_message_params[ message_num ] = -NUM_SEGMENTS / 4; break;
66
61
case Text::MODE_ONETHIRD:
67
_message_pos[ message_num ] = -NUM_SEGMENTS / 3; break;
62
_message_params[ message_num ] = -NUM_SEGMENTS / 3; break;
68
63
case Text::MODE_HALF:
69
_message_pos[ message_num ] = -NUM_SEGMENTS / 2; break;
64
_message_params[ message_num ] = -NUM_SEGMENTS / 2; break;
70
65
case Text::MODE_TWOTHIRDS:
71
_message_pos[ message_num ] = -NUM_SEGMENTS * 2 / 3; break;
66
_message_params[ message_num ] = -NUM_SEGMENTS * 2 / 3; break;
72
67
case Text::MODE_THREEQUARTERS:
73
_message_pos[ message_num ] = -NUM_SEGMENTS * 3 / 4; break;
68
_message_params[ message_num ] = -NUM_SEGMENTS * 3 / 4; break;
74
69
case Text::MODE_ALL:
75
_message_pos[ message_num ] = -NUM_SEGMENTS; break;
70
_message_params[ message_num ] = -NUM_SEGMENTS; break;
76
71
}
77
72
}
78
73
else
79
74
{
80
switch( _message_modes[ message_num ] & MASK_MODE_SIZE )
75
switch( _message_modes[ message_num ] & 0x1c )
81
76
{
82
77
case Text::MODE_ONEQUARTER:
83
_message_pos[ message_num ] = NUM_SEGMENTS / 4; break;
78
_message_params[ message_num ] = NUM_SEGMENTS / 4; break;
84
79
case Text::MODE_ONETHIRD:
85
_message_pos[ message_num ] = NUM_SEGMENTS / 3; break;
80
_message_params[ message_num ] = NUM_SEGMENTS / 3; break;
86
81
case Text::MODE_HALF:
87
_message_pos[ message_num ] = NUM_SEGMENTS / 2; break;
82
_message_params[ message_num ] = NUM_SEGMENTS / 2; break;
88
83
case Text::MODE_TWOTHIRDS:
89
_message_pos[ message_num ] = NUM_SEGMENTS * 2 / 3; break;
84
_message_params[ message_num ] = NUM_SEGMENTS * 2 / 3; break;
90
85
case Text::MODE_THREEQUARTERS:
91
_message_pos[ message_num ] = NUM_SEGMENTS * 3 / 4; break;
86
_message_params[ message_num ] = NUM_SEGMENTS * 3 / 4; break;
92
87
case Text::MODE_ALL:
93
_message_pos[ message_num ] = NUM_SEGMENTS; break;
88
_message_params[ message_num ] = NUM_SEGMENTS; break;
94
89
}
95
_message_pos[ message_num ] = -( _message_pos[ message_num ] -
96
TextRenderer::get_width( _message_lens[ message_num ],
97
_message_scale[ message_num ] ) ) / 2;
90
_message_params[ message_num ] = -( _message_params[ message_num ] -
91
TextRenderer::get_width( _message_lens[ message_num ] ) ) / 2;
98
92
}
99
93
}
100
94
101
95
96
void Text::set_message( int message_num, PString &pstring )
97
{
98
// update message
99
_message_lens[ message_num ] = pstring.length();
100
}
101
102
103
void Text::reset_message( int message_num, char mode )
104
{
105
_message_modes[ message_num ] = mode;
106
reset_message_param( message_num );
107
}
108
109
102
110
void Text::reset()
103
111
{
104
112
// reset renderer
105
113
_duration = 0;
106
114
_last_millis = ::millis();
107
108
// clear all message modes (disable messages)
109
for( int a = 0; a < NUM_MESSAGE_BUFFERS; a++ )
110
_message_modes[ a ] = 0;
115
_do_draw_reset = false;
111
116
112
117
// reset the text renderer's output buffer
113
118
TextRenderer::reset_buffer();
114
119
}
115
120
116
121
117
void Text::set_up_message( int message_num, char mode, char scale )
118
{
119
_message_modes[ message_num ] = mode;
120
_message_scale[ message_num ] = scale;
121
122
// horizontal scrolling messages need their position reset at start of mode
123
if( _message_modes[ message_num ] & MODE_HSCROLL )
124
reset_message_pos( message_num );
125
}
126
127
128
void Text::set_message_text( int message_num, PString &pstring )
129
{
130
// update message
131
_message_lens[ message_num ] = pstring.length();
132
133
// non-horizontal scrolling modes need their position reset whenever the
134
// text changes
135
if( !( _message_modes[ message_num ] & MODE_HSCROLL ) )
136
reset_message_pos( message_num );
137
}
138
139
140
122
void Text::draw_reset()
141
123
{
142
124
// how many milliseconds have elapsed since last frame?
145
127
_duration = millis - _last_millis;
146
128
_last_millis = millis;
147
129
148
// we'll need to recalculate params for the frame, but we want to do it when
149
// we're not in the middle of a text display (to avoid tearing).
150
130
_do_draw_reset = true;
151
131
}
152
132
153
133
154
static void draw_message( int message_num, int segment )
134
void Text::draw( int message_num, int segment )
155
135
{
156
TextRenderer::buffer_in_use();
136
// perform a mid-frame reset, as necessary
137
if( _do_draw_reset && segment > NUM_SEGMENTS / 2 ) {
138
_do_draw_reset = false;
139
140
if( _message_modes[ message_num ] & MODE_HSCROLL )
141
{
142
// add to horizontal scroll position
143
_message_params[ message_num ] +=
144
_duration * TEXT_SCROLL_SPEED / 1000;
145
long excess = _message_params[ message_num ] -
146
TextRenderer::get_width( _message_lens[ message_num ] );
147
if( excess >= 0 ) {
148
reset_message_param( message_num );
149
_message_params[ message_num ] += excess;
150
}
151
}
152
}
157
153
158
154
// calculate the width
159
155
int width;
160
switch( _message_modes[ message_num ] & MASK_MODE_SIZE )
156
switch( _message_modes[ message_num ] & 0x1c )
161
157
{
162
case Text::MODE_ONEQUARTER:
158
case MODE_ONEQUARTER:
163
159
width = NUM_SEGMENTS / 4;
164
160
break;
165
case Text::MODE_ONETHIRD:
161
case MODE_ONETHIRD:
166
162
width = NUM_SEGMENTS / 3;
167
163
break;
168
case Text::MODE_HALF:
164
case MODE_HALF:
169
165
width = NUM_SEGMENTS / 2;
170
166
break;
171
case Text::MODE_TWOTHIRDS:
167
case MODE_TWOTHIRDS:
172
168
width = NUM_SEGMENTS * 2 / 3;
173
169
break;
174
case Text::MODE_THREEQUARTERS:
170
case MODE_THREEQUARTERS:
175
171
width = NUM_SEGMENTS * 3 / 4;
176
172
break;
177
case Text::MODE_ALL:
173
case MODE_ALL:
178
174
width = NUM_SEGMENTS;
179
175
break;
180
176
}
181
177
182
178
// convert segment to display-space
183
switch( _message_modes[ message_num ] & MASK_MODE_POS )
179
switch( _message_modes[ message_num ] & 0x03 )
184
180
{
185
case Text::MODE_TOP:
181
case MODE_TOP:
186
182
if( segment < width / 2 )
187
183
segment += width / 2;
188
184
else if( segment >= NUM_SEGMENTS - width / 2 )
190
186
else
191
187
return;
192
188
break;
193
case Text::MODE_BOTTOM:
189
case MODE_BOTTOM:
194
190
if( segment > ( NUM_SEGMENTS - width ) / 2 &&
195
191
segment < ( NUM_SEGMENTS - width ) / 2 + width )
196
192
{
203
199
204
200
// render
205
201
TextRenderer::render(
206
Text::_messages[ message_num ], _message_lens[ message_num ],
207
(long)segment + _message_pos[ message_num ],
208
( _message_modes[ message_num ] & MASK_MODE_POS ) == Text::MODE_BOTTOM,
209
0, _message_scale[ message_num ] );
210
}
211
212
213
void Text::draw( int segment )
214
{
215
// perform a mid-frame reset, as necessary
216
if( _do_draw_reset && segment == NUM_SEGMENTS / 2 ) {
217
_do_draw_reset = false;
218
219
// go through the messages looking for an active one
220
for( int a = 0; a < NUM_MESSAGE_BUFFERS; a++ )
221
if( _message_modes[ a ] & MASK_MODE_SIZE )
222
{
223
// add to horizontal scroll position
224
if( _message_modes[ a ] & Text::MODE_HSCROLL ) {
225
_message_pos[ a ] +=
226
_duration * TEXT_SCROLL_SPEED / 1000;
227
long excess = _message_pos[ a ] -
228
TextRenderer::get_width( _message_lens[ a ],
229
_message_scale[ a ] );
230
if( excess >= 0 ) {
231
reset_message_pos( a );
232
_message_pos[ a ] += excess;
233
}
234
}
235
}
236
}
237
238
// draw any active messages
239
for( int a = 0; a < NUM_MESSAGE_BUFFERS; a++ )
240
if( _message_modes[ a ] & MASK_MODE_SIZE )
241
draw_message( a, segment );
242
}
243
202
_messages[ message_num ], _message_lens[ message_num ],
203
(long)segment + _message_params[ message_num ],
204
( _message_modes[ message_num ] & 1 ) == 0, 0 );
205
}
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0