From: "Denis B. Roegel" <Denis.Roegel@loria.fr>
Cc: roegel@lorraine.loria.fr
Subject: shading question
Date: Tue, 31 Oct 2000 22:29:46 +0100 (MET) [thread overview]
Message-ID: <200010312129.WAA23455@bar.loria.fr> (raw)
In the following example, the top parts of the circles are
slightly trimmed, at least when I view them with acroread.
Is this normal?
Thanks,
Denis
\setupcolors[state=start]
\starttext
\definecolor[a][darkyellow]
\definecolor[b][s=.8]
\definecolor[c][darkred]
\startuniqueMPgraphic{CircularShade}
path p;
p:= unitsquare xscaled \overlaywidth yscaled \overlayheight ;
circular_shade(p,0,\MPcolor{a},\MPcolor{b});
\stopuniqueMPgraphic
\startuniqueMPgraphic{LinearShade}
path p;
p:= unitsquare xscaled \overlaywidth yscaled \overlayheight ;
linear_shade(p,0,\MPcolor{a},\MPcolor{b});
\stopuniqueMPgraphic
\defineoverlay[circular shade][\uniqueMPgraphic{CircularShade}]
\defineoverlay[linear shade] [\uniqueMPgraphic{LinearShade}]
\framed
[background=circular shade,frame=off]
{\bf \white Hi there, I'm Circular!}
\framed
[background=linear shade,frame=off]
{\bf \white Whow, this is Linear!}
\startuniqueMPgraphic{test}
path p; p:=fullcircle scaled 1cm;
for i:= 0 step 2cm until 8cm:
circular_shade(p shifted (i,0),0,\MPcolor{a},\MPcolor{b});
endfor;
\stopuniqueMPgraphic
\useMPgraphic{test}
\startuniqueMPgraphic{test1}
circular_shade(fullcircle scaled 1cm,0,\MPcolor{a},\MPcolor{b});
picture s; s:=currentpicture; currentpicture := nullpicture;
for i=0 step 2cm until 8cm:
addto currentpicture also s shifted (i,0);
endfor;
\stopuniqueMPgraphic
\useMPgraphic{test1}
\startuniqueMPgraphic{test2}
sh:=define_circular_shade(origin,origin,0,8cm,\MPcolor{a},\MPcolor{b});
for i=0 step 2cm until 8cm:
fill fullcircle scaled 1cm shifted (i,0) withshade sh;
endfor;
\stopuniqueMPgraphic
\useMPgraphic{test2}
\stoptext
next reply other threads:[~2000-10-31 21:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-10-31 21:29 Denis B. Roegel [this message]
2000-10-31 22:02 ` shading, Trying shading example, missing metafun.mem Thomas Porter
2000-10-31 22:45 ` Christopher Tipper
2000-11-01 8:12 ` shading question Hans Hagen
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