三点画矩形3-Point Rectangle
(defun c:3prnil (3p-rec nil)) ;; Standard version(defun c:3prd nil (3p-rect )) ;; Dynamic version
;;----------------------------------------------------------------------;;
(defun 3p-rec ( dyn / *error* gr1 gr2 len lst msg ocs osf osm pt1 pt2 pt3 pt4 pt5 pt6 str tmp vec )
(defun *error* ( msg )
(LM:endundo (LM:acdoc))
(if (not (wcmatch (strcase msg t) "*break,*cancel*,*exit*"))
(princ (strcat "\nError: " msg))
)
(redraw) (princ)
)
(if
(and
(setq pt1 (getpoint "\nSpecify 1st point: "))
(setq pt2 (getpoint "\nSpecify 2nd point: " pt1))
(or dyn (setq pt3 (getpoint "\nSpecify 3rd point: " pt1)))
(setq vec (trans (mapcar '- pt2 pt1) 1 0 t)
ocs (trans '(0.0 0.0 1.0) 1 0 t)
pt4 (trans pt1 1 vec)
pt5 (trans pt2 1 vec)
)
(if dyn
(progn
(setq osf (LM:grsnap:snapfunction)
osm (getvar 'osmode)
msg "\nSpecify 3rd point: "
str ""
)
(princ msg)
(while
(progn
(setq gr1 (grread t 15 0)
gr2 (cadr gr1)
gr1 (cargr1)
)
(cond
( (or (= 5 gr1) (= 3 gr1))
(redraw)
(osf gr2 osm)
(setq pt6 (trans gr2 1 vec))
(mapcar '(lambda ( a b ) (grdraw a b 1 1))
(setq lst
(list pt1 pt2
(trans (list (car pt6) (cadr pt6) (caddr pt5)) vec 1)
(trans (list (car pt6) (cadr pt6) (caddr pt4)) vec 1)
)
)
(cons (last lst) lst)
)
(= 5 gr1)
)
( (= 2 gr1)
(cond
( (= 6 gr2)
(if (zerop (logand 16384 (setq osm (setvar 'osmode (boole 6 16384 (getvar 'osmode))))))
(princ "\n<Osnap on>")
(princ "\n<Osnap off>")
)
(princ msg)
)
( (= 8 gr2)
(if (< 0 (strlen str))
(progn
(princ "\010\040\010")
(setq str (substr str 1 (1- (strlen str))))
)
)
t
)
( (< 32 gr2 127)
(setq str (strcat str (princ (chr gr2))))
)
( (member gr2 '(13 32))
(cond
( (= "" str) nil)
( (setq gr2 (LM:grsnap:parsepoint pt1 str))
(setq osm 16384)
nil
)
( (setq tmp (LM:grsnap:snapmode str))
(setq osm tmp
str ""
)
)
( (and pt6
(setq len (distof str))
(setq pt6 (list (car pt6) (cadr pt6) (caddr pt4)))
(not (equal 0.0 (setq tmp (distance pt4 pt6)) 1e-8))
)
(setq gr2 (trans (mapcar '(lambda ( a b ) (+ b (* len (/ (- a b) tmp)))) pt6 pt4) vec 1)
osm 16384
)
nil
)
( (setq str "")
(princ (strcat "\n2D / 3D Point Required." msg))
)
)
)
)
)
)
)
)
(if (listp gr2)
(setq pt6 (trans (osf gr2 osm) 1 vec))
)
)
(setq pt6 (trans pt3 1 vec))
)
)
(progn
(LM:startundo (LM:acdoc))
(entmake
(list
'(000 . "LWPOLYLINE")
'(100 . "AcDbEntity")
'(100 . "AcDbPolyline")
'(090 . 4)
'(070 . 1)
(cons 038 (caddr (trans pt1 1 ocs)))
(cons 010 (trans pt1 1 ocs))
(cons 010 (trans pt2 1 ocs))
(cons 010 (trans (list (car pt6) (cadr pt6) (caddr pt5)) vec ocs))
(cons 010 (trans (list (car pt6) (cadr pt6) (caddr pt4)) vec ocs))
(cons 210 ocs)
)
)
(LM:endundo (LM:acdoc))
)
)
(redraw) (princ)
)
;; Object Snap for grread: Snap Function-Lee Mac
;; Returns: A function requiring two arguments:
;; p - UCS Point to be snapped
;; o - Object Snap bit code
;; The returned function returns either the snapped point (displaying an appropriate snap symbol)
;; or the supplied point if the snap failed for the given Object Snap bit code.
(defun LM:grsnap:snapfunction ( )
(eval
(list 'lambda '( p o / q )
(list 'if '(zerop (logand 16384 o))
(list 'if
'(setq q
(cdar
(vl-sort
(vl-remove-if 'null
(mapcar
(function
(lambda ( a / b )
(if (and (= (car a) (logand (car a) o)) (setq b (osnap p (cdr a))))
(list (distance p b) b (car a))
)
)
)
'(
(0001 . "采用end")
(0002 . "采用mid")
(0004 . "采用cen")
(0008 . "采用nod")
(0016 . "采用qua")
(0032 . "采用int")
(0064 . "采用ins")
(0128 . "采用per")
(0256 . "采用tan")
(0512 . "采用nea")
(2048 . "采用app")
(8192 . "采用par")
)
)
)
'(lambda ( a b ) (< (car a) (car b)))
)
)
)
(list 'LM:grsnap:displaysnap '(car q)
(list 'cdr
(list 'assoc '(cadr q)
(list 'quote
(LM:grsnap:snapsymbols
(atoi (cond ((getenv "AutoSnapSize")) ("5")))
)
)
)
)
(LM:OLE->ACI
(if (= 1 (getvar 'cvport))
(atoi (cond ((getenv "Layout AutoSnap Color")) ("117761")))
(atoi (cond ((getenv"Model AutoSnap Color")) ("104193")))
)
)
)
)
)
'(cond ((car q)) (p))
)
)
)
;; Object Snap for grread: Display Snap-Lee Mac
;; pnt - UCS point at which to display the symbol
;; lst - grvecs vector list
;; col - ACI colour for displayed symbol
;; Returns nil
(defun LM:grsnap:displaysnap ( pnt lst col / scl )
(setq scl (/ (getvar 'viewsize) (cadr (getvar 'screensize)))
pnt (trans pnt 1 2)
)
(grvecs (cons col lst)
(list
(list scl 0.0 0.0 (carpnt))
(list 0.0 scl 0.0 (cadr pnt))
(list 0.0 0.0 scl 0.0)
'(0.0 0.0 0.0 1.0)
)
)
)
;; Object Snap for grread: Snap Symbols-Lee Mac
;; p - Size of snap symbol in pixels
;; Returns: List of vector lists describing each Object Snap symbol
(defun LM:grsnap:snapsymbols ( p / -p -q -r a c i l q r )
(setq -p (- p) q (1+p)
-q (- q) r (+ 2 p)
-r (- r) i (/ pi 6.0)
a 0.0
)
(repeat 12
(setq l (cons (list (* r (cos a)) (* r (sin a))) l)
a (- a i)
)
)
(setq c (apply 'append (mapcar 'list (cons (last l) l) l)))
(list
(list 1
(list -p -p) (list p -p) (list p -p) (list p p) (list p p) (list -p p) (list -p p) (list -p -p)
(list -q -q) (list q -q) (list q -q) (list q q) (list q q) (list -q q) (list -q q) (list -q -q)
)
(list 2
(list -r -q) (list 0r) (list 0r) (list r -q)
(list -p -p) (list p -p) (list p -p) (list 0p) (list 0p) (list -p -p)
(list -q -q) (list q -q) (list q -q) (list 0q) (list 0q) (list -q -q)
)
(cons 4 c)
(vl-list* 8 (list -r -r) (list r r) (list r -r) (list -r r) c)
(list 16
(list p 0) (list 0 p) (list 0 p) (list -p 0) (list -p 0) (list 0 -p) (list 0 -p) (list p 0)
(list q 0) (list 0 q) (list 0 q) (list -q 0) (list -q 0) (list 0 -q) (list 0 -q) (list q 0)
(list r 0) (list 0 r) (list 0 r) (list -r 0) (list -r 0) (list 0 -r) (list 0 -r) (list r 0)
)
(list 32
(listr r) (list -r -r) (listr q) (list -q -r) (listq r) (list -r -q)
(list -r r) (listr -r) (list -q r) (listr -q) (list -r q) (listq -r)
)
(list 64
'( 01) (list0p) (list0p) (list -pp) (list -pp) (list -p -1) (list -p -1) '( 0 -1)
'( 0 -1) (list0 -p) (list0 -p) (listp -p) (listp -p) (listp1) (listp1) '( 01)
'( 12) (list1q) (list1q) (list -qq) (list -qq) (list -q -2) (list -q -2) '(-1 -2)
'(-1 -2) (list -1 -q) (list -1 -q) (listq -q) (listq -q) (listq2) (listq2) '( 12)
)
(list 128
(list (1+ -p) 0) '(0 0) '(0 0) (list 0 (1+ -p))
(list (1+ -p) 1) '(1 1) '(1 1) (list 1 (1+ -p))
(list -p q) (list -p -p) (list -p -p) (list q -p)
(list -q q) (list -q -q) (list -q -q) (list q -q)
)
(vl-list* 256 (list -r r)(list r r) (list -r (1+ r)) (list r (1+ r)) c)
(list 512
(list -p -p) (listp -p) (list -pp) (list p p) (list -q -q) (listq -q)
(listq -q) (list -qq) (list -qq) (list q q) (listqq) (list -q -q)
)
(list 2048
(list -p -p) (list p p) (list -p p) (list p -p)
(list (+ p 05) -p) (list (+ p 06) -p) (list (+ p 05) -q) (list (+ p 06) -q)
(list (+ p 09) -p) (list (+ p 10) -p) (list (+ p 09) -q) (list (+ p 10) -q)
(list (+ p 13) -p) (list (+ p 14) -p) (list (+ p 13) -q) (list (+ p 14) -q)
(list -p -p) (list p -p) (list p -p) (list p p) (list p p) (list -p p) (list -p p) (list -p -p)
(list -q -q) (list q -q) (list q -q) (list q q) (list q q) (list -q q) (list -q q) (list -q -q)
)
(list 8192 (list r 1) (list -r -q) (list r 0) (list -r -r) (list r q) (list -r -1) (list r r) (list -r 0))
)
)
(defun LM:grsnap:parsepoint ( bpt str / str->lst lst )
(defun str->lst ( str / pos )
(if (setq pos (vl-string-position 44 str))
(cons (substr str 1 pos) (str->lst (substr str (+ pos 2))))
(list str)
)
)
(if (wcmatch str "`@*")
(setq str (substr str 2))
(setq bpt '(0.0 0.0 0.0))
)
(if
(and
(setq lst (mapcar 'distof (str->lst str)))
(vl-every 'numberp lst)
(< 1 (length lst) 4)
)
(mapcar '+ bpt lst)
)
)
(defun LM:grsnap:snapmode ( str )
(vl-some
(function
(lambda ( x )
(if (wcmatch (car x) (strcat (strcase str t) "*"))
(progn
(princ (cadr x)) (caddr x)
)
)
)
)
'(
("endpoint" " of " 00001)
("midpoint" " of " 00002)
("center" " of " 00004)
("node" " of " 00008)
("quadrant" " of " 00016)
("intersection"" of " 00032)
("insert" " of " 00064)
("perpendicular" " to " 00128)
("tangent" " to " 00256)
("nearest" " to " 00512)
("appint" " of " 02048)
("parallel" " to " 08192)
("none" "" 16384)
)
)
)
(defun LM:OLE->ACI ( c )
(apply 'LM:RGB->ACI (LM:OLE->RGB c))
)
(defun LM:OLE->RGB ( c )
(mapcar '(lambda ( x ) (lsh (lsh (fix c) x) -24)) '(24 16 8))
)
(defun LM:RGB->ACI ( r g b / c o )
(if (setq o (vla-getinterfaceobject (LM:acapp) (strcat "autocad.accmcolor." (substr (getvar 'acadver) 1 2))))
(progn
(setq c (vl-catch-all-apply '(lambda ( ) (vla-setrgb o r g b) (vla-get-colorindex o))))
(vlax-release-object o)
(if (vl-catch-all-error-p c)
(prompt (strcat "\nError: " (vl-catch-all-error-message c)))
c
)
)
)
)
(defun LM:startundo ( doc )
(LM:endundo doc)
(vla-startundomark doc)
)
(defun LM:endundo ( doc )
(while (= 8 (logand 8 (getvar 'undoctl)))
(vla-endundomark doc)
)
)
(defun LM:acdoc nil
(eval (list 'defun 'LM:acdoc 'nil (vla-get-activedocument (vlax-get-acad-object))))
(LM:acdoc)
)
(defun LM:acapp nil
(eval (list 'defun 'LM:acapp 'nil (vlax-get-acad-object)))
(LM:acapp)
)
(vl-load-com)
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