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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/doc/features.doc:36 -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>The Feature Definition File</title>
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</head>
<body>

<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr bgcolor="#E5E5E5">
<td valign=center>
 <a href="index.html">
<font color="#004faf">Home</font></a>
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<font color="#004faf">All&nbsp;Classes</font></a>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>The Feature Definition File</h1>



<p> By modifying the configured <tt>qconfig.h</tt> file from src/tools, you
can define a subset of the full Qt functionality that you wish to
be available in your installation. The -qconfig option to
configure is used to select the configuration.
<p> Note that such modification is only supported on Qt/Embedded
platforms, where reducing the size of Qt is
important and the application set is often fixed.
<p> The <tt>qconfig.h</tt> definition file simply defines macros to disable
features. Some features are dependent on other features and these
dependencies are expressed in <tt>qfeatures.h</tt>.
<p> The available options are:
<p> <center><table cellpadding="4" cellspacing="2" border="0">
<tr bgcolor="#a2c511"> <th valign="top">Macro <th valign="top">Disables <th valign="top">Set automatically by
<tr bgcolor="#a2c511"> <th valign="top" colspan="3" rowspan="1"> Images (<a href="qimageio.html">QImageIO</a>)
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_IMAGEIO_BMP
<td valign="top">Microsoft Bitmap image file format.
<td valign="top">&nbsp;
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_IMAGEIO_PPM
<td valign="top">Portable Pixmap image file format.
<td valign="top">&nbsp;
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_IMAGEIO_XBM
<td valign="top">X11 Bitmap image file format.
<td valign="top">&nbsp;
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_IMAGEIO_XPM
<td valign="top">X11 Pixmap image file format.
<td valign="top">&nbsp;
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_IMAGEIO_PNG
<td valign="top">Portable Network Graphics image file format.
<td valign="top">&nbsp;
<tr bgcolor="#a2c511"> <th valign="top" colspan="3" rowspan="1"> Animation
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_ASYNC_IO
<td valign="top">Asynchronous I/O (<a href="qasyncio.html">QAsyncIO</a>)
<td valign="top">&nbsp;
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_ASYNC_IMAGE_IO
<td valign="top">Asynchronous Image I/O and GIF image support (<a href="qimagedecoder.html">QImageDecoder</a>, ...)
<td valign="top">&nbsp;
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_MOVIE
<td valign="top">Animation support (<a href="qmovie.html">QMovie</a>)
<td valign="top">QT_NO_ASYNC_IO, QT_NO_ASYNC_IMAGE_IO
<tr bgcolor="#a2c511"> <th valign="top" colspan="3" rowspan="1"> Fonts
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_TRUETYPE
<td valign="top">TrueType (TTF and TTC) font file format, only used by Qt/Embedded.
<td valign="top">&nbsp;
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_BDF
<td valign="top">Bitmap Distribution Format (BDF) font file format, only used by Qt/Embedded.
<td valign="top">&nbsp;
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_FONTDATABASE
<td valign="top">Font database.
<td valign="top">&nbsp;
<tr bgcolor="#a2c511"> <th valign="top" colspan="3" rowspan="1"> <a href="i18n.html#internationalization">Internationalization</a>
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_I18N
<td valign="top">Conversions between Unicode and 8-bit encodings.
<td valign="top">&nbsp;
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_UNICODETABLES
<td valign="top">Large tables defining such things as upper and lowercase conversions
for all Unicode characters.
<td valign="top">&nbsp;
<tr bgcolor="#a2c511"> <th valign="top" colspan="3" rowspan="1"> MIME
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_MIME
<td valign="top">Multipurpose Internet Mail Extensions, an Internet standard for encoding
and tagging typed data (eg. text, images, colors) (<a href="qmimesource.html">QMimeSource</a>)
<td valign="top">&nbsp;
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_RICHTEXT
<td valign="top">HTML-like text (<a href="qstylesheet.html">QStyleSheet</a>, <a href="qlabel.html">QLabel</a>)
<td valign="top">QT_NO_MIME
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_DRAGANDDROP
<td valign="top">Drag-and-drop data between applications (<a href="qdragobject.html">QDragObject</a>)
<td valign="top">QT_NO_MIME
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_CLIPBOARD
<td valign="top">Cut-and-paste data between applications (<a href="qclipboard.html">QClipboard</a>)
<td valign="top">QT_NO_MIME
<tr bgcolor="#a2c511"> <th valign="top" colspan="3" rowspan="1"> Sound
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_SOUND
<td valign="top">Playing audio files (<a href="qsound.html">QSound</a>)
<td valign="top">&nbsp;
<tr bgcolor="#a2c511"> <th valign="top" colspan="3" rowspan="1"> Scripting
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_PROPERTIES
<td valign="top">Scripting Qt-based applications.
<td valign="top">&nbsp;
<tr bgcolor="#a2c511"> <th valign="top" colspan="3" rowspan="1"> Qt/Embedded-specific
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_QWS_CURSOR
<td valign="top">The cursor sprite on Qt/Embedded. Pen-operated devices would not
normally need this feature.
<td valign="top">&nbsp;
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_QWS_DEPTH_8GRAYSCALE
<td valign="top" colspan="1" rowspan="1"> 8 bits per pixel: 256 levels of gray.
Incompatible with QWS_DEPTH_8.
<td valign="top">&nbsp;
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_QWS_DEPTH_8
<td valign="top" colspan="1" rowspan="1"> 8 bits per pixel: 216-color cube with 40 auxiliary colors.
Incompatible with QWS_DEPTH_8GRAYSCALE.
<td valign="top">&nbsp;
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_QWS_DEPTH_15
<td valign="top" colspan="1" rowspan="1"> 15 bits per pixel: 32 levels for each of red, green and blue.
<td valign="top">&nbsp;
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_QWS_DEPTH_16
<td valign="top" colspan="1" rowspan="1"> 16 bits per pixel: 64 levels of green, 32 levels for red and for blue.
<td valign="top">&nbsp;
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_QWS_DEPTH_32
<td valign="top" colspan="1" rowspan="1"> 32 bits per pixel: 256 levels for each of red, green and blue.
<td valign="top">&nbsp;
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_QWS_MACH64
<td valign="top">Mach64 accelerated driver (demonstration only).
<td valign="top">&nbsp;
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_QWS_VFB
<td valign="top">Virtual framebuffer running on X11 (see reference documentation).
<td valign="top">&nbsp;
<tr bgcolor="#a2c511"> <th valign="top" colspan="3" rowspan="1"> Networking
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_NETWORKPROTOCOL
<td valign="top">Abstract multi-protocol data retrieval,
with local file retrieval included (<a href="qnetworkprotocol.html">QNetworkProtocol</a>)
<td valign="top">&nbsp;
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_NETWORKPROTOCOL_FTP
<td valign="top">FTP-protocol data retrieval.
<td valign="top">QT_NO_NETWORKPROTOCOL
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_NETWORKPROTOCOL_HTTP
<td valign="top">HTTP-protocol data retrieval.
<td valign="top">QT_NO_NETWORKPROTOCOL
<tr bgcolor="#a2c511"> <th valign="top" colspan="3" rowspan="1"> Painting/drawing
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_COLORNAMES
<td valign="top">Color names such as "red", used by some <a href="qcolor.html">QColor</a> constructors
and by some HTML documents (<a href="qcolor.html">QColor</a>, <a href="qstylesheet.html">QStyleSheet</a>)
<td valign="top">&nbsp;
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_TRANSFORMATIONS
<td valign="top">Used by a number of classes in Qt. With this, rotation and
scaling are possible. Without it you can only do coordinate
translation (<a href="qwmatrix.html">QWMatrix</a>)
<td valign="top">&nbsp;
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_PSPRINTER
<td valign="top">PostScript printer support.
<td valign="top">&nbsp;
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_PRINTER
<td valign="top">Printer support (<a href="qprinter.html">QPrinter</a>)
<td valign="top">QT_NO_PSPRINTER (Unix only)
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_PICTURE
<td valign="top">Save Qt drawing commands to a files (<a href="qpicture.html">QPicture</a>)
<td valign="top">&nbsp;
<tr bgcolor="#a2c511"> <th valign="top" colspan="3" rowspan="1"> Widgets
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_WIDGETS
<td valign="top">Disabling this disables all widgets except <a href="qwidget.html">QWidget</a>.
<td valign="top">&nbsp;
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_TEXTVIEW
<td valign="top">HTML document viewing (<a href="qtextview.html">QTextView</a>)
<td valign="top">QT_NO_WIDGETS, QT_NO_RICHTEXT
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_TEXTBROWSER
<td valign="top">HTML document browsing (<a href="qtextbrowser.html">QTextBrowser</a>)
<td valign="top">QT_NO_TEXTVIEW
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_ICONVIEW
<td valign="top">Labelled icons (<a href="qiconview.html">QIconView</a>)
<td valign="top">QT_NO_WIDGETS, QT_NO_DRAGANDDROP
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_LISTVIEW
<td valign="top">Lists of information (<a href="qlistview.html">QListView</a>)
<td valign="top">QT_NO_WIDGETS
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_CANVAS
<td valign="top">Object canvas (<a href="qcanvas.html">QCanvas</a>)
<td valign="top">QT_NO_WIDGETS
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_DIAL
<td valign="top">Value control (<a href="qdial.html">QDial</a>)
<td valign="top">QT_NO_WIDGETS
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_WORKSPACE
<td valign="top">MDI (Multiple Document Interface) (<a href="qworkspace.html">QWorkspace</a>)
<td valign="top">QT_NO_WIDGETS
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_LCDNUMBER
<td valign="top">LCD-like number display (<a href="qlcdnumber.html">QLCDNumber</a>)
<td valign="top">QT_NO_WIDGETS
<tr bgcolor="#a2c511"> <th valign="top" colspan="3" rowspan="1"> GUI Styles
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_STYLE_WINDOWS
<td valign="top">Microsoft Windows style (<a href="qwindowsstyle.html">QWindowsStyle</a>)
<td valign="top">QT_NO_WIDGETS
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_STYLE_MOTIF
<td valign="top">OSF <a href="motif-extension.html#Motif">Motif</a> style (<a href="qmotifstyle.html">QMotifStyle</a>)
<td valign="top">QT_NO_WIDGETS
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_STYLE_CDE
<td valign="top">Open Group CDE style (<a href="qcdestyle.html">QCDEStyle</a>)
<td valign="top">QT_NO_STYLE_MOTIF
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_STYLE_AQUA
<td valign="top">MacOS X style (QAquaStyle)
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_STYLE_PLATINUM
<td valign="top">MacOS 9 style (<a href="qplatinumstyle.html">QPlatinumStyle</a>)
<td valign="top">QT_NO_WIDGETS
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_STYLE_SGI
<td valign="top">SGI style (<a href="qsgistyle.html">QSGIStyle</a>)
<td valign="top">QT_NO_STYLE_MOTIF
<tr bgcolor="#a2c511"> <th valign="top" colspan="3" rowspan="1"> Dialogs
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_DIALOGS
<td valign="top">Disabling this disables all common dialogs <a href="qwidget.html">QWidget</a>.
<td valign="top">QT_NO_WIDGETS
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_FILEDIALOG
<td valign="top">The file selection dialog (<a href="qfiledialog.html">QFileDialog</a>)
<td valign="top">QT_NO_DIALOGS, QT_NO_NETWORKPROTOCOL, QT_NO_LISTVIEW
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_FONTDIALOG
<td valign="top">The font selection dialog (<a href="qfontdialog.html">QFontDialog</a>)
<td valign="top">QT_NO_DIALOGS, QT_NO_FONTDATABASE
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_COLORDIALOG
<td valign="top">The color selection dialog (<a href="qcolordialog.html">QColorDialog</a>)
<td valign="top">QT_NO_DIALOGS
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_INPUTDIALOG
<td valign="top">Text input dialog (<a href="qinputdialog.html">QInputDialog</a>)
<td valign="top">QT_NO_DIALOGS
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_MESSAGEBOX
<td valign="top">Message/prompting dialog (<a href="qmessagebox.html">QMessageBox</a>)
<td valign="top">QT_NO_DIALOGS
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_PROGRESSDIALOG
<td valign="top">Long-computation progress dialog (<a href="qprogressdialog.html">QProgressDialog</a>)
<td valign="top">QT_NO_DIALOGS
<tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_TABDIALOG
<td valign="top">Tabbed-pages dialog (<a href="qtabdialog.html">QTabDialog</a>)
<td valign="top">QT_NO_DIALOGS
<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_WIZARD
<td valign="top">Multi-step dialog (<a href="qwizard.html">QWizard</a>)
<td valign="top">QT_NO_DIALOGS
</table></center>
<p> 
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<p><address><hr><div align=center>
<table width=100% cellspacing=0 border=0><tr>
<td>Copyright &copy; 2007
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
<td align=right><div align=right>Qt 3.3.8</div>
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