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QImageWriter
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com.trolltech.qt.gui</FONT>
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Class QImageWriter</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../com/trolltech/qt/QSignalEmitter.html" title="class in com.trolltech.qt">com.trolltech.qt.QSignalEmitter</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../com/trolltech/qt/QtJambiObject.html" title="class in com.trolltech.qt">com.trolltech.qt.QtJambiObject</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.trolltech.qt.gui.QImageWriter</B>
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<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../com/trolltech/qt/QtJambiInterface.html" title="interface in com.trolltech.qt">QtJambiInterface</A></DD>
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<DT><PRE>public class <B>QImageWriter</B><DT>extends <A HREF="../../../../com/trolltech/qt/QtJambiObject.html" title="class in com.trolltech.qt">QtJambiObject</A></DL>
</PRE>
<P>
<p>The <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> class provides a format independent interface for writing images to files or other devices.</p>
<p><a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> supports setting format specific options, such as the gamma level, compression level and quality, prior to storing the image. If you do not need such options, you can use QImage::save() or QPixmap::save() instead.</p>
<p>To store an image, you start by constructing a <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> object. Pass either a file name or a device pointer, and the image format to <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a>'s constructor. You can then set several options, such as the gamma level (by calling <a href="QImageWriter.html#setGamma(float)"><tt>setGamma</tt></a>) and quality (by calling <a href="QImageWriter.html#setQuality(int)"><tt>setQuality</tt></a>). <a href="QImageWriter.html#canWrite()"><tt>canWrite</tt></a> returns true if <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> can write the image (i.e., the image format is supported and the device is open for writing). Call <a href="QImageWriter.html#write(com.trolltech.qt.gui.QImage)"><tt>write</tt></a> to write the image to the device.</p>
<p>If any error occurs when writing the image, <a href="QImageWriter.html#write(com.trolltech.qt.gui.QImage)"><tt>write</tt></a> will return false. You can then call <a href="QImageWriter.html#error()"><tt>error</tt></a> to find the type of error that occurred, or <a href="QImageWriter.html#errorString()"><tt>errorString</tt></a> to get a human readable description of what went wrong.</p>
<p>Call <a href="QImageWriter.html#supportedImageFormats()"><tt>supportedImageFormats</tt></a> for a list of formats that <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> can write. <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> supports all built-in image formats, in addition to any image format plugins that support writing.</p>
<P>
<P>
<DL>
<DT><B>See Also:</B><DD><a href="QImageReader.html"><tt>QImageReader</tt></a>,
<a href="QImageIOHandler.html"><tt>QImageIOHandler</tt></a>,
<tt>QImageIOPlugin</tt></DL>
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<CODE>static class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.ImageWriterError.html" title="enum in com.trolltech.qt.gui">QImageWriter.ImageWriterError</A></B></CODE>
<BR>
This enum describes errors that can occur when writing images with <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a>.</TD>
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<TH ALIGN="left"><B>Nested classes/interfaces inherited from class com.trolltech.qt.<A HREF="../../../../com/trolltech/qt/QSignalEmitter.html" title="class in com.trolltech.qt">QSignalEmitter</A></B></TH>
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<TD><CODE><A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal0.html" title="class in com.trolltech.qt">QSignalEmitter.Signal0</A>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal1.html" title="class in com.trolltech.qt">QSignalEmitter.Signal1</A><<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal1.html" title="type parameter in QSignalEmitter.Signal1">A</A>>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal2.html" title="class in com.trolltech.qt">QSignalEmitter.Signal2</A><<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal2.html" title="type parameter in QSignalEmitter.Signal2">A</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal2.html" title="type parameter in QSignalEmitter.Signal2">B</A>>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal3.html" title="class in com.trolltech.qt">QSignalEmitter.Signal3</A><<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal3.html" title="type parameter in QSignalEmitter.Signal3">A</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal3.html" title="type parameter in QSignalEmitter.Signal3">B</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal3.html" title="type parameter in QSignalEmitter.Signal3">C</A>>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal4.html" title="class in com.trolltech.qt">QSignalEmitter.Signal4</A><<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal4.html" title="type parameter in QSignalEmitter.Signal4">A</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal4.html" title="type parameter in QSignalEmitter.Signal4">B</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal4.html" title="type parameter in QSignalEmitter.Signal4">C</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal4.html" title="type parameter in QSignalEmitter.Signal4">D</A>>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal5.html" title="class in com.trolltech.qt">QSignalEmitter.Signal5</A><<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal5.html" title="type parameter in QSignalEmitter.Signal5">A</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal5.html" title="type parameter in QSignalEmitter.Signal5">B</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal5.html" title="type parameter in QSignalEmitter.Signal5">C</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal5.html" title="type parameter in QSignalEmitter.Signal5">D</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal5.html" title="type parameter in QSignalEmitter.Signal5">E</A>>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal6.html" title="class in com.trolltech.qt">QSignalEmitter.Signal6</A><<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal6.html" title="type parameter in QSignalEmitter.Signal6">A</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal6.html" title="type parameter in QSignalEmitter.Signal6">B</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal6.html" title="type parameter in QSignalEmitter.Signal6">C</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal6.html" title="type parameter in QSignalEmitter.Signal6">D</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal6.html" title="type parameter in QSignalEmitter.Signal6">E</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal6.html" title="type parameter in QSignalEmitter.Signal6">F</A>>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal7.html" title="class in com.trolltech.qt">QSignalEmitter.Signal7</A><<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal7.html" title="type parameter in QSignalEmitter.Signal7">A</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal7.html" title="type parameter in QSignalEmitter.Signal7">B</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal7.html" title="type parameter in QSignalEmitter.Signal7">C</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal7.html" title="type parameter in QSignalEmitter.Signal7">D</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal7.html" title="type parameter in QSignalEmitter.Signal7">E</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal7.html" title="type parameter in QSignalEmitter.Signal7">F</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal7.html" title="type parameter in QSignalEmitter.Signal7">G</A>>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal8.html" title="class in com.trolltech.qt">QSignalEmitter.Signal8</A><<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal8.html" title="type parameter in QSignalEmitter.Signal8">A</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal8.html" title="type parameter in QSignalEmitter.Signal8">B</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal8.html" title="type parameter in QSignalEmitter.Signal8">C</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal8.html" title="type parameter in QSignalEmitter.Signal8">D</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal8.html" title="type parameter in QSignalEmitter.Signal8">E</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal8.html" title="type parameter in QSignalEmitter.Signal8">F</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal8.html" title="type parameter in QSignalEmitter.Signal8">G</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal8.html" title="type parameter in QSignalEmitter.Signal8">H</A>>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="class in com.trolltech.qt">QSignalEmitter.Signal9</A><<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">A</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">B</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">C</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">D</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">E</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">F</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">G</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">H</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">I</A>></CODE></TD>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#QImageWriter()">QImageWriter</A></B>()</CODE>
<BR>
Constructs an empty <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> object.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#QImageWriter(com.trolltech.qt.core.QIODevice, com.trolltech.qt.core.QByteArray)">QImageWriter</A></B>(<A HREF="../../../../com/trolltech/qt/core/QIODevice.html" title="class in com.trolltech.qt.core">QIODevice</A> device,
<A HREF="../../../../com/trolltech/qt/core/QByteArray.html" title="class in com.trolltech.qt.core">QByteArray</A> format)</CODE>
<BR>
Constructs a <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> object using the device <tt>device</tt> and image format <tt>format</tt>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#QImageWriter(java.lang.String)">QImageWriter</A></B>(java.lang.String fileName)</CODE>
<BR>
Equivalent to <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a>(<tt>fileName</tt>, QByteArray()).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)">QImageWriter</A></B>(java.lang.String fileName,
<A HREF="../../../../com/trolltech/qt/core/QByteArray.html" title="class in com.trolltech.qt.core">QByteArray</A> format)</CODE>
<BR>
Constructs a <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> objects that will write to a file with the name <tt>fileName</tt>, using the image format <tt>format</tt>.</TD>
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<!-- ========== METHOD SUMMARY =========== -->
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#canWrite()">canWrite</A></B>()</CODE>
<BR>
Returns true if <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> can write the image (i.e., the image format is supported and the assigned device is open for reading.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#compression()">compression</A></B>()</CODE>
<BR>
Returns the compression of the image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../com/trolltech/qt/core/QIODevice.html" title="class in com.trolltech.qt.core">QIODevice</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#device()">device</A></B>()</CODE>
<BR>
Returns the device currently assigned to <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a>, or 0 if no device has been assigned.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../com/trolltech/qt/gui/QImageWriter.ImageWriterError.html" title="enum in com.trolltech.qt.gui">QImageWriter.ImageWriterError</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#error()">error</A></B>()</CODE>
<BR>
Returns the type of error that last occurred.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#errorString()">errorString</A></B>()</CODE>
<BR>
Returns a human readable description of the last error that occurred.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#fileName()">fileName</A></B>()</CODE>
<BR>
If the currently assigned device is a <a href="%2E%2E/core/QFile.html"><tt>QFile</tt></a>, or if <a href="QImageWriter.html#setFileName(java.lang.String)"><tt>setFileName</tt></a> has been called, this function returns the name of the file <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> writes to.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../com/trolltech/qt/core/QByteArray.html" title="class in com.trolltech.qt.core">QByteArray</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#format()">format</A></B>()</CODE>
<BR>
Returns the format <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> uses for writing images.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html" title="class in com.trolltech.qt.gui">QImageWriter</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#fromNativePointer(com.trolltech.qt.QNativePointer)">fromNativePointer</A></B>(<A HREF="../../../../com/trolltech/qt/QNativePointer.html" title="class in com.trolltech.qt">QNativePointer</A> nativePointer)</CODE>
<BR>
This function returns the QImageWriter instance pointed to by nativePointer</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> float</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#gamma()">gamma</A></B>()</CODE>
<BR>
Returns the gamma level of the image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#quality()">quality</A></B>()</CODE>
<BR>
Returns the quality level of the image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#setCompression(int)">setCompression</A></B>(int compression)</CODE>
<BR>
This is an image format specific function that set the compression of an image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#setDevice(com.trolltech.qt.core.QIODevice)">setDevice</A></B>(<A HREF="../../../../com/trolltech/qt/core/QIODevice.html" title="class in com.trolltech.qt.core">QIODevice</A> device)</CODE>
<BR>
Sets <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a>'s device to <tt>device</tt>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#setFileName(java.lang.String)">setFileName</A></B>(java.lang.String fileName)</CODE>
<BR>
Sets the file name of <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> to <tt>fileName</tt>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#setFormat(com.trolltech.qt.core.QByteArray)">setFormat</A></B>(<A HREF="../../../../com/trolltech/qt/core/QByteArray.html" title="class in com.trolltech.qt.core">QByteArray</A> format)</CODE>
<BR>
Sets the format <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> will use when writing images, to <tt>format</tt>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#setGamma(float)">setGamma</A></B>(float gamma)</CODE>
<BR>
This is an image format specific function that sets the gamma level of the image to <tt>gamma</tt>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#setQuality(int)">setQuality</A></B>(int quality)</CODE>
<BR>
This is an image format specific function that sets the quality level of the image to <tt>quality</tt>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#setText(java.lang.String, java.lang.String)">setText</A></B>(java.lang.String key,
java.lang.String text)</CODE>
<BR>
Sets the image text associated with the key <tt>key</tt> to <tt>text</tt>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static java.util.List<<A HREF="../../../../com/trolltech/qt/core/QByteArray.html" title="class in com.trolltech.qt.core">QByteArray</A>></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#supportedImageFormats()">supportedImageFormats</A></B>()</CODE>
<BR>
Returns the list of image formats supported by <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#supportsOption(com.trolltech.qt.gui.QImageIOHandler.ImageOption)">supportsOption</A></B>(<A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> option)</CODE>
<BR>
Returns true if the writer supports <tt>option</tt>; otherwise returns false.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html#write(com.trolltech.qt.gui.QImage)">write</A></B>(<A HREF="../../../../com/trolltech/qt/gui/QImage.html" title="class in com.trolltech.qt.gui">QImage</A> image)</CODE>
<BR>
Writes the image <tt>image</tt> to the assigned device or file name.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_com.trolltech.qt.QtJambiObject"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class com.trolltech.qt.<A HREF="../../../../com/trolltech/qt/QtJambiObject.html" title="class in com.trolltech.qt">QtJambiObject</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../com/trolltech/qt/QtJambiObject.html#dispose()">dispose</A>, <A HREF="../../../../com/trolltech/qt/QtJambiObject.html#disposed()">disposed</A>, <A HREF="../../../../com/trolltech/qt/QtJambiObject.html#finalize()">finalize</A>, <A HREF="../../../../com/trolltech/qt/QtJambiObject.html#reassignNativeResources(com.trolltech.qt.QtJambiObject, java.lang.Class)">reassignNativeResources</A>, <A HREF="../../../../com/trolltech/qt/QtJambiObject.html#tr(java.lang.String)">tr</A>, <A HREF="../../../../com/trolltech/qt/QtJambiObject.html#tr(java.lang.String, java.lang.String)">tr</A>, <A HREF="../../../../com/trolltech/qt/QtJambiObject.html#tr(java.lang.String, java.lang.String, int)">tr</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_com.trolltech.qt.QSignalEmitter"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class com.trolltech.qt.<A HREF="../../../../com/trolltech/qt/QSignalEmitter.html" title="class in com.trolltech.qt">QSignalEmitter</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../com/trolltech/qt/QSignalEmitter.html#blockSignals(boolean)">blockSignals</A>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.html#disconnect()">disconnect</A>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.html#disconnect(java.lang.Object)">disconnect</A>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.html#signalsBlocked()">signalsBlocked</A>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.html#signalSender()">signalSender</A>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.html#thread()">thread</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_com.trolltech.qt.QtJambiInterface"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from interface com.trolltech.qt.<A HREF="../../../../com/trolltech/qt/QtJambiInterface.html" title="interface in com.trolltech.qt">QtJambiInterface</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../com/trolltech/qt/QtJambiInterface.html#disableGarbageCollection()">disableGarbageCollection</A>, <A HREF="../../../../com/trolltech/qt/QtJambiInterface.html#nativeId()">nativeId</A>, <A HREF="../../../../com/trolltech/qt/QtJambiInterface.html#nativePointer()">nativePointer</A>, <A HREF="../../../../com/trolltech/qt/QtJambiInterface.html#reenableGarbageCollection()">reenableGarbageCollection</A>, <A HREF="../../../../com/trolltech/qt/QtJambiInterface.html#setJavaOwnership()">setJavaOwnership</A></CODE></TD>
</TR>
</TABLE>
<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="QImageWriter()"><!-- --></A><H3>
QImageWriter</H3>
<PRE>
public <B>QImageWriter</B>()</PRE>
<DL>
<DD><p>Constructs an empty <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> object. Before writing, you must call <a href="QImageWriter.html#setFormat(com.trolltech.qt.core.QByteArray)"><tt>setFormat</tt></a> to set an image format, then <a href="QImageWriter.html#setDevice(com.trolltech.qt.core.QIODevice)"><tt>setDevice</tt></a> or <a href="QImageWriter.html#setFileName(java.lang.String)"><tt>setFileName</tt></a>.</p>
<P>
</DL>
<HR>
<A NAME="QImageWriter(com.trolltech.qt.core.QIODevice, com.trolltech.qt.core.QByteArray)"><!-- --></A><H3>
QImageWriter</H3>
<PRE>
public <B>QImageWriter</B>(<A HREF="../../../../com/trolltech/qt/core/QIODevice.html" title="class in com.trolltech.qt.core">QIODevice</A> device,
<A HREF="../../../../com/trolltech/qt/core/QByteArray.html" title="class in com.trolltech.qt.core">QByteArray</A> format)</PRE>
<DL>
<DD><p>Constructs a <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> object using the device <tt>device</tt> and image format <tt>format</tt>.</p>
<P>
</DL>
<HR>
<A NAME="QImageWriter(java.lang.String)"><!-- --></A><H3>
QImageWriter</H3>
<PRE>
public <B>QImageWriter</B>(java.lang.String fileName)</PRE>
<DL>
<DD><p>Equivalent to <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a>(<tt>fileName</tt>, QByteArray()).
<P>
</DL>
<HR>
<A NAME="QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><!-- --></A><H3>
QImageWriter</H3>
<PRE>
public <B>QImageWriter</B>(java.lang.String fileName,
<A HREF="../../../../com/trolltech/qt/core/QByteArray.html" title="class in com.trolltech.qt.core">QByteArray</A> format)</PRE>
<DL>
<DD><p>Constructs a <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> objects that will write to a file with the name <tt>fileName</tt>, using the image format <tt>format</tt>. If <tt>format</tt> is not provided, <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> will detect the image format by inspecting the extension of <tt>fileName</tt>.</p>
<P>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="canWrite()"><!-- --></A><H3>
canWrite</H3>
<PRE>
public final boolean <B>canWrite</B>()</PRE>
<DL>
<DD><p>Returns true if <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> can write the image (i.e., the image format is supported and the assigned device is open for reading.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QImageWriter.html#write(com.trolltech.qt.gui.QImage)"><tt>write</tt></a>,
<a href="QImageWriter.html#setDevice(com.trolltech.qt.core.QIODevice)"><tt>setDevice</tt></a>,
<a href="QImageWriter.html#setFormat(com.trolltech.qt.core.QByteArray)"><tt>setFormat</tt></a></DL>
</DD>
</DL>
<HR>
<A NAME="compression()"><!-- --></A><H3>
compression</H3>
<PRE>
public final int <B>compression</B>()</PRE>
<DL>
<DD><p>Returns the compression of the image.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QImageWriter.html#setCompression(int)"><tt>setCompression</tt></a></DL>
</DD>
</DL>
<HR>
<A NAME="device()"><!-- --></A><H3>
device</H3>
<PRE>
public final <A HREF="../../../../com/trolltech/qt/core/QIODevice.html" title="class in com.trolltech.qt.core">QIODevice</A> <B>device</B>()</PRE>
<DL>
<DD><p>Returns the device currently assigned to <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a>, or 0 if no device has been assigned.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QImageWriter.html#setDevice(com.trolltech.qt.core.QIODevice)"><tt>setDevice</tt></a></DL>
</DD>
</DL>
<HR>
<A NAME="error()"><!-- --></A><H3>
error</H3>
<PRE>
public final <A HREF="../../../../com/trolltech/qt/gui/QImageWriter.ImageWriterError.html" title="enum in com.trolltech.qt.gui">QImageWriter.ImageWriterError</A> <B>error</B>()</PRE>
<DL>
<DD><p>Returns the type of error that last occurred.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QImageWriter.html#ImageWriterError-enum"><tt>ImageWriterError</tt></a>,
<a href="QImageWriter.html#errorString()"><tt>errorString</tt></a></DL>
</DD>
</DL>
<HR>
<A NAME="errorString()"><!-- --></A><H3>
errorString</H3>
<PRE>
public final java.lang.String <B>errorString</B>()</PRE>
<DL>
<DD><p>Returns a human readable description of the last error that occurred.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QImageWriter.html#error()"><tt>error</tt></a></DL>
</DD>
</DL>
<HR>
<A NAME="fileName()"><!-- --></A><H3>
fileName</H3>
<PRE>
public final java.lang.String <B>fileName</B>()</PRE>
<DL>
<DD><p>If the currently assigned device is a <a href="%2E%2E/core/QFile.html"><tt>QFile</tt></a>, or if <a href="QImageWriter.html#setFileName(java.lang.String)"><tt>setFileName</tt></a> has been called, this function returns the name of the file <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> writes to. Otherwise (i.e., if no device has been assigned or the device is not a <a href="%2E%2E/core/QFile.html"><tt>QFile</tt></a>), an empty <a href="%2E%2E/porting4.html#qstring"><tt>QString</tt></a> is returned.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QImageWriter.html#setFileName(java.lang.String)"><tt>setFileName</tt></a>,
<a href="QImageWriter.html#setDevice(com.trolltech.qt.core.QIODevice)"><tt>setDevice</tt></a></DL>
</DD>
</DL>
<HR>
<A NAME="format()"><!-- --></A><H3>
format</H3>
<PRE>
public final <A HREF="../../../../com/trolltech/qt/core/QByteArray.html" title="class in com.trolltech.qt.core">QByteArray</A> <B>format</B>()</PRE>
<DL>
<DD><p>Returns the format <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> uses for writing images.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QImageWriter.html#setFormat(com.trolltech.qt.core.QByteArray)"><tt>setFormat</tt></a></DL>
</DD>
</DL>
<HR>
<A NAME="gamma()"><!-- --></A><H3>
gamma</H3>
<PRE>
public final float <B>gamma</B>()</PRE>
<DL>
<DD><p>Returns the gamma level of the image.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QImageWriter.html#setGamma(float)"><tt>setGamma</tt></a></DL>
</DD>
</DL>
<HR>
<A NAME="quality()"><!-- --></A><H3>
quality</H3>
<PRE>
public final int <B>quality</B>()</PRE>
<DL>
<DD><p>Returns the quality level of the image.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QImageWriter.html#setQuality(int)"><tt>setQuality</tt></a></DL>
</DD>
</DL>
<HR>
<A NAME="setCompression(int)"><!-- --></A><H3>
setCompression</H3>
<PRE>
public final void <B>setCompression</B>(int compression)</PRE>
<DL>
<DD><p>This is an image format specific function that set the compression of an image. For image formats that do not support setting the compression, this value is ignored.</p>
<p>The value range of <tt>compression</tt> depends on the image format. For example, the "tiff" format supports two values, 0(no compression) and 1(LZW-compression).</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QImageWriter.html#compression()"><tt>compression</tt></a></DL>
</DD>
</DL>
<HR>
<A NAME="setDevice(com.trolltech.qt.core.QIODevice)"><!-- --></A><H3>
setDevice</H3>
<PRE>
public final void <B>setDevice</B>(<A HREF="../../../../com/trolltech/qt/core/QIODevice.html" title="class in com.trolltech.qt.core">QIODevice</A> device)</PRE>
<DL>
<DD><p>Sets <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a>'s device to <tt>device</tt>. If a device has already been set, the old device is removed from <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> and is otherwise left unchanged.</p>
<p>If the device is not already open, <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> will attempt to open the device in <tt>QIODevice::WriteOnly</tt> mode by calling open(). Note that this does not work for certain devices, such as <a href="%2E%2E/core/QProcess.html"><tt>QProcess</tt></a>, <a href="%2E%2E/network/QTcpSocket.html"><tt>QTcpSocket</tt></a> and <a href="%2E%2E/network/QUdpSocket.html"><tt>QUdpSocket</tt></a>, where more logic is required to open the device.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QImageWriter.html#device()"><tt>device</tt></a>,
<a href="QImageWriter.html#setFileName(java.lang.String)"><tt>setFileName</tt></a></DL>
</DD>
</DL>
<HR>
<A NAME="setFileName(java.lang.String)"><!-- --></A><H3>
setFileName</H3>
<PRE>
public final void <B>setFileName</B>(java.lang.String fileName)</PRE>
<DL>
<DD><p>Sets the file name of <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> to <tt>fileName</tt>. Internally, <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> will create a <a href="%2E%2E/core/QFile.html"><tt>QFile</tt></a> and open it in <tt>QIODevice::WriteOnly</tt> mode, and use this file when writing images.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QImageWriter.html#fileName()"><tt>fileName</tt></a>,
<a href="QImageWriter.html#setDevice(com.trolltech.qt.core.QIODevice)"><tt>setDevice</tt></a></DL>
</DD>
</DL>
<HR>
<A NAME="setFormat(com.trolltech.qt.core.QByteArray)"><!-- --></A><H3>
setFormat</H3>
<PRE>
public final void <B>setFormat</B>(<A HREF="../../../../com/trolltech/qt/core/QByteArray.html" title="class in com.trolltech.qt.core">QByteArray</A> format)</PRE>
<DL>
<DD><p>Sets the format <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> will use when writing images, to <tt>format</tt>. <tt>format</tt> is a case insensitive text string. Example:</p>
<pre> QImageWriter writer;
writer.setFormat("png"); <span class="comment">// same as writer.setFormat("PNG");</span></pre>
<p>You can call <a href="QImageWriter.html#supportedImageFormats()"><tt>supportedImageFormats</tt></a> for the full list of formats <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a> supports.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QImageWriter.html#format()"><tt>format</tt></a></DL>
</DD>
</DL>
<HR>
<A NAME="setGamma(float)"><!-- --></A><H3>
setGamma</H3>
<PRE>
public final void <B>setGamma</B>(float gamma)</PRE>
<DL>
<DD><p>This is an image format specific function that sets the gamma level of the image to <tt>gamma</tt>. For image formats that do not support setting the gamma level, this value is ignored.</p>
<p>The value range of <tt>gamma</tt> depends on the image format. For example, the "png" format supports a gamma range from 0.0 to 1.0.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QImageWriter.html#gamma()"><tt>gamma</tt></a>,
<a href="QImageWriter.html#quality()"><tt>quality</tt></a></DL>
</DD>
</DL>
<HR>
<A NAME="setQuality(int)"><!-- --></A><H3>
setQuality</H3>
<PRE>
public final void <B>setQuality</B>(int quality)</PRE>
<DL>
<DD><p>This is an image format specific function that sets the quality level of the image to <tt>quality</tt>. For image formats that do not support setting the quality, this value is ignored.</p>
<p>The value range of <tt>quality</tt> depends on the image format. For example, the "jpeg" format supports a quality range from 0 (low quality, high compression) to 100 (high quality, low compression).</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QImageWriter.html#quality()"><tt>quality</tt></a></DL>
</DD>
</DL>
<HR>
<A NAME="setText(java.lang.String, java.lang.String)"><!-- --></A><H3>
setText</H3>
<PRE>
public final void <B>setText</B>(java.lang.String key,
java.lang.String text)</PRE>
<DL>
<DD><p>Sets the image text associated with the key <tt>key</tt> to <tt>text</tt>. This is useful for storing copyright information or other information about the image. Example:</p>
<pre> QImage image("some/image.jpeg");
QImageWriter writer("images/outimage.png", "png");
writer.setText("Author", "John Smith");
writer.write(image);</pre>
<p>If you want to store a single block of data (e.g., a comment), you can pass an empty key, or use a generic key like "Description".</p>
<p>The key and text will be embedded into the image data after calling <a href="QImageWriter.html#write(com.trolltech.qt.gui.QImage)"><tt>write</tt></a>.</p>
<p>Support for this option is implemented through QImageIOHandler::Description.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><tt>QImage::setText</tt>,
<tt>QImageReader::text</tt></DL>
</DD>
</DL>
<HR>
<A NAME="supportsOption(com.trolltech.qt.gui.QImageIOHandler.ImageOption)"><!-- --></A><H3>
supportsOption</H3>
<PRE>
public final boolean <B>supportsOption</B>(<A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> option)</PRE>
<DL>
<DD><p>Returns true if the writer supports <tt>option</tt>; otherwise returns false.</p>
<p>Different image formats support different options. Call this function to determine whether a certain option is supported by the current format. For example, the PNG format allows you to embed text into the image's metadata (see text()).</p>
<pre> QImageWriter writer(fileName);
if (writer.supportsOption(QImageIOHandler::Description))
writer.setText("Author", "John Smith");</pre>
<p>Options can be tested after the writer has been associated with a format.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><tt>QImageReader::supportsOption</tt>,
<a href="QImageWriter.html#setFormat(com.trolltech.qt.core.QByteArray)"><tt>setFormat</tt></a></DL>
</DD>
</DL>
<HR>
<A NAME="write(com.trolltech.qt.gui.QImage)"><!-- --></A><H3>
write</H3>
<PRE>
public final boolean <B>write</B>(<A HREF="../../../../com/trolltech/qt/gui/QImage.html" title="class in com.trolltech.qt.gui">QImage</A> image)</PRE>
<DL>
<DD><p>Writes the image <tt>image</tt> to the assigned device or file name. Returns true on success; otherwise returns false. If the operation fails, you can call <a href="QImageWriter.html#error()"><tt>error</tt></a> to find the type of error that occurred, or <a href="QImageWriter.html#errorString()"><tt>errorString</tt></a> to get a human readable description of the error.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QImageWriter.html#canWrite()"><tt>canWrite</tt></a>,
<a href="QImageWriter.html#error()"><tt>error</tt></a>,
<a href="QImageWriter.html#errorString()"><tt>errorString</tt></a></DL>
</DD>
</DL>
<HR>
<A NAME="supportedImageFormats()"><!-- --></A><H3>
supportedImageFormats</H3>
<PRE>
public static java.util.List<<A HREF="../../../../com/trolltech/qt/core/QByteArray.html" title="class in com.trolltech.qt.core">QByteArray</A>> <B>supportedImageFormats</B>()</PRE>
<DL>
<DD><p>Returns the list of image formats supported by <a href="QImageWriter.html#QImageWriter(java.lang.String, com.trolltech.qt.core.QByteArray)"><tt>QImageWriter</tt></a>.</p>
<p>By default, Qt can write the following formats:</p>
<p><table align="center" cellpadding="2" cellspacing="1" border="0">
<thead><tr valign="top" class="qt-style"><th>Format</th><th>Description</th></tr></thead>
<tr valign="top" class="odd"><td>BMP</td><td>Windows Bitmap</td></tr>
<tr valign="top" class="even"><td>JPG</td><td>Joint Photographic Experts Group</td></tr>
<tr valign="top" class="odd"><td>JPEG</td><td>Joint Photographic Experts Group</td></tr>
<tr valign="top" class="even"><td>PNG</td><td>Portable Network Graphics</td></tr>
<tr valign="top" class="odd"><td>PPM</td><td>Portable Pixmap</td></tr>
<tr valign="top" class="even"><td>TIFF</td><td>Tagged Image File Format</td></tr>
<tr valign="top" class="odd"><td>XBM</td><td>X11 Bitmap</td></tr>
<tr valign="top" class="even"><td>XPM</td><td>X11 Pixmap</td></tr>
</table></p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QImageWriter.html#setFormat(com.trolltech.qt.core.QByteArray)"><tt>setFormat</tt></a>,
<tt>QImageReader::supportedImageFormats</tt>,
<tt>QImageIOPlugin</tt></DL>
</DD>
</DL>
<HR>
<A NAME="fromNativePointer(com.trolltech.qt.QNativePointer)"><!-- --></A><H3>
fromNativePointer</H3>
<PRE>
public static <A HREF="../../../../com/trolltech/qt/gui/QImageWriter.html" title="class in com.trolltech.qt.gui">QImageWriter</A> <B>fromNativePointer</B>(<A HREF="../../../../com/trolltech/qt/QNativePointer.html" title="class in com.trolltech.qt">QNativePointer</A> nativePointer)</PRE>
<DL>
<DD>This function returns the QImageWriter instance pointed to by nativePointer
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>nativePointer</CODE> - the QNativePointer of which object should be returned.</DL>
</DD>
</DL>
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