1 files changed, 12 insertions, 1 deletions

diff --git a/firmware/export/font.h b/firmware/export/font.h
index beb63470bf..ccdb30ff00 100644
--- a/firmware/export/font.h
+++ b/firmware/export/font.h
@@ -31,10 +31,16 @@
 #if LCD_HEIGHT > 64
 #define MAX_FONT_SIZE   10000
 #else
-#define MAX_FONT_SIZE   4000
+#define MAX_FONT_SIZE   4000
 #endif
 #endif
 
+#ifndef FONT_HEADER_SIZE
+#define FONT_HEADER_SIZE 36
+#endif
+
+#define GLYPH_CACHE_FILE "/.rockbox/.glyphcache"
+
 /*
  * Fonts are specified by number, and used for display
  * of menu information as well as mp3 filename data.
@@ -88,6 +94,7 @@ struct font {
     const unsigned short *offset;       /* offsets into bitmap data*/
     const unsigned char *width; /* character widths or NULL if fixed*/
     int         defaultchar;    /* default char (not glyph index)*/
+    long       bits_size;       /* # bytes of glyph bits*/
 };
 
 /* font routines*/
@@ -96,6 +103,10 @@ struct font* font_load(const char *path);
 struct font* font_get(int font);
 void font_reset(void);
 int font_getstringsize(const unsigned char *str, int *w, int *h, int fontnumber);
+int font_get_width(struct font* ft, unsigned short ch);
+const unsigned char * font_get_bits(struct font* ft, unsigned short ch);
+void glyph_cache_save(void);
+void glyph_cache_load(void);
 
 #else /* HAVE_LCD_BITMAP */