-/* xscreensaver, Copyright (c) 1992, 1995, 1996, 1997
- * Jamie Zawinski <jwz@netscape.com>
+/* xscreensaver, Copyright (c) 1992-2008 Jamie Zawinski <jwz@jwz.org>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
struct qline *lines;
};
-static GC draw_gc, erase_gc;
-static unsigned int default_fg_pixel;
-static long maxx, maxy, max_spread, max_size;
-static int color_shift;
-static Bool random_p, solid_p, xor_p, transparent_p, gravity_p;
-static int delay;
-static int count;
-static Colormap cmap;
-static int npoly;
+struct state {
+ Display *dpy;
+ Window window;
+
+ GC draw_gc, erase_gc;
+ unsigned int default_fg_pixel;
+ long maxx, maxy, max_spread, max_size;
+ int color_shift;
+ Bool random_p, solid_p, xor_p, transparent_p, gravity_p;
+ int delay;
+ int count;
+ Colormap cmap;
+ int npoly;
+ Bool additive_p;
+ Bool cmap_p;
+
+ GC *gcs[2];
+
+ int gtick;
+
+ struct qix **qixes;
+};
-static GC *gcs[2];
static void
-get_geom (Display *dpy, Window window)
+get_geom (struct state *st)
{
XWindowAttributes xgwa;
- XGetWindowAttributes (dpy, window, &xgwa);
- maxx = ((long)(xgwa.width+1)<<SCALE) - 1;
- maxy = ((long)(xgwa.height+1)<<SCALE) - 1;
+ XGetWindowAttributes (st->dpy, st->window, &xgwa);
+ st->maxx = ((long)(xgwa.width+1)<<SCALE) - 1;
+ st->maxy = ((long)(xgwa.height+1)<<SCALE) - 1;
}
static struct qix *
-init_one_qix (Display *dpy, Window window, int nlines, int npoly)
+init_one_qix (struct state *st, int nlines)
{
int i, j;
struct qix *qix = (struct qix *) calloc (1, sizeof (struct qix));
qix->nlines = nlines;
qix->lines = (struct qline *) calloc (qix->nlines, sizeof (struct qline));
- qix->npoly = npoly;
+ qix->npoly = st->npoly;
for (i = 0; i < qix->nlines; i++)
qix->lines[i].p = (struct qpoint *)
calloc(qix->npoly, sizeof(struct qpoint));
- if (!mono_p && !transparent_p)
+# ifndef HAVE_COCOA
+ if (!mono_p && !st->transparent_p)
+# endif
{
hsv_to_rgb (random () % 360, frand (1.0), frand (0.5) + 0.5,
&qix->lines[0].color.red, &qix->lines[0].color.green,
&qix->lines[0].color.blue);
- if (!XAllocColor (dpy, cmap, &qix->lines[0].color))
+ if (!XAllocColor (st->dpy, st->cmap, &qix->lines[0].color))
{
- qix->lines[0].color.pixel = default_fg_pixel;
- XQueryColor (dpy, cmap, &qix->lines[0].color);
- if (!XAllocColor (dpy, cmap, &qix->lines[0].color))
+ qix->lines[0].color.pixel = st->default_fg_pixel;
+ XQueryColor (st->dpy, st->cmap, &qix->lines[0].color);
+ if (!XAllocColor (st->dpy, st->cmap, &qix->lines[0].color))
abort ();
}
}
- if (max_size == 0)
+ if (st->max_size == 0)
{
for (i = 0; i < qix->npoly; i++)
{
- qix->lines[0].p[i].x = random () % maxx;
- qix->lines[0].p[i].y = random () % maxy;
+ qix->lines[0].p[i].x = random () % st->maxx;
+ qix->lines[0].p[i].y = random () % st->maxy;
}
}
else
{
/*assert(qix->npoly == 2);*/
- qix->lines[0].p[0].x = random () % maxx;
- qix->lines[0].p[0].y = random () % maxy;
- qix->lines[0].p[1].x = qix->lines[0].p[0].x + (random () % (max_size/2));
- qix->lines[0].p[1].y = qix->lines[0].p[0].y + (random () % (max_size/2));
- if (qix->lines[0].p[1].x > maxx) qix->lines[0].p[1].x = maxx;
- if (qix->lines[0].p[1].y > maxy) qix->lines[0].p[1].y = maxy;
+ qix->lines[0].p[0].x = random () % st->maxx;
+ qix->lines[0].p[0].y = random () % st->maxy;
+ qix->lines[0].p[1].x = qix->lines[0].p[0].x + (random () % (st->max_size/2));
+ qix->lines[0].p[1].y = qix->lines[0].p[0].y + (random () % (st->max_size/2));
+ if (qix->lines[0].p[1].x > st->maxx) qix->lines[0].p[1].x = st->maxx;
+ if (qix->lines[0].p[1].y > st->maxy) qix->lines[0].p[1].y = st->maxy;
}
for (i = 0; i < qix->npoly; i++)
{
- qix->lines[0].p[i].dx = (random () % (max_spread + 1)) - (max_spread /2);
- qix->lines[0].p[i].dy = (random () % (max_spread + 1)) - (max_spread /2);
+ qix->lines[0].p[i].dx = (random () % (st->max_spread + 1)) - (st->max_spread /2);
+ qix->lines[0].p[i].dy = (random () % (st->max_spread + 1)) - (st->max_spread /2);
}
qix->lines[0].dead = True;
qix->lines[i].color = qix->lines[0].color;
qix->lines[i].dead = qix->lines[0].dead;
- if (!mono_p && !transparent_p)
- if (!XAllocColor (dpy, cmap, &qix->lines[i].color))
+# ifndef HAVE_COCOA
+ if (!mono_p && !st->transparent_p)
+# endif
+ if (!XAllocColor (st->dpy, st->cmap, &qix->lines[i].color))
abort ();
}
return qix;
-static struct qix **
-init_qix (Display *dpy, Window window)
+static void *
+qix_init (Display *dpy, Window window)
{
+ struct state *st = (struct state *) calloc (1, sizeof(*st));
int nlines;
- struct qix **qixes;
XGCValues gcv;
XWindowAttributes xgwa;
- XGetWindowAttributes (dpy, window, &xgwa);
- cmap = xgwa.colormap;
- count = get_integer_resource ("count", "Integer");
- if (count <= 0) count = 1;
- nlines = get_integer_resource ("segments", "Integer");
+ st->dpy = dpy;
+ st->window = window;
+ XGetWindowAttributes (st->dpy, st->window, &xgwa);
+ st->cmap = xgwa.colormap;
+ st->count = get_integer_resource (st->dpy, "count", "Integer");
+ if (st->count <= 0) st->count = 1;
+ nlines = get_integer_resource (st->dpy, "segments", "Integer");
if (nlines <= 0) nlines = 20;
- npoly = get_integer_resource("poly", "Integer");
- if (npoly <= 2) npoly = 2;
- if (npoly > MAXPOLY) npoly = MAXPOLY;
- get_geom (dpy, window);
- max_spread = get_integer_resource ("spread", "Integer");
- if (max_spread <= 0) max_spread = 10;
- max_spread <<= SCALE;
- max_size = get_integer_resource ("size", "Integer");
- if (max_size < 0) max_size = 0;
- max_size <<= SCALE;
- random_p = get_boolean_resource ("random", "Boolean");
- solid_p = get_boolean_resource ("solid", "Boolean");
- xor_p = get_boolean_resource ("xor", "Boolean");
- transparent_p = get_boolean_resource ("transparent", "Boolean");
- gravity_p = get_boolean_resource("gravity", "Boolean");
- delay = get_integer_resource ("delay", "Integer");
- color_shift = get_integer_resource ("colorShift", "Integer");
- if (color_shift < 0 || color_shift >= 360) color_shift = 5;
- if (delay < 0) delay = 0;
+ st->npoly = get_integer_resource(st->dpy, "poly", "Integer");
+ if (st->npoly <= 2) st->npoly = 2;
+ if (st->npoly > MAXPOLY) st->npoly = MAXPOLY;
+ get_geom (st);
+ st->max_spread = get_integer_resource (st->dpy, "spread", "Integer");
+ if (st->max_spread <= 0) st->max_spread = 10;
+ st->max_spread <<= SCALE;
+ st->max_size = get_integer_resource (st->dpy, "size", "Integer");
+ if (st->max_size < 0) st->max_size = 0;
+ st->max_size <<= SCALE;
+ st->random_p = get_boolean_resource (st->dpy, "random", "Boolean");
+ st->solid_p = get_boolean_resource (st->dpy, "solid", "Boolean");
+ st->xor_p = get_boolean_resource (st->dpy, "xor", "Boolean");
+ st->transparent_p = get_boolean_resource (st->dpy, "transparent", "Boolean");
+ st->gravity_p = get_boolean_resource(st->dpy, "gravity", "Boolean");
+ st->delay = get_integer_resource (st->dpy, "delay", "Integer");
+ st->color_shift = get_integer_resource (st->dpy, "colorShift", "Integer");
+ if (st->color_shift < 0 || st->color_shift >= 360) st->color_shift = 5;
+ if (st->delay < 0) st->delay = 0;
/* Clear up ambiguities regarding npoly */
- if (solid_p)
+ if (st->solid_p)
{
- if (npoly != 2)
+ if (st->npoly != 2)
fprintf(stderr, "%s: Can't have -solid and -poly; using -poly 2\n",
progname);
- npoly = 2;
+ st->npoly = 2;
}
- if (npoly > 2)
+ if (st->npoly > 2)
{
- if (max_size)
+ if (st->max_size)
fprintf(stderr, "%s: Can't have -poly and -size; using -size 0\n",
progname);
- max_size = 0;
+ st->max_size = 0;
}
- if (count == 1 && transparent_p)
- transparent_p = False; /* it's a no-op */
+ if (st->count == 1 && st->transparent_p)
+ st->transparent_p = False; /* it's a no-op */
- if (transparent_p && CellsOfScreen (DefaultScreenOfDisplay (dpy)) <= 2)
+ if (st->transparent_p && CellsOfScreen (DefaultScreenOfDisplay (st->dpy)) <= 2)
{
fprintf (stderr, "%s: -transparent only works on color displays.\n",
progname);
- transparent_p = False;
+ st->transparent_p = False;
}
- if (xor_p && !transparent_p)
+ if (st->xor_p && !st->transparent_p)
mono_p = True;
- gcs[0] = gcs[1] = 0;
- gcv.foreground = default_fg_pixel =
- get_pixel_resource ("foreground", "Foreground", dpy, cmap);
+ st->gcs[0] = st->gcs[1] = 0;
+ gcv.foreground = st->default_fg_pixel =
+ get_pixel_resource (st->dpy, st->cmap, "foreground", "Foreground");
+
+ st->additive_p = get_boolean_resource (st->dpy, "additive", "Boolean");
+ st->cmap_p = has_writable_cells (xgwa.screen, xgwa.visual);
- if (transparent_p)
+# ifndef HAVE_COCOA
+ if (st->transparent_p)
{
- Bool additive_p = get_boolean_resource ("additive", "Boolean");
unsigned long *plane_masks = 0;
unsigned long base_pixel;
- int nplanes = count;
+ int nplanes = st->count;
int i;
- allocate_alpha_colors (dpy, cmap, &nplanes, additive_p, &plane_masks,
+ allocate_alpha_colors (xgwa.screen, xgwa.visual, st->cmap,
+ &nplanes, st->additive_p, &plane_masks,
&base_pixel);
if (nplanes <= 1)
fprintf (stderr,
"%s: couldn't allocate any color planes; turning -transparent off.\n",
progname);
- transparent_p = False;
- if (xor_p)
+ st->transparent_p = False;
+ if (st->xor_p)
goto NON_TRANSPARENT_XOR;
else
goto NON_TRANSPARENT;
}
- else if (nplanes != count)
+ else if (nplanes != st->count)
{
fprintf (stderr,
"%s: only allocated %d color planes (instead of %d).\n",
- progname, nplanes, count);
- count = nplanes;
+ progname, nplanes, st->count);
+ st->count = nplanes;
}
- gcs[0] = (GC *) malloc (count * sizeof (GC));
- gcs[1] = xor_p ? gcs[0] : (GC *) malloc (count * sizeof (GC));
+ st->gcs[0] = (GC *) malloc (st->count * sizeof (GC));
+ st->gcs[1] = (st->xor_p
+ ? st->gcs[0]
+ : (GC *) malloc (st->count * sizeof (GC)));
-
- for (i = 0; i < count; i++)
+ for (i = 0; i < st->count; i++)
{
gcv.plane_mask = plane_masks [i];
gcv.foreground = ~0;
- if (xor_p)
+
+/* argh, I'm not sure how to make "-subtractive" work in truecolor...
+ if (!cmap_p && !additive_p)
+ gcv.function = GXclear;
+ */
+
+ if (st->xor_p)
{
gcv.function = GXxor;
- gcs [0][i] = XCreateGC (dpy, window,
- GCForeground|GCFunction|GCPlaneMask,
- &gcv);
+ st->gcs [0][i] = XCreateGC (st->dpy, st->window,
+ GCForeground|GCFunction|GCPlaneMask,
+ &gcv);
}
else
{
- gcs [0][i] = XCreateGC (dpy, window, GCForeground|GCPlaneMask,
- &gcv);
+ st->gcs [0][i] = XCreateGC (st->dpy, st->window,
+ GCForeground|GCPlaneMask,
+ &gcv);
gcv.foreground = 0;
- gcs [1][i] = XCreateGC (dpy, window, GCForeground|GCPlaneMask,
- &gcv);
+ st->gcs [1][i] = XCreateGC (st->dpy, st->window,
+ GCForeground|GCPlaneMask,
+ &gcv);
+# ifdef HAVE_COCOA
+ /* jwxyz_XSetAntiAliasing (st->dpy, st->gcs [0][i], False);
+ jwxyz_XSetAntiAliasing (st->dpy, st->gcs [1][i], False); */
+ if (st->transparent_p)
+ {
+ jwxyz_XSetAlphaAllowed (dpy, st->gcs [0][i], True);
+ jwxyz_XSetAlphaAllowed (dpy, st->gcs [1][i], True);
+ }
+# endif /* HAVE_COCOA */
}
}
- XSetWindowBackground (dpy, window, base_pixel);
- XClearWindow (dpy, window);
+ if (plane_masks)
+ free (plane_masks);
+
+ XSetWindowBackground (st->dpy, st->window, base_pixel);
+ XClearWindow (st->dpy, st->window);
}
- else if (xor_p)
+ else
+#endif /* !HAVE_COCOA */
+ if (st->xor_p)
{
+#ifndef HAVE_COCOA
NON_TRANSPARENT_XOR:
+#endif
gcv.function = GXxor;
gcv.foreground =
- (default_fg_pixel ^ get_pixel_resource ("background", "Background",
- dpy, cmap));
- draw_gc = erase_gc = XCreateGC(dpy,window,GCForeground|GCFunction,&gcv);
+ (st->default_fg_pixel /* ^ get_pixel_resource (st->dpy, st->cmap,
+ "background", "Background")*/);
+ st->draw_gc = st->erase_gc = XCreateGC(st->dpy,st->window,GCForeground|GCFunction,&gcv);
}
else
{
+#ifndef HAVE_COCOA
NON_TRANSPARENT:
- draw_gc = XCreateGC (dpy, window, GCForeground, &gcv);
- gcv.foreground = get_pixel_resource ("background", "Background",
- dpy, cmap);
- erase_gc = XCreateGC (dpy, window, GCForeground, &gcv);
+#endif
+ st->draw_gc = XCreateGC (st->dpy, st->window, GCForeground, &gcv);
+ gcv.foreground = get_pixel_resource (st->dpy, st->cmap,
+ "background", "Background");
+ st->erase_gc = XCreateGC (st->dpy, st->window, GCForeground, &gcv);
}
- qixes = (struct qix **) malloc ((count + 1) * sizeof (struct qix *));
- qixes [count] = 0;
- while (count--)
+#ifdef HAVE_COCOA
+ if (st->transparent_p)
+ jwxyz_XSetAlphaAllowed (dpy, st->draw_gc, True);
+#endif
+
+ st->qixes = (struct qix **) malloc ((st->count + 1) * sizeof (struct qix *));
+ st->qixes [st->count] = 0;
+ while (st->count--)
{
- qixes [count] = init_one_qix (dpy, window, nlines, npoly);
- qixes [count]->id = count;
+ st->qixes [st->count] = init_one_qix (st, nlines);
+ st->qixes [st->count]->id = st->count;
}
- return qixes;
+
+# ifdef HAVE_COCOA
+ /* line-mode leaves turds without this. */
+ jwxyz_XSetAntiAliasing (st->dpy, st->erase_gc, False);
+ jwxyz_XSetAntiAliasing (st->dpy, st->draw_gc, False);
+# endif
+
+ return st;
}
static void
-free_qline (Display *dpy, Window window, Colormap cmap,
+free_qline (struct state *st,
struct qline *qline,
struct qline *prev,
struct qix *qix)
int i;
if (qline->dead || !prev)
;
- else if (solid_p)
+ else if (st->solid_p)
{
XPoint points [4];
/*assert(qix->npoly == 2);*/
points [2].y = prev->p[1].y >> SCALE;
points [3].x = prev->p[0].x >> SCALE;
points [3].y = prev->p[0].y >> SCALE;
- XFillPolygon (dpy, window, (transparent_p ? gcs[1][qix->id] : erase_gc),
+ XFillPolygon (st->dpy, st->window,
+ (st->transparent_p && st->gcs[1]
+ ? st->gcs[1][qix->id]
+ : st->erase_gc),
points, 4, Complex, CoordModeOrigin);
}
else
{
/* XDrawLine (dpy, window, (transparent_p ? gcs[1][qix->id] : erase_gc),
qline->p1.x, qline->p1.y, qline->p2.x, qline->p2.y);*/
- static XPoint points[MAXPOLY+1];
+ XPoint points[MAXPOLY+1];
for(i = 0; i < qix->npoly; i++)
{
points[i].x = qline->p[i].x >> SCALE;
points[i].y = qline->p[i].y >> SCALE;
}
points[qix->npoly] = points[0];
- XDrawLines(dpy, window, (transparent_p ? gcs[1][qix->id] : erase_gc),
+ XDrawLines(st->dpy, st->window,
+ (st->transparent_p && st->gcs[1]
+ ? st->gcs[1][qix->id]
+ : st->erase_gc),
points, qix->npoly+1, CoordModeOrigin);
}
- if (!mono_p && !transparent_p)
- XFreeColors (dpy, cmap, &qline->color.pixel, 1, 0);
+ if (!mono_p && !st->transparent_p)
+ XFreeColors (st->dpy, st->cmap, &qline->color.pixel, 1, 0);
qline->dead = True;
}
static void
-add_qline (Display *dpy, Window window, Colormap cmap,
+add_qline (struct state *st,
struct qline *qline,
struct qline *prev_qline,
struct qix *qix)
qline->dead = prev_qline->dead;
#define wiggle(point,delta,max) \
- if (random_p) delta += (random () % (1 << (SCALE+1))) - (1 << SCALE); \
- if (delta > max_spread) delta = max_spread; \
- else if (delta < -max_spread) delta = -max_spread; \
+ if (st->random_p) delta += (random () % (1 << (SCALE+1))) - (1 << SCALE); \
+ if (delta > st->max_spread) delta = st->max_spread; \
+ else if (delta < -st->max_spread) delta = -st->max_spread; \
point += delta; \
if (point < 0) point = 0, delta = -delta, point += delta<<1; \
else if (point > max) point = max, delta = -delta, point += delta<<1;
- if (gravity_p)
+ if (st->gravity_p)
for(i=0; i<qix->npoly; i++)
qline->p[i].dy += 3;
for (i = 0; i < qix->npoly; i++)
{
- wiggle (qline->p[i].x, qline->p[i].dx, maxx);
- wiggle (qline->p[i].y, qline->p[i].dy, maxy);
+ wiggle (qline->p[i].x, qline->p[i].dx, st->maxx);
+ wiggle (qline->p[i].y, qline->p[i].dy, st->maxy);
}
- if (max_size)
+ if (st->max_size)
{
/*assert(qix->npoly == 2);*/
- if (qline->p[0].x - qline->p[1].x > max_size)
- qline->p[0].x = qline->p[1].x + max_size
- - (random_p ? random() % max_spread : 0);
- else if (qline->p[1].x - qline->p[0].x > max_size)
- qline->p[1].x = qline->p[0].x + max_size
- - (random_p ? random() % max_spread : 0);
- if (qline->p[0].y - qline->p[1].y > max_size)
- qline->p[0].y = qline->p[1].y + max_size
- - (random_p ? random() % max_spread : 0);
- else if (qline->p[1].y - qline->p[0].y > max_size)
- qline->p[1].y = qline->p[0].y + max_size
- - (random_p ? random() % max_spread : 0);
+ if (qline->p[0].x - qline->p[1].x > st->max_size)
+ qline->p[0].x = qline->p[1].x + st->max_size
+ - (st->random_p ? random() % st->max_spread : 0);
+ else if (qline->p[1].x - qline->p[0].x > st->max_size)
+ qline->p[1].x = qline->p[0].x + st->max_size
+ - (st->random_p ? random() % st->max_spread : 0);
+ if (qline->p[0].y - qline->p[1].y > st->max_size)
+ qline->p[0].y = qline->p[1].y + st->max_size
+ - (st->random_p ? random() % st->max_spread : 0);
+ else if (qline->p[1].y - qline->p[0].y > st->max_size)
+ qline->p[1].y = qline->p[0].y + st->max_size
+ - (st->random_p ? random() % st->max_spread : 0);
}
- if (!mono_p && !transparent_p)
+#ifndef HAVE_COCOA
+ if (!mono_p && !st->transparent_p)
+#endif
{
XColor desired;
double s, v;
rgb_to_hsv (qline->color.red, qline->color.green, qline->color.blue,
&h, &s, &v);
- h = (h + color_shift) % 360;
+ h = (h + st->color_shift) % 360;
hsv_to_rgb (h, s, v,
&qline->color.red, &qline->color.green, &qline->color.blue);
qline->color.flags = DoRed | DoGreen | DoBlue;
desired = qline->color;
- if (XAllocColor (dpy, cmap, &qline->color))
+ if (XAllocColor (st->dpy, st->cmap, &qline->color))
{
/* XAllocColor returns the actual RGB that the hardware let us
allocate. Restore the requested values into the XColor struct
else
{
qline->color = prev_qline->color;
- if (!XAllocColor (dpy, cmap, &qline->color))
+ if (!XAllocColor (st->dpy, st->cmap, &qline->color))
abort (); /* same color should work */
}
- XSetForeground (dpy, draw_gc, qline->color.pixel);
+
+# ifdef HAVE_COCOA
+ if (st->transparent_p)
+ {
+ /* give a non-opaque alpha to the color */
+ unsigned long pixel = qline->color.pixel;
+ unsigned long amask = BlackPixelOfScreen (0);
+ unsigned long a = (0xBBBBBBBB & amask);
+ pixel = (pixel & (~amask)) | a;
+ qline->color.pixel = pixel;
+ }
+# endif /* HAVE_COCOA */
+
+ XSetForeground (st->dpy, st->draw_gc, qline->color.pixel);
}
- if (! solid_p)
+ if (! st->solid_p)
{
/* XDrawLine (dpy, window, (transparent_p ? gcs[0][qix->id] : draw_gc),
qline->p1.x, qline->p1.y, qline->p2.x, qline->p2.y);*/
- static XPoint points[MAXPOLY+1];
+ XPoint points[MAXPOLY+1];
for (i = 0; i < qix->npoly; i++)
{
points[i].x = qline->p[i].x >> SCALE;
points[i].y = qline->p[i].y >> SCALE;
}
points[qix->npoly] = points[0];
- XDrawLines(dpy, window, (transparent_p ? gcs[0][qix->id] : draw_gc),
+ XDrawLines(st->dpy, st->window,
+ (st->transparent_p && st->gcs[0]
+ ? st->gcs[0][qix->id]
+ : st->draw_gc),
points, qix->npoly+1, CoordModeOrigin);
}
else if (!prev_qline->dead)
points [2].y = prev_qline->p[1].y >> SCALE;
points [3].x = prev_qline->p[0].x >> SCALE;
points [3].y = prev_qline->p[0].y >> SCALE;
- XFillPolygon (dpy, window, (transparent_p ? gcs[0][qix->id] : draw_gc),
+ XFillPolygon (st->dpy, st->window,
+ (st->transparent_p && st->gcs[0]
+ ? st->gcs[0][qix->id]
+ : st->draw_gc),
points, 4, Complex, CoordModeOrigin);
}
}
static void
-qix1 (Display *dpy, Window window, struct qix *qix)
+qix1 (struct state *st, struct qix *qix)
{
int ofp = qix->fp - 1;
- static int gtick = 0;
if (ofp < 0) ofp = qix->nlines - 1;
- if (gtick++ == 500)
- get_geom (dpy, window), gtick = 0;
- free_qline (dpy, window, cmap, &qix->lines [qix->fp],
+ if (st->gtick++ == 500)
+ get_geom (st), st->gtick = 0;
+ free_qline (st, &qix->lines [qix->fp],
&qix->lines[(qix->fp + 1) % qix->nlines], qix);
- add_qline (dpy, window, cmap, &qix->lines[qix->fp], &qix->lines[ofp], qix);
+ add_qline (st, &qix->lines[qix->fp], &qix->lines[ofp], qix);
if ((++qix->fp) >= qix->nlines)
qix->fp = 0;
}
-\f
-char *progclass = "Qix";
-char *defaults [] = {
- "Qix.background: black", /* to placate SGI */
- "Qix.foreground: white",
- "*count: 1",
- "*segments: 50",
+static unsigned long
+qix_draw (Display *dpy, Window window, void *closure)
+{
+ struct state *st = (struct state *) closure;
+ struct qix **q1 = st->qixes;
+ struct qix **qn;
+ for (qn = q1; *qn; qn++)
+ qix1 (st, *qn);
+ return st->delay;
+}
+
+static void
+qix_reshape (Display *dpy, Window window, void *closure,
+ unsigned int w, unsigned int h)
+{
+ struct state *st = (struct state *) closure;
+ get_geom (st);
+}
+
+static Bool
+qix_event (Display *dpy, Window window, void *closure, XEvent *event)
+{
+ return False;
+}
+
+static void
+qix_free (Display *dpy, Window window, void *closure)
+{
+ struct state *st = (struct state *) closure;
+ if (st->gcs[0])
+ free (st->gcs[0]);
+ if (st->gcs[1] && st->gcs[0] != st->gcs[1])
+ free (st->gcs[1]);
+ free (st->qixes);
+ free (st);
+}
+
+\f
+static const char *qix_defaults [] = {
+ ".background: black",
+ ".foreground: white",
+ "*fpsSolid: true",
+ "*count: 4",
+ "*segments: 250",
"*poly: 2",
"*spread: 8",
- "*size: 0",
+ "*size: 200",
"*colorShift: 3",
- "*solid: false",
+ "*solid: true",
"*delay: 10000",
- "*random: true",
+ "*random: false",
"*xor: false",
- "*transparent:false",
+ "*transparent:true",
"*gravity: false",
"*additive: true",
0
};
-XrmOptionDescRec options [] = {
+static XrmOptionDescRec qix_options [] = {
{ "-count", ".count", XrmoptionSepArg, 0 },
{ "-segments", ".segments", XrmoptionSepArg, 0 },
{ "-poly", ".poly", XrmoptionSepArg, 0 },
{ 0, 0, 0, 0 }
};
-void
-screenhack (Display *dpy, Window window)
-{
- struct qix **q1 = init_qix (dpy, window);
- struct qix **qn;
- while (1)
- for (qn = q1; *qn; qn++)
- {
- qix1 (dpy, window, *qn);
- XSync (dpy, True);
- if (delay) usleep (delay);
- }
-}
+XSCREENSAVER_MODULE ("Qix", qix)