Difference between revisions of "Utf8.width"
From GiderosMobile
| Line 6: | Line 6: | ||
(number) = utf8.width(s,ambi_is_double,default_width) | (number) = utf8.width(s,ambi_is_double,default_width) | ||
</source> | </source> | ||
| − | '''s''': (string) | + | === Parameters === |
| + | '''s''': (string) <br/> | ||
'''ambi_is_double''': (boolean) '''optional'''<br/> | '''ambi_is_double''': (boolean) '''optional'''<br/> | ||
'''default_width''': (number) '''optional'''<br/> | '''default_width''': (number) '''optional'''<br/> | ||
| + | === Return values === | ||
'''Returns''' (number) width<br/> | '''Returns''' (number) width<br/> | ||
Revision as of 11:45, 23 August 2018
Available since: Gideros 2016.06
Description
calculate the width of UTF-8 string s. if ambi_is_double is given, the ambiguous width character's width is 2, otherwise it's 1. fullwidth/doublewidth character's width is 2, and other character's width is 1. if default_width is given, it will be the width of unprintable character, used display a non-character mark for these characters. if s is a code point, return the width of this code point.
(number) = utf8.width(s,ambi_is_double,default_width)
Parameters
s: (string)
ambi_is_double: (boolean) optional
default_width: (number) optional
Return values
Returns (number) width
