PQEDP(3g) — Subroutines

Name

PQEDP − Returns extended edge representation information.

Operating States: PHOP, WSOP, ∗, ∗
PHIGS PLUS function

Old Syntax

DQERP (WKID, EDI, TYPE, ERRIND, EFLAG, EDTYPE, EWIDTH, CLRTYP, ICOLR,
COLR)

Argument          Data Type      Access     Description
---------------------------------------------------------------------------
WKID              Integer        Read       Workstation identifier
EDI               Integer        Read       Edge index
TYPE              Integer        Read       Type of values to return
ERRIND            Integer        Write      Error indicator
EFLAG             Integer        Write      Edge flag
EDTYPE            Integer        Write      Edge type
EWIDTH            Real           Write      Edge width scale factor
CLRTYP            Integer        Write      Edge color type
ICOLR             Integer        Write      Indexed color value
COLR(3)           Array of       Write      Direct color value
                  reals
---------------------------------------------------------------------------

New Syntax

PQEDP (WKID, EDI, CCSBSZ, TYPE, ERRIND, EDFLAG, EDTYPE, EWIDTH,
CTYPE, COLI, NCC, COLR)

Argument          Data Type      Access     Description
---------------------------------------------------------------------------
WKID              Integer        Read       Workstation identifier
EDI               Integer        Read       Edge index
CCSBSZ            Integer        Read       Buffer size of the color
                                            component specification
TYPE              Integer        Read       Type of values to return
ERRIND            Integer        Write      Error indicator
EDFLAG            Integer        Write      Edge flag
EDTYPE            Integer        Write      Edge type
EWIDTH            Real           Write      Edge width scale factor
CTYPE             Integer        Write      Edge color type
COLI              Integer        Write      Color index
NCC               Integer        Write      Number of color value components
COLR(CCSBSZ)      Array of       Write      Color values
                  reals
---------------------------------------------------------------------------

Constants

Defined Argument     Constant       Description
---------------------------------------------------------------------------
TYPE                 PSET           Use the exact state list values.
                     PREALI         Use the values approximated by the
                                    graphics handler.
EDFLAG               PENO           Edges off.
                     PEVF           Edges on.
Edge types           PLSOLI         Solid edge.
                     PLDASH         Dashed edge.
                     PLDOT          Dotted edge.
                     PLDASD         Dashed-dotted edge.
                     PLDS2D         Dash-2-dots edge.
                     PLDS3D         Dash-3-dots edge.
                     PLLDS          Long dashed edge.
                     PLLSDS         Long-short dashed edge.
                     PLSPDS         Spaced dashed edge.
                     PLSPD          Spaced dotted edge.
                     PL2D           Double-dotted edge.
                     PL3D           Triple-dotted edge.
CTYPE                PINDIR         Indirect (indexed) color.
                     PRGB           Direct specification of red, green, and
                                    blue.
                     PCIE           Direct specification in the format of the
                                    Commission Internationale de l’Eclairage.
                     PHSV           Direct specification of hue, saturation,
                                    and value.
                     PHLS           Direct specification of hue, lightness,
                                    and saturation.
---------------------------------------------------------------------------

Description

PQEDP returns information about the extended edge representation, including the edge flag, edge type, edge width scale factor, and edge color.