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/* This file contains the ellipse method, which is a GNU extension to
libplot. It draws an object: an ellipse with center xc,yc and semi-axes
of length rx and ry (the former at a specified angle with the
x-axis). */
#include "sys-defines.h"
#include "plot.h"
#include "extern.h"
int
#ifdef _HAVE_PROTOS
_m_ellipse (int x, int y, int rx, int ry, int angle)
#else
_m_ellipse (x, y, rx, ry, angle)
int x, y, rx, ry, angle;
#endif
{
if (!_plotter->open)
{
_plotter->error ("ellipse: invalid operation");
return -1;
}
if (_plotter->outstream)
{
if (_plotter->portable_output)
fprintf (_plotter->outstream, "%c %d %d %d %d %d\n",
ELLIPSE, x, y, rx, ry, angle);
else
{
putc (ELLIPSE, _plotter->outstream);
_emit_integer (x);
_emit_integer (y);
_emit_integer (rx);
_emit_integer (ry);
_emit_integer (angle);
}
}
return 0;
}
int
#ifdef _HAVE_PROTOS
_m_fellipse (double x, double y, double rx, double ry, double angle)
#else
_m_fellipse (x, y, rx, ry, angle)
double x, y, rx, ry, angle;
#endif
{
if (!_plotter->open)
{
_plotter->error ("fellipse: invalid operation");
return -1;
}
if (_plotter->outstream)
{
if (_plotter->portable_output)
fprintf (_plotter->outstream, "%c %g %g %g %g %g\n",
ELLIPSE, x, y, rx, ry, angle);
else
{
putc (FELLIPSE, _plotter->outstream);
_emit_float (x);
_emit_float (y);
_emit_float (rx);
_emit_float (ry);
_emit_float (angle);
}
}
return 0;
}
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