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Copies a rectangular area with variable transparency between the content of an ObjBitmap (destination) and that of an AlphaBitmap (source).

ObjBitmap _CPalphaBitmap ( ObjBitmap _dest_ I _destX_ I _destY_ AlphaBitmap _source_ I _sourceX_ I _sourceY_ I _width_ I _height_ )

_dest_
	the ObjBitmap which is the destination of the copy
_destX_
	the abscissa of the upper left point of the rectangle in the destination ObjBitmap
_destY_
	the ordinate of the upper left point of the rectangle in the destination ObjBitmap
_source_
	the AlphaBitmap which is the source of the copy
_sourceX_
	the abscissa of the upper left point of the rectangle in the source AlphaBitmap
_sourceY_
	the ordinate of the upper left point of the rectangle in the source AlphaBitmap
_width_
	the width of the rectangle to be copied
_height_
	the height of the rectangle to be copied

AlphaBitmap, _SCPalphaBitmap.