Public Types¶

enum DiscardFlag { DiscardNone = 0x00, DiscardBackground = 0x01, DiscardTitle = 0x02, DiscardLegend = 0x04, DiscardCanvasBackground = 0x08, DiscardFooter = 0x10, DiscardCanvasFrame = 0x20 }
Discard flags. enum LayoutFlag { DefaultLayout = 0x00, FrameWithScales = 0x01 }
Layout flags. typedef QFlags< DiscardFlag > DiscardFlags
typedef QFlags< LayoutFlag > LayoutFlags

Public Member Functions¶

QwtPlotRenderer (QObject *=NULL)
virtual ~QwtPlotRenderer ()
Destructor. void setDiscardFlag (DiscardFlag flag, bool on=true)
bool testDiscardFlag (DiscardFlag flag) const
void setDiscardFlags (DiscardFlags flags)
DiscardFlags discardFlags () const
void setLayoutFlag (LayoutFlag flag, bool on=true)
bool testLayoutFlag (LayoutFlag flag) const
void setLayoutFlags (LayoutFlags flags)
LayoutFlags layoutFlags () const
void renderDocument (QwtPlot *, const QString &fileName, const QSizeF &sizeMM, int resolution=85)
void renderDocument (QwtPlot *, const QString &fileName, const QString &format, const QSizeF &sizeMM, int resolution=85)
void renderTo (QwtPlot *, QPrinter &) const
Render the plot to a QPrinter. void renderTo (QwtPlot *, QPaintDevice &) const
Render the plot to a QPaintDevice. virtual void render (QwtPlot *, QPainter *, const QRectF &plotRect) const
virtual void renderTitle (const QwtPlot *, QPainter *, const QRectF &titleRect) const
virtual void renderFooter (const QwtPlot *, QPainter *, const QRectF &footerRect) const
virtual void renderScale (const QwtPlot *, QPainter *, QwtAxisId, int startDist, int endDist, int baseDist, const QRectF &scaleRect) const
Paint a scale into a given rectangle. Paint the scale into a given rectangle. virtual void renderCanvas (const QwtPlot *, QPainter *, const QRectF &canvasRect, const QwtScaleMap *maps) const
virtual void renderLegend (const QwtPlot *, QPainter *, const QRectF &legendRect) const
bool exportTo (QwtPlot *, const QString &documentName, const QSizeF &sizeMM=QSizeF(300, 200), int resolution=85)
Execute a file dialog and render the plot to the selected file.

typedef QFlags<DiscardFlag > QwtPlotRenderer::DiscardFlags¶

An ORed combination of DiscardFlag values.

Definition at line 76 of file qwt_plot_renderer.h.

typedef QFlags<LayoutFlag > QwtPlotRenderer::LayoutFlags¶

An ORed combination of LayoutFlag values.

Definition at line 94 of file qwt_plot_renderer.h.

enum QwtPlotRenderer::DiscardFlag¶

Discard flags.

Enumerator

DiscardNone

Render all components of the plot.

DiscardBackground

Don't render the background of the plot.

DiscardTitle

Don't render the title of the plot.

DiscardLegend

Don't render the legend of the plot.

DiscardCanvasBackground

Don't render the background of the canvas.

DiscardFooter

Don't render the footer of the plot.

DiscardCanvasFrame

Don't render the frame of the canvas

Note

Definition at line 45 of file qwt_plot_renderer.h.

enum QwtPlotRenderer::LayoutFlag¶

Layout flags.

See also

Enumerator

DefaultLayout

Use the default layout as on screen.

FrameWithScales

Instead of the scales a box is painted around the plot canvas, where the scale ticks are aligned to.

Definition at line 82 of file qwt_plot_renderer.h.

QwtPlotRenderer::QwtPlotRenderer (QObject * parent = NULL) [explicit]¶

Constructor

Parameters

Definition at line 146 of file qwt_plot_renderer.cpp.

QwtPlotRenderer::DiscardFlags QwtPlotRenderer::discardFlags () const¶

Returns

See also

Definition at line 199 of file qwt_plot_renderer.cpp.

bool QwtPlotRenderer::exportTo (QwtPlot * plot, const QString & documentName, const QSizeF & sizeMM = QSizeF( 300, 200 ), int resolution = 85)¶

Execute a file dialog and render the plot to the selected file.

Parameters

Returns

See also

Definition at line 1060 of file qwt_plot_renderer.cpp.

QwtPlotRenderer::LayoutFlags QwtPlotRenderer::layoutFlags () const¶

Returns

See also

Definition at line 245 of file qwt_plot_renderer.cpp.

void QwtPlotRenderer::render (QwtPlot * plot, QPainter * painter, const QRectF & plotRect) const [virtual]¶

Paint the contents of a QwtPlot instance into a given rectangle.

Parameters

See also

Definition at line 482 of file qwt_plot_renderer.cpp.

void QwtPlotRenderer::renderCanvas (const QwtPlot * plot, QPainter * painter, const QRectF & canvasRect, const QwtScaleMap * maps) const [virtual]¶

Render the canvas into a given rectangle.

Parameters

Definition at line 831 of file qwt_plot_renderer.cpp.

void QwtPlotRenderer::renderDocument (QwtPlot * plot, const QString & fileName, const QSizeF & sizeMM, int resolution = 85)¶

Render a plot to a file

The format of the document will be auto-detected from the suffix of the file name.

Parameters

Definition at line 261 of file qwt_plot_renderer.cpp.

void QwtPlotRenderer::renderDocument (QwtPlot * plot, const QString & fileName, const QString & format, const QSizeF & sizeMM, int resolution = 85)¶

Render a plot to a file

Supported formats are:

• pdf
  Portable Document Format PDF
• ps
  Postcript
• svg
  Scalable Vector Graphics SVG
• all image formats supported by Qt
  see QImageWriter::supportedImageFormats()

Scalable vector graphic formats like PDF or SVG are superior to raster graphics formats.

Parameters

See also

Definition at line 293 of file qwt_plot_renderer.cpp.

void QwtPlotRenderer::renderFooter (const QwtPlot * plot, QPainter * painter, const QRectF & footerRect) const [virtual]¶

Render the footer into a given rectangle.

Parameters

Definition at line 692 of file qwt_plot_renderer.cpp.

void QwtPlotRenderer::renderLegend (const QwtPlot * plot, QPainter * painter, const QRectF & legendRect) const [virtual]¶

Render the legend into a given rectangle.

Parameters

Definition at line 711 of file qwt_plot_renderer.cpp.

void QwtPlotRenderer::renderScale (const QwtPlot * plot, QPainter * painter, QwtAxisId axisId, int startDist, int endDist, int baseDist, const QRectF & scaleRect) const [virtual]¶

Paint a scale into a given rectangle. Paint the scale into a given rectangle.

Parameters

Definition at line 733 of file qwt_plot_renderer.cpp.

void QwtPlotRenderer::renderTitle (const QwtPlot * plot, QPainter * painter, const QRectF & titleRect) const [virtual]¶

Render the title into a given rectangle.

Parameters

Definition at line 673 of file qwt_plot_renderer.cpp.

void QwtPlotRenderer::renderTo (QwtPlot * plot, QPaintDevice & paintDevice) const¶

Render the plot to a QPaintDevice. This function renders the contents of a QwtPlot instance to QPaintDevice object. The target rectangle is derived from its device metrics.

Parameters

See also

Definition at line 402 of file qwt_plot_renderer.cpp.

void QwtPlotRenderer::renderTo (QwtPlot * plot, QPrinter & printer) const¶

Render the plot to a QPrinter. This function renders the contents of a QwtPlot instance to QPaintDevice object. The size is derived from the printer metrics.

Parameters

See also

Definition at line 427 of file qwt_plot_renderer.cpp.

void QwtPlotRenderer::setDiscardFlag (DiscardFlag flag, bool on = true)¶

Change a flag, indicating what to discard from rendering

Parameters

See also

Definition at line 166 of file qwt_plot_renderer.cpp.

void QwtPlotRenderer::setDiscardFlags (DiscardFlags flags)¶

Set the flags, indicating what to discard from rendering

Parameters

See also

Definition at line 190 of file qwt_plot_renderer.cpp.

void QwtPlotRenderer::setLayoutFlag (LayoutFlag flag, bool on = true)¶

Change a layout flag

Parameters

See also

Definition at line 212 of file qwt_plot_renderer.cpp.

void QwtPlotRenderer::setLayoutFlags (LayoutFlags flags)¶

Set the layout flags

Parameters

See also

Definition at line 236 of file qwt_plot_renderer.cpp.

bool QwtPlotRenderer::testDiscardFlag (DiscardFlag flag) const¶

Returns

Parameters

See also

Definition at line 179 of file qwt_plot_renderer.cpp.

bool QwtPlotRenderer::testLayoutFlag (LayoutFlag flag) const¶

Returns

Parameters

See also

Definition at line 225 of file qwt_plot_renderer.cpp.