ocr: Source e pixel map Pixel depth Rectangle Convert depth I Stretch Destination or sh hrink pixel map - 1 Pixel depth rgbF - gColor and Rectangle rgbBkColor Colorize) Image data from current grafPort (thePort) Mask Com bine pixel map using mask Image data visR gn and Clip current clipRgnfrom grafPort thePortl Transfer gdiTable and gdSearchPr OC from Device current graphics color device (theGDevicel Resulting pixel map