qwtscale.3

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.TH "QwtScale" 3 "4 Nov 2003" "Qwt User's Guide" \" -*- nroff -*-
.ad l
.nh
.SH NAME
QwtScale \- 
.SH SYNOPSIS
.br
.PP
.SH "Detailed Description"
.PP 
A Widget which contains a scale. 

This Widget can be used to decorate composite widgets with a scale. 
.PP
.SS "Public Types"

.in +1c
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.RI "enum \fBPosition\fP { \fBLeft\fP, \fBRight\fP, \fBTop\fP, \fBBottom\fP }"
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.in -1c
.SS "Public Member Functions"

.in +1c
.ti -1c
.RI "\fBQwtScale\fP (\fBPosition\fP, QWidget *parent, const  char *name=0)"
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.RI "virtual \fB~QwtScale\fP ()"
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.RI "void \fBsetTitle\fP (const  QString &title)"
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.RI "const  QString \fBtitle\fP () const "
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.RI "void \fBsetTitleColor\fP (const  QColor &c)"
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.RI "const  QColor \fBtitleColor\fP () const "
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.RI "void \fBsetTitleFont\fP (const  QFont &f)"
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.RI "const  QFont \fBtitleFont\fP () const "
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.RI "void \fBsetTitleAlignment\fP (int flags)"
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.RI "int \fBtitleAlignment\fP () const "
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.RI "void \fBsetBorderDist\fP (int start, int end)"
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.RI "int \fBstartBorderDist\fP () const "
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.RI "int \fBendBorderDist\fP () const "
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.RI "void \fBminBorderDist\fP (int &start, int &end) const "
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.RI "void \fBsetBaselineDist\fP (int bd)"
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.RI "int \fBbaseLineDist\fP () const "
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.RI "void \fBsetTitleDist\fP (int td)"
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.RI "int \fBtitleDist\fP () const "
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.RI "void \fBsetScaleDiv\fP (const  \fBQwtScaleDiv\fP &sd)"
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.RI "void \fBsetScaleDraw\fP (\fBQwtScaleDraw\fP *)"
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.RI "const  \fBQwtScaleDraw\fP * \fBscaleDraw\fP () const "
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.RI "void \fBsetLabelFormat\fP (char f, int prec, int fieldWidth)"
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.RI "void \fBlabelFormat\fP (char &f, int &prec, int &fieldWidth) const "
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.RI "void \fBsetLabelAlignment\fP (int align)"
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.RI "void \fBsetLabelRotation\fP (double rotation)"
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.RI "virtual QSize \fBsizeHint\fP () const "
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.RI "virtual QSize \fBminimumSizeHint\fP () const "
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.RI "virtual QSizePolicy \fBsizePolicy\fP () const "
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.RI "int \fBtitleHeightForWidth\fP (int width) const "
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.RI "int \fBdimForLength\fP (int length, const  QFontMetrics &scaleFontMetrics) const "
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.RI "void \fBdrawTitle\fP (QPainter *painter, \fBQwtScaleDraw::Orientation\fP o, const  QRect &rect) const "
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.RI "void \fBsetPosition\fP (\fBPosition\fP o)"
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.RI "\fBPosition\fP \fBposition\fP () 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 \fBpaintEvent\fP (QPaintEvent *e)"
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.RI "void \fBresizeEvent\fP (QResizeEvent *e)"
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.RI "void \fBscaleChange\fP ()"
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.RI "void \fBfontChange\fP (const  QFont &oldfont)"
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.RI "void \fBlayoutScale\fP (bool update=TRUE)"
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.in -1c
.SH "Member Enumeration Documentation"
.PP 
.SS "enum \fBQwtScale::Position\fP"
.PP
Position of the scale 
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::QwtScale\fP 
.RE
.PP

.SH "Constructor & Destructor Documentation"
.PP 
.SS "QwtScale::QwtScale (\fBQwtScale::Position\fP pos, QWidget * parent, const char * name = 0)"
.PP
Constructor. \fBParameters:\fP
.RS 4
\fIpos\fP Position. Must be one of \fCQwtScale::Left, QwtScale::Right, QwtScale::Bottom, \fPor \fCQwtScale::Top\fP 
.br
\fIparent\fP 
.br
\fIname\fP passed to QWidget's CTOR 
.RE
.PP

.SS "QwtScale::~\fBQwtScale\fP ()\fC [virtual]\fP"
.PP
Destructor. 
.SH "Member Function Documentation"
.PP 
.SS "int QwtScale::baseLineDist () const"
.PP
\fBReturns:\fP
.RS 4
base line distance 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::setBaselineDist\fP 
.RE
.PP

.SS "int QwtScale::dimForLength (int length, const QFontMetrics & scaleFontMetrics) 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 
.br
\fIscaleFontMetrics\fP Font metrics of the scale 
.RE
.PP
\fBReturns:\fP
.RS 4
height for horizontal, width for vertical scales 
.RE
.PP

.SS "void QwtScale::draw (QPainter * p) const\fC [protected]\fP"
.PP
draw the scale 
.SS "void QwtScale::drawTitle (QPainter * painter, \fBQwtScaleDraw::Orientation\fP o, const QRect & rect) const"
.PP
Rotate and paint a title according to its position into a given rectangle. 
.PP
\fBParameters:\fP
.RS 4
\fIpainter\fP Painter 
.br
\fIo\fP Orientation 
.br
\fIrect\fP Bounding rectangle 
.RE
.PP

.SS "int QwtScale::endBorderDist () const"
.PP
\fBReturns:\fP
.RS 4
end border distance 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::setBorderDist\fP 
.RE
.PP

.SS "void QwtScale::fontChange (const QFont & oldFont)\fC [protected]\fP"
.PP
Notify a change of the font. This virtual function may be overloaded by derived widgets. The default implementation resizes the scale and repaints the widget. 
.PP
\fBParameters:\fP
.RS 4
\fIoldFont\fP Previous font 
.RE
.PP

.SS "void QwtScale::labelFormat (char & f, int & prec, int & fieldwidth) const"
.PP
Format character and precision have the same meaning as for the QString class. 
.PP
\fBReturn values:\fP
.RS 4
\fIf\fP format character 
.br
\fIprec\fP precision 
.br
\fIfieldwidth\fP minimum fieldwidth 
.RE
.PP
\fBReturns:\fP
.RS 4
the number format for the major scale labels 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::setLabelFormat\fP, QString::sprintf in the Qt manual 
.RE
.PP

.SS "void QwtScale::layoutScale (bool update = TRUE)\fC [protected]\fP"
.PP
Recalculate the scale's geometry and layout based on. 
.SS "void QwtScale::minBorderDist (int & start, int & end) const"
.PP
Determine the minimum Border distances. This member function returns the minimum distance of the scale's endpoints from the widget borders which is required for the mark labels to fit into the widget. 
.PP
\fBWarning:\fP
.RS 4

.IP "\(bu" 2
The minimum border distance depends on the font.
.PP
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::setBorderDist()\fP 
.RE
.PP

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

.SS "void QwtScale::paintEvent (QPaintEvent * e)\fC [protected]\fP"
.PP
paintEvent 
.SS "\fBQwtScale::Position\fP QwtScale::position () const"
.PP
\fBReturns:\fP
.RS 4
position 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::setPosition\fP 
.RE
.PP

.SS "void QwtScale::resizeEvent (QResizeEvent * e)\fC [protected]\fP"
.PP
resizeEvent 
.SS "void QwtScale::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 * QwtScale::scaleDraw () const"
.PP
scaleDraw of this scale 
.PP
\fBSee also:\fP
.RS 4
QwtScaleDraw::setScaleDraw 
.RE
.PP

.SS "void QwtScale::setBaselineDist (int bd)"
.PP
Specify the border distance of the scale's base line. \fBParameters:\fP
.RS 4
\fIbd\fP border distance of the baseline 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::baseLineDist\fP 
.RE
.PP

.SS "void QwtScale::setBorderDist (int dist1, int dist2)"
.PP
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
.RS 4
\fIdist1\fP Left or top Distance 
.br
\fIdist2\fP Right or bottom distance 
.RE
.PP
\fBSee also:\fP
.RS 4
QwtScale::borderDist 
.RE
.PP

.SS "void QwtScale::setLabelAlignment (int align)"
.PP
Change the alignment for the labels. See \fBQwtScaleDraw::setLabelAlignment()\fP. 
.PP
\fBSee also:\fP
.RS 4
\fBQwtScaleDraw::setLabelAlignment()\fP, \fBQwtScale::setLabelRotation()\fP 
.RE
.PP

.SS "void QwtScale::setLabelFormat (char f, int prec, int fieldwidth)"
.PP
Set the number format for the major scale labels. Format character and precision have the same meaning as for the QString class. 
.PP
\fBParameters:\fP
.RS 4
\fIf\fP format character 
.br
\fIprec\fP precision 
.br
\fIfieldwidth\fP minimum fieldwidth 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::labelFormat\fP, QString::sprintf in the Qt manual 
.RE
.PP

.SS "void QwtScale::setLabelRotation (double rotation)"
.PP
Change the rotation for the labels. See \fBQwtScaleDraw::setLabelRotation()\fP. \fBSee also:\fP
.RS 4
\fBQwtScaleDraw::setLabelRotation()\fP, \fBQwtScale::setLabelAlignment()\fP 
.RE
.PP

.SS "void QwtScale::setPosition (\fBPosition\fP pos)"
.PP
Assign a position. \fBParameters:\fP
.RS 4
\fIpos\fP new position 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::position\fP 
.RE
.PP

.SS "void QwtScale::setScaleDiv (const \fBQwtScaleDiv\fP & sd)"
.PP
Assign a scale division. The scale division determines where to set the tick marks. 
.PP
\fBParameters:\fP
.RS 4
\fIsd\fP Scale Division 
.RE
.PP
\fBSee also:\fP
.RS 4
For more information about scale divisions, see \fBQwtScaleDiv\fP. 
.RE
.PP

.SS "void QwtScale::setScaleDraw (\fBQwtScaleDraw\fP * sd)"
.PP
Set a scale draw sd has to be created with new and will be deleted in \fBQwtScale::~QwtScale\fP or the next call of \fBQwtScale::setScaleDraw\fP. 
.SS "void QwtScale::setTitle (const QString & text)"
.PP
Give title new text contents. \fBParameters:\fP
.RS 4
\fItext\fP New text 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::title\fP 
.RE
.PP

.SS "void QwtScale::setTitleAlignment (int flags)"
.PP
Change the title alignment. \fBParameters:\fP
.RS 4
\fIflags\fP see Qt::AlignmentFlags. 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
\fBSee also:\fP
.RS 4
\fBQwtScale::titleAlignment\fP, Qt::AlignmentFlags 
.RE
.PP

.SS "void QwtScale::setTitleColor (const QColor & c)"
.PP
Change the title color. \fBParameters:\fP
.RS 4
\fIc\fP new title color 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::titleColor\fP 
.RE
.PP

.SS "void QwtScale::setTitleDist (int td)"
.PP
Specify the distance between scale and title. \fBParameters:\fP
.RS 4
\fItd\fP Title distance 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::titleDist\fP 
.RE
.PP

.SS "void QwtScale::setTitleFont (const QFont & f)"
.PP
Change the title font. \fBParameters:\fP
.RS 4
\fIf\fP new font 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::title\fP 
.RE
.PP

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

.SS "QSizePolicy QwtScale::sizePolicy () const\fC [virtual]\fP"
.PP
\fBReturns:\fP
.RS 4
Fixed/MinimumExpanding for vertical, MinimumExpanding/Fixed for horizontal scales. 
.RE
.PP

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

.SS "const  QString QwtScale::title () const"
.PP
\fBReturns:\fP
.RS 4
title 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::setTitle\fP 
.RE
.PP

.SS "int QwtScale::titleAlignment () const"
.PP
\fBReturns:\fP
.RS 4
alignment 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::setTitleAlignment\fP, Qt::AlignmentFlags 
.RE
.PP

.SS "const  QColor QwtScale::titleColor () const"
.PP
\fBReturns:\fP
.RS 4
title color 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::setTitleColor\fP 
.RE
.PP

.SS "int QwtScale::titleDist () const"
.PP
\fBReturns:\fP
.RS 4
distance between scale and title 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::setBaselineDist\fP 
.RE
.PP

.SS "const  QFont QwtScale::titleFont () const"
.PP
\fBReturns:\fP
.RS 4
title font 
.RE
.PP
\fBSee also:\fP
.RS 4
\fBQwtScale::setTitleFont\fP 
.RE
.PP

.SS "int QwtScale::titleHeightForWidth (int width) 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 
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