qwtplotprintfilter.3

linux下qt的第三方的一个类

.TH "QwtPlotPrintFilter" 3 "16 Nov 2004" "Version 4.2.0" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtPlotPrintFilter \- 
.SH SYNOPSIS
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.PP
.SH "Detailed Description"
.PP 
A base class for plot print filters. 

QwtPlotPrintFilter can be used to customize \fBQwtPlot::print\fP. 
.PP
Definition at line 28 of file qwt_plot_printfilter.h.
.SS "Public Types"

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.RI "enum \fBOptions\fP { \fBPrintMargin\fP =  1, \fBPrintTitle\fP =  2, \fBPrintLegend\fP =  4, \fBPrintGrid\fP =  8, \fBPrintCanvasBackground\fP =  16, \fBPrintWidgetBackground\fP =  32, \fBPrintAll\fP =  ~PrintWidgetBackground }"
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.RI "enum \fBItem\fP { \fBTitle\fP, \fBLegend\fP, \fBCurve\fP, \fBCurveSymbol\fP, \fBMarker\fP, \fBMarkerSymbol\fP, \fBMajorGrid\fP, \fBMinorGrid\fP, \fBCanvasBackground\fP, \fBAxisScale\fP, \fBAxisTitle\fP, \fBWidgetBackground\fP }"
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.SS "Public Member Functions"

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.RI "\fBQwtPlotPrintFilter\fP ()"
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.RI "virtual \fB~QwtPlotPrintFilter\fP ()"
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.RI "virtual QColor \fBcolor\fP (const QColor &, \fBItem\fP item, int id=-1) const"
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.RI "virtual QFont \fBfont\fP (const QFont &, \fBItem\fP item, int id=-1) const"
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.RI "void \fBsetOptions\fP (int options)"
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.RI "int \fBoptions\fP () const"
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.RI "virtual void \fBapply\fP (\fBQwtPlot\fP *) const"
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.RI "virtual void \fBreset\fP (\fBQwtPlot\fP *) const"
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.SH "Member Enumeration Documentation"
.PP 
.SS "enum \fBQwtPlotPrintFilter::Item\fP"
.PP
Print items. 
.PP
Definition at line 45 of file qwt_plot_printfilter.h.
.SS "enum \fBQwtPlotPrintFilter::Options\fP"
.PP
Print options. 
.PP
Definition at line 32 of file qwt_plot_printfilter.h.
.SH "Constructor & Destructor Documentation"
.PP 
.SS "QwtPlotPrintFilter::QwtPlotPrintFilter ()"
.PP
Sets filter options to QwtPlotPrintFilter::PrintAll Definition at line 66 of file qwt_plot_printfilter.cpp.
.SS "QwtPlotPrintFilter::~\fBQwtPlotPrintFilter\fP ()\fC [virtual]\fP"
.PP
Destructor. 
.PP
Definition at line 73 of file qwt_plot_printfilter.cpp.
.SH "Member Function Documentation"
.PP 
.SS "void QwtPlotPrintFilter::apply (\fBQwtPlot\fP * plot) const\fC [virtual]\fP"
.PP
Change color and fonts of a plot 
.PP
\fBSee also:\fP
.RS 4
\fBQwtPlotPrintFilter::apply\fP 
.RE
.PP
Definition at line 124 of file qwt_plot_printfilter.cpp.
.PP
References QwtSymbol::brush(), QwtPlot::canvasBackground(), color(), QwtLegendItem::curvePen(), d_cache, QwtPlot::d_curves, QwtPlot::d_grid, QwtPlot::d_lblTitle, QwtPlot::d_legend, QwtPlot::d_markers, QwtPlot::d_scale, QwtMarker::font(), font(), QwtLegend::itemIterator(), QwtMarker::labelPen(), QwtMarker::linePen(), QwtGrid::majPen(), QwtScale::minBorderDist(), QwtGrid::minPen(), QwtCurve::pen(), QwtSymbol::pen(), QwtScale::setBorderDist(), QwtSymbol::setBrush(), QwtPlot::setCanvasBackground(), QwtLegendItem::setCurvePen(), QwtMarker::setFont(), QwtMarker::setLabelPen(), QwtMarker::setLinePen(), QwtGrid::setMajPen(), QwtGrid::setMinPen(), QwtCurve::setPen(), QwtSymbol::setPen(), QwtMarker::setSymbol(), QwtCurve::setSymbol(), QwtLegendItem::setSymbol(), QwtScale::setTitleColor(), QwtScale::setTitleFont(), QwtMarker::symbol(), QwtCurve::symbol(), QwtLegendItem::symbol(), QwtScale::titleColor(), and QwtScale::titleFont().
.PP
Referenced by QwtPlot::print().
.SS "QColor QwtPlotPrintFilter::color (const QColor & c, \fBItem\fP item, int id = \fC-1\fP) const\fC [virtual]\fP"
.PP
Modifies a color for printing. 
.PP
\fBParameters:\fP
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\fIc\fP Color to be modified 
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\fIitem\fP Type of item where the color belongs 
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\fIid\fP Optional id of the item (curveId/markerId) 
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\fBReturns:\fP
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Modified color.
.RE
.PP
In case of !(\fBQwtPlotPrintFilter::options()\fP & PrintBackground) MajorGrid is modified to Qt::darkGray, MinorGrid to Qt::gray. All other colors are returned unmodified. Definition at line 90 of file qwt_plot_printfilter.cpp.
.PP
References options().
.PP
Referenced by apply(), and reset().
.SS "QFont QwtPlotPrintFilter::font (const QFont & f, \fBItem\fP item, int id = \fC-1\fP) const\fC [virtual]\fP"
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Modifies a font for printing. 
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\fBParameters:\fP
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\fIf\fP Font to be modified 
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\fIitem\fP Type of item where the font belongs 
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\fIid\fP Optional id of the item (curveId/markerId)
.RE
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All fonts are returned unmodified Definition at line 115 of file qwt_plot_printfilter.cpp.
.PP
Referenced by apply(), and reset().
.SS "int QwtPlotPrintFilter::options () const"
.PP
Get plot print options. 
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\fBSee also:\fP
.RS 4
\fBQwtPlotPrintFilter::setOptions()\fP 
.RE
.PP
Definition at line 81 of file qwt_plot_printfilter.h.
.PP
Referenced by color(), QwtPlot::drawCanvasItems(), QwtPlot::print(), and QwtPlot::printCanvas().
.SS "void QwtPlotPrintFilter::reset (\fBQwtPlot\fP * plot) const\fC [virtual]\fP"
.PP
Reset color and fonts of a plot 
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\fBSee also:\fP
.RS 4
\fBQwtPlotPrintFilter::apply\fP 
.RE
.PP
Definition at line 284 of file qwt_plot_printfilter.cpp.
.PP
References QwtSymbol::brush(), color(), QwtLegendItem::curvePen(), d_cache, QwtPlot::d_curves, QwtPlot::d_grid, QwtPlot::d_lblTitle, QwtPlot::d_legend, QwtPlot::d_markers, QwtPlot::d_scale, font(), QwtLegend::itemIterator(), QwtMarker::labelPen(), QwtMarker::linePen(), QwtGrid::majPen(), QwtScale::minBorderDist(), QwtGrid::minPen(), QwtCurve::pen(), QwtSymbol::pen(), QwtScale::setBorderDist(), QwtSymbol::setBrush(), QwtPlot::setCanvasBackground(), QwtLegendItem::setCurvePen(), QwtMarker::setFont(), QwtMarker::setLabelPen(), QwtMarker::setLinePen(), QwtGrid::setMajPen(), QwtGrid::setMinPen(), QwtCurve::setPen(), QwtSymbol::setPen(), QwtMarker::setSymbol(), QwtCurve::setSymbol(), QwtLegendItem::setSymbol(), QwtScale::setTitleColor(), QwtScale::setTitleFont(), QwtMarker::symbol(), QwtCurve::symbol(), and QwtLegendItem::symbol().
.PP
Referenced by QwtPlot::print().
.SS "void QwtPlotPrintFilter::setOptions (int options)"
.PP
Set plot print options. 
.PP
\fBParameters:\fP
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\fIoptions\fP Or'd \fBQwtPlotPrintFilter::Options\fP values
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\fBSee also:\fP
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\fBQwtPlotPrintFilter::options()\fP 
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Definition at line 74 of file qwt_plot_printfilter.h.

.SH "Author"
.PP 
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