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gpisegme.def
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1994-05-03
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5KB
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DEFINITION MODULE GPISEGMENTS;
(************************************************************************
OS/2 2.0 interface for Presentation Manager
GPI Segment Control and Drawing.
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 *)
IMPORT SYSTEM;
FROM OS2DEF IMPORT HPS;
CONST (* data formats for GpiPutData and GpiGetData *)
DFORM_NOCONV = 0;
DFORM_S370SHORT = 1;
DFORM_PCSHORT = 2;
DFORM_PCLONG = 4;
CONST (* segment attributes used by GpiSet/QuerySegmentAttrs and others *)
ATTR_ERROR = -1;
ATTR_DETECTABLE = 1;
ATTR_VISIBLE = 2;
ATTR_CHAINED = 6;
ATTR_DYNAMIC = 8;
ATTR_FASTCHAIN = 9;
ATTR_PROP_DETECTABLE = 10;
ATTR_PROP_VISIBLE = 11;
CONST (* attribute on/off values *)
ATTR_OFF = 0;
ATTR_ON = 1;
CONST (* segment priority used by GpiSetSegmentPriority and others *)
LOWER_PRI = -1;
HIGHER_PRI = 1;
(*** segment control functions *)
PROCEDURE GpiOpenSegment
( PresSpaceHandle : HPS;
Segment : LONGINT
) : BOOLEAN;
PROCEDURE GpiCloseSegment
( PresSpaceHandle : HPS
) : BOOLEAN;
PROCEDURE GpiDeleteSegment
( PresSpaceHandle : HPS;
SegId : LONGINT
) : BOOLEAN;
PROCEDURE GpiQueryInitialSegmentAttrs
( PresSpaceHandle : HPS;
Attribute : LONGINT
) : LONGINT;
PROCEDURE GpiSetInitialSegmentAttrs
( PresSpaceHandle : HPS;
Attribute : LONGINT;
Value : LONGINT
) : BOOLEAN;
PROCEDURE GpiQuerySegmentAttrs
( PresSpaceHandle : HPS;
SegId : LONGINT;
Attribute : LONGINT
) : LONGINT;
PROCEDURE GpiSetSegmentAttrs
( PresSpaceHandle : HPS;
SegId : LONGINT;
Attribute : LONGINT;
Value : LONGINT
) : BOOLEAN;
PROCEDURE GpiQuerySegmentPriority
( PresSpaceHandle : HPS;
RefSegId : LONGINT;
Order : LONGINT
) : LONGINT;
PROCEDURE GpiSetSegmentPriority
( PresSpaceHandle : HPS;
SegId : LONGINT;
RefSegId : LONGINT;
Order : LONGINT
) : BOOLEAN;
PROCEDURE GpiDeleteSegments
( PresSpaceHandle : HPS;
FirstSegment : LONGINT;
LastSegment : LONGINT
) : BOOLEAN;
PROCEDURE GpiQuerySegmentNames
( PresSpaceHandle : HPS;
FirstSegId : LONGINT;
LastSegId : LONGINT;
Max : LONGINT;
VAR SegIds : ARRAY OF LONGINT
) : LONGINT;
(*** draw functions for segments *)
PROCEDURE GpiGetData
( PresSpaceHandle : HPS;
SegId : LONGINT;
VAR Offset : LONGINT;
Format : LONGINT;
Length : LONGINT;
VAR Data : ARRAY OF SYSTEM.BYTE
) : LONGINT;
PROCEDURE GpiPutData
( PresSpaceHandle : HPS;
Format : LONGINT;
VAR Length : LONGINT;
VAR Data : ARRAY OF SYSTEM.BYTE
) : LONGINT;
PROCEDURE GpiDrawChain
( PresSpaceHandle : HPS
) : BOOLEAN;
PROCEDURE GpiDrawFrom
( PresSpaceHandle : HPS;
FirstSegment : LONGINT;
LastSegment : LONGINT
) : BOOLEAN;
PROCEDURE GpiDrawSegment
( PresSpaceHandle : HPS;
Segment : LONGINT
) : BOOLEAN;
PROCEDURE GpiDrawDynamics
( PresSpaceHandle : HPS
) : BOOLEAN;
PROCEDURE GpiRemoveDynamics
( PresSpaceHandle : HPS;
FirstSegId : LONGINT;
LastSegId : LONGINT
) : BOOLEAN;
END GPISEGMENTS.