HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/QBarChart/qbarchartgrid.cpp

Bar chart prototyping

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             qbarchartgrid.cpp
        
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        sauimone
    
Bar chart prototyping

              r10
            
      #include "qbarchartgrid.h"

      #include <QDebug>

      #include <QPainter>

      QBarChartGrid::QBarChartGrid(QGraphicsItem *parent) :

          QGraphicsItem(parent)

      {

      }

      void QBarChartGrid::setLimits( int min, int max )

      {

          mMin = min;

          mMax = max;

      }

      void QBarChartGrid::setHorizontalLineCount(int count)

      {

          mHorizontalLineCount = count;

      }

      void QBarChartGrid::setSize( int h, int w )

      {

          mHeight = h;

          mWidth = w;

      }

      void QBarChartGrid::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)

      {

          qDebug() << "QBarChartGrid::paint w =" << mWidth << "h =" << mHeight;

          QPen p = painter->pen();

          p.setColor( QColor(0,255,0) );

          p.setWidth( 1 );

          painter->setPen(p);

          // Draw horizontal lines

          if ( mHorizontalLineCount >0 ) {

              int step = mHeight / mHorizontalLineCount;

              if (step > 0) {

                  for (int y=0; y<mHeight; y+=step) {

                      painter->drawLine(0,y,mWidth,y);

                  }

              }

          }

      }

      QRectF QBarChartGrid::boundingRect() const

      {

          QRectF r(scenePos().x(), scenePos().y(), scenePos().x() + mWidth, scenePos().y() + mHeight );

          return r;

      }

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sauimone Bar chart prototyping	r10	#include "qbarchartgrid.h"
		#include <QDebug>
		#include <QPainter>

		QBarChartGrid::QBarChartGrid(QGraphicsItem *parent) :
		QGraphicsItem(parent)
		{
		}


		void QBarChartGrid::setLimits( int min, int max )
		{
		mMin = min;
		mMax = max;
		}

		void QBarChartGrid::setHorizontalLineCount(int count)
		{
		mHorizontalLineCount = count;
		}

		void QBarChartGrid::setSize( int h, int w )
		{
		mHeight = h;
		mWidth = w;
		}

		void QBarChartGrid::paint(QPainter painter, const QStyleOptionGraphicsItem option, QWidget *widget)
		{
		qDebug() << "QBarChartGrid::paint w =" << mWidth << "h =" << mHeight;

		QPen p = painter->pen();
		p.setColor( QColor(0,255,0) );
		p.setWidth( 1 );
		painter->setPen(p);

		// Draw horizontal lines
		if ( mHorizontalLineCount >0 ) {
		int step = mHeight / mHorizontalLineCount;
		if (step > 0) {
		for (int y=0; y<mHeight; y+=step) {
		painter->drawLine(0,y,mWidth,y);
		}
		}
		}
		}

		QRectF QBarChartGrid::boundingRect() const
		{
		QRectF r(scenePos().x(), scenePos().y(), scenePos().x() + mWidth, scenePos().y() + mHeight );
		return r;
		}