source file of the GNU LilyPond music typesetter
- (c) 2004--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 2004--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "open-type-font.hh"
+#include <cstdio>
+
+using namespace std;
+
#include <freetype/tttables.h>
-#include <stdio.h>
#include "dimensions.hh"
#include "modified-font-metric.hh"
FT_Byte *
load_table (char const *tag_str, FT_Face face, FT_ULong *length)
{
+ *length = 0;
FT_ULong tag = FT_MAKE_TAG (tag_str[0], tag_str[1], tag_str[2], tag_str[3]);
int error_code = FT_Load_Sfnt_Table (face, tag, 0, NULL, length);
return buffer;
}
+ else
+ programming_error ("Cannot find OpenType table.");
return 0;
}
String
Open_type_font::get_otf_table (String tag) const
{
- FT_ULong len;
- FT_Byte *tab = load_table (tag.to_str0 (), face_, &len);
-
- return String (tab, len);
+ return ::get_otf_table (face_, tag);
}
SCM
FT_Done_Face (face_);
}
-SCM
-Open_type_font::make_otf (String str)
+/*
+ UGH fix naming
+*/
+String
+get_otf_table (FT_Face face, String tag)
+{
+ FT_ULong len;
+ FT_Byte *tab = load_table (tag.to_str0 (), face, &len);
+
+ return String (tab, len);
+}
+
+FT_Face
+open_ft_face (String str)
{
FT_Face face;
int error_code = FT_New_Face (freetype2_library, str.to_str0 (), 0, &face);
else if (error_code)
error (_f ("unknown error: %d reading font file: %s", error_code,
str.to_str0 ()));
+ return face;
+}
+SCM
+Open_type_font::make_otf (String str)
+{
+ FT_Face face = open_ft_face (str);
Open_type_font *otf = new Open_type_font (face);
return otf->self_scm ();
lily_character_table_ = SCM_EOL;
lily_global_table_ = SCM_EOL;
lily_subfonts_ = SCM_EOL;
+ lily_index_to_bbox_table_ = SCM_EOL;
lily_character_table_ = alist_to_hashq (load_scheme_table ("LILC", face_));
lily_global_table_ = alist_to_hashq (load_scheme_table ("LILY", face_));
lily_subfonts_ = load_scheme_table ("LILF", face_);
index_to_charcode_map_ = make_index_to_charcode_map (face_);
+
+ lily_index_to_bbox_table_ = scm_c_make_hash_table (257);
}
void
scm_gc_mark (lily_character_table_);
scm_gc_mark (lily_global_table_);
scm_gc_mark (lily_subfonts_);
+ scm_gc_mark (lily_index_to_bbox_table_);
}
Offset
Box
Open_type_font::get_indexed_char (int signed_idx) const
{
+ if (SCM_HASHTABLE_P (lily_index_to_bbox_table_))
+ {
+ SCM box = scm_hashq_ref (lily_index_to_bbox_table_, scm_from_int (signed_idx), SCM_BOOL_F);
+ Box *box_ptr = Box::unsmob (box);
+ if (box_ptr)
+ return *box_ptr;
+ }
+
if (SCM_HASHTABLE_P (lily_character_table_))
{
const int len = 256;
bbox = scm_cdr (bbox);
b.scale (point_constant);
+
+ scm_hashq_set_x (lily_index_to_bbox_table_,
+ scm_from_int (signed_idx),
+ b.smobbed_copy ());
return b;
}
}