[ft-colr] Ifdef build for older freetype

src/hb-ft-colr.hh

@@ -27,9 +27,12 @@
 
 #include "hb.hh"
 
+#include FT_COLOR_H
 
 #ifndef HB_NO_PAINT
 
+#ifdef TT_SUPPORT_COLRV1
+
 static hb_paint_composite_mode_t
 _hb_ft_paint_composite_mode (FT_Composite_Mode mode)
 {
@@ -421,6 +424,8 @@ _hb_ft_paint (hb_ft_paint_context_t *c,
   }
 }
 
+#endif
+
 static bool
 hb_ft_paint_glyph_colr (hb_font_t *font,
 			void *font_data,
@@ -447,6 +452,7 @@ hb_ft_paint_glyph_colr (hb_font_t *font,
   if (error)
     palette = NULL;
 
+#ifdef TT_SUPPORT_COLRV1
   /* COLRv1 */
   FT_OpaquePaint paint = {0};
   if (FT_Get_Color_Glyph_Paint (ft_face, gid,
@@ -477,6 +483,7 @@ hb_ft_paint_glyph_colr (hb_font_t *font,
 
     return true;
   }
+#endif
 
   /* COLRv0 */
   iterator.p  = NULL;