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xenocara/app/xlockmore/modes/hop.c
matthieu 110b2a9207 Importing xlockmore 5.22
2006-11-26 11:07:42 +00:00

565 lines
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/* -*- Mode: C; tab-width: 4 -*- */
/* hop --- real plane fractals */
#if !defined( lint ) && !defined( SABER )
static const char sccsid[] = "@(#)hop.c 5.00 2000/11/01 xlockmore";
#endif
/*-
* Copyright (c) 1991 by Patrick J. Naughton.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation.
*
* This file is provided AS IS with no warranties of any kind. The author
* shall have no liability with respect to the infringement of copyrights,
* trade secrets or any patents by this file or any part thereof. In no
* event will the author be liable for any lost revenue or profits or
* other special, indirect and consequential damages.
*
* Revision History:
* Changes in xlockmore distribution
* 01-Nov-2000: Allocation checks
* 24-Jun-1997: EJK and RR functions stolen from xmartin2.2
* Ed Kubaitis <ejk@ux2.cso.uiuc.edu> ejk functions and xmartin
* Renaldo Recuerdo rr function, generalized exponent version
* of the Barry Martin's square root function
* 10-May-1997: Compatible with xscreensaver
* 27-Jul-1995: added Peter de Jong's hop from Scientific American
* July 87 p. 111. Sometimes they are amazing but there are a
* few duds (I did not see a pattern in the parameters).
* 29-Mar-1995: changed name from hopalong to hop
* 09-Dec-1994: added Barry Martin's sine hop
* Changes in original xlock
* 29-Oct-1990: fix bad (int) cast.
* 29-Jul-1990: support for multiple screens.
* 08-Jul-1990: new timing and colors and new algorithm for fractals.
* 15-Dec-1989: Fix for proper skipping of {White,Black}Pixel() in colors.
* 08-Oct-1989: Fixed long standing typo bug in RandomInitHop();
* Fixed bug in memory allocation in init_hop();
* Moved seconds() to an extern.
* Got rid of the % mod since .mod is slow on a sparc.
* 20-Sep-1989: Lint.
* 31-Aug-1988: Forked from xlock.c for modularity.
* 23-Mar-1988: Coded HOPALONG routines from Scientific American Sept. 86 p. 14.
* Hopalong was attributed to Barry Martin of Aston University
* (Birmingham, England)
*/
#ifdef STANDALONE
#define MODE_hop
#define PROGCLASS "Hop"
#define HACK_INIT init_hop
#define HACK_DRAW draw_hop
#define hop_opts xlockmore_opts
#define DEFAULTS "*delay: 10000 \n" \
"*count: 1000 \n" \
"*cycles: 2500 \n" \
"*ncolors: 200 \n" \
"*fullrandom: True \n" \
"*verbose: False \n"
#define SMOOTH_COLORS
#include "xlockmore.h" /* in xscreensaver distribution */
#else /* STANDALONE */
#include "xlock.h" /* in xlockmore distribution */
#endif /* STANDALONE */
#ifdef MODE_hop
#define DEF_MARTIN "False"
#define DEF_POPCORN "False"
#define DEF_EJK1 "False"
#define DEF_EJK2 "False"
#define DEF_EJK3 "False"
#define DEF_EJK4 "False"
#define DEF_EJK5 "False"
#define DEF_EJK6 "False"
#define DEF_RR "False"
#define DEF_JONG "False"
#define DEF_SINE "False"
static Bool martin;
static Bool popcorn;
static Bool ejk1;
static Bool ejk2;
static Bool ejk3;
static Bool ejk4;
static Bool ejk5;
static Bool ejk6;
static Bool rr;
static Bool jong;
static Bool sine;
static XrmOptionDescRec opts[] =
{
{(char *) "-martin", (char *) ".hop.martin", XrmoptionNoArg, (caddr_t) "on"},
{(char *) "+martin", (char *) ".hop.martin", XrmoptionNoArg, (caddr_t) "off"},
{(char *) "-popcorn", (char *) ".hop.popcorn", XrmoptionNoArg, (caddr_t) "on"},
{(char *) "+popcorn", (char *) ".hop.popcorn", XrmoptionNoArg, (caddr_t) "off"},
{(char *) "-ejk1", (char *) ".hop.ejk1", XrmoptionNoArg, (caddr_t) "on"},
{(char *) "+ejk1", (char *) ".hop.ejk1", XrmoptionNoArg, (caddr_t) "off"},
{(char *) "-ejk2", (char *) ".hop.ejk2", XrmoptionNoArg, (caddr_t) "on"},
{(char *) "+ejk2", (char *) ".hop.ejk2", XrmoptionNoArg, (caddr_t) "off"},
{(char *) "-ejk3", (char *) ".hop.ejk3", XrmoptionNoArg, (caddr_t) "on"},
{(char *) "+ejk3", (char *) ".hop.ejk3", XrmoptionNoArg, (caddr_t) "off"},
{(char *) "-ejk4", (char *) ".hop.ejk4", XrmoptionNoArg, (caddr_t) "on"},
{(char *) "+ejk4", (char *) ".hop.ejk4", XrmoptionNoArg, (caddr_t) "off"},
{(char *) "-ejk5", (char *) ".hop.ejk5", XrmoptionNoArg, (caddr_t) "on"},
{(char *) "+ejk5", (char *) ".hop.ejk5", XrmoptionNoArg, (caddr_t) "off"},
{(char *) "-ejk6", (char *) ".hop.ejk6", XrmoptionNoArg, (caddr_t) "on"},
{(char *) "+ejk6", (char *) ".hop.ejk6", XrmoptionNoArg, (caddr_t) "off"},
{(char *) "-rr", (char *) ".hop.rr", XrmoptionNoArg, (caddr_t) "on"},
{(char *) "+rr", (char *) ".hop.rr", XrmoptionNoArg, (caddr_t) "off"},
{(char *) "-jong", (char *) ".hop.jong", XrmoptionNoArg, (caddr_t) "on"},
{(char *) "+jong", (char *) ".hop.jong", XrmoptionNoArg, (caddr_t) "off"},
{(char *) "-sine", (char *) ".hop.sine", XrmoptionNoArg, (caddr_t) "on"},
{(char *) "+sine", (char *) ".hop.sine", XrmoptionNoArg, (caddr_t) "off"}
};
static argtype vars[] =
{
{(void *) & martin, (char *) "martin", (char *) "Martin", (char *) DEF_MARTIN, t_Bool},
{(void *) & popcorn, (char *) "popcorn", (char *) "Popcorn", (char *) DEF_POPCORN, t_Bool},
{(void *) & ejk1, (char *) "ejk1", (char *) "EJK1", (char *) DEF_EJK1, t_Bool},
{(void *) & ejk2, (char *) "ejk2", (char *) "EJK2", (char *) DEF_EJK2, t_Bool},
{(void *) & ejk3, (char *) "ejk3", (char *) "EJK3", (char *) DEF_EJK3, t_Bool},
{(void *) & ejk4, (char *) "ejk4", (char *) "EJK4", (char *) DEF_EJK4, t_Bool},
{(void *) & ejk5, (char *) "ejk5", (char *) "EJK5", (char *) DEF_EJK5, t_Bool},
{(void *) & ejk6, (char *) "ejk6", (char *) "EJK6", (char *) DEF_EJK6, t_Bool},
{(void *) & rr, (char *) "rr", (char *) "RR", (char *) DEF_RR, t_Bool},
{(void *) & jong, (char *) "jong", (char *) "Jong", (char *) DEF_JONG, t_Bool},
{(void *) & sine, (char *) "sine", (char *) "Sine", (char *) DEF_SINE, t_Bool}
};
static OptionStruct desc[] =
{
{(char *) "-/+martin", (char *) "turn on/off sqrt format"},
{(char *) "-/+popcorn", (char *) "turn on/off Clifford A. Pickover's popcorn format"},
{(char *) "-/+ejk1", (char *) "turn on/off ejk1 format"},
{(char *) "-/+ejk2", (char *) "turn on/off ejk2 format"},
{(char *) "-/+ejk3", (char *) "turn on/off ejk3 format"},
{(char *) "-/+ejk4", (char *) "turn on/off ejk4 format"},
{(char *) "-/+ejk5", (char *) "turn on/off ejk5 format"},
{(char *) "-/+ejk6", (char *) "turn on/off ejk6 format"},
{(char *) "-/+rr", (char *) "turn on/off rr format"},
{(char *) "-/+jong", (char *) "turn on/off jong format"},
{(char *) "-/+sine", (char *) "turn on/off sine format"}
};
ModeSpecOpt hop_opts =
{sizeof opts / sizeof opts[0], opts, sizeof vars / sizeof vars[0], vars, desc};
#ifdef USE_MODULES
ModStruct hop_description =
{"hop", "init_hop", "draw_hop", "release_hop",
"refresh_hop", "init_hop", (char *) NULL, &hop_opts,
10000, 1000, 2500, 1, 64, 1.0, "",
"Shows real plane iterated fractals", 0, NULL};
#endif
#define MARTIN 0
#define POPCORN 7
#define SINE 8
#define EJK1 1
#define EJK2 2
#define EJK3 9
#define EJK4 3
#define EJK5 4
#define EJK6 10
#define RR 5
#define JONG 6
#ifdef OFFENDING
#define OPS 8 /* 8, 9, 10 might be too close to a swastika for some... */
#else
#define OPS 11
#endif
typedef struct {
int centerx, centery; /* center of the screen */
double a, b, c, d;
double i, j; /* hopalong parameters */
int inc;
int pix;
int op;
int count;
int bufsize;
XPoint *pointBuffer; /* pointer for XDrawPoints */
} hopstruct;
static hopstruct *hops = (hopstruct *) NULL;
void
init_hop(ModeInfo * mi)
{
Display *display = MI_DISPLAY(mi);
GC gc = MI_GC(mi);
double range;
hopstruct *hp;
if (hops == NULL) {
if ((hops = (hopstruct *) calloc(MI_NUM_SCREENS(mi),
sizeof (hopstruct))) == NULL)
return;
}
hp = &hops[MI_SCREEN(mi)];
hp->centerx = MI_WIDTH(mi) / 2;
hp->centery = MI_HEIGHT(mi) / 2;
/* Make the other operations less common since they are less interesting */
if (MI_IS_FULLRANDOM(mi)) {
hp->op = NRAND(OPS);
} else {
if (martin)
hp->op = MARTIN;
else if (popcorn)
hp->op = POPCORN;
else if (ejk1)
hp->op = EJK1;
else if (ejk2)
hp->op = EJK2;
else if (ejk3)
hp->op = EJK3;
else if (ejk4)
hp->op = EJK4;
else if (ejk5)
hp->op = EJK5;
else if (ejk6)
hp->op = EJK6;
else if (rr)
hp->op = RR;
else if (jong)
hp->op = JONG;
else if (sine)
hp->op = SINE;
else
hp->op = NRAND(OPS);
}
range = sqrt((double) hp->centerx * hp->centerx +
(double) hp->centery * hp->centery) / (1.0 + LRAND() / MAXRAND);
hp->i = hp->j = 0.0;
hp->inc = (int) ((LRAND() / MAXRAND) * 200) - 100;
#undef XMARTIN
switch (hp->op) {
case MARTIN:
#ifdef XMARTIN
hp->a = (LRAND() / MAXRAND) * 1500.0 + 40.0;
hp->b = (LRAND() / MAXRAND) * 17.0 + 3.0;
hp->c = (LRAND() / MAXRAND) * 3000.0 + 100.0;
#else
hp->a = ((LRAND() / MAXRAND) * 2.0 - 1.0) * range / 20.0;
hp->b = ((LRAND() / MAXRAND) * 2.0 - 1.0) * range / 20.0;
if (LRAND() & 1)
hp->c = ((LRAND() / MAXRAND) * 2.0 - 1.0) * range / 20.0;
else
hp->c = 0.0;
#endif
if (MI_IS_VERBOSE(mi))
(void) fprintf(stdout, "sqrt a=%g, b=%g, c=%g\n", hp->a, hp->b, hp->c);
break;
case EJK1:
#ifdef XMARTIN
hp->a = (LRAND() / MAXRAND) * 500.0;
hp->c = (LRAND() / MAXRAND) * 100.0 + 10.0;
#else
hp->a = ((LRAND() / MAXRAND) * 2.0 - 1.0) * range / 30.0;
hp->c = ((LRAND() / MAXRAND) * 2.0 - 1.0) * range / 40.0;
#endif
hp->b = (LRAND() / MAXRAND) * 0.4;
if (MI_IS_VERBOSE(mi))
(void) fprintf(stdout, "ejk1 a=%g, b=%g, c=%g\n", hp->a, hp->b, hp->c);
break;
case EJK2:
#ifdef XMARTIN
hp->a = (LRAND() / MAXRAND) * 500.0;
#else
hp->a = ((LRAND() / MAXRAND) * 2.0 - 1.0) * range / 30.0;
#endif
hp->b = pow(10.0, 6.0 + (LRAND() / MAXRAND) * 24.0);
if (LRAND() & 1)
hp->b = -hp->b;
hp->c = pow(10.0, (LRAND() / MAXRAND) * 9.0);
if (LRAND() & 1)
hp->c = -hp->c;
if (MI_IS_VERBOSE(mi))
(void) fprintf(stdout, "ejk2 a=%g, b=%g, c=%g\n", hp->a, hp->b, hp->c);
break;
case EJK3:
#ifdef XMARTIN
hp->a = (LRAND() / MAXRAND) * 500.0;
hp->c = (LRAND() / MAXRAND) * 80.0 + 30.0;
#else
hp->a = ((LRAND() / MAXRAND) * 2.0 - 1.0) * range / 30.0;
hp->c = ((LRAND() / MAXRAND) * 2.0 - 1.0) * range / 70.0;
#endif
hp->b = (LRAND() / MAXRAND) * 0.35 + 0.5;
if (MI_IS_VERBOSE(mi))
(void) fprintf(stdout, "ejk3 a=%g, b=%g, c=%g\n", hp->a, hp->b, hp->c);
break;
case EJK4:
#ifdef XMARTIN
hp->a = (LRAND() / MAXRAND) * 1000.0;
hp->c = (LRAND() / MAXRAND) * 40.0 + 30.0;
#else
hp->a = ((LRAND() / MAXRAND) * 2.0 - 1.0) * range / 2.0;
hp->c = ((LRAND() / MAXRAND) * 2.0 - 1.0) * range / 200.0;
#endif
hp->b = (LRAND() / MAXRAND) * 9.0 + 1.0;
if (MI_IS_VERBOSE(mi))
(void) fprintf(stdout, "ejk4 a=%g, b=%g, c=%g\n", hp->a, hp->b, hp->c);
break;
case EJK5:
#ifdef XMARTIN
hp->a = (LRAND() / MAXRAND) * 600.0;
hp->c = (LRAND() / MAXRAND) * 90.0 + 20.0;
#else
hp->a = ((LRAND() / MAXRAND) * 2.0 - 1.0) * range / 2.0;
hp->c = ((LRAND() / MAXRAND) * 2.0 - 1.0) * range / 200.0;
#endif
hp->b = (LRAND() / MAXRAND) * 0.3 + 0.1;
if (MI_IS_VERBOSE(mi))
(void) fprintf(stdout, "ejk5 a=%g, b=%g, c=%g\n", hp->a, hp->b, hp->c);
break;
case EJK6:
#ifdef XMARTIN
hp->a = (LRAND() / MAXRAND) * 100.0 + 550.0;
#else
hp->a = ((LRAND() / MAXRAND) * 2.0 - 1.0) * range / 30.0;
#endif
hp->b = (LRAND() / MAXRAND) + 0.5;
if (MI_IS_VERBOSE(mi))
(void) fprintf(stdout, "ejk6 a=%g, b=%g\n", hp->a, hp->b);
break;
case RR:
#ifdef XMARTIN
hp->a = (LRAND() / MAXRAND) * 100.0;
hp->b = (LRAND() / MAXRAND) * 20.0;
hp->c = (LRAND() / MAXRAND) * 200.0;
#else
hp->a = ((LRAND() / MAXRAND) * 2.0 - 1.0) * range / 40.0;
hp->b = ((LRAND() / MAXRAND) * 2.0 - 1.0) * range / 200.0;
hp->c = ((LRAND() / MAXRAND) * 2.0 - 1.0) * range / 20.0;
#endif
hp->d = (LRAND() / MAXRAND) * 0.9;
if (MI_IS_VERBOSE(mi))
(void) fprintf(stdout, "rr a=%g, b=%g, c=%g, d=%g\n",
hp->a, hp->b, hp->c, hp->d);
break;
case POPCORN:
hp->a = 0.0;
hp->b = 0.0;
hp->c = ((LRAND() / MAXRAND) * 2.0 - 1.0) * 0.24 + 0.25;
hp->inc = 100;
if (MI_IS_VERBOSE(mi))
(void) fprintf(stdout, "popcorn a=%g, b=%g, c=%g, d=%g\n",
hp->a, hp->b, hp->c, hp->d);
break;
case JONG:
hp->a = ((LRAND() / MAXRAND) * 2.0 - 1.0) * M_PI;
hp->b = ((LRAND() / MAXRAND) * 2.0 - 1.0) * M_PI;
hp->c = ((LRAND() / MAXRAND) * 2.0 - 1.0) * M_PI;
hp->d = ((LRAND() / MAXRAND) * 2.0 - 1.0) * M_PI;
if (MI_IS_VERBOSE(mi))
(void) fprintf(stdout, "jong a=%g, b=%g, c=%g, d=%g\n",
hp->a, hp->b, hp->c, hp->d);
break;
case SINE: /* MARTIN2 */
#ifdef XMARTIN
hp->a = M_PI + ((LRAND() / MAXRAND) * 2.0 - 1.0) * 0.07;
#else
hp->a = M_PI + ((LRAND() / MAXRAND) * 2.0 - 1.0) * 0.7;
#endif
if (MI_IS_VERBOSE(mi))
(void) fprintf(stdout, "sine a=%g\n", hp->a);
break;
}
if (MI_NPIXELS(mi) > 2)
hp->pix = NRAND(MI_NPIXELS(mi));
hp->bufsize = MI_COUNT(mi);
if (hp->bufsize < 1)
hp->bufsize = 1;
if (hp->pointBuffer == NULL) {
if ((hp->pointBuffer = (XPoint *) malloc(hp->bufsize *
sizeof (XPoint))) == NULL)
return;
}
MI_CLEARWINDOW(mi);
XSetForeground(display, gc, MI_WHITE_PIXEL(mi));
hp->count = 0;
}
void
draw_hop(ModeInfo * mi)
{
double oldj, oldi;
XPoint *xp;
int k;
hopstruct *hp;
if (hops == NULL)
return;
hp = &hops[MI_SCREEN(mi)];
if (hp->pointBuffer == NULL)
return;
xp = hp->pointBuffer;
k = hp->bufsize;
MI_IS_DRAWN(mi) = True;
hp->inc++;
if (MI_NPIXELS(mi) > 2) {
XSetForeground(MI_DISPLAY(mi), MI_GC(mi), MI_PIXEL(mi, hp->pix));
if (++hp->pix >= MI_NPIXELS(mi))
hp->pix = 0;
}
while (k--) {
oldj = hp->j;
switch (hp->op) {
case MARTIN: /* SQRT, MARTIN1 */
oldi = hp->i + hp->inc;
hp->j = hp->a - hp->i;
hp->i = oldj + ((hp->i < 0)
? sqrt(fabs(hp->b * oldi - hp->c))
: -sqrt(fabs(hp->b * oldi - hp->c)));
xp->x = hp->centerx + (int) (hp->i + hp->j);
xp->y = hp->centery - (int) (hp->i - hp->j);
break;
case EJK1:
oldi = hp->i + hp->inc;
hp->j = hp->a - hp->i;
hp->i = oldj - ((hp->i > 0) ? (hp->b * oldi - hp->c) :
-(hp->b * oldi - hp->c));
xp->x = hp->centerx + (int) (hp->i + hp->j);
xp->y = hp->centery - (int) (hp->i - hp->j);
break;
case EJK2:
oldi = hp->i + hp->inc;
hp->j = hp->a - hp->i;
hp->i = oldj - ((hp->i < 0) ? log(fabs(hp->b * oldi - hp->c)) :
-log(fabs(hp->b * oldi - hp->c)));
xp->x = hp->centerx + (int) (hp->i + hp->j);
xp->y = hp->centery - (int) (hp->i - hp->j);
break;
case EJK3:
oldi = hp->i + hp->inc;
hp->j = hp->a - hp->i;
hp->i = oldj - ((hp->i > 0) ? sin(hp->b * oldi) - hp->c :
-sin(hp->b * oldi) - hp->c);
xp->x = hp->centerx + (int) (hp->i + hp->j);
xp->y = hp->centery - (int) (hp->i - hp->j);
break;
case EJK4:
oldi = hp->i + hp->inc;
hp->j = hp->a - hp->i;
hp->i = oldj - ((hp->i > 0) ? sin(hp->b * oldi) - hp->c :
-sqrt(fabs(hp->b * oldi - hp->c)));
xp->x = hp->centerx + (int) (hp->i + hp->j);
xp->y = hp->centery - (int) (hp->i - hp->j);
break;
case EJK5:
oldi = hp->i + hp->inc;
hp->j = hp->a - hp->i;
hp->i = oldj - ((hp->i > 0) ? sin(hp->b * oldi) - hp->c :
-(hp->b * oldi - hp->c));
xp->x = hp->centerx + (int) (hp->i + hp->j);
xp->y = hp->centery - (int) (hp->i - hp->j);
break;
case EJK6:
oldi = hp->i + hp->inc;
hp->j = hp->a - hp->i;
hp->i = oldj - asin((hp->b * oldi) - (long) (hp->b * oldi));
xp->x = hp->centerx + (int) (hp->i + hp->j);
xp->y = hp->centery - (int) (hp->i - hp->j);
break;
case RR: /* RR1 */
oldi = hp->i + hp->inc;
hp->j = hp->a - hp->i;
hp->i = oldj - ((hp->i < 0) ? -pow(fabs(hp->b * oldi - hp->c), hp->d) :
pow(fabs(hp->b * oldi - hp->c), hp->d));
xp->x = hp->centerx + (int) (hp->i + hp->j);
xp->y = hp->centery - (int) (hp->i - hp->j);
break;
case POPCORN:
#define HVAL 0.05
#define INCVAL 50
{
double tempi, tempj;
if (hp->inc >= 100)
hp->inc = 0;
if (hp->inc == 0) {
if (hp->a++ >= INCVAL) {
hp->a = 0;
if (hp->b++ >= INCVAL)
hp->b = 0;
}
hp->i = (-hp->c * INCVAL / 2 + hp->c * hp->a) * M_PI / 180.0;
hp->j = (-hp->c * INCVAL / 2 + hp->c * hp->b) * M_PI / 180.0;
}
tempi = hp->i - HVAL * sin(hp->j + tan(3.0 * hp->j));
tempj = hp->j - HVAL * sin(hp->i + tan(3.0 * hp->i));
xp->x = hp->centerx + (int) (MI_WIDTH(mi) / 40 * tempi);
xp->y = hp->centery + (int) (MI_HEIGHT(mi) / 40 * tempj);
hp->i = tempi;
hp->j = tempj;
}
break;
case JONG:
if (hp->centerx > 0)
oldi = hp->i + 4 * hp->inc / hp->centerx;
else
oldi = hp->i;
hp->j = sin(hp->c * hp->i) - cos(hp->d * hp->j);
hp->i = sin(hp->a * oldj) - cos(hp->b * oldi);
xp->x = hp->centerx + (int) (hp->centerx * (hp->i + hp->j) / 4.0);
xp->y = hp->centery - (int) (hp->centery * (hp->i - hp->j) / 4.0);
break;
case SINE: /* MARTIN2 */
oldi = hp->i + hp->inc;
hp->j = hp->a - hp->i;
hp->i = oldj - sin(oldi);
xp->x = hp->centerx + (int) (hp->i + hp->j);
xp->y = hp->centery - (int) (hp->i - hp->j);
break;
}
xp++;
}
XDrawPoints(MI_DISPLAY(mi), MI_WINDOW(mi), MI_GC(mi),
hp->pointBuffer, hp->bufsize, CoordModeOrigin);
if (++hp->count > MI_CYCLES(mi)) {
init_hop(mi);
}
}
void
release_hop(ModeInfo * mi)
{
if (hops != NULL) {
int screen;
for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
hopstruct *hp = &hops[screen];
if (hp->pointBuffer != NULL)
free(hp->pointBuffer);
}
free(hops);
hops = (hopstruct *) NULL;
}
}
void
refresh_hop(ModeInfo * mi)
{
MI_CLEARWINDOW(mi);
}
#endif /* MODE_hop */
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