X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ffont-metric.cc;h=73743ab5b23172a8a97197ada23fb9857a45498c;hb=015bb3813eb4ac879df0561e5c6e28e9d1146792;hp=b420332d14e1778342ece9cd8cdc32d714778e22;hpb=e06b574017fe8923df3ad37e024cf850358861b7;p=lilypond.git diff --git a/lily/font-metric.cc b/lily/font-metric.cc index b420332d14..73743ab5b2 100644 --- a/lily/font-metric.cc +++ b/lily/font-metric.cc @@ -1,70 +1,59 @@ /* - font-metric.cc -- implement Font_metric + font-metric.cc -- implement Font_metric source file of the GNU LilyPond music typesetter - (c) 1999 Han-Wen Nienhuys - - */ + (c) 1999--2005 Han-Wen Nienhuys -#include -#include + Mats Bengtsson (the ugly TeX parsing in text_dimension) +*/ #include "font-metric.hh" -Box -Font_metric::text_dimension (String text) const -{ - Interval ydims; - Real w=0.0; - - for (int i = 0; i < text.length_i (); i++) - { - - if (text[i]=='\\') - { - for (i++; (i < text.length_i ()) && isalpha(text[i]); i++) - ; - // ugh. - i--; // Compensate for the increment in the outer loop! - } - else - { - 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]); - } - } - if (ydims.empty_b ()) - ydims = Interval (0,0); +#include +#include - return Box(Interval (0, w), ydims); -} +#include "dimensions.hh" +#include "modified-font-metric.hh" +#include "open-type-font.hh" +#include "stencil.hh" +#include "virtual-methods.hh" +#include "warn.hh" +#include "ly-smobs.icc" -Box -Scaled_font_metric::text_dimension (String t) const +Real +Font_metric::design_size () const { - Real realmag = pow (1.2, magstep_i_); - Box b (orig_l_->text_dimension (t)); - - return Box(b[X_AXIS]* realmag, b[Y_AXIS]*realmag); + return 1.0 * point_constant; } -Font_metric::~Font_metric () + +Stencil +Font_metric::find_by_name (String s) const { - unsmobify_self (); + s.substitute_char ('-', "M"); + int idx = name_to_index (s); + Box b; + + SCM expr = SCM_EOL; + if (idx >= 0) + { + expr = scm_list_3 (ly_symbol2scm ("named-glyph"), + self_scm (), + scm_makfrom0str (s.to_str0 ()) + ); + b = get_indexed_char (idx); + } + + Stencil q (b, expr); + return q; } Font_metric::Font_metric () { + description_ = SCM_EOL; self_scm_ = SCM_EOL; - name_ = SCM_EOL; smobify_self (); } @@ -73,62 +62,145 @@ Font_metric::Font_metric (Font_metric const &) } - -Box -Font_metric::get_char (int, bool)const +Font_metric::~Font_metric () { - return Box (Interval(0,0),Interval (0,0)); } -Scaled_font_metric::Scaled_font_metric (Font_metric* m, int s) +int +Font_metric::count () const { - magstep_i_ = s; - orig_l_ = m; + return 0; } -SCM -Font_metric::description () const +Box +Font_metric::get_ascii_char (int) const { - return gh_cons (name_, gh_int2scm (0)); + return Box (Interval (0, 0), Interval (0, 0)); } +Box +Font_metric::get_indexed_char (int k) const +{ + return get_ascii_char (k); +} -SCM -Scaled_font_metric::description () const +int +Font_metric::name_to_index (String) const { - SCM od = orig_l_->description (); - gh_set_cdr_x (od, gh_int2scm (magstep_i_)); - return od; + return -1; } +Offset +Font_metric::get_indexed_wxwy (int) const +{ + return Offset (0, 0); +} void -Font_metric::do_smobify_self () +Font_metric::derived_mark () const { } SCM Font_metric::mark_smob (SCM s) { - Font_metric * m = SMOB_TO_TYPE(Font_metric, s); - return m->name_; + Font_metric *m = (Font_metric*) SCM_CELL_WORD_1 (s); + m->derived_mark (); + return m->description_; } int -Font_metric::print_smob (SCM s, SCM port, scm_print_state * ) +Font_metric::print_smob (SCM s, SCM port, scm_print_state *) { Font_metric *m = unsmob_metrics (s); - scm_puts ("#name_, port); + scm_puts ("#<", port); + scm_puts (classname (m), port); + scm_puts (" ", port); + scm_write (m->description_, port); scm_puts (">", port); return 1; } -Font_metric * -unsmob_metrics( SCM s) + + +IMPLEMENT_SMOBS (Font_metric); +IMPLEMENT_DEFAULT_EQUAL_P (Font_metric); +IMPLEMENT_TYPE_P (Font_metric, "ly:font-metric?"); + + +SCM +Font_metric::font_file_name () const { - if (SMOB_IS_TYPE_B(Font_metric, s)) - return SMOB_TO_TYPE(Font_metric, s); - else - return 0; + return scm_car (description_); } + +String +Font_metric::font_name () const +{ + String s ("unknown"); + return s; +} + +#include "afm.hh" + + +int +Font_metric::index_to_ascii (int i) const +{ + return i; +} + +unsigned +Font_metric::index_to_charcode (int i) const +{ + return (unsigned) index_to_ascii (i); +} + +Stencil +Font_metric::get_ascii_char_stencil (int code) const +{ + SCM at = scm_list_3 (ly_symbol2scm ("char"), self_scm (), + scm_int2num (code)); + Box b = get_ascii_char (code); + return Stencil (b, at); +} + +Stencil +Font_metric::get_indexed_char_stencil (int code) const +{ + int idx = index_to_ascii (code); + SCM at = scm_list_3 (ly_symbol2scm ("char"), self_scm (), scm_int2num (idx)); + Box b = get_indexed_char (code); + return Stencil (b, at); +} + + +Offset +Font_metric::attachment_point (String) const +{ + return Offset (0, 0); +} + +SCM +Font_metric::sub_fonts () const +{ + return SCM_EOL; +} + +Stencil +Font_metric::text_stencil (String str) const +{ + SCM lst = scm_list_3 (ly_symbol2scm ("text"), + this->self_scm (), + scm_makfrom0str (str.to_str0 ())); + + Box b = text_dimension (str); + return Stencil (b, lst); +} + +Box +Font_metric::text_dimension (String) const +{ + return Box (Interval (0, 0), Interval (0, 0)); +} +