QwtPlotShapeItem – A plot item, which displays any graphical shape, that can be defined by a QPainterPath. Synopsis #include <qwt_plot_shapeitem.h> Inherits QwtPlotItem. Public Types enum PaintAttribute { ClipPolygons = 0x01 } enum LegendMode { LegendShape, LegendColor } Mode how to display the item on the legend. typedef QFlags< PaintAttribute > PaintAttributes Paint attributes. Public Member…
QwtPlotSeriesItem – Base class for plot items representing a series of samples. Synopsis #include <qwt_plot_seriesitem.h> Inherits QwtPlotItem, and QwtAbstractSeriesStore. Inherited by QwtPlotAbstractBarChart, QwtPlotCurve, QwtPlotHistogram, QwtPlotIntervalCurve, QwtPlotSpectroCurve, and QwtPlotTradingCurve. Public Member Functions QwtPlotSeriesItem (const QString &title=QString::null) QwtPlotSeriesItem (const QwtText &title) virtual ~QwtPlotSeriesItem () Destructor. void setOrientation (Qt::Orientation) Qt::Orientation orientation () const virtual void draw (QPainter *p,…
QwtPlotScaleItem – A class which draws a scale inside the plot canvas. Synopsis #include <qwt_plot_scaleitem.h> Inherits QwtPlotItem. Public Member Functions QwtPlotScaleItem (QwtScaleDraw::Alignment=QwtScaleDraw::BottomScale, const double pos=0.0) Constructor for scale item at the position pos. virtual ~QwtPlotScaleItem () Destructor. virtual int rtti () const void setScaleDiv (const QwtScaleDiv &) Assign a scale division. const QwtScaleDiv & scaleDiv…
QwtPlotRescaler – QwtPlotRescaler takes care of fixed aspect ratios for plot scales. Synopsis #include <qwt_plot_rescaler.h> Inherits QObject. Public Types enum RescalePolicy { Fixed, Expanding, Fitting } enum ExpandingDirection { ExpandUp, ExpandDown, ExpandBoth } Public Member Functions QwtPlotRescaler (QWidget *canvas, int referenceAxis=QwtPlot::xBottom, RescalePolicy=Expanding) virtual ~QwtPlotRescaler () Destructor. void setEnabled (bool) En/disable the rescaler. bool isEnabled ()…
QwtPlotRenderer – Renderer for exporting a plot to a document, a printer or anything else, that is supported by QPainter/QPaintDevice. Synopsis #include <qwt_plot_renderer.h> Inherits QObject. Public Types enum DiscardFlag { DiscardNone = 0x00, DiscardBackground = 0x01, DiscardTitle = 0x02, DiscardLegend = 0x04, DiscardCanvasBackground = 0x08, DiscardFooter = 0x10, DiscardCanvasFrame = 0x20 } Disard flags. enum…
QwtPlotRasterItem – A class, which displays raster data. Synopsis #include <qwt_plot_rasteritem.h> Inherits QwtPlotItem. Inherited by QwtPlotSpectrogram. Public Types enum CachePolicy { NoCache, PaintCache } Cache policy The default policy is NoCache. enum PaintAttribute { PaintInDeviceResolution = 1 } typedef QFlags< PaintAttribute > PaintAttributes Paint attributes. Public Member Functions QwtPlotRasterItem (const QString &title=QString::null) Constructor. QwtPlotRasterItem (const…
QwtPlotPrintFilter – A base class for plot print filters. Synopsis #include <qwt_plot_printfilter.h> Public Types enum Options { PrintMargin = 1, PrintTitle = 2, PrintLegend = 4, PrintGrid = 8, PrintBackground = 16, PrintFrameWithScales = 32, PrintAll = ~PrintFrameWithScales } enum Item { Title, Legend, Curve, CurveSymbol, Marker, MarkerSymbol, MajorGrid, MinorGrid, CanvasBackground, AxisScale, AxisTitle, WidgetBackground }…
QwtPlotPicker – QwtPlotPicker provides selections on a plot canvas. Synopsis #include <qwt_plot_picker.h> Inherits QwtPicker. Inherited by QwtPlotZoomer. Signals void selected (const QPointF &pos) void selected (const QRectF &rect) void selected (const QVector< QPointF > &pa) void appended (const QPointF &pos) void moved (const QPointF &pos) Public Member Functions QwtPlotPicker (QWidget *canvas) Create a plot picker….
QwtPlotPanner – QwtPlotPanner provides panning of a plot canvas. Synopsis #include <qwt_plot_panner.h> Inherits QwtPanner. Public Member Functions QwtPlotPanner (QWidget *) A panner for the canvas of a QwtPlot. virtual ~QwtPlotPanner () Destructor. QWidget * canvas () Return observed plot canvas. const QWidget * canvas () const Return Observed plot canvas. QwtPlot * plot () Return…
QwtPlotMultiBarChart – QwtPlotMultiBarChart displays a series of a samples that consist each of a set of values. Synopsis #include <qwt_plot_multi_barchart.h> Inherits QwtPlotAbstractBarChart, and QwtSeriesStore< QwtSetSample >. Public Types enum ChartStyle { Grouped, Stacked } Chart styles. Public Member Functions QwtPlotMultiBarChart (const QString &title=QString::null) QwtPlotMultiBarChart (const QwtText &title) virtual ~QwtPlotMultiBarChart () Destructor. virtual int rtti ()…
QwtPlotMarker – A class for drawing markers. Synopsis #include <qwt_plot_marker.h> Inherits QwtPlotItem. Public Types enum LineStyle { NoLine, HLine, VLine, Cross } Public Member Functions QwtPlotMarker (const QString &title=QString::null) Sets alignment to Qt::AlignCenter, and style to QwtPlotMarker::NoLine. QwtPlotMarker (const QwtText &title) Sets alignment to Qt::AlignCenter, and style to QwtPlotMarker::NoLine. virtual ~QwtPlotMarker () Destructor. virtual int…
QwtPlotMagnifier – QwtPlotMagnifier provides zooming, by magnifying in steps. Synopsis #include <qwt_plot_magnifier.h> Inherits QwtMagnifier. Public Member Functions QwtPlotMagnifier (QWidget *) virtual ~QwtPlotMagnifier () Destructor. void setAxisEnabled (int axis, bool on) En/Disable an axis. bool isAxisEnabled (int axis) const QWidget * canvas () Return observed plot canvas. const QWidget * canvas () const Return Observed plot…
QwtPlotLegendItem – A class which draws a legend inside the plot canvas. Synopsis #include <qwt_plot_legenditem.h> Inherits QwtPlotItem. Public Types enum BackgroundMode { LegendBackground, ItemBackground } Background mode. Public Member Functions QwtPlotLegendItem () Constructor. virtual ~QwtPlotLegendItem () Destructor. virtual int rtti () const void setAlignment (Qt::Alignment) Set the alignmnet. Qt::Alignment alignment () const void setMaxColumns (uint)…
QwtPlotLayout – Layout engine for QwtPlot. Synopsis #include <qwt_plot_layout.h> Public Types enum Option { AlignScales = 0x01, IgnoreScrollbars = 0x02, IgnoreFrames = 0x04, IgnoreLegend = 0x08, IgnoreTitle = 0x10, IgnoreFooter = 0x20 } typedef QFlags< Option > Options Layout options. Public Member Functions QwtPlotLayout () Constructor. virtual ~QwtPlotLayout () Destructor. void setCanvasMargin (int margin, int…
QwtPlotItem – Base class for items on the plot canvas. Synopsis #include <qwt_plot_item.h> Inherited by QwtPlotGrid, QwtPlotLegendItem, QwtPlotMarker, QwtPlotRasterItem, QwtPlotScaleItem, QwtPlotSeriesItem, QwtPlotShapeItem, QwtPlotSvgItem, QwtPlotTextLabel, and QwtPlotZoneItem. Public Types enum RttiValues { Rtti_PlotItem = 0, Rtti_PlotGrid, Rtti_PlotScale, Rtti_PlotLegend, Rtti_PlotMarker, Rtti_PlotCurve, Rtti_PlotSpectroCurve, Rtti_PlotIntervalCurve, Rtti_PlotHistogram, Rtti_PlotSpectrogram, Rtti_PlotSVG, Rtti_PlotTradingCurve, Rtti_PlotBarChart, Rtti_PlotMultiBarChart, Rtti_PlotShape, Rtti_PlotTextLabel, Rtti_PlotZone, Rtti_PlotUserItem = 1000 } Runtime…
QwtPlotIntervalCurve – QwtPlotIntervalCurve represents a series of samples, where each value is associated with an interval ( $[y1,y2] = f(x)$ ). Synopsis #include <qwt_plot_intervalcurve.h> Inherits QwtPlotSeriesItem, and QwtSeriesStore< QwtIntervalSample >. Public Types enum CurveStyle { NoCurve, Tube, UserCurve = 100 } Curve styles. The default setting is QwtPlotIntervalCurve::Tube. enum PaintAttribute { ClipPolygons = 0x01, ClipSymbol…
QwtPlotHistogram – QwtPlotHistogram represents a series of samples, where an interval is associated with a value ( $y = f([x1,x2])$ ). Synopsis #include <qwt_plot_histogram.h> Inherits QwtPlotSeriesItem, and QwtSeriesStore< QwtIntervalSample >. Public Types enum HistogramStyle { Outline, Columns, Lines, UserStyle = 100 } Public Member Functions QwtPlotHistogram (const QString &title=QString::null) QwtPlotHistogram (const QwtText &title) virtual ~QwtPlotHistogram…
QwtPlotGrid – A class which draws a coordinate grid. Synopsis #include <qwt_plot_grid.h> Inherits QwtPlotItem. Public Member Functions QwtPlotGrid () Enables major grid, disables minor grid. virtual ~QwtPlotGrid () Destructor. virtual int rtti () const void enableX (bool tf) Enable or disable vertical grid lines. bool xEnabled () const void enableY (bool tf) Enable or disable…
QwtPlotGLCanvas – An alternative canvas for a QwtPlot derived from QGLWidget. Synopsis #include <qwt_plot_glcanvas.h> Inherits QGLWidget. Public Types enum Shadow { Plain = QFrame::Plain, Raised = QFrame::Raised, Sunken = QFrame::Sunken } Frame shadow. enum Shape { NoFrame = QFrame::NoFrame, Box = QFrame::Box, Panel = QFrame::Panel } Frame shape. Public Slots void replot () Calls repaint()…
QwtPlotDirectPainter – Painter object trying to paint incrementally. Synopsis #include <qwt_plot_directpainter.h> Inherits QObject. Public Types enum Attribute { AtomicPainter = 0x01, FullRepaint = 0x02, CopyBackingStore = 0x04 } Paint attributes. typedef QFlags< Attribute > Attributes Paint attributes. Public Member Functions QwtPlotDirectPainter (QObject *parent=NULL) Constructor. virtual ~QwtPlotDirectPainter () Destructor. void setAttribute (Attribute, bool on) bool testAttribute…