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101 lines
4.1 KiB
101 lines
4.1 KiB
'\" t
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.TH TQCanvasPixmap 3qt "2 February 2007" "Trolltech AS" \" -*- nroff -*-
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.\" Copyright 1992-2007 Trolltech ASA. All rights reserved. See the
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.\" license file included in the distribution for a complete license
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.\" statement.
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.\"
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.ad l
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.nh
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.SH NAME
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TQCanvasPixmap \- Pixmaps for TQCanvasSprites
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.SH SYNOPSIS
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\fC#include <tqcanvas.h>\fR
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.PP
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Inherits QPixmap.
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.PP
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.SS "Public Members"
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.in +1c
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.ti -1c
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.BI "\fBTQCanvasPixmap\fR ( const TQString & datafilename )"
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.br
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.ti -1c
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.BI "\fBTQCanvasPixmap\fR ( const TQImage & image )"
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.br
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.ti -1c
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.BI "\fBTQCanvasPixmap\fR ( const QPixmap & pm, const QPoint & offset )"
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.br
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.ti -1c
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.BI "\fB~TQCanvasPixmap\fR ()"
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.br
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.ti -1c
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.BI "int \fBoffsetX\fR () const"
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.br
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.ti -1c
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.BI "int \fBoffsetY\fR () const"
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.br
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.ti -1c
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.BI "void \fBsetOffset\fR ( int x, int y )"
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.br
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.in -1c
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.SH DESCRIPTION
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The TQCanvasPixmap class provides pixmaps for TQCanvasSprites.
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.PP
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If you want to show a single pixmap on a TQCanvas use a TQCanvasSprite with just one pixmap.
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.PP
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When pixmaps are inserted into a TQCanvasPixmapArray they are held as TQCanvasPixmaps. TQCanvasSprites are used to show pixmaps on TQCanvases and hold their pixmaps in a TQCanvasPixmapArray. If you retrieve a frame (pixmap) from a TQCanvasSprite it will be returned as a TQCanvasPixmap.
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.PP
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The pixmap is a QPixmap and can only be set in the constructor. There are three different constructors, one taking a QPixmap, one a TQImage and one a file name that refers to a file in any supported file format (see TQImageIO).
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.PP
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TQCanvasPixmap can have a hotspot which is defined in terms of an (x, y) offset. When you create a TQCanvasPixmap from a PNG file or from a TQImage that has a TQImage::offset(), the offset() is initialized appropriately, otherwise the constructor leaves it at (0, 0). You can set it later using setOffset(). When the TQCanvasPixmap is used in a TQCanvasSprite, the offset position is the point at TQCanvasItem::x() and TQCanvasItem::y(), not the top-left corner of the pixmap.
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.PP
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Note that for TQCanvasPixmap objects created by a TQCanvasSprite, the position of each TQCanvasPixmap object is set so that the hotspot stays in the same position.
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.PP
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See also TQCanvasPixmapArray, TQCanvasItem, TQCanvasSprite, Graphics Classes, and Image Processing Classes.
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.SH MEMBER FUNCTION DOCUMENTATION
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.SH "TQCanvasPixmap::TQCanvasPixmap ( const TQString & datafilename )"
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Constructs a TQCanvasPixmap that uses the image stored in \fIdatafilename\fR.
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.SH "TQCanvasPixmap::TQCanvasPixmap ( const TQImage & image )"
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Constructs a TQCanvasPixmap from the image \fIimage\fR.
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.SH "TQCanvasPixmap::TQCanvasPixmap ( const QPixmap & pm, const QPoint & offset )"
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Constructs a TQCanvasPixmap from the pixmap \fIpm\fR using the offset \fIoffset\fR.
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.SH "TQCanvasPixmap::~TQCanvasPixmap ()"
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Destroys the pixmap.
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.SH "int TQCanvasPixmap::offsetX () const"
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Returns the x-offset of the pixmap's hotspot.
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.PP
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See also setOffset().
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.SH "int TQCanvasPixmap::offsetY () const"
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Returns the y-offset of the pixmap's hotspot.
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.PP
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See also setOffset().
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.SH "void TQCanvasPixmap::setOffset ( int x, int y )"
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Sets the offset of the pixmap's hotspot to (\fIx\fR, \fIy\fR).
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.PP
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\fBWarning:\fR Do not call this function if any TQCanvasSprites are
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currently showing this pixmap.
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.SH "SEE ALSO"
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.BR http://doc.trolltech.com/tqcanvaspixmap.html
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.BR http://www.trolltech.com/faq/tech.html
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.SH COPYRIGHT
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Copyright 1992-2007 Trolltech ASA, http://www.trolltech.com. See the
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license file included in the distribution for a complete license
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statement.
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.SH AUTHOR
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Generated automatically from the source code.
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.SH BUGS
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If you find a bug in Qt, please report it as described in
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.BR http://doc.trolltech.com/bughowto.html .
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Good bug reports help us to help you. Thank you.
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.P
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The definitive TQt documentation is provided in HTML format; it is
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located at $TQTDIR/doc/html and can be read using TQt Assistant or with
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a web browser. This man page is provided as a convenience for those
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users who prefer man pages, although this format is not officially
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supported by Trolltech.
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.P
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If you find errors in this manual page, please report them to
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.BR qt-bugs@trolltech.com .
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Please include the name of the manual page (tqcanvaspixmap.3qt) and the Qt
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version (3.3.8).
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