HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/barchart/bar.cpp

proof of concept implementation for barset and barcategory

Michal Klocek - - Load All Authors

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             bar.cpp
        
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      #include "bar_p.h"

      #include <QDebug>

      #include <QPainter>

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

      Bar::Bar(QGraphicsItem *parent)

          : ChartItem(parent)

      {

      }

      void Bar::setSize(const QSizeF& size)

      {

          mWidth = size.width();

          mHeight = size.height();

      }

      void Bar::resize( qreal w, qreal h )

      {

      //    qDebug() << "bar::resize" << w << h;

          mWidth = w;

          mHeight = h;

      }

      void Bar::setColor( QColor col )

      {

          mColor = col;

      }

      void Bar::setPos(qreal x, qreal y)

      {

       //   qDebug() << "Bar::setpos" << x << y;

          mXpos = x;

          mYpos = y;

      }

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

      {

          if (0 == mHeight) {

              return;

          }

          // TODO: accept brush instead of color

          QBrush brush(mColor);

          painter->setBrush(brush);

          // This compensates for rounding errors. drawRect takes ints and cumulative error of pos + size may be over 1.

          int x0 = mXpos;

          int x1 = (mXpos + mWidth);

          int w = x1-x0;

          int y0 = mYpos;

          int y1 = (mYpos + mHeight);

          int h = y1-y0;

          painter->drawRect(x0, y0 ,w ,h);

      }

      QRectF Bar::boundingRect() const

      {

          QRectF r(mXpos, mYpos, mXpos + mWidth, mYpos + mHeight);

          return r;

      }

      QTCOMMERCIALCHART_END_NAMESPACE

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				#include "bar_p.h"
				#include <QDebug>
				#include <QPainter>

				QTCOMMERCIALCHART_BEGIN_NAMESPACE

				Bar::Bar(QGraphicsItem *parent)
				: ChartItem(parent)
				{
				}

				void Bar::setSize(const QSizeF& size)
				{
				mWidth = size.width();
				mHeight = size.height();
				}


				void Bar::resize( qreal w, qreal h )
				{
				// qDebug() << "bar::resize" << w << h;
				mWidth = w;
				mHeight = h;
				}

				void Bar::setColor( QColor col )
				{
				mColor = col;
				}
				void Bar::setPos(qreal x, qreal y)
				{
				// qDebug() << "Bar::setpos" << x << y;
				mXpos = x;
				mYpos = y;
				}

				void Bar::paint(QPainter painter, const QStyleOptionGraphicsItem option, QWidget *widget)
				{
				if (0 == mHeight) {
				return;
				}
				// TODO: accept brush instead of color
				QBrush brush(mColor);
				painter->setBrush(brush);

				// This compensates for rounding errors. drawRect takes ints and cumulative error of pos + size may be over 1.
				int x0 = mXpos;
				int x1 = (mXpos + mWidth);
				int w = x1-x0;
				int y0 = mYpos;
				int y1 = (mYpos + mHeight);
				int h = y1-y0;
				painter->drawRect(x0, y0 ,w ,h);
				}

				QRectF Bar::boundingRect() const
				{
				QRectF r(mXpos, mYpos, mXpos + mWidth, mYpos + mHeight);
				return r;
				}

				QTCOMMERCIALCHART_END_NAMESPACE