diff options
Diffstat (limited to 'poky/meta/recipes-graphics/pong-clock')
-rw-r--r-- | poky/meta/recipes-graphics/pong-clock/pong-clock/pong-clock-no-flicker.c | 410 | ||||
-rw-r--r-- | poky/meta/recipes-graphics/pong-clock/pong-clock_1.0.bb | 22 |
2 files changed, 432 insertions, 0 deletions
diff --git a/poky/meta/recipes-graphics/pong-clock/pong-clock/pong-clock-no-flicker.c b/poky/meta/recipes-graphics/pong-clock/pong-clock/pong-clock-no-flicker.c new file mode 100644 index 000000000..41cebc58a --- /dev/null +++ b/poky/meta/recipes-graphics/pong-clock/pong-clock/pong-clock-no-flicker.c @@ -0,0 +1,410 @@ +/* + * Pong Clock - A clock that plays pong. + * See http://mocoloco.com/archives/001766.php for the inspiration. + * + * Copyright (C) 2005 Matthew Allum + * + * Author: Matthew Allum mallum@openedhand.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include <stdlib.h> +#include <time.h> +#include <sys/time.h> +#include <sys/types.h> +#include <string.h> +#include <stdio.h> +#include <unistd.h> +#include <signal.h> + +#include <X11/Xlib.h> +#include <X11/Xutil.h> +#include <X11/Xatom.h> + +/* Tweak values for different hw setups */ + +#define FPS 50 +#define RESX 40 +#define RESY 40 +#define TO_MISS_SECS 55 +#define BALLDX 16 +#define BALLDY 4 + + +typedef struct PongClock +{ + Display *xdpy; + int xscreen; + Window xwin, xwin_root; + Pixmap backbuffer; + GC xgc; + int xwin_width, xwin_height; + int pixelw, pixelh; + + int ball_x, ball_y, ball_dx, ball_dy; + int bata_y, batb_y; + Bool bata_to_miss, batb_to_miss; + +} +PongClock; + +void +get_time(int *hour, int *min, int *sec) +{ + struct timeval tv; + struct tm *localTime = NULL; + time_t actualTime; + + gettimeofday(&tv, 0); + actualTime = tv.tv_sec; + localTime = localtime(&actualTime); + + if (hour) + *hour = localTime->tm_hour; + + if (min) + *min = localTime->tm_min; + + if (sec) + *sec = localTime->tm_sec; +} + +void +draw_rect (PongClock *pong_clock, + int x, + int y, + int width, + int height) +{ + XFillRectangle (pong_clock->xdpy, + pong_clock->backbuffer, + pong_clock->xgc, + x * pong_clock->pixelw, + y * pong_clock->pixelh, + width * pong_clock->pixelw, + height * pong_clock->pixelh); +} + +void +draw_field (PongClock *pong_clock) +{ + int i; + + draw_rect (pong_clock, 0, 0, RESX+1, 1); + draw_rect (pong_clock, 0, RESY-1, RESX+1, 1); + + for (i=0; i < RESY/2; i++) + draw_rect (pong_clock, (RESX/2)-1, i*2, 2, 1); +} + +void +draw_digit (PongClock *pong_clock, + int x, + int y, + int digit) +{ + int digits[] = { 0x1f8c63f, 0x1f21086, 0x1f0fe1f, 0x1f87e1f, 0x1087e31, + 0x1f87c3f, 0x1f8fc3f, 0x84421f, 0x1f8fe3f, 0x1087e3f }; + + XRectangle rects[5*5]; + int i,j,k; + + i = 0; + + for (k=0; k<5; k++) + for (j=0; j<5; j++) + if (digits[digit] & (1 << ((k*5)+j))) + { + rects[i].x = (x + j) * pong_clock->pixelw; + rects[i].y = (y + k) * pong_clock->pixelh; + rects[i].width = pong_clock->pixelw; + rects[i].height = pong_clock->pixelh; + i++; + } + + XFillRectangles (pong_clock->xdpy, + pong_clock->backbuffer, + pong_clock->xgc, + rects, i); +} + +void +draw_time (PongClock *pong_clock) +{ + int hour, min; + + get_time(&hour, &min, NULL); + + draw_digit (pong_clock, + (RESX/2) - 14, + 5, + hour / 10 ); + + draw_digit (pong_clock, + (RESX/2) - 8, + 5, + hour % 10 ); + + draw_digit (pong_clock, + (RESX/2) + 3, + 5, + min / 10 ); + + draw_digit (pong_clock, + (RESX/2) + 9, + 5, + min % 10 ); +} + +void +draw_bat_and_ball (PongClock *pong_clock) +{ + /* ball */ + + XFillRectangle (pong_clock->xdpy, + pong_clock->backbuffer, + pong_clock->xgc, + pong_clock->ball_x, + pong_clock->ball_y, + pong_clock->pixelw, + pong_clock->pixelh); + + /* bat a */ + + XFillRectangle (pong_clock->xdpy, + pong_clock->backbuffer, + pong_clock->xgc, + 0, + pong_clock->bata_y - (2 * pong_clock->pixelh), + pong_clock->pixelw, + pong_clock->pixelh * 5); + + /* bat b */ + + XFillRectangle (pong_clock->xdpy, + pong_clock->backbuffer, + pong_clock->xgc, + (pong_clock->xwin_width - pong_clock->pixelw), + pong_clock->batb_y - (2 * pong_clock->pixelh), + pong_clock->pixelw, + pong_clock->pixelh * 5); + +} + +void +update_state (PongClock *pong_clock) +{ + int sec, min, hour; + + get_time(&hour, &min, &sec); + + /* Check ball is on field and no ones dues to miss a shot. + */ + if ( (pong_clock->ball_x < 0 && !pong_clock->bata_to_miss) + || (pong_clock->ball_x > (pong_clock->xwin_width - pong_clock->pixelw) + && !pong_clock->batb_to_miss) ) + pong_clock->ball_dx *= -1; + + if ((pong_clock->ball_y < pong_clock->pixelh) + || pong_clock->ball_y > (pong_clock->xwin_height - (2*pong_clock->pixelh))) + pong_clock->ball_dy *= -1; + + pong_clock->ball_x += pong_clock->ball_dx; + pong_clock->ball_y += pong_clock->ball_dy; + + /* Set up someone to miss if we getting close to an hour or min. + */ + if (sec > TO_MISS_SECS) + { + if (min == 59) + pong_clock->batb_to_miss = True; + else + pong_clock->bata_to_miss = True; + } + else + { + /* Reset the game */ + if (pong_clock->bata_to_miss) + { + pong_clock->bata_to_miss = False; + pong_clock->ball_y = pong_clock->bata_y; + pong_clock->ball_x = pong_clock->pixelw; + pong_clock->ball_dx *= -1; + } + + if (pong_clock->batb_to_miss) + { + pong_clock->batb_to_miss = False; + pong_clock->ball_y = pong_clock->batb_y; + pong_clock->ball_x = pong_clock->xwin_width - pong_clock->pixelw; + pong_clock->ball_dx *= -1; + } + } + + /* Keep bats on field and only move in not setup to miss */ + if (pong_clock->ball_y >= (3*pong_clock->pixelh) + && pong_clock->ball_y <= (pong_clock->xwin_height - (5*pong_clock->pixelh))) + { + if (!pong_clock->batb_to_miss) + pong_clock->batb_y = pong_clock->ball_y; + + if (!pong_clock->bata_to_miss) + pong_clock->bata_y = pong_clock->ball_y; + } +} + +void +draw_frame (PongClock *pong_clock) +{ + update_state (pong_clock); + + /* Clear playfield */ + XSetForeground (pong_clock->xdpy, + pong_clock->xgc, + BlackPixel(pong_clock->xdpy, + pong_clock->xscreen)); + + XFillRectangle (pong_clock->xdpy, + pong_clock->backbuffer, + pong_clock->xgc, + 0, 0, + pong_clock->xwin_width, + pong_clock->xwin_height); + + XSetForeground (pong_clock->xdpy, + pong_clock->xgc, + WhitePixel(pong_clock->xdpy, + pong_clock->xscreen)); + + draw_field (pong_clock); + + draw_time (pong_clock); + + draw_bat_and_ball (pong_clock); + + /* flip 'backbuffer' */ + XSetWindowBackgroundPixmap (pong_clock->xdpy, + pong_clock->xwin, + pong_clock->backbuffer); + XClearWindow(pong_clock->xdpy, pong_clock->xwin); + + XSync(pong_clock->xdpy, False); +} + +int +main (int argc, char **argv) +{ + XGCValues gcv; + Atom atoms_WINDOW_STATE, atoms_WINDOW_STATE_FULLSCREEN; + PongClock *pong_clock; + + pong_clock = malloc(sizeof(PongClock)); + memset(pong_clock, 0, sizeof(PongClock)); + + if ((pong_clock->xdpy = XOpenDisplay(getenv("DISPLAY"))) == NULL) { + fprintf(stderr, "Cannot connect to X server on display %s.", + getenv("DISPLAY")); + exit(-1); + } + + pong_clock->xscreen = DefaultScreen(pong_clock->xdpy); + pong_clock->xwin_root = DefaultRootWindow(pong_clock->xdpy); + pong_clock->xwin_width = DisplayWidth(pong_clock->xdpy, + pong_clock->xscreen); + pong_clock->xwin_height = DisplayHeight(pong_clock->xdpy, + pong_clock->xscreen); + + pong_clock->pixelw = pong_clock->xwin_width / RESX; + pong_clock->pixelh = pong_clock->xwin_height / RESY; + + pong_clock->ball_x = 0; + pong_clock->ball_y = pong_clock->xwin_height / 2; + + pong_clock->ball_dx = BALLDX; + pong_clock->ball_dy = BALLDY; + + pong_clock->batb_y = pong_clock->bata_y = pong_clock->ball_y; + + gcv.background = BlackPixel(pong_clock->xdpy, + pong_clock->xscreen); + gcv.foreground = WhitePixel(pong_clock->xdpy, + pong_clock->xscreen); + gcv.graphics_exposures = False; + + pong_clock->xgc = XCreateGC (pong_clock->xdpy, pong_clock->xwin_root, + GCForeground|GCBackground|GCGraphicsExposures, + &gcv); + + atoms_WINDOW_STATE + = XInternAtom(pong_clock->xdpy, "_NET_WM_STATE",False); + atoms_WINDOW_STATE_FULLSCREEN + = XInternAtom(pong_clock->xdpy, "_NET_WM_STATE_FULLSCREEN",False); + + pong_clock->xwin = XCreateSimpleWindow(pong_clock->xdpy, + pong_clock->xwin_root, + 0, 0, + pong_clock->xwin_width, + pong_clock->xwin_height, + 0, + WhitePixel(pong_clock->xdpy, + pong_clock->xscreen), + BlackPixel(pong_clock->xdpy, + pong_clock->xscreen)); + + pong_clock->backbuffer = XCreatePixmap(pong_clock->xdpy, + pong_clock->xwin_root, + pong_clock->xwin_width, + pong_clock->xwin_height, + DefaultDepth(pong_clock->xdpy, + pong_clock->xscreen)); + + XSelectInput(pong_clock->xdpy, pong_clock->xwin, KeyPressMask); + + + /* Set the hints for fullscreen */ + XChangeProperty(pong_clock->xdpy, + pong_clock->xwin, + atoms_WINDOW_STATE, + XA_ATOM, + 32, + PropModeReplace, + (unsigned char *) &atoms_WINDOW_STATE_FULLSCREEN, 1); + + XMapWindow(pong_clock->xdpy, pong_clock->xwin); + + while (True) + { + struct timeval timeout; + XEvent xev; + + timeout.tv_sec = 0; + timeout.tv_usec = 1000000 / FPS; + select (0, NULL, NULL, NULL, &timeout); + + draw_frame (pong_clock); + + XFlush(pong_clock->xdpy); + + if (XPending(pong_clock->xdpy)) + { + if (XCheckMaskEvent(pong_clock->xdpy, + KeyPressMask, + &xev)) + exit(-1); + } + } +} diff --git a/poky/meta/recipes-graphics/pong-clock/pong-clock_1.0.bb b/poky/meta/recipes-graphics/pong-clock/pong-clock_1.0.bb new file mode 100644 index 000000000..cdfe38a22 --- /dev/null +++ b/poky/meta/recipes-graphics/pong-clock/pong-clock_1.0.bb @@ -0,0 +1,22 @@ +SUMMARY = "A clock combined with a game of pong" +LICENSE = "GPLv2+" +DEPENDS = "virtual/libx11 xdmcp xau" + +inherit distro_features_check pkgconfig +# depends on virtual/libx11 +REQUIRED_DISTRO_FEATURES = "x11" + +SRC_URI = "file://pong-clock-no-flicker.c" + +LIC_FILES_CHKSUM = "file://pong-clock-no-flicker.c;beginline=1;endline=23;md5=dd248d50f73f746d1ee78586b0b2ebd3" + +S = "${WORKDIR}" + +do_compile () { + ${CC} ${CFLAGS} ${LDFLAGS} -o pong-clock pong-clock-no-flicker.c `pkg-config --cflags --libs x11 xau xdmcp` +} + +do_install () { + install -d ${D}${bindir} + install -m 0755 pong-clock ${D}${bindir} +} |