Added missing files

git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@14049 383ad7c9-94d9-4d36-a494-682f7c89f535

QwtFunctionPlot.cc

+/*===========================================================================*\
+*                                                                            *
+*                              OpenFlipper                                   *
+*      Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen       *
+*                           www.openflipper.org                              *
+*                                                                            *
+*--------------------------------------------------------------------------- *
+*  This file is part of OpenFlipper.                                         *
+*                                                                            *
+*  OpenFlipper 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 3 of            *
+*  the License, or (at your option) any later version with the               *
+*  following exceptions:                                                     *
+*                                                                            *
+*  If other files instantiate templates or use macros                        *
+*  or inline functions from this file, or you compile this file and          *
+*  link it with other files to produce an executable, this file does         *
+*  not by itself cause the resulting executable to be covered by the         *
+*  GNU Lesser General Public License. This exception does not however        *
+*  invalidate any other reasons why the executable file might be             *
+*  covered by the GNU Lesser General Public License.                         *
+*                                                                            *
+*  OpenFlipper 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 LesserGeneral Public           *
+*  License along with OpenFlipper. If not,                                   *
+*  see <http://www.gnu.org/licenses/>.                                       *
+*                                                                            *
+\*===========================================================================*/
+
+/*===========================================================================*\
+*                                                                            *
+*   $Revision: 13770 $                                                       *
+*   $LastChangedBy: moebius $                                                *
+*   $Date: 2012-02-13 16:19:41 +0100 (Mo, 13. Feb 2012) $                     *
+*                                                                            *
+\*===========================================================================*/
+
+//=============================================================================
+//
+//  CLASS QtFunctionPlot - IMPLEMENTATION
+//
+//=============================================================================
+
+//== INCLUDES =================================================================
+
+#ifdef WITH_QWT
+
+#include "QwtFunctionPlot.hh"
+
+#include <iostream>
+#include <algorithm>
+
+#include <QPen>
+
+#include <qlineedit.h>
+#include <qlabel.h>
+#include <qpainter.h>
+#include <qwt_curve_fitter.h>
+#include <qwt_plot_panner.h>
+#include <qwt_symbol.h>
+#include <qwt_plot_histogram.h>
+
+#include <ACG/Utils/ColorCoder.hh>
+
+
+#include <float.h>
+#include <math.h>
+
+//== NAMESPACES ===============================================================
+
+//== IMPLEMENTATION ==========================================================
+
+
+/// Default constructor
+QwtFunctionPlot::QwtFunctionPlot(QWidget* _parent) :
+    QDialog( _parent ),
+    Ui::QwtFunctionPlotBase(),
+    plot_zoomer_(0),
+    clampMinMarker_(0),
+    minSymbol_(0),
+    clampMaxMarker_(0),
+    maxSymbol_(0),
+    min_(FLT_MAX),
+    max_(FLT_MIN)
+{
+  setupUi( this );
+
+  plot_zoomer_ = new QwtPlotZoomer( qwtPlot->canvas());
+  plot_zoomer_->initKeyPattern();
+  connect(zoomInButton, SIGNAL( clicked() ), this,SLOT( zoomIn() )  );
+  connect(zoomOutButton,SIGNAL( clicked() ), this,SLOT( zoomOut() ) );
+  connect(clampButton,  SIGNAL( clicked() ), this,SLOT( clamp() )   );
+  
+  QwtPlotPanner *panner = new QwtPlotPanner( qwtPlot->canvas() );
+  panner->setMouseButton( Qt::MidButton );
+  
+  // delete widget on close
+  setAttribute(Qt::WA_DeleteOnClose, true);
+
+  histogram_ = new Histogram();
+}
+
+//------------------------------------------------------------------------------
+
+void QwtFunctionPlot::setFunction( std::vector<double>& _values)
+{
+  values_ = _values;
+}
+
+//------------------------------------------------------------------------------
+
+void QwtFunctionPlot::zoomIn()
+{
+    emit plot_zoomer_->zoom(1);
+}
+
+//------------------------------------------------------------------------------
+
+void QwtFunctionPlot::zoomOut()
+{
+    emit plot_zoomer_->zoom(-1);
+}
+
+//------------------------------------------------------------------------------
+
+void QwtFunctionPlot::clamp()
+{
+    QRectF clamped = plot_zoomer_->zoomRect();
+    clamped.setLeft( min_ );
+    clamped.setRight( max_ );
+    emit plot_zoomer_->zoom(clamped);
+}
+
+//------------------------------------------------------------------------------
+
+void QwtFunctionPlot::replot()
+{
+  //create intervals
+  const int intervalCount = 100;
+
+  QVector<QwtIntervalSample> intervals(intervalCount);
+  std::vector< QColor > colors;
+
+  double realMin = FLT_MAX;
+  double realMax = -FLT_MAX;
+
+  for ( unsigned int i=0; i < values_.size(); i++) {
+    realMin = std::min(realMin,values_[i]);
+    realMax = std::max(realMax,values_[i]);
+  }
+
+  double pos   = realMin;
+  double width = ( realMax - realMin ) / intervalCount;
+
+  QColor lastColor = Qt::black;
+
+  ACG::ColorCoder cCoder(std::max(min_,realMin),std::min(max_,realMax));
+
+  for ( int i = 0; i < (int)intervals.size(); i++ )
+  {
+
+    intervals[i] = QwtIntervalSample(0.0,pos, pos + width);
+    pos += width;
+
+    //compute a color for the given interval
+    const double intervalCenter = pos + (width/2.0);
+
+    colors.push_back( cCoder.color_qcolor(intervalCenter) );
+    lastColor = colors.back();
+  }
+
+  // sort values into intervals
+  // Could be more efficient when we calculate the correct interval based on the above loop directly
+  for ( uint i=0; i < values_.size(); i++)
+    for ( int j = 0; j < (int)intervals.size(); j++ )
+      if ( intervals[j].interval.contains( values_[i]  ) ) {
+        intervals[j].value++;
+        break;
+      }
+
+  //get max Count for scaling the y-axis
+  double maxCount = 0;
+
+  for ( int i = 0; i < (int)intervals.size(); i++ )
+    maxCount = std::max(maxCount, intervals[i].value);
+
+
+  QwtIntervalSeriesData* data = new QwtIntervalSeriesData(intervals);
+  histogram_->setData(data);
+  histogram_->setColors(colors);
+  histogram_->attach(qwtPlot);
+
+  qwtPlot->setAxisScale(QwtPlot::yLeft, 0.0, maxCount);
+  qwtPlot->setAxisScale(QwtPlot::xBottom, realMin, realMax);
+
+  qwtPlot->setAxisTitle(QwtPlot::yLeft,   "count" );
+  qwtPlot->setAxisTitle(QwtPlot::xBottom, "values" );
+
+  //define this scaling as the zoomBase
+  plot_zoomer_->setZoomBase();
+
+//  // Mark the clamp values in the histogramm
+//  if ( parameters_.clamp ) {
+//    if ( ! clampMinMarker_ ) {
+//      clampMinMarker_ = new QwtPlotMarker();
+//      minSymbol_ = new QwtSymbol(QwtSymbol::VLine);
+//      minSymbol_->setColor(QColor(255,0,0));
+//      minSymbol_->setSize(200,1000);
+//      QPen pen = minSymbol_->pen();
+//      pen.setWidth(3);
+//      minSymbol_->setPen(pen);
+//      clampMinMarker_->setSymbol(minSymbol_);
+//      clampMinMarker_->attach(qwtPlot);
+//    }
+//
+//    // Draw at left boundary if less than the minimal value we get from the function
+//    if ( parameters_.clampMin < min_ )
+//      clampMinMarker_->setXValue(min_);
+//    else
+//      clampMinMarker_->setXValue(parameters_.clampMin);
+//
+//
+//
+//    clampMinMarker_->show();
+//
+//    if ( ! clampMaxMarker_ ) {
+//      clampMaxMarker_ = new QwtPlotMarker();
+//      maxSymbol_ = new QwtSymbol(QwtSymbol::VLine);
+//      maxSymbol_->setColor(QColor(0,255,0));
+//      maxSymbol_->setSize(200,1000);
+//      QPen pen = maxSymbol_->pen();
+//      pen.setWidth(3);
+//      maxSymbol_->setPen(pen);
+//      clampMaxMarker_->setSymbol(maxSymbol_);
+//      clampMaxMarker_->attach(qwtPlot);
+//    }
+
+//    // Draw at right boundary if greater than the maximal value we get from the function
+//    if ( parameters_.clampMax < max_ )
+//      clampMaxMarker_->setXValue(parameters_.clampMax);
+//    else
+//      clampMaxMarker_->setXValue(max_);
+//
+//    clampMaxMarker_->show();
+
+//  } else {
+//    if ( clampMinMarker_ )
+//      clampMinMarker_->hide();
+//
+//    if ( clampMaxMarker_ )
+//      clampMaxMarker_->hide();
+//  }
+
+  // an plot it
+  qwtPlot->replot();
+}
+
+void QwtFunctionPlot::setMinMax(double _min, double _max) {
+  min_ = _min;
+  max_ = _max;
+}
+
+
+
+//=============================================================================
+//=============================================================================
+
+#endif // WITH_QWT

QwtFunctionPlot.hh

+/*===========================================================================*\
+*                                                                            *
+*                              OpenFlipper                                   *
+*      Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen       *
+*                           www.openflipper.org                              *
+*                                                                            *
+*--------------------------------------------------------------------------- *
+*  This file is part of OpenFlipper.                                         *
+*                                                                            *
+*  OpenFlipper 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 3 of            *
+*  the License, or (at your option) any later version with the               *
+*  following exceptions:                                                     *
+*                                                                            *
+*  If other files instantiate templates or use macros                        *
+*  or inline functions from this file, or you compile this file and          *
+*  link it with other files to produce an executable, this file does         *
+*  not by itself cause the resulting executable to be covered by the         *
+*  GNU Lesser General Public License. This exception does not however        *
+*  invalidate any other reasons why the executable file might be             *
+*  covered by the GNU Lesser General Public License.                         *
+*                                                                            *
+*  OpenFlipper 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 LesserGeneral Public           *
+*  License along with OpenFlipper. If not,                                   *
+*  see <http://www.gnu.org/licenses/>.                                       *
+*                                                                            *
+\*===========================================================================*/
+
+/*===========================================================================*\
+*                                                                            *
+*   $Revision: 13770 $                                                       *
+*   $LastChangedBy: moebius $                                                *
+*   $Date: 2012-02-13 16:19:41 +0100 (Mo, 13. Feb 2012) $                     *
+*                                                                            *
+\*===========================================================================*/
+
+//=============================================================================
+//
+// CLASS QwtFunctionPlot
+//
+//
+// Author:  David Bommes <bommes@cs.rwth-aachen.de>
+//
+// Version: $Revision: 1$
+// Date:    $Date: 200X-XX-XX$
+//
+//=============================================================================
+
+
+#ifndef ACG_QWTFUNCTIONPLOT_HH
+#define ACG_QWTFUNCTIONPLOT_HH
+
+#ifdef WITH_QWT
+
+//== INCLUDES =================================================================
+
+#include <QtGui>
+#include <qwt_plot.h>
+#include <qwt_plot_curve.h>
+#include <qwt_plot_zoomer.h>
+#include <qwt_scale_engine.h>
+#include <qwt_plot_marker.h>
+
+#include <ui_QwtFunctionPlotBase.hh>
+
+#include <ACG/QtWidgets/QwtHistogramm.hh>
+#include <vector>
+
+//== FORWARDDECLARATIONS ======================================================
+
+//== NAMESPACES ===============================================================
+
+//== CLASS DEFINITION =========================================================
+
+
+
+class QwtFunctionPlot : public QDialog, public Ui::QwtFunctionPlotBase
+{
+  Q_OBJECT
+public:
+
+  /// Default constructor
+  QwtFunctionPlot( QWidget*    _parent = 0 );
+
+  /// Destructor
+  ~QwtFunctionPlot() {}
+
+  /// set the function to plot
+  void setFunction( std::vector<double>& _values );
+
+  void setMinMax(double _min, double _max);
+
+public slots:
+  void zoomIn();
+  void zoomOut();
+  void clamp();
+  
+  void replot();
+
+private:
+
+  QwtPlotZoomer* plot_zoomer_;
+
+  QwtPlotMarker* clampMinMarker_;
+  QwtSymbol*     minSymbol_;
+
+  QwtPlotMarker* clampMaxMarker_;
+  QwtSymbol*     maxSymbol_;
+
+  /// Histogram Plot
+  Histogram* histogram_;
+
+  /// Values that will define the function to plot
+  std::vector<double> values_;
+
+  double min_,max_;
+};
+
+
+//=============================================================================
+#endif // WITH_QWT
+//=============================================================================
+#endif // ACG_QWTFUNCTIONPLOT_HH defined
+//=============================================================================
+

QwtFunctionPlotBase.ui

+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>QwtFunctionPlotBase</class>
+ <widget class="QWidget" name="QwtFunctionPlotBase">
+  <property name="windowModality">
+   <enum>Qt::NonModal</enum>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>613</width>
+    <height>474</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Function Plot</string>
+  </property>
+  <layout class="QHBoxLayout" name="horizontalLayout">
+   <item>
+    <widget class="QwtPlot" name="qwtPlot"/>
+   </item>
+   <item>
+    <layout class="QVBoxLayout" name="verticalLayout">
+     <item>
+      <widget class="QPushButton" name="zoomInButton">
+       <property name="text">
+        <string>+</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="zoomOutButton">
+       <property name="text">
+        <string>-</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="clampButton">
+       <property name="text">
+        <string>C</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="verticalSpacer">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>20</width>
+         <height>40</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <pixmapfunction>qPixmapFromMimeSource</pixmapfunction>
+ <customwidgets>
+  <customwidget>
+   <class>QwtPlot</class>
+   <extends>QFrame</extends>
+   <header>qwt_plot.h</header>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections/>
+</ui>