.TH "QwtScaleWidget" 3 "Tue Nov 20 2012" "Version 5.2.3" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtScaleWidget \- 
.SH SYNOPSIS
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.PP
.PP
\fC#include <qwt_scale_widget\&.h>\fP
.SS "Signals"

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.RI "void \fBscaleDivChanged\fP ()"
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.SS "Public Member Functions"

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.RI "\fBQwtScaleWidget\fP (QWidget *parent=NULL)"
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.RI "\fBQwtScaleWidget\fP (\fBQwtScaleDraw::Alignment\fP, QWidget *parent=NULL)"
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.RI "virtual \fB~QwtScaleWidget\fP ()"
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.RI "\fBQwtScaleDraw::Alignment\fP \fBalignment\fP () const "
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.RI "\fBQwtDoubleInterval\fP \fBcolorBarInterval\fP () const "
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.RI "QRect \fBcolorBarRect\fP (const QRect &) const "
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.RI "int \fBcolorBarWidth\fP () const "
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.RI "const \fBQwtColorMap\fP & \fBcolorMap\fP () const "
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.RI "int \fBdimForLength\fP (int length, const QFont &scaleFont) const "
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.RI "void \fBdrawColorBar\fP (QPainter *painter, const QRect &rect) const "
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.RI "void \fBdrawTitle\fP (QPainter *painter, \fBQwtScaleDraw::Alignment\fP, const QRect &rect) const "
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.RI "int \fBendBorderDist\fP () const "
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.RI "void \fBgetBorderDistHint\fP (int &start, int &end) const "
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.RI "void \fBgetMinBorderDist\fP (int &start, int &end) const "
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.RI "bool \fBisColorBarEnabled\fP () const "
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.RI "int \fBmargin\fP () const "
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.RI "virtual QSize \fBminimumSizeHint\fP () const "
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.RI "int \fBpenWidth\fP () const "
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.RI "const \fBQwtScaleDraw\fP * \fBscaleDraw\fP () const "
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.RI "\fBQwtScaleDraw\fP * \fBscaleDraw\fP ()"
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.RI "void \fBsetAlignment\fP (\fBQwtScaleDraw::Alignment\fP)"
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.RI "void \fBsetBorderDist\fP (int start, int end)"
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.RI "void \fBsetColorBarEnabled\fP (bool)"
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.RI "void \fBsetColorBarWidth\fP (int)"
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.RI "void \fBsetColorMap\fP (const \fBQwtDoubleInterval\fP &, const \fBQwtColorMap\fP &)"
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.RI "void \fBsetLabelAlignment\fP (Qt::Alignment)"
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.RI "void \fBsetLabelRotation\fP (double rotation)"
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.RI "void \fBsetMargin\fP (int)"
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.RI "void \fBsetMinBorderDist\fP (int start, int end)"
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.RI "void \fBsetPenWidth\fP (int)"
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.RI "void \fBsetScaleDiv\fP (\fBQwtScaleTransformation\fP *, const \fBQwtScaleDiv\fP &sd)"
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.RI "void \fBsetScaleDraw\fP (\fBQwtScaleDraw\fP *)"
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.RI "void \fBsetSpacing\fP (int td)"
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.RI "void \fBsetTitle\fP (const QString &\fBtitle\fP)"
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.RI "void \fBsetTitle\fP (const \fBQwtText\fP &\fBtitle\fP)"
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.RI "virtual QSize \fBsizeHint\fP () const "
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.RI "int \fBspacing\fP () const "
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.RI "int \fBstartBorderDist\fP () const "
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.RI "\fBQwtText\fP \fBtitle\fP () const "
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.RI "int \fBtitleHeightForWidth\fP (int width) const "
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.SS "Protected Member Functions"

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.RI "void \fBdraw\fP (QPainter *p) const "
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.RI "void \fBlayoutScale\fP (bool update=true)"
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.RI "virtual void \fBpaintEvent\fP (QPaintEvent *e)"
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.RI "virtual void \fBresizeEvent\fP (QResizeEvent *e)"
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.RI "void \fBscaleChange\fP ()"
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.SH "Detailed Description"
.PP 
A Widget which contains a scale\&. 

This Widget can be used to decorate composite widgets with a scale\&. 
.SH "Constructor & Destructor Documentation"
.PP 
.SS "QwtScaleWidget::QwtScaleWidget (QWidget *parent = \fCNULL\fP)\fC [explicit]\fP"

.PP
Create a scale with the position QwtScaleWidget::Left\&. \fBParameters:\fP
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\fIparent\fP Parent widget 
.RE
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.SS "QwtScaleWidget::QwtScaleWidget (\fBQwtScaleDraw::Alignment\fPalign, QWidget *parent = \fCNULL\fP)\fC [explicit]\fP"

.PP
Constructor\&. \fBParameters:\fP
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\fIalign\fP Alignment\&. 
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\fIparent\fP Parent widget 
.RE
.PP

.SH "Member Function Documentation"
.PP 
.SS "\fBQwtScaleDraw::Alignment\fP QwtScaleWidget::alignment () const"
\fBReturns:\fP
.RS 4
position 
.RE
.PP
\fBSee also:\fP
.RS 4
setPosition() 
.RE
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.SS "int QwtScaleWidget::dimForLength (intlength, const QFont &scaleFont) const"

.PP
Find the minimum dimension for a given length\&. dim is the height, length the width seen in direction of the title\&. \fBParameters:\fP
.RS 4
\fIlength\fP width for horizontal, height for vertical scales 
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\fIscaleFont\fP Font of the scale 
.RE
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\fBReturns:\fP
.RS 4
height for horizontal, width for vertical scales 
.RE
.PP

.SS "void QwtScaleWidget::drawTitle (QPainter *painter, \fBQwtScaleDraw::Alignment\fPalign, const QRect &rect) const"
Rotate and paint a title according to its position into a given rectangle\&. 
.PP
\fBParameters:\fP
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\fIpainter\fP Painter 
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\fIalign\fP Alignment 
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\fIrect\fP Bounding rectangle 
.RE
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.SS "int QwtScaleWidget::endBorderDist () const"
\fBReturns:\fP
.RS 4
end border distance 
.RE
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\fBSee also:\fP
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\fBsetBorderDist()\fP 
.RE
.PP

.SS "void QwtScaleWidget::getBorderDistHint (int &start, int &end) const"

.PP
Calculate a hint for the border distances\&. This member function calculates the distance of the scale's endpoints from the widget borders which is required for the mark labels to fit into the widget\&. The maximum of this distance an the minimum border distance is returned\&.
.PP
\fBWarning:\fP
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.PD 0
.IP "\(bu" 2
The minimum border distance depends on the font\&.
.PP
.RE
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\fBSee also:\fP
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\fBsetMinBorderDist()\fP, \fBgetMinBorderDist()\fP, \fBsetBorderDist()\fP 
.RE
.PP

.SS "void QwtScaleWidget::getMinBorderDist (int &start, int &end) const"
Get the minimum value for the distances of the scale's endpoints from the widget borders\&.
.PP
\fBSee also:\fP
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\fBsetMinBorderDist()\fP, \fBgetBorderDistHint()\fP 
.RE
.PP

.SS "int QwtScaleWidget::margin () const"
\fBReturns:\fP
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margin 
.RE
.PP
\fBSee also:\fP
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\fBsetMargin()\fP 
.RE
.PP

.SS "QSize QwtScaleWidget::minimumSizeHint () const\fC [virtual]\fP"
\fBReturns:\fP
.RS 4
a minimum size hint 
.RE
.PP

.SS "int QwtScaleWidget::penWidth () const"
\fBReturns:\fP
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Scale pen width 
.RE
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\fBSee also:\fP
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\fBsetPenWidth()\fP 
.RE
.PP

.SS "void QwtScaleWidget::scaleChange ()\fC [protected]\fP"

.PP
Notify a change of the scale\&. This virtual function can be overloaded by derived classes\&. The default implementation updates the geometry and repaints the widget\&. 
.SS "const \fBQwtScaleDraw\fP * QwtScaleWidget::scaleDraw () const"
scaleDraw of this scale 
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\fBSee also:\fP
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\fBsetScaleDraw()\fP, QwtScaleDraw::setScaleDraw() 
.RE
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.SS "\fBQwtScaleDraw\fP * QwtScaleWidget::scaleDraw ()"
scaleDraw of this scale 
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\fBSee also:\fP
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QwtScaleDraw::setScaleDraw() 
.RE
.PP

.SS "void QwtScaleWidget::setAlignment (\fBQwtScaleDraw::Alignment\fPalignment)"
Change the alignment
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\fBParameters:\fP
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\fIalignment\fP New alignment 
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\fBSee also:\fP
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\fBalignment()\fP 
.RE
.PP

.SS "void QwtScaleWidget::setBorderDist (intdist1, intdist2)"
Specify distances of the scale's endpoints from the widget's borders\&. The actual borders will never be less than minimum border distance\&. 
.PP
\fBParameters:\fP
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\fIdist1\fP Left or top Distance 
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\fIdist2\fP Right or bottom distance 
.RE
.PP
\fBSee also:\fP
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borderDist() 
.RE
.PP

.SS "void QwtScaleWidget::setLabelAlignment (Qt::Alignmentalignment)"

.PP
Change the alignment for the labels\&. \fBSee also:\fP
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\fBQwtScaleDraw::setLabelAlignment()\fP, \fBsetLabelRotation()\fP 
.RE
.PP

.SS "void QwtScaleWidget::setLabelRotation (doublerotation)"

.PP
Change the rotation for the labels\&. See \fBQwtScaleDraw::setLabelRotation()\fP\&. \fBParameters:\fP
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\fIrotation\fP Rotation 
.RE
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\fBSee also:\fP
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\fBQwtScaleDraw::setLabelRotation()\fP, setLabelFlags() 
.RE
.PP

.SS "void QwtScaleWidget::setMargin (intmargin)"

.PP
Specify the margin to the colorBar/base line\&. \fBParameters:\fP
.RS 4
\fImargin\fP Margin 
.RE
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\fBSee also:\fP
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\fBmargin()\fP 
.RE
.PP

.SS "void QwtScaleWidget::setMinBorderDist (intstart, intend)"
Set a minimum value for the distances of the scale's endpoints from the widget borders\&. This is useful to avoid that the scales are 'jumping', when the tick labels or their positions change often\&.
.PP
\fBParameters:\fP
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\fIstart\fP Minimum for the start border 
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\fIend\fP Minimum for the end border 
.RE
.PP
\fBSee also:\fP
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\fBgetMinBorderDist()\fP, \fBgetBorderDistHint()\fP 
.RE
.PP

.SS "void QwtScaleWidget::setPenWidth (intwidth)"

.PP
Specify the width of the scale pen\&. \fBParameters:\fP
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\fIwidth\fP Pen width 
.RE
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\fBSee also:\fP
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\fBpenWidth()\fP 
.RE
.PP

.SS "void QwtScaleWidget::setScaleDiv (\fBQwtScaleTransformation\fP *transformation, const \fBQwtScaleDiv\fP &scaleDiv)"

.PP
Assign a scale division\&. The scale division determines where to set the tick marks\&.
.PP
\fBParameters:\fP
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\fItransformation\fP Transformation, needed to translate between scale and pixal values 
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\fIscaleDiv\fP Scale Division 
.RE
.PP
\fBSee also:\fP
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For more information about scale divisions, see \fBQwtScaleDiv\fP\&. 
.RE
.PP

.SS "void QwtScaleWidget::setScaleDraw (\fBQwtScaleDraw\fP *sd)"
Set a scale draw sd has to be created with new and will be deleted in \fB~QwtScaleWidget()\fP or the next call of \fBsetScaleDraw()\fP\&.
.PP
\fBParameters:\fP
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\fIsd\fP ScaleDraw object 
.RE
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\fBSee also:\fP
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\fBscaleDraw()\fP 
.RE
.PP

.SS "void QwtScaleWidget::setSpacing (intspacing)"

.PP
Specify the distance between color bar, scale and title\&. \fBParameters:\fP
.RS 4
\fIspacing\fP Spacing 
.RE
.PP
\fBSee also:\fP
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\fBspacing()\fP 
.RE
.PP

.SS "void QwtScaleWidget::setTitle (const QString &title)"
Give title new text contents
.PP
\fBParameters:\fP
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\fItitle\fP New title 
.RE
.PP
\fBSee also:\fP
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\fBtitle()\fP, \fBsetTitle(const QwtText &)\fP; 
.RE
.PP

.SS "void QwtScaleWidget::setTitle (const \fBQwtText\fP &title)"
Give title new text contents
.PP
\fBParameters:\fP
.RS 4
\fItitle\fP New title 
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.PP
\fBSee also:\fP
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\fBtitle()\fP 
.RE
.PP
\fBWarning:\fP
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The title flags are interpreted in direction of the label, AlignTop, AlignBottom can't be set as the title will always be aligned to the scale\&. 
.RE
.PP

.SS "QSize QwtScaleWidget::sizeHint () const\fC [virtual]\fP"
\fBReturns:\fP
.RS 4
a size hint 
.RE
.PP

.SS "int QwtScaleWidget::spacing () const"
\fBReturns:\fP
.RS 4
distance between scale and title 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBsetMargin()\fP 
.RE
.PP

.SS "int QwtScaleWidget::startBorderDist () const"
\fBReturns:\fP
.RS 4
start border distance 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBsetBorderDist()\fP 
.RE
.PP

.SS "\fBQwtText\fP QwtScaleWidget::title () const"
\fBReturns:\fP
.RS 4
title 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBsetTitle()\fP 
.RE
.PP

.SS "int QwtScaleWidget::titleHeightForWidth (intwidth) const"

.PP
Find the height of the title for a given width\&. \fBParameters:\fP
.RS 4
\fIwidth\fP Width 
.RE
.PP
\fBReturns:\fP
.RS 4
height Height 
.RE
.PP


.SH "Author"
.PP 
Generated automatically by Doxygen for Qwt User's Guide from the source code\&.