HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/animations/baranimation.cpp

Set the first pie slice exploded and label visible in chartthemes demo

sauimone - - Load All Authors

File last commit:

r693:1d2255713343


                r699:367aeb7897cf

Download file

             baranimation.cpp
        
                    52 lines
            
             | 1.4 KiB
            
                | text/x-c
            
             |
                CppLexer
            
             / src / animations / baranimation.cpp
          
                    History
                
                 |
                  Annotation
                 | Raw
                 |Copy content
                 |Copy permalink

      #include "baranimation_p.h"

      #include "barchartitem_p.h"

      #include <QParallelAnimationGroup>

      #include <QTimer>

      Q_DECLARE_METATYPE(QVector<QRectF>)

      //Q_DECLARE_METATYPE(BarLayout)     // TODO?

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

      BarAnimation::BarAnimation(BarChartItem *item)

          :ChartAnimation(item),

          m_item(item)

      {

      }

      BarAnimation::~BarAnimation()

      {

      }

      QVariant BarAnimation::interpolated(const QVariant &from, const QVariant &to, qreal progress) const

      {

          QVector<QRectF> startVector = qVariantValue<QVector<QRectF> > (from);

          QVector<QRectF> endVector = qVariantValue<QVector<QRectF> > (to);

          QVector<QRectF> result;

          Q_ASSERT(startVector.count() == endVector.count()) ;

          for(int i =0 ;i< startVector.count();i++){

              qreal w = endVector[i].width();

              qreal h = startVector[i].height() + ((endVector[i].height() - startVector[i].height()) * progress);

              qreal x = endVector[i].topLeft().x();

              qreal y = endVector[i].topLeft().y() + endVector[i].height() - h;

              QPointF topLeft(x,y);

              QSizeF size(w,h);

              QRectF value(topLeft,size);

              result << value;

          }

          return qVariantFromValue(result);

      }

      void BarAnimation::updateCurrentValue(const QVariant &value)

      {

          QVector<QRectF> layout = qVariantValue<QVector<QRectF> >(value);

          m_item->setLayout(layout);

      }

      #include "moc_baranimation_p.cpp"

      QTCOMMERCIALCHART_END_NAMESPACE

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

				#include "baranimation_p.h"
				#include "barchartitem_p.h"
				#include <QParallelAnimationGroup>
				#include <QTimer>

				Q_DECLARE_METATYPE(QVector<QRectF>)
				//Q_DECLARE_METATYPE(BarLayout) // TODO?


				QTCOMMERCIALCHART_BEGIN_NAMESPACE

				BarAnimation::BarAnimation(BarChartItem *item)
				:ChartAnimation(item),
				m_item(item)
				{
				}

				BarAnimation::~BarAnimation()
				{
				}

				QVariant BarAnimation::interpolated(const QVariant &from, const QVariant &to, qreal progress) const
				{
				QVector<QRectF> startVector = qVariantValue<QVector<QRectF> > (from);
				QVector<QRectF> endVector = qVariantValue<QVector<QRectF> > (to);
				QVector<QRectF> result;

				Q_ASSERT(startVector.count() == endVector.count()) ;

				for(int i =0 ;i< startVector.count();i++){
				qreal w = endVector[i].width();
				qreal h = startVector[i].height() + ((endVector[i].height() - startVector[i].height()) * progress);
				qreal x = endVector[i].topLeft().x();
				qreal y = endVector[i].topLeft().y() + endVector[i].height() - h;

				QPointF topLeft(x,y);
				QSizeF size(w,h);
				QRectF value(topLeft,size);
				result << value;
				}
				return qVariantFromValue(result);
				}

				void BarAnimation::updateCurrentValue(const QVariant &value)
				{
				QVector<QRectF> layout = qVariantValue<QVector<QRectF> >(value);
				m_item->setLayout(layout);
				}

				#include "moc_baranimation_p.cpp"

				QTCOMMERCIALCHART_END_NAMESPACE