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 93
- compare with another revision
- download diff
- download tarball
- view history from revision 93
- Committer: Tim Marston
- Date: 2013-03-31 17:07:36 UTC
- Revision ID: tim@ed.am-20130331170736-hphm2hg0y6l7w6z1
made rtc-test's DS1307 library a symlink to the main one in src/util
- files added:
- src/TODO
- src/modes
- test/rtc-test
- test/rtc-test/Makefile
- test/rtc-test/util
- test/rtc-test/util/DS1307.cpp
- test/rtc-test/util/DS1307.h
- files renamed:
- src/analogue_clock.cc => src/modes/analogue_clock_mode.cc
- src/analogue_clock.h => src/modes/analogue_clock_mode.h
- src/digital_clock.cc => src/modes/digital_clock_mode.cc
- src/digital_clock.h => src/modes/digital_clock_mode.h
- src/test_pattern.cc => src/modes/test_pattern_mode.cc
- src/test_pattern.h => src/modes/test_pattern_mode.h
- files modified:
- .bzrignore
added
removed
src/text.cc
37
37
static char _message_modes[ NUM_MESSAGE_BUFFERS ];
38
38
39
39
// mode-specific message parameters
40
static signed long _message_params[ NUM_MESSAGE_BUFFERS ];
40
static signed long _message_pos[ NUM_MESSAGE_BUFFERS ];
41
42
// text scaling factors
43
static char _message_scale[ NUM_MESSAGE_BUFFERS ];
41
44
42
45
// time last frame
43
46
static unsigned long _last_millis;
49
52
static bool _do_draw_reset;
50
53
51
54
52
void reset_message_param( int message_num )
55
#define MASK_MODE_SIZE 0x07
56
#define MASK_MODE_POS 0x40
57
58
void reset_message_pos( int message_num )
53
59
{
54
60
if( _message_modes[ message_num ] & Text::MODE_HSCROLL )
55
61
{
56
switch( _message_modes[ message_num ] & 0x1c )
62
switch( _message_modes[ message_num ] & MASK_MODE_SIZE )
57
63
{
58
64
case Text::MODE_ONEQUARTER:
59
_message_params[ message_num ] = -NUM_SEGMENTS / 4; break;
65
_message_pos[ message_num ] = -NUM_SEGMENTS / 4; break;
60
66
case Text::MODE_ONETHIRD:
61
_message_params[ message_num ] = -NUM_SEGMENTS / 3; break;
67
_message_pos[ message_num ] = -NUM_SEGMENTS / 3; break;
62
68
case Text::MODE_HALF:
63
_message_params[ message_num ] = -NUM_SEGMENTS / 2; break;
69
_message_pos[ message_num ] = -NUM_SEGMENTS / 2; break;
64
70
case Text::MODE_TWOTHIRDS:
65
_message_params[ message_num ] = -NUM_SEGMENTS * 2 / 3; break;
71
_message_pos[ message_num ] = -NUM_SEGMENTS * 2 / 3; break;
66
72
case Text::MODE_THREEQUARTERS:
67
_message_params[ message_num ] = -NUM_SEGMENTS * 3 / 4; break;
73
_message_pos[ message_num ] = -NUM_SEGMENTS * 3 / 4; break;
68
74
case Text::MODE_ALL:
69
_message_params[ message_num ] = -NUM_SEGMENTS; break;
75
_message_pos[ message_num ] = -NUM_SEGMENTS; break;
70
76
}
71
77
}
72
78
else
73
79
{
74
switch( _message_modes[ message_num ] & 0x1c )
80
switch( _message_modes[ message_num ] & MASK_MODE_SIZE )
75
81
{
76
82
case Text::MODE_ONEQUARTER:
77
_message_params[ message_num ] = NUM_SEGMENTS / 4; break;
83
_message_pos[ message_num ] = NUM_SEGMENTS / 4; break;
78
84
case Text::MODE_ONETHIRD:
79
_message_params[ message_num ] = NUM_SEGMENTS / 3; break;
85
_message_pos[ message_num ] = NUM_SEGMENTS / 3; break;
80
86
case Text::MODE_HALF:
81
_message_params[ message_num ] = NUM_SEGMENTS / 2; break;
87
_message_pos[ message_num ] = NUM_SEGMENTS / 2; break;
82
88
case Text::MODE_TWOTHIRDS:
83
_message_params[ message_num ] = NUM_SEGMENTS * 2 / 3; break;
89
_message_pos[ message_num ] = NUM_SEGMENTS * 2 / 3; break;
84
90
case Text::MODE_THREEQUARTERS:
85
_message_params[ message_num ] = NUM_SEGMENTS * 3 / 4; break;
91
_message_pos[ message_num ] = NUM_SEGMENTS * 3 / 4; break;
86
92
case Text::MODE_ALL:
87
_message_params[ message_num ] = NUM_SEGMENTS; break;
93
_message_pos[ message_num ] = NUM_SEGMENTS; break;
88
94
}
89
_message_params[ message_num ] = -( _message_params[ message_num ] -
90
TextRenderer::get_width( _message_lens[ message_num ] ) ) / 2;
95
_message_pos[ message_num ] = -( _message_pos[ message_num ] -
96
TextRenderer::get_width( _message_lens[ message_num ],
97
_message_scale[ message_num ] ) ) / 2;
91
98
}
92
99
}
93
100
94
101
95
void Text::set_message( int message_num, PString &pstring )
96
{
97
// update message
98
_message_lens[ message_num ] = pstring.length();
99
}
100
101
102
void Text::reset_message( int message_num, char mode )
103
{
104
_message_modes[ message_num ] = mode;
105
reset_message_param( message_num );
106
}
107
108
109
102
void Text::reset()
110
103
{
111
104
// reset renderer
112
105
_duration = 0;
113
106
_last_millis = ::millis();
114
_do_draw_reset = false;
107
108
// clear all message modes (disable messages)
109
for( int a = 0; a < NUM_MESSAGE_BUFFERS; a++ )
110
_message_modes[ a ] = 0;
115
111
116
112
// reset the text renderer's output buffer
117
113
TextRenderer::reset_buffer();
118
114
}
119
115
120
116
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
121
140
void Text::draw_reset()
122
141
{
123
142
// how many milliseconds have elapsed since last frame?
126
145
_duration = millis - _last_millis;
127
146
_last_millis = millis;
128
147
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).
129
150
_do_draw_reset = true;
130
151
}
131
152
132
153
133
void Text::draw( int message_num, int segment )
154
static void draw_message( int message_num, int segment )
134
155
{
135
// perform a mid-frame reset, as necessary
136
if( _do_draw_reset && segment > NUM_SEGMENTS / 2 ) {
137
_do_draw_reset = false;
138
139
if( _message_modes[ message_num ] & MODE_HSCROLL )
140
{
141
// add to horizontal scroll position
142
_message_params[ message_num ] +=
143
_duration * TEXT_SCROLL_SPEED / 1000;
144
long excess = _message_params[ message_num ] -
145
TextRenderer::get_width( _message_lens[ message_num ] );
146
if( excess >= 0 ) {
147
reset_message_param( message_num );
148
_message_params[ message_num ] += excess;
149
}
150
}
151
}
156
TextRenderer::buffer_in_use();
152
157
153
158
// calculate the width
154
159
int width;
155
switch( _message_modes[ message_num ] & 0x1c )
160
switch( _message_modes[ message_num ] & MASK_MODE_SIZE )
156
161
{
157
case MODE_ONEQUARTER:
162
case Text::MODE_ONEQUARTER:
158
163
width = NUM_SEGMENTS / 4;
159
164
break;
160
case MODE_ONETHIRD:
165
case Text::MODE_ONETHIRD:
161
166
width = NUM_SEGMENTS / 3;
162
167
break;
163
case MODE_HALF:
168
case Text::MODE_HALF:
164
169
width = NUM_SEGMENTS / 2;
165
170
break;
166
case MODE_TWOTHIRDS:
171
case Text::MODE_TWOTHIRDS:
167
172
width = NUM_SEGMENTS * 2 / 3;
168
173
break;
169
case MODE_THREEQUARTERS:
174
case Text::MODE_THREEQUARTERS:
170
175
width = NUM_SEGMENTS * 3 / 4;
171
176
break;
172
case MODE_ALL:
177
case Text::MODE_ALL:
173
178
width = NUM_SEGMENTS;
174
179
break;
175
180
}
176
181
177
182
// convert segment to display-space
178
switch( _message_modes[ message_num ] & 0x03 )
183
switch( _message_modes[ message_num ] & MASK_MODE_POS )
179
184
{
180
case MODE_TOP:
185
case Text::MODE_TOP:
181
186
if( segment < width / 2 )
182
187
segment += width / 2;
183
188
else if( segment >= NUM_SEGMENTS - width / 2 )
185
190
else
186
191
return;
187
192
break;
188
case MODE_BOTTOM:
193
case Text::MODE_BOTTOM:
189
194
if( segment > ( NUM_SEGMENTS - width ) / 2 &&
190
195
segment < ( NUM_SEGMENTS - width ) / 2 + width )
191
196
{
198
203
199
204
// render
200
205
TextRenderer::render(
201
_messages[ message_num ], _message_lens[ message_num ],
202
(long)segment + _message_params[ message_num ],
203
( _message_modes[ message_num ] & 1 ) == 0, 0 );
204
}
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
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0