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authorTimothy Pearson <[email protected]>2013-11-06 16:23:17 -0600
committerTimothy Pearson <[email protected]>2013-11-06 16:23:17 -0600
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-'\" t
-.TH QSize 3qt "2 February 2007" "Trolltech AS" \" -*- nroff -*-
-.\" Copyright 1992-2007 Trolltech ASA. All rights reserved. See the
-.\" license file included in the distribution for a complete license
-.\" statement.
-.\"
-.ad l
-.nh
-.SH NAME
-QSize \- Defines the size of a two-dimensional object
-.SH SYNOPSIS
-\fC#include <ntqsize.h>\fR
-.PP
-.SS "Public Members"
-.in +1c
-.ti -1c
-.BI "enum \fBScaleMode\fR { ScaleFree, ScaleMin, ScaleMax }"
-.br
-.ti -1c
-.BI "\fBQSize\fR ()"
-.br
-.ti -1c
-.BI "\fBQSize\fR ( int w, int h )"
-.br
-.ti -1c
-.BI "bool \fBisNull\fR () const"
-.br
-.ti -1c
-.BI "bool \fBisEmpty\fR () const"
-.br
-.ti -1c
-.BI "bool \fBisValid\fR () const"
-.br
-.ti -1c
-.BI "int \fBwidth\fR () const"
-.br
-.ti -1c
-.BI "int \fBheight\fR () const"
-.br
-.ti -1c
-.BI "void \fBsetWidth\fR ( int w )"
-.br
-.ti -1c
-.BI "void \fBsetHeight\fR ( int h )"
-.br
-.ti -1c
-.BI "void \fBtranspose\fR ()"
-.br
-.ti -1c
-.BI "void \fBscale\fR ( int w, int h, ScaleMode mode )"
-.br
-.ti -1c
-.BI "void \fBscale\fR ( const QSize & s, ScaleMode mode )"
-.br
-.ti -1c
-.BI "QSize \fBexpandedTo\fR ( const QSize & otherSize ) const"
-.br
-.ti -1c
-.BI "QSize \fBboundedTo\fR ( const QSize & otherSize ) const"
-.br
-.ti -1c
-.BI "QCOORD & \fBrwidth\fR ()"
-.br
-.ti -1c
-.BI "QCOORD & \fBrheight\fR ()"
-.br
-.ti -1c
-.BI "QSize & \fBoperator+=\fR ( const QSize & s )"
-.br
-.ti -1c
-.BI "QSize & \fBoperator-=\fR ( const QSize & s )"
-.br
-.ti -1c
-.BI "QSize & \fBoperator*=\fR ( int c )"
-.br
-.ti -1c
-.BI "QSize & \fBoperator*=\fR ( double c )"
-.br
-.ti -1c
-.BI "QSize & \fBoperator/=\fR ( int c )"
-.br
-.ti -1c
-.BI "QSize & \fBoperator/=\fR ( double c )"
-.br
-.in -1c
-.SH RELATED FUNCTION DOCUMENTATION
-.in +1c
-.ti -1c
-.BI "bool \fBoperator==\fR ( const QSize & s1, const QSize & s2 )"
-.br
-.ti -1c
-.BI "bool \fBoperator!=\fR ( const QSize & s1, const QSize & s2 )"
-.br
-.ti -1c
-.BI "const QSize \fBoperator+\fR ( const QSize & s1, const QSize & s2 )"
-.br
-.ti -1c
-.BI "const QSize \fBoperator-\fR ( const QSize & s1, const QSize & s2 )"
-.br
-.ti -1c
-.BI "const QSize \fBoperator*\fR ( const QSize & s, int c )"
-.br
-.ti -1c
-.BI "const QSize \fBoperator*\fR ( int c, const QSize & s )"
-.br
-.ti -1c
-.BI "const QSize \fBoperator*\fR ( const QSize & s, double c )"
-.br
-.ti -1c
-.BI "const QSize \fBoperator*\fR ( double c, const QSize & s )"
-.br
-.ti -1c
-.BI "const QSize \fBoperator/\fR ( const QSize & s, int c )"
-.br
-.ti -1c
-.BI "const QSize \fBoperator/\fR ( const QSize & s, double c )"
-.br
-.ti -1c
-.BI "QDataStream & \fBoperator<<\fR ( QDataStream & s, const QSize & sz )"
-.br
-.ti -1c
-.BI "QDataStream & \fBoperator>>\fR ( QDataStream & s, QSize & sz )"
-.br
-.in -1c
-.SH DESCRIPTION
-The QSize class defines the size of a two-dimensional object.
-.PP
-A size is specified by a width and a height.
-.PP
-The coordinate type is QCOORD (defined in \fC<ntqwindowdefs.h>\fR as \fCint\fR). The minimum value of QCOORD is QCOORD_MIN (-2147483648) and the maximum value is QCOORD_MAX (2147483647).
-.PP
-The size can be set in the constructor and changed with setWidth() and setHeight(), or using operator+=(), operator-=(), operator*=() and operator/=(), etc. You can swap the width and height with transpose(). You can get a size which holds the maximum height and width of two sizes using expandedTo(), and the minimum height and width of two sizes using boundedTo().
-.PP
-See also QPoint, QRect, Graphics Classes, and Image Processing Classes.
-.SS "Member Type Documentation"
-.SH "QSize::ScaleMode"
-This enum type defines the different ways of scaling a size.
-.PP
-<center>
-.ce 1
-.B "[Image Omitted]"
-.PP
-</center>
-.TP
-\fCQSize::ScaleFree\fR - The size is scaled freely. The ratio is not preserved.
-.TP
-\fCQSize::ScaleMin\fR - The size is scaled to a rectangle as large as possible inside a given rectangle, preserving the aspect ratio.
-.TP
-\fCQSize::ScaleMax\fR - The size is scaled to a rectangle as small as possible outside a given rectangle, preserving the aspect ratio.
-.PP
-See also QSize::scale(), QImage::scale(), and QImage::smoothScale().
-.SH MEMBER FUNCTION DOCUMENTATION
-.SH "QSize::QSize ()"
-Constructs a size with invalid (negative) width and height.
-.SH "QSize::QSize ( int w, int h )"
-Constructs a size with width \fIw\fR and height \fIh\fR.
-.SH "QSize QSize::boundedTo ( const QSize & otherSize ) const"
-Returns a size with the minimum width and height of this size and \fIotherSize\fR.
-.SH "QSize QSize::expandedTo ( const QSize & otherSize ) const"
-Returns a size with the maximum width and height of this size and \fIotherSize\fR.
-.PP
-Examples:
-.)l customlayout/card.cpp and customlayout/flow.cpp.
-.SH "int QSize::height () const"
-Returns the height.
-.PP
-See also width().
-.PP
-Examples:
-.)l movies/main.cpp, qfd/fontdisplayer.cpp, and qfd/qfd.cpp.
-.SH "bool QSize::isEmpty () const"
-Returns TRUE if the width is less than or equal to 0, or the height is less than or equal to 0; otherwise returns FALSE.
-.SH "bool QSize::isNull () const"
-Returns TRUE if the width is 0 and the height is 0; otherwise returns FALSE.
-.SH "bool QSize::isValid () const"
-Returns TRUE if the width is equal to or greater than 0 and the height is equal to or greater than 0; otherwise returns FALSE.
-.SH "QSize & QSize::operator*= ( int c )"
-Multiplies both the width and height by \fIc\fR and returns a reference to the size.
-.SH "QSize & QSize::operator*= ( double c )"
-This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
-.PP
-Multiplies both the width and height by \fIc\fR and returns a reference to the size.
-.PP
-Note that the result is truncated.
-.SH "QSize & QSize::operator+= ( const QSize & s )"
-Adds \fIs\fR to the size and returns a reference to this size.
-.PP
-Example:
-.PP
-.nf
-.br
- QSize s( 3, 7 );
-.br
- QSize r( -1, 4 );
-.br
- s += r; // s becomes (2,11)
-.fi
-.SH "QSize & QSize::operator-= ( const QSize & s )"
-Subtracts \fIs\fR from the size and returns a reference to this size.
-.PP
-Example:
-.PP
-.nf
-.br
- QSize s( 3, 7 );
-.br
- QSize r( -1, 4 );
-.br
- s -= r; // s becomes (4,3)
-.br
-.fi
-.SH "QSize & QSize::operator/= ( int c )"
-Divides both the width and height by \fIc\fR and returns a reference to the size.
-.SH "QSize & QSize::operator/= ( double c )"
-This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
-.PP
-Divides both the width and height by \fIc\fR and returns a reference to the size.
-.PP
-Note that the result is truncated.
-.SH "QCOORD & QSize::rheight ()"
-Returns a reference to the height.
-.PP
-Using a reference makes it possible to directly manipulate the height.
-.PP
-Example:
-.PP
-.nf
-.br
- QSize s( 100, 10 );
-.br
- s.rheight() += 5; // s becomes (100,15)
-.br
-.fi
-.PP
-See also rwidth().
-.SH "QCOORD & QSize::rwidth ()"
-Returns a reference to the width.
-.PP
-Using a reference makes it possible to directly manipulate the width.
-.PP
-Example:
-.PP
-.nf
-.br
- QSize s( 100, 10 );
-.br
- s.rwidth() += 20; // s becomes (120,10)
-.br
-.fi
-.PP
-See also rheight().
-.SH "void QSize::scale ( int w, int h, ScaleMode mode )"
-Scales the size to a rectangle of width \fIw\fR and height \fIh\fR according to the ScaleMode \fImode\fR.
-.TP
-If \fImode\fR is ScaleFree, the size is set to (\fIw\fR, \fIh\fR).
-.TP
-If \fImode\fR is ScaleMin, the current size is scaled to a rectangle as large as possible inside (\fIw\fR, \fIh\fR), preserving the aspect ratio.
-.TP
-If \fImode\fR is ScaleMax, the current size is scaled to a rectangle as small as possible outside (\fIw\fR, \fIh\fR), preserving the aspect ratio.
-.PP
-Example:
-.PP
-.nf
-.br
- QSize t1( 10, 12 );
-.br
- t1.scale( 60, 60, QSize::ScaleFree );
-.br
- // t1 is (60, 60)
-.br
-.br
- QSize t2( 10, 12 );
-.br
- t2.scale( 60, 60, QSize::ScaleMin );
-.br
- // t2 is (50, 60)
-.br
-.br
- QSize t3( 10, 12 );
-.br
- t3.scale( 60, 60, QSize::ScaleMax );
-.br
- // t3 is (60, 72)
-.br
-.fi
-.SH "void QSize::scale ( const QSize & s, ScaleMode mode )"
-This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
-.PP
-Equivalent to scale(\fIs\fR.width(), \fIs\fR.height(), \fImode\fR).
-.SH "void QSize::setHeight ( int h )"
-Sets the height to \fIh\fR.
-.PP
-See also height() and setWidth().
-.SH "void QSize::setWidth ( int w )"
-Sets the width to \fIw\fR.
-.PP
-See also width() and setHeight().
-.SH "void QSize::transpose ()"
-Swaps the values of width and height.
-.SH "int QSize::width () const"
-Returns the width.
-.PP
-See also height().
-.PP
-Examples:
-.)l movies/main.cpp, qfd/fontdisplayer.cpp, and qfd/qfd.cpp.
-.SH RELATED FUNCTION DOCUMENTATION
-.SH "bool operator!= ( const QSize & s1, const QSize & s2 )"
-Returns TRUE if \fIs1\fR and \fIs2\fR are different; otherwise returns FALSE.
-.SH "const QSize operator* ( const QSize & s, int c )"
-Multiplies \fIs\fR by \fIc\fR and returns the result.
-.SH "const QSize operator* ( int c, const QSize & s )"
-This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
-.PP
-Multiplies \fIs\fR by \fIc\fR and returns the result.
-.SH "const QSize operator* ( const QSize & s, double c )"
-This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
-.PP
-Multiplies \fIs\fR by \fIc\fR and returns the result.
-.SH "const QSize operator* ( double c, const QSize & s )"
-This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
-.PP
-Multiplies \fIs\fR by \fIc\fR and returns the result.
-.SH "const QSize operator+ ( const QSize & s1, const QSize & s2 )"
-Returns the sum of \fIs1\fR and \fIs2\fR; each component is added separately.
-.SH "const QSize operator- ( const QSize & s1, const QSize & s2 )"
-Returns \fIs2\fR subtracted from \fIs1\fR; each component is subtracted separately.
-.SH "const QSize operator/ ( const QSize & s, int c )"
-Divides \fIs\fR by \fIc\fR and returns the result.
-.SH "const QSize operator/ ( const QSize & s, double c )"
-This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
-.PP
-Divides \fIs\fR by \fIc\fR and returns the result.
-.PP
-Note that the result is truncated.
-.SH "QDataStream & operator<< ( QDataStream & s, const QSize & sz )"
-Writes the size \fIsz\fR to the stream \fIs\fR and returns a reference to the stream.
-.PP
-See also Format of the QDataStream operators.
-.SH "bool operator== ( const QSize & s1, const QSize & s2 )"
-Returns TRUE if \fIs1\fR and \fIs2\fR are equal; otherwise returns FALSE.
-.SH "QDataStream & operator>> ( QDataStream & s, QSize & sz )"
-Reads the size from the stream \fIs\fR into size \fIsz\fR and returns a reference to the stream.
-.PP
-See also Format of the QDataStream operators.
-
-.SH "SEE ALSO"
-.BR http://doc.trolltech.com/ntqsize.html
-.BR http://www.trolltech.com/faq/tech.html
-.SH COPYRIGHT
-Copyright 1992-2007 Trolltech ASA, http://www.trolltech.com. See the
-license file included in the distribution for a complete license
-statement.
-.SH AUTHOR
-Generated automatically from the source code.
-.SH BUGS
-If you find a bug in Qt, please report it as described in
-.BR http://doc.trolltech.com/bughowto.html .
-Good bug reports help us to help you. Thank you.
-.P
-The definitive Qt documentation is provided in HTML format; it is
-located at $QTDIR/doc/html and can be read using Qt Assistant or with
-a web browser. This man page is provided as a convenience for those
-users who prefer man pages, although this format is not officially
-supported by Trolltech.
-.P
-If you find errors in this manual page, please report them to
-Please include the name of the manual page (qsize.3qt) and the Qt
-version (3.3.8).