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From http://www.jwz.org/xscreensaver/xscreensaver-5.38.tar.gz
[xscreensaver]
/
hacks
/
drift.c
diff --git
a/hacks/drift.c
b/hacks/drift.c
index e24a40ee04e8a69e859491c52664b9aadce96adb..e88986b234fd6c2c8022130f630bb8214b5ca1de 100644
(file)
--- a/
hacks/drift.c
+++ b/
hacks/drift.c
@@
-40,8
+40,9
@@
static const char sccsid[] = "@(#)drift.c 5.00 2000/11/01 xlockmore";
# define SMOOTH_COLORS
# define release_drift 0
# define SMOOTH_COLORS
# define release_drift 0
+# define reshape_drift 0
+# define drift_handle_event 0
# include "xlockmore.h" /* in xscreensaver distribution */
# include "xlockmore.h" /* in xscreensaver distribution */
-# include "erase.h"
#else /* STANDALONE */
# define ENTRYPOINT /**/
# include "xlock.h" /* in xlockmore distribution */
#else /* STANDALONE */
# define ENTRYPOINT /**/
# include "xlock.h" /* in xlockmore distribution */
@@
-83,7
+84,7
@@
ENTRYPOINT ModeSpecOpt drift_opts =
#ifdef USE_MODULES
ModStruct drift_description =
{"drift", "init_drift", "draw_drift", (char *) NULL,
#ifdef USE_MODULES
ModStruct drift_description =
{"drift", "init_drift", "draw_drift", (char *) NULL,
- "refresh_drift", "init_drift",
(char *) NULL
, &drift_opts,
+ "refresh_drift", "init_drift",
"free_drift"
, &drift_opts,
10000, 30, 1, 1, 64, 1.0, "",
"Shows cosmic drifting flame fractals", 0, NULL};
10000, 30, 1, 1, 64, 1.0, "",
"Shows cosmic drifting flame fractals", 0, NULL};
@@
-134,10
+135,7
@@
typedef struct {
long saved_random_bits;
int nbits;
long saved_random_bits;
int nbits;
-#ifdef STANDALONE
int erase_countdown;
int erase_countdown;
- eraser_state *eraser;
-#endif
} driftstruct;
static driftstruct *drifts = (driftstruct *) NULL;
} driftstruct;
static driftstruct *drifts = (driftstruct *) NULL;
@@
-242,9
+240,7
@@
initmode(ModeInfo * mi, int mode)
}
dp->fractal_len = (dp->fractal_len * MI_COUNT(mi)) / 20;
}
dp->fractal_len = (dp->fractal_len * MI_COUNT(mi)) / 20;
-#ifndef STANDALONE
MI_CLEARWINDOW(mi);
MI_CLEARWINDOW(mi);
-#endif
}
static void
}
static void
@@
-269,7
+265,7
@@
pick_df_coefs(ModeInfo * mi)
}
}
}
}
-
static
void
+
ENTRYPOINT
void
free_drift(ModeInfo * mi)
{
driftstruct *dp = &drifts[MI_SCREEN(mi)];
free_drift(ModeInfo * mi)
{
driftstruct *dp = &drifts[MI_SCREEN(mi)];
@@
-350,7
+346,7
@@
init_drift(ModeInfo * mi)
{
driftstruct *dp;
{
driftstruct *dp;
- MI_INIT (mi, drifts
, free_drift
);
+ MI_INIT (mi, drifts);
dp = &drifts[MI_SCREEN(mi)];
dp->width = MI_WIDTH(mi);
dp = &drifts[MI_SCREEN(mi)];
dp->width = MI_WIDTH(mi);
@@
-621,14
+617,11
@@
draw_drift(ModeInfo * mi)
if (dp->erase_countdown) {
if (!--dp->erase_countdown) {
if (dp->erase_countdown) {
if (!--dp->erase_countdown) {
- dp->eraser = erase_window (MI_DISPLAY(mi), MI_WINDOW(mi), dp->eraser);
+ initmode(mi, frandom(dp, 2));
+ initfractal(mi);
}
return;
}
}
return;
}
- if (dp->eraser) {
- dp->eraser = erase_window (MI_DISPLAY(mi), MI_WINDOW(mi), dp->eraser);
- return;
- }
MI_IS_DRAWN(mi) = True;
dp->timer = 3000;
MI_IS_DRAWN(mi) = True;
dp->timer = 3000;
@@
-638,10
+631,8
@@
draw_drift(ModeInfo * mi)
if (dp->total_points++ > dp->fractal_len) {
draw_flush(mi, dp, window);
if (0 == --dp->nfractals) {
if (dp->total_points++ > dp->fractal_len) {
draw_flush(mi, dp, window);
if (0 == --dp->nfractals) {
-#ifdef STANDALONE
dp->erase_countdown = 4 * 1000000 / MI_PAUSE(mi);
dp->erase_countdown = 4 * 1000000 / MI_PAUSE(mi);
-#endif /* STANDALONE */
- initmode(mi, frandom(dp, 2));
+ return;
}
initfractal(mi);
}
}
initfractal(mi);
}
@@
-668,30
+659,13
@@
draw_drift(ModeInfo * mi)
}
}
}
}
-ENTRYPOINT void
-reshape_drift(ModeInfo * mi, int width, int height)
-{
- MI_CLEARWINDOW(mi);
- init_drift (mi);
-}
-
+#ifndef STANDALONE
ENTRYPOINT void
refresh_drift(ModeInfo * mi)
{
MI_CLEARWINDOW(mi);
}
ENTRYPOINT void
refresh_drift(ModeInfo * mi)
{
MI_CLEARWINDOW(mi);
}
-
-ENTRYPOINT Bool
-drift_handle_event (ModeInfo *mi, XEvent *event)
-{
- if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event))
- {
- reshape_drift (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
- return True;
- }
- return False;
-}
-
+#endif
XSCREENSAVER_MODULE ("Drift", drift)
XSCREENSAVER_MODULE ("Drift", drift)