2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1999--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
21 #include "modified-font-metric.hh"
22 #include "pango-font.hh"
26 #include "program-option.hh"
30 Modified_font_metric::Modified_font_metric (Font_metric *fm,
33 magnification_ = magnification;
35 SCM desc = fm->description_;
37 Real total_mag = magnification * scm_to_double (scm_cdr (desc));
40 description_ = scm_cons (scm_car (desc), scm_from_double (total_mag));
45 Modified_font_metric::make_scaled_font_metric (Font_metric *fm, Real scaling)
47 Modified_font_metric *sfm = new Modified_font_metric (fm, scaling);
48 return sfm->self_scm ();
52 Modified_font_metric::design_size () const
54 return orig_->design_size ();
58 Modified_font_metric::get_indexed_char_dimensions (vsize i) const
60 Box b = orig_->get_indexed_char_dimensions (i);
61 b.scale (magnification_);
66 Modified_font_metric::get_magnification () const
68 return magnification_;
72 Modified_font_metric::count () const
74 return orig_->count ();
78 Modified_font_metric::attachment_point (const string &s) const
80 Offset o = orig_->attachment_point (s);
81 return o * magnification_;
85 Modified_font_metric::get_indexed_wxwy (vsize k) const
87 Offset o = orig_->get_indexed_wxwy (k);
88 return o * magnification_;
92 Modified_font_metric::name_to_index (string s) const
94 return orig_->name_to_index (s);
98 Modified_font_metric::index_to_charcode (vsize i) const
100 return orig_->index_to_charcode (i);
104 Modified_font_metric::derived_mark () const
109 Modified_font_metric::text_stencil (Output_def *state,
110 const string &text, bool feta) const
113 if (Pango_font *pf = dynamic_cast<Pango_font *> (orig_))
115 Stencil stc = pf->text_stencil (state, text, feta);
117 Box b = stc.extent_box ();
119 b.scale (magnification_);
120 Stencil scaled (b, stc.expr ());
124 return Font_metric::text_stencil (state, text, feta);
128 Modified_font_metric::original_font () const
134 Modified_font_metric::sub_fonts () const
136 return orig_->sub_fonts ();
140 Modified_font_metric::font_name () const
142 return original_font ()->font_name ();