-/*
+/*
tfm.cc -- implement Tex_font_metric
-
+
source file of the GNU LilyPond music typesetter
-
- (c) 1999--2003 Jan Nieuwenhuizen <janneke@gnu.org>
-
+
+ (c) 1999--2006 Jan Nieuwenhuizen <janneke@gnu.org>
some code shamelessly copied from GNU fontutils-0.6/tfm/tfm_input.c
- */
+*/
+#include "file-name.hh"
#include "tfm.hh"
#include "tfm-reader.hh"
#include "string-convert.hh"
#include "warn.hh"
-#include "warn.hh"
#include "dimensions.hh"
-Box
-Tex_font_char_metric::dimensions () const
-{
- if (!exists_b_)
- {
- Box b;
- b.set_empty ();
- return b;
- }
-
- Real d = -depth_;
-
- Real point_constant = 1 PT;
-
- return Box (Interval (0, width_*point_constant ),
- Interval ((d <? height_)*point_constant,
- (d >? height_)*point_constant));
-}
+static Tex_font_char_metric dummy_static_char_metric;
Tex_font_char_metric::Tex_font_char_metric ()
{
- exists_b_ = false;
+ exists_ = false;
code_ = 0;;
width_ = 0;
height_ = 0;
italic_correction_fix_ = 0;
}
-#define APPEND_CHAR_METRIC_ELT(k) outstr += ::to_string (#k) + " " + ::to_string (k ## _) + "; "
-
-String
-Tex_font_char_metric::to_string () const
+Box
+Tex_font_char_metric::dimensions () const
{
- String outstr ;
-
- APPEND_CHAR_METRIC_ELT (exists_b);
- APPEND_CHAR_METRIC_ELT (code);
- APPEND_CHAR_METRIC_ELT (width);
- APPEND_CHAR_METRIC_ELT (height);
- APPEND_CHAR_METRIC_ELT (depth);
- APPEND_CHAR_METRIC_ELT (italic_correction);
-
- return outstr + "\n";
+ if (!exists_)
+ {
+ Box b;
+ b.set_empty ();
+ return b;
+ }
+
+ Real d = -depth_;
+ Real point_constant = 1 PT;
+
+ return Box (Interval (0, width_ * point_constant),
+ Interval (min (d, height_) * point_constant,
+ max (d, height_) * point_constant));
}
Tex_font_metric::Tex_font_metric ()
{
+ encoding_table_ = SCM_EOL;
}
-
-static Tex_font_char_metric dummy_static_char_metric;
+void
+Tex_font_metric::derived_mark () const
+{
+ scm_gc_mark (encoding_table_);
+}
Tex_font_char_metric const *
Tex_font_metric::find_ascii (int ascii, bool warn) const
{
- if (ascii >= 0 && ascii < ascii_to_metric_idx_.size () && ascii_to_metric_idx_[ascii] >= 0)
- return & char_metrics_[ascii_to_metric_idx_ [ascii]];
+ if (ascii >= 0 && ascii < ascii_to_metric_idx_.size ()
+ && ascii_to_metric_idx_[ascii] >= 0)
+ return &char_metrics_[ascii_to_metric_idx_ [ascii]];
else if (warn)
- {
- warning (_f ("can't find ascii character: %d", ascii));
- }
- return &dummy_static_char_metric;
+ warning (_f ("can't find ascii character: %d", ascii));
+ return &dummy_static_char_metric;
}
-
-/*
- UGH: glyphs need not be consecutive in TFM.
- */
+/* UGH: glyphs need not be consecutive in TFM. */
int
Tex_font_metric::count () const
{
for (int i = ascii_to_metric_idx_.size (); i--;)
- {
- if (ascii_to_metric_idx_[i] != -1)
- return i + 1;
- }
+ if (ascii_to_metric_idx_[i] != -1)
+ return i + 1;
return 0;
}
Box
Tex_font_metric::get_ascii_char (int a) const
{
- Box b = find_ascii (a)->dimensions () ;
+ Box b = find_ascii (a)->dimensions ();
return b;
}
-String
-Tex_font_metric::to_string () const
-{
- String outstr;
- for (int i=0; i < char_metrics_.size (); i++)
- outstr += char_metrics_[i].to_string ();
-
- return outstr;
-}
-
-
-
-
SCM
-Tex_font_metric::make_tfm (String fn)
+Tex_font_metric::make_tfm (String file_name)
{
- Tex_font_metric * tfm = new Tex_font_metric;
- Tex_font_metric_reader reader (fn);
+ Tex_font_metric *tfm = new Tex_font_metric;
+ Tex_font_metric_reader reader (file_name);
tfm->info_ = reader.info_;
tfm->header_ = reader.header_;
tfm->char_metrics_ = reader.char_metrics_;
tfm->ascii_to_metric_idx_ = reader.ascii_to_metric_idx_;
-
+
+ File_name fn (file_name);
+ tfm->font_name_ = fn.base_;
return tfm->self_scm ();
}
+
+Tfm_info const &
+Tex_font_metric::info () const
+{
+ return info_;
+}
+
+Real
+Tex_font_metric::design_size () const
+{
+ return info_.design_size * point_constant;
+}
+
+String
+Tex_font_metric::font_name () const
+{
+ return font_name_;
+}
+
+int
+Tex_font_metric::name_to_index (String) const
+{
+ assert (false);
+ return 0;
+}