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#include <Prs2d_Arrow.ixx>
#include <gp_GTrsf2d.hxx>
#define VERTEXMARKER 2
#define DEFAULTMARKERSIZE 3.0
Prs2d_Arrow::Prs2d_Arrow( const Handle(Graphic2d_GraphicObject)& aGraphicObject,
const gp_Ax2d & aLocation,
const Standard_Real anAngle,
const Standard_Real aLength,
const Prs2d_TypeOfArrow theType )
: Graphic2d_Line (aGraphicObject),
myXVert( 1, 3 ),
myYVert( 1, 3 ),
myTypeOfArrow( theType )
{
gp_Pnt2d theOrigine(0.,0.);
gp_Pnt2d P1( aLocation.Location() );
gp_Dir2d AxeX( 1., 0. );
Standard_Real theAngle = AxeX.Angle( aLocation.Direction() );
theAngle += Standard_PI;
gp_Pnt2d P2( aLength, aLength*Tan( anAngle/2. ) );
gp_Pnt2d P3( aLength, -aLength*Tan( anAngle/2. ) );
P2.Rotate( theOrigine, theAngle );
P3.Rotate( theOrigine, theAngle );
P2.Translate( gp_Vec2d( theOrigine, P1 ) );
P3.Translate( gp_Vec2d( theOrigine, P1 ) );
myXVert(1) = Standard_ShortReal( P2.X() );
myYVert(1) = Standard_ShortReal( P2.Y() );
myXVert(2) = Standard_ShortReal( P1.X() );
myYVert(2) = Standard_ShortReal( P1.Y() );
myXVert(3) = Standard_ShortReal( P3.X() );
myYVert(3) = Standard_ShortReal( P3.Y() );
for ( Standard_Integer i = 1; i <= 3; i++ ) {
if ( myXVert(i) < myMinX ) myMinX = myXVert(i);
if ( myYVert(i) < myMinY ) myMinY = myYVert(i);
if ( myXVert(i) > myMaxX ) myMaxX = myXVert(i);
if ( myYVert(i) > myMaxY ) myMaxY = myYVert(i);
}
}
void Prs2d_Arrow::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 );
gp_GTrsf2d aTrsf = myGOPtr->Transform();
Standard_Real MINX, MINY, MAXX, MAXY;
MINX = Standard_Real( myMinX );
MINY = Standard_Real( myMinY );
MAXX = Standard_Real( myMaxX );
MAXY = Standard_Real( myMaxY );
aTrsf.Transforms( MINX, MINY );
aTrsf.Transforms( MAXX, MAXY );
minx = Standard_ShortReal( MINX );
miny = Standard_ShortReal( MINY );
maxx = Standard_ShortReal( MAXX );
maxy = Standard_ShortReal( MAXY );
IsIn = aDrawer->IsIn (minx,maxx,miny,maxy);
}
if ( IsIn ) {
DrawLineAttrib(aDrawer);
TShort_Array1OfShortReal Xpoint( 1, 3 );
TShort_Array1OfShortReal Ypoint( 1, 3 );
if ( myGOPtr->IsTransformed () ) {
gp_GTrsf2d aTrsf = myGOPtr->Transform ();
Standard_Real a, b;
for ( Standard_Integer j = 1; j <= 3; j++ ) {
a = Standard_Real( myXVert(j) );
b = Standard_Real( myYVert(j) );
aTrsf.Transforms (a, b);
Xpoint(j) = Standard_ShortReal (a);
Ypoint(j) = Standard_ShortReal (b);
}
}
else {
Xpoint.Assign( myXVert );
Ypoint.Assign( myYVert );
}
if( myTypeOfArrow == Prs2d_TOA_CLOSED ||
myTypeOfArrow == Prs2d_TOA_FILLED )
aDrawer->MapPolygonFromTo( Xpoint, Ypoint);
else
aDrawer->MapPolylineFromTo(Xpoint, Ypoint);
}
}
void Prs2d_Arrow::DrawElement( const Handle(Graphic2d_Drawer)& aDrawer,
const Standard_Integer anIndex) {
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 );
}
Standard_Integer nbpoints = myXVert.Length();
if ( IsIn ) {
if( anIndex > 0 ) {
Standard_ShortReal X1 = myXVert(anIndex) , Y1 = myYVert(anIndex),
X2, Y2;
if ( anIndex < nbpoints ) {
X2 = myXVert(anIndex + 1);
Y2 = myYVert(anIndex + 1);
} else if ( anIndex == nbpoints ) {
X2 = myXVert(myXVert.Lower());
Y2 = myYVert(myXVert.Lower());
} else return;
DrawLineAttrib( aDrawer );
if ( myGOPtr->IsTransformed() ) {
gp_GTrsf2d aTrsf = myGOPtr->Transform();
Standard_Real A, B;
A = Standard_Real( X1 );
B = Standard_Real( Y1 );
aTrsf.Transforms( A, B );
X1 = Standard_ShortReal( A );
Y1 = Standard_ShortReal( B );
A = Standard_Real( X2 );
B = Standard_Real( Y2 );
aTrsf.Transforms( A, B );
X2 = Standard_ShortReal( A );
Y2 = Standard_ShortReal( B );
} // end if is transformed
aDrawer->MapSegmentFromTo( X1, Y1, X2, Y2 );
}
} // end if is in
}
void Prs2d_Arrow::DrawVertex( const Handle(Graphic2d_Drawer)& aDrawer,
const Standard_Integer anIndex ) {
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 );
}
Standard_Integer nbpoints = myXVert.Length();
if ( IsIn ) {
if ( anIndex > 0 && anIndex <= nbpoints ) {
Standard_ShortReal X,Y;
DrawMarkerAttrib( aDrawer );
if ( myGOPtr->IsTransformed() ) {
gp_GTrsf2d aTrsf = myGOPtr->Transform ();
Standard_Real A, B;
A = Standard_Real( myXVert(anIndex) );
B = Standard_Real( myYVert(anIndex) );
aTrsf.Transforms( A, B );
X = Standard_ShortReal( A );
Y = Standard_ShortReal( B );
} else {
X = Standard_ShortReal( myXVert(anIndex) );
Y = Standard_ShortReal( myYVert(anIndex) );
}
aDrawer->MapMarkerFromTo( VERTEXMARKER, X, Y,
DEFAULTMARKERSIZE, DEFAULTMARKERSIZE, 0.0);
}
}
}
Standard_Boolean Prs2d_Arrow::Pick( const Standard_ShortReal X,
const Standard_ShortReal Y,
const Standard_ShortReal aPrecision,
const Handle(Graphic2d_Drawer)& /*aDrawer*/ ) {
Standard_ShortReal SRX = X, SRY = Y;
Standard_Integer i, theLow = myXVert.Lower(), theUp = myXVert.Upper();;
if ( IsInMinMax( X, Y, aPrecision ) ) {
if ( myGOPtr->IsTransformed() ) {
gp_GTrsf2d aTrsf = ( myGOPtr->Transform() ).Inverted();
Standard_Real RX = Standard_Real( SRX ),
RY = Standard_Real( SRY );
aTrsf.Transforms( RX, RY );
SRX = Standard_ShortReal( RX );
SRY = Standard_ShortReal( RY );
}
for ( i = theLow; i <= theUp; i++ ) {
if ( Graphic2d_Primitive::IsOn( SRX, SRY, myXVert(i), myYVert(i), aPrecision) ) {
SetPickedIndex(-i);
return Standard_True;
} else if ( (i < theUp) && IsOn( SRX, SRY, myXVert(i), myYVert(i),
myXVert(i+1), myYVert(i+1), aPrecision ) ) {
SetPickedIndex(i);
return Standard_True;
}
}
if ( myTypeOfArrow == Prs2d_TOA_CLOSED ||
myTypeOfArrow == Prs2d_TOA_FILLED )
if ( IsOn( SRX, SRY, myXVert(theUp), myYVert(theUp),
myXVert(theLow), myYVert(theLow), aPrecision ) ) {
SetPickedIndex( theUp );
return Standard_True;
}
if ( IsIn( SRX, SRY, myXVert, myYVert, aPrecision ) ) {
SetPickedIndex(0);
return Standard_True;
}
return Standard_False;
} else
return Standard_False;
}
void Prs2d_Arrow::Save(Aspect_FStream& aFStream) const
{
}
Prs2d_TypeOfArrow Prs2d_Arrow::TypeOfArrow( ) const
{
return myTypeOfArrow;
}
const Handle(TColgp_HArray1OfPnt2d) Prs2d_Arrow::ArrayOfPnt2d( const Standard_Boolean withTrsf ) const
{
Handle(TColgp_HArray1OfPnt2d) point = new TColgp_HArray1OfPnt2d( 1, 3 );
Standard_Boolean isTrsf = ( myGOPtr->IsTransformed() && withTrsf );
gp_GTrsf2d aTrsf = myGOPtr->Transform();
Standard_Real a, b;
for ( Standard_Integer j = 1; j <= 3; j++ ) {
if( isTrsf )
{
a = Standard_Real( myXVert(j) );
b = Standard_Real( myYVert(j) );
aTrsf.Transforms (a, b);
point->SetValue( j, gp_Pnt2d(a, b) );
}
else
point->SetValue( j, gp_Pnt2d( myXVert(j), myYVert(j) ) );
}
return point;
}
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