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gpicorre.def
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1994-05-03
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4KB
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DEFINITION MODULE GPICORRELATION;
(************************************************************************
OS/2 2.0 interface for Presentation Manager
GPI Picking, Boundary and Correlation.
Copyright (c) 1992 by Juergen Neuhoff
*************************************************************************)
(*$XL+ Modula-2 language extensions: '_' allowed for symbol names *)
(*$CDECL+ C-style procedures *)
(*$A default alignment for record fields *)
FROM OS2DEF IMPORT HPS, POINTL, RECTL;
FROM GPIDEF IMPORT SIZEL;
CONST (* options for GpiSetPickApertureSize *)
PICKAP_DEFAULT = 0;
PICKAP_REC = 2;
CONST (* type of correlation for GpiCorrelateChain *)
PICKSEL_VISIBLE = 0;
PICKSEL_ALL = 1;
CONST (* return code to indicate correlate hit(s) *)
GPI_HITS = 2;
(*** picking, correlation and boundary functions *)
PROCEDURE GpiCorrelateChain
( PresSpaceHandle : HPS;
Type : LONGINT;
VAR PickPos : POINTL;
MaxHits : LONGINT;
MaxDepth : LONGINT;
VAR SegTag : ARRAY OF LONGINT
) : LONGINT;
PROCEDURE GpiQueryTag
( PresSpaceHandle : HPS;
VAR Tag : LONGINT
) : BOOLEAN;
PROCEDURE GpiSetTag
( PresSpaceHandle : HPS;
Tag : LONGINT
) : BOOLEAN;
PROCEDURE GpiQueryPickApertureSize
( PresSpaceHandle : HPS;
VAR Size : SIZEL
) : BOOLEAN;
PROCEDURE GpiSetPickApertureSize
( PresSpaceHandle : HPS;
Options : LONGINT;
VAR Size : SIZEL
) : BOOLEAN;
PROCEDURE GpiQueryPickAperturePosition
( PresSpaceHandle : HPS;
VAR Point : POINTL
) : BOOLEAN;
PROCEDURE GpiSetPickAperturePosition
( PresSpaceHandle : HPS;
VAR Point : POINTL
) : BOOLEAN;
PROCEDURE GpiQueryBoundaryData
( PresSpaceHandle : HPS;
VAR Boundary : RECTL
) : BOOLEAN;
PROCEDURE GpiResetBoundaryData
( PresSpaceHandle : HPS
) : BOOLEAN;
PROCEDURE GpiCorrelateFrom
( PresSpaceHandle : HPS;
FirstSegment : LONGINT;
LastSegment : LONGINT;
Type : LONGINT;
VAR PickPos : POINTL;
MaxHit : LONGINT;
MaxDepth : LONGINT;
VAR SegTag : ARRAY OF LONGINT
) : LONGINT;
PROCEDURE GpiCorrelateSegment
( PresSpaceHandle : HPS;
Segment : LONGINT;
Type : LONGINT;
VAR PickPos : POINTL;
MaxHit : LONGINT;
MaxDepth : LONGINT;
VAR SegTag : ARRAY OF LONGINT
) : LONGINT;
END GPICORRELATION.