UnicodeLowercase

Converts the specified Unicode (UTF-16) codepoint to its lowercase equivalent.

Declaration

Source position: lazutf16.pas line 58

Arguments

Function result

Cardinal value with the lowercase equivalent for u, or the value in u when conversion is not needed.

Description

UnicodeLowercase ensures the character (16-bit codepoint) is converted to lowercase using the case conversion logic for the UTF-16 encoding. Characters in the following Unicode blocks are handled:

$0041..$005A

Capital letters in the C0 Latin block

$00C0..$00DE

Capital letters in the C1 Latin-1 Supplement block

$0100..$024E

Capital letters in the Latin Extended-A block

$0386..$03AB

Capital letters in the Greek and Coptic block

$03D8..$042F

Archaic letters in the Greek and Coptic block

$0460..$0512

Historic letters in Cyrillic block

$0531..$0556

Capital letters in the Armenian block

$10A0..$10C5

Capital letters in the Georgian block

$1E00..$1FFC

Capital letters in the Latin Extended Additional block

$2126..$2183

Characters in the Letter-like Symbols block

$24B6..$24CF

Parenthesized Latin letters in the Enclosed Alphanumerics block

$2C00..$2C2E

Capital letters in the Glagolitic block (precursor of Cyrillic)

$2C60..$2CE2

Capital letters in the Latin Extended-C block

$FF21..$FF3A

ASCII variants in the Halfwidth and Fullwidth Forms block

Version info

Modified in LazUtils version 4.0 to dynamically initialize the character mapping tables once when either UnicodeLowercase or UTF8LowerCaseViaTables is called.