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NX二次开发源码分享:动态画圆,指定屏幕点和向量相关用法2 J1 A7 Q3 ]8 K4 X- a- ?. Q& k- w
- g' j/ V$ z. a7 y
' j/ G! l/ ^' g% Q4 F, X. K这个案例很不错的,分享下,程序运行的结果是指定屏幕,拖拉即可动态绘制圆圈!3 V6 ]) L6 t4 G) I
& z! @. v9 f, F% ^8 y+ l$ Y
#include <stdio.h>
3 c- f5 G( I8 t2 P, T9 N#include <uf_defs.h># _& {( \' I* S2 f7 K
#include <uf.h>
+ I* r% s6 l0 c. V#include <uf_ui.h>
4 ]9 l, ^& q! J/ p#include <uf_csys.h>0 g* a7 B" G% p
#include <uf_vec.h>( a% P4 D7 S2 I- C4 ^5 w" j
#include <uf_disp.h>1 z' f2 h/ R+ H7 [8 y! H; S
#include <uf_curve.h>
6 b* { ?- S4 _8 A$ t; ^( U#include <uf_mtx.h>- O$ c% |- J/ `8 l; o' e
#include <uf_obj.h>
0 x$ B: s5 X6 u/ g6 Jtypedef struct
1 F, R+ N- h: \4 I { UF_CURVE_arc_t *arc;1 a4 w" v7 W- P9 U4 o
double abs_ctr[3];
G5 K2 r* ?' d double matrix[9];
- }. |# }! e8 [# j$ Z$ L double x_axis[3];* Z) E7 I' h" {
double y_axis[3];/ F+ D6 H5 ~) d$ y, e3 W2 e' A
} my_motion_data_t;9 U. }1 z1 a- p2 d6 x7 c( V
/* Define a motion callback to render a visual representation of
, o( e1 _) @) I; G$ U* V: r7 _' C9 @9 G * the circle to be created, along with a bounding box around the
- p: N9 Y2 ?! Y; E S5 {3 z * circle, an arc of radius 1.0, and a "rubberband" line from the
7 R- t. A: q; l0 M+ U& N* b. V * center to the cursor position.
$ N2 J, Q3 }0 W */
( S) F0 T6 d0 r6 a1 f# _9 ^static void motion_cb( double *screen_pos,% Z1 }, i' `4 a6 d
UF_UI_motion_cb_data_p_t motion_cb_data,
; o) t# [( {' E H* e my_motion_data_t *my_data )' j+ d# z2 x' f6 a
{0 n8 A u w% W+ c) I* B
double radius, pos_array[5][3];( A- ]- h3 x$ O# O* G
double xrad[3], yrad[3], x_y_vec[3], x_ny_vec[3];
% t5 g' g) C# m" { /* Calculate the arc radius: the distance from the arc center
2 _+ w# S4 u; z5 \ * to the current screen position.- c7 S7 ^, ~3 N1 Q
*/# o& O. O9 l' o0 x! V
UF_VEC3_distance( my_data->abs_ctr, screen_pos, &radius );# y; V9 |6 w2 Y. @
/* Map the arc center to the "csys of the arc".' ^" H) t& {# f+ M
*/
, M2 q+ x6 E* o: j9 r UF_MTX3_vec_multiply( my_data->abs_ctr,' b4 T! R1 y8 g4 `6 Q1 E2 [4 ~
my_data->matrix,% X; R v* v" h) z! \& Z
my_data->arc->arc_center );8 p4 i6 \# C }5 `" b
/* Draw a circle and an arc in the view of the cursor.
3 D# c4 H4 y) O8 f */- d! T2 i" H' L5 k, Y
UF_DISP_display_ogp_circle( motion_cb_data->view_tag,
0 `7 W* @4 L( H2 d+ }1 O my_data->matrix,
. o* B1 \' F. b& G9 y- T& k' X my_data->arc->arc_center,
4 e/ I9 w6 U" _$ K2 I: s9 F) T radius );
e6 n/ q' V& } p# W! j; I7 G$ s UF_DISP_display_ogp_arc( motion_cb_data->view_tag,
3 m/ ^" V& t0 b' N my_data->matrix," G- b! u! u) I7 @8 U
15.0*DEGRA, 345.0*DEGRA,) B0 h: I) k# h4 A, R
my_data->arc->arc_center,3 E% f4 O' e# Z7 _
1.0 );; U# ~3 k" W3 N, _3 m9 r4 f! g
/* Draw a bounding box around the circle.% n3 c! s, |. [; g' `1 z
*/* z/ M V4 a, ?
UF_VEC3_scale( radius, my_data->x_axis, xrad );
1 k3 a$ V( A1 t |- f UF_VEC3_scale( radius, my_data->y_axis, yrad );% a6 Q( j& R7 h+ @0 {
UF_VEC3_add( xrad, yrad, x_y_vec );1 s: {: ~; P2 m2 C' @- T2 a- d: c
UF_VEC3_sub( xrad, yrad, x_ny_vec );8 ^6 x9 m8 I/ B6 C) C8 I& W$ S% h
UF_VEC3_add( my_data->abs_ctr, x_y_vec, pos_array[0] );
6 t, l; O' g/ n) m! Y5 j. [ m UF_VEC3_sub( my_data->abs_ctr, x_ny_vec, pos_array[1] );
2 p; l2 T3 b" f: E UF_VEC3_sub( my_data->abs_ctr, x_y_vec, pos_array[2] );# V) M# c7 X4 g
UF_VEC3_add( my_data->abs_ctr, x_ny_vec, pos_array[3] );5 q# ]5 ?; W: W& G
UF_VEC3_add( my_data->abs_ctr, x_y_vec, pos_array[4] );# e) T5 X2 h& b( g4 H @ H" Q
UF_DISP_display_ogp_polyline( motion_cb_data->view_tag,
8 T0 h) Q% j$ d' N7 y* x* k pos_array, 5 );
' a/ H% X) X# i- W /* Draw a "rubberband" line from the circle center to the3 k6 Z z- Z2 F- L8 g
* cursor position.' z; b! b7 C7 t" t# `' |; T: s- b
*/" |+ Y, v% E: B
UF_DISP_display_ogp_line( motion_cb_data->view_tag,- a, i) ?$ {& w5 L8 w) B* [
my_data->abs_ctr,# O- a) {* F2 J" l3 f& S8 X
screen_pos );8 ] @- n, u) B2 u& `
}
" G& ? Z; H! S6 {0 e) G#define UF_CALL(X) (report( __FILE__, __LINE__, #X, (X)))6 s7 t4 q* M1 n" o& `! ?0 a f) X
static int report( char *file, int line, char *call, int irc)/ `! b" W& O" w! G
{$ x# O# y- w" Y5 E( x- R6 s- x9 f, [
if (irc)1 X( i7 R5 f4 C* L$ E1 W
{9 ?; `/ e0 I. o |# p
char messg[133];& m7 E% b- ~: Y; z" p. x( B
printf("%s, line %d: %s\n", file, line, call);
( V- R* V* t5 n; Z (UF_get_fail_message(irc, messg)) ?
7 \6 J: ]! [ i8 A; X( ~ printf(" returned a %d\n", irc) :- m# {1 p* U: R* f
printf(" returned error %d: %s\n", irc, messg);
9 M! l) h. `( P8 F* _/ t }
, G. u. F9 ~( X7 s8 w1 B1 {# ]1 V return(irc);
3 ?) Z! u' f3 Z6 M* H4 U3 e}& q+ m2 M8 C; p) M N O8 t9 F
static void do_UGopen_api(void)
+ S" A1 a# d$ L{8 X, t1 i+ R1 D& n4 h
int default_plane;
8 L n5 v/ b9 j) V4 O- e: L0 O& c; v int plane_resp, ctr_resp, pos_resp;! i) P4 _! O$ L* W: C
tag_t plane_tag, saved_wcs, mtx_id, csys_id,
2 ~' c9 r& V7 I' R6 K9 {) P3 I+ k, k arc_id, view_tag;5 p$ k2 k) Z, i5 o% |+ Y W/ m
double plane_matrix[9], plane_origin[3],! X) H' W! ~: \- S! t
x_vec[3], y_vec[3], arc_edge_pos[3];, r6 j: |+ j$ q2 b! y6 N0 g! j
double root_origin[3] = {0.0, 0.0, 0.0};
- E( |5 [8 a) L2 q double work_origin[3];
. j6 W# J! m% B( U UF_CURVE_arc_t arc;
8 D+ F9 z! Y2 Y& Y5 a! J9 \ my_motion_data_t my_data;! A1 i" T w" V2 n5 Z1 \% U+ Y
4 G) M$ V0 M# P% \2 N, P# Q2 p
my_data.arc = &arc;9 v1 s$ z7 d, \/ k) P
arc.start_angle = 0.0;
1 C: l& i& ]+ N' u. Z, S arc.end_angle = TWOPI; /* Create a full circle. */! P2 B% W2 u: ^. N
default_plane = 5; /* Default plane = WCS */
' P( _+ t* c. {2 U" F) ` a do) D% S9 V- e! Z4 F
{9 L- S6 g( c n. a, |" r3 c
/* Specify the plane on which the circle is to be created.
1 b* |1 Z6 B+ g */+ F- O- P+ O- p: A/ ^% y( x
UF_CALL(UF_UI_specify_plane(; {2 d& q' r. ?; g* p
"Specify plane for circle creation",
3 f- Z0 T; D% f; r* T &default_plane,
8 i3 |& H- L9 F4 l, H2 |7 c* M 1,0 y2 p8 A. `) r4 y5 [+ C
&plane_resp,
9 }# W$ I( e: M1 {2 F plane_matrix,
& _7 |+ q3 a! q1 \4 ~ B* ~ plane_origin,
/ \8 V0 p$ s) j% n/ l$ U &plane_tag ));
+ C/ {- F" c( U2 B2 N* n3 L if (plane_resp ==3)
' {2 Q$ F. [" P2 W {: ^+ J- I8 g9 w; @& A
/* Save the current WCS for future restoration.
) S& C) f" ~# j+ Z3 e" }4 ^ */5 V8 i7 m7 X& E
UF_CSYS_ask_wcs( &saved_wcs );6 j/ l) k w9 D& H2 {
/* Move the WCS to the specified plane. This is0 V6 a' O. f) T7 f; T" G4 |
* necessary because the position passed to the motion9 V+ B- T3 b3 X2 P! b# I2 j
* callback, and the position returned by
9 @& V) d: m1 ?: ~ * UF_UI_specify_screen_position, is the screen
/ R3 q3 `" t# w$ j7 `' f8 F * position projected onto the WCS XY plane." H3 b# P" y" ]7 s: m, I/ P
*/
F7 _3 o! `( |9 |5 M* K/ J" R, O( u if (default_plane != 5)! n7 D8 B: @; o) p
{0 G; A( O( Q9 U( ~# d" U1 f
UF_CSYS_create_matrix( plane_matrix, &mtx_id );1 w+ Q1 V! t. G7 _: q! ^6 _
UF_CSYS_create_csys( plane_origin, mtx_id,
% @: D5 l9 M2 w. l &csys_id );
* i3 K/ Z$ O- j3 Q4 z UF_CSYS_set_wcs( csys_id );
% B/ B3 P! r' W3 g( i4 J _7 r. y }4 G Z! ?) U- y' z, _- f% b
/* Obtain unit vectors and the arc matrix relative to
- y6 ~1 |' W; R1 n# K! R& V * the Work Part coordinate system.
! ^8 U4 B0 O% ^: h+ Z9 L+ X: T1 e */
, c( q# N; a$ ~& x$ h UF_MTX3_x_vec( plane_matrix, x_vec );* r% }" `6 x% d! k
UF_MTX3_y_vec( plane_matrix, y_vec );6 n& P9 _. `6 z# |, i
UF_CSYS_map_point( UF_CSYS_ROOT_COORDS, x_vec,
G; T: K9 i/ c) \ UF_CSYS_WORK_COORDS, x_vec );
4 C" t9 Z! F! I% x* l2 w( d! c3 A UF_CSYS_map_point( UF_CSYS_ROOT_COORDS, y_vec,# ?' Q! P0 q! X5 g( v6 f+ F: d
UF_CSYS_WORK_COORDS, y_vec );0 _! M! Z) _7 ^% X
UF_CSYS_map_point( UF_CSYS_ROOT_COORDS, root_origin,
; W+ ]. w- n2 y3 x c7 }9 d UF_CSYS_WORK_COORDS, work_origin );* C6 S5 p0 F" s# K+ R
UF_VEC3_sub( x_vec, work_origin, my_data.x_axis );5 i( ^9 P ?. Q% x; z
UF_VEC3_sub( y_vec, work_origin, my_data.y_axis );
" O7 ^6 L x: W! k; H8 ~& M3 ] UF_MTX3_initialize( my_data.x_axis, my_data.y_axis,
9 D! r! X; I. A5 }( T4 c. x- j2 e0 ^ my_data.matrix );- N& t# O0 I' M4 N; C3 b
UF_CSYS_create_matrix( my_data.matrix,5 [- f/ b: d7 q; z9 M) z! |
&arc.matrix_tag );6 F# M! m3 J( b, B& b: n
do
9 Z5 t" o$ f8 {0 K8 N) _! U4 N {6 V% t* R; y9 b' D9 j6 s
UF_CALL(UF_UI_specify_screen_position(
9 q: A8 u! V9 A' M- C! {7 X, T8 y "Specify arc center",
. |3 W+ b& k% B s NULL,
2 Y2 i3 E3 \9 e NULL,/ C* m6 {. ^' d7 m, _
my_data.abs_ctr,3 c+ b2 @" O. {/ M' S
&view_tag,
# n/ g- i3 b7 O4 n: _0 ` &ctr_resp ));& ?6 f- O1 j: [; G- [/ b1 C! h
if (ctr_resp == UF_UI_PICK_RESPONSE)
+ u" Z; T* o! r5 _$ N3 o- j {) m* V4 r" R- X$ h, t: p1 u
/* Map the arc center to the arc csys.
, U; b7 k7 |4 E4 M */; E& H/ T% d7 p6 R
UF_MTX3_vec_multiply( my_data.abs_ctr,
1 T9 r3 j3 Z. \" N0 a1 ~ my_data.matrix,; |; Q( u- C( @3 q1 ~
arc.arc_center );3 G4 f! _- b5 o+ X& @/ S5 _
UF_CALL(UF_UI_specify_screen_position(
$ P6 V: Q5 S: f9 h7 B8 H# M" @ "Indicate arc radius",
7 U4 A1 p/ ^' @% T) Q (UF_UI_motion_fn_t)motion_cb,& c+ a) s! q( ?; M' I. L; d$ i
(void *)&my_data,+ h( z D6 s5 ?$ N
arc_edge_pos,* ^; Z7 F& U9 o; R4 z) [& _5 _
&view_tag,
% N( b9 @' t. t! M# Y. v+ S &pos_resp ));# C( n0 v2 d' c, B5 a) `5 ]4 T+ E `
/* If a position was obtained, create the# o1 T8 E+ _( E6 l- {; N
* circle.4 A! o! P. g1 O
*/
6 E% x, D: x7 i/ K6 r; C if (pos_resp == UF_UI_PICK_RESPONSE)
" }. |# }0 S, Y9 E( i/ A {+ ?/ `5 J5 G3 X
UF_VEC3_distance( my_data.abs_ctr,' i: l, D8 U# ^" E# z+ u) I
arc_edge_pos,
$ @1 K8 J8 R- s &arc.radius );
0 p4 j8 J7 |& T3 ^9 i$ e UF_CURVE_create_arc( &arc, &arc_id );8 f" {- [% e/ y4 z
}
$ d$ V( V+ L& [" g y1 D }
7 W' {6 E, s) q2 _+ Y) Y3 T' l } while ( (ctr_resp == UF_UI_PICK_RESPONSE) &&' D3 P/ u+ }8 Q6 y' L2 w
(pos_resp != UF_UI_CANCEL) );& K4 Y# L- H! Y
/* Restore the WCS if it was altered above.
# Q0 w# t6 O6 `1 |, \% B */
4 y5 X- a5 o/ \% J& a* N if (default_plane != 5)4 ?% I% Q: }2 C1 g
{* U6 i1 `1 ]! U
UF_CSYS_set_wcs( saved_wcs );$ A( N L) O% m8 r. S$ u
UF_OBJ_delete_object( csys_id );3 F( P2 ]$ V! x
}& M8 a7 X+ _ p* m. C8 m! Y
}
$ O9 F" L) w- o8 @ } while (ctr_resp == UF_UI_BACK && plane_resp == 3);
( ]4 \, \0 z; n2 D0 \" a# P: E2 b1 P}$ o8 ~, v# p( w
/*ARGSUSED*/ h) g5 S+ Q" i! M
void ufusr(char *param, int *reTCode, int param_len)
, f7 y7 @+ ~% K+ W* m7 L8 d5 C{
) C" z' N' u' p" j if (!UF_CALL(UF_initialize())), k! a" K/ w9 f1 F1 H6 V
{9 H) \7 g9 `% Z# j* o/ G3 Z
do_ugopen_api();& d! E* J! m- n) \6 ]( T
UF_CALL(UF_terminate());
% [( C9 J/ i( k, x3 p* T+ f+ D }
8 U( _ E5 {* g6 g& x+ L}
- i$ e, C# g4 o( a# Jint ufusr_ask_unload(void)
3 u6 H9 p9 z8 o6 V a" [{
5 K* N% {. g6 P8 r/ v$ A return (UF_UNLOAD_IMMEDIATELY);
* V6 b) s% x( }$ @% f8 g}
2 `* g9 u& n3 o9 g
7 \2 i7 V+ F2 e' U |
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