only create a unicode2glyph table if explicitly requested

diff --git a/lib/gfxfont.c b/lib/gfxfont.c
index e6f96cb..a310bfa 100644 (file)
--- a/lib/gfxfont.c
+++ b/lib/gfxfont.c
@@ -557,7 +557,22 @@ void gfxfont_fix_unicode(gfxfont_t*font)
            max = u;
     }
     free(used);
-    
+    if(font->unicode2glyph) {
+       free(font->unicode2glyph);
+    }
+    font->unicode2glyph = 0;
+    font->max_unicode = 0;
+}
+
+void gfxfont_add_unicode2glyph(gfxfont_t*font)
+{ 
+    int t;
+    int max = 0;
+    for(t=0;t<font->num_glyphs;t++) {
+       int u = font->glyphs[t].unicode;
+       if(u > max)
+           max = u;
+    }
     if(!font->unicode2glyph) {
        /* (re)generate unicode2glyph-to-glyph mapping table by reverse mapping
           the glyph unicode2glyph's indexes into the mapping table. For collisions,

diff --git a/lib/gfxfont.h b/lib/gfxfont.h
index 0c18a56..a3e1acc 100644 (file)
--- a/lib/gfxfont.h
+++ b/lib/gfxfont.h
@@ -37,6 +37,7 @@ void gfxfont_save(gfxfont_t*font, const char*filename);
 void gfxfont_save_eot(gfxfont_t*font, const char*filename);
 void gfxfont_fix_unicode(gfxfont_t*font);
 void gfxfont_free(gfxfont_t*font);
+void gfxfont_add_unicode2glyph(gfxfont_t*font);
 
 #ifdef __cplusplus
 }