1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
#include <Prs2d_Cylindric.ixx>
Prs2d_Cylindric::Prs2d_Cylindric( const Handle(Graphic2d_GraphicObject)& aGO,
const Standard_Real aX,
const Standard_Real aY,
const Standard_Real aLength,
const Standard_Real anAngle )
: Prs2d_Tolerance( aGO, aX, aY, aLength, anAngle )
{
}
void Prs2d_Cylindric::Draw( const Handle(Graphic2d_Drawer)& aDrawer ) {
Standard_Boolean IsIn = Standard_False;
if ( !myGOPtr->IsTransformed() )
IsIn = aDrawer->IsIn( myMinX, myMaxX, myMinY, myMaxY );
else {
Standard_ShortReal minx, miny, maxx, maxy;
MinMax( minx, maxx, miny, maxy );
IsIn = aDrawer->IsIn( minx, maxx, miny, maxy );
}
if ( IsIn ) {
DrawLineAttrib( aDrawer );
Standard_ShortReal X1 = Standard_ShortReal( myX - myLength/2 ),
Y1 = Standard_ShortReal( myY - myLength/2 ),
X4 = Standard_ShortReal( myX + myLength/2 ),
Y4 = Y1,
X2 = Standard_ShortReal( X1 + myLength/2 ),
Y2 = Standard_ShortReal( myY + myLength/2 ),
X3 = Standard_ShortReal( X4 + myLength/2 ),
Y3 = Y2;
gp_Pnt2d thePnt1( X1, Y1);
gp_Vec2d theVec( thePnt1, gp_Pnt2d( X3, Y3 ) );
theVec /= 2;
thePnt1.Translate( theVec );
Standard_ShortReal theRad = Standard_ShortReal( myLength/2*Sin(Standard_PI / 3) );
Standard_ShortReal Xc = Standard_ShortReal(thePnt1.X()),
Yc = Standard_ShortReal(thePnt1.Y());
gp_Pnt2d P1( X1, Y1 ),
P2( X2, Y2 ),
P3( X3, Y3 ),
P4( X4, Y4 ),
PC( Xc, Yc ),
PR( myX, myY );
P1.Rotate( PR, myAngle );
P2.Rotate( PR, myAngle );
P3.Rotate( PR, myAngle );
P4.Rotate( PR, myAngle );
PC.Rotate( PR, myAngle );
X1 = Standard_ShortReal( P1.X() );
Y1 = Standard_ShortReal( P1.Y() );
X2 = Standard_ShortReal( P2.X() );
Y2 = Standard_ShortReal( P2.Y() );
X3 = Standard_ShortReal( P3.X() );
Y3 = Standard_ShortReal( P3.Y() );
X4 = Standard_ShortReal( P4.X() );
Y4 = Standard_ShortReal( P4.Y() );
Xc = Standard_ShortReal( PC.X() );
Yc = Standard_ShortReal( PC.Y() );
if ( myGOPtr->IsTransformed () ) {
gp_GTrsf2d aTrsf = myGOPtr->Transform ();
Standard_Real a1, b1;
a1 = X1;
b1 = Y1;
aTrsf.Transforms( a1, b1 );
X1 = Standard_ShortReal( a1 );
Y1 = Standard_ShortReal( b1 );
a1 = X2;
b1 = Y2;
aTrsf.Transforms( a1, b1 );
X2 = Standard_ShortReal( a1 );
Y2 = Standard_ShortReal( b1 );
a1 = X3;
b1 = Y3;
aTrsf.Transforms( a1, b1 );
X3 = Standard_ShortReal( a1 );
Y3 = Standard_ShortReal( b1 );
a1 = X4;
b1 = Y4;
aTrsf.Transforms( a1, b1 );
X4 = Standard_ShortReal( a1 );
Y4 = Standard_ShortReal( b1 );
a1 = Xc;
b1 = Yc;
aTrsf.Transforms( a1, b1 );
Xc = Standard_ShortReal( a1 );
Yc = Standard_ShortReal( b1 );
}
aDrawer->MapSegmentFromTo( X1, Y1, X2, Y2 );
aDrawer->MapSegmentFromTo( X4, Y4, X3, Y3 );
aDrawer->MapArcFromTo( Xc, Yc, theRad, 0.0, Standard_ShortReal( 2. * Standard_PI ) );
}
}
void Prs2d_Cylindric::Save(Aspect_FStream& aFStream) const
{
}
|
