ImagerScanConverterPrivate: CEDAR DEFINITIONS ~ BEGIN DevicePathRep: TYPE ~ RECORD [ scanLineCrossings: INT, sMin, sMax, fMin, fMax: INTEGER, pointTable: PointTable, bucketTable: BucketTable, segmentList: LIST OF SegmentRep, pieceList: LIST OF PieceRep, scratchSegmentList: LIST OF SegmentRep, scratchPieceList: LIST OF PieceRep ]; PointTable: TYPE ~ REF PointTableRec; PointTableRec: TYPE ~ RECORD [ SEQUENCE maxLength: NAT OF Point ]; Point: TYPE ~ MACHINE DEPENDENT RECORD [ fRel: NAT, -- relative to devicePath.fMin direction: Direction ]; Direction: TYPE ~ {increasing, decreasing}; BucketTable: TYPE ~ REF BucketTableRec; BucketTableRec: TYPE ~ RECORD [length: NAT, seq: SEQUENCE maxLength: NAT OF INTEGER]; SegmentRep: TYPE ~ RECORD [ sFirstScan: INTEGER, -- sFirstScan + 1/2 defines the first scan line that crosses this segment. direction: Direction, scanCount: NAT, -- number of scan lines that cross this segment. s0, f0, s1, f1: REAL ]; PieceRep: TYPE ~ RECORD [ sOrg, fOrg: INTEGER, -- in device units sScale: CARDINAL, sOffset: CARDINAL, sFirstScan: INTEGER, -- sFirstScan + 1/2 defines the first scan line that crosses this piece. scanCount: CARDINAL, -- number of scan lines that cross this piece. direction: Direction, iterationsUntilFlat: NAT, f0: CARDINAL, s1, f1: CARDINAL, s2, f2: CARDINAL, s3, f3: CARDINAL ]; END. bImagerScanConverterPrivate.mesa Copyright c 1984, 1985 by Xerox Corporation. All rights reserved. Michael Plass, April 29, 1985 1:14:52 pm PDT Doug Wyatt, May 19, 1985 4:37:54 pm PDT 1 word long, ordered so it can be sorted like a cardinal In device coordinates, the coordinates of point i is (fi/fScale + 1/2 + fOrg, (si+sOffset)/sScale + sOrg) Κo˜codešœ™Kšœ Οmœ7™BK™,K™'—K˜KšΠblœΟkœŸ ˜-KšœŸ˜K˜šœŸœŸœ˜KšœŸœ˜KšœŸœ˜ Kšœ˜Kšœ˜Kšœ ŸœŸœ ˜ Kšœ ŸœŸœ ˜KšœŸœŸœ ˜'KšœŸœŸœ ˜"K˜K˜—Kšœ ŸœŸœ˜%šœŸœŸœ˜KšŸœ ŸœŸœ˜ K˜K˜—š œŸœŸœŸ œŸœ˜(K™8KšœŸœΟc˜)Kšœ˜K˜K˜—šœ Ÿœ˜+K˜—šœ ŸœŸœ˜'K˜—šœŸœŸœ ŸœŸœ ŸœŸœŸœ˜UK˜—šœ ŸœŸœ˜Kšœ Ÿœ J˜_Kšœ˜Kšœ Ÿœ 0˜@KšœŸ˜K˜K˜—šœ ŸœŸœ˜Kšœ Ÿœ ˜'KšœŸœ˜Kšœ Ÿœ˜Kšœ Ÿœ H˜]Kšœ Ÿœ .˜CKšœ˜KšœŸœ˜KšœŸœ˜ KšœŸœ˜KšœŸœ˜šœŸ˜šœ4™4Kšœ4™4——K˜K˜—K˜KšŸœ˜—…—F