1 // Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
22 // SMESH SMESHGUI : GUI for SMESH component
23 // File : SMESHGUI_PatternWidget.cxx
24 // Author : Michael ZORIN
28 #include "SMESHGUI_PatternWidget.h"
35 //=================================================================================
36 // class : SMESHGUI_PatternWidget()
38 //=================================================================================
39 SMESHGUI_PatternWidget::SMESHGUI_PatternWidget (QWidget* parent, const char* name, WFlags fl)
40 : QFrame(parent, name, WStyle_Customize)
42 myMinU = myMinV = myMaxU = myMaxV = 0;
43 setMinimumHeight(150);
47 //=================================================================================
48 // function : ~SMESHGUI_PatternWidget()
50 //=================================================================================
51 SMESHGUI_PatternWidget::~SMESHGUI_PatternWidget()
55 //=================================================================================
56 // function : SetPoints()
58 //=================================================================================
59 void SMESHGUI_PatternWidget::SetPoints (PointVector thePoints,
60 QValueVector<int> theKeys,
61 ConnectivityVector theConnections)
65 myConnections = theConnections;
67 if (!thePoints.size())
70 myMinU = myMaxU = (thePoints[0]).x;
71 myMinV = myMaxV = (thePoints[0]).y;
74 for (int i = 1; i < thePoints.size(); i++) {
91 static const int Shift = 4; // shift of the point number from point
92 static const int Border = 20;
94 //=================================================================================
95 // function : paintEvent()
97 //=================================================================================
98 void SMESHGUI_PatternWidget::paintEvent (QPaintEvent*)
100 QPainter paint (this);
101 paint.setBrush(Qt::SolidPattern);
104 const int aRadius = 3; // radius of a point
106 for (int i = 0; i < myKeys.size() && i < myPoints.size(); i++) {
107 SMESH::PointStruct aPoint = myPoints[ myKeys[i] ];
108 QPoint aQPnt = MapCoords(aPoint.x, aPoint.y);
110 paint.drawPie(aQPnt.x() - aRadius, aQPnt.y() - aRadius, aRadius*2, aRadius*2, 5760, 5760);
111 paint.drawText(aQPnt.x() + Shift, aQPnt.y() - Shift, QString::number(i+1));
115 for (int i = 0; i < myConnections.size(); i++) {
116 QValueVector<int> aCVector = myConnections[i];
118 if (aCVector.size() == 0)
121 SMESH::PointStruct aPoint = myPoints[ aCVector[0] ];
122 const QPoint aBeginPnt = MapCoords(aPoint.x, aPoint.y);
123 QPoint aFirstPnt = aBeginPnt, aSecondPnt;
125 for (int j = 1; j < aCVector.size(); j++) {
126 aPoint = myPoints[ aCVector[j] ];
127 aSecondPnt = MapCoords(aPoint.x, aPoint.y);
128 paint.drawLine(aFirstPnt, aSecondPnt);
129 aFirstPnt = aSecondPnt;
132 paint.drawLine(aBeginPnt, aSecondPnt);
136 //=================================================================================
137 // function : MapCoords()
139 //=================================================================================
140 QPoint SMESHGUI_PatternWidget::MapCoords (const double u, const double v)
142 int aWidth = width() - 2*Border;
143 int aHeight = height() - 2*Border;
145 double aUBound = myMaxU - myMinU;
146 double aVBound = myMaxV - myMinV;
148 double aUScale = aWidth/aUBound;
149 double aVScale = aHeight/aVBound;
152 aUScale <= aVScale ? aScale = aUScale : aScale = aVScale;
154 double aUMiddle = (myMaxU + myMinU)/2;
155 double aVMiddle = (myMaxV + myMinV)/2;
157 int x = int(aWidth/2 + (u - aUMiddle)*aScale + Border - Shift);
159 int y = int(aHeight/2 + (aVMiddle - v)*aScale + Border + Shift);
161 QPoint aPoint = QPoint(x, y);