static void
event_loop(Display *dpy, Window win,
EGLDisplay egl_dpy, EGLSurface egl_surf)
{
int redraw = 0;
while (1) {
XEvent event;
if (XPending(dpy) > 0) {
XNextEvent(dpy, &event);
switch(handle_input(&event)) {
case 1:
redraw = 1;
break;
case 2:
return;
case 3:
redraw = 3;
break;
default:
break;
}
}
if (!redraw) {
wait_sleep();
}
if (redraw == 1) {
view_rotx += 0.1;
draw();
}
eglSwapBuffers(egl_dpy, egl_surf);
}
}
void
semaphore_down(semaphore_t *s, proc_t* proc)
{
/**
* aquire semaphore
* If a resource is available aquire it
* else wait with max time till waken up on resource release
*/
if(s->count > 0)
s->count--;
else
wait_sleep(&(s->wait_list), proc, 0);
}
int main(int argc, char *argv[])
{
char textstr[4096];
char ** line;
int * len;
int lines;
int i;
int fbdev,c,option_index;
unsigned int alpha;
ssize_t read(int fd, void *buf, size_t count);
struct fb_var_screeninfo var;
struct fb_fix_screeninfo fix;
/* Initialize consoles */
init_consoles();
alpha = 100;
while (1) {
static struct option long_options[] = {
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{"info", no_argument, 0, 'i'},
{"zygote", no_argument, 0, 'z'},
{"power", no_argument, 0, 'p'},
{"clear", no_argument, 0, 'c'},
{"brightness", required_argument, 0, 'b'},
{"boxwidth", required_argument, 0, 'w'},
{"font", required_argument, 0, 'f'},
{"size", required_argument, 0, 's'},
{"textcolor", required_argument, 0, 't'},
{"alpha", required_argument, 0, 'a'},
{0, 0, 0, 0}
};
c = getopt_long(argc, argv, ":x:y:h?Vizpcb:w:f:s:t:a:",
long_options, &option_index);
if (c == -1)
break;
switch (c) {
case 'x':
fbxpos = atoi(optarg);
break;
case 'y':
fbypos = atoi(optarg);
break;
case '?':
case 'h':
usage(argv[0]);
exit(0);
case 'V':
version();
exit(0);
case 'i':
display_info();
exit(0);
case 'z':
if (optind >= argc) {
printf("No text\n");
exit(0);
}
printf("Zygote Mode.\n");
printf("Waiting for display to sleep...\n");
wait_sleep();
power_display();
set_brightness(brightness,blen);
wait_wake();
clear_display();
break;
case 'p':
power_key();
exit(0);
case 'c':
clear_display();
printf("Device display cleared.\n");
exit(0);
case 'b':
brightness = atoi(optarg);
if (brightness > 100 && brightness <= 255 ) {
blen = 3;
} else if (brightness <= 99 && brightness >= 10 ) {
blen = 2;
} else if (brightness <= 9 && brightness >= 0 ) {
blen = 1;
}
break;
case 'w':
boxwidth = atoi(optarg);
break;
case 'f':
strict_font=1;
font=strdup(optarg);
break;
case 's':
fontsize=strtol(optarg, NULL, 10);
break;
case 't':
if (strlen(optarg) != 6) {
printf("Invalid color!\n");
exit(0);
}
fontcolor=strtol(optarg, NULL, 16);
break;
case 'a':
alpha = atoi(optarg);
if (alpha > 100)
alpha = 100;
break;
default:
break;
}
}
if (optind >= argc) {
printf("No text\n");
exit(0);
}
// Power on display
power_display();
// Set the brightness
set_brightness(brightness,blen);
// Initialize framebuffer
fbdev = open("/dev/graphics/fb0", O_RDWR);
if (fbdev < 0) {
fprintf(stderr, "Error opening framebuffer on device.\n");
exit(fbdev);
}
ioctl(fbdev, FBIOGET_VSCREENINFO, &var);
fbbytes = var.bits_per_pixel>>3;
fbx=var.xres;
fby=var.yres;
ioctl(fbdev, FBIOGET_FSCREENINFO, &fix);
fblinelen = fix.line_length;
fbyposoff = fbypos;
lines = strwrap(argv[optind], boxwidth, &line, &len);
for (i = 0; i < lines; i++)
{
if (i > 0)
{
fbypos += fontsize;
}
if (fbypos + fontsize >= fby - fbyposoff)
{
exit(0);
}
strncpy(textstr, line[i], len[i]);
textstr[len[i]] = '\0';
//printf("%4d |%-*s|\n", len[i], boxwidth, argv[optind]);
framebuffer = mmap(NULL, fblinelen* fby ,
PROT_WRITE | PROT_READ, MAP_SHARED, fbdev, var.yoffset * fblinelen);
rendertext (("%s", len[i], boxwidth, textstr), font, fontsize, reverse(fontcolor));
}
free(line);
free(len);
return 0;
}
