source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+#include <math.h>
+#include "ly-smobs.icc"
#include "atom.hh"
#include "interval.hh"
#include "dimensions.hh"
#include "lookup.hh"
#include "main.hh"
+#include "global-ctor.hh"
+#include "font-metric.hh"
-inline bool
-Atom::check_infinity_b ()const
+Atom::Atom(SCM s)
{
- bool ridiculous = false;
-#ifndef NDEBUG
-
- /* infinity checks. */
- for (int a = X_AXIS; a < NO_AXES; a++)
- {
- Axis ax = (Axis)a;
- if (abs (off_[ax]) >= 100 CM)
- {
- warning (_f ("ridiculous dimension: %s, %s", axis_name_str (ax),
- global_lookup_l->print_dimen (off_[ax])));
-
- if (experimental_features_global_b)
- assert (false);
-
- ( (Atom*)this)->off_[ax] = 0.0;
- ridiculous = true;
- }
- }
-#endif
- return ridiculous;
-}
-
-
-void
-Atom::print () const
-{
-#ifndef NPRINT
- DOUT << "string: " << str_ << '\n';
-
- DOUT << "dim:";
- for (Axis i=X_AXIS; i < NO_AXES; incr (i))
- DOUT << axis_name_str (i) << " = " << dim_[i].str ();
-
- DOUT << "\noffset: " << off_.str ();
-#endif
+ SCM onstack = s; // protection. just to be sure.
+ func_ = s;
+ self_scm_ = SCM_EOL;
+ smobify_self ();
}
-Box
-Atom::extent () const
+SCM
+Atom::mark_smob (SCM s)
{
- Box b (dim_);
- b.translate (off_);
- return b;
+ Atom* a = SMOB_TO_TYPE(Atom, s);
+ assert (s == a->self_scm_);
+ return a->func_;
}
-
-Atom::Atom ()
- : dim_ (Interval (0,0),Interval (0,0))
-{
- /*
- urg
- We should probably make Atom an abstract base class to
- derive Ps_atom and Tex_atom from.
- But Atom is used as a simple type *everywhere*,
- and we don't have virtual contructors.
- */
- lambda_ = 0;
- str_ = global_lookup_l->unknown_str ();
-}
-
-Atom::Atom (String s, Box b)
- : dim_ (b)
-{
- lambda_ = 0;
- str_ = s;
-}
-
-
-String
-Atom::str () const
-{
- return String ("Atom (\'") + str_ + "\', (" + dim_.x ().str () + ", "
- + dim_.y ().str () + "))";
-}
-
-Offset
-Atom::offset () const
+void
+Atom::fontify (Font_metric * met)
{
- return off_;
+ SCM desc = ly_quote_scm (met->description ());
+ SCM font_switch = gh_list (ly_symbol2scm ("select-font"),
+ desc,
+ SCM_UNDEFINED);
+
+ SCM f =func_;
+ func_ = gh_list (ly_symbol2scm ("string-append"),
+ font_switch , f,
+ SCM_UNDEFINED);
}
-
-
void
-Atom::translate_axis (Real r, Axis a)
+Atom::do_smobify_self ()
{
- off_[a] += r;
- check_infinity_b ();
}
-void
-Atom::translate (Offset o)
+Atom::Atom (Atom const &s)
{
- off_ += o;
- check_infinity_b ();
+ off_ = s.off_;
+ func_ = s.func_;
+ self_scm_= SCM_EOL;
+ smobify_self ();
}
-
-bool
-Atom::empty() const
+int
+Atom::print_smob (SCM s, SCM p, scm_print_state*)
{
- return (dim_.y().length() == 0);
+ Atom * a = unsmob_atom (s);
+
+ scm_puts ("#<Atom off ",p);
+ String str(a->off_.str ());
+ scm_puts ((char *)str.ch_C(), p);
+ scm_display (a->func_, p);
+ scm_puts ("> ",p);
+ return 1;
}
+
+IMPLEMENT_UNSMOB(Atom, atom)
+IMPLEMENT_SMOBS(Atom)
+