QwtScaleWidget - A Widget which contains a scale.

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Version 6.1.4                                    Wed Jan 2 2019                                QwtScaleWidget(3)

QwtScaleWidget::QwtScaleWidget(QWidget*parent=NULL)[explicit]
       Create a scale with the position QwtScaleWidget::Left.

       Parameters:parent Parent widget

   QwtScaleWidget::QwtScaleWidget(QwtScaleDraw::Alignmentalign,QWidget*parent=NULL)[explicit]
       Constructor.

       Parameters:align Alignment.
           parent Parent widget

       A Widget which contains a scale.

       This Widget can be used to decorate composite widgets with a scale.

enumQwtScaleWidget::LayoutFlag
       Layout flags of the title.

       EnumeratorTitleInverted
              The title of vertical scales is painted from top to bottom. Otherwise it is painted from bottom to
              top.

QwtScaleDraw::AlignmentQwtScaleWidget::alignment()constReturns:
           position

       Seealso:
           setPosition()

   QwtIntervalQwtScaleWidget::colorBarInterval()constReturns:
           Value interval for the color bar

       Seealso:setColorMap(), colorMap()QRectFQwtScaleWidget::colorBarRect(constQRectF&rect)const
       Calculate the the rectangle for the color bar

       Parameters:rect Bounding rectangle for all components of the scale

       Returns:
           Rectangle for the color bar

   intQwtScaleWidget::colorBarWidth()constReturns:
           Width of the color bar

       Seealso:setColorBarEnabled(), setColorBarEnabled()constQwtColorMap*QwtScaleWidget::colorMap()constReturns:
           Color map

       Seealso:setColorMap(), colorBarInterval()intQwtScaleWidget::dimForLength(intlength,constQFont&scaleFont)const
       Find  the  minimum dimension for a given length. dim is the height, length the width seen in direction of
       the title.

       Parameters:length width for horizontal, height for vertical scales
           scaleFont Font of the scale

       Returns:
           height for horizontal, width for vertical scales

   voidQwtScaleWidget::drawColorBar(QPainter*painter,constQRectF&rect)const
       Draw the color bar of the scale widget

       Parameters:painter Painter
           rect Bounding rectangle for the color bar

       Seealso:setColorBarEnabled()voidQwtScaleWidget::drawTitle(QPainter*painter,QwtScaleDraw::Alignmentalign,constQRectF&rect)const

       Rotate and paint a title according to its position into a given rectangle.

       Parameters:painter Painter
           align Alignment
           rect Bounding rectangle

   intQwtScaleWidget::endBorderDist()constReturns:
           end border distance

       Seealso:setBorderDist()voidQwtScaleWidget::getBorderDistHint(int&start,int&end)const
       Calculate a hint for the border distances. This member function calculates the distance  of  the  scale's
       endpoints  from  the  widget  borders  which  is required for the mark labels to fit into the widget. The
       maximum of this distance an the minimum border distance is returned.

       Parameters:start Return parameter for the border width at the beginning of the scale
           end Return parameter for the border width at the end of the scale

       Warning:
           • The minimum border distance depends on the font.
       Seealso:setMinBorderDist(), getMinBorderDist(), setBorderDist()voidQwtScaleWidget::getMinBorderDist(int&start,int&end)const
       Get the minimum value for the distances of the scale's endpoints from the widget borders.
       Parameters:start Return parameter for the border width at the beginning of the scale
           end Return parameter for the border width at the end of the scale
       Seealso:setMinBorderDist(), getBorderDistHint()boolQwtScaleWidget::isColorBarEnabled()constReturns:
           true, when the color bar is enabled
       Seealso:setColorBarEnabled(), setColorBarWidth()voidQwtScaleWidget::layoutScale(boolupdate_geometry=true)[protected]
       Recalculate the scale's geometry and layout based on the current geometry and fonts.
       Parameters:update_geometry Notify the layout system and call update to redraw the scale
   intQwtScaleWidget::margin()constReturns:
           margin
       Seealso:setMargin()QSizeQwtScaleWidget::minimumSizeHint()const[virtual]Returns:
           a minimum size hint
   voidQwtScaleWidget::resizeEvent(QResizeEvent*event)[protected],[virtual]
       Event handler for resize events
       Parameters:event Resize event
   voidQwtScaleWidget::scaleChange()[protected]
       Notify a change of the scale. This virtual function can be overloaded by  derived  classes.  The  default
       implementation updates the geometry and repaints the widget.
   constQwtScaleDraw*QwtScaleWidget::scaleDraw()constReturns:
           scaleDraw of this scale
       Seealso:setScaleDraw(), QwtScaleDraw::setScaleDraw()
   QwtScaleDraw*QwtScaleWidget::scaleDraw()Returns:
           scaleDraw of this scale
       Seealso:
           QwtScaleDraw::setScaleDraw()
   voidQwtScaleWidget::setAlignment(QwtScaleDraw::Alignmentalignment)
       Change the alignment
       Parameters:alignment New alignment
       Seealso:alignment()voidQwtScaleWidget::setBorderDist(intdist1,intdist2)
       Specify  distances  of  the scale's endpoints from the widget's borders. The actual borders will never be
       less than minimum border distance.
       Parameters:dist1 Left or top Distance
           dist2 Right or bottom distance
       Seealso:
           borderDist()
   voidQwtScaleWidget::setColorBarEnabled(boolon)
       En/disable a color bar associated to the scale
       Seealso:isColorBarEnabled(), setColorBarWidth()voidQwtScaleWidget::setColorBarWidth(intwidth)
       Set the width of the color bar
       Parameters:width Width
       Seealso:colorBarWidth(), setColorBarEnabled()voidQwtScaleWidget::setColorMap(constQwtInterval&interval,QwtColorMap*colorMap)
       Set the color map and value interval, that are used for displaying the color bar.
       Parameters:interval Value interval
           colorMap Color map
       Seealso:colorMap(), colorBarInterval()voidQwtScaleWidget::setLabelAlignment(Qt::Alignmentalignment)
       Change the alignment for the labels.
       Seealso:QwtScaleDraw::setLabelAlignment(), setLabelRotation()voidQwtScaleWidget::setLabelRotation(doublerotation)
       Change the rotation for the labels. See QwtScaleDraw::setLabelRotation().
       Parameters:rotation Rotation
       Seealso:QwtScaleDraw::setLabelRotation(), setLabelFlags()
   voidQwtScaleWidget::setLayoutFlag(LayoutFlagflag,boolon)
       Toggle an layout flag
       Parameters:flag Layout flag
           on true/false
       Seealso:testLayoutFlag(), LayoutFlagvoidQwtScaleWidget::setMargin(intmargin)
       Specify the margin to the colorBar/base line.
       Parameters:margin Margin
       Seealso:margin()voidQwtScaleWidget::setMinBorderDist(intstart,intend)
       Set a minimum value for the distances of the scale's endpoints from the widget borders. This is useful to
       avoid that the scales are 'jumping', when the tick labels or their positions change often.
       Parameters:start Minimum for the start border
           end Minimum for the end border
       Seealso:getMinBorderDist(), getBorderDistHint()voidQwtScaleWidget::setScaleDiv(constQwtScaleDiv&scaleDiv)
       Assign a scale division. The scale division determines where to set the tick marks.
       Parameters:scaleDiv Scale Division
       Seealso:
           For more information about scale divisions, see QwtScaleDiv.
   voidQwtScaleWidget::setScaleDraw(QwtScaleDraw*scaleDraw)
       Set a scale draw
       scaleDraw has to be created with new and will be  deleted  in  ~QwtScaleWidget()  or  the  next  call  of
       setScaleDraw(). scaleDraw will be initialized with the attributes of the previous scaleDraw object.
       Parameters:scaleDraw ScaleDraw object
       Seealso:scaleDraw()voidQwtScaleWidget::setSpacing(intspacing)
       Specify the distance between color bar, scale and title.
       Parameters:spacing Spacing
       Seealso:spacing()voidQwtScaleWidget::setTitle(constQString&title)
       Give title new text contents
       Parameters:title New title
       Seealso:title(), setTitle(constQwtText&);
   voidQwtScaleWidget::setTitle(constQwtText&title)
       Give title new text contents
       Parameters:title New title
       Seealso:title()Warning:
           The  title flags are interpreted in direction of the label, AlignTop, AlignBottom can't be set as the
           title will always be aligned to the scale.
   voidQwtScaleWidget::setTransformation(QwtTransform*transformation)
       Set the transformation
       Parameters:transformation Transformation
       Seealso:
           QwtAbstractScaleDraw::scaleDraw(), QwtScaleMapQSizeQwtScaleWidget::sizeHint()const[virtual]Returns:
           a size hint
   intQwtScaleWidget::spacing()constReturns:
           distance between scale and title
       Seealso:setMargin()intQwtScaleWidget::startBorderDist()constReturns:
           start border distance
       Seealso:setBorderDist()boolQwtScaleWidget::testLayoutFlag(LayoutFlagflag)const
       Test a layout flag
       Parameters:flag Layout flag
       Returns:
           true/false
       Seealso:setLayoutFlag(), LayoutFlagQwtTextQwtScaleWidget::title()constReturns:
           title
       Seealso:setTitle()intQwtScaleWidget::titleHeightForWidth(intwidth)const
       Find the height of the title for a given width.
       Parameters:width Width
       Returns:
           height Height

       QwtScaleWidget - A Widget which contains a scale.

       #include <qwt_scale_widget.h>

       Inherits QWidget.

   PublicTypes
       enum LayoutFlag { TitleInverted = 1 }
           Layout flags of the title.
       typedef QFlags< LayoutFlag > LayoutFlags
           Layout flags of the title.

   Signals
       void scaleDivChanged ()
           Signal emitted, whenever the scale division changes.

   PublicMemberFunctionsQwtScaleWidget (QWidget *parent=NULL)
           Create a scale with the position QwtScaleWidget::Left.
       QwtScaleWidget (QwtScaleDraw::Alignment, QWidget *parent=NULL)
           Constructor.
       virtual ~QwtScaleWidget ()
           Destructor.
       void setTitle (const QString &title)
       void setTitle (const QwtText &title)
       QwtTexttitle () const
       void setLayoutFlag (LayoutFlag, bool on)
       bool testLayoutFlag (LayoutFlag) const
       void setBorderDist (int dist1, int dist2)
       int startBorderDist () const
       int endBorderDist () const
       void getBorderDistHint (int &start, int &end) const
           Calculate a hint for the border distances.
       void getMinBorderDist (int &start, int &end) const
       void setMinBorderDist (int start, int end)
       void setMargin (int)
           Specify the margin to the colorBar/base line.
       int margin () const
       void setSpacing (int)
           Specify the distance between color bar, scale and title.
       int spacing () const
       void setScaleDiv (const QwtScaleDiv &)
           Assign a scale division.
       void setTransformation (QwtTransform *)
       void setScaleDraw (QwtScaleDraw *)
       const QwtScaleDraw * scaleDraw () const
       QwtScaleDraw * scaleDraw ()
       void setLabelAlignment (Qt::Alignment)
           Change the alignment for the labels.
       void setLabelRotation (double rotation)
           Change the rotation for the labels. See QwtScaleDraw::setLabelRotation().
       void setColorBarEnabled (bool)
       bool isColorBarEnabled () const
       void setColorBarWidth (int)
       int colorBarWidth () const
       void setColorMap (const QwtInterval &, QwtColorMap *)
       QwtIntervalcolorBarInterval () const
       const QwtColorMap * colorMap () const
       virtual QSize sizeHint () const
       virtual QSize minimumSizeHint () const
       int titleHeightForWidth (int width) const
           Find the height of the title for a given width.
       int dimForLength (int length, const QFont &scaleFont) const
           Find the minimum dimension for a given length. dim is the height, length the width seen in direction
           of the title.
       void drawColorBar (QPainter *painter, const QRectF &) const
       void drawTitle (QPainter *painter, QwtScaleDraw::Alignment, const QRectF &rect) const
       void setAlignment (QwtScaleDraw::Alignment)
       QwtScaleDraw::Alignmentalignment () const
       QRectF colorBarRect (const QRectF &) const

   ProtectedMemberFunctions
       virtual void paintEvent (QPaintEvent *)
           paintEvent
       virtual void resizeEvent (QResizeEvent *)
       void draw (QPainter *) const
           draw the scale
       void scaleChange ()
           Notify a change of the scale.
       void layoutScale (bool update_geometry=true)