diff options
-rw-r--r-- | meta/packages/pong-clock/pong-clock/pong-clock-no-flicker.c | 410 | ||||
-rw-r--r-- | meta/packages/pong-clock/pong-clock_1.0.bb | 15 |
2 files changed, 425 insertions, 0 deletions
diff --git a/meta/packages/pong-clock/pong-clock/pong-clock-no-flicker.c b/meta/packages/pong-clock/pong-clock/pong-clock-no-flicker.c new file mode 100644 index 0000000000..41cebc58a7 --- /dev/null +++ b/meta/packages/pong-clock/pong-clock/pong-clock-no-flicker.c | |||
@@ -0,0 +1,410 @@ | |||
1 | /* | ||
2 | * Pong Clock - A clock that plays pong. | ||
3 | * See http://mocoloco.com/archives/001766.php for the inspiration. | ||
4 | * | ||
5 | * Copyright (C) 2005 Matthew Allum | ||
6 | * | ||
7 | * Author: Matthew Allum mallum@openedhand.com | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of the GNU General Public License as published by | ||
11 | * the Free Software Foundation; either version 2 of the License, or | ||
12 | * (at your option) any later version. | ||
13 | * | ||
14 | * This program is distributed in the hope that it will be useful, | ||
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 | * GNU General Public License for more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License | ||
20 | * along with this program; if not, write to the Free Software | ||
21 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
22 | * | ||
23 | */ | ||
24 | |||
25 | #include <stdlib.h> | ||
26 | #include <time.h> | ||
27 | #include <sys/time.h> | ||
28 | #include <sys/types.h> | ||
29 | #include <string.h> | ||
30 | #include <stdio.h> | ||
31 | #include <unistd.h> | ||
32 | #include <signal.h> | ||
33 | |||
34 | #include <X11/Xlib.h> | ||
35 | #include <X11/Xutil.h> | ||
36 | #include <X11/Xatom.h> | ||
37 | |||
38 | /* Tweak values for different hw setups */ | ||
39 | |||
40 | #define FPS 50 | ||
41 | #define RESX 40 | ||
42 | #define RESY 40 | ||
43 | #define TO_MISS_SECS 55 | ||
44 | #define BALLDX 16 | ||
45 | #define BALLDY 4 | ||
46 | |||
47 | |||
48 | typedef struct PongClock | ||
49 | { | ||
50 | Display *xdpy; | ||
51 | int xscreen; | ||
52 | Window xwin, xwin_root; | ||
53 | Pixmap backbuffer; | ||
54 | GC xgc; | ||
55 | int xwin_width, xwin_height; | ||
56 | int pixelw, pixelh; | ||
57 | |||
58 | int ball_x, ball_y, ball_dx, ball_dy; | ||
59 | int bata_y, batb_y; | ||
60 | Bool bata_to_miss, batb_to_miss; | ||
61 | |||
62 | } | ||
63 | PongClock; | ||
64 | |||
65 | void | ||
66 | get_time(int *hour, int *min, int *sec) | ||
67 | { | ||
68 | struct timeval tv; | ||
69 | struct tm *localTime = NULL; | ||
70 | time_t actualTime; | ||
71 | |||
72 | gettimeofday(&tv, 0); | ||
73 | actualTime = tv.tv_sec; | ||
74 | localTime = localtime(&actualTime); | ||
75 | |||
76 | if (hour) | ||
77 | *hour = localTime->tm_hour; | ||
78 | |||
79 | if (min) | ||
80 | *min = localTime->tm_min; | ||
81 | |||
82 | if (sec) | ||
83 | *sec = localTime->tm_sec; | ||
84 | } | ||
85 | |||
86 | void | ||
87 | draw_rect (PongClock *pong_clock, | ||
88 | int x, | ||
89 | int y, | ||
90 | int width, | ||
91 | int height) | ||
92 | { | ||
93 | XFillRectangle (pong_clock->xdpy, | ||
94 | pong_clock->backbuffer, | ||
95 | pong_clock->xgc, | ||
96 | x * pong_clock->pixelw, | ||
97 | y * pong_clock->pixelh, | ||
98 | width * pong_clock->pixelw, | ||
99 | height * pong_clock->pixelh); | ||
100 | } | ||
101 | |||
102 | void | ||
103 | draw_field (PongClock *pong_clock) | ||
104 | { | ||
105 | int i; | ||
106 | |||
107 | draw_rect (pong_clock, 0, 0, RESX+1, 1); | ||
108 | draw_rect (pong_clock, 0, RESY-1, RESX+1, 1); | ||
109 | |||
110 | for (i=0; i < RESY/2; i++) | ||
111 | draw_rect (pong_clock, (RESX/2)-1, i*2, 2, 1); | ||
112 | } | ||
113 | |||
114 | void | ||
115 | draw_digit (PongClock *pong_clock, | ||
116 | int x, | ||
117 | int y, | ||
118 | int digit) | ||
119 | { | ||
120 | int digits[] = { 0x1f8c63f, 0x1f21086, 0x1f0fe1f, 0x1f87e1f, 0x1087e31, | ||
121 | 0x1f87c3f, 0x1f8fc3f, 0x84421f, 0x1f8fe3f, 0x1087e3f }; | ||
122 | |||
123 | XRectangle rects[5*5]; | ||
124 | int i,j,k; | ||
125 | |||
126 | i = 0; | ||
127 | |||
128 | for (k=0; k<5; k++) | ||
129 | for (j=0; j<5; j++) | ||
130 | if (digits[digit] & (1 << ((k*5)+j))) | ||
131 | { | ||
132 | rects[i].x = (x + j) * pong_clock->pixelw; | ||
133 | rects[i].y = (y + k) * pong_clock->pixelh; | ||
134 | rects[i].width = pong_clock->pixelw; | ||
135 | rects[i].height = pong_clock->pixelh; | ||
136 | i++; | ||
137 | } | ||
138 | |||
139 | XFillRectangles (pong_clock->xdpy, | ||
140 | pong_clock->backbuffer, | ||
141 | pong_clock->xgc, | ||
142 | rects, i); | ||
143 | } | ||
144 | |||
145 | void | ||
146 | draw_time (PongClock *pong_clock) | ||
147 | { | ||
148 | int hour, min; | ||
149 | |||
150 | get_time(&hour, &min, NULL); | ||
151 | |||
152 | draw_digit (pong_clock, | ||
153 | (RESX/2) - 14, | ||
154 | 5, | ||
155 | hour / 10 ); | ||
156 | |||
157 | draw_digit (pong_clock, | ||
158 | (RESX/2) - 8, | ||
159 | 5, | ||
160 | hour % 10 ); | ||
161 | |||
162 | draw_digit (pong_clock, | ||
163 | (RESX/2) + 3, | ||
164 | 5, | ||
165 | min / 10 ); | ||
166 | |||
167 | draw_digit (pong_clock, | ||
168 | (RESX/2) + 9, | ||
169 | 5, | ||
170 | min % 10 ); | ||
171 | } | ||
172 | |||
173 | void | ||
174 | draw_bat_and_ball (PongClock *pong_clock) | ||
175 | { | ||
176 | /* ball */ | ||
177 | |||
178 | XFillRectangle (pong_clock->xdpy, | ||
179 | pong_clock->backbuffer, | ||
180 | pong_clock->xgc, | ||
181 | pong_clock->ball_x, | ||
182 | pong_clock->ball_y, | ||
183 | pong_clock->pixelw, | ||
184 | pong_clock->pixelh); | ||
185 | |||
186 | /* bat a */ | ||
187 | |||
188 | XFillRectangle (pong_clock->xdpy, | ||
189 | pong_clock->backbuffer, | ||
190 | pong_clock->xgc, | ||
191 | 0, | ||
192 | pong_clock->bata_y - (2 * pong_clock->pixelh), | ||
193 | pong_clock->pixelw, | ||
194 | pong_clock->pixelh * 5); | ||
195 | |||
196 | /* bat b */ | ||
197 | |||
198 | XFillRectangle (pong_clock->xdpy, | ||
199 | pong_clock->backbuffer, | ||
200 | pong_clock->xgc, | ||
201 | (pong_clock->xwin_width - pong_clock->pixelw), | ||
202 | pong_clock->batb_y - (2 * pong_clock->pixelh), | ||
203 | pong_clock->pixelw, | ||
204 | pong_clock->pixelh * 5); | ||
205 | |||
206 | } | ||
207 | |||
208 | void | ||
209 | update_state (PongClock *pong_clock) | ||
210 | { | ||
211 | int sec, min, hour; | ||
212 | |||
213 | get_time(&hour, &min, &sec); | ||
214 | |||
215 | /* Check ball is on field and no ones dues to miss a shot. | ||
216 | */ | ||
217 | if ( (pong_clock->ball_x < 0 && !pong_clock->bata_to_miss) | ||
218 | || (pong_clock->ball_x > (pong_clock->xwin_width - pong_clock->pixelw) | ||
219 | && !pong_clock->batb_to_miss) ) | ||
220 | pong_clock->ball_dx *= -1; | ||
221 | |||
222 | if ((pong_clock->ball_y < pong_clock->pixelh) | ||
223 | || pong_clock->ball_y > (pong_clock->xwin_height - (2*pong_clock->pixelh))) | ||
224 | pong_clock->ball_dy *= -1; | ||
225 | |||
226 | pong_clock->ball_x += pong_clock->ball_dx; | ||
227 | pong_clock->ball_y += pong_clock->ball_dy; | ||
228 | |||
229 | /* Set up someone to miss if we getting close to an hour or min. | ||
230 | */ | ||
231 | if (sec > TO_MISS_SECS) | ||
232 | { | ||
233 | if (min == 59) | ||
234 | pong_clock->batb_to_miss = True; | ||
235 | else | ||
236 | pong_clock->bata_to_miss = True; | ||
237 | } | ||
238 | else | ||
239 | { | ||
240 | /* Reset the game */ | ||
241 | if (pong_clock->bata_to_miss) | ||
242 | { | ||
243 | pong_clock->bata_to_miss = False; | ||
244 | pong_clock->ball_y = pong_clock->bata_y; | ||
245 | pong_clock->ball_x = pong_clock->pixelw; | ||
246 | pong_clock->ball_dx *= -1; | ||
247 | } | ||
248 | |||
249 | if (pong_clock->batb_to_miss) | ||
250 | { | ||
251 | pong_clock->batb_to_miss = False; | ||
252 | pong_clock->ball_y = pong_clock->batb_y; | ||
253 | pong_clock->ball_x = pong_clock->xwin_width - pong_clock->pixelw; | ||
254 | pong_clock->ball_dx *= -1; | ||
255 | } | ||
256 | } | ||
257 | |||
258 | /* Keep bats on field and only move in not setup to miss */ | ||
259 | if (pong_clock->ball_y >= (3*pong_clock->pixelh) | ||
260 | && pong_clock->ball_y <= (pong_clock->xwin_height - (5*pong_clock->pixelh))) | ||
261 | { | ||
262 | if (!pong_clock->batb_to_miss) | ||
263 | pong_clock->batb_y = pong_clock->ball_y; | ||
264 | |||
265 | if (!pong_clock->bata_to_miss) | ||
266 | pong_clock->bata_y = pong_clock->ball_y; | ||
267 | } | ||
268 | } | ||
269 | |||
270 | void | ||
271 | draw_frame (PongClock *pong_clock) | ||
272 | { | ||
273 | update_state (pong_clock); | ||
274 | |||
275 | /* Clear playfield */ | ||
276 | XSetForeground (pong_clock->xdpy, | ||
277 | pong_clock->xgc, | ||
278 | BlackPixel(pong_clock->xdpy, | ||
279 | pong_clock->xscreen)); | ||
280 | |||
281 | XFillRectangle (pong_clock->xdpy, | ||
282 | pong_clock->backbuffer, | ||
283 | pong_clock->xgc, | ||
284 | 0, 0, | ||
285 | pong_clock->xwin_width, | ||
286 | pong_clock->xwin_height); | ||
287 | |||
288 | XSetForeground (pong_clock->xdpy, | ||
289 | pong_clock->xgc, | ||
290 | WhitePixel(pong_clock->xdpy, | ||
291 | pong_clock->xscreen)); | ||
292 | |||
293 | draw_field (pong_clock); | ||
294 | |||
295 | draw_time (pong_clock); | ||
296 | |||
297 | draw_bat_and_ball (pong_clock); | ||
298 | |||
299 | /* flip 'backbuffer' */ | ||
300 | XSetWindowBackgroundPixmap (pong_clock->xdpy, | ||
301 | pong_clock->xwin, | ||
302 | pong_clock->backbuffer); | ||
303 | XClearWindow(pong_clock->xdpy, pong_clock->xwin); | ||
304 | |||
305 | XSync(pong_clock->xdpy, False); | ||
306 | } | ||
307 | |||
308 | int | ||
309 | main (int argc, char **argv) | ||
310 | { | ||
311 | XGCValues gcv; | ||
312 | Atom atoms_WINDOW_STATE, atoms_WINDOW_STATE_FULLSCREEN; | ||
313 | PongClock *pong_clock; | ||
314 | |||
315 | pong_clock = malloc(sizeof(PongClock)); | ||
316 | memset(pong_clock, 0, sizeof(PongClock)); | ||
317 | |||
318 | if ((pong_clock->xdpy = XOpenDisplay(getenv("DISPLAY"))) == NULL) { | ||
319 | fprintf(stderr, "Cannot connect to X server on display %s.", | ||
320 | getenv("DISPLAY")); | ||
321 | exit(-1); | ||
322 | } | ||
323 | |||
324 | pong_clock->xscreen = DefaultScreen(pong_clock->xdpy); | ||
325 | pong_clock->xwin_root = DefaultRootWindow(pong_clock->xdpy); | ||
326 | pong_clock->xwin_width = DisplayWidth(pong_clock->xdpy, | ||
327 | pong_clock->xscreen); | ||
328 | pong_clock->xwin_height = DisplayHeight(pong_clock->xdpy, | ||
329 | pong_clock->xscreen); | ||
330 | |||
331 | pong_clock->pixelw = pong_clock->xwin_width / RESX; | ||
332 | pong_clock->pixelh = pong_clock->xwin_height / RESY; | ||
333 | |||
334 | pong_clock->ball_x = 0; | ||
335 | pong_clock->ball_y = pong_clock->xwin_height / 2; | ||
336 | |||
337 | pong_clock->ball_dx = BALLDX; | ||
338 | pong_clock->ball_dy = BALLDY; | ||
339 | |||
340 | pong_clock->batb_y = pong_clock->bata_y = pong_clock->ball_y; | ||
341 | |||
342 | gcv.background = BlackPixel(pong_clock->xdpy, | ||
343 | pong_clock->xscreen); | ||
344 | gcv.foreground = WhitePixel(pong_clock->xdpy, | ||
345 | pong_clock->xscreen); | ||
346 | gcv.graphics_exposures = False; | ||
347 | |||
348 | pong_clock->xgc = XCreateGC (pong_clock->xdpy, pong_clock->xwin_root, | ||
349 | GCForeground|GCBackground|GCGraphicsExposures, | ||
350 | &gcv); | ||
351 | |||
352 | atoms_WINDOW_STATE | ||
353 | = XInternAtom(pong_clock->xdpy, "_NET_WM_STATE",False); | ||
354 | atoms_WINDOW_STATE_FULLSCREEN | ||
355 | = XInternAtom(pong_clock->xdpy, "_NET_WM_STATE_FULLSCREEN",False); | ||
356 | |||
357 | pong_clock->xwin = XCreateSimpleWindow(pong_clock->xdpy, | ||
358 | pong_clock->xwin_root, | ||
359 | 0, 0, | ||
360 | pong_clock->xwin_width, | ||
361 | pong_clock->xwin_height, | ||
362 | 0, | ||
363 | WhitePixel(pong_clock->xdpy, | ||
364 | pong_clock->xscreen), | ||
365 | BlackPixel(pong_clock->xdpy, | ||
366 | pong_clock->xscreen)); | ||
367 | |||
368 | pong_clock->backbuffer = XCreatePixmap(pong_clock->xdpy, | ||
369 | pong_clock->xwin_root, | ||
370 | pong_clock->xwin_width, | ||
371 | pong_clock->xwin_height, | ||
372 | DefaultDepth(pong_clock->xdpy, | ||
373 | pong_clock->xscreen)); | ||
374 | |||
375 | XSelectInput(pong_clock->xdpy, pong_clock->xwin, KeyPressMask); | ||
376 | |||
377 | |||
378 | /* Set the hints for fullscreen */ | ||
379 | XChangeProperty(pong_clock->xdpy, | ||
380 | pong_clock->xwin, | ||
381 | atoms_WINDOW_STATE, | ||
382 | XA_ATOM, | ||
383 | 32, | ||
384 | PropModeReplace, | ||
385 | (unsigned char *) &atoms_WINDOW_STATE_FULLSCREEN, 1); | ||
386 | |||
387 | XMapWindow(pong_clock->xdpy, pong_clock->xwin); | ||
388 | |||
389 | while (True) | ||
390 | { | ||
391 | struct timeval timeout; | ||
392 | XEvent xev; | ||
393 | |||
394 | timeout.tv_sec = 0; | ||
395 | timeout.tv_usec = 1000000 / FPS; | ||
396 | select (0, NULL, NULL, NULL, &timeout); | ||
397 | |||
398 | draw_frame (pong_clock); | ||
399 | |||
400 | XFlush(pong_clock->xdpy); | ||
401 | |||
402 | if (XPending(pong_clock->xdpy)) | ||
403 | { | ||
404 | if (XCheckMaskEvent(pong_clock->xdpy, | ||
405 | KeyPressMask, | ||
406 | &xev)) | ||
407 | exit(-1); | ||
408 | } | ||
409 | } | ||
410 | } | ||
diff --git a/meta/packages/pong-clock/pong-clock_1.0.bb b/meta/packages/pong-clock/pong-clock_1.0.bb new file mode 100644 index 0000000000..3bbab7d8bb --- /dev/null +++ b/meta/packages/pong-clock/pong-clock_1.0.bb | |||
@@ -0,0 +1,15 @@ | |||
1 | DESCRIPTION = "A clock combined with a game of pong" | ||
2 | LICENCE = "GPLv2" | ||
3 | |||
4 | SRC_URI = "file://pong-clock-no-flicker.c" | ||
5 | |||
6 | S = "${WORKDIR}" | ||
7 | |||
8 | do_compile () { | ||
9 | ${CC} -o pong-clock pong-clock-no-flicker.c `pkg-config --cflags --libs x11 xau xdmcp` | ||
10 | } | ||
11 | |||
12 | do_install () { | ||
13 | install -d ${D}${bindir} | ||
14 | install -m 0755 pong-clock ${D}${bindir} | ||
15 | } \ No newline at end of file | ||