[Overview][Resource strings][Constants][Types][Procedures and functions][Index]

Reference for unit 'unicodedata' (#rtl)

FromUCS4

Convert UCS4 to UNicodeChar

Declaration

Source position: unicodedata.pas line 357

procedure FromUCS4(

const AValue: UCS4Char;

var AHighS: UnicodeChar;

var ALowS: UnicodeChar

);

`AValue`		UCS4 encoded unicode character
`AHighS`		High character of surrogate pair
`ALowS`		Low character of surrogate pair

FromUCS4 converts the UCS4 encoded unicode character AValue to a set of unicode (surrogate pair) characters encoded in UTF16: AHighS, ALowS.

ToUCS4		Encode unicode UTF16 surrogate pair to UCS4 character
UnicodeIsHighSurrogate		Check if a UTF16 character is the high character in a surrogate pair.
UnicodeIsLowSurrogate		Check if a UTF16 character is the low character in a surrogate pair.
UnicodeIsSurrogatePair		Check if a pair of UTF16 encoded characters is a valid surrogate pair.