/* play has no polymarker primitive, use GpPseudoMark-- unless
user requested tiny points, in which case we use p_dots */
static int
DrawMarkers(Engine *engine, long n, const GpReal *px, const GpReal *py)
{
XEngine *xeng = (XEngine *)engine;
p_win *w = xeng->w;
if (!w || !xeng->mapped) return 1;
xeng->e.marked = 1;
if (gistA.m.type!=M_POINT || gistA.m.size>1.5) {
return GpPseudoMark(engine, n, px, py);
} else {
long i, imax;
int npts;
GpXYMap *map= &xeng->e.map;
double xt[2], yt[2];
xt[0] = map->x.scale;
xt[1] = map->x.offset;
yt[0] = map->y.scale;
yt[1] = map->y.offset;
p_d_map(w, xt, yt, 1);
chk_clipping(xeng);
p_color(w, gistA.m.color);
for (i=0 ; i<n ; i=imax) {
imax = i+2048;
npts = (imax<=n)? 2048 : (int)(n-i);
p_d_pnts(w, px+i, py+i, npts);
p_dots(w);
}
return 0;
}
}
int GpMarkers(long n, const GpReal *px, const GpReal *py)
{
int value= 0;
Engine *engine;
if (gistClip) {
InitializeClip();
n= ClipPoints(px, py, n);
px= xClip;
py= yClip;
}
gpClipInit= 0;
for (engine=GpNextActive(0) ; engine ; engine=GpNextActive(engine)) {
if (!engine->inhibit) {
if (gistA.m.type<=32) value|= engine->DrawMarkers(engine, n, px, py);
else value|= GpPseudoMark(engine, n, px, py);
}
}
return value;
}
