-/*
+/*
font-metric.hh -- declare Font_metric
-
+
source file of the GNU LilyPond music typesetter
-
- (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+
+ (c) 1999--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
#ifndef FONT_METRIC_HH
#define FONT_METRIC_HH
#include "box.hh"
-/*
- sigh.
+#include "lily-proto.hh"
+#include "smobs.hh"
+#include "virtual-methods.hh"
+#include "freetype.hh"
- signature -> Internal compiler error
-*/
+#include <map>
+using namespace std;
+
+typedef map<FT_UInt, FT_ULong> Index_to_charcode_map;
-struct Character_metric
+class Font_metric
{
- virtual Box dimensions () const=0;
- virtual ~Character_metric () {}
+ DECLARE_CLASSNAME(Font_metric);
+
+public:
+ SCM description_;
+ string file_name_;
+
+ virtual Stencil text_stencil (string) const;
+ virtual Stencil word_stencil (string) const;
+
+ // ugh.
+ virtual Box text_dimension (string) const;
+
+ virtual string font_name () const;
+ virtual size_t count () const;
+ virtual Offset attachment_point (string) const;
+ virtual Offset get_indexed_wxwy (size_t) const;
+ virtual Box get_indexed_char (size_t index) const;
+ virtual Box get_ascii_char (size_t ascii) const;
+
+ /*
+ WTF are these vsize ?
+
+ Font_metric is not related to vector<>
+ */
+ virtual size_t name_to_index (string) const;
+ virtual size_t index_to_charcode (size_t) const;
+ virtual size_t index_to_ascii (size_t) const;
+ virtual Real design_size () const;
+ virtual Stencil find_by_name (string) const;
+ virtual Stencil get_indexed_char_stencil (size_t k) const;
+ virtual Stencil get_ascii_char_stencil (size_t k) const;
+ virtual SCM sub_fonts () const;
+ virtual SCM font_file_name () const;
+ DECLARE_SMOBS (Font_metric);
+
+private:
+ /* No copying, no implicit copy constructor. */
+ Font_metric (Font_metric const &);
+
+protected:
+ virtual void derived_mark () const;
+
+ Font_metric ();
};
-struct Font_metric
+int get_encoded_index (Font_metric *m, string input_coding, int code);
+
+class Simple_font_metric : public Font_metric
{
- virtual Character_metric *get_char (int ascii, bool warn) const=0;
- virtual ~Font_metric () {}
+ DECLARE_CLASSNAME(Simple_font_metric);
+public:
};
+DECLARE_UNSMOB (Font_metric, metrics);
-
+Box lookup_tex_text_dimension (Font_metric *font, SCM text);
#endif /* FONT_METRIC_HH */
-