PaintWidget Class Reference

#include <CQTSSATimeScaleWidget.h>

Inheritance diagram for PaintWidget:

Collaboration diagram for PaintWidget:

Public Member Functions
void	paintTimeScale (int select)
	PaintWidget (QWidget *parent=0, const char *name=0, Qt::WFlags fl=0)
	~PaintWidget ()

Public Attributes
bool	mClear
CVector< C_FLOAT64 >	mVector

Protected Member Functions
void	paintEvent (QPaintEvent *)

Private Attributes
int	mSelection

Detailed Description

Definition at line 22 of file CQTSSATimeScaleWidget.h.

Constructor & Destructor Documentation

PaintWidget::PaintWidget	(	QWidget *	parent = 0,
		const char *	name = 0,
		Qt::WFlags	fl = 0
	)

Definition at line 98 of file CQTSSATimeScaleWidget.cpp.

  : QWidget(parent, fl),
    mSelection(0)
{
  setObjectName(QString::fromUtf8(name));

  if (!name)
    setObjectName("PaintWidget");
}

PaintWidget::~PaintWidget

(

)

Definition at line 111 of file CQTSSATimeScaleWidget.cpp.

{
  // no need to delete child widgets, Qt does it all for us
}

Member Function Documentation

void PaintWidget::paintEvent ( QPaintEvent *  )

protected

Definition at line 122 of file CQTSSATimeScaleWidget.cpp.

References C_INT32, mClear, mSelection, mVector, and CVectorCore< CType >::size().

{

  if (mVector.size() == 0) return;

  if (mClear) return;

  int position;
  int space = 35;

  int maxScaleValue = -1000;
  int minScaleValue = 1000;
  unsigned C_INT32 j;

  for (j = 0; j < mVector.size(); ++j)
    {
      if (fabs(mVector[j]) == std::numeric_limits<C_FLOAT64>::infinity())
        continue;

      if ((int)(log10(fabs(mVector[j])) + 1) > maxScaleValue)
        maxScaleValue = (int)(log10(fabs(mVector[j])) + 1);

      if ((int)(log10(fabs(mVector[j])) - 1) < minScaleValue)
        minScaleValue = (int)(log10(fabs(mVector[j])) - 1);
    }

  int scaleValueRange = maxScaleValue - minScaleValue;

  QPainter paint(this);
  paint.save();

  //paint.setWindow(0, 0, 1000, 1000);
  QRect v = paint.viewport();

  //paint.setFont(QFont("Courier", 15));

  //Legend
  paint.setPen(QPen(QColor(180, 0, 0), 5));
  paint.drawLine(space, space, space, space + 10);
  paint.setPen(QPen(QColor(0, 0, 0), 1));
  paint.drawText(space + 5, space + 10, " - negative time scale values");

  paint.setPen(QPen(QColor(0, 180, 0), 5));
  paint.drawLine(space, space + 20, space, space + 30);
  paint.setPen(QPen(QColor(0, 0, 0), 1));
  paint.drawText(space + 5, space + 30, " - positive time scale values");

  //axis
  paint.setPen(QPen(QColor(100, 100, 100), 1));
  int yCentre = v.bottom() - space - 30;
  int scaleBegin = space;
  int scaleEnd = v.right() - space; //(maxScaleValue - minScaleValue) * (1000 - 2 * space) / scaleValueRange + space;
  int axisLength = scaleEnd - scaleBegin;
  paint.drawLine(scaleBegin, yCentre, scaleEnd, yCentre);

  //tics
  C_INT32 i;

  for (i = 0; i <= scaleValueRange; i++)
    {
      position = scaleBegin + (int)(i * axisLength / scaleValueRange);
      paint.drawLine(position, yCentre + 10, position, yCentre);
      paint.drawText(position - 5, yCentre + 30, QString::number(minScaleValue + i));
    }

  paint.setPen(QPen(QColor(0, 180, 0), 1));

  //values
  int yTop = yCentre - 50;
  int xText = v.right() - space - 230;
  int yText = space + 30;

  for (j = 0; j < mVector.size(); j++)
    {
      position = scaleBegin + (int)((log10(fabs(mVector[j])) - minScaleValue) * axisLength / scaleValueRange);

      if ((uint)mSelection == (uint)(mVector.size() - 1 - j))
        {
          if (mVector[j] < 0)
            paint.setPen(QPen(QColor(180, 20, 20), 4));
          else
            paint.setPen(QPen(QColor(20, 180, 20), 4));

          paint.drawLine(position, yCentre - 1, position, yTop);
          paint.setPen(QPen(QColor(200, 200, 200), 1));
          //          paint.setFont(QFont("Courier", 20));
          paint.drawLine(xText, yText, position + 1, yTop - 1);
          paint.drawLine(xText, yText, scaleEnd, yText);
          paint.setPen(QPen(QColor(0, 0, 0), 1));

          if (mVector[j] < 0)
            paint.drawText(xText + 1, yText - 15, " log10 (|" + QString::number(mVector[j]) + "|) = " + QString::number(log10(fabs(mVector[j]))));
          else
            paint.drawText(xText + 1, yText - 15, " log10 (" + QString::number(fabs(mVector[j])) + ") = " + QString::number(log10(fabs(mVector[j]))));

          paint.drawText(scaleBegin + scaleEnd / 2 - 50, yCentre + 50, " log timescale");
        }
      else
        {
          if (mVector[j] < 0)
            paint.setPen(QPen(QColor(180, 20, 20), 2));
          else
            paint.setPen(QPen(QColor(20, 180, 20), 2));

          paint.drawLine(position, yCentre - 1, position, yTop);
        }
    }

  paint.restore();
}

void PaintWidget::paintTimeScale

(

int

select

)

Definition at line 116 of file CQTSSATimeScaleWidget.cpp.

References mSelection.

Referenced by CQTSSATimeScaleWidget::changedInterval(), and CQTSSATimeScaleWidget::paintTimeScale().

{
  mSelection = select;
  repaint();
}

Member Data Documentation

bool PaintWidget::mClear

Definition at line 33 of file CQTSSATimeScaleWidget.h.

Referenced by CQTSSATimeScaleWidget::clearWidget(), paintEvent(), and CQTSSATimeScaleWidget::paintTimeScale().

int PaintWidget::mSelection

private

Definition at line 39 of file CQTSSATimeScaleWidget.h.

Referenced by paintEvent(), and paintTimeScale().

CVector< C_FLOAT64> PaintWidget::mVector

Definition at line 32 of file CQTSSATimeScaleWidget.h.

Referenced by CQTSSATimeScaleWidget::changedInterval(), paintEvent(), and CQTSSATimeScaleWidget::paintTimeScale().

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The documentation for this class was generated from the following files:

• CQTSSATimeScaleWidget.h
• CQTSSATimeScaleWidget.cpp