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pset_back_int_style(3g)  —  Subroutines

Name

pset_back_int_style − Specifies the back interior style for drawing back-facing portions of area primitives. 

 
Operating States: PHOP, ∗, STOP, ∗
PHIGS PLUS function
Creates a structure element

Syntax

void pset_back_int_style (
  Pint_style    style   /∗ (I) Back interior style ∗/
)

Data Structures

typedef enum {
    PSTYLE_HOLLOW,     /∗ hollow interior ∗/
    PSTYLE_SOLID,      /∗ solid interior ∗/
    PSTYLE_PAT,        /∗ patterned interior ∗/
    PSTYLE_HATCH,      /∗ hatched interior ∗/
    PSTYLE_EMPTY       /∗ empty interior ∗/
} Pint_style;

Description

pset_back_int_style specifies the back interior style that Digital PHIGS uses to draw back-facing portions of area primitives.  Depending on the edit mode, this function either inserts the new structure element directly after the pointer or replaces the element indicated by the pointer. The pointer then points to the new set back interior style element. 

  The following back interior styles determine the style in which Digital PHIGS fills the interior or back-facing area-defining primitives:

Style          Method
-------------------------------------------------------------------------
HOLLOW         Draws the boundary using the colors resulting from
               the rendering pipeline. Does not fill. Line width and
               line type are implementation-dependent.
SOLID          Fills the interior using the colors resulting from the
               rendering pipeline.
PATTERN        Fills the interior using the colors resulting from the
               rendering pipeline. Uses the current back interior
               style index (sometimes referred to as the pattern
               index in this context) to select a pattern from the
               pattern table. This value must be greater than 0.
HATCH          Fills the interior using the colors resulting from the
               rendering pipeline. Uses the current back interior
               style index (sometimes referred to as the pattern
               index in this context) to select a hatch from the
               hatch table. This value must be greater than 0.
EMPTY          Area-defining primitives using this value are visible
               only if the edge flag is set to ON. Does not fill.
-------------------------------------------------------------------------

If Digital PHIGS is in immediate mode, it performs this function immediately, but the function does not create a structure element. 

See Also

pinq_int_facs_plus
pset_back_int_style_ind
pset_facet_disting_mode
pset_indiv_asf
pset_int_rep_plus
pset_int_style

Typewritten Software • bear@typewritten.org • Edmonds, WA 98026