-/*
+/*
font-metric.cc -- implement Font_metric
-
+
source file of the GNU LilyPond music typesetter
-
- (c) 1999--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
- Mats Bengtsson <matsb@s3.kth.se> (the ugly TeX parsing in text_dimension)
+ (c) 1999--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+
+ Mats Bengtsson <matsb@s3.kth.se> (the ugly TeX parsing in text_dimension)
*/
#include "font-metric.hh"
-#include <math.h>
+#include <cmath>
#include <cctype>
+using namespace std;
+#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"
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
{
- s.substitute_char ('-', "M");
+ 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 ("named-glyph"),
self_scm (),
- scm_makfrom0str (s.to_str0 ())
- );
+ ly_string2scm (s));
b = get_indexed_char (idx);
}
-
+
Stencil q (b, expr);
return q;
}
{
}
-
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);
}
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_;
}
{
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_font_get_glyph, "ly:font-get-glyph",
- 2, 0, 0,
- (SCM font, SCM name),
- "Return a Stencil from @var{font} for the glyph named @var{name}. "
- "@var{font} must be available as an AFM file. If the glyph "
- "is not available, return @code{#f}.")
-{
- Font_metric *fm = unsmob_metrics (font);
- SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric");
- SCM_ASSERT_TYPE (scm_is_string (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 ();
-}
-
-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}.")
-{
- Font_metric *fm = unsmob_metrics (font);
- SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric");
- SCM_ASSERT_TYPE (scm_is_number (index), index, SCM_ARG2, __FUNCTION__, "number");
-
- return fm->get_ascii_char_stencil (scm_to_int (index)).smobbed_copy ();
-}
-
-LY_DEFINE (ly_font_glyph_name_to_index, "ly:font-glyph-name-to-index",
- 2, 0, 0,
- (SCM font, SCM name),
- "Return the index for @var{name} in @var{font}.")
-{
- Font_metric *fm = unsmob_metrics (font);
- SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric");
- SCM_ASSERT_TYPE (scm_is_string (name), name, SCM_ARG2, __FUNCTION__, "string");
-
- return scm_from_int (fm->name_to_index (ly_scm2string (name)));
-}
-
-LY_DEFINE (ly_font_index_to_charcode, "ly:font-index-to-charcode",
- 2, 0, 0,
- (SCM font, SCM index),
- "Return the character code for @var{index} @var{font}.")
-{
- Font_metric *fm = unsmob_metrics (font);
- SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric");
- SCM_ASSERT_TYPE (scm_is_integer (index), index, SCM_ARG2, __FUNCTION__, "index");
-
- return scm_from_unsigned_integer (fm->index_to_charcode (scm_to_int (index)));
-}
-
-LY_DEFINE (ly_font_glyph_name_to_charcode, "ly:font-glyph-name-to-charcode",
- 2, 0, 0,
- (SCM font, SCM name),
- "Return the character code for glyph @var{name} in @var{font}.")
-{
- Font_metric *fm = unsmob_metrics (font);
- SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric");
- SCM_ASSERT_TYPE (scm_is_string (name), name, SCM_ARG2, __FUNCTION__, "string");
-#if 1
- return scm_from_unsigned_integer (fm->index_to_charcode (fm->name_to_index (ly_scm2string (name))));
-#else
- return scm_from_unsigned_integer (fm->glyph_name_to_charcode (ly_scm2string (name)));
-#endif
-}
-
-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<Modified_font_metric*>
- (unsmob_metrics (font));
-
- SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "modified font metric");
- SCM_ASSERT_TYPE (scm_is_string (text), text, SCM_ARG2, __FUNCTION__, "string");
- Stencil stc (fm->text_stencil (ly_scm2string (text)));
- return scm_cons (ly_interval2scm (stc.extent (X_AXIS)),
- ly_interval2scm (stc.extent (Y_AXIS)));
-}
-
-LY_DEFINE (ly_font_file_name, "ly:font-file-name",
- 1, 0, 0,
- (SCM font),
- "Given the font metric @var{font}, "
- "return the corresponding file name.")
+SCM
+Font_metric::font_file_name () const
{
- Font_metric *fm = unsmob_metrics (font);
- SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric");
- return scm_car (fm->description_);
+ return scm_car (description_);
}
-String
+string
Font_metric::font_name () const
{
- String s ("unknown");
+ string s ("unknown");
return s;
}
-#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 name.")
-{
- Font_metric *fm = unsmob_metrics (font);
-
- SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric");
- return scm_makfrom0str (fm->font_name().to_str0 ());
-}
-
-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.")
-{
- Font_metric *fm = unsmob_metrics (font);
- SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric");
- return scm_cdr (fm->description_);
-}
-
-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.")
-{
- Font_metric *fm = unsmob_metrics (font);
- SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric");
- return scm_make_real (fm->design_size ());
-}
-
-
-
-int
-Font_metric::index_to_ascii (int i) const
+size_t
+Font_metric::index_to_ascii (size_t i) const
{
return i;
}
-unsigned
-Font_metric::index_to_charcode (int i) const
+size_t
+Font_metric::index_to_charcode (size_t i) const
{
- return (unsigned) index_to_ascii (i);
+ return index_to_ascii (i);
}
Stencil
-Font_metric::get_ascii_char_stencil (int code) const
+Font_metric::get_ascii_char_stencil (size_t code) const
{
SCM at = scm_list_3 (ly_symbol2scm ("char"), self_scm (),
- scm_int2num (code));
+ scm_from_unsigned (code));
Box b = get_ascii_char (code);
return Stencil (b, at);
}
Stencil
-Font_metric::get_indexed_char_stencil (int code) const
+Font_metric::get_indexed_char_stencil (size_t code) const
{
- int idx = index_to_ascii (code);
- SCM at = scm_list_3 (ly_symbol2scm ("char"), self_scm (), scm_int2num (idx));
+ 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);
}
-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 scm_to_int (s);
-}
-
Offset
-Font_metric::attachment_point (String) const
+Font_metric::attachment_point (string) const
{
return Offset (0, 0);
}
}
Stencil
-Font_metric::text_stencil (String str) const
+Font_metric::word_stencil (string str) const
+{
+ return text_stencil (str);
+}
+
+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);
+ (void) str;
+ programming_error("Cannot get a text stencil from this font");
+ return Stencil (Box (), SCM_EOL);
}
Box
-Font_metric::text_dimension (String) const
+Font_metric::text_dimension (string) const
{
- return Box (Interval (0,0), Interval (0,0));
+ return Box (Interval (0, 0), Interval (0, 0));
}
+
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