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#include <Prs2d_Taper.ixx>
Prs2d_Taper::Prs2d_Taper( 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 )
{
myMinX = Standard_ShortReal( myX - myLength/5 );
myMinY = Standard_ShortReal( myY - myLength/2 );
myMaxX = Standard_ShortReal( myX + myLength/5 );
myMaxY = Standard_ShortReal( myY + myLength/2 );
}
void Prs2d_Taper::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 );
const Standard_Real alpha = Standard_PI / 10;
Standard_ShortReal X1 = myX - myLength/2,
Y1 = myY,
X2 = myX + myLength/2,
Y2 = myY;
gp_Pnt2d P1( X2, Y2 );
gp_Vec2d V1( P1, gp_Pnt2d( X1, Y1 ) );
gp_Vec2d V2 = V1.Rotated( alpha );
gp_Vec2d V3 = V1.Rotated( -alpha );
V2 *= 0.88;
V3 *= 0.88;
gp_Pnt2d P2 = P1.Translated( V2 ),
P3 = P1.Translated( V3 );
Standard_ShortReal X3 = Standard_ShortReal( P2.X() ),
Y3 = Standard_ShortReal( P2.Y() ),
X4 = Standard_ShortReal( P3.X() ),
Y4 = Standard_ShortReal( P3.Y() );
gp_Pnt2d PP1( X1, Y1 ),
PP2( X2, Y2 ),
PP3( X3, Y3 ),
PP4( X4, Y4 ),
PPR( myX, myY );
PP1.Rotate( PPR, myAngle );
PP2.Rotate( PPR, myAngle );
PP3.Rotate( PPR, myAngle );
PP4.Rotate( PPR, myAngle );
X1 = Standard_ShortReal( PP1.X() );
Y1 = Standard_ShortReal( PP1.Y() );
X2 = Standard_ShortReal( PP2.X() );
Y2 = Standard_ShortReal( PP2.Y() );
X3 = Standard_ShortReal( PP3.X() );
Y3 = Standard_ShortReal( PP3.Y() );
X4 = Standard_ShortReal( PP4.X() );
Y4 = Standard_ShortReal( PP4.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 );
}
aDrawer->MapSegmentFromTo( X1, Y1, X2, Y2 );
aDrawer->MapSegmentFromTo( X2, Y2, X3, Y3 );
aDrawer->MapSegmentFromTo( X3, Y3, X4, Y4 );
aDrawer->MapSegmentFromTo( X4, Y4, X2, Y2 );
}
}
void Prs2d_Taper::Save(Aspect_FStream& aFStream) const
{
}
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