10 #include "qwt_plot_multi_barchart.h" 
   11 #include "qwt_scale_map.h" 
   12 #include "qwt_column_symbol.h" 
   14 #include "qwt_graphic.h" 
   15 #include "qwt_legend_data.h" 
   20 inline static bool qwtIsIncreasing(
 
   25     for ( 
int i = 0; i < values.size(); i++ )
 
   27         const double y = values[ i ];
 
   35 class QwtPlotMultiBarChart::PrivateData
 
   75 void QwtPlotMultiBarChart::init()
 
   77     m_data = 
new PrivateData;
 
  105     s.reserve( samples.size() );
 
  107     for ( 
int i = 0; i < samples.size(); i++ )
 
  140     m_data->barTitles = titles;
 
  150     return m_data->barTitles;
 
  166     if ( valueIndex < 0 )
 
  170         m_data->symbolMap.find(valueIndex);
 
  171     if ( it == m_data->symbolMap.end() )
 
  175             m_data->symbolMap.insert( valueIndex, 
symbol );
 
  183         if ( 
symbol != it.value() )
 
  189                 m_data->symbolMap.remove( valueIndex );
 
  213         m_data->symbolMap.constFind( valueIndex );
 
  215     return ( it == m_data->symbolMap.constEnd() ) ? NULL : it.value();
 
  229         m_data->symbolMap.constFind( valueIndex );
 
  231     return ( it == m_data->symbolMap.constEnd() ) ? NULL : it.value();
 
  239     qDeleteAll( m_data->symbolMap );
 
  240     m_data->symbolMap.clear();
 
  264     int sampleIndex, 
int valueIndex )
 const 
  266     Q_UNUSED( sampleIndex );
 
  267     Q_UNUSED( valueIndex );
 
  280     if ( 
style != m_data->style )
 
  282         m_data->style = 
style;
 
  295     return m_data->style;
 
  304     const size_t numSamples = 
dataSize();
 
  306     if ( numSamples == 0 )
 
  317         if ( rect.height() >= 0 )
 
  319             if ( rect.bottom() < baseLine )
 
  320                 rect.setBottom( baseLine );
 
  321             if ( rect.top() > baseLine )
 
  322                 rect.setTop( baseLine );
 
  327         double xMin, xMax, yMin, yMax;
 
  330         yMin = yMax = baseLine;
 
  334         for ( 
size_t i = 0; i < numSamples; i++ )
 
  349             yMin = qwtMinF( yMin, y );
 
  350             yMax = qwtMaxF( yMax, y );
 
  352         rect.setRect( xMin, yMin, xMax - xMin, yMax - yMin );
 
  356         rect.setRect( rect.y(), rect.x(), rect.height(), rect.width() );
 
  376     const QRectF& canvasRect, 
int from, 
int to )
 const 
  388     const QRectF br = 
data()->boundingRect();
 
  389     const QwtInterval interval( br.left(), br.right() );
 
  393     for ( 
int i = from; i <= to; i++ )
 
  396             canvasRect, interval, i, 
sample( i ) );
 
  417     const QRectF& canvasRect, 
const QwtInterval& boundingInterval,
 
  436     if ( m_data->style == 
Stacked )
 
  439             canvasRect, index, sampleW, 
sample );
 
  444             canvasRect, index, sampleW, 
sample );
 
  463     const QRectF& canvasRect, 
int index, 
double sampleWidth,
 
  466     Q_UNUSED( canvasRect );
 
  479         for ( 
int i = 0; i < numBars; i++ )
 
  481             const double x1 = x0 + i * barWidth;
 
  482             const double x2 = x1 + barWidth;
 
  496             drawBar( painter, index, i, barRect );
 
  506         for ( 
int i = 0; i < numBars; i++ )
 
  508             double y1 = y0 + i * barHeight;
 
  509             double y2 = y1 + barHeight;
 
  523             drawBar( painter, index, i, barRect );
 
  543     const QRectF& canvasRect, 
int index,
 
  546     Q_UNUSED( canvasRect ); 
 
  559         const bool increasing = qwtIsIncreasing( yMap, 
sample.
set );
 
  569         for ( 
int i = 0; i < numBars; i++ )
 
  576             const double y2 = yMap.
transform( sum + si );
 
  578             if ( ( y2 > y1 ) != increasing )
 
  587             drawBar( painter, index, i, bar );
 
  602         const bool increasing = qwtIsIncreasing( xMap, 
sample.
set );
 
  611         for ( 
int i = 0; i < 
sample.
set.size(); i++ )
 
  618             const double x2 = xMap.
transform( sum + si );
 
  620             if ( ( x2 > x1 ) != increasing )
 
  629             drawBar( painter, index, i, bar );
 
  653     int sampleIndex, 
int valueIndex, 
const QwtColumnRect& rect )
 const 
  656     if ( sampleIndex >= 0 )
 
  661         sym = 
symbol( valueIndex );
 
  665         sym->
draw( painter, rect );
 
  673         columnSymbol.
draw( painter, rect );
 
  690     list.reserve( m_data->barTitles.size() );
 
  692     for ( 
int i = 0; i < m_data->barTitles.size(); i++ )
 
  696         data.setValue( QwtLegendData::TitleRole,
 
  697             QVariant::fromValue( m_data->barTitles[i] ) );
 
  701             data.setValue( QwtLegendData::IconRole,
 
  721     const QSizeF& size )
 const 
  731     QPainter painter( &icon );
 
  732     painter.setRenderHint( QPainter::Antialiasing,
 
  735     drawBar( &painter, -1, index, column );
 
Directed rectangle representing bounding rectangle and orientation of a column.
QwtInterval vInterval
Interval for the vertical coordinates.
QwtInterval hInterval
Interval for the horizontal coordinates.
@ LeftToRight
From left to right.
@ TopToBottom
From top to bottom.
@ BottomToTop
From bottom to top.
@ RightToLeft
From right to left.
Direction direction
Direction.
A drawing primitive for columns.
@ Plain
A plain frame style.
virtual void draw(QPainter *, const QwtColumnRect &) const
void setFrameStyle(FrameStyle)
void setLineWidth(int width)
A paint device for scalable graphics.
void setRenderHint(RenderHint, bool on=true)
void setDefaultSize(const QSizeF &)
Set a default size.
A class representing an interval.
QwtInterval normalized() const
Normalize the limits of the interval.
double width() const
Return the width of an interval.
@ ExcludeMaximum
Max value is not included in the interval.
@ ExcludeMinimum
Min value is not included in the interval.
@ IncludeBorders
Min/Max values are inside the interval.
void setBorderFlags(BorderFlags)
Attributes of an entry on a legend.
Abstract base class for bar chart items.
double sampleWidth(const QwtScaleMap &map, double canvasSize, double boundingSize, double value) const
virtual void legendChanged()
@ Rtti_PlotMultiBarChart
For QwtPlotMultiBarChart.
@ RenderAntialiased
Enable antialiasing.
bool testRenderHint(RenderHint) const
virtual void itemChanged()
QSize legendIconSize() const
QwtPlotMultiBarChart displays a series of a samples that consist each of a set of values.
QList< QwtText > barTitles() const
virtual QwtGraphic legendIcon(int index, const QSizeF &) const override
virtual ~QwtPlotMultiBarChart()
Destructor.
virtual QwtColumnSymbol * specialSymbol(int sampleIndex, int valueIndex) const
Create a symbol for special values.
QwtPlotMultiBarChart(const QString &title=QString())
void setStyle(ChartStyle style)
virtual void drawSeries(QPainter *, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect, int from, int to) const override
virtual void drawSample(QPainter *, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect, const QwtInterval &boundingInterval, int index, const QwtSetSample &) const
void drawStackedBars(QPainter *, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect, int index, double sampleWidth, const QwtSetSample &) const
void setSymbol(int valueIndex, QwtColumnSymbol *)
Add a symbol to the symbol map.
virtual QList< QwtLegendData > legendData() const override
void drawGroupedBars(QPainter *, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect, int index, double sampleWidth, const QwtSetSample &) const
virtual int rtti() const override
void setBarTitles(const QList< QwtText > &)
Set the titles for the bars.
virtual QRectF boundingRect() const override
@ Grouped
The bars of a set are displayed side by side.
const QwtColumnSymbol * symbol(int valueIndex) const
virtual void drawBar(QPainter *, int sampleIndex, int valueIndex, const QwtColumnRect &) const
void setSamples(const QVector< QwtSetSample > &)
Qt::Orientation orientation() const
virtual QRectF boundingRect() const override
double transform(double s) const
Abstract interface for iterating over samples.
virtual T sample(size_t i) const =0
QwtSetSample sample(int index) const
virtual size_t dataSize() const override
QwtSeriesData< QwtSetSample > * data()
void setData(QwtSeriesData< QwtSetSample > *series)
A sample of the types (x1...xn, y) or (x, y1..yn)
QVector< double > set
Vector of values associated to value.
Interface for iterating over an array of samples.
A class representing a text.