diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-ot-os2-table.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-ot-os2-table.hh | 69 |
1 files changed, 47 insertions, 22 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-os2-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-os2-table.hh index 5b017d56a6..97d18b9d75 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-os2-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-os2-table.hh @@ -30,6 +30,7 @@ #include "hb-open-type.hh" #include "hb-ot-os2-unicode-ranges.hh" +#include "hb-ot-var-mvar-table.hh" #include "hb-set.hh" @@ -62,6 +63,7 @@ struct OS2V2Tail bool has_data () const { return sxHeight || sCapHeight; } const OS2V2Tail * operator -> () const { return this; } + OS2V2Tail * operator -> () { return this; } bool sanitize (hb_sanitize_context_t *c) const { @@ -213,20 +215,51 @@ struct OS2 OS2 *os2_prime = c->serializer->embed (this); if (unlikely (!os2_prime)) return_trace (false); - if (c->plan->user_axes_location->has (HB_TAG ('w','g','h','t')) && +#ifndef HB_NO_VAR + if (c->plan->normalized_coords) + { + auto &MVAR = *c->plan->source->table.MVAR; + auto *table = os2_prime; + + HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER, sTypoAscender); + HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_HORIZONTAL_DESCENDER, sTypoDescender); + HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_HORIZONTAL_LINE_GAP, sTypoLineGap); + HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_HORIZONTAL_CLIPPING_ASCENT, usWinAscent); + HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_HORIZONTAL_CLIPPING_DESCENT, usWinDescent); + HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_SUBSCRIPT_EM_X_SIZE, ySubscriptXSize); + HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_SUBSCRIPT_EM_Y_SIZE, ySubscriptYSize); + HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_SUBSCRIPT_EM_X_OFFSET, ySubscriptXOffset); + HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_SUBSCRIPT_EM_Y_OFFSET, ySubscriptYOffset); + HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_SUPERSCRIPT_EM_X_SIZE, ySuperscriptXSize); + HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_SUPERSCRIPT_EM_Y_SIZE, ySuperscriptYSize); + HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_SUPERSCRIPT_EM_X_OFFSET, ySuperscriptXOffset); + HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_SUPERSCRIPT_EM_Y_OFFSET, ySuperscriptYOffset); + HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_STRIKEOUT_SIZE, yStrikeoutSize); + HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_STRIKEOUT_OFFSET, yStrikeoutPosition); + + if (os2_prime->version >= 2) + { + auto *table = & const_cast<OS2V2Tail &> (os2_prime->v2 ()); + HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_X_HEIGHT, sxHeight); + HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_CAP_HEIGHT, sCapHeight); + } + } +#endif + + if (c->plan->user_axes_location.has (HB_TAG ('w','g','h','t')) && !c->plan->pinned_at_default) { - float weight_class = c->plan->user_axes_location->get (HB_TAG ('w','g','h','t')); + float weight_class = c->plan->user_axes_location.get (HB_TAG ('w','g','h','t')); if (!c->serializer->check_assign (os2_prime->usWeightClass, roundf (hb_clamp (weight_class, 1.0f, 1000.0f)), HB_SERIALIZE_ERROR_INT_OVERFLOW)) return_trace (false); } - if (c->plan->user_axes_location->has (HB_TAG ('w','d','t','h')) && + if (c->plan->user_axes_location.has (HB_TAG ('w','d','t','h')) && !c->plan->pinned_at_default) { - float width = c->plan->user_axes_location->get (HB_TAG ('w','d','t','h')); + float width = c->plan->user_axes_location.get (HB_TAG ('w','d','t','h')); if (!c->serializer->check_assign (os2_prime->usWidthClass, roundf (map_wdth_to_widthclass (width)), HB_SERIALIZE_ERROR_INT_OVERFLOW)) @@ -236,14 +269,10 @@ struct OS2 if (c->plan->flags & HB_SUBSET_FLAGS_NO_PRUNE_UNICODE_RANGES) return_trace (true); - /* when --gids option is not used, no need to do collect_mapping that is - * iterating all codepoints in each subtable, which is not efficient */ - uint16_t min_cp, max_cp; - find_min_and_max_codepoint (c->plan->unicodes, &min_cp, &max_cp); - os2_prime->usFirstCharIndex = min_cp; - os2_prime->usLastCharIndex = max_cp; + os2_prime->usFirstCharIndex = hb_min (0xFFFFu, c->plan->unicodes.get_min ()); + os2_prime->usLastCharIndex = hb_min (0xFFFFu, c->plan->unicodes.get_max ()); - _update_unicode_ranges (c->plan->unicodes, os2_prime->ulUnicodeRange); + _update_unicode_ranges (&c->plan->unicodes, os2_prime->ulUnicodeRange); return_trace (true); } @@ -251,12 +280,16 @@ struct OS2 void _update_unicode_ranges (const hb_set_t *codepoints, HBUINT32 ulUnicodeRange[4]) const { - HBUINT32 newBits[4]; + HBUINT32 newBits[4]; for (unsigned int i = 0; i < 4; i++) newBits[i] = 0; - hb_codepoint_t cp = HB_SET_VALUE_INVALID; - while (codepoints->next (&cp)) { + /* This block doesn't show up in profiles. If it ever did, + * we can rewrite it to iterate over OS/2 ranges and use + * set iteration to check if the range matches. */ + for (hb_codepoint_t cp = HB_SET_VALUE_INVALID; + codepoints->next (&cp);) + { unsigned int bit = _hb_ot_os2_get_unicode_range_bit (cp); if (bit < 128) { @@ -278,14 +311,6 @@ struct OS2 ulUnicodeRange[i] = ulUnicodeRange[i] & newBits[i]; // set bits only if set in the original } - static void find_min_and_max_codepoint (const hb_set_t *codepoints, - uint16_t *min_cp, /* OUT */ - uint16_t *max_cp /* OUT */) - { - *min_cp = hb_min (0xFFFFu, codepoints->get_min ()); - *max_cp = hb_min (0xFFFFu, codepoints->get_max ()); - } - /* https://github.com/Microsoft/Font-Validator/blob/520aaae/OTFontFileVal/val_OS2.cs#L644-L681 * https://docs.microsoft.com/en-us/typography/legacy/legacy_arabic_fonts */ enum font_page_t |