HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · test/qmlchart/chart.h

Proof-of-concept for QML api...

Proof-of-concept for QML api Line, scatter and pie series now shown on a QML app. Uses hard-coded test data.

Tero Ahola - - Load All Authors

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             chart.h
        
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      #ifndef CHART_H

      #define CHART_H

      #include <QDeclarativeItem>

      #include <QPainter>

      class Chart : public QDeclarativeItem

      {

          Q_OBJECT

          Q_PROPERTY(int theme READ theme WRITE setTheme NOTIFY themeChanged)

      public:

          Chart(QDeclarativeItem *parent = 0) :

                  QDeclarativeItem(parent), m_theme(0)

          {

              setFlag(QGraphicsItem::ItemHasNoContents, false);

          }

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

          {

              // TODO: remove

              QPen pen(QColor(0, 0, 0), 10);

              painter->setPen(pen);

              if(smooth() == true) {

                  painter->setRenderHint(QPainter::Antialiasing, true);

              }

              painter->drawLine(0, 0, 100, 100);

          }

          int theme() const { return m_theme; }

          // Set methods

          void setTheme(int theme) {

              if (theme != m_theme) {

                  m_theme = theme;

                  updateSize();

                  emit themeChanged();

                  update();

              }

          }

      signals:

          void themeChanged();

      private:

          void updateSize() {

      //        setX(qMin(m_x1, m_x2) - m_penWidth/2);

      //        setY(qMin(m_y1, m_y2) - m_penWidth/2);

      //        setWidth(qAbs(m_x2 - m_x1) + m_penWidth);

      //        setHeight(qAbs(m_y2 - m_y1) + m_penWidth);

          }

      private:

          int m_theme;

      };

      QML_DECLARE_TYPE(Chart)

      #endif // CHART_H

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				#ifndef CHART_H
				#define CHART_H

				#include <QDeclarativeItem>
				#include <QPainter>

				class Chart : public QDeclarativeItem
				{
				Q_OBJECT
				Q_PROPERTY(int theme READ theme WRITE setTheme NOTIFY themeChanged)

				public:
				Chart(QDeclarativeItem *parent = 0) :
				QDeclarativeItem(parent), m_theme(0)
				{
				setFlag(QGraphicsItem::ItemHasNoContents, false);
				}

				void paint(QPainter painter, const QStyleOptionGraphicsItem option, QWidget *widget)
				{
				// TODO: remove
				QPen pen(QColor(0, 0, 0), 10);
				painter->setPen(pen);
				if(smooth() == true) {
				painter->setRenderHint(QPainter::Antialiasing, true);
				}
				painter->drawLine(0, 0, 100, 100);
				}

				int theme() const { return m_theme; }

				// Set methods
				void setTheme(int theme) {
				if (theme != m_theme) {
				m_theme = theme;
				updateSize();
				emit themeChanged();
				update();
				}
				}

				signals:
				void themeChanged();

				private:
				void updateSize() {
				// setX(qMin(m_x1, m_x2) - m_penWidth/2);
				// setY(qMin(m_y1, m_y2) - m_penWidth/2);
				// setWidth(qAbs(m_x2 - m_x1) + m_penWidth);
				// setHeight(qAbs(m_y2 - m_y1) + m_penWidth);
				}

				private:
				int m_theme;
				};

				QML_DECLARE_TYPE(Chart)

				#endif // CHART_H