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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
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+'\" t
+.TH QCanvasPixmap 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
+QCanvasPixmap \- Pixmaps for QCanvasSprites
+.SH SYNOPSIS
+\fC#include <qcanvas.h>\fR
+.PP
+Inherits QPixmap.
+.PP
+.SS "Public Members"
+.in +1c
+.ti -1c
+.BI "\fBQCanvasPixmap\fR ( const QString & datafilename )"
+.br
+.ti -1c
+.BI "\fBQCanvasPixmap\fR ( const QImage & image )"
+.br
+.ti -1c
+.BI "\fBQCanvasPixmap\fR ( const QPixmap & pm, const QPoint & offset )"
+.br
+.ti -1c
+.BI "\fB~QCanvasPixmap\fR ()"
+.br
+.ti -1c
+.BI "int \fBoffsetX\fR () const"
+.br
+.ti -1c
+.BI "int \fBoffsetY\fR () const"
+.br
+.ti -1c
+.BI "void \fBsetOffset\fR ( int x, int y )"
+.br
+.in -1c
+.SH DESCRIPTION
+The QCanvasPixmap class provides pixmaps for QCanvasSprites.
+.PP
+If you want to show a single pixmap on a QCanvas use a QCanvasSprite with just one pixmap.
+.PP
+When pixmaps are inserted into a QCanvasPixmapArray they are held as QCanvasPixmaps. QCanvasSprites are used to show pixmaps on QCanvases and hold their pixmaps in a QCanvasPixmapArray. If you retrieve a frame (pixmap) from a QCanvasSprite it will be returned as a QCanvasPixmap.
+.PP
+The pixmap is a QPixmap and can only be set in the constructor. There are three different constructors, one taking a QPixmap, one a QImage and one a file name that refers to a file in any supported file format (see QImageIO).
+.PP
+QCanvasPixmap can have a hotspot which is defined in terms of an (x, y) offset. When you create a QCanvasPixmap from a PNG file or from a QImage that has a QImage::offset(), the offset() is initialized appropriately, otherwise the constructor leaves it at (0, 0). You can set it later using setOffset(). When the QCanvasPixmap is used in a QCanvasSprite, the offset position is the point at QCanvasItem::x() and QCanvasItem::y(), not the top-left corner of the pixmap.
+.PP
+Note that for QCanvasPixmap objects created by a QCanvasSprite, the position of each QCanvasPixmap object is set so that the hotspot stays in the same position.
+.PP
+See also QCanvasPixmapArray, QCanvasItem, QCanvasSprite, Graphics Classes, and Image Processing Classes.
+.SH MEMBER FUNCTION DOCUMENTATION
+.SH "QCanvasPixmap::QCanvasPixmap ( const QString & datafilename )"
+Constructs a QCanvasPixmap that uses the image stored in \fIdatafilename\fR.
+.SH "QCanvasPixmap::QCanvasPixmap ( const QImage & image )"
+Constructs a QCanvasPixmap from the image \fIimage\fR.
+.SH "QCanvasPixmap::QCanvasPixmap ( const QPixmap & pm, const QPoint & offset )"
+Constructs a QCanvasPixmap from the pixmap \fIpm\fR using the offset \fIoffset\fR.
+.SH "QCanvasPixmap::~QCanvasPixmap ()"
+Destroys the pixmap.
+.SH "int QCanvasPixmap::offsetX () const"
+Returns the x-offset of the pixmap's hotspot.
+.PP
+See also setOffset().
+.SH "int QCanvasPixmap::offsetY () const"
+Returns the y-offset of the pixmap's hotspot.
+.PP
+See also setOffset().
+.SH "void QCanvasPixmap::setOffset ( int x, int y )"
+Sets the offset of the pixmap's hotspot to (\fIx\fR, \fIy\fR).
+.PP
+\fBWarning:\fR Do not call this function if any QCanvasSprites are
+currently showing this pixmap.
+
+.SH "SEE ALSO"
+.BR http://doc.trolltech.com/qcanvaspixmap.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
+.BR qt-bugs@trolltech.com .
+Please include the name of the manual page (qcanvaspixmap.3qt) and the Qt
+version (3.3.8).