DIRECTORYImagerBasic	USING [Path, IntRectangle, IntVec, PixelArray],Imager			USING [Context];ImagerInteractiveImpl: CEDAR PROGRAMIMPORTS EXPORTS Imager= BEGIN OPEN ImagerBasic;HiliteArea: PUBLIC PROC [context: Context, area: Path] = {};		-- Invert on LF, device dependentHiliteIntRectangle: PUBLIC PROC [context: Context, area: IntRectangle] = {};MoveIntRectangle: PUBLIC PROC [context: Context, source: IntRectangle, destination: IntVec] = {};GetPixelArray: PUBLIC PROC [context: Context, source: IntRectangle, image: PixelArray _ NIL] RETURNS [PixelArray] = {RETURN [ context.deviceProcs.getPxls[source] ];}; PutPixelArray: PUBLIC PROC [context: Context, destination: IntRectangle, image: PixelArray] = {};StartDoubleBuffering: PUBLIC PROC [context: Context] = {pxls: PixelArray;pxls _ context.deviceProcs.openPixelBuffer[];};StopDoubleBuffering: PUBLIC PROC [context: Context] = {context.deviceProcs.closePixelBuffer[];};END.  ž  ImagerInteractiveImpl.mesaLast Edited by: Crow, June 18, 1983 10:58 amClient-called ProceduresThese operations may not work on all devices, will no-op on noninteractive devices.General TrackFast TrackClient's way to use BitBltThese use uninterpreted Pixel Arrays, clip to rectangle.  Handy for rubber-stamping, etc.)Maintain shadow pixel array on the side for building images, use with "NewFrame". ÊK  ˜ Ihead™˜ J™-šÏk	˜	Jšœœ*˜;Jšœœ˜——šœ˜$Jšœ˜Jšœ˜J˜ Jšœœœ˜—šœ™™SIunitšÏi™—šÏn
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