1 // Copyright (c) 1999-2012 OPEN CASCADE SAS
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
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11 // The Original Code and all software distributed under the License is
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18 #include <Prs2d_Parallelism.ixx>
20 Prs2d_Parallelism::Prs2d_Parallelism( 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 )
26 : Prs2d_Tolerance( aGO, aX, aY, aLength, anAngle )
30 void Prs2d_Parallelism::Draw( const Handle(Graphic2d_Drawer)& aDrawer ) {
32 Standard_Boolean IsIn = Standard_False;
34 if ( !myGOPtr->IsTransformed() )
35 IsIn = aDrawer->IsIn( myMinX, myMaxX, myMinY, myMaxY );
37 Standard_ShortReal minx, miny, maxx, maxy;
38 MinMax( minx, maxx, miny, maxy );
39 IsIn = aDrawer->IsIn( minx, maxx, miny, maxy );
43 DrawLineAttrib( aDrawer );
45 Standard_ShortReal X1 = myX - myLength/2,
46 Y1 = myY - myLength/2,
47 X2 = Standard_ShortReal( X1 + myLength * Cos( M_PI / 4 ) ),
48 Y2 = myY + myLength/2,
49 X3 = Standard_ShortReal(myX + myLength* Cos( M_PI / 4 ) ),
54 gp_Pnt2d P1( X1, Y1 ),
59 P1.Rotate( PR, myAngle );
60 P2.Rotate( PR, myAngle );
61 P3.Rotate( PR, myAngle );
62 P4.Rotate( PR, myAngle );
64 X1 = Standard_ShortReal( P1.X() );
65 Y1 = Standard_ShortReal( P1.Y() );
66 X2 = Standard_ShortReal( P2.X() );
67 Y2 = Standard_ShortReal( P2.Y() );
68 X3 = Standard_ShortReal( P3.X() );
69 Y3 = Standard_ShortReal( P3.Y() );
70 X4 = Standard_ShortReal( P4.X() );
71 Y4 = Standard_ShortReal( P4.Y() );
73 if ( myGOPtr->IsTransformed () ) {
74 gp_GTrsf2d aTrsf = myGOPtr->Transform ();
78 aTrsf.Transforms( a1, b1 );
79 X1 = Standard_ShortReal( a1 );
80 Y1 = Standard_ShortReal( b1 );
83 aTrsf.Transforms( a1, b1 );
84 X2 = Standard_ShortReal( a1 );
85 Y2 = Standard_ShortReal( b1 );
88 aTrsf.Transforms( a1, b1 );
89 X3 = Standard_ShortReal( a1 );
90 Y3 = Standard_ShortReal( b1 );
93 aTrsf.Transforms( a1, b1 );
94 X4 = Standard_ShortReal( a1 );
95 Y4 = Standard_ShortReal( b1 );
97 aDrawer->MapSegmentFromTo( X1, Y1, X2, Y2 );
98 aDrawer->MapSegmentFromTo( X4, Y4, X3, Y3 );
103 void Prs2d_Parallelism::Save(Aspect_FStream& aFStream) const