/*
- font-select.cc -- implement property -> font_metric routines.
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2003--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2003--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
-*/
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-#include <math.h>
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
#include "dimensions.hh"
#include "all-font-metrics.hh"
Font_metric *
get_font_by_design_size (Output_def *layout, Real requested,
- SCM font_vector)
+ SCM font_vector)
{
int n = scm_c_vector_length (font_vector);
Real size = 1e6;
SCM entry = scm_c_vector_ref (font_vector, i);
if (scm_promise_p (entry) == SCM_BOOL_T)
- {
- Font_metric *fm = unsmob_metrics (scm_force (entry));
- size = fm->design_size ();
- }
+ {
+ Font_metric *fm = Font_metric::unsmob (scm_force (entry));
+ size = fm->design_size ();
+ }
#if HAVE_PANGO_FT2
else if (scm_is_pair (entry)
- && scm_is_number (scm_car (entry))
- && scm_is_string (scm_cdr (entry)))
- {
- size = scm_to_double (scm_car (entry));
- pango_description_string
- = scm_cdr (entry);
- }
+ && scm_is_number (scm_car (entry))
+ && scm_is_string (scm_cdr (entry)))
+ {
+ size = scm_to_double (scm_car (entry));
+ pango_description_string
+ = scm_cdr (entry);
+ }
#endif
if (size > requested)
- break;
+ break;
last_size = size;
last_pango_description_string = pango_description_string;
}
else if (i > 0)
{
if ((requested / last_size) < (size / requested))
- {
- i--;
- size = last_size;
- pango_description_string = last_pango_description_string;
- }
+ {
+ i--;
+ size = last_size;
+ pango_description_string = last_pango_description_string;
+ }
}
Font_metric *fm = 0;
{
#if HAVE_PANGO_FT2
return find_pango_font (layout,
- pango_description_string,
- requested / size);
+ pango_description_string,
+ requested / size);
#else
error ("Trying to retrieve pango font without HAVE_PANGO_FT2.");
#endif
}
else
- {
- fm = unsmob_metrics (scm_force (scm_c_vector_ref (font_vector, i)));
- }
+ fm = Font_metric::unsmob (scm_force (scm_c_vector_ref (font_vector, i)));
return find_scaled_font (layout, fm, requested / size);
}
Font_metric *
get_font_by_mag_step (Output_def *layout, Real requested_step,
- SCM font_vector, Real default_size)
+ SCM font_vector, Real default_size)
{
return get_font_by_design_size (layout, default_size
- * pow (2.0, requested_step / 6.0),
- font_vector);
+ * pow (2.0, requested_step / 6.0),
+ font_vector);
}
SCM
properties_to_font_size_family (SCM fonts, SCM alist_chain)
{
return scm_call_2 (ly_lily_module_constant ("lookup-font"), fonts,
- alist_chain);
+ alist_chain);
}
Font_metric *
}
#if HAVE_PANGO_FT2
- if (scm_is_string (name)
- && is_pango_format_global)
- {
- return select_pango_font (layout, chain);
- }
+ if (scm_is_string (name))
+ return select_pango_font (layout, chain);
else
#endif
- if (scm_is_string (name))
- {
- Real rmag
- = robust_scm2double (ly_chain_assoc_get (ly_symbol2scm ("font-magnification"), chain, SCM_BOOL_F),
- 1.0);
- Font_metric *fm = all_fonts_global->find_font (ly_scm2string (name));
-
- return find_scaled_font (layout, fm, rmag);
- }
- else if (scm_instance_p (name))
+ if (scm_is_true (scm_instance_p (name)))
{
- SCM base_size = scm_slot_ref (name, ly_symbol2scm ("default-size"));
- SCM vec = scm_slot_ref (name, ly_symbol2scm ("size-vector"));
+ SCM base_size = scm_slot_ref (name, ly_symbol2scm ("default-size"));
+ SCM vec = scm_slot_ref (name, ly_symbol2scm ("size-vector"));
- Real req = robust_scm2double (ly_chain_assoc_get (ly_symbol2scm ("font-size"), chain, SCM_BOOL_F),
- 0.0);
+ Real req = robust_scm2double (ly_chain_assoc_get (ly_symbol2scm ("font-size"), chain, SCM_BOOL_F),
+ 0.0);
- return get_font_by_mag_step (layout, req, vec,
- scm_to_double (base_size));
+ return get_font_by_mag_step (layout, req, vec,
+ scm_to_double (base_size));
}
assert (0);