Re: Implement BIDI algorithm by line

From: Richard Wordingham <>
Date: Tue, 23 Aug 2011 19:07:35 +0100

On Tue, 23 Aug 2011 10:02:05 +0800
li bo <> wrote:

> ...But I don't know why user must take
> a paragraph as a unit to determine the embedding levels. Why can't i
> shape the text first and then wrapping the line, and determining the
> embedding levels for characters within a line. finally, reordering
> the characters within a line. If a paragraph is too long, i think
> it's a big memory occupied. This would be a limit in embedding
> system such as mobile phone.

There is one problem with processing the text line-by-line - W5 'ET ET
EN -> EN EN EN' and N1 can both require one to examine the last
character in the paragraph, however many lines away it be. Apart from
that, the process is just simpler to describe if one performs the
algorithm step by step.

Received on Tue Aug 23 2011 - 13:11:37 CDT

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