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/*
This file is part of LilyPond, the GNU music typesetter.
Copyright (C) 1999--2015 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.
You should have received a copy of the GNU General Public License
along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include <cctype>
using namespace std;
#include "modified-font-metric.hh"
#include "pango-font.hh"
#include "warn.hh"
#include "stencil.hh"
#include "main.hh"
#include "program-option.hh"
Modified_font_metric::Modified_font_metric (Font_metric *fm,
Real magnification)
{
magnification_ = magnification;
SCM desc = fm->description_;
Real total_mag = magnification * scm_to_double (scm_cdr (desc));
assert (total_mag);
description_ = scm_cons (scm_car (desc), scm_from_double (total_mag));
orig_ = fm;
}
SCM
Modified_font_metric::make_scaled_font_metric (Font_metric *fm, Real scaling)
{
Modified_font_metric *sfm = new Modified_font_metric (fm, scaling);
return sfm->self_scm ();
}
Real
Modified_font_metric::design_size () const
{
return orig_->design_size ();
}
Box
Modified_font_metric::get_indexed_char_dimensions (vsize i) const
{
Box b = orig_->get_indexed_char_dimensions (i);
b.scale (magnification_);
return b;
}
Real
Modified_font_metric::get_magnification () const
{
return magnification_;
}
vsize
Modified_font_metric::count () const
{
return orig_->count ();
}
Offset
Modified_font_metric::attachment_point (const string &s) const
{
Offset o = orig_->attachment_point (s);
return o * magnification_;
}
Offset
Modified_font_metric::get_indexed_wxwy (vsize k) const
{
Offset o = orig_->get_indexed_wxwy (k);
return o * magnification_;
}
size_t
Modified_font_metric::name_to_index (string s) const
{
return orig_->name_to_index (s);
}
vsize
Modified_font_metric::index_to_charcode (vsize i) const
{
return orig_->index_to_charcode (i);
}
void
Modified_font_metric::derived_mark () const
{
}
Stencil
Modified_font_metric::text_stencil (Output_def *state,
const string &text, bool feta) const
{
Box b;
if (Pango_font *pf = dynamic_cast<Pango_font *> (orig_))
{
Stencil stc = pf->text_stencil (state, text, feta);
Box b = stc.extent_box ();
b.scale (magnification_);
Stencil scaled (b, stc.expr ());
return scaled;
}
return Font_metric::text_stencil (state, text, feta);
}
Font_metric *
Modified_font_metric::original_font () const
{
return orig_;
}
SCM
Modified_font_metric::sub_fonts () const
{
return orig_->sub_fonts ();
}
string
Modified_font_metric::font_name () const
{
return original_font ()->font_name ();
}
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