ggi2dBlitOp

function ggi2dBlitOp(

  Visual: TGGIVisual;

  dx: SmallInt;

  dy: SmallInt;

  Src1: TGGI2dImage;

  s1x: SmallInt;

  s1y: SmallInt;

  Src2: TGGI2dImage;

  s2x: SmallInt;

  s2y: SmallInt;

  Width: SmallInt;

  Height: SmallInt;

  Oper: TGGI2DOperator

):Integer;