/*
- modified-font-metric.cc -- declare Modified_font_metric
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1999--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1999--2007 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 "text-metrics.hh"
#include "warn.hh"
#include "stencil.hh"
#include "main.hh"
#include "program-option.hh"
+Preinit_Modified_font_metric::Preinit_Modified_font_metric ()
+{
+ orig_ = 0;
+}
+
Modified_font_metric::Modified_font_metric (Font_metric *fm,
- Real magnification)
+ Real magnification)
{
magnification_ = magnification;
}
Box
-Modified_font_metric::get_indexed_char (vsize i) const
+Modified_font_metric::get_indexed_char_dimensions (vsize i) const
{
- Box b = orig_->get_indexed_char (i);
+ Box b = orig_->get_indexed_char_dimensions (i);
b.scale (magnification_);
return b;
}
-Box
-Modified_font_metric::get_ascii_char (vsize i) const
+Real
+Modified_font_metric::get_magnification () const
{
- Box b = orig_->get_ascii_char (i);
- b.scale (magnification_);
- return b;
+ return magnification_;
}
vsize
}
Offset
-Modified_font_metric::attachment_point (string s) const
+Modified_font_metric::attachment_point (const string &s) const
{
Offset o = orig_->attachment_point (s);
return o * magnification_;
return o * magnification_;
}
-vsize
+size_t
Modified_font_metric::name_to_index (string s) const
{
return orig_->name_to_index (s);
return orig_->index_to_charcode (i);
}
-vsize
-Modified_font_metric::index_to_ascii (vsize k) const
-{
- return orig_->index_to_ascii (k);
-}
-
void
Modified_font_metric::derived_mark () const
{
-}
-
-/* TODO: put this klutchness behind ly:option switch. */
-Box
-Modified_font_metric::tex_kludge (string text) const
-{
- Interval ydims;
- Real w = 0;
- for (ssize i = 0; i < text.length (); i++)
- {
- switch (text[i])
- {
- case '\\':
- /* Accent marks use width of base letter */
- if (i < text.length () - 1)
- {
- if (text[i + 1]=='\'' || text[i + 1]=='`' || text[i + 1]=='"'
- || text[i + 1]=='^')
- {
- i++;
- break;
- }
- /* For string width \\ is a \ and \_ is a _. */
- if (text[i + 1]=='\\' || text[i + 1]=='_')
- break;
- }
-
- for (i++; (i < text.length ()) && !isspace (text[i])
- && text[i]!='{' && text[i]!='}'; i++)
- ;
-
- /* Compensate for the auto-increment in the outer loop. */
- i--;
- break;
-
- case '{': // Skip '{' and '}'
- case '}':
- break;
-
- default:
- Box b = get_ascii_char ((unsigned char)text[i]);
-
- /* Use the width of 'x' for unknown characters */
- if (b[X_AXIS].length () == 0)
- b = get_ascii_char ((unsigned char)'x');
-
- w += b[X_AXIS].length ();
- ydims.unite (b[Y_AXIS]);
- break;
- }
- }
-
- if (ydims.is_empty ())
- ydims = Interval (0, 0);
-
- return Box (Interval (0, w), ydims);
+ if (orig_)
+ scm_gc_mark (orig_->self_scm ());
}
Stencil
-Modified_font_metric::text_stencil (string text) const
+Modified_font_metric::text_stencil (Output_def *state,
+ const string &text,
+ bool feta,
+ const string &features_str) const
{
Box b;
if (Pango_font *pf = dynamic_cast<Pango_font *> (orig_))
{
- Stencil stc = pf->text_stencil (text);
+ Stencil stc = pf->text_stencil (state, text, feta, features_str);
Box b = stc.extent_box ();
return scaled;
}
- return Font_metric::text_stencil (text);
-}
-
-Box
-Modified_font_metric::text_dimension (string text) const
-{
- SCM stext = ly_string2scm (text);
-
- Box b;
- if (get_output_backend_name () == "tex")
- {
- b = lookup_tex_text_dimension (orig_, stext);
-
- if (!b[Y_AXIS].is_empty ())
- {
- b.scale (magnification_);
- return b;
- }
-
- b = tex_kludge (text);
- return b;
- }
-
- Interval ydims;
-
- Real w = 0.0;
-
- for (ssize i = 0; i < text.length (); i++)
- {
- Box b = get_ascii_char ((unsigned char)text[i]);
-
- w += b[X_AXIS].length ();
- ydims.unite (b[Y_AXIS]);
- }
- if (ydims.is_empty ())
- ydims = Interval (0, 0);
-
- b = Box (Interval (0, w), ydims);
- return b;
+ return Font_metric::text_stencil (state, text, feta, features_str);
}
Font_metric *
projects / lilypond.git / blobdiff