conflicting packages
QwtSymbol(3) | Qwt User's Guide | QwtSymbol(3) |
NAME¶
QwtSymbol -SYNOPSIS¶
#include <qwt_symbol.h>Public Types¶
enum Style { NoSymbol = -1, Ellipse, Rect, Diamond, Triangle, DTriangle, UTriangle, LTriangle, RTriangle, Cross, XCross, HLine, VLine, Star1, Star2, Hexagon, StyleCnt }
Public Member Functions¶
QwtSymbol ()
Detailed Description¶
A class for drawing symbols.Member Enumeration Documentation¶
enum QwtSymbol::Style¶
Style See also:setStyle(), style()
Constructor & Destructor Documentation¶
QwtSymbol::QwtSymbol ()¶
Default Constructor The symbol is constructed with gray interior, black outline with zero width, no size and style 'NoSymbol'.QwtSymbol::QwtSymbol ( QwtSymbol::Stylestyle, const QBrush &brush, const QPen &pen, const QSize &size)¶
Constructor. Parameters:style Symbol Style
brush brush to fill the interior
pen outline pen
size size
Member Function Documentation¶
QwtSymbol * QwtSymbol::clone () const [virtual]¶
Allocate and return a symbol with the same attributes Returns:Cloned symbol
void QwtSymbol::draw (QPainter *painter, const QPoint &pos) const¶
Draw the symbol at a specified point. Parameters:painter Painter
pos Center of the symbol
void QwtSymbol::draw (QPainter *painter, const QRect &r) const [virtual]¶
Draw the symbol into a bounding rectangle. This function assumes that the painter has been initialized with brush and pen before. This allows a much more performant implementation when painting many symbols with the same brush and pen like in curves. Parameters:painter Painter
r Bounding rectangle
void QwtSymbol::setBrush (const QBrush &brush)¶
Assign a brush. The brush is used to draw the interior of the symbol. Parameters:brush Brush
void QwtSymbol::setPen (const QPen &pen)¶
Assign a pen The pen is used to draw the symbol's outline. The width of non cosmetic pens is scaled according to the resolution of the paint device. Parameters:pen Pen
See also:
pen(), setBrush(),
QwtPainter::scaledPen()
void QwtSymbol::setSize (const QSize &size)¶
Set the symbol's size Parameters:size Size
void QwtSymbol::setSize (intwidth, intheight = -1)¶
Specify the symbol's size. If the 'h' parameter is left out or less than 0, and the 'w' parameter is greater than or equal to 0, the symbol size will be set to (w,w). Parameters:width Width
height Height (defaults to -1)
void QwtSymbol::setStyle ( QwtSymbol::Styles)¶
Specify the symbol style. The following styles are defined:- NoSymbol
- No Style. The symbol cannot be drawn.
- Ellipse
- Ellipse or circle
- Rect
- Rectangle
- Diamond
- Diamond
- Triangle
- Triangle pointing upwards
- DTriangle
- Triangle pointing downwards
- UTriangle
- Triangle pointing upwards
- LTriangle
- Triangle pointing left
- RTriangle
- Triangle pointing right
- Cross
- Cross (+)
- XCross
- Diagonal cross (X)
- HLine
- Horizontal line
- VLine
- Vertical line
- Star1
- X combined with +
- Star2
- Six-pointed star
- Hexagon
- Hexagon
s style
Author¶
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