X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ffont-metric.cc;h=64224c48ea3854645df259bd855624f04eb2472f;hb=c5d9ef8c7eaed663fabcd70742ba7a0e56cb337b;hp=b421075119a2b9fcd61e7a33e999f49aa4d23999;hpb=a2991295b2c1fb36bec19de207161855ca3c1756;p=lilypond.git diff --git a/lily/font-metric.cc b/lily/font-metric.cc index b421075119..262d8a1559 100644 --- a/lily/font-metric.cc +++ b/lily/font-metric.cc @@ -1,107 +1,117 @@ -/* - font-metric.cc -- implement Font_metric - - source file of the GNU LilyPond music typesetter - - (c) 1999--2001 Han-Wen Nienhuys +/* + This file is part of LilyPond, the GNU music typesetter. + + Copyright (C) 1999--2010 Han-Wen Nienhuys + + 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. - Mats Bengtsson (the ugly TeX parsing in text_dimension) - */ + 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 . +*/ + +#include "font-metric.hh" -#include -#include +#include +#include +using namespace std; +#include "dimensions.hh" +#include "modified-font-metric.hh" +#include "open-type-font.hh" +#include "stencil.hh" #include "warn.hh" -#include "molecule.hh" + #include "ly-smobs.icc" -#include "font-metric.hh" -#include "string.hh" -Box -Font_metric::text_dimension (String text) const +Real +Font_metric::design_size () const { - Interval ydims; - Real w=0.0; - - for (int i = 0; i < text.length_i (); i++) + return 1.0 * point_constant; +} + +Stencil +Font_metric::find_by_name (string s) const +{ + replace_all (&s, '-', 'M'); + int idx = name_to_index (s); + Box b; + + SCM expr = SCM_EOL; + if (idx >= 0) { - - switch (text[i]) - { - case '\\': - // accent marks use width of base letter - if (i +1 < text.length_i ()) - { - 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_i ()) && !isspace (text[i]) - && text[i]!='{' && text[i]!='}'; i++) - ; - // ugh. - i--; // Compensate for the increment in the outer loop! - break; - case '{': // Skip '{' and '}' - case '}': - break; - - default: - Box b = get_char ((unsigned char)text[i]); - - // Ugh, use the width of 'x' for unknown characters - if (b[X_AXIS].length () == 0) - b = get_char ((unsigned char)'x'); - - w += b[X_AXIS].length (); - ydims.unite (b[Y_AXIS]); - break; - } + expr = scm_list_3 (ly_symbol2scm ("named-glyph"), + self_scm (), + ly_string2scm (s)); + b = get_indexed_char (idx); } - if (ydims.empty_b ()) - ydims = Interval (0,0); - return Box (Interval (0, w), ydims); + Stencil q (b, expr); + return q; } +Font_metric::Font_metric () +{ + description_ = SCM_EOL; + self_scm_ = SCM_EOL; + smobify_self (); +} +Font_metric::Font_metric (Font_metric const &) +{ +} Font_metric::~Font_metric () { } -Font_metric::Font_metric () +size_t +Font_metric::count () const { - description_ = SCM_EOL; + return 0; +} - smobify_self (); +Box +Font_metric::get_ascii_char (size_t) const +{ + return Box (Interval (0, 0), Interval (0, 0)); } -Font_metric::Font_metric (Font_metric const &s) +Box +Font_metric::get_indexed_char (size_t k) const { + return get_ascii_char (k); } +size_t +Font_metric::name_to_index (string) const +{ + return (size_t)-1; +} -Box -Font_metric::get_char (int)const +Offset +Font_metric::get_indexed_wxwy (size_t) const { - return Box (Interval (0,0),Interval (0,0)); + return Offset (0, 0); } +void +Font_metric::derived_mark () const +{ +} SCM Font_metric::mark_smob (SCM s) { - Font_metric * m = (Font_metric*) SCM_CELL_WORD_1 (s); + Font_metric *m = (Font_metric *) SCM_CELL_WORD_1 (s); + m->derived_mark (); return m->description_; } @@ -109,44 +119,71 @@ int Font_metric::print_smob (SCM s, SCM port, scm_print_state *) { Font_metric *m = unsmob_metrics (s); - scm_puts ("#class_name (), port); + scm_puts (" ", port); scm_write (m->description_, port); scm_puts (">", port); return 1; } - -IMPLEMENT_UNSMOB (Font_metric, metrics); IMPLEMENT_SMOBS (Font_metric); IMPLEMENT_DEFAULT_EQUAL_P (Font_metric); -IMPLEMENT_TYPE_P (Font_metric, "font-metric?"); +IMPLEMENT_TYPE_P (Font_metric, "ly:font-metric?"); -Molecule -Font_metric::find_by_name (String) const +SCM +Font_metric::font_file_name () const { - Molecule m ; - return m; + return scm_car (description_); } +string +Font_metric::font_name () const +{ + string s ("unknown"); + return s; +} -SCM -ly_find_glyph_by_name (SCM font, SCM name) +size_t +Font_metric::index_to_ascii (size_t i) const { - if (!unsmob_metrics (font) || !gh_string_p (name)) - { - warning ("ly-find-glyph-by-name: invalid argument."); - Molecule m; - return m.smobbed_copy (); - } + return i; +} + +size_t +Font_metric::index_to_charcode (size_t i) const +{ + return index_to_ascii (i); +} - return unsmob_metrics (font)->find_by_name (ly_scm2string (name)).smobbed_copy (); +Stencil +Font_metric::get_indexed_char_stencil (size_t code) const +{ + size_t idx = index_to_ascii (code); + SCM at = scm_list_3 (ly_symbol2scm ("char"), self_scm (), + scm_from_unsigned (idx)); + Box b = get_indexed_char (code); + return Stencil (b, at); } +Offset +Font_metric::attachment_point (string) const +{ + return Offset (0, 0); +} -static void -font_metric_init () +SCM +Font_metric::sub_fonts () const { - scm_make_gsubr ("ly-find-glyph-by-name", 2 , 0, 0, (Scheme_function_unknown) ly_find_glyph_by_name); + return SCM_EOL; } -ADD_SCM_INIT_FUNC (font_metric_init, font_metric_init); +Stencil +Font_metric::text_stencil (Output_def* state, + string, bool) const +{ + (void) state; + + programming_error ("Cannot get a text stencil from this font"); + return Stencil (Box (), SCM_EOL); +}