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.. default-domain:: js
.. highlight:: javascript
TextWalker
==========
.. class:: TextWalker
An object implementing this interface of optional callback functions
can be used to get calls whenever `Text.prototype.walk()` iterates over a text object.
.. function:: beginSpan(font, trm, wmode, bidiLevel, markupDirection, language)
Called before every text span in the `Text` being walked.
:param Font font:
:param Matrix trm:
:param number wmode:
:param int bidiLevel:
:param int markupDirection:
:param string language:
.. function:: endSpan()
Called at the end of every span in the text.
.. function:: showGlyph(font, trm, gid, ucs, wmode, bidiLevel)
Called once per character for in a text span.
:param Font font:
:param Matrix trm:
:param number gid:
:param number ucs:
:param number wmode:
:param number bidiLevel:
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