Manual do PHP
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# swf_viewport

(PHP 4 )

swf_viewport -- Select an area for future drawing

## Description

void swf_viewport ( float xmin, float xmax, float ymin, float ymax)

The swf_viewport() function selects an area for future drawing for xmin to xmax and ymin to ymax, if this function is not called the area defaults to the size of the screen.

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