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PixelGetAlpha

PixelGetAlpha -- returns the normalized alpha color value of the PixelWand

Description

float PixelGetAlpha( PixelWand pxl_wnd )

Returns the normalized alpha color value of the PixelWand. The returned value is in the range 0 <= alpha <= 1.


A description of each parameter follows:

pxl_wnd A PixelWand resource


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