ImageWriter : Removed unnecessary Data allocations.
ImageWriter : Removed unnecessary Data allocations.

It's more straightforward to call spec.attribute() directly.

goddardl/gaffer,ivanimanishi/gaffer,johnhaddon/gaffer,ivanimanishi/gaffer,GafferHQ/gaffer,ivanimanishi/gaffer,chippey/gaffer,boberfly/gaffer,andrewkaufman/gaffer,GafferHQ/gaffer,GafferHQ/gaffer,chippey/gaffer,chippey/gaffer,GafferHQ/gaffer,johnhaddon/gaffer,goddardl/gaffer,lucienfostier/gaffer,goddardl/gaffer,andrewkaufman/gaffer,johnhaddon/gaffer,ImageEngine/gaffer,johnhaddon/gaffer,lucienfostier/gaffer,hradec/gaffer,ImageEngine/gaffer,goddardl/gaffer,ivanimanishi/gaffer,lucienfostier/gaffer,andrewkaufman/gaffer,ImageEngine/gaffer,johnhaddon/gaffer,hradec/gaffer,ImageEngine/gaffer,hradec/gaffer,andrewkaufman/gaffer,appleseedhq/gaffer,boberfly/gaffer,appleseedhq/gaffer,andrewkaufman/gaffer,appleseedhq/gaffer,boberfly/gaffer,hradec/gaffer,boberfly/gaffer,lucienfostier/gaffer,appleseedhq/gaffer,chippey/gaffer,GafferHQ/gaffer,hradec/gaffer