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[分享] UG刻字源码VB开发

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发表于 2018-4-20 17:10 | 显示全部楼层 |阅读模式
' ug刻字源码 +QQ 609719845! `1 K* `! T( X/ n  V9 W3 ~
' into geometry using a true type font and) v3 Y. v) h; k6 Y4 \4 o& I
' extrude the result! D! D& R, ?6 ~. ?
$ j5 o/ E8 \  _* F' Y  `: m
Option Strict On
) q" B& U5 v9 `0 R+ |
# e! E* z/ {. V5 G8 ?( _4 |Imports System
& l, J, k, z$ b& t( u- U% XImports System.Drawing* c) d* I0 x; T) ]
Imports System.Drawing.Drawing2D
# J+ ^& @, G+ g; l% d8 T. K+ m8 XImports System.Windows.Forms
4 j7 z7 z, A! u# Y2 b* sImports System.Collections& P  p/ X7 a7 U7 P
Imports NXOpen
* T8 Z# ?6 R, l+ XImports NXOpen.Features. _* F# v2 H1 g- H3 X7 L
Imports NXOpen.UF0 y) g# K7 K: H3 N
Imports NXOpen.Utilities
$ ]# t" A9 ~; |8 G$ \- DImports NXOpenUI& x3 [& T1 O5 i1 Y

# F+ X! q8 h, }# c  C" w5 BModule DrawText
8 D) O3 Y6 j8 c1 |4 W5 r( x# W' Z. f0 p
    Private sess As Session
) h1 F1 F5 Q; V( ]. A( a    Private ufSess As UFSession
, I% W# X, j! D6 Y" b3 E! K4 Z3 @    Private origin(2) As Double' [" m6 U, |3 t
    Private path As GraphicsPath3 D2 c* J0 F4 q' [; b" @
    Private text As String
* |& Y0 a* t" r    Private font As font
* _5 {* U6 |) v$ q  o    Private curves As New ArrayList) m2 D# v3 j" C6 E" s* h& v& p  _
    Private sketch1 As sketch
( u0 p7 f' I' ]! r    Private thickness As String; d3 g, A1 r6 w+ i7 x0 E$ M/ g
    Private undoMarkId As Session.UndoMarkId
; `. M; t0 u! x+ Q2 S
* r2 U4 }  E& b5 f) N( O0 Y    ' Prompt the user to select a font.& K; O, S! C# \/ k
    ' Return True if successful! m" R# T7 t& F& X1 b+ d
    ' The Module level variable 'font' is set to the resulting font.
, q0 G5 E: K6 \# q0 z& b$ p1 t    Function SelectFont() As Boolean  n8 j+ P- }' _: X: Z
        Dim fontDlg As FontDialog = New FontDialog$ \, d2 x& z4 A5 k- D/ x# d: G' q

3 A: X% p1 [% E7 B0 e: d0 `        SelectFont = False
$ c0 F  X# I/ W' V" X" B2 W  {        If fontDlg.ShowDialog() = DialogResult.OK Then
+ o& k9 A/ \+ d+ ^' O. ~. B% u            font = fontDlg.Font
- L$ p) ]  t# b' y" X9 \0 m            SelectFont = True  g, e, p5 e; C
        End If: g# o* S7 a" j) V8 ?$ p" _/ x5 O; n! }
    End Function# G4 P0 U/ c' I! C
    ' Prompt the user to select a screen position
1 Z7 i5 `! r0 P4 ?- f: L# f6 O    ' Return True if successful' ?; {/ L( s0 V' I% g* b2 Y
    ' The Module level variable 'origin' is set to the resulting point.
4 g% S1 S7 f9 h, u) j    Function SelectPosition() As Boolean
$ }3 C6 I" G- ?$ ]1 j# F        Dim view As Tag
7 j: G% q' N7 u- L" {  F        Dim response As Integer% N9 {0 x+ F& s2 p

5 r- H1 Q' U3 f/ x7 U        ufSess.Ui.LockUGAccess(UFConstants.UF_UI_FROM_CUSTOM)
' n8 N* E6 ]! i( i3 f8 D% g1 y  _, ]        SelectPosition = False
! w1 O- i3 F( q- ^9 |        Try
+ n; K) L5 N1 U            ufSess.Ui.SpecifyScreenPosition("选择字体", Nothing, IntPtr.Zero, origin, view, response)
% V1 M  j$ \6 G            If response = UFConstants.UF_UI_PICK_RESPONSE Then1 d: \7 l& K7 N9 o6 ~# N( M+ R) z
                SelectPosition = True- G! O- w1 U5 `9 S* z! q3 Q
            End If
5 ~5 o" t, g; m" J2 d; U        Finally3 G4 Z7 e! g8 P) W
            ' Restore UI state always including in case of error.
% t9 [- G& k6 P* f; _# u' k" y3 \6 ^            ufSess.Ui.UnlockUgAccess(UFConstants.UF_UI_FROM_CUSTOM)
4 W, G2 a; o& @3 O        End Try
6 r( B7 q8 M' T7 V8 Y& r    End Function$ v1 d/ k. X8 I; O& \  t
    ' Prompt the user to input a text string to convert.
; k) \! h$ X" s1 F- R    ' Return True if successful8 q+ @% Z  q* k& O: s% a
    ' The Module level variable 'text' is set to the resulting string.- ~+ X; s0 l  b* p/ I5 n% N, o
    Function SelectText() As Boolean
. k! z4 D0 D8 k& {1 N: ]6 T) l7 I        text = NXInputBox.GetInputString("输入文字", "Enter String To Convert"); z' D" K; e; g8 M
        SelectText = False& k0 D! v9 _6 T" W* z% @- w; U
        If text.Length <> 0 Then
( j* b) l- k( m% i' u6 k            SelectText = True7 Q- f( [9 a6 m, H' ]
        End If
3 v8 ?6 S' `% U7 L8 r: l9 X7 \    End Function" a+ u* I1 a, I% _( }
    ' Prompt the user to input an expresion text string to convert.
7 k4 `9 L+ r6 S5 p# R9 q. X( K    ' Return True if successful
  i: O" P2 r- x" K0 m1 D2 t  A2 C! _    ' The Module level variable 'thickness' is set to the resulting string.
0 s9 G* _+ S1 x9 E9 W$ C% U6 E, _2 R    Function SelectThickness() As Boolean
5 d8 \, r' D+ d/ o        thickness = NXInputBox.GetInputString("输入高度", "输入高度")
' \3 @7 J7 E  H" r) N* {7 m        SelectThickness = False0 y, J+ j4 t; l- J
        If text.Length <> 0 Then
7 g) q) \* k: M+ T- t3 y            SelectThickness = True4 D/ w# c* P2 y$ F  v; Y) r8 L
        End If
6 H1 s+ N( G3 m: Y$ @    End Function+ ?* E$ q+ I  G7 g" Q% S
    ' Given a subset of the graphics path between the given indices # z2 f" G& v1 D$ p7 Y0 U
    ' create lines between the points in the path.
. J5 j8 d( ]) v+ r4 |    ' Assumes that caller has selected an appropriate section of the path.
' t1 Z4 j& ~3 p; L    Sub CreateLinearPath(ByVal startIndex As Integer, ByVal endIndex As Integer)( F& j2 ]9 y! [  I% x
        Dim j As Integer
* t1 g; f" b8 e# u        For j = startIndex To endIndex - 1! {- W; `" }0 J3 Q5 W
            Dim stpt As New Point3d/ |  X0 G4 ~, r3 E- k- j6 X
            Dim endpt As New Point3d" E$ t  b4 @3 V  y$ N' P5 ^3 b4 I
            stpt.x = path.PathPoints(j).X + origin(0)8 j: Q3 s. s0 F% Y
            stpt.y = -path.PathPoints(j).Y + origin(1)
: U: V" D- [% P            stpt.z = 0% h+ z2 a+ b7 G# g  t
            endpt.x = path.PathPoints(j + 1).X + origin(0)1 Z' |- h; W6 u8 n3 E
            endpt.y = -path.PathPoints(j + 1).Y + origin(1)
; h: a2 j# O3 J' u3 e' g9 H8 ]            endpt.z = 0
+ Q; H. _% E+ h* ~) ?4 e            curves.Add(sess.Parts.Work.Curves.CreateLine(stpt, endpt))6 \% p+ j- f6 g: R8 h" g
        Next
0 t6 u1 [; B. P  z* E    End Sub) c6 y* x, e" `  b
    ' Given a subset of the graphics path between the given indices
7 l" M* @* c! m' |! ]9 T1 ?9 U/ T3 B6 h    ' create splines between the points in the path.# o+ ?, Y; I' l' o) N. x8 T  r) D
    ' The path contains bezier segments and this converts then to B-splines.
# _1 @6 W1 x, t7 a3 j    ' Assumes that caller has selected an appropriate section of the path.6 n0 c4 `9 t( a
    Sub CreateSplinePath(ByVal startIndex As Integer, ByVal endIndex As Integer)1 ^# N5 s9 _: N: n3 t5 _! Y
        Dim j As Integer, `8 c$ }( ]+ i+ G+ e9 f
        For j = startIndex To endIndex - 1 Step 3
6 }$ w2 E5 C2 I. I* c            Dim poles(3, 3) As Double# Q. h! J! M2 _$ ?7 f* O
            Dim k As Integer5 X& S. K7 n! X, y6 E9 u- e4 ^  r4 v
            For k = 0 To 3  G, b; l) d5 Y& y& |0 b1 ~+ P
                poles(k, 0) = path.PathPoints(j + k).X + origin(0)! D  ]; |. K5 [8 g6 q7 z
                poles(k, 1) = -path.PathPoints(j + k).Y + origin(1)
' y, x6 r8 V2 F# @- L3 K0 [                poles(k, 2) = 0$ X4 s7 Q9 R& a4 Y) E
                poles(k, 3) = 1
! ^6 x8 ]5 J2 C( s' ~  P: X  i            Next+ Y- b4 V' t$ K: \. T
            Dim knots() As Double = {0, 0, 0, 0, 1, 1, 1, 1}
5 `$ q' k0 u: |, [            Dim spl As UFCurve.Spline! M6 H: x  D1 r. i" i1 {
            Dim spline As Tag
3 v/ x- X- w* k9 W0 C            Dim num_states As Integer% b3 u' [; C2 ^" T
            Dim states() As UFCurve.State = Nothing5 \, n* u  B/ z, j! y6 n
            spl.start_param = 04 W* N' R8 {& E0 f/ n
            spl.end_param = 1
! g' K  c- w$ o1 n& g2 Z% R            spl.is_rational = 02 D! t1 |/ u1 X0 R0 c' h) ~
            spl.num_poles = 48 w  [/ j; g! X( L
            spl.order = 46 r+ @" ^# `6 v8 R3 R  Q$ a
            spl.knots = knots
$ X% Y: g  X& A6 J9 G1 h            spl.poles = poles
! B- M% P. T, x2 {: {. t            ufSess.Curve.CreateSpline(spl, spline, num_states, states)$ E% ~' R5 B9 ~( h5 P) ?
            curves.Add(NXObjectManager.Get(spline))
& j  M9 r* W: R, R0 h        Next
" @" G. T1 O4 {" b  G) z    End Sub
' l  y' P; B1 z, X( v    ' Create a sketch and add all curves we've created to it.
# T: A1 w: `% e8 {( j    ' Most of this was created by recording create a sketch and editting the result.
4 I6 ~1 I6 |9 Q/ Y) F4 ]! P    ' Retries with different sketch names to avoid duplicate names.& h8 |/ Y9 R7 O. K
    Sub CreateSketch()8 H+ k6 d2 F) O. Q5 }# X- u* a# X
        Dim theSession As Session = Session.GetSession()2 |, `, g4 c" p$ A( t) d6 W
        Dim workPart As Part = theSession.Parts.Work
$ D. t6 F  s$ I        Dim displayPart As Part = theSession.Parts.Display6 a( i6 z6 [' L

8 Z4 o, b. A3 A" W! P7 c$ z        Dim markId1 As Session.UndoMarkId
( t; o5 B2 W/ I5 ~# K7 C        markId1 = theSession.SetUndoMark(Session.MarkVisibility.Visible, "Start")( s4 ^1 I% L5 j1 f7 {' T' p3 p

) y0 L. T2 f0 M: J. T) i        Dim nullSketch As Sketch = Nothing
- q; o) S& A, t( v, Q7 T
4 G( y3 g, f2 r6 c' v) B        Dim sketchInPlaceBuilder1 As SketchInPlaceBuilder# U; e- S2 B- |, K: F4 W
        sketchInPlaceBuilder1 = workPart.Sketches.CreateSketchInPlaceBuilder2(nullSketch)& H/ t. P) ?( k$ S. F# \/ _
# z- l! t, i3 m1 M
        Dim unit1 As Unit = CType(workPart.UnitCollection.FindObject("Inch"), Unit): r1 ^  _* T4 U
- q: @$ m5 Y- Z' x- w3 X2 u
        Dim expression1 As Expression
# ~8 C9 m+ U8 }7 b5 K        expression1 = workPart.Expressions.CreateSystemExpressionWithUnits("0", unit1)3 L2 B. u# E2 o

6 d( `& T' _7 f0 Z9 L1 c        Dim expression2 As Expression
* M+ x/ S) A) G$ s: Z' z        expression2 = workPart.Expressions.CreateSystemExpressionWithUnits("0", unit1)4 ?! c+ G$ b/ v: u- m9 A. T
9 v, E1 K' b3 N+ X, D
        theSession.SetUndoMarkName(markId1, "'Create Sketch Dialog")
1 k  L: A, n( ^8 l' l1 U; E  b+ O5 s  W; ]: k
        Dim markId2 As Session.UndoMarkId
3 Y4 L9 ~# J: J! F" U        markId2 = theSession.SetUndoMark(Session.MarkVisibility.Invisible, "Create Sketch")
+ C3 q  D4 o8 k9 J5 v2 q, ~7 P* R0 o+ Q5 c$ ^" m9 r
        theSession.DeleteUndoMark(markId2, Nothing)
3 f( P) s5 E8 @9 T+ l: p  P+ L% U" _
        Dim markId3 As Session.UndoMarkId4 _7 u  A3 n" j5 v
        markId3 = theSession.SetUndoMark(Session.MarkVisibility.Invisible, "Create Sketch")
, R. A7 ]) @* h% u6 e) ]  l
( j# u- U) k$ ~2 M& ]8 l; J9 q        ' Inferring constraints and auto dimensions may take long time and is not really required for drawing text. ( |* s# i: F* F/ ^5 z/ Y
        theSession.Preferences.Sketch.CreateInferredConstraints = False& w7 r; [5 j( O) D
        theSession.Preferences.Sketch.ContinuousAutoDimensioning = False
1 y! ]3 X" c2 C! K$ P6 Y+ o        theSession.Preferences.Sketch.DimensionLabel = Preferences.SketchPreferences.DimensionLabelType.Expression
: S* o7 v( s* v; g6 E        theSession.Preferences.Sketch.TextSizeFixed = True
- X3 E3 s# A, z8 H        theSession.Preferences.Sketch.FixedTextSize = 0.127 e. ?# o7 b0 U$ F% J1 {; c/ K
        theSession.Preferences.Sketch.ConstraintSymbolSize = 3.03 V! r/ R7 }3 H$ G
        theSession.Preferences.Sketch.DisplayObjectColor = False( g, v- C. ^, |5 v" b  f" Z8 r
        theSession.Preferences.Sketch.DisplayObjectName = False* c4 f- s  B- U
, s7 ~8 j' P! y
        Dim nXObject1 As NXObject
+ b0 ~/ p5 M) e( p% P. O        nXObject1 = sketchInPlaceBuilder1.Commit()2 ]# [5 p$ T5 q( l5 ?
        sketch1 = CType(nXObject1, Sketch)
' I; P- `& x8 p& E3 y  o
$ C9 X: t  c; m% p: ^        Dim markId4 As Session.UndoMarkId
, m. c' N0 K. z3 @5 H) {        markId4 = theSession.SetUndoMark(Session.MarkVisibility.Invisible, "update")) t; X- W8 e+ {

8 E! w8 s/ W3 L        Dim nErrs1 As Integer# e/ [$ S4 X, [: n0 L# p: q% `
        nErrs1 = theSession.UpdateManager.DoUpdate(markId4)& i' b! u/ n2 X% ]

% K/ v( Q/ e' F# Y8 R2 `        sketch1.Activate(sketch.ViewReorient.False)" M6 ~/ U/ x  h; _- D
2 T! l3 F3 i5 O  s
        Dim curve As DisplayableObject
$ O: {9 \1 c& H" x: ?9 a- I- H        For Each curve In curves$ U% }* i1 L' Y# S
            Try4 o" \2 x" Y- H
                sess.ActiveSketch.AddGeometry(curve)5 _  I0 z, n' g) x9 ?/ l/ p
            Catch ex As Exception
) F0 P+ O6 R$ B  |" s- b                MessageBox.Show("Could not add: " + curve.ToString + " to sketch " + ex.Message)! ?4 s; k& @/ z# w- A
            End Try
. q1 T2 S1 p: x' ]# F8 t  m        Next
3 C1 m6 G5 Q$ p+ ?6 u9 c0 V- q$ k
5 ?0 a: X9 ^. }# I' U# N- d8 d  ~        sess.ActiveSketch.Deactivate(sketch.ViewReorient.False, sketch.UpdateLevel.Model)
$ F, `: |# c, A3 `4 i8 a6 ^" ^, U' `# A8 A$ D
        theSession.DeleteUndoMark(markId3, Nothing)2 \0 K. w9 s9 n6 P% z
        theSession.SetUndoMarkName(markId1, "Create Sketch")3 m/ b3 m  @' O* \1 V8 R& G+ B
        sketchInPlaceBuilder1.Destroy()$ _/ h9 r; K  U  S8 E

: B3 @2 Y/ ]9 J$ G        Try% ?5 A2 f1 j3 v" L/ Z1 H
            ' 'Expression is still in use.* D8 c  D' U# Y% g
            workPart.Expressions.Delete(expression2)/ F* a- U: z5 U/ O+ u$ e. K0 `
        Catch ex As NXException' a  `& z' a: B1 k8 k3 q
            ex.AssertErrorCode(1050029)1 e; Q! l% G4 B* b& p# E, A, m
        End Try$ L% m3 J1 a5 ^0 N- D6 l6 s

5 \, D7 a! M, M# I/ n/ E        Try7 n6 B5 p% m0 y6 H- V6 T$ O
            ' 'Expression is still in use.( j% x/ C! Q% q1 f7 Z8 C- A$ ~3 |
            workPart.Expressions.Delete(expression1)
: u& I+ [2 {  W  I$ U6 T        Catch ex As NXException: p9 J+ f8 Z2 F* ?
            ex.AssertErrorCode(1050029)
* B4 I3 |% `% `9 `) O        End Try
- e% F# _3 i* O0 v6 }# n9 Y/ R1 R6 X  z0 Q, }: x0 q
    End Sub
0 V# ]* u. {3 v& D9 F, u    ' Extrude the sketch
& d8 {% }# s, H% Q2 P8 F+ U    Sub CreateExtrusion()" u' N( d2 O6 \9 j
/ K' n1 \8 z( Y- H
        Dim nullFeature As Feature = Nothing  V) P0 g3 S7 S. V" w
% @' E7 v7 Q+ d; t
        Dim extrudeBuilder1 As Features.ExtrudeBuilder5 P7 |/ ?; R* p( ^% p4 f5 C
        extrudeBuilder1 = sess.Parts.Work.Features.CreateExtrudeBuilder(nullFeature)
- t1 G6 s7 D3 u1 I5 I# z0 O3 s, K# G, [3 U# ?
        Dim section1 As Section
% a6 v( Q) n; y6 g; H9 j$ w9 a        section1 = sess.Parts.Work.Sections.CreateSection(0.000001, 0.001, 0.5)
3 d( J  N# U& {& b) r- ^- k
! ?) a/ l2 l9 j        Dim featureArray1(0) As Feature3 l: V/ ]6 a: t2 u
        featureArray1(0) = sketch1.Feature
/ q. o7 R5 s! l9 I7 z% _" y' z        Dim curveFeatureRule1 As CurveFeatureRule  W% {# ]+ n" J" F# W$ a3 O+ {( o
        curveFeatureRule1 = sess.Parts.Work.ScRuleFactory.CreateRuleCurveFeature(featureArray1)0 t7 h# e& ?/ e4 Y
- L' |+ B1 p% r$ v3 J! [
        Dim rules(0) As SelectionIntentRule
* n- C. i& {& R* E        rules(0) = curveFeatureRule1
1 ^: G9 E( z" J1 x        Dim geoms() As NXObject = sketch1.GetAllGeometry(). ]4 R/ y6 `7 t5 x& F' u" y9 C
        Dim helpPoint As Point3d = New Point3d(0, 0, 0)& j3 x0 `+ I2 }9 }
        section1.AddToSection(rules, geoms(0), Nothing, Nothing, helpPoint, Section.Mode.Create)0 N, l* D" c2 P+ _/ ~

9 Y2 b6 }( Q0 ?  q        extrudeBuilder1.Section = section18 A) s  L" f3 ^& y2 P% t

5 A" [  V8 R: \' e4 {' o! c        Dim direction1 As NXOpen.Direction
' _0 {8 S- M1 j. b1 V" L$ S% e1 J        direction1 = sess.Parts.Work.Directions.CreateDirection(sketch1, Sense.Forward, SmartObject.UpdateOption.WithinModeling)
. j6 _- t, [$ x2 E, R- ^        extrudeBuilder1.Direction = direction1
' p8 P# t; b4 W3 k8 U  R/ Q" R
, H" i/ j$ n( J        extrudeBuilder1.Limits.StartExtend.Value.RightHandSide = "0"# j. e5 ^! b2 s: u4 H) ?6 z
        extrudeBuilder1.Limits.EndExtend.Value.RightHandSide = thickness
( I; e5 X. a3 L/ r. H6 ]9 t) p. {3 e" S" l8 ^- ^2 j
        Dim featureOptions1 As GeometricUtilities.FeatureOptions
0 V! d9 m) D" V/ N3 g' L        featureOptions1 = extrudeBuilder1.FeatureOptions
; v5 ^' x8 Y$ e. m, ]! S9 ]& ?        featureOptions1.BodyType = GeometricUtilities.FeatureOptions.BodyStyle.Solid
1 ~- x+ J8 G0 f$ B9 {% a
! T5 p3 ]) `; Z( f# t        Dim feature5 As Feature- m3 g2 l  w" A( p$ q! p
        feature5 = extrudeBuilder1.CommitFeature()
. Y' x: W! P3 w0 k7 T- G) _4 g- v; L0 a9 v8 G
        extrudeBuilder1.Destroy()  n0 U. Z, n. R/ |

' U5 K. C7 O$ n    End Sub& f% g: r- m! p) \4 q+ B
    ' Main routine for this journal% y& [. a" {$ O
    Sub Main()5 i# t9 }! `) s2 F/ e6 C
        sess = Session.GetSession()& e5 E  |' N/ K. b
        ufSess = UFSession.GetUFSession()
9 ~& c3 @$ k6 X& g
- \* d- d, K+ h: g" J        If Not SelectFont() Then- P; ?2 N3 Q* S) A
            Return
) F, h% D! l& A# o, E: E        End If
! B1 q9 A4 e( W% e        If Not SelectText() Then
; A' H+ F& M% M6 n8 C/ E            Return8 o3 T# _, y$ }" Q" x% B0 y( H
        End If. ~; c  N; Q0 m; A
        If Not SelectPosition() Then* D) _! a) P& R- P* b- P
            Return- @( F- Z+ k* q% j+ r1 t
        End If) u' e3 s" S* j( t6 m

! j7 I" Y( f. \& g( W+ z, E) d        undoMarkId = sess.SetUndoMark(Session.MarkVisibility.Visible, "Create geometry from text"), g9 I& F" O. m* t1 x
# y; A" v- s9 J
        path = New GraphicsPath(FillMode.Alternate)
' x; h$ \* k( t4 m- d+ s- ]        Dim zero As New System.Drawing.Point(0, 0)
8 W- {' [& a5 C$ I6 v: ?1 n. d        Dim format As StringFormat = StringFormat.GenericDefault$ X8 Q( M+ }1 r3 O2 F
        path.AddString(text, font.FontFamily, font.Style, font.SizeInPoints, zero, format)/ y$ h1 ^) f# Z0 Z- A& n
: O- W( `2 X% C7 R8 P) r5 g
        Dim bounds As RectangleF = path.GetBounds()
; ]* D1 O  P/ K        Dim gpi As New GraphicsPathIterator(path)8 s  x+ f# y( k% M3 a) A. ?
        gpi.Rewind()
" V+ ~0 V2 {) _% ^& }! r  _* o  I$ c
        origin(0) -= bounds.Left1 `$ }- C# i  R! W! C" j+ |
        origin(1) += bounds.Bottom
. o4 j6 \# V  v1 L- H' J7 A8 c. `+ I# }& U+ P/ Y/ G- R
        Dim iSubPath As Integer
0 e4 I) G. s3 ?# N4 c        Dim subPathCount As Integer = gpi.SubpathCount
" I4 q7 Q; K; `7 r% ]' p8 x& L; `& c
        For iSubPath = 0 To subPathCount - 1" U" t9 i0 s5 a
            Dim mySubPaths As Integer" h% p: G8 k+ X
            Dim IsClosed As Boolean
6 L1 c, R' L; x. g; H            Dim subPathStartIndex, subPathEndIndex As Integer5 n/ s" y( A  |/ F! K3 t
            Dim stpt As New Point3d$ s/ ?/ ?/ H' K
            Dim endpt As New Point3d; x5 `1 i0 K. f1 P; j# X! l, b) C

7 U! f8 A( p- ?8 D4 y0 {; @            mySubPaths = gpi.NextSubpath(subPathStartIndex, subPathEndIndex, IsClosed)
5 D& S7 n9 f9 j  a            Dim pointTypeStartIndex, pointTypeEndIndex As Integer
) z4 ~( M, g% y            Do
5 x* d  L. t( t0 B+ W3 w' I2 t1 F                Dim subPathPointType As Byte: o7 |! B  p4 P8 F
                Dim numPointsFound As Integer = gpi.NextPathType(subPathPointType, pointTypeStartIndex, pointTypeEndIndex)' G. ~- f7 F+ P" m- O5 E) y
                Dim type As PathPointType = CType(subPathPointType, PathPointType)
9 `6 Z9 b5 D( _8 I  Y. q$ E/ I% g/ p# ~7 U6 `
                If type = PathPointType.Line Then
, F" `7 n  G$ @& I7 c                    CreateLinearPath(pointTypeStartIndex, pointTypeEndIndex)
1 T4 b0 D# G  l4 S3 z: `6 ^) ]- }                ElseIf type = PathPointType.Bezier3 Then
0 r& v0 W9 Q' R# V% v; K3 `/ @                    CreateSplinePath(pointTypeStartIndex, pointTypeEndIndex)+ ?1 h0 H  d# t9 Q; V7 L  A6 q' d
                End If# v4 Q, Y' Z, M' j# S6 J  }: p/ r
            Loop While subPathEndIndex <> pointTypeEndIndex
$ q3 J3 \$ c. g3 Y/ g8 Q            If IsClosed Then0 a( D; ^5 C) X
                stpt.x = path.PathPoints(subPathStartIndex).X + origin(0)
9 P" c7 B2 R/ x4 q: h. K/ P1 U; _                stpt.y = -path.PathPoints(subPathStartIndex).Y + origin(1)$ L  h5 D  U0 U3 O, i* m5 g* W
                stpt.z = 00 B" z' B7 u( ?* A6 o/ P: {+ O% c
                endpt.x = path.PathPoints(subPathEndIndex).X + origin(0)1 ]. R0 U- _- c# S0 B
                endpt.y = -path.PathPoints(subPathEndIndex).Y + origin(1)
' n" M$ E# n/ W. _" k* M( S                endpt.z = 0
* m$ r# d. f, b4 q0 Z( U- B                ' Do not create zero length lines3 m! y; J( Y9 y7 p1 k! m
                If Math.Abs(stpt.x - endpt.x) > 0.000001 Or Math.Abs(stpt.y - endpt.y) > 0.000001 Then/ R1 i( h- Q8 f5 z
                    curves.Add(sess.Parts.Work.Curves.CreateLine(stpt, endpt))
$ ?4 O; Y: a! V* s$ P; |                End If* \8 v+ W* @$ s' y
            End If
& G; G8 u% e$ r  I4 y        Next
" z/ t7 L/ d* p4 k; G" F8 j- j        If SelectThickness() Then
- O( w/ p: [* e8 Z            CreateSketch()
2 i5 }2 r1 P& q$ Z            CreateExtrusion()' ]6 t% `, @) }* @1 i: T0 M' X9 \
        End If
0 |% Z! f% V" e" U. m' {3 ?    End Sub% r. a: z9 r! S5 n
End Module" E5 b9 k# Y7 q; l% H6 ~! s4 a
& Z( K1 r2 m5 V9 d

' W9 G' _7 ]2 k" z9 L3 `1 u/ q
1 W" ]9 e6 D% R4 w# G& V) {
 楼主| 发表于 2018-4-20 17:11 | 显示全部楼层
我不是原创,只是搬运工
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发表于 2018-5-11 22:02 | 显示全部楼层
看不懂,顶一下
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