X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ffont-metric.cc;h=73743ab5b23172a8a97197ada23fb9857a45498c;hb=ca20eaa74e7e762c0611de26cc2267909ae27e02;hp=2527069190ea16adf330c45ab96cc8277bf92dce;hpb=9f127ca14c9af5c0956a7ac82b7b15cd67fd7d57;p=lilypond.git diff --git a/lily/font-metric.cc b/lily/font-metric.cc index 2527069190..73743ab5b2 100644 --- a/lily/font-metric.cc +++ b/lily/font-metric.cc @@ -3,37 +3,53 @@ source file of the GNU LilyPond music typesetter - (c) 1999--2004 Han-Wen Nienhuys + (c) 1999--2005 Han-Wen Nienhuys Mats Bengtsson (the ugly TeX parsing in text_dimension) - */ +*/ + +#include "font-metric.hh" #include -#include +#include -#include "scaled-font-metric.hh" +#include "dimensions.hh" +#include "modified-font-metric.hh" +#include "open-type-font.hh" +#include "stencil.hh" #include "virtual-methods.hh" #include "warn.hh" -#include "stencil.hh" + #include "ly-smobs.icc" -#include "font-metric.hh" -#include "string.hh" Real Font_metric::design_size () const { - return 1.0; + return 1.0 * point_constant; } -String -Font_metric::coding_scheme () const + +Stencil +Font_metric::find_by_name (String s) const { - return "FontSpecific"; + 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; @@ -75,13 +91,13 @@ Font_metric::name_to_index (String) const } Offset -Font_metric::get_indexed_wxwy (int )const +Font_metric::get_indexed_wxwy (int) const { return Offset (0, 0); } void -Font_metric::derived_mark ()const +Font_metric::derived_mark () const { } @@ -111,99 +127,40 @@ IMPLEMENT_SMOBS (Font_metric); IMPLEMENT_DEFAULT_EQUAL_P (Font_metric); IMPLEMENT_TYPE_P (Font_metric, "ly:font-metric?"); -Stencil -Font_metric::find_by_name (String) const -{ - Stencil m; - return m; -} -LY_DEFINE (ly_find_glyph_by_name, "ly:find-glyph-by-name", - 2, 0, 0, - (SCM font, SCM name), - "This function retrieves a Stencil for the glyph named @var{name} " - "in " - "@var{font}. " - "The font must be available as an AFM file. If the glyph " - "is not found, @code{#f} is returned. ") +SCM +Font_metric::font_file_name () const { - Font_metric *fm = unsmob_metrics (font); - SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric"); - SCM_ASSERT_TYPE (gh_string_p (name), name, SCM_ARG2, __FUNCTION__, "string"); - - Stencil m = fm->find_by_name (ly_scm2string (name)); - - /* TODO: make optional argument for default if not found. */ - return m.smobbed_copy (); + return scm_car (description_); } -LY_DEFINE (ly_get_glyph, "ly:get-glyph", - 2, 0, 0, - (SCM font, SCM index), - "Retrieve a Stencil for the glyph numbered @var{index} " - "in @var{font}.") +String +Font_metric::font_name () const { - Font_metric *fm = unsmob_metrics (font); - SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric"); - SCM_ASSERT_TYPE (gh_number_p (index), index, SCM_ARG2, __FUNCTION__, "number"); - - return fm->get_ascii_char_stencil (gh_scm2int (index)).smobbed_copy (); + String s ("unknown"); + return s; } -LY_DEFINE (ly_text_dimension,"ly:text-dimension", - 2, 0, 0, - (SCM font, SCM text), - "Given the font metric in @var{font} and the string @var{text}, " - "compute the extents of that text in that font. " - "The return value is a pair of number-pairs.") -{ - Box b; - Modified_font_metric*fm = dynamic_cast - (unsmob_metrics (font)); - SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "modified font metric"); - SCM_ASSERT_TYPE (gh_string_p (text), text, SCM_ARG2, __FUNCTION__, "string"); - - b = fm->text_dimension (ly_scm2string (text)); - - return gh_cons (ly_interval2scm (b[X_AXIS]), ly_interval2scm (b[Y_AXIS])); -} +#include "afm.hh" -LY_DEFINE (ly_font_name,"ly:font-name", - 1, 0, 0, - (SCM font), - "Given the font metric @var{font}, " - "return the corresponding file name.") -{ - Font_metric *fm = unsmob_metrics (font); - SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric"); - return gh_car (fm->description_); -} -LY_DEFINE (ly_font_magnification,"ly:font-magnification", 1 , 0, 0, - (SCM font), - "Given the font metric @var{font}, return the " - "magnification, relative to the current outputscale.") +int +Font_metric::index_to_ascii (int i) const { - Font_metric *fm = unsmob_metrics (font); - SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric"); - return gh_cdr (fm->description_); + return i; } -LY_DEFINE (ly_font_design_size,"ly:font-design-size", 1 , 0, 0, - (SCM font), - "Given the font metric @var{font}, return the " - "design size, relative to the current outputscale.") +unsigned +Font_metric::index_to_charcode (int i) const { - Font_metric *fm = unsmob_metrics (font); - SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric"); - return gh_double2scm (fm->design_size ()); + return (unsigned) index_to_ascii (i); } Stencil Font_metric::get_ascii_char_stencil (int code) const { - SCM at = scm_list_2 (ly_symbol2scm ("char"), gh_int2scm (code)); - at = fontify_atom (this, at); + SCM at = scm_list_3 (ly_symbol2scm ("char"), self_scm (), + scm_int2num (code)); Box b = get_ascii_char (code); return Stencil (b, at); } @@ -211,22 +168,39 @@ Font_metric::get_ascii_char_stencil (int code) const Stencil Font_metric::get_indexed_char_stencil (int code) const { - SCM at = scm_list_2 (ly_symbol2scm ("char"), gh_int2scm (code)); - at = fontify_atom (this, at); + 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); } -int -/*Font_metric::*/ -get_encoded_index (Font_metric *m, String input_coding, int code) -{ - String font_coding = m->coding_scheme (); - if (font_coding == input_coding) - return code; - SCM s = scm_call_3 (ly_scheme_function ("encoded-index"), - scm_makfrom0str (input_coding.to_str0 ()), - scm_makfrom0str (font_coding.to_str0 ()), - scm_int2num (code)); - return gh_scm2int (s); + +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)); } +