SWF::Matrix - SWF matrix class
        use SWF::Matrix;
        $matrix = $displayItem->getMatrix();
        $scaleX = $matrix->getScaleX();
SWF::Matrix is a helper class useful for getting information
about a display items's matrix. There is no constructor method,
SWF::Matrix objects are available only thru SWF::DisplayItem's 
getMatrix() method. The methods below give you read access
to the six matrix elements.
getScaleX()
Returns X scale.
getScaleY()
Returns Y scale.
Returns rotation value 0.
Returns rotation value 1.
getTranslateX()
Returns X translation value.
getTranslateY()
Returns Y translation value.
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SWF, SWF::DisplayItem