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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% _/ P; m- M, s0 D! _
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2 R$ U) `% V6 z" Y7 H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!
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#include <stdio.h>- S w4 U' @) j! |, q+ i6 u
#include <uf_defs.h>1 K/ I6 u$ H# b% y+ j
#include <uf.h>! {% J1 D' v5 X2 {. M2 w3 F
#include <uf_ui.h>
5 a8 l4 o" i3 n# s#include <uf_csys.h>- u. {- S$ d+ T1 [( v" F0 P7 I
#include <uf_vec.h>
8 |! m- _# {9 H0 j# a( ^ [#include <uf_disp.h>
! n. J; T2 _5 \$ I$ g) n! i#include <uf_curve.h>2 u' @6 |' A0 z5 l$ R5 `1 Y
#include <uf_mtx.h>
: D6 ]. S2 l( F; B4 a1 l# ]#include <uf_obj.h>
6 M; _# P0 r3 Ztypedef struct
6 V2 i0 y5 L! _! j5 S { UF_CURVE_arc_t *arc;
# K3 t& r% [7 U/ L2 I double abs_ctr[3];4 ~4 R: @7 F6 D5 p: \* X, W
double matrix[9];
' f! i* m/ t, o) v double x_axis[3];4 m- H, T+ ?! A3 T& c
double y_axis[3];7 \7 b0 }+ \% x7 o
} my_motion_data_t;
0 H" ]4 t4 h V3 a2 ?$ y/* Define a motion callback to render a visual representation of6 m# S9 r* u" ~5 t
* the circle to be created, along with a bounding box around the4 {% J8 t1 ~+ V$ W! x& v( _; h3 V9 p
* circle, an arc of radius 1.0, and a "rubberband" line from the
3 c3 q. d, z$ j2 L3 | * center to the cursor position.
: J: G% M5 S9 I2 A' H' | */
4 a, e7 r1 u9 n: M' istatic void motion_cb( double *screen_pos,. S% n* ], r3 U4 d! J! b5 G
UF_UI_motion_cb_data_p_t motion_cb_data,
1 y% l. ]1 J3 S8 Z" J+ |+ J% ?! U my_motion_data_t *my_data )
; `' F1 F9 m; S{; q( Q) E. u+ B+ c
double radius, pos_array[5][3];0 z% P4 g% L+ ~9 b/ J0 W3 I8 @
double xrad[3], yrad[3], x_y_vec[3], x_ny_vec[3];
8 e R% f# X1 \6 S* F /* Calculate the arc radius: the distance from the arc center& {& M1 A3 E/ W! ^, b5 L
* to the current screen position.( p7 Q& l6 ?$ A" B$ p
*/5 v4 s6 ?9 |* Y% F, L8 D
UF_VEC3_distance( my_data->abs_ctr, screen_pos, &radius );* L' q D4 v% k3 c+ x, q
/* Map the arc center to the "csys of the arc".
1 y$ V- A7 F2 H4 ^' z, g */, J4 q8 y/ w7 V+ H: }6 W2 U
UF_MTX3_vec_multiply( my_data->abs_ctr,' ~+ a1 ~2 N8 E e
my_data->matrix,
3 z9 g+ {' Q s% S my_data->arc->arc_center );
* p0 i7 c7 I$ z' M8 h /* Draw a circle and an arc in the view of the cursor.
" I( l' r+ E+ w5 B6 w/ c5 E */
4 l/ \6 p& n6 j! n UF_DISP_display_ogp_circle( motion_cb_data->view_tag,
8 i1 P _& x# K% l8 g6 a( x my_data->matrix,
- D+ ]; y) c, ] b6 E! n7 o6 b% S my_data->arc->arc_center,
* P6 x+ E. X7 H, j5 x radius );
+ ?5 {; D3 F( d% I$ P0 Z6 G UF_DISP_display_ogp_arc( motion_cb_data->view_tag,# S7 H6 ^& R0 h
my_data->matrix,2 ~& f! }' ?% y8 f! \
15.0*DEGRA, 345.0*DEGRA,2 p2 Q3 Q# a2 X- B# P
my_data->arc->arc_center,
( n0 H4 _+ O# W; T& D 1.0 );* i6 a* B Z& [
/* Draw a bounding box around the circle.9 I8 I5 j+ c+ M/ \& d
*/: M3 I6 i0 y3 j+ i# L0 X: O& }% _
UF_VEC3_scale( radius, my_data->x_axis, xrad );
* |: y- v4 t7 K- i& _9 H UF_VEC3_scale( radius, my_data->y_axis, yrad );
2 G6 J( J+ N1 \+ E UF_VEC3_add( xrad, yrad, x_y_vec );
3 M7 M7 q5 a, j( S, D! q# Z UF_VEC3_sub( xrad, yrad, x_ny_vec );
$ [5 @% v% |1 n7 k$ t# j" V UF_VEC3_add( my_data->abs_ctr, x_y_vec, pos_array[0] );
4 T7 ^3 W, B; A9 C: p5 f UF_VEC3_sub( my_data->abs_ctr, x_ny_vec, pos_array[1] );: f" J" o/ r; O" K6 O- ~1 K
UF_VEC3_sub( my_data->abs_ctr, x_y_vec, pos_array[2] );! N! v! K+ k5 n8 j
UF_VEC3_add( my_data->abs_ctr, x_ny_vec, pos_array[3] );
( h, f* o& C2 V UF_VEC3_add( my_data->abs_ctr, x_y_vec, pos_array[4] );
9 c9 \8 W; v% {0 ^ UF_DISP_display_ogp_polyline( motion_cb_data->view_tag,
" j' s1 b( d0 Q# j pos_array, 5 );7 g5 k: o: d' `/ Y# j% B+ j4 y$ h$ _
/* Draw a "rubberband" line from the circle center to the
, A/ ^6 l% |/ v: z% r6 s% J# J * cursor position.9 J8 a; v: a& `( r
*/
; w* U4 L: L# }' M UF_DISP_display_ogp_line( motion_cb_data->view_tag,( @$ H6 [* v2 }& F. u# B
my_data->abs_ctr,6 a4 | f( [+ Z- W) h, |" G" f+ O
screen_pos );! D, R5 d' b; V
}( g4 E2 A- p/ f: t
#define UF_CALL(X) (report( __FILE__, __LINE__, #X, (X)))! }0 e) r ^2 }/ }5 @
static int report( char *file, int line, char *call, int irc)
0 z/ l- {$ ~0 U& O& n3 u{7 \/ a' m: H; K$ k7 ?9 F/ t
if (irc)
. B9 G3 A0 H. a7 A0 X. b/ h$ W x+ J {
' ~% V) y5 e; n6 d, F, K char messg[133];
2 [( n7 C3 m4 }0 g9 W$ i$ c8 y" K, H printf("%s, line %d: %s\n", file, line, call);
4 t0 K7 `/ L2 O! d (UF_get_fail_message(irc, messg)) ?
2 s5 [& f& x" T1 L4 p6 }8 Q printf(" returned a %d\n", irc) :$ t# K J- T: k! W& K# K
printf(" returned error %d: %s\n", irc, messg);3 ^. g; @' T' I; y# V. h
}
* ` D! l7 q" ~/ i) K$ f return(irc); f( M5 c; T$ w7 v: U
}/ N- e8 L8 {" ^) x4 ?- T) I) f
static void do_UGopen_api(void)6 _ |6 a! i6 i. U+ i a% a. U
{- ~1 `9 D D a/ u2 o1 y# m# M7 t
int default_plane;; M( [/ z( `4 E, S& H& P% k9 Z
int plane_resp, ctr_resp, pos_resp;' e7 T2 K$ V$ z* E' K
tag_t plane_tag, saved_wcs, mtx_id, csys_id,- g. w) B. G8 E( I
arc_id, view_tag;
) j7 M9 r6 J* p, _3 T& R$ k double plane_matrix[9], plane_origin[3],3 w$ Y9 Q# y* T6 M$ t$ q
x_vec[3], y_vec[3], arc_edge_pos[3];+ E# e* N4 S6 T. x* j2 ]
double root_origin[3] = {0.0, 0.0, 0.0};
4 s7 u2 G6 E0 x# D3 r double work_origin[3];6 n! {0 S! e8 Q& _" G# a
UF_CURVE_arc_t arc;
+ v3 n) G: U5 i my_motion_data_t my_data;
# Z$ C/ y8 F' Z6 `, |: {- r7 u5 w" e
my_data.arc = &arc;
2 s5 A! H+ W S$ T, ^ arc.start_angle = 0.0;: j3 D- ]& j" O
arc.end_angle = TWOPI; /* Create a full circle. */0 A3 P5 k2 s' f8 Y8 |
default_plane = 5; /* Default plane = WCS */5 U$ M2 r+ p4 v8 H5 X! V3 f1 a
do8 t# T& }( f& G- c1 b; j
{
+ ~3 J; O! k8 t9 @3 s /* Specify the plane on which the circle is to be created.
, Y" ?7 \/ \0 b9 m G) Q */
' e8 L# W s* k4 [" |) g! u UF_CALL(UF_UI_specify_plane(0 ] W; K" N- Y" `. E0 j: E. b
"Specify plane for circle creation",( e" _) i! c( E1 k' q$ k
&default_plane,
# \ G+ X/ M' H/ Z; w1 S3 ` 1,
* X* S6 y* P) |2 [! C1 j# j" @ &plane_resp,' U- }; c0 S) o" f: N1 g( W# q
plane_matrix, @' Y( o" F' k' w$ |$ _2 s
plane_origin,4 a7 D# s0 Q/ C
&plane_tag ));
; V$ c4 T6 f3 W4 }9 P if (plane_resp ==3)
1 o! T( X1 G9 i2 b1 F {
+ e8 F/ ~* ^0 c2 a /* Save the current WCS for future restoration.1 ~% h- J. E9 A9 x- N
*// H8 e3 A! t) z
UF_CSYS_ask_wcs( &saved_wcs );
4 p2 A! {2 \; {/ }% N /* Move the WCS to the specified plane. This is
) c5 L5 S" _/ w4 H * necessary because the position passed to the motion+ u Z4 y& f0 Q8 Q7 D+ u& {
* callback, and the position returned by$ i( v$ \* V y* G; P* Z D
* UF_UI_specify_screen_position, is the screen
; R% R0 `# I2 k4 U4 I3 z* h * position projected onto the WCS XY plane. h7 _& E$ `/ W4 {) S! h% m( ^
*/
* z5 _6 \8 a5 S" {2 d( E3 ^8 o if (default_plane != 5)
5 R0 l* e. s) J {* _4 H% u0 i& V+ `; q8 J( U
UF_CSYS_create_matrix( plane_matrix, &mtx_id );
6 A, E& k$ H7 {2 x9 g- C UF_CSYS_create_csys( plane_origin, mtx_id,
( r7 N2 \( P; k4 d/ i& t &csys_id );# A# p4 R ? O' J [
UF_CSYS_set_wcs( csys_id );
: D! E- E$ x# f+ L }
7 u6 ?2 ? [/ {2 l) g /* Obtain unit vectors and the arc matrix relative to: \9 w" }$ K( H. i* n! {2 n+ y
* the Work Part coordinate system.2 o. n8 i! e# \+ ^: ^# P/ I7 p! [
*/
, H9 F; M+ T% R4 x UF_MTX3_x_vec( plane_matrix, x_vec );0 u3 Z$ t/ ], s
UF_MTX3_y_vec( plane_matrix, y_vec );7 \6 Y7 M5 Z5 `, g: ~& Y; P3 K
UF_CSYS_map_point( UF_CSYS_ROOT_COORDS, x_vec,& u) `7 o" i. L4 C8 S. D0 R
UF_CSYS_WORK_COORDS, x_vec );9 X! w8 ^ {) `1 K2 ^# F; c0 A' V' y. \4 ?
UF_CSYS_map_point( UF_CSYS_ROOT_COORDS, y_vec,
' T! [6 g5 Z4 V' I5 _ UF_CSYS_WORK_COORDS, y_vec );2 q8 A/ }2 u/ L6 |0 d9 F e( A
UF_CSYS_map_point( UF_CSYS_ROOT_COORDS, root_origin,6 p7 x) J8 g: R+ k3 V* n4 k
UF_CSYS_WORK_COORDS, work_origin );
4 i& A; v; _( s2 x+ E$ \8 E7 w$ N! _ UF_VEC3_sub( x_vec, work_origin, my_data.x_axis ); A3 T1 D! |5 }% ?
UF_VEC3_sub( y_vec, work_origin, my_data.y_axis );& s) C$ g4 @0 I* T( G
UF_MTX3_initialize( my_data.x_axis, my_data.y_axis,# h6 _. ? S/ ?5 h& C; Y6 n: p1 B
my_data.matrix );
9 f' S2 y7 a1 H( n M4 V6 L6 h UF_CSYS_create_matrix( my_data.matrix,
8 }- D. ?% z5 U, W5 y &arc.matrix_tag );
) E6 E' V4 y- D6 k% q do
( t, `/ l' N' ` {
3 A. W3 v# K& \. Q" X5 T UF_CALL(UF_UI_specify_screen_position(% B, p5 Z# x# T. c1 b$ p
"Specify arc center",
b, s' q3 Y; G% Y NULL,5 S" _3 e* S1 Y. }1 F, |
NULL,
4 \. e. g+ J& b* ^1 W my_data.abs_ctr,
+ b& E: i- Q1 { &view_tag,
/ B: S7 B, o( {0 s, i &ctr_resp ));
) Y& ~; e6 D4 n6 _+ v0 Y! _ if (ctr_resp == UF_UI_PICK_RESPONSE)$ @) ]6 A8 o& y' E- d
{/ ~# u' w& s& n6 b1 c/ \
/* Map the arc center to the arc csys.
- d* |- m+ j) y W) Q `" t */# s V# X- N( R( c& i8 v
UF_MTX3_vec_multiply( my_data.abs_ctr,
9 \4 }7 _+ A" M* j9 w my_data.matrix,
( F k* s5 G% i arc.arc_center );: N. A/ R5 I% O0 B
UF_CALL(UF_UI_specify_screen_position(9 p7 [$ e7 f' x4 e0 {7 W$ @& c
"Indicate arc radius",8 c! B6 P$ k; u; u5 D
(UF_UI_motion_fn_t)motion_cb,9 Q/ H7 Z: y/ d3 t5 i
(void *)&my_data,
" a$ h& }1 I; H, @ arc_edge_pos,
! q) `) x, R5 ?8 V+ X" D; y &view_tag,. v0 i, A' Y7 T$ e" w4 z D, J6 |
&pos_resp )); Y! O1 H% `$ m4 ]
/* If a position was obtained, create the; a" Q0 C- {( ]- o
* circle.1 K; r. ?8 W$ R- p8 [0 }
*/5 u2 w" P3 G3 g" a; B
if (pos_resp == UF_UI_PICK_RESPONSE)
+ H7 a% [% Y. t/ L {
2 n7 {& X$ [/ _2 Z. ?; Y UF_VEC3_distance( my_data.abs_ctr,
; N6 [' W# C4 O% o arc_edge_pos,! G2 J3 r" \, J4 q
&arc.radius );
, m& G' V7 F5 f/ W& u# O% V7 I UF_CURVE_create_arc( &arc, &arc_id );
@- Y7 u* m8 r$ @* q }$ \) I$ L9 z- p
}6 H9 o' k* p9 w4 ^8 N+ g
} while ( (ctr_resp == UF_UI_PICK_RESPONSE) &&" g3 z9 J. s1 _ i
(pos_resp != UF_UI_CANCEL) );3 Y6 g1 o& E: ~ I8 O3 b' G2 [# D
/* Restore the WCS if it was altered above.
! ~1 v! q( V/ y. D! `* w */
0 E" C3 N, [( L8 _+ D, o+ I) D if (default_plane != 5), W5 M/ z# w. ^5 L0 c
{
. T; k9 M; ~* O. B) ] UF_CSYS_set_wcs( saved_wcs );) u" S7 c7 J2 e* `
UF_OBJ_delete_object( csys_id );6 k/ ~, p- R. Z+ G9 W8 ~; F
}( ~; \! z! l4 d" Q
}& V7 q2 ^ d# [5 @
} while (ctr_resp == UF_UI_BACK && plane_resp == 3);( R* A, g, a, M" Q
}
; S. _- L' m( D1 [/*ARGSUSED*/0 T* F! G& V, k. s4 d, G
void ufusr(char *param, int *reTCode, int param_len)5 y+ Z* l1 v/ x' ]4 G5 |% j
{; \! x$ Z* j) C9 h
if (!UF_CALL(UF_initialize()))
7 ]% b* \0 R! r9 i+ O0 q& K8 S; @ {8 C' @1 o3 X9 V$ r; U
do_ugopen_api();
5 g* Q' ]1 P& N' V UF_CALL(UF_terminate());; e5 a6 T: ~7 m% h8 z, R+ Z
}
+ R. z: }' f$ C- [ n5 V& B- o# u}. v$ @- \/ D5 C- V
int ufusr_ask_unload(void)
9 r8 X/ J) d# W, b8 C; e{6 E* t, V6 {1 {" \/ [# ` Y/ e$ b
return (UF_UNLOAD_IMMEDIATELY);
% c& Z, A0 p/ m& a: d1 U}
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