Function FindFirstExistingGlyph

tutorials/common/imgui/imgui_draw.cpp:3145–3151

}

static ImWchar FindFirstExistingGlyph(ImFont* font, const ImWchar* candidate_chars, int candidate_chars_count)
{
    for (int n = 0; n < candidate_chars_count; n++)
        if (font->FindGlyphNoFallback(candidate_chars[n]) != NULL)
            return candidate_chars[n];
    return (ImWchar)-1;
}

void ImFont::BuildLookupTable()
{