X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ffont-metric.cc;h=77f02df579c9beaedc747dcf7d565f4e00c1d5ed;hb=bffb59cbfc72ff0cf0d1520dfaba19d284895d37;hp=467f0f84cfdb15cfa8d70957131847fc03751c1b;hpb=9c8bcb9a2a1fedb5459e593b18a8c550318e6800;p=lilypond.git diff --git a/lily/font-metric.cc b/lily/font-metric.cc index 467f0f84cf..77f02df579 100644 --- a/lily/font-metric.cc +++ b/lily/font-metric.cc @@ -1,140 +1,158 @@ -/* - font-metric.cc -- implement Font_metric - - source file of the GNU LilyPond music typesetter - - (c) 1999--2000 Han-Wen Nienhuys +/* + This file is part of LilyPond, the GNU music typesetter. - Mats Bengtsson (the ugly TeX parsing in text_dimension) - */ + Copyright (C) 1999--2015 Han-Wen Nienhuys -#include -#include + 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 . +*/ -#include "ly-smobs.icc" #include "font-metric.hh" -#include "string.hh" -Box -Font_metric::text_dimension (String text) const +#include +#include +using namespace std; + +#include "dimensions.hh" +#include "modified-font-metric.hh" +#include "open-type-font.hh" +#include "stencil.hh" +#include "warn.hh" + + +Real +Font_metric::design_size () const +{ + return 1.0 * point_constant; +} + +Stencil +Font_metric::find_by_name (string s) const { - Interval ydims; - Real w=0.0; - - for (int i = 0; i < text.length_i (); i++) + replace_all (&s, '-', 'M'); + int idx = name_to_index (s); + Box b; + + SCM expr = SCM_EOL; + if (idx >= 0) { - - switch (text[i]) - { - case '\\': - 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],false); - - // Ugh, use the width of 'x' for unknown characters - if (b[X_AXIS].length () == 0) - b = get_char ((unsigned char)'x',false); - - 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_dimensions (idx); } - if (ydims.empty_b ()) - ydims = Interval (0,0); - return Box(Interval (0, w), ydims); + Stencil q (b, expr); + return q; } - -Box -Scaled_font_metric::text_dimension (String t) const +Font_metric::Font_metric () { - Real realmag = pow (1.2, magstep_i_); - Box b (orig_l_->text_dimension (t)); + description_ = SCM_EOL; + smobify_self (); +} - return Box(b[X_AXIS]* realmag, b[Y_AXIS]*realmag); +Font_metric::Font_metric (Font_metric const &) + : Smob () +{ } Font_metric::~Font_metric () { } -Font_metric::Font_metric () +size_t +Font_metric::count () const { - name_ = SCM_EOL; + return 0; } -Font_metric::Font_metric (Font_metric const &) +Box +Font_metric::get_indexed_char_dimensions (size_t) const { + return Box (Interval (0, 0), Interval (0, 0)); } - -Box -Font_metric::get_char (int, bool)const +Offset +Font_metric::get_indexed_wxwy (size_t) const { - return Box (Interval(0,0),Interval (0,0)); + return Offset (0, 0); } -Scaled_font_metric::Scaled_font_metric (Font_metric* m, int s) +void +Font_metric::derived_mark () const { - magstep_i_ = s; - orig_l_ = m; } SCM -Scaled_font_metric::make_scaled_font_metric (Font_metric*m, int s) +Font_metric::mark_smob () const { - Scaled_font_metric *sfm = new Scaled_font_metric (m,s); - sfm->name_ = m->name_; - - return sfm->smobbed_self (); + derived_mark (); + return description_; } -SCM -Font_metric::description () const +int +Font_metric::print_smob (SCM port, scm_print_state *) const { - return gh_cons (name_, gh_int2scm (0)); + scm_puts ("#<", port); + scm_puts (class_name (), port); + scm_puts (" ", port); + scm_write (description_, port); + scm_puts (">", port); + return 1; } +const char * const Font_metric::type_p_name_ = "ly:font-metric?"; SCM -Scaled_font_metric::description () const +Font_metric::font_file_name () const { - SCM od = orig_l_->description (); - gh_set_cdr_x (od, gh_int2scm (magstep_i_)); - return od; + return scm_car (description_); } +string +Font_metric::font_name () const +{ + string s ("unknown"); + return s; +} +size_t +Font_metric::index_to_charcode (size_t i) const +{ + return i; +} -SCM -Font_metric::mark_smob (SCM s) +Offset +Font_metric::attachment_point (const string&) const { - Font_metric * m = (Font_metric*) SCM_CELL_WORD_1(s); - return m->name_; + return Offset (0, 0); } -int -Font_metric::print_smob (SCM s, SCM port, scm_print_state * ) +SCM +Font_metric::sub_fonts () const { - Font_metric *m = unsmob_metrics (s); - scm_puts ("#name_, port); - scm_puts (">", port); - return 1; + return SCM_EOL; } +Stencil +Font_metric::text_stencil (Output_def *state, + const string&, + bool, + const string&) const +{ + (void) state; -IMPLEMENT_UNSMOB (Font_metric, metrics); -IMPLEMENT_SIMPLE_SMOBS (Font_metric); -IMPLEMENT_DEFAULT_EQUAL_P(Font_metric); + programming_error ("Cannot get a text stencil from this font"); + return Stencil (Box (), SCM_EOL); +}