The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
QwtPlotPanner – QwtPlotPanner provides panning of a plot canvas. Synopsis#include <qwt_plot_panner.h> Inherits QwtPanner. Public Member FunctionsQwtPlotPanner (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 plot widget,…
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 Typesenum ChartStyle { Grouped, Stacked } Chart styles. Public Member FunctionsQwtPlotMultiBarChart (const QString &title=QString::null) QwtPlotMultiBarChart (const QwtText &title) virtual ~QwtPlotMultiBarChart () Destructor. virtual int rtti () const void setBarTitles…
QwtPlotMarker – A class for drawing markers. Synopsis#include <qwt_plot_marker.h> Inherits QwtPlotItem. Public Typesenum LineStyle { NoLine, HLine, VLine, Cross } Public Member FunctionsQwtPlotMarker (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 rtti () const…
QwtPlotMagnifier – QwtPlotMagnifier provides zooming, by magnifying in steps. Synopsis#include <qwt_plot_magnifier.h> Inherits QwtMagnifier. Public Member FunctionsQwtPlotMagnifier (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 canvas. QwtPlot…
QwtPlotLegendItem – A class which draws a legend inside the plot canvas. Synopsis#include <qwt_plot_legenditem.h> Inherits QwtPlotItem. Public Typesenum BackgroundMode { LegendBackground, ItemBackground } Background mode. Public Member FunctionsQwtPlotLegendItem () Constructor. virtual ~QwtPlotLegendItem () Destructor. virtual int rtti () const void setAlignment (Qt::Alignment) Set the alignmnet. Qt::Alignment alignment () const void setMaxColumns (uint) Limit the number…
QwtPlotLayout – Layout engine for QwtPlot. Synopsis#include <qwt_plot_layout.h> Public Typesenum Option { AlignScales = 0x01, IgnoreScrollbars = 0x02, IgnoreFrames = 0x04, IgnoreLegend = 0x08, IgnoreTitle = 0x10, IgnoreFooter = 0x20 } typedef QFlags< Option > Options Layout options. Public Member FunctionsQwtPlotLayout () Constructor. virtual ~QwtPlotLayout () Destructor. void setCanvasMargin (int margin, int axis=-1) int canvasMargin…
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 Typesenum 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 type information….
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 Typesenum CurveStyle { NoCurve, Tube, UserCurve = 100 } Curve styles. The default setting is QwtPlotIntervalCurve::Tube. enum PaintAttribute { ClipPolygons = 0x01, ClipSymbol = 0x02…
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 Typesenum HistogramStyle { Outline, Columns, Lines, UserStyle = 100 } Public Member FunctionsQwtPlotHistogram (const QString &title=QString::null) QwtPlotHistogram (const QwtText &title) virtual ~QwtPlotHistogram () Destructor. virtual…
QwtPlotGrid – A class which draws a coordinate grid. Synopsis#include <qwt_plot_grid.h> Inherits QwtPlotItem. Public Member FunctionsQwtPlotGrid () 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 horizontal grid…
QwtPlotGLCanvas – An alternative canvas for a QwtPlot derived from QGLWidget. Synopsis#include <qwt_plot_glcanvas.h> Inherits QGLWidget. Public Typesenum 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 Slotsvoid replot () Calls repaint() Public Member FunctionsQwtPlotGLCanvas…
QwtPlotDirectPainter – Painter object trying to paint incrementally. Synopsis#include <qwt_plot_directpainter.h> Inherits QObject. Public Typesenum Attribute { AtomicPainter = 0x01, FullRepaint = 0x02, CopyBackingStore = 0x04 } Paint attributes. typedef QFlags< Attribute > Attributes Paint attributes. Public Member FunctionsQwtPlotDirectPainter (QObject *parent=NULL) Constructor. virtual ~QwtPlotDirectPainter () Destructor. void setAttribute (Attribute, bool on) bool testAttribute (Attribute) const void…
QwtPlotDict – A dictionary for plot items. Synopsis#include <qwt_plot_dict.h> Inherited by QwtPlot. Public Member FunctionsQwtPlotDict () virtual ~QwtPlotDict () void setAutoDelete (bool) bool autoDelete () const const QwtPlotItemList & itemList () const A QwtPlotItemList of all attached plot items. QwtPlotItemList itemList (int rtti) const void detachItems (int rtti=QwtPlotItem::Rtti_PlotItem, bool autoDelete=true) Protected Member Functionsvoid insertItem (QwtPlotItem…
QwtPlotCurve – A plot item, that represents a series of points. Synopsis#include <qwt_plot_curve.h> Inherits QwtPlotSeriesItem, and QwtSeriesStore< QPointF >. Public Typesenum CurveStyle { NoCurve = -1, Lines, Sticks, Steps, Dots, UserCurve = 100 } enum CurveAttribute { Inverted = 0x01, Fitted = 0x02 } enum LegendAttribute { LegendNoAttribute = 0x00, LegendShowLine = 0x01, LegendShowSymbol =…
QwtPlotCanvas – Canvas of a QwtPlot. Synopsis#include <qwt_plot_canvas.h> Inherits QFrame. Public Typesenum PaintAttribute { BackingStore = 1, Opaque = 2, HackStyledBackground = 4, ImmediatePaint = 8 } Paint attributes. enum FocusIndicator { NoFocusIndicator, CanvasFocusIndicator, ItemFocusIndicator } Focus indicator The default setting is NoFocusIndicator. typedef QFlags< PaintAttribute > PaintAttributes Paint attributes. Public Slotsvoid replot () Public…
QwtPlotBarChart – QwtPlotBarChart displays a series of a values as bars. Synopsis#include <qwt_plot_barchart.h> Inherits QwtPlotAbstractBarChart, and QwtSeriesStore< QPointF >. Public Typesenum LegendMode { LegendChartTitle, LegendBarTitles } Legend modes. Public Member FunctionsQwtPlotBarChart (const QString &title=QString::null) QwtPlotBarChart (const QwtText &title) virtual ~QwtPlotBarChart () Destructor. virtual int rtti () const void setSamples (const QVector< QPointF > &) void…
QwtPlotAbstractBarChart – Abstract base class for bar chart items. Synopsis#include <qwt_plot_abstract_barchart.h> Inherits QwtPlotSeriesItem. Inherited by QwtPlotBarChart, and QwtPlotMultiBarChart. Public Typesenum LayoutPolicy { AutoAdjustSamples, ScaleSamplesToAxes, ScaleSampleToCanvas, FixedSampleSize } Mode how to calculate the bar width. Public Member FunctionsQwtPlotAbstractBarChart (const QwtText &title) virtual ~QwtPlotAbstractBarChart () Destructor. void setLayoutPolicy (LayoutPolicy) LayoutPolicy layoutPolicy () const void setLayoutHint (double) double…
QwtPlot – A 2-D plotting widget. Synopsis#include <qwt_plot.h> Inherits QFrame, and QwtPlotDict. Public Typesenum Axis { yLeft, yRight, xBottom, xTop, axisCnt } Axis index. enum LegendPosition { LeftLegend, RightLegend, BottomLegend, TopLegend } Public Slotsvirtual void replot () Redraw the plot. void autoRefresh () Replots the plot if autoReplot() is true. Signalsvoid itemAttached (QwtPlotItem *plotItem, bool…
QwtPlainTextEngine – A text engine for plain texts. Synopsis#include <qwt_text_engine.h> Inherits QwtTextEngine. Public Member FunctionsQwtPlainTextEngine () Constructor. virtual ~QwtPlainTextEngine () Destructor. virtual double heightForWidth (const QFont &font, int flags, const QString &text, double width) const virtual QSizeF textSize (const QFont &font, int flags, const QString &text) const virtual void draw (QPainter *painter, const QRectF &rect,…
QwtPixelMatrix – A bit field corresponding to the pixels of a rectangle. Synopsis#include <qwt_pixel_matrix.h> Inherits QBitArray. Public Member FunctionsQwtPixelMatrix (const QRect &rect) Constructor. ~QwtPixelMatrix () Destructor. void setRect (const QRect &rect) QRect rect () const bool testPixel (int x, int y) const Test if a pixel has been set. bool testAndSetPixel (int x, int y,…