X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSMESHGUI%2FSMESHGUI_PatternWidget.cxx;fp=src%2FSMESHGUI%2FSMESHGUI_PatternWidget.cxx;h=80614980c442c934e3e7d53b14751914cde60d12;hb=e4737e85f0da6d3f90fd08f6be1c2825195fe16f;hp=0000000000000000000000000000000000000000;hpb=51569f091c2d18be76ea9bd3e68ca0247cc731c3;p=modules%2Fsmesh.git

diff --git a/src/SMESHGUI/SMESHGUI_PatternWidget.cxx b/src/SMESHGUI/SMESHGUI_PatternWidget.cxx
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+++ b/src/SMESHGUI/SMESHGUI_PatternWidget.cxx
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+//  SMESH SMESHGUI : GUI for SMESH component
+//
+//  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS 
+// 
+//  This library is free software; you can redistribute it and/or 
+//  modify it under the terms of the GNU Lesser General Public 
+//  License as published by the Free Software Foundation; either 
+//  version 2.1 of the License. 
+// 
+//  This library is distributed in the hope that it will be useful, 
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of 
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
+//  Lesser General Public License for more details. 
+// 
+//  You should have received a copy of the GNU Lesser General Public 
+//  License along with this library; if not, write to the Free Software 
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA 
+// 
+//  See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org 
+//
+//
+//
+//  File   : SMESHGUI_PatternWidget.cxx
+//  Author : Michael ZORIN
+//  Module : SMESH
+//  $Header: 
+
+#include "SMESHGUI_PatternWidget.h"
+
+//Qt includes
+#include <qpainter.h>
+#include <qpoint.h>
+
+
+//=================================================================================
+// class    : SMESHGUI_PatternWidget()
+// purpose  : 
+//=================================================================================
+SMESHGUI_PatternWidget::SMESHGUI_PatternWidget( QWidget* parent, const char* name, WFlags fl )
+                                  : QFrame( parent, name, WStyle_Customize)
+{
+  myMinU =  myMinV =  myMaxU =  myMaxV = 0;
+  setMinimumHeight(150);
+  repaint();
+}
+
+
+
+//=================================================================================
+// function : ~SMESHGUI_PatternWidget()
+// purpose  : 
+//=================================================================================
+SMESHGUI_PatternWidget::~SMESHGUI_PatternWidget()
+{
+}
+
+
+//=================================================================================
+// function : SMESHGUI_PatternWidget::SetPoints
+// purpose  : 
+//=================================================================================
+void SMESHGUI_PatternWidget::SetPoints( PointVector thePoints,  QValueVector<int> theKeys, ConnectivityVector theConnections )
+{
+  myPoints = thePoints;
+  myKeys = theKeys;
+  myConnections  = theConnections;
+  
+  if (!thePoints.size())
+    return;
+  
+  myMinU = myMaxU = (thePoints[0]).x;
+  myMinV = myMaxV = (thePoints[0]).y;
+  double x, y;
+  
+  for (int i = 1; i < thePoints.size(); i++)
+    {
+      x = (thePoints[i]).x;
+      y = (thePoints[i]).y;
+      
+      if ( myMinU > x )
+	myMinU = x;
+      if ( myMaxU < x)
+	myMaxU = x;
+      if ( myMinV > y )
+	myMinV = y;
+      if ( myMaxV < y)
+	myMaxV = y;
+    }
+  
+  repaint();
+}
+
+static const int Shift  = 4; // shift of the point number from point
+static const int Border = 20;
+
+//=================================================================================
+// function : SMESHGUI_PatternWidget::paintEvent
+// purpose  : 
+//=================================================================================
+void SMESHGUI_PatternWidget::paintEvent( QPaintEvent * )
+{
+  QPainter paint( this );
+  paint.setBrush (Qt::SolidPattern ); 
+
+  //Draw points
+  const int aRadius = 3; // radius of a point
+  
+  for (int i = 0; i < myKeys.size() && i < myPoints.size(); i++)
+    {
+      SMESH::PointStruct aPoint = myPoints[ myKeys[i] ];
+      QPoint aQPnt = MapCoords( aPoint.x, aPoint.y);
+      
+      paint.drawPie( aQPnt.x() - aRadius, aQPnt.y() - aRadius, aRadius*2, aRadius*2, 5760, 5760 );
+      paint.drawText( aQPnt.x() +  Shift, aQPnt.y() -   Shift, QString::number( i+1 ) );
+    }
+  
+  //Draw lines
+  for (int i = 0; i < myConnections.size(); i++)
+    {
+      QValueVector<int> aCVector = myConnections[i];
+
+      if ( aCVector.size() == 0 )
+        continue;
+      
+      SMESH::PointStruct aPoint = myPoints[ aCVector[0] ];
+      const QPoint aBeginPnt = MapCoords( aPoint.x, aPoint.y);
+      QPoint aFirstPnt = aBeginPnt, aSecondPnt;  
+      
+      for (int j = 1; j < aCVector.size(); j++)
+	{
+	  aPoint = myPoints[ aCVector[j] ];
+	  aSecondPnt = MapCoords( aPoint.x, aPoint.y);
+	  paint.drawLine(aFirstPnt, aSecondPnt);
+	  aFirstPnt = aSecondPnt;
+	}
+      
+      paint.drawLine(aBeginPnt, aSecondPnt);
+    }
+}
+
+
+//=================================================================================
+// function : SMESHGUI_PatternWidget::MapCoords
+// purpose  : 
+//=================================================================================
+QPoint SMESHGUI_PatternWidget::MapCoords( const double u, const double v )
+{
+  int aWidth  = width()  - 2*Border;
+  int aHeight = height() - 2*Border;
+
+  double aUBound = myMaxU - myMinU;
+  double aVBound = myMaxV - myMinV;
+  
+  double aUScale = aWidth/aUBound;
+  double aVScale = aHeight/aVBound;
+  
+  double aScale;
+  aUScale <= aVScale ? aScale = aUScale : aScale = aVScale;
+
+  double aUMiddle = ( myMaxU + myMinU )/2;
+  double aVMiddle = ( myMaxV + myMinV )/2;
+  
+  int x = int(  aWidth/2  + (u - aUMiddle)*aScale + Border - Shift);
+  
+  int y = int(  aHeight/2 + (aVMiddle - v)*aScale + Border + Shift);
+  
+  QPoint aPoint = QPoint(x, y);
+  
+  return aPoint;
+}