313 lines
6.2 KiB
Groff
313 lines
6.2 KiB
Groff
.TH "QwtIntervalSymbol" 3 "Sun Jul 18 2021" "Version 6.2.0" "Qwt User's Guide" \" -*- nroff -*-
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.ad l
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.nh
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.SH NAME
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QwtIntervalSymbol \- A drawing primitive for displaying an interval like an error bar\&.
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.SH SYNOPSIS
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.br
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.PP
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.PP
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\fC#include <qwt_interval_symbol\&.h>\fP
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.SS "Public Types"
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.in +1c
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.ti -1c
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.RI "enum \fBStyle\fP { \fBNoSymbol\fP = -1, \fBBar\fP, \fBBox\fP, \fBUserSymbol\fP = 1000 }"
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.br
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.RI "Symbol style\&. "
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.in -1c
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.SS "Public Member Functions"
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.in +1c
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.RI "\fBQwtIntervalSymbol\fP (\fBStyle\fP=\fBNoSymbol\fP)"
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.br
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.ti -1c
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.RI "\fBQwtIntervalSymbol\fP (const \fBQwtIntervalSymbol\fP &)"
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.RI "Copy constructor\&. "
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.ti -1c
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.RI "virtual \fB~QwtIntervalSymbol\fP ()"
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.br
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.RI "Destructor\&. "
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.ti -1c
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.RI "\fBQwtIntervalSymbol\fP & \fBoperator=\fP (const \fBQwtIntervalSymbol\fP &)"
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.br
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.RI "Assignment operator\&. "
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.ti -1c
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.RI "bool \fBoperator==\fP (const \fBQwtIntervalSymbol\fP &) const"
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.br
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.RI "Compare two symbols\&. "
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.ti -1c
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.RI "bool \fBoperator!=\fP (const \fBQwtIntervalSymbol\fP &) const"
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.br
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.RI "Compare two symbols\&. "
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.RI "void \fBsetWidth\fP (int)"
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.RI "int \fBwidth\fP () const"
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.RI "void \fBsetBrush\fP (const QBrush &)"
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.RI "Assign a brush\&. "
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.RI "const QBrush & \fBbrush\fP () const"
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.br
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.RI "void \fBsetPen\fP (const QColor &, qreal \fBwidth\fP=0\&.0, Qt::PenStyle=Qt::SolidLine)"
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.RI "void \fBsetPen\fP (const QPen &)"
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.RI "const QPen & \fBpen\fP () const"
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.RI "void \fBsetStyle\fP (\fBStyle\fP)"
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.RI "\fBStyle\fP \fBstyle\fP () const"
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.RI "virtual void \fBdraw\fP (QPainter *, Qt::Orientation, const QPointF &from, const QPointF &to) const"
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.br
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.in -1c
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.SH "Detailed Description"
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.PP
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A drawing primitive for displaying an interval like an error bar\&.
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.PP
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\fBSee also\fP
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.RS 4
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\fBQwtPlotIntervalCurve\fP
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.RE
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.PP
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.PP
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Definition at line 27 of file qwt_interval_symbol\&.h\&.
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.SH "Member Enumeration Documentation"
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.PP
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.SS "enum \fBQwtIntervalSymbol::Style\fP"
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.PP
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Symbol style\&.
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.PP
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\fBEnumerator\fP
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.in +1c
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.TP
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\fB\fINoSymbol \fP\fP
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No Style\&. The symbol cannot be drawn\&.
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.TP
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\fB\fIBar \fP\fP
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The symbol displays a line with caps at the beginning/end\&. The size of the caps depends on the symbol \fBwidth()\fP\&.
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.TP
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\fB\fIBox \fP\fP
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The symbol displays a plain rectangle using \fBpen()\fP and \fBbrush()\fP\&. The size of the rectangle depends on the translated interval and the \fBwidth()\fP,
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.TP
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\fB\fIUserSymbol \fP\fP
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Styles >= UserSymbol are reserved for derived classes of \fBQwtIntervalSymbol\fP that overload \fBdraw()\fP with additional application specific symbol types\&.
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.PP
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Definition at line 31 of file qwt_interval_symbol\&.h\&.
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.SH "Constructor & Destructor Documentation"
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.PP
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.SS "QwtIntervalSymbol::QwtIntervalSymbol (\fBStyle\fP style = \fC\fBNoSymbol\fP\fP)\fC [explicit]\fP"
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Constructor
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.PP
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\fBParameters\fP
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.RS 4
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\fIstyle\fP Style of the symbol
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBsetStyle()\fP, \fBstyle()\fP, \fBStyle\fP
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.RE
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.PP
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.PP
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Definition at line 47 of file qwt_interval_symbol\&.cpp\&.
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.SH "Member Function Documentation"
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.PP
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.SS "const QBrush & QwtIntervalSymbol::brush () const"
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.PP
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\fBReturns\fP
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.RS 4
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Brush
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBsetBrush()\fP
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.RE
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.PP
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.PP
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Definition at line 146 of file qwt_interval_symbol\&.cpp\&.
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.SS "void QwtIntervalSymbol::draw (QPainter * painter, Qt::Orientation orientation, const QPointF & from, const QPointF & to) const\fC [virtual]\fP"
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Draw a symbol depending on its style
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.PP
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\fBParameters\fP
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.RS 4
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\fIpainter\fP Painter
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.br
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\fIorientation\fP Orientation
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.br
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\fIfrom\fP Start point of the interval in target device coordinates
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.br
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\fIto\fP End point of the interval in target device coordinates
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBsetStyle()\fP
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.RE
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.PP
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.PP
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Definition at line 200 of file qwt_interval_symbol\&.cpp\&.
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.SS "const QPen & QwtIntervalSymbol::pen () const"
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.PP
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\fBReturns\fP
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.RS 4
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Pen
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBsetPen()\fP, \fBbrush()\fP
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.RE
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.PP
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.PP
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Definition at line 185 of file qwt_interval_symbol\&.cpp\&.
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.SS "void QwtIntervalSymbol::setBrush (const QBrush & brush)"
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.PP
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Assign a brush\&. The brush is used for the Box style\&.
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.PP
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\fBParameters\fP
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.RS 4
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\fIbrush\fP Brush
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBbrush()\fP
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.RE
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.PP
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.PP
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Definition at line 137 of file qwt_interval_symbol\&.cpp\&.
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.SS "void QwtIntervalSymbol::setPen (const QColor & color, qreal width = \fC0\&.0\fP, Qt::PenStyle style = \fCQt::SolidLine\fP)"
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Build and assign a pen
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.PP
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In Qt5 the default pen width is 1\&.0 ( 0\&.0 in Qt4 ) what makes it non cosmetic ( see QPen::isCosmetic() )\&. This method has been introduced to hide this incompatibility\&.
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.PP
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\fBParameters\fP
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.RS 4
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\fIcolor\fP Pen color
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\fIwidth\fP Pen width
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\fIstyle\fP Pen style
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBpen()\fP, \fBbrush()\fP
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.RE
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.PP
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.PP
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Definition at line 164 of file qwt_interval_symbol\&.cpp\&.
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.SS "void QwtIntervalSymbol::setPen (const QPen & pen)"
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Assign a pen
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.PP
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\fBParameters\fP
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.RS 4
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\fIpen\fP Pen
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBpen()\fP, \fBsetBrush()\fP
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.RE
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.PP
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.PP
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Definition at line 176 of file qwt_interval_symbol\&.cpp\&.
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.SS "void QwtIntervalSymbol::setStyle (\fBStyle\fP style)"
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Specify the symbol style
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.PP
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\fBParameters\fP
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.RS 4
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\fIstyle\fP Style
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBstyle()\fP, \fBStyle\fP
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.RE
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.PP
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.PP
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Definition at line 94 of file qwt_interval_symbol\&.cpp\&.
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.SS "void QwtIntervalSymbol::setWidth (int width)"
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Specify the width of the symbol It is used depending on the style\&.
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.PP
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\fBParameters\fP
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.RS 4
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\fIwidth\fP Width
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBwidth()\fP, \fBsetStyle()\fP
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.RE
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.PP
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.PP
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Definition at line 115 of file qwt_interval_symbol\&.cpp\&.
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.SS "\fBQwtIntervalSymbol::Style\fP QwtIntervalSymbol::style () const"
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.PP
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\fBReturns\fP
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.RS 4
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Current symbol style
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBsetStyle()\fP
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.RE
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.PP
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.PP
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Definition at line 103 of file qwt_interval_symbol\&.cpp\&.
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.SS "int QwtIntervalSymbol::width () const"
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.PP
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\fBReturns\fP
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.RS 4
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Width of the symbol\&.
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBsetWidth()\fP, \fBsetStyle()\fP
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.RE
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.PP
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Definition at line 124 of file qwt_interval_symbol\&.cpp\&.
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.SH "Author"
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.PP
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Generated automatically by Doxygen for Qwt User's Guide from the source code\&.
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