pinq_pred_line_rep_plus(3g) — Subroutines
Name
pinq_pred_line_rep_plus − Returns information about the extended polyline representation.
Operating States: PHOP, ∗, ∗, ∗
PHIGS PLUS function
Syntax
void pinq_pred_line_rep_plus (
Pint wstype, /∗ (I) Workstation type ∗/
Pint index, /∗ (I) Polyline index ∗/
Pint ∗error_ind, /∗ (O) Error indicator ∗/
Pline_bundle_plus ∗rep /∗ (O) Extended predefined polyline
representation ∗/
)
Data Structures
typedef struct {
Pint type; /∗ line type ∗/
Pfloat width; /∗ line width scale factor ∗/
Pgcolr colr; /∗ polyline color ∗/
Pint shad_method; /∗ polyline shading method ∗/
Pcurve_approx_crit approx_crit; /∗ curve approximation criteria ∗/
} Pline_bundle_plus;
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;
typedef struct {
Pint type; /∗ curve approximation criteria type ∗/
union Pcurve_approx_crit_data {
struct Pcurve_approx_const_param_subd {
Pint count; /∗ count ∗/
} const_param_subd;
struct Pcurve_approx_chordal_size_wc {
Pfloat approx; /∗ approximation value ∗/
} chordal_size_wc;
struct Pcurve_approx_chordal_size_npc {
Pfloat approx; /∗ approximation value ∗/
} chordal_size_npc;
struct Pcurve_approx_chordal_size_dc {
Pfloat approx; /∗ approximation value ∗/
} chordal_size_dc;
struct Pcurve_approx_chordal_dev_wc {
Pfloat approx; /∗ approximation value ∗/
} chordal_dev_wc;
struct Pcurve_approx_chordal_dev_npc {
Pfloat approx; /∗ approximation value ∗/
} chordal_dev_npc;
struct Pcurve_approx_chordal_dev_dc {
Pfloat approx; /∗ approximation value ∗/
} chordal_dev_dc;
struct Pcurve_approx_rel_wc {
Pfloat approx; /∗ approximation value ∗/
} rel_wc;
struct Pcurve_approx_rel_npc {
Pfloat approx; /∗ approximation value ∗/
} rel_npc;
struct Pcurve_approx_rel_dc {
Pfloat approx; /∗ approximation value ∗/
} rel_dc;
Pdata unsupp; /∗ unsupported curve approximation
criteria data ∗/
} data;
} Pcurve_approx_crit;
Constants
Data Structure Constants Constant Description
---------------------------------------------------------------------------
Line types PLINE_SOLID Solid line
PLINE_DASH Dashed line
PLINE_DOT Dotted line
PLINE_DOTDASH Dashed-dotted line
PLINE_DASH_2_DOT Dash-2-dots line
PLINE_DASH_3_DOT Dash-3-dots line
PLINE_LONG_DASH Long dashed line
PLINE_LONG_SHORT_DAS Long-short dashed line
PLINE_SPACED_DASH Spaced dashed line
PLINE_SPACED_DOT Spaced dotted line
PLINE_DOUBLE_DOT Double-dotted line
PLINE_TRIPLE_DOT Triple-dotted line
PLINE_CENTER Long line, dash, long
line
PLINE_PHANTOM Long line, two dashes,
long line
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 Internatio-
nale de l’Eclairage
PCOLR_HSV Direct specification of
hue, saturation, and
value
PCOLR_HLS Direct specification of
hue, lightness, and
saturation
Line shading methods PLINE_SHAD_METHOD_ No interpolation,
NONE constant shading
PLINE_SHAD_METHOD_ Linear interpolation of
COLR color
Curve approximation PCURVE_APPROX_WS_DEP Workstation-dependent
types method
PCURVE_APPROX_CONST_ Constant parametric
PARAM_SUBD subdivision between
knots
PCURVE_APPROX_CHORDAL_ Chordal size, in world
SIZE_WC coordinate units
PCURVE_APPROX_CHORDAL_ Chordal size, in
SIZE_NPC normalized projection
units
PCURVE_APPROX_CHORDAL_ Chordal size, in
SIZE_DC device coordinate
units
PCURVE_APPROX_CHORDAL_ Chordal deviation, in
DEV_WC world coordinates
PCURVE_APPROX_CHORDAL_ Chordal deviation, in
DEV_NPC normalized projection
coordinates
PCURVE_APPROX_CHORDAL_ Chordal deviation, in
DEV_DC device coordinates
PCURVE_APPROX_REL_WC Relative, in world
coordinate units
PCURVE_APPROX_REL_NPC Relative, in normal-
ized projection
coordinates
PCURVE_APPROX_REL_DC Relative, in device
coordinate units
---------------------------------------------------------------------------
Description
pinq_pred_line_rep_plus returns values for the following:
•Polyline type
•Line width scale factor
•Color type and value
•Shading method
•Curve approximation type and value
See Also
pinq_line_facs
pinq_line_facs_plus
pinq_line_rep
pinq_line_rep_plus
pinq_pred_line_rep
pset_line_ind
pset_line_rep
pset_line_rep_plus