X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=hacks%2Frd-bomb.c;h=0c074ea49f442e928539ab323da3f939e9af6383;hb=c1b9b55ad8d59dc05ef55e316aebf5863e7dfa56;hp=c4b56391d2044ab9edd07a7953e67d06ab21be9e;hpb=49f5b54f312fe4ac2e9bc47581a72451bd0e8439;p=xscreensaver diff --git a/hacks/rd-bomb.c b/hacks/rd-bomb.c index c4b56391..0c074ea4 100644 --- a/hacks/rd-bomb.c +++ b/hacks/rd-bomb.c @@ -1,5 +1,4 @@ -/* xscreensaver, Copyright (c) 1992, 1995, 1997, 1998, 1999, 2003, 2006 - * Jamie Zawinski +/* xscreensaver, Copyright (c) 1992-2008 Jamie Zawinski * * reaction/diffusion textures * Copyright (c) 1997 Scott Draves spot@transmeta.com @@ -33,7 +32,6 @@ struct state { Display *dpy; Window window; - int verbose; int ncolors; XColor *colors; Visual *visual; @@ -87,22 +85,26 @@ static void random_colors(struct state *st); /* why strip bit? */ #define R (random()&((1<<30)-1)) +#define BELLRAND(x) (((random()%(x)) + (random()%(x)) + (random()%(x)))/3) /* returns number of pixels that the pixack produces. called once. */ static void pixack_init(struct state *st, int *size_h, int *size_v) { - int sz_base; - st->width = get_integer_resource (st->dpy, "width", "Integer"); + st->width = get_integer_resource (st->dpy, "width", "Integer"); st->height = get_integer_resource (st->dpy, "height", "Integer"); - sz_base = 80 + (R%40); - if (st->width <= 0) st->width = (R%20) ? sz_base : (28 + R%10); - if (st->height <= 0) st->height = (R%20) ? sz_base : (28 + R%10); + + if (st->width <= 0 && st->height <= 0 && (R & 1)) + st->width = st->height = 48 + BELLRAND(256); + + if (st->width <= 0) st->width = 48 + BELLRAND(256); + if (st->height <= 0) st->height = 48 + BELLRAND(256); /* jwz: when (and only when) XSHM is in use on an SGI 8-bit visual, we get shear unless st->width is a multiple of 4. I don't understand why. This is undoubtedly the wrong fix... */ - st->width &= ~0x7; + if (visual_depth (st->xgwa.screen, st->xgwa.visual) == 8) + st->width &= ~0x7; /* don't go there */ if (st->width < 10) st->width = 10; @@ -137,23 +139,7 @@ pixack_frame(struct state *st, char *pix_buf) if (st->frame&0x100) sleep(1); #endif - if (st->verbose) { - double tm = 0; - struct timeval tp; - if (!(st->frame%100)) { - double tm2; -#ifdef GETTIMEOFDAY_TWO_ARGS - struct timezone tzp; - gettimeofday(&tp, &tzp); -#else - gettimeofday(&tp); -#endif - tm2 = tp.tv_sec + tp.tv_usec * 1e-6; - if (st->frame > 0) - printf("fps = %2.4g\n", 100.0 / (tm2 - tm)); - tm = tm2; - } - } + if (!(st->frame%st->epoch_time)) { int s; if (0 != st->frame) { @@ -195,10 +181,6 @@ pixack_frame(struct state *st, char *pix_buf) st->diffusion = (R%5) ? ((R%3)?0:1) : 2; if (2 == st->reaction && 2 == st->diffusion) st->reaction = st->diffusion = 0; - - if (st->verbose) - printf("reaction = %d\ndiffusion = %d\nradius = %d\n", - st->reaction, st->diffusion, st->radius); } for (i = 0; i <= st->width+1; i++) { st->r1[i] = st->r1[i + w2 * st->height]; @@ -311,17 +293,17 @@ pixack_frame(struct state *st, char *pix_buf) static const char *rd_defaults [] = { ".background: black", ".foreground: white", + "*fpsSolid: true", "*width: 0", /* tried to use -1 but it complained */ "*height: 0", "*epoch: 40000", "*reaction: -1", "*diffusion: -1", - "*verbose: off", "*radius: -1", "*speed: 0.0", "*size: 1.0", - "*delay: 20000", - "*colors: -1", + "*delay: 30000", + "*colors: 255", #ifdef HAVE_XSHM_EXTENSION "*useSHM: True", #else @@ -336,7 +318,6 @@ static XrmOptionDescRec rd_options [] = { { "-epoch", ".epoch", XrmoptionSepArg, 0 }, { "-reaction", ".reaction", XrmoptionSepArg, 0 }, { "-diffusion", ".diffusion", XrmoptionSepArg, 0 }, - { "-verbose", ".verbose", XrmoptionNoArg, "True" }, { "-radius", ".radius", XrmoptionSepArg, 0 }, { "-speed", ".speed", XrmoptionSepArg, 0 }, { "-size", ".size", XrmoptionSepArg, 0 }, @@ -427,7 +408,6 @@ rd_init (Display *dpy, Window win) if (random() & 1) st->array_dy = -st->array_dy; } - st->verbose = get_boolean_resource (st->dpy, "verbose", "Boolean"); st->npix = (st->width + 2) * (st->height + 2); w2 = st->width + 2; /* gcv.function = GXcopy;*/ @@ -480,7 +460,7 @@ rd_init (Display *dpy, Window win) st->cmap = st->xgwa.colormap; st->ncolors = get_integer_resource (st->dpy, "colors", "Integer"); - if (st->ncolors <= 0) { + if (st->ncolors <= 0 || st->ncolors >= 255) { if (vdepth > 8) st->ncolors = 2047; else