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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/reggie/tmp/qt-3.0-reggie-5401/qt-x11-commercial-3.0.5/doc/features.doc:36 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>The Feature Definition File</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: #ffffff; color: black; }--></style></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> | <a href="classes.html"><font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> | <a href="annotated.html"><font color="#004faf">Annotated</font></a> | <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"><font color="#004faf">Functions</font></a></td><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> The file <tt>src/tools/qfeatures.h</tt> includes the file <tt>src/tools/qconfig.h</tt>. By modifying <tt>qconfig.h</tt>, you can define asubset of the full Qt functionality that you wish to have availableon your installation.<p> Note that such modification is only supported on Qt/Embeddedplatforms, where reducing the size of Qt isimportant and the application-set is often fixed.<p> The <tt>config.h</tt> definition file simply defines macros to disablefeatures. Some features are dependent on other features and thesedependencies 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">The Microsoft Bitmap image file format.<td valign="top"> <tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_IMAGEIO_PPM<td valign="top">The Portable Pixmap image file format.<td valign="top"> <tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_IMAGEIO_XBM<td valign="top">The X11 Bitmap image file format.<td valign="top"> <tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_IMAGEIO_XPM<td valign="top">The X11 Pixmap image file format.<td valign="top"> <tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_IMAGEIO_PNG<td valign="top">The Portable Network Graphics image file format.<td valign="top"> <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"> <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"> <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"> <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"> <tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_FONTDATABASE<td valign="top">Font database.<td valign="top"> <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"> <tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_UNICODETABLES<td valign="top">Large tables defining such things as upper and lowercase conversionsfor all Unicode characters.<td valign="top"> <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 encodingand tagging typed data (eg. text, images, colors) (<a href="qmimesource.html">QMimeSource</a>)<td valign="top"> <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"> <tr bgcolor="#a2c511"> <th valign="top" colspan="3" rowspan="1"> Scipting<tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_PROPERTIES<td valign="top">Scripting of Qt-based applications.<td valign="top"> <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 notnormally need this feature.<td valign="top"> <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"> <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"> <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"> <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"> <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"> <tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_QWS_MACH64<td valign="top">Mach64 accelerated driver (demonstration only).<td valign="top"> <tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_QWS_VFB<td valign="top">Virtual framebuffer running on X11 (see reference documentation).<td valign="top"> <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"> <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> constructorsand by some HTML documents (<a href="qcolor.html">QColor</a>, <a href="qstylesheet.html">QStyleSheet</a>)<td valign="top"> <tr bgcolor="#d0d0d0"> <td valign="top">QT_NO_TRANSFORMATIONS<td valign="top">Used by a number of classes in Qt. With this, rotation and scalingare possible. Without it, only co-ordinate translation (<a href="qwmatrix.html">QWMatrix</a>)<td valign="top"> <tr bgcolor="#f0f0f0"> <td valign="top">QT_NO_PSPRINTER<td valign="top">PostScript printer support.<td valign="top"> <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"> <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"> <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">Multi-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 Motif 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> <!-- eof --><p><address><hr><div align=center><table width=100% cellspacing=0 border=0><tr><td>Copyright © 2002 <a 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