pinq_pred_int_rep_plus(3g) — Subroutines

Name

pinq_pred_int_rep_plus − Returns information about the extended interior representation.

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

Syntax

void pinq_pred_int_rep_plus (
Pint                wstype,     /∗ (I) Workstation type ∗/
Pint                index,      /∗ (I) Predefined interior index ∗/
Pint               ∗error_ind, /∗ (O) Error indicator ∗/
Pint_bundle_plus   ∗rep         /∗ (O) Extended interior
                                         representation ∗/
)

Data Structures

typedef struct {
    Pint_style style;          /∗ interior style ∗/
    Pint        style_ind;      /∗ interior style index ∗/
    Pgcolr      colr;           /∗ interior color ∗/
    Pint        shad_method;    /∗ shading method ∗/
} Pint_bundle_plus;
    typedef enum {
        PSTYLE_HOLLOW,    /∗ hollow interior ∗/
        PSTYLE_SOLID,     /∗ solid interior ∗/
        PSTYLE_PAT,       /∗ patterned interior ∗/
        PSTYLE_HATCH,     /∗ hatched interior ∗/
        PSTYLE_EMPTY      /∗ empty interior ∗/
    } Pint_style;
    typedef struct {
        Pint     colr_type;   /∗ color type ∗/
        Pcolrv   colr_value; /∗ color value ∗/
    } Pgcolr;
        typedef union {
            Pint         colr_ind;    /∗ color index ∗/
            Pcolr_rep    colr_rep;    /∗ color representation ∗/
        } Pcolrv;
            typedef union {
                Prgb        rgb;       /∗ red, green, and blue color
                                          specification ∗/
                Pcieluv     cieluv;    /∗ CIELUV color specification ∗/
                Phls        hls;       /∗ hue, lightness, and saturation
                                          color specification ∗/
                Phsv        hsv;       /∗ hue, saturation, and value color
                                          specification ∗/
                Pdata       unsupp;    /∗ color in an unsupported color
                                          model ∗/
                int         impl_dep; /∗ implementation-defined ∗/
            } Pcolr_rep;
                typedef struct {
                    Pfloat    red;     /∗ red intensity ∗/
                    Pfloat    green;   /∗ green intensity ∗/
                    Pfloat    blue;    /∗ blue intensity ∗/
                } Prgb;
                typedef struct {
                    Pfloat    cieluv_x;      /∗ x coefficient ∗/
                    Pfloat    cieluv_y;      /∗ y coefficient ∗/
                    Pfloat    cieluv_y_lum; /∗ y luminance ∗/
                } Pcieluv;
                typedef struct {
                    Pfloat    hue;         /∗ hue ∗/
                    Pfloat    lightness;   /∗ lightness ∗/
                    Pfloat    satur;       /∗ saturation ∗/
                } Phls;
                typedef struct {
                    Pfloat    hue;      /∗ hue ∗/
                    Pfloat    satur;    /∗ saturation ∗/
                    Pfloat    value;    /∗ value ∗/
                } Phsv;
                typedef struct {
                    size_t    size;     /∗ size of data ∗/
                    void     ∗data;     /∗ pointer to the data ∗/
                } Pdata;

Constants

Data Structure Constants    Constant                     Description
---------------------------------------------------------------------------
Color types                 PCOLR_INDIRECT               Indirect (indexed)
                                                         color
                            PCOLR_RGB                    Direct specifica-
                                                         tion of red,
                                                         green, and blue
                            PCOLR_CIELUV                 Direct specifica-
                                                         tion in the format
                                                         of the Commission
                                                         Internationale de
                                                         l’Eclairage
                            PCOLR_HSV                    Direct specifica-
                                                         tion of hue,
                                                         saturation, and
                                                         value
                            PCOLR_HLS                    Direct specifica-
                                                         tion of hue,
                                                         lightness, and
                                                         saturation
Shading methods             PINT_SHAD_METHOD_NONE        No interpolation,
                                                         constant shading
                            PINT_SHAD_METHOD_COLR        Linear interpola-
                                                         tion of color
                            PINT_SHAD_METHOD_DATA        Interpolation of
                                                         color for the WITH
                                                         DATA primitives
                            PINT_SHAD_METHOD_DATA_DOT    Interpolation of
                                                         color based on dot
                                                         products
                            PINT_SHAD_METHOD_DATA_NORM   Interpolation of
                                                         color based on
                                                         normals
---------------------------------------------------------------------------

Description

pinq_pred_int_rep_plus returns values for the following:

•Interior style

•Interior style index

•Color index

•Lighting method

•Shading method