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Qt5 built in qwt (#570)
- qt4->qt5 - in built qt5 6.1.5 because rhel7 is not upto date with qt5, removed findqwt.cmake - made a fix in qwt lib (qwt_plot_layout.h) to work with 5.15 and lower versions for qrect constr. - qt5 forms fixed, qt4 many hard coding forms switched to forms including qtabwidget, scrolls etc, fonts moved to forms - docking option enabled by default, removed option to disable docking feature from "Mode" - added qVersionResolve utility functions to handle compatibility before and after qt5.12 - qtplots (ian's code) takes in gain mode enable to set some settings within the class, with proper gain plot ticks - ensure gain plots have no zooming of z axis in 2d and y axis in 1d - removed placeholder text in qpalette in main window form as its not supportd until 5.12 (so using qt5.9 designer insted of qt5.15 to cope) - tab order Servers: - fixed some error messages that were empty for fail in funcs (mostly minor as if this error, major issues)
This commit is contained in:
Dhanya Thattil
624
libs/qwt-6.1.5/doc/man/man3/QwtScaleDraw.3
Normal file
624
libs/qwt-6.1.5/doc/man/man3/QwtScaleDraw.3
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.TH "QwtScaleDraw" 3 "Mon Jun 1 2020" "Version 6.1.5" "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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QwtScaleDraw \- A class for drawing scales\&.
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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_scale_draw\&.h>\fP
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.PP
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Inherits \fBQwtAbstractScaleDraw\fP\&.
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.PP
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Inherited by \fBQwtDateScaleDraw\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 \fBAlignment\fP { \fBBottomScale\fP, \fBTopScale\fP, \fBLeftScale\fP, \fBRightScale\fP }"
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.br
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.in -1c
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.SS "Public Member Functions"
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.in +1c
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.ti -1c
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.RI "\fBQwtScaleDraw\fP ()"
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.br
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.RI "Constructor\&. "
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.ti -1c
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.RI "virtual \fB~QwtScaleDraw\fP ()"
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.br
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.RI "Destructor\&. "
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.ti -1c
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.RI "void \fBgetBorderDistHint\fP (const QFont &, int &start, int &end) const"
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.br
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.RI "Determine the minimum border distance\&. "
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.ti -1c
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.RI "int \fBminLabelDist\fP (const QFont &) const"
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.br
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.ti -1c
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.RI "int \fBminLength\fP (const QFont &) const"
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.br
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.ti -1c
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.RI "virtual double \fBextent\fP (const QFont &) const"
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.br
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.ti -1c
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.RI "void \fBmove\fP (double x, double y)"
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.br
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.ti -1c
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.RI "void \fBmove\fP (const QPointF &)"
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.br
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.RI "Move the position of the scale\&. "
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.ti -1c
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.RI "void \fBsetLength\fP (double \fBlength\fP)"
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.br
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.ti -1c
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.RI "\fBAlignment\fP \fBalignment\fP () const"
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.br
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.ti -1c
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.RI "void \fBsetAlignment\fP (\fBAlignment\fP)"
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.br
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.ti -1c
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.RI "Qt::Orientation \fBorientation\fP () const"
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.br
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.ti -1c
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.RI "QPointF \fBpos\fP () const"
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.br
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.ti -1c
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.RI "double \fBlength\fP () const"
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.br
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.ti -1c
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.RI "void \fBsetLabelAlignment\fP (Qt::Alignment)"
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.br
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.RI "Change the label flags\&. "
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.ti -1c
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.RI "Qt::Alignment \fBlabelAlignment\fP () const"
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.br
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.ti -1c
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.RI "void \fBsetLabelRotation\fP (double rotation)"
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.br
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.ti -1c
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.RI "double \fBlabelRotation\fP () const"
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.br
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.ti -1c
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.RI "int \fBmaxLabelHeight\fP (const QFont &) const"
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.br
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.ti -1c
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.RI "int \fBmaxLabelWidth\fP (const QFont &) const"
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.br
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.ti -1c
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.RI "QPointF \fBlabelPosition\fP (double value) const"
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.br
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.ti -1c
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.RI "QRectF \fBlabelRect\fP (const QFont &, double value) const"
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.br
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.ti -1c
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.RI "QSizeF \fBlabelSize\fP (const QFont &, double value) const"
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.br
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.ti -1c
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.RI "QRect \fBboundingLabelRect\fP (const QFont &, double value) const"
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.br
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.RI "Find the bounding rectangle for the label\&. "
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.in -1c
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.SS "Protected Member Functions"
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.in +1c
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.ti -1c
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.RI "QTransform \fBlabelTransformation\fP (const QPointF &, const QSizeF &) const"
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.br
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.ti -1c
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.RI "virtual void \fBdrawTick\fP (QPainter *, double value, double len) const"
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.br
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.ti -1c
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.RI "virtual void \fBdrawBackbone\fP (QPainter *) const"
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.br
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.ti -1c
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.RI "virtual void \fBdrawLabel\fP (QPainter *, double value) 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 class for drawing scales\&.
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\fBQwtScaleDraw\fP can be used to draw linear or logarithmic scales\&. A scale has a position, an alignment and a length, which can be specified \&. The labels can be rotated and aligned to the ticks using \fBsetLabelRotation()\fP and \fBsetLabelAlignment()\fP\&.
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.PP
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After a scale division has been specified as a \fBQwtScaleDiv\fP object using \fBQwtAbstractScaleDraw::setScaleDiv(const QwtScaleDiv &s)\fP, the scale can be drawn with the \fBQwtAbstractScaleDraw::draw()\fP member\&.
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.SH "Member Enumeration Documentation"
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.PP
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.SS "enum \fBQwtScaleDraw::Alignment\fP"
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Alignment of the scale draw
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.PP
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\fBSee also\fP
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.RS 4
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\fBsetAlignment()\fP, \fBalignment()\fP
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.RE
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.PP
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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\fIBottomScale \fP\fP
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The scale is below\&.
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.TP
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\fB\fITopScale \fP\fP
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The scale is above\&.
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.TP
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\fB\fILeftScale \fP\fP
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The scale is left\&.
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.TP
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\fB\fIRightScale \fP\fP
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The scale is right\&.
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.SH "Constructor & Destructor Documentation"
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.PP
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.SS "QwtScaleDraw::QwtScaleDraw ()"
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.PP
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Constructor\&. The range of the scale is initialized to [0, 100], The position is at (0, 0) with a length of 100\&. The orientation is QwtAbstractScaleDraw::Bottom\&.
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.SH "Member Function Documentation"
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.PP
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.SS "\fBQwtScaleDraw::Alignment\fP QwtScaleDraw::alignment () const"
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Return alignment of the scale
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.PP
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\fBSee also\fP
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.RS 4
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\fBsetAlignment()\fP
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.RE
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.PP
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\fBReturns\fP
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.RS 4
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Alignment of the scale
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.RE
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.PP
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.SS "QRect QwtScaleDraw::boundingLabelRect (const QFont & font, double value) const"
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.PP
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Find the bounding rectangle for the label\&. The coordinates of the rectangle are absolute ( calculated from \fBpos()\fP )\&. in direction of the tick\&.
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.PP
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\fBParameters\fP
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.RS 4
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\fIfont\fP Font used for painting
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.br
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\fIvalue\fP Value
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.RE
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.PP
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\fBReturns\fP
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.RS 4
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Bounding rectangle
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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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\fBlabelRect()\fP
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.RE
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.PP
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.SS "void QwtScaleDraw::drawBackbone (QPainter * painter) const\fC [protected]\fP, \fC [virtual]\fP"
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Draws the baseline of the scale
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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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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBdrawTick()\fP, \fBdrawLabel()\fP
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.RE
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.PP
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.PP
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Implements \fBQwtAbstractScaleDraw\fP\&.
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.SS "void QwtScaleDraw::drawLabel (QPainter * painter, double value) const\fC [protected]\fP, \fC [virtual]\fP"
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Draws the label for a major scale tick
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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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\fIvalue\fP Value
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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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\fBdrawTick()\fP, \fBdrawBackbone()\fP, \fBboundingLabelRect()\fP
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.RE
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.PP
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.PP
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Implements \fBQwtAbstractScaleDraw\fP\&.
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.SS "void QwtScaleDraw::drawTick (QPainter * painter, double value, double len) const\fC [protected]\fP, \fC [virtual]\fP"
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Draw a tick
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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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\fIvalue\fP Value of the tick
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.br
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\fIlen\fP Length of the tick
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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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\fBdrawBackbone()\fP, \fBdrawLabel()\fP
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.RE
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.PP
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.PP
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Implements \fBQwtAbstractScaleDraw\fP\&.
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.SS "double QwtScaleDraw::extent (const QFont & font) const\fC [virtual]\fP"
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Calculate the width/height that is needed for a vertical/horizontal scale\&.
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.PP
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The extent is calculated from the pen width of the backbone, the major tick length, the spacing and the maximum width/height of the labels\&.
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.PP
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\fBParameters\fP
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.RS 4
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\fIfont\fP Font used for painting the labels
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.RE
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.PP
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\fBReturns\fP
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.RS 4
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Extent
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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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\fBminLength()\fP
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.RE
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.PP
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.PP
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Implements \fBQwtAbstractScaleDraw\fP\&.
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.SS "void QwtScaleDraw::getBorderDistHint (const QFont & font, int & start, int & end) const"
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.PP
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Determine the minimum border distance\&. This member function returns the minimum space needed to draw the mark labels at the scale's endpoints\&.
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.PP
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\fBParameters\fP
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.RS 4
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\fIfont\fP Font
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.br
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\fIstart\fP Start border distance
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.br
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\fIend\fP End border distance
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.RE
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.PP
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.SS "Qt::Alignment QwtScaleDraw::labelAlignment () const"
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.PP
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\fBReturns\fP
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.RS 4
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the label flags
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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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\fBsetLabelAlignment()\fP, \fBlabelRotation()\fP
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.RE
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.PP
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.SS "QPointF QwtScaleDraw::labelPosition (double value) const"
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Find the position, where to paint a label
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.PP
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The position has a distance that depends on the length of the ticks in direction of the \fBalignment()\fP\&.
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.PP
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\fBParameters\fP
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.RS 4
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\fIvalue\fP Value
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.RE
|
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.PP
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\fBReturns\fP
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.RS 4
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Position, where to paint a label
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.RE
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.PP
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.SS "QRectF QwtScaleDraw::labelRect (const QFont & font, double value) const"
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Find the bounding rectangle for the label\&. The coordinates of the rectangle are relative to spacing + tick length from the backbone in direction of the tick\&.
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.PP
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\fBParameters\fP
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.RS 4
|
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\fIfont\fP Font used for painting
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.br
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\fIvalue\fP Value
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.RE
|
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.PP
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\fBReturns\fP
|
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.RS 4
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Bounding rectangle that is needed to draw a label
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.RE
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.PP
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.SS "double QwtScaleDraw::labelRotation () const"
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.PP
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\fBReturns\fP
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.RS 4
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the label rotation
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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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\fBsetLabelRotation()\fP, \fBlabelAlignment()\fP
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.RE
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.PP
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.SS "QSizeF QwtScaleDraw::labelSize (const QFont & font, double value) const"
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Calculate the size that is needed to draw a label
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.PP
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\fBParameters\fP
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.RS 4
|
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\fIfont\fP Label font
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.br
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\fIvalue\fP Value
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.RE
|
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.PP
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||||
\fBReturns\fP
|
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.RS 4
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Size that is needed to draw a label
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.RE
|
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.PP
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||||
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||||
.SS "QTransform QwtScaleDraw::labelTransformation (const QPointF & pos, const QSizeF & size) const\fC [protected]\fP"
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Calculate the transformation that is needed to paint a label depending on its alignment and rotation\&.
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.PP
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\fBParameters\fP
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||||
.RS 4
|
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\fIpos\fP Position where to paint the label
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.br
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\fIsize\fP Size of the label
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.RE
|
||||
.PP
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||||
\fBReturns\fP
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||||
.RS 4
|
||||
Transformation matrix
|
||||
.RE
|
||||
.PP
|
||||
\fBSee also\fP
|
||||
.RS 4
|
||||
\fBsetLabelAlignment()\fP, \fBsetLabelRotation()\fP
|
||||
.RE
|
||||
.PP
|
||||
|
||||
.SS "double QwtScaleDraw::length () const"
|
||||
|
||||
.PP
|
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\fBReturns\fP
|
||||
.RS 4
|
||||
the length of the backbone
|
||||
.RE
|
||||
.PP
|
||||
\fBSee also\fP
|
||||
.RS 4
|
||||
\fBsetLength()\fP, \fBpos()\fP
|
||||
.RE
|
||||
.PP
|
||||
|
||||
.SS "int QwtScaleDraw::maxLabelHeight (const QFont & font) const"
|
||||
|
||||
.PP
|
||||
\fBParameters\fP
|
||||
.RS 4
|
||||
\fIfont\fP Font
|
||||
.RE
|
||||
.PP
|
||||
\fBReturns\fP
|
||||
.RS 4
|
||||
the maximum height of a label
|
||||
.RE
|
||||
.PP
|
||||
|
||||
.SS "int QwtScaleDraw::maxLabelWidth (const QFont & font) const"
|
||||
|
||||
.PP
|
||||
\fBParameters\fP
|
||||
.RS 4
|
||||
\fIfont\fP Font
|
||||
.RE
|
||||
.PP
|
||||
\fBReturns\fP
|
||||
.RS 4
|
||||
the maximum width of a label
|
||||
.RE
|
||||
.PP
|
||||
|
||||
.SS "int QwtScaleDraw::minLabelDist (const QFont & font) const"
|
||||
Determine the minimum distance between two labels, that is necessary that the texts don't overlap\&.
|
||||
.PP
|
||||
\fBParameters\fP
|
||||
.RS 4
|
||||
\fIfont\fP Font
|
||||
.RE
|
||||
.PP
|
||||
\fBReturns\fP
|
||||
.RS 4
|
||||
The maximum width of a label
|
||||
.RE
|
||||
.PP
|
||||
\fBSee also\fP
|
||||
.RS 4
|
||||
\fBgetBorderDistHint()\fP
|
||||
.RE
|
||||
.PP
|
||||
|
||||
.SS "int QwtScaleDraw::minLength (const QFont & font) const"
|
||||
Calculate the minimum length that is needed to draw the scale
|
||||
.PP
|
||||
\fBParameters\fP
|
||||
.RS 4
|
||||
\fIfont\fP Font used for painting the labels
|
||||
.RE
|
||||
.PP
|
||||
\fBReturns\fP
|
||||
.RS 4
|
||||
Minimum length that is needed to draw the scale
|
||||
.RE
|
||||
.PP
|
||||
\fBSee also\fP
|
||||
.RS 4
|
||||
\fBextent()\fP
|
||||
.RE
|
||||
.PP
|
||||
|
||||
.SS "void QwtScaleDraw::move (const QPointF & pos)"
|
||||
|
||||
.PP
|
||||
Move the position of the scale\&. The meaning of the parameter pos depends on the alignment:
|
||||
.IP "\fB\fBQwtScaleDraw::LeftScale\fP \fP" 1c
|
||||
The origin is the topmost point of the backbone\&. The backbone is a vertical line\&. Scale marks and labels are drawn at the left of the backbone\&.
|
||||
.IP "\fB\fBQwtScaleDraw::RightScale\fP \fP" 1c
|
||||
The origin is the topmost point of the backbone\&. The backbone is a vertical line\&. Scale marks and labels are drawn at the right of the backbone\&.
|
||||
.IP "\fB\fBQwtScaleDraw::TopScale\fP \fP" 1c
|
||||
The origin is the leftmost point of the backbone\&. The backbone is a horizontal line\&. Scale marks and labels are drawn above the backbone\&.
|
||||
.IP "\fB\fBQwtScaleDraw::BottomScale\fP \fP" 1c
|
||||
The origin is the leftmost point of the backbone\&. The backbone is a horizontal line Scale marks and labels are drawn below the backbone\&.
|
||||
.PP
|
||||
.PP
|
||||
\fBParameters\fP
|
||||
.RS 4
|
||||
\fIpos\fP Origin of the scale
|
||||
.RE
|
||||
.PP
|
||||
\fBSee also\fP
|
||||
.RS 4
|
||||
\fBpos()\fP, \fBsetLength()\fP
|
||||
.RE
|
||||
.PP
|
||||
|
||||
.SS "void QwtScaleDraw::move (double x, double y)\fC [inline]\fP"
|
||||
Move the position of the scale
|
||||
.PP
|
||||
\fBParameters\fP
|
||||
.RS 4
|
||||
\fIx\fP X coordinate
|
||||
.br
|
||||
\fIy\fP Y coordinate
|
||||
.RE
|
||||
.PP
|
||||
\fBSee also\fP
|
||||
.RS 4
|
||||
\fBmove(const QPointF &)\fP
|
||||
.RE
|
||||
.PP
|
||||
|
||||
.SS "Qt::Orientation QwtScaleDraw::orientation () const"
|
||||
Return the orientation
|
||||
.PP
|
||||
TopScale, BottomScale are horizontal (Qt::Horizontal) scales, LeftScale, RightScale are vertical (Qt::Vertical) scales\&.
|
||||
.PP
|
||||
\fBReturns\fP
|
||||
.RS 4
|
||||
Orientation of the scale
|
||||
.RE
|
||||
.PP
|
||||
\fBSee also\fP
|
||||
.RS 4
|
||||
\fBalignment()\fP
|
||||
.RE
|
||||
.PP
|
||||
|
||||
.SS "QPointF QwtScaleDraw::pos () const"
|
||||
|
||||
.PP
|
||||
\fBReturns\fP
|
||||
.RS 4
|
||||
Origin of the scale
|
||||
.RE
|
||||
.PP
|
||||
\fBSee also\fP
|
||||
.RS 4
|
||||
\fBmove()\fP, \fBlength()\fP
|
||||
.RE
|
||||
.PP
|
||||
|
||||
.SS "void QwtScaleDraw::setAlignment (\fBAlignment\fP align)"
|
||||
Set the alignment of the scale
|
||||
.PP
|
||||
\fBParameters\fP
|
||||
.RS 4
|
||||
\fIalign\fP Alignment of the scale
|
||||
.RE
|
||||
.PP
|
||||
The default alignment is \fBQwtScaleDraw::BottomScale\fP
|
||||
.PP
|
||||
\fBSee also\fP
|
||||
.RS 4
|
||||
\fBalignment()\fP
|
||||
.RE
|
||||
.PP
|
||||
|
||||
.SS "void QwtScaleDraw::setLabelAlignment (Qt::Alignment alignment)"
|
||||
|
||||
.PP
|
||||
Change the label flags\&. Labels are aligned to the point tick length + spacing away from the backbone\&.
|
||||
.PP
|
||||
The alignment is relative to the orientation of the label text\&. In case of an flags of 0 the label will be aligned depending on the orientation of the scale:
|
||||
.PP
|
||||
.nf
|
||||
QwtScaleDraw::TopScale: Qt::AlignHCenter | Qt::AlignTop\n
|
||||
QwtScaleDraw::BottomScale: Qt::AlignHCenter | Qt::AlignBottom\n
|
||||
QwtScaleDraw::LeftScale: Qt::AlignLeft | Qt::AlignVCenter\n
|
||||
QwtScaleDraw::RightScale: Qt::AlignRight | Qt::AlignVCenter\n
|
||||
|
||||
.fi
|
||||
.PP
|
||||
.PP
|
||||
Changing the alignment is often necessary for rotated labels\&.
|
||||
.PP
|
||||
\fBParameters\fP
|
||||
.RS 4
|
||||
\fIalignment\fP Or'd Qt::AlignmentFlags see <qnamespace\&.h>
|
||||
.RE
|
||||
.PP
|
||||
\fBSee also\fP
|
||||
.RS 4
|
||||
\fBsetLabelRotation()\fP, \fBlabelRotation()\fP, \fBlabelAlignment()\fP
|
||||
.RE
|
||||
.PP
|
||||
\fBWarning\fP
|
||||
.RS 4
|
||||
The various alignments might be confusing\&. The alignment of the label is not the alignment of the scale and is not the alignment of the flags ( QwtText::flags() ) returned from \fBQwtAbstractScaleDraw::label()\fP\&.
|
||||
.RE
|
||||
.PP
|
||||
|
||||
.SS "void QwtScaleDraw::setLabelRotation (double rotation)"
|
||||
Rotate all labels\&.
|
||||
.PP
|
||||
When changing the rotation, it might be necessary to adjust the label flags too\&. Finding a useful combination is often the result of try and error\&.
|
||||
.PP
|
||||
\fBParameters\fP
|
||||
.RS 4
|
||||
\fIrotation\fP Angle in degrees\&. When changing the label rotation, the label flags often needs to be adjusted too\&.
|
||||
.RE
|
||||
.PP
|
||||
\fBSee also\fP
|
||||
.RS 4
|
||||
\fBsetLabelAlignment()\fP, \fBlabelRotation()\fP, \fBlabelAlignment()\fP\&.
|
||||
.RE
|
||||
.PP
|
||||
|
||||
.SS "void QwtScaleDraw::setLength (double length)"
|
||||
Set the length of the backbone\&.
|
||||
.PP
|
||||
The length doesn't include the space needed for overlapping labels\&.
|
||||
.PP
|
||||
\fBParameters\fP
|
||||
.RS 4
|
||||
\fIlength\fP Length of the backbone
|
||||
.RE
|
||||
.PP
|
||||
\fBSee also\fP
|
||||
.RS 4
|
||||
\fBmove()\fP, \fBminLabelDist()\fP
|
||||
.RE
|
||||
.PP
|
||||
|
||||
|
||||
.SH "Author"
|
||||
.PP
|
||||
Generated automatically by Doxygen for Qwt User's Guide from the source code\&.
|
||||
Reference in New Issue
Block a user