+ double r = theColor.red() / 255.0;
+ double g = theColor.green() / 255.0;
+ double b = theColor.blue() / 255.0;
+
+ return Quantity_Color( r, g, b, Quantity_TOC_RGB );
+}
+
+QColor HYDROData_Tool::toQtColor( const Quantity_Color& theColor )
+{
+ int r = 255 * theColor.Red();
+ int g = 255 * theColor.Green();
+ int b = 255 * theColor.Blue();
+ return QColor( r, g, b );
+}
+
+std::ostream& operator<<( std::ostream& theStream, const QString& theText )
+{
+ theStream << theText.toStdString();
+ return theStream;
+}
+
+std::ostream& operator<<( std::ostream& theStream, const QColor& theColor )
+{
+ theStream << "[" << theColor.red() << ", " << theColor.green() << ", " << theColor.blue() << "]";
+ return theStream;
+}
+
+std::ostream& operator<<( std::ostream& theStream, const TopoDS_Shape& theShape )
+{
+ theStream << "[" << theShape.TShape().operator->() << "]";
+ return theStream;
+}
+
+std::ostream& operator<<( std::ostream& theStream, const TopoDS_Face& theFace )
+{
+ theStream << "[" << theFace.TShape().operator->() << "]";
+ return theStream;
+}
+
+std::ostream& operator<<( std::ostream& theStream, const gp_XY& theXY )
+{
+ theStream << "(" << theXY.X() << "; " << theXY.Y() << ")";
+ return theStream;
+}
+
+bool operator == ( const gp_XY& thePoint1, const gp_XY& thePoint2 )
+{
+ const double EPS = 1E-3;
+ return
+ fabs( thePoint1.X() - thePoint2.X() ) < EPS &&
+ fabs( thePoint1.Y() - thePoint2.Y() ) < EPS;
+