/*
- open-type-font.cc -- implement Open_type_font
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2004--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2004--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
+#include "international.hh"
#include "modified-font-metric.hh"
#include "open-type-font.hh"
+#include "freetype.hh"
+
+#ifdef FT_FONT_FORMATS_H
+/* FreeType 2.6+ */
+#include FT_FONT_FORMATS_H
+#else
+/* FreeType 2.5.5 and earlier */
+#include FT_XFREE86_H
+#define FT_Get_Font_Format FT_Get_X11_Font_Format
+#endif
LY_DEFINE (ly_font_sub_fonts, "ly:font-sub-fonts", 1, 0, 0,
- (SCM font),
- "Given the font metric @var{font} of an OpenType font, return the "
- "names of the subfonts within @var{font}.")
+ (SCM font),
+ "Given the font metric @var{font} of an OpenType font, return the"
+ " names of the subfonts within @var{font}.")
{
- Font_metric *fm = unsmob_metrics (font);
- SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric");
+ LY_ASSERT_SMOB (Font_metric, font, 1);
+
+ Font_metric *fm = unsmob<Font_metric> (font);
return fm->sub_fonts ();
}
LY_DEFINE (ly_otf_font_glyph_info, "ly:otf-font-glyph-info", 2, 0, 0,
- (SCM font, SCM glyph),
- "Given the font metric @var{font} of an OpenType font, return the "
- "information about named glyph @var{glyph} (a string)")
+ (SCM font, SCM glyph),
+ "Given the font metric @var{font} of an OpenType font, return the"
+ " information about named glyph @var{glyph} (a string).")
{
Modified_font_metric *fm
- = dynamic_cast<Modified_font_metric *> (unsmob_metrics (font));
- Open_type_font *otf = dynamic_cast<Open_type_font *> (fm->original_font ());
- SCM_ASSERT_TYPE (otf, font, SCM_ARG1, __FUNCTION__, "OTF font-metric");
- SCM_ASSERT_TYPE (scm_is_string (glyph), glyph, SCM_ARG1,
- __FUNCTION__, "string");
+ = unsmob<Modified_font_metric> (font);
+ Open_type_font *otf = fm
+ ? dynamic_cast<Open_type_font *> (fm->original_font ())
+ : unsmob<Open_type_font> (font);
+
+ SCM_ASSERT_TYPE (otf, font, SCM_ARG1, __FUNCTION__, "OpenType font");
+ LY_ASSERT_TYPE (scm_is_string, glyph, 2);
SCM sym = scm_string_to_symbol (glyph);
return scm_hashq_ref (otf->get_char_table (), sym, SCM_EOL);
}
LY_DEFINE (ly_otf_font_table_data, "ly:otf-font-table-data", 2, 0, 0,
- (SCM font, SCM tag),
- "Extract a table @var{tag} from @var{font}. Return empty string for "
- "non-existent @var{tag}.")
+ (SCM font, SCM tag),
+ "Extract a table @var{tag} from @var{font}. Return empty string"
+ " for non-existent @var{tag}.")
{
Modified_font_metric *fm
- = dynamic_cast<Modified_font_metric *> (unsmob_metrics (font));
-
- Open_type_font *otf = fm ? dynamic_cast<Open_type_font *> (fm->original_font ())
- : dynamic_cast<Open_type_font *> (unsmob_metrics (font));
+ = unsmob<Modified_font_metric> (font);
+ Open_type_font *otf = fm
+ ? dynamic_cast<Open_type_font *> (fm->original_font ())
+ : unsmob<Open_type_font> (font);
- SCM_ASSERT_TYPE (otf, font, SCM_ARG1, __FUNCTION__, "Open type font");
- SCM_ASSERT_TYPE (scm_is_string (tag), tag, SCM_ARG1, __FUNCTION__, "Open type font");
+ SCM_ASSERT_TYPE (otf, font, SCM_ARG1, __FUNCTION__, "OpenType font");
+ LY_ASSERT_TYPE (scm_is_string, tag, 2);
char ctag [5] = " ";
- String tag_string = ly_scm2string (tag);
+ string tag_string = ly_scm2string (tag);
strncpy (ctag, tag_string.c_str (), tag_string.length ());
- String tab = otf->get_otf_table (String (ctag));
+ string tab = otf->get_otf_table (string (ctag));
- return scm_from_locale_stringn ((char const *) tab.to_bytes (), tab.length ());
+ return scm_from_latin1_stringn ((char const *) tab.data (), tab.length ());
}
LY_DEFINE (ly_otf_font_p, "ly:otf-font?", 1, 0, 0,
- (SCM font),
- "Is @var{font} an OpenType font?")
+ (SCM font),
+ "Is @var{font} an OpenType font?")
{
Modified_font_metric *fm
- = dynamic_cast<Modified_font_metric *> (unsmob_metrics (font));
-
- Open_type_font *otf = fm ? dynamic_cast<Open_type_font *> (fm->original_font ())
- : dynamic_cast<Open_type_font *> (unsmob_metrics (font));
+ = unsmob<Modified_font_metric> (font);
+ Open_type_font *otf = fm
+ ? dynamic_cast<Open_type_font *> (fm->original_font ())
+ : unsmob<Open_type_font> (font);
return scm_from_bool (otf);
}
-LY_DEFINE (ly_otf_glyph_list, "ly:otf-glyph-list",
- 1, 0, 0, (SCM font),
- "Return a list of glyphnames for @var{font}.")
+LY_DEFINE (ly_otf_glyph_count, "ly:otf-glyph-count", 1, 0, 0,
+ (SCM font),
+ "Return the number of glyphs in @var{font}.")
{
Modified_font_metric *fm
- = dynamic_cast<Modified_font_metric *> (unsmob_metrics (font));
+ = unsmob<Modified_font_metric> (font);
+ Open_type_font *otf = fm
+ ? dynamic_cast<Open_type_font *> (fm->original_font ())
+ : unsmob<Open_type_font> (font);
- Open_type_font *otf = fm ? dynamic_cast<Open_type_font *> (fm->original_font ())
- : dynamic_cast<Open_type_font *> (unsmob_metrics (font));
+ SCM_ASSERT_TYPE (otf, font, SCM_ARG1, __FUNCTION__, "OpenType font");
+ return scm_from_int ((int) otf->count ());
+}
+
+LY_DEFINE (ly_otf_glyph_list, "ly:otf-glyph-list", 1, 0, 0,
+ (SCM font),
+ "Return a list of glyph names for @var{font}.")
+{
+ Modified_font_metric *fm
+ = unsmob<Modified_font_metric> (font);
+ Open_type_font *otf = fm
+ ? dynamic_cast<Open_type_font *> (fm->original_font ())
+ : unsmob<Open_type_font> (font);
+
+ SCM_ASSERT_TYPE (otf, font, SCM_ARG1, __FUNCTION__, "OpenType font");
- SCM_ASSERT_TYPE (otf,font, SCM_ARG1, __FUNCTION__, "OTF font");
return otf->glyph_list ();
+}
+LY_DEFINE (ly_get_font_format, "ly:get-font-format",
+ 1, 1, 0, (SCM font_file_name, SCM idx),
+ "Get the font format for @var{font_file_name},"
+ " returning it as a symbol. The optional"
+ " @var{idx} argument is useful for TrueType Collections (TTC) and"
+ " OpenType/CFF collections (OTC) only;"
+ " it specifies the font index within the TTC/OTC."
+ " The default value of @var{idx} is@tie{}0.")
+{
+ LY_ASSERT_TYPE (scm_is_string, font_file_name, 1);
+
+ int i = 0;
+ if (!SCM_UNBNDP (idx))
+ {
+ LY_ASSERT_TYPE (scm_is_integer, idx, 2);
+ i = scm_to_int (idx);
+ if (i < 0)
+ {
+ warning (_ ("font index must be non-negative, using index 0"));
+ i = 0;
+ }
+ }
+
+ string file_name = ly_scm2string (font_file_name);
+
+ FT_Face face;
+ /* check whether font index is valid */
+ if (i > 0)
+ {
+ face = open_ft_face (file_name, -1);
+ if (i >= face->num_faces)
+ {
+ warning (_f ("font index %d too large for font `%s', using index 0",
+ i, file_name.c_str ()));
+ i = 0;
+ }
+ FT_Done_Face (face);
+ }
+
+ face = open_ft_face (file_name, i);
+ SCM asscm = scm_from_ascii_symbol (FT_Get_Font_Format (face));
+ FT_Done_Face (face);
+
+ return asscm;
}
projects / lilypond.git / blobdiff