X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ffont-metric.cc;h=9901f4c38292987ab9376ac524d1c2e2e53a8a6c;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=07afa3076bc76d44d1105ae0c033eedd13942895;hpb=821a5c58b0143163b399728165152e9fdd6b4c45;p=lilypond.git diff --git a/lily/font-metric.cc b/lily/font-metric.cc index 07afa3076b..9901f4c382 100644 --- a/lily/font-metric.cc +++ b/lily/font-metric.cc @@ -1,51 +1,49 @@ -/* +/* font-metric.cc -- implement Font_metric - + source file of the GNU LilyPond music typesetter - - (c) 1999--2004 Han-Wen Nienhuys - Mats Bengtsson (the ugly TeX parsing in text_dimension) - */ + (c) 1999--2008 Han-Wen Nienhuys -#include -#include + Mats Bengtsson (the ugly TeX parsing in text_dimension) +*/ -#include "scaled-font-metric.hh" -#include "virtual-methods.hh" -#include "warn.hh" +#include "font-metric.hh" + +#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 "ly-smobs.icc" -#include "font-metric.hh" -#include "string.hh" Real Font_metric::design_size () const { - return 1.0; -} - -String -Font_metric::coding_scheme () const -{ - return "FontSpecific"; + return 1.0 * point_constant; } Stencil -Font_metric::find_by_name (String s) const +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) { - expr = scm_list_3 (ly_symbol2scm ("char"), + expr = scm_list_3 (ly_symbol2scm ("named-glyph"), self_scm (), - scm_int2num (index_to_ascii (idx))); + ly_string2scm (s)); b = get_indexed_char (idx); } - + Stencil q (b, expr); return q; } @@ -61,37 +59,36 @@ Font_metric::Font_metric (Font_metric const &) { } - Font_metric::~Font_metric () { } -int +size_t Font_metric::count () const { return 0; } -Box -Font_metric::get_ascii_char (int) const +Box +Font_metric::get_ascii_char (size_t) const { return Box (Interval (0, 0), Interval (0, 0)); } -Box -Font_metric::get_indexed_char (int k) const +Box +Font_metric::get_indexed_char (size_t k) const { return get_ascii_char (k); } -int -Font_metric::name_to_index (String) const +size_t +Font_metric::name_to_index (string) const { - return -1; + return (size_t)-1; } Offset -Font_metric::get_indexed_wxwy (int )const +Font_metric::get_indexed_wxwy (size_t) const { return Offset (0, 0); } @@ -104,7 +101,7 @@ 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_; } @@ -114,165 +111,90 @@ Font_metric::print_smob (SCM s, SCM port, scm_print_state *) { Font_metric *m = unsmob_metrics (s); scm_puts ("#<", port); - scm_puts (classname (m), port); + scm_puts (m->class_name (), port); scm_puts (" ", port); scm_write (m->description_, port); scm_puts (">", port); return 1; } - - IMPLEMENT_SMOBS (Font_metric); IMPLEMENT_DEFAULT_EQUAL_P (Font_metric); IMPLEMENT_TYPE_P (Font_metric, "ly:font-metric?"); - -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 (ly_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 (ly_number_p (index), index, SCM_ARG2, __FUNCTION__, "number"); - - return fm->get_ascii_char_stencil (ly_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.") +size_t +Font_metric::index_to_ascii (size_t i) const { - 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 (ly_string_p (text), text, SCM_ARG2, __FUNCTION__, "string"); - - b = fm->text_dimension (ly_scm2string (text)); - - return scm_cons (ly_interval2scm (b[X_AXIS]), ly_interval2scm (b[Y_AXIS])); + return i; } -LY_DEFINE (ly_font_filename,"ly:font-filename", - 1, 0, 0, - (SCM font), - "Given the font metric @var{font}, " - "return the corresponding file name.") +size_t +Font_metric::index_to_charcode (size_t i) const { - Font_metric *fm = unsmob_metrics (font); - SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric"); - return ly_car (fm->description_); + return index_to_ascii (i); } - -#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.") +Stencil +Font_metric::get_ascii_char_stencil (size_t code) const { - Font_metric *fm = unsmob_metrics (font); - - SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric"); - - - if (Modified_font_metric* mfm = dynamic_cast (fm)) - return ly_font_name (mfm->original_font ()->self_scm ()); - else if (Adobe_font_metric* afm = dynamic_cast (fm)) - { - return scm_makfrom0str (afm->font_info_->gfi->fontName); - } - else - return SCM_BOOL_F; + SCM at = scm_list_3 (ly_symbol2scm ("char"), self_scm (), + scm_from_unsigned (code)); + Box b = get_ascii_char (code); + return Stencil (b, at); } - - -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.") +Stencil +Font_metric::get_indexed_char_stencil (size_t code) const { - Font_metric *fm = unsmob_metrics (font); - SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric"); - return ly_cdr (fm->description_); + 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); } -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.") +Offset +Font_metric::attachment_point (string) const { - Font_metric *fm = unsmob_metrics (font); - SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric"); - return scm_make_real (fm->design_size ()); + return Offset (0, 0); } - - -int -Font_metric::index_to_ascii (int i) const +SCM +Font_metric::sub_fonts () const { - return i; + return SCM_EOL; } Stencil -Font_metric::get_ascii_char_stencil (int code) const +Font_metric::word_stencil (string str) const { - SCM at = scm_list_3 (ly_symbol2scm ("char"), - this->self_scm (), - scm_int2num (code)); - Box b = get_ascii_char (code); - return Stencil (b, at); + return text_stencil (str); } Stencil -Font_metric::get_indexed_char_stencil (int code) const +Font_metric::text_stencil (string str) const { - SCM at = scm_list_3 (ly_symbol2scm ("char"), - self_scm (), - scm_int2num (code)); - Box b = get_indexed_char (code); - return Stencil (b, at); + (void) str; + programming_error("Cannot get a text stencil from this font"); + return Stencil (Box (), SCM_EOL); } -int -/*Font_metric::*/ -get_encoded_index (Font_metric *m, String input_coding, int code) +Box +Font_metric::text_dimension (string) const { - 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 ly_scm2int (s); + return Box (Interval (0, 0), Interval (0, 0)); } +