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// WTO0001 GG_140596
// Calcul des min-max faux apres transformation.
#define G002 //GG_140400 Use SetPickedIndex() method
// GG_050500 Add new DrawElement(), DrawVertex() methods
// Returns a negative picked index when the point
// is very closed to a polyline point.
#define VERTEXMARKER 2
#define DEFAULTMARKERSIZE 3.0
#include <Graphic2d_Polyline.ixx>
#include <Graphic2d_Vertex.hxx>
#include <TShort_Array1OfShortReal.hxx>
Graphic2d_Polyline::Graphic2d_Polyline (
const Handle(Graphic2d_GraphicObject)& aGraphicObject,
const Graphic2d_Array1OfVertex& aListVertex)
: Graphic2d_Line (aGraphicObject),
myX (1, aListVertex.Length ()),
myY (1, aListVertex.Length ()) {
if (aListVertex.Length () < 2)
Graphic2d_PolylineDefinitionError::Raise
("A polyline with a length less than 2 points.");
Standard_ShortReal X, Y;
Standard_Integer i, j;
// Recherche des MinMax
Standard_Integer Lower, Upper;
Lower = aListVertex.Lower ();
Upper = aListVertex.Upper ();
for (j=1, i=Lower; i<=Upper; i++, j++) {
X = Standard_ShortReal(aListVertex (i).X ());
Y = Standard_ShortReal(aListVertex (i).Y ());
myX (j) = X;
myY (j) = Y;
if (X > myMaxX) myMaxX = X;
if (X < myMinX) myMinX = X;
if (Y > myMaxY) myMaxY = Y;
if (Y < myMinY) myMinY = Y;
}
myNumOfElem = myX.Length()-1;
myNumOfVert = myX.Length();
}
Graphic2d_Polyline::Graphic2d_Polyline (
const Handle(Graphic2d_GraphicObject)& aGraphicObject,
const TColStd_Array1OfReal& aListX,
const TColStd_Array1OfReal& aListY)
: Graphic2d_Line (aGraphicObject),
myX (1, aListX.Length ()),
myY (1, aListY.Length ()) {
if (aListX.Length () < 2)
Graphic2d_PolylineDefinitionError::Raise
("polyline : length < 2.");
if (aListX.Length () != aListY.Length ())
Graphic2d_PolylineDefinitionError::Raise
("polyline : ListX and ListY have different lengths.");
Standard_ShortReal X, Y;
Standard_Integer i, j;
// Recherche des MinMax
Standard_Integer Lower, Upper;
Lower = aListX.Lower ();
Upper = aListX.Upper ();
for (j=1, i=Lower; i<=Upper; i++, j++) {
X = Standard_ShortReal(aListX (i));
Y = Standard_ShortReal(aListY (i));
myX (j) = X;
myY (j) = Y;
if (X > myMaxX) myMaxX = X;
if (X < myMinX) myMinX = X;
if (Y > myMaxY) myMaxY = Y;
if (Y < myMinY) myMinY = Y;
}
myNumOfElem = myX.Length()-1;
myNumOfVert = myX.Length();
}
Standard_Integer Graphic2d_Polyline::Length () const {
return myX.Length();
}
void Graphic2d_Polyline::Values( const Standard_Integer aRank,
Standard_Real &X,Standard_Real &Y ) const
{
if( aRank < 1 || aRank > myX.Length() )
Standard_OutOfRange::Raise
("the point rank is out of bounds in the line");
X = myX(aRank);
Y = myY(aRank);
}
void Graphic2d_Polyline::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);
if (myGOPtr->IsTransformed ()) {
Standard_Integer nbpoints = myX.Length ();
TShort_Array1OfShortReal Xpoint (1, nbpoints);
TShort_Array1OfShortReal Ypoint (1, nbpoints);
gp_GTrsf2d aTrsf = myGOPtr->Transform ();
Standard_Real A, B;
for (Standard_Integer j=1; j<= nbpoints; j++) {
A = Standard_Real (myX(j));
B = Standard_Real (myY(j));
aTrsf.Transforms (A, B);
Xpoint(j) = Standard_ShortReal (A);
Ypoint(j) = Standard_ShortReal (B);
}
if ( myTypeOfPolygonFilling == Graphic2d_TOPF_EMPTY ) {
aDrawer->MapPolylineFromTo(Xpoint, Ypoint);
} else {
aDrawer->MapPolygonFromTo(Xpoint, Ypoint);
}
} else {
if(myTypeOfPolygonFilling == Graphic2d_TOPF_EMPTY) {
aDrawer->MapPolylineFromTo(myX, myY);
} else {
aDrawer->MapPolygonFromTo(myX, myY);
}
}
}
}
#ifdef G002
void Graphic2d_Polyline::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 = myX.Length ();
if (IsIn ) {
if( anIndex > 0 && anIndex < nbpoints ) { //Draw edge
Standard_ShortReal X1,Y1,X2,Y2;
DrawLineAttrib (aDrawer);
if (myGOPtr->IsTransformed ()) {
gp_GTrsf2d aTrsf = myGOPtr->Transform ();
Standard_Real A, B;
A = Standard_Real (myX(anIndex));
B = Standard_Real (myY(anIndex));
aTrsf.Transforms (A, B);
X1 = Standard_ShortReal (A);
Y1 = Standard_ShortReal (B);
A = Standard_Real (myX(anIndex+1));
B = Standard_Real (myY(anIndex+1));
aTrsf.Transforms (A, B);
X2 = Standard_ShortReal (A);
Y2 = Standard_ShortReal (B);
} else {
X1 = Standard_ShortReal (myX(anIndex));
Y1 = Standard_ShortReal (myY(anIndex));
X2 = Standard_ShortReal (myX(anIndex+1));
Y2 = Standard_ShortReal (myY(anIndex+1));
}
aDrawer->MapSegmentFromTo(X1,Y1,X2,Y2);
}
}
}
void Graphic2d_Polyline::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 = myX.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 (myX(anIndex));
B = Standard_Real (myY(anIndex));
aTrsf.Transforms (A, B);
X = Standard_ShortReal (A);
Y = Standard_ShortReal (B);
} else {
X = Standard_ShortReal (myX(anIndex));
Y = Standard_ShortReal (myY(anIndex));
}
aDrawer->MapMarkerFromTo(VERTEXMARKER,X,Y,
DEFAULTMARKERSIZE,DEFAULTMARKERSIZE,0.0);
}
}
}
#endif
Standard_Boolean Graphic2d_Polyline::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;
Standard_Integer Lower, Upper;
Lower = myX.Lower ();
Upper = myX.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);
}
#ifdef G002
for ( i = Lower; i <= Upper; i++ ) {
if( Graphic2d_Primitive::IsOn ( SRX, SRY, myX (i), myY (i), aPrecision) ) {
SetPickedIndex(-i);
return Standard_True;
} else if( (i < Upper) && IsOn (SRX, SRY, myX (i), myY (i),
myX (i+1), myY (i+1), aPrecision) ) {
SetPickedIndex(i);
return Standard_True;
}
}
#else
for (i=Lower; i<Upper ; i++) {
if( IsOn (SRX, SRY, myX (i), myY (i),
myX (i+1), myY (i+1), aPrecision) ) {
myPickedIndex = i;
return Standard_True;
}
}
#endif
if (myTypeOfPolygonFilling != Graphic2d_TOPF_EMPTY) {
if ( IsIn (SRX , SRY , myX , myY , aPrecision) ) {
#ifdef G002
SetPickedIndex(0);
#else
myPickedIndex = 0;
#endif
return Standard_True;
}
}
}
return Standard_False;
}
void Graphic2d_Polyline::Save(Aspect_FStream& aFStream) const
{
*aFStream << "Graphic2d_Polyline" << endl;
*aFStream << myNumOfVert << endl;
for (Standard_Integer i=1; i<=myNumOfVert; i++)
*aFStream << myX(i) << ' ' << myY(i) << endl;
Graphic2d_Line::Save(aFStream);
}
void Graphic2d_Polyline::Retrieve(Aspect_IFStream& anIFStream,
const Handle(Graphic2d_GraphicObject)& aGraphicObject)
{
Standard_Integer numOfVert;
Standard_ShortReal X, Y;
*anIFStream >> numOfVert;
Graphic2d_Array1OfVertex listVertex(1, numOfVert);
for (Standard_Integer i=1; i<=numOfVert; i++)
{
*anIFStream >> X >> Y;
listVertex(i).SetCoord(X, Y);
}
Handle(Graphic2d_Polyline)
thePLin = new Graphic2d_Polyline(aGraphicObject, listVertex);
((Handle (Graphic2d_Line))thePLin)->Retrieve(anIFStream);
}
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