X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ffont-metric.cc;h=a3acc19d88c68fc0be9f9ef527c6d6df67148c43;hb=72e907de352fb29336e9d70b9c2a999f881e79be;hp=8ff6a36bac4127269a6525f81d4437ee31b0f380;hpb=7776d4901caa57e1d0f3ab7cf01348b930a6dbee;p=lilypond.git diff --git a/lily/font-metric.cc b/lily/font-metric.cc index 8ff6a36bac..a3acc19d88 100644 --- a/lily/font-metric.cc +++ b/lily/font-metric.cc @@ -1,115 +1,198 @@ -/* - font-metric.cc -- implement Font_metric - +/* + font-metric.cc -- implement Font_metric + source file of the GNU LilyPond music typesetter - - (c) 1999--2000 Han-Wen Nienhuys - Mats Bengtsson (the ugly TeX parsing in text_dimension) - */ + (c) 1999--2005 Han-Wen Nienhuys + + Mats Bengtsson (the ugly TeX parsing in text_dimension) +*/ + +#include "font-metric.hh" #include -#include +#include + +#include "dimensions.hh" +#include "modified-font-metric.hh" +#include "open-type-font.hh" +#include "stencil.hh" +#include "virtual-methods.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 +{ + s.substitute ('-', '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]); - - // 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 (), + scm_makfrom0str (s.to_str0 ())); + 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 () +int +Font_metric::count () const { - description_ = SCM_EOL; + return 0; +} - smobify_self (); +Box +Font_metric::get_ascii_char (int) const +{ + return Box (Interval (0, 0), Interval (0, 0)); } -Font_metric::Font_metric (Font_metric const &) +Box +Font_metric::get_indexed_char (int k) const { + return get_ascii_char (k); } +int +Font_metric::name_to_index (String) const +{ + return -1; +} -Box -Font_metric::get_char (int )const +Offset +Font_metric::get_indexed_wxwy (int) 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_; } 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 ("#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_DEFAULT_EQUAL_P (Font_metric); +IMPLEMENT_TYPE_P (Font_metric, "ly:font-metric?"); + +SCM +Font_metric::font_file_name () const +{ + 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); +} -Molecule -Font_metric::find_by_name (String) const +Stencil +Font_metric::get_ascii_char_stencil (int code) const { - Molecule m ; - return m; + 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)); +}