source file of the GNU LilyPond music typesetter
- (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1999--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
Mats Bengtsson <matsb@s3.kth.se> (the ugly TeX parsing in text_dimension)
*/
#include <math.h>
#include <ctype.h>
+#include "warn.hh"
+#include "molecule.hh"
#include "ly-smobs.icc"
#include "font-metric.hh"
+#include "string.hh"
Box
Font_metric::text_dimension (String text) const
break;
default:
- Box b = get_char ((unsigned char)text[i],false);
+ Box b = get_char ((unsigned char)text[i]);
// Ugh, use the width of 'x' for unknown characters
if (b[X_AXIS].length () == 0)
- b = get_char ((unsigned char)'x',false);
+ b = get_char ((unsigned char)'x');
w += b[X_AXIS].length ();
ydims.unite (b[Y_AXIS]);
}
-Box
-Scaled_font_metric::text_dimension (String t) const
-{
- Real realmag = pow (1.2, magstep_i_);
- Box b (orig_l_->text_dimension (t));
-
- return Box(b[X_AXIS]* realmag, b[Y_AXIS]*realmag);
-}
Font_metric::~Font_metric ()
{
- unsmobify_self ();
}
Font_metric::Font_metric ()
{
- self_scm_ = SCM_EOL;
- name_ = SCM_EOL;
+ description_ = SCM_EOL;
+
smobify_self ();
}
-Font_metric::Font_metric (Font_metric const &)
+Font_metric::Font_metric (Font_metric const &s)
{
}
Box
-Font_metric::get_char (int, bool)const
+Font_metric::get_char (int )const
{
return Box (Interval(0,0),Interval (0,0));
}
-Scaled_font_metric::Scaled_font_metric (Font_metric* m, int s)
-{
- magstep_i_ = s;
- orig_l_ = m;
-}
SCM
-Font_metric::description () const
+Font_metric::mark_smob (SCM s)
{
- return gh_cons (name_, gh_int2scm (0));
+ Font_metric * m = (Font_metric*) SCM_CELL_WORD_1(s);
+ return m->description_;
}
-
-SCM
-Scaled_font_metric::description () const
+int
+Font_metric::print_smob (SCM s, SCM port, scm_print_state * )
{
- SCM od = orig_l_->description ();
- gh_set_cdr_x (od, gh_int2scm (magstep_i_));
- return od;
+ Font_metric *m = unsmob_metrics (s);
+ scm_puts ("#<Font_metric ", port);
+ scm_write (m->description_, port);
+ scm_puts (">", port);
+ return 1;
}
-void
-Font_metric::do_smobify_self ()
+IMPLEMENT_UNSMOB (Font_metric, metrics);
+IMPLEMENT_SMOBS (Font_metric);
+IMPLEMENT_DEFAULT_EQUAL_P(Font_metric);
+IMPLEMENT_TYPE_P (Font_metric, "font-metric?");
+
+Molecule
+Font_metric::find_by_name (String) const
{
+ Molecule m ;
+ return m;
}
+
SCM
-Font_metric::mark_smob (SCM s)
+ly_find_glyph_by_name (SCM font, SCM name)
{
- Font_metric * m = SMOB_TO_TYPE(Font_metric, s);
- return m->name_;
+ if (!unsmob_metrics (font) || !gh_string_p (name))
+ {
+ warning ("ly-find-glyph-by-name: invalid argument.");
+ Molecule m;
+ return m.smobbed_copy ();
+ }
+
+ return unsmob_metrics (font)->find_by_name (ly_scm2string (name)).smobbed_copy ();
}
-int
-Font_metric::print_smob (SCM s, SCM port, scm_print_state * )
+
+static void
+font_metric_init ()
{
- Font_metric *m = unsmob_metrics (s);
- scm_puts ("#<Font_metric ", port);
- scm_display (m->name_, port);
- scm_puts (">", port);
- return 1;
+ scm_make_gsubr ("ly-find-glyph-by-name", 2 , 0, 0, (Scheme_function_unknown) ly_find_glyph_by_name);
}
-IMPLEMENT_UNSMOB(Font_metric, metrics);
-IMPLEMENT_SMOBS(Font_metric);
-
+ADD_SCM_INIT_FUNC(font_metric_init, font_metric_init);