[config] Don't compile math API if HB_NO_MATH

Part of https://github.com/harfbuzz/harfbuzz/issues/1652

diff --git a/src/hb-ot-math.cc b/src/hb-ot-math.cc
index 7f27923..a0bc357 100644 (file)
--- a/src/hb-ot-math.cc
+++ b/src/hb-ot-math.cc
@@ -24,6 +24,10 @@
  * Igalia Author(s): Frédéric Wang
  */
 
+#include "hb.hh"
+
+#ifndef HB_NO_MATH
+
 #include "hb-open-type.hh"
 
 #include "hb-ot-face.hh"
@@ -62,10 +66,6 @@
 hb_bool_t
 hb_ot_math_has_data (hb_face_t *face)
 {
-#ifdef HB_NO_MATH
-  return false;
-#endif
-
   return face->table.MATH->has_data ();
 }
 
@@ -90,10 +90,6 @@ hb_position_t
 hb_ot_math_get_constant (hb_font_t *font,
                         hb_ot_math_constant_t constant)
 {
-#ifdef HB_NO_MATH
-  return 0;
-#endif
-
   return font->face->table.MATH->get_constant(constant, font);
 }
 
@@ -113,10 +109,6 @@ hb_position_t
 hb_ot_math_get_glyph_italics_correction (hb_font_t *font,
                                         hb_codepoint_t glyph)
 {
-#ifdef HB_NO_MATH
-  return 0;
-#endif
-
   return font->face->table.MATH->get_glyph_info().get_italics_correction (glyph, font);
 }
 
@@ -143,10 +135,6 @@ hb_position_t
 hb_ot_math_get_glyph_top_accent_attachment (hb_font_t *font,
                                            hb_codepoint_t glyph)
 {
-#ifdef HB_NO_MATH
-  return 0;
-#endif
-
   return font->face->table.MATH->get_glyph_info().get_top_accent_attachment (glyph, font);
 }
 
@@ -165,10 +153,6 @@ hb_bool_t
 hb_ot_math_is_glyph_extended_shape (hb_face_t *face,
                                    hb_codepoint_t glyph)
 {
-#ifdef HB_NO_MATH
-  return false;
-#endif
-
   return face->table.MATH->get_glyph_info().is_extended_shape (glyph);
 }
 
@@ -197,10 +181,6 @@ hb_ot_math_get_glyph_kerning (hb_font_t *font,
                              hb_ot_math_kern_t kern,
                              hb_position_t correction_height)
 {
-#ifdef HB_NO_MATH
-  return 0;
-#endif
-
   return font->face->table.MATH->get_glyph_info().get_kerning (glyph,
                                                               kern,
                                                               correction_height,
@@ -238,12 +218,6 @@ hb_ot_math_get_glyph_variants (hb_font_t *font,
                               unsigned int *variants_count, /* IN/OUT */
                               hb_ot_math_glyph_variant_t *variants /* OUT */)
 {
-#ifdef HB_NO_MATH
-  if (variants_count)
-    *variants_count = 0;
-  return 0;
-#endif
-
   return font->face->table.MATH->get_variants().get_glyph_variants (glyph, direction, font,
                                                                    start_offset,
                                                                    variants_count,
@@ -272,10 +246,6 @@ hb_position_t
 hb_ot_math_get_min_connector_overlap (hb_font_t *font,
                                      hb_direction_t direction)
 {
-#ifdef HB_NO_MATH
-  return 0;
-#endif
-
   return font->face->table.MATH->get_variants().get_min_connector_overlap (direction, font);
 }
 
@@ -313,12 +283,6 @@ hb_ot_math_get_glyph_assembly (hb_font_t *font,
                               hb_ot_math_glyph_part_t *parts, /* OUT */
                               hb_position_t *italics_correction /* OUT */)
 {
-#ifdef HB_NO_MATH
-  if (parts_count)
-    *parts_count = 0;
-  return 0;
-#endif
-
   return font->face->table.MATH->get_variants().get_glyph_parts (glyph,
                                                                 direction,
                                                                 font,
@@ -327,3 +291,6 @@ hb_ot_math_get_glyph_assembly (hb_font_t *font,
                                                                 parts,
                                                                 italics_correction);
 }
+
+
+#endif