swf_viewport
(PHP 4)
swf_viewport — Select an area for future drawing
Description
void swf_viewport
( double $xmin
, double $xmax
, double $ymin
, double $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.