fribidi_get_par_embedding_levels man page on Alpinelinux

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fribidi_get_par_embedding_leveProgrammer's fribidi_get_par_embedding_levels(3)

NAME
       fribidi_get_par_embedding_levels - get bidi embedding levels of a para‐
       graph

SYNOPSIS
       #include <fribidi.h>

       FriBidiLevel fribidi_get_par_embedding_levels
       (
	    const FriBidiCharType *bidi_types,
	    const FriBidiStrIndex len,
	    FriBidiParType *pbase_dir,
	    FriBidiLevel *embedding_levels
       );

PARAMETERS
       const FriBidiCharType *bidi_types
	      Input    list    of    bidi     types	as     returned	    by
	      fribidi_get_bidi_types().

	      Possible values for a const FriBidiCharType are as follows:
	      FRIBIDI_TYPE_LTR	Left-To-Right letter.
	      FRIBIDI_TYPE_RTL	Right-To-Left letter.
	      FRIBIDI_TYPE_AL	Arabic Letter.
	      FRIBIDI_TYPE_EN	European Numeral.
	      FRIBIDI_TYPE_AN	Arabic Numeral.
	      FRIBIDI_TYPE_ES	European number Separator.
	      FRIBIDI_TYPE_ET	European number Terminator.
	      FRIBIDI_TYPE_CS	Common Separator.
	      FRIBIDI_TYPE_NSM	Non Spacing Mark.
	      FRIBIDI_TYPE_BN	Boundary Neutral.
	      FRIBIDI_TYPE_BS	Block Separator.
	      FRIBIDI_TYPE_SS	Segment Separator.
	      FRIBIDI_TYPE_WS	WhiteSpace.
	      FRIBIDI_TYPE_ON	Other Neutral.
	      FRIBIDI_TYPE_LRE	Left-to-Right Embedding.
	      FRIBIDI_TYPE_RLE	Right-to-Left Embedding.
	      FRIBIDI_TYPE_LRO	Left-to-Right Override.
	      FRIBIDI_TYPE_RLO	Right-to-Left Override.
	      FRIBIDI_TYPE_PDF	Pop Directional Flag.

       const FriBidiStrIndex len
	      Input string length of the paragraph.

       FriBidiParType *pbase_dir
	      Requested and resolved paragraph base direction.

	      Possible values for a FriBidiParType are as follows:
	      FRIBIDI_PAR_LTR	Left-To-Right paragraph.
	      FRIBIDI_PAR_RTL	Right-To-Left paragraph.
	      FRIBIDI_PAR_ON	DirectiOn-Neutral paragraph.
	      FRIBIDI_PAR_WLTR	Weak Left To Right paragraph.
	      FRIBIDI_PAR_WRTL	Weak Right To Left paragraph.

       FriBidiLevel *embedding_levels
	      Output list of embedding levels.

DESCRIPTION
       This function finds the bidi embedding levels of a single paragraph, as
       defined	by  the	  Unicode   Bidirectional   Algorithm	available   at
       http://www.unicode.org/reports/tr9/.  This function implements rules P2
       to I1 inclusive, and parts 1 to 3 of L1, except for rule	 X9  which  is
       implemented  in	fribidi_remove_bidi_marks().   Part  4 of L1 is imple‐
       mented in fribidi_reorder_line().

       There are a few macros defined in  fribidi-bidi-types.h	to  work  with
       this embedding levels.

RETURNS
       Maximum	level  found  plus  one,  or zero if any error occured (memory
       allocation failure most probably).

SEE ALSO
       fribidi_charset_to_unicode(3),		fribidi_unicode_to_charset(3),
       fribidi_parse_charset(3),		      fribidi_shape_arabic(3),
       fribidi_get_par_direction(3),		      fribidi_reorder_line(3),
       fribidi_get_bidi_type(3),		    fribidi_get_bidi_types(3),
       fribidi_get_bidi_type_name(3), fribidi_debug_status(3), fribidi_mirror‐
       ing_status(3), fribidi_set_mirroring(3), fribidi_reorder_nsm_status(3),
       fribidi_set_reorder_nsm(3),    fribidi_log2vis_get_embedding_levels(3),
       fribidi_get_type(3),			 fribidi_get_type_internal(3),
       fribidi_remove_bidi_marks(3),   fribidi_log2vis(3),   fribidi_join_ara‐
       bic(3),	  fribidi_get_joining_type(3),	 fribidi_get_joining_types(3),
       fribidi_get_joining_type_name(3),	   fribidi_get_mirror_char(3),
       fribidi_shape_mirroring(3), fribidi_shape(3)

GNU FriBidi 0.19.5		29 January fribidi_get_par_embedding_levels(3)
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