pinq_int_rep_plus(3g) — Subroutines

Name

pinq_int_rep_plus − Returns information on the extended interior representation.

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

Syntax

void pinq_int_rep_plus (
Pint               wsid,         /∗ (I) Workstation identifier ∗/
Pint               index,        /∗ (I) Interior index ∗/
Pinq_type          return_type, /∗ (I) Type of returned values ∗/
Pint              ∗error_ind,    /∗ (O) Error indicator ∗/
Pint_bundle_plus ∗rep           /∗ (O) Extended interior
                                          representation ∗/
)

Data Structures

typedef enum {
    PINQ_SET,        /∗ Use the exact state list values. ∗/
    PINQ_REALIZED    /∗ Use the values approximated by the graphics
                        handler. ∗/
} Pinq_type;
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               Constant           Description
Constants
---------------------------------------------------------------------------
Color types                  PCOLR_INDIRECT     Indirect (indexed) color
                             PCOLR_RGB          Direct specification of
                                                red, green, and blue
                             PCOLR_CIELUV       Direct specification in the
                                                format of the Commission
                                                Internationale de
                                                l’Eclairage
                             PCOLR_HSV          Direct specification of
                                                hue, saturation, and value
                             PCOLR_HLS          Direct specification of
                                                hue, lightness, and
                                                saturation
Shading methods              PINT_SHAD_METHOD_ No interpolation, constant
                             NONE               shading
                             PINT_SHAD_METHOD_ Linear interpolation of
                             COLR               color
                             PINT_SHAD_METHOD_ Interpolation of color for
                             DATA               the WITH DATA primitives
                             PINT_SHAD_METHOD_ Interpolation of color
                             DATA_DOT           based on dot products
                             PINT_SHAD_METHOD_ Interpolation of color
                             DATA_NORM          based on normals
---------------------------------------------------------------------------

Description

pinq_int_rep_plus returns information on the extended interior representation, including the front and back interior style indexes, the front and back colors, the front and back shading methods, the front and back lighting methods, and the front and back reflectance coefficients.