conflicting packages
QwtPlotMarker(3) | Qwt User's Guide | QwtPlotMarker(3) |
NAME¶
QwtPlotMarker -SYNOPSIS¶
#include <qwt_plot_marker.h> Inherits QwtPlotItem.Public Types¶
enum LineStyle { NoLine, HLine, VLine, Cross }
Public Member Functions¶
QwtPlotMarker ()
Protected Member Functions¶
void drawAt (QPainter *, const QRect &, const QPoint &) const
Detailed Description¶
A class for drawing markers. A marker can be a horizontal line, a vertical line, a symbol, a label or any combination of them, which can be drawn around a center point inside a bounding rectangle. The QwtPlotMarker::setSymbol() member assigns a symbol to the marker. The symbol is drawn at the specified point. With QwtPlotMarker::setLabel(), a label can be assigned to the marker. The QwtPlotMarker::setLabelAlignment() member specifies where the label is drawn. All the Align*-constants in Qt::AlignmentFlags (see Qt documentation) are valid. The interpretation of the alignment depends on the marker's line style. The alignment refers to the center point of the marker, which means, for example, that the label would be printed left above the center point if the alignment was set to AlignLeft|AlignTop.Member Enumeration Documentation¶
enum QwtPlotMarker::LineStyle¶
Line styles. See also:setLineStyle(), lineStyle()
Member Function Documentation¶
QwtDoubleRect QwtPlotMarker::boundingRect () const [virtual]¶
Returns:An invalid bounding rect: QwtDoubleRect(1.0, 1.0, -2.0,
-2.0)
Reimplemented from QwtPlotItem.
void QwtPlotMarker::draw (QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRect &canvasRect) const [virtual]¶
Draw the marker Parameters:painter Painter
xMap x Scale Map
yMap y Scale Map
canvasRect Contents rect of the canvas in painter coordinates
Implements QwtPlotItem.
void QwtPlotMarker::drawAt (QPainter *painter, const QRect &canvasRect, const QPoint &pos) const [protected]¶
Draw the marker at a specific position Parameters:painter Painter
canvasRect Contents rect of the canvas in painter coordinates
pos Position of the marker in painter coordinates
QwtText QwtPlotMarker::label () const¶
Returns:the label
See also:
setLabel()
Qt::Alignment QwtPlotMarker::labelAlignment () const¶
Returns:the label alignment
See also:
setLabelAlignment(),
setLabelOrientation()
Qt::Orientation QwtPlotMarker::labelOrientation () const¶
Returns:the label orientation
See also:
setLabelOrientation(),
labelAlignment()
const QPen & QwtPlotMarker::linePen () const¶
Returns:the line pen
See also:
setLinePen()
QwtPlotMarker::LineStyle QwtPlotMarker::lineStyle () const¶
Returns:the line style
See also:
For a description of line styles, see
QwtPlotMarker::setLineStyle()
int QwtPlotMarker::rtti () const [virtual]¶
Returns:QwtPlotItem::Rtti_PlotMarker
Reimplemented from QwtPlotItem.
void QwtPlotMarker::setLabel (const QwtText &label)¶
Set the label. Parameters:label label text
See also:
label()
void QwtPlotMarker::setLabelAlignment (Qt::Alignmentalign)¶
Set the alignment of the label. In case of QwtPlotMarker::HLine the alignment is relative to the y position of the marker, but the horizontal flags correspond to the canvas rectangle. In case of QwtPlotMarker::VLine the alignment is relative to the x position of the marker, but the vertical flags correspond to the canvas rectangle. In all other styles the alignment is relative to the marker's position. Parameters:align Alignment. A combination of AlignTop,
AlignBottom, AlignLeft, AlignRight, AlignCenter, AlgnHCenter,
AlignVCenter.
See also:
labelAlignment(), labelOrientation()
void QwtPlotMarker::setLabelOrientation (Qt::Orientationorientation)¶
Set the orientation of the label. When orientation is Qt::Vertical the label is rotated by 90.0 degrees ( from bottom to top ). Parameters:orientation Orientation of the label
See also:
labelOrientation(),
setLabelAlignment()
void QwtPlotMarker::setLinePen (const QPen &pen)¶
Specify a pen for the line. The width of non cosmetic pens is scaled according to the resolution of the paint device. Parameters:pen New pen
See also:
linePen(), QwtPainter::scaledPen()
void QwtPlotMarker::setLineStyle ( QwtPlotMarker::LineStylest)¶
Set the line style. Parameters:st Line style. Can be one of
QwtPlotMarker::NoLine, HLine, VLine or Cross
See also:
lineStyle()
void QwtPlotMarker::setSpacing (intspacing)¶
Set the spacing. When the label is not centered on the marker position, the spacing is the distance between the position and the label. Parameters:spacing Spacing
See also:
spacing(), setLabelAlignment()
void QwtPlotMarker::setSymbol (const QwtSymbol &s)¶
Assign a symbol. Parameters:s New symbol
See also:
symbol()
int QwtPlotMarker::spacing () const¶
Returns:the spacing
See also:
setSpacing()
const QwtSymbol & QwtPlotMarker::symbol () const¶
Returns:the symbol
See also:
setSymbol(), QwtSymbol
Author¶
Generated automatically by Doxygen for Qwt User's Guide from the source code.Tue Nov 20 2012 | Version 5.2.3 |