HarfBuzzSubset< T, typename > Struct Template Reference

Static Public Member Functions
static HarfbuzzWrappers::HbFacePtr	Make (hb_face_t *face, T input)

Detailed Description

template<typename T, typename = void>
struct HarfBuzzSubset< T, typename >

Definition at line 67 of file main.cc.

Member Function Documentation

Make()

template<typename T , typename = void>

static HarfbuzzWrappers::HbFacePtr HarfBuzzSubset< T, typename >::Make ( hb_face_t *  face, T  input  )

inlinestatic

Definition at line 69 of file main.cc.

                                                                  {
    // The prior version of harfbuzz automatically dropped layout tables,
    // but in the new version they are kept by default. So re-add them to the
    // drop list to retain the same behaviour.
    if (!hb_ot_var_has_data(face) || hb_ot_var_get_axis_count(face) == 0) {
      // we can only drop GSUB/GPOS/GDEF for non variable fonts, they may be
      // needed for variable fonts (guessing we need to keep all of these, but
      // in Material Symbols Icon variable fonts if we drop the GSUB table (they
      // do not have GPOS/DEF) then the Fill=1,Weight=100 variation is rendered
      // incorrect. (and other variations are probably less noticibly
      // incorrect))
      hb_set_add(hb_subset_input_set(input, HB_SUBSET_SETS_DROP_TABLE_TAG),
                 HB_TAG('G', 'S', 'U', 'B'));
      hb_set_add(hb_subset_input_set(input, HB_SUBSET_SETS_DROP_TABLE_TAG),
                 HB_TAG('G', 'P', 'O', 'S'));
      hb_set_add(hb_subset_input_set(input, HB_SUBSET_SETS_DROP_TABLE_TAG),
                 HB_TAG('G', 'D', 'E', 'F'));
    }
    return HarfbuzzWrappers::HbFacePtr(hb_subset_or_fail(face, input));
  }

References input().

Referenced by main().

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The documentation for this struct was generated from the following file:

• tools/font_subset/main.cc