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/*=====================================================================
FONCTION :
----------
Classe Graphic2d_SetOfPolylines
TEST :
------
Voir TestG2D/TestG21
=====================================================================*/
// PRO13369 //GG_280498
// MapPolylineFromTo() should be called with exact number of points
#define G002 //GG_140400 Use SetPickedIndex method
#include <Graphic2d_SetOfPolylines.ixx>
#include <Graphic2d_Vertex.hxx>
#include <Graphic2d_HSequenceOfVertex.hxx>
Graphic2d_SetOfPolylines::Graphic2d_SetOfPolylines (
const Handle(Graphic2d_GraphicObject)& aGraphicObject)
: Graphic2d_Line (aGraphicObject) {
}
void Graphic2d_SetOfPolylines::Add( const Standard_Real X,
const Standard_Real Y,
const Standard_Boolean NewPolyline ) {
Standard_Integer n = myPolylines.Length();
Standard_ShortReal x = Standard_ShortReal( X ),
y = Standard_ShortReal( Y );
Graphic2d_Vertex V( x, y );
if( NewPolyline || (n == 0) ) {
Handle(Graphic2d_HSequenceOfVertex) P =
new Graphic2d_HSequenceOfVertex();
P->Append(V);
myPolylines.Append(P);
} else {
Handle(Graphic2d_HSequenceOfVertex) P = myPolylines.Last();
if( !V.IsEqual(P->Value(P->Length())) ) {
P->Append(V);
}
}
myMinX = Min(myMinX,x);
myMinY = Min(myMinY,y);
myMaxX = Max(myMaxX,x);
myMaxY = Max(myMaxY,y);
}
void Graphic2d_SetOfPolylines::Add( const Standard_Real X1,
const Standard_Real Y1,
const Standard_Real X2,
const Standard_Real Y2 ) {
Standard_ShortReal x1 = Standard_ShortReal( X1 ),
y1 = Standard_ShortReal( Y1 ),
x2 = Standard_ShortReal( X2 ),
y2 = Standard_ShortReal( Y2 );
Graphic2d_Vertex V1( x1, y1 ),
V2( x2, y2 );
Standard_Integer np = myPolylines.Length();
if( !V1.IsEqual(V2) ) {
if( np == 0 ) {
Handle(Graphic2d_HSequenceOfVertex) P =
new Graphic2d_HSequenceOfVertex();
if( (x1 > x2) || (y1 > y2) ) {
V1.SetCoord(x2,y2); // seg orientation
V2.SetCoord(x1,y1);
}
P->Append(V1); P->Append(V2);
myPolylines.Append(P);
} else { // Try to build a polyline
// Warning,take an aspirine before continue reading...
Handle(Graphic2d_HSequenceOfVertex) P,PP;
Standard_Integer ip,ipp,lv;
for( ip=np ; ip>0 ; ip-- ) {
P = myPolylines.Value(ip);//ref line to check
lv = P->Length(); //number of vertex in the ref line
if( V1.IsEqual(P->Value(lv)) ) {
//first vertex of segment is the same that the last vertex of the
//ref line
if( ip > 1 ) { //Try to concatenate ref line with others
for( ipp=1 ; ipp<ip ; ipp++ ) {
PP = myPolylines.Value(ipp); //other polyline
if( V2.IsEqual(PP->Value(1)) ) {
PP->Prepend(P); // Move the ref line before this
myPolylines.Remove(ip); // and destroy the ref line
ip = -1; break;
} else if( V2.IsEqual(PP->Value(PP->Length())) ) {
P->Reverse();
PP->Append(P); // Reverse & Move the ref line after this
myPolylines.Remove(ip); // and destroy the ref line
ip = -1; break;
}
}
}
if( ip > 0 ) {
P->Append(V2); // Append new vertex to ref line
ip = -1;
}
} else if( V2.IsEqual(P->Value(lv)) ) {
//second vertex of segment is the same that the last vertex of the
//ref line
if( ip > 1 ) { //Try to concatenate ref line with others
for( ipp=1 ; ipp<ip ; ipp++ ) {
PP = myPolylines.Value(ipp); //other polyline
if( V1.IsEqual(PP->Value(1)) ) {
PP->Prepend(P); // Move the ref line before this
myPolylines.Remove(ip); // and destroy the ref line
ip = -1; break;
} else if( V1.IsEqual(PP->Value(PP->Length())) ) {
P->Reverse();
PP->Append(P); // Reverse & Move the ref line after this
myPolylines.Remove(ip); // and destroy the ref line
ip = -1; break;
}
}
}
if( ip > 0 ) {
P->Append(V1); // Append new vertex to ref line
ip = -1;
}
} else if( V1.IsEqual(P->Value(1)) ) {
//first vertex of segment is the same that the first vertex of the
//ref line
if( ip > 1 ) { //Try to concatenate ref line with others
for( ipp=1 ; ipp<ip ; ipp++ ) {
PP = myPolylines.Value(ipp); //other polyline
if( V2.IsEqual(PP->Value(PP->Length())) ) {
P->Prepend(PP); // Move this line before the ref line
myPolylines.Remove(ipp); // and destroy this line
ip = -1; break;
} else if( V2.IsEqual(PP->Value(1)) ) {
PP->Reverse();
P->Prepend(PP); // Reverse & Move this line before the ref line
myPolylines.Remove(ipp); // and destroy this line
ip = -1; break;
}
}
}
if( ip > 0 ) {
P->Prepend(V2); // Prepend new vertex to ref line
ip = -1;
}
} else if( V2.IsEqual(P->Value(1)) ) {
//second vertex of segment is the same that the first vertex of the
//ref line
if( ip > 1 ) { //Try to concatenate ref line with others
for( ipp=1 ; ipp<ip ; ipp++ ) {
PP = myPolylines.Value(ipp); //other polyline
if( V1.IsEqual(PP->Value(PP->Length())) ) {
P->Prepend(PP); // Move this line before the ref line
myPolylines.Remove(ipp); // and destroy this line
ip = -1; break;
} else if( V1.IsEqual(PP->Value(1)) ) {
PP->Reverse();
P->Prepend(PP); // Reverse & Move this line before the ref line
myPolylines.Remove(ipp); // and destroy this line
ip = -1; break;
}
}
}
if( ip > 0 ) {
P->Prepend(V1); // Append new vertex to ref line
ip = -1;
}
}
}
//create new line
if( ip >= 0 ) {
Handle(Graphic2d_HSequenceOfVertex) P =
new Graphic2d_HSequenceOfVertex();
if( (x1 > x2) || (y1 > y2) ) {
V1.SetCoord(x2,y2); // seg orientation
V2.SetCoord(x1,y1);
}
P->Append(V1);
P->Append(V2);
myPolylines.Append(P);
}
}
myMinX = Min(myMinX,Min(x1,x2));
myMinY = Min(myMinY,Min(y1,y2));
myMaxX = Max(myMaxX,Max(x1,x2));
myMaxY = Max(myMaxY,Max(y1,y2));
}
}
Standard_Integer Graphic2d_SetOfPolylines::Length () const {
return myPolylines.Length();
}
Standard_Integer Graphic2d_SetOfPolylines::Length (const Standard_Integer aPrank) const {
if( aPrank < 1 || aPrank > Length() )
Standard_OutOfRange::Raise
("the polyline rank is out of bounds in the set");
return myPolylines.Value(aPrank)->Length();
}
void Graphic2d_SetOfPolylines::Values( const Standard_Integer aPrank,
const Standard_Integer aVrank,
Standard_Real &X,
Standard_Real &Y ) const {
if( aPrank < 1 || aPrank > Length() )
Standard_OutOfRange::Raise
("the polyline rank is out of bounds in the set");
if( aVrank < 1 || aVrank > Length(aPrank) )
Standard_OutOfRange::Raise
("the point rank is out of bounds in the polyline");
Graphic2d_Vertex V = myPolylines.Value(aPrank)->Value(aVrank);
X = V.X(); Y = V.Y();
}
void Graphic2d_SetOfPolylines::Draw (const Handle(Graphic2d_Drawer)& aDrawer) {
Standard_Integer np = myPolylines.Length();
Standard_Boolean IsIn = Standard_False,transform = Standard_False;
if( np <= 0 ) return;
if (! myGOPtr->IsTransformed ())
IsIn = aDrawer->IsIn (myMinX,myMaxX,myMinY,myMaxY);
else {
transform = Standard_True;
Standard_ShortReal minx, miny, maxx, maxy;
MinMax(minx,maxx,miny,maxy);
IsIn = aDrawer->IsIn (minx,maxx,miny,maxy);
}
if ( IsIn ) {
static gp_GTrsf2d theTrsf;
Handle(Graphic2d_HSequenceOfVertex) P;
Standard_Real A, B;
Standard_ShortReal x1,y1,x2,y2;
Standard_Integer ip,lp,iv;
DrawLineAttrib(aDrawer);
if( transform ) theTrsf = myGOPtr->Transform ();
for( ip=1 ; ip<=np ; ip++ ) {
P = myPolylines.Value(ip);
lp = P->Length();
if( lp > 2 ) {
P->Value(1).Coord(A,B);
if( transform ) theTrsf.Transforms(A,B);
x1 = Standard_ShortReal( A );
y1 = Standard_ShortReal( B );
aDrawer->MapPolylineFromTo(x1,y1,lp);
for( iv=2 ; iv<lp ; iv++ ) {
P->Value(iv).Coord(A,B);
if( transform ) theTrsf.Transforms(A,B);
x1 = Standard_ShortReal( A );
y1 = Standard_ShortReal( B );
aDrawer->MapPolylineFromTo(x1,y1,0);
}
P->Value(lp).Coord(A,B);
if( transform ) theTrsf.Transforms(A,B);
x1 = Standard_ShortReal( A );
y1 = Standard_ShortReal( B );
aDrawer->MapPolylineFromTo(x1,y1,-1);
} else if( lp > 1 ) {
P->Value(1).Coord(A,B);
if( transform ) theTrsf.Transforms(A,B);
x1 = Standard_ShortReal( A );
y1 = Standard_ShortReal( B );
P->Value(2).Coord(A,B);
if( transform ) theTrsf.Transforms(A,B);
x2 = Standard_ShortReal( A );
y2 = Standard_ShortReal( B );
aDrawer->MapSegmentFromTo(x1,y1,x2,y2);
}
}
}
}
Standard_Boolean Graphic2d_SetOfPolylines::Pick (const Standard_ShortReal X,
const Standard_ShortReal Y,
const Standard_ShortReal aPrecision,
const Handle(Graphic2d_Drawer)& aDrawer)
{
Standard_Integer np = myPolylines.Length();
Standard_ShortReal SRX = X, SRY = Y;
if ( (np > 0) && IsInMinMax (X, Y, aPrecision)) {
if (myGOPtr->IsTransformed ()) {
gp_GTrsf2d theTrsf((myGOPtr->Transform ()).Inverted ());
Standard_Real RX = Standard_Real (SRX), RY = Standard_Real (SRY);
theTrsf.Transforms (RX, RY);
SRX = Standard_ShortReal (RX); SRY = Standard_ShortReal (RY);
}
Handle(Graphic2d_HSequenceOfVertex) P;
Standard_Integer ip,iv=0,lp;
Standard_ShortReal x1,y1,x2,y2;
Standard_Real A,B;
for( ip=1 ; ip<=np ; ip++ ) {
P = myPolylines.Value(ip);
lp = P->Length();
if( lp > 1 ) {
for( iv=1 ; iv<lp ; iv++ ) {
P->Value(iv).Coord(A,B);
x1 = Standard_ShortReal( A );
y1 = Standard_ShortReal( B );
P->Value(iv+1).Coord(A,B);
x2 = Standard_ShortReal( A );
y2 = Standard_ShortReal( B );
if (IsOn (SRX, SRY, x1, y1, x2, y2, aPrecision) ) {
#ifdef G002
SetPickedIndex((ip << 16) | iv);
#else
myPickedIndex = (ip << 16) | iv;
#endif
return Standard_True;
}
}
}
}
return Standard_False;
}
return Standard_False;
}
void Graphic2d_SetOfPolylines::Save(Aspect_FStream& aFStream) const
{
}
|
