Exemplo n.º 1
0
/* Note that this takes a px_state_t, not a px_gstate_t. */
int
px_initgraphics(px_state_t *pxs)
{	gs_state *pgs = pxs->pgs;

	px_gstate_reset(pxs->pxgs);
	gs_initgraphics(pgs);

	gs_setfilladjust(pgs, 0.5, 0.5);

	{ gs_point inch;
	  float dpi;

	  gs_dtransform(pgs, 72.0, 0.0, &inch);
	  dpi = fabs(inch.x) + fabs(inch.y);

	  /* Stroke adjustment leads to anomalies at high resolutions. */
	  if ( dpi >= 150 )
	    gs_setstrokeadjust(pgs, false);

	  /* We need the H-P interpretation of zero-length lines */
	  /* and of using bevel joins for the segments of flattened curves. */
	  gs_setdotlength(pgs, 72.0 / 300, true);
	}
	/* we always clamp coordinates hp does not seem to report
           limit checks in paths */
	gs_setlimitclamp(pgs, true);
	return 0;
}
Exemplo n.º 2
0
/* <num> <bool> .setdotlength - */
static int
zsetdotlength(i_ctx_t *i_ctx_p)
{
    os_ptr op = osp;
    double length;
    int code = real_param(op - 1, &length);

    if (code < 0)
	return code;
    check_type(*op, t_boolean);
    code = gs_setdotlength(igs, length, op->value.boolval);
    if (code < 0)
	return code;
    pop(2);
    return 0;
}