[config] Add HB_NO_BORING_EXPANSION

src/hb-config.hh

@@ -85,6 +85,7 @@
 #ifdef HB_MINI
 #define HB_NO_AAT
 #define HB_NO_LEGACY
+#define HB_NO_BORING_EXPANSION
 #endif
 
 #if defined(HAVE_CONFIG_OVERRIDE_H) || defined(HB_CONFIG_OVERRIDE_H)

src/hb-ot-hmtx-table.hh

@@ -261,6 +261,10 @@ struct hmtxvmtx
       if (unlikely (!num_advances))
 	return default_advance;
 
+#ifdef HB_NO_BORING_EXPANSION
+      return 0;
+#endif
+
       if (unlikely (glyph >= num_glyphs))
         return 0;
 

src/hb-static.cc

@@ -102,7 +102,10 @@ hb_face_t::load_num_glyphs () const
 {
   unsigned ret = 0;
 
+#ifndef HB_NO_BORING_EXPANSION
+  if (!ret)
     ret = load_num_glyphs_from_loca (this);
+#endif
 
   if (!ret)
     ret = load_num_glyphs_from_maxp (this);

test/api/test-be-glyph-advance.c

@@ -77,9 +77,11 @@ test_maxp_and_hmtx (void)
   g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 2), ==, 3);
   g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 3), ==, 3);
   g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 4), ==, 3);
+#ifndef HB_NO_BORING_EXPANSION
   g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 5), ==, 8);
   g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 6), ==, 9);
   g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 7), ==, 9);
+#endif
   g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 8), ==, 0);
   g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 9), ==, 0);
   g_assert_cmpuint (hb_font_get_glyph_h_advance (font,10), ==, 0);

test/api/test-be-num-glyphs.c

@@ -45,6 +45,7 @@ test_maxp_and_loca (void)
   g_assert_cmpuint (hb_face_get_glyph_count (face), ==, 5);
   hb_face_destroy (face);
 
+#ifndef HB_NO_BORING_EXPANSION
   face = hb_face_builder_create ();
   HB_FACE_ADD_TABLE (face, "maxp", maxp_data);
   HB_FACE_ADD_TABLE (face, "loca", loca_data);
@@ -55,6 +56,7 @@ test_maxp_and_loca (void)
   HB_FACE_ADD_TABLE (face, "loca", loca_data);
   g_assert_cmpuint (hb_face_get_glyph_count (face), ==, 8);
   hb_face_destroy (face);
+#endif
 }