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Viewing changes to gui/Axes_2D.cpp

  • Committer: Benjamin Kehlet
  • Date: 2011-05-23 11:30:50 UTC
  • Revision ID: benjamik@ifi.uio.no-20110523113050-7g9ygnf4gnl74gon
Plot axes in 2D.

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gui/Axes_2D.cpp
 
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#include "Axes_2D.h"
 
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#include <QPainter>
 
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#include <QStyleOptionGraphicsItem>
 
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#include <QWidget>
 
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#include <QGraphicsSimpleTextItem>
 
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#include <QString>
 
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#include <math.h>
 
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#include <dolfin/common/constants.h>
 
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#include <QDebug>
 
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//----------------------------------------------------------
 
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Axes_2D::Axes_2D(double min_x, double max_x, double min_y, double max_y)
 
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//----------------------------------------------------------
 
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  : lower_x(min_x, min_y), upper_x(max_x, min_y), 
 
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    lower_y(min_x, min_y), upper_y(min_x, max_y), arrowSize(10)
 
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{
 
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  //qDebug() << "min x = " << min_x << ", max x = " << max_x;
 
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  //qDebug() << "min y = " << min_y << ", max y = " << max_y;
 
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  QGraphicsLineItem* x_axis = new QGraphicsLineItem(QLineF(lower_x, upper_x), this);
 
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  QGraphicsLineItem* y_axis = new QGraphicsLineItem(QLineF(lower_y, upper_y), this);
 
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  double scale_factor = .05;
 
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  QFont font("helvetica", -1);
 
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  QGraphicsSimpleTextItem* lower_x_label = new QGraphicsSimpleTextItem(QString::number(lower_x.x()), this);
 
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  lower_x_label->setFont(font);
 
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  lower_x_label->setTransform(QTransform::fromScale ( scale_factor, -1*scale_factor));
 
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  lower_x_label->setPos(lower_x);// - QPoint(lower_x_label->boundingRect().width()*scale_factor,
 
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                                 //        -1*lower_x_label->boundingRect().height()*scale_factor));
 
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  QGraphicsSimpleTextItem* upper_x_label = new QGraphicsSimpleTextItem(QString::number(upper_x.x()), this);
 
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  upper_x_label->setFont(font);
 
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  upper_x_label->setTransform(QTransform::fromScale ( scale_factor, -1*scale_factor));
 
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  upper_x_label->setPos(upper_x - QPoint(upper_x_label->boundingRect().width()*scale_factor, 0.0));
 
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  QGraphicsSimpleTextItem* lower_y_label = new QGraphicsSimpleTextItem(QString::number(lower_y.y()), this);
 
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  lower_y_label->setFont(font);
 
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  lower_y_label->setTransform(QTransform::fromScale ( scale_factor, -1*scale_factor));
 
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  lower_y_label->setPos(lower_y - QPoint(lower_y_label->boundingRect().width()*scale_factor,
 
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                                         -1*lower_y_label->boundingRect().height()*scale_factor));
 
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  QGraphicsSimpleTextItem* upper_y_label = new QGraphicsSimpleTextItem(QString::number(upper_y.y()), this);
 
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  upper_y_label->setFont(font);
 
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  upper_y_label->setTransform(QTransform::fromScale ( scale_factor, -1*scale_factor));
 
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  upper_y_label->setPos(upper_y - QPoint(upper_y_label->boundingRect().width()*scale_factor, .0));
 
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  //setFlags(QGraphicsItem::ItemIgnoresTransformations);
 
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}
 
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