the text for the run
the number of bytes (not characters) in @text.
the analysis information return from [func@itemize]
PangoLogAttr array for @text
the byte index within @text
whether we should compute the result for the beginning (%FALSE) or end (%TRUE) of the character.
location to store result
1.50
Converts from character position to x position.
This variant of [method@Pango.GlyphString.index_to_x] additionally accepts a PangoLogAttr array. The grapheme boundary information in it can be used to disambiguate positioning inside some complex clusters.