[Font] Implement get_char_from_glyph_index function.
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@ -3082,6 +3082,37 @@ int64_t TextServerAdvanced::_font_get_glyph_index(const RID &p_font_rid, int64_t
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#endif
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}
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int64_t TextServerAdvanced::_font_get_char_from_glyph_index(const RID &p_font_rid, int64_t p_size, int64_t p_glyph_index) const {
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FontAdvanced *fd = font_owner.get_or_null(p_font_rid);
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ERR_FAIL_COND_V(!fd, 0);
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MutexLock lock(fd->mutex);
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Vector2i size = _get_size(fd, p_size);
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ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), 0);
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#ifdef MODULE_FREETYPE_ENABLED
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if (fd->cache[size]->inv_glyph_map.is_empty()) {
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FT_Face face = fd->cache[size]->face;
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FT_UInt gindex;
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FT_ULong charcode = FT_Get_First_Char(face, &gindex);
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while (gindex != 0) {
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if (charcode != 0) {
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fd->cache[size]->inv_glyph_map[gindex] = charcode;
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}
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charcode = FT_Get_Next_Char(face, charcode, &gindex);
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}
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}
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if (fd->cache[size]->inv_glyph_map.has(p_glyph_index)) {
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return fd->cache[size]->inv_glyph_map[p_glyph_index];
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} else {
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return 0;
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}
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#else
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return p_glyph_index;
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#endif
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}
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bool TextServerAdvanced::_font_has_char(const RID &p_font_rid, int64_t p_char) const {
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FontAdvanced *fd = font_owner.get_or_null(p_font_rid);
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ERR_FAIL_COND_V_MSG((p_char >= 0xd800 && p_char <= 0xdfff) || (p_char > 0x10ffff), false, "Unicode parsing error: Invalid unicode codepoint " + String::num_int64(p_char, 16) + ".");
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