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1 | // Copyright (c) 1999-2012 OPEN CASCADE SAS |
2 | // |
3 | // The content of this file is subject to the Open CASCADE Technology Public |
4 | // License Version 6.5 (the "License"). You may not use the content of this file |
5 | // except in compliance with the License. Please obtain a copy of the License |
6 | // at http://www.opencascade.org and read it completely before using this file. |
7 | // |
8 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
9 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
10 | // |
11 | // The Original Code and all software distributed under the License is |
12 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
13 | // Initial Developer hereby disclaims all such warranties, including without |
14 | // limitation, any warranties of merchantability, fitness for a particular |
15 | // purpose or non-infringement. Please see the License for the specific terms |
16 | // and conditions governing the rights and limitations under the License. |
17 | |
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18 | #include <Prs2d_Flatness.ixx> |
19 | |
20 | Prs2d_Flatness::Prs2d_Flatness( const Handle(Graphic2d_GraphicObject)& aGO, |
21 | const Standard_Real aX, |
22 | const Standard_Real aY, |
23 | const Standard_Real aLength, |
24 | const Standard_Real anAngle ) |
25 | |
26 | : Prs2d_Tolerance( aGO, aX, aY, aLength, anAngle ) |
27 | { |
28 | } |
29 | |
30 | void Prs2d_Flatness::Draw( const Handle(Graphic2d_Drawer)& aDrawer ) { |
31 | |
32 | Standard_Boolean IsIn = Standard_False; |
33 | |
34 | if ( !myGOPtr->IsTransformed() ) |
35 | IsIn = aDrawer->IsIn( myMinX, myMaxX, myMinY, myMaxY ); |
36 | else { |
37 | Standard_ShortReal minx, miny, maxx, maxy; |
38 | MinMax( minx, maxx, miny, maxy ); |
39 | IsIn = aDrawer->IsIn( minx, maxx, miny, maxy ); |
40 | } |
41 | |
42 | if ( IsIn ) { |
43 | DrawLineAttrib( aDrawer ); |
44 | Standard_ShortReal X1 = myX - myLength/2, |
45 | Y1 = myY - myLength/2, |
46 | X4 = myX + myLength/2, |
47 | Y4 = Y1, |
48 | X2 = X1 + myLength/2, |
49 | Y2 = myY + myLength/2, |
50 | X3 = X4 + myLength/2, |
51 | Y3 = Y2; |
52 | gp_Pnt2d P1( X1, Y1 ), |
53 | P2( X2, Y2 ), |
54 | P3( X3, Y3 ), |
55 | P4( X4, Y4 ), |
56 | PR( myX, myY ); |
57 | P1.Rotate( PR, myAngle ); |
58 | P2.Rotate( PR, myAngle ); |
59 | P3.Rotate( PR, myAngle ); |
60 | P4.Rotate( PR, myAngle ); |
61 | |
62 | X1 = Standard_ShortReal( P1.X() ); |
63 | Y1 = Standard_ShortReal( P1.Y() ); |
64 | X2 = Standard_ShortReal( P2.X() ); |
65 | Y2 = Standard_ShortReal( P2.Y() ); |
66 | X3 = Standard_ShortReal( P3.X() ); |
67 | Y3 = Standard_ShortReal( P3.Y() ); |
68 | X4 = Standard_ShortReal( P4.X() ); |
69 | Y4 = Standard_ShortReal( P4.Y() ); |
70 | |
71 | if ( myGOPtr->IsTransformed () ) { |
72 | gp_GTrsf2d aTrsf = myGOPtr->Transform (); |
73 | Standard_Real a1, b1; |
74 | a1 = X1; |
75 | b1 = Y1; |
76 | aTrsf.Transforms( a1, b1 ); |
77 | X1 = Standard_ShortReal( a1 ); |
78 | Y1 = Standard_ShortReal( b1 ); |
79 | a1 = X2; |
80 | b1 = Y2; |
81 | aTrsf.Transforms( a1, b1 ); |
82 | X2 = Standard_ShortReal( a1 ); |
83 | Y2 = Standard_ShortReal( b1 ); |
84 | a1 = X3; |
85 | b1 = Y3; |
86 | aTrsf.Transforms( a1, b1 ); |
87 | X3 = Standard_ShortReal( a1 ); |
88 | Y3 = Standard_ShortReal( b1 ); |
89 | a1 = X4; |
90 | b1 = Y4; |
91 | aTrsf.Transforms( a1, b1 ); |
92 | X4 = Standard_ShortReal( a1 ); |
93 | Y4 = Standard_ShortReal( b1 ); |
94 | } |
95 | aDrawer->MapSegmentFromTo( X1, Y1, X2, Y2 ); |
96 | aDrawer->MapSegmentFromTo( X2, Y2, X3, Y3 ); |
97 | aDrawer->MapSegmentFromTo( X3, Y3, X4, Y4 ); |
98 | aDrawer->MapSegmentFromTo( X4, Y4, X1, Y1 ); |
99 | } |
100 | } |
101 | |
102 | void Prs2d_Flatness::Save(Aspect_FStream& aFStream) const |
103 | { |
104 | } |