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QImageIOHandler.ImageOption
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SUMMARY: NESTED | <A HREF="#enum_constant_summary">ENUM CONSTANTS</A> | FIELD | <A HREF="#method_summary">METHOD</A></FONT></TD>
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com.trolltech.qt.gui</FONT>
<BR>
Enum QImageIOHandler.ImageOption</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by ">java.lang.Enum<<A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A>>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.trolltech.qt.gui.QImageIOHandler.ImageOption</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../com/trolltech/qt/QtEnumerator.html" title="interface in com.trolltech.qt">QtEnumerator</A>, java.io.Serializable, java.lang.Comparable<<A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A>></DD>
</DL>
<DL>
<DT><B>Enclosing class:</B><DD><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.html" title="class in com.trolltech.qt.gui">QImageIOHandler</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public static enum <B>QImageIOHandler.ImageOption</B><DT>extends java.lang.Enum<<A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A>><DT>implements <A HREF="../../../../com/trolltech/qt/QtEnumerator.html" title="interface in com.trolltech.qt">QtEnumerator</A></DL>
</PRE>
<P>
<p>This enum describes the different options supported by <a href="QImageIOHandler.html#QImageIOHandler()"><tt>QImageIOHandler</tt></a>. Some options are used to query an image for properties, and others are used to toggle the way in which an image should be written.</p>
<P>
<P>
<HR>
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<!-- =========== ENUM CONSTANT SUMMARY =========== -->
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Enum Constant Summary</B></FONT></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html#Animation">Animation</A></B></CODE>
<BR>
Image formats that support animation return true for this value in <a href="QImageIOHandler.html#supportsOption(com.trolltech.qt.gui.QImageIOHandler.ImageOption)"><tt>supportsOption</tt></a>; otherwise, false is returned.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html#BackgroundColor">BackgroundColor</A></B></CODE>
<BR>
Certain image formats allow the background color to be specified.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html#ClipRect">ClipRect</A></B></CODE>
<BR>
The clip rect, or ROI (Region Of Interest).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html#CompressionRatio">CompressionRatio</A></B></CODE>
<BR>
The compression ratio of the image data.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html#Description">Description</A></B></CODE>
<BR>
The image description.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html#Endianness">Endianness</A></B></CODE>
<BR>
The endianness of the image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html#Gamma">Gamma</A></B></CODE>
<BR>
The gamma level of the image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html#IncrementalReading">IncrementalReading</A></B></CODE>
<BR>
A handler that supports this option is expected to read the image in several passes, as if it was an animation.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html#Name">Name</A></B></CODE>
<BR>
The name of the image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html#Quality">Quality</A></B></CODE>
<BR>
The quality level of the image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html#ScaledClipRect">ScaledClipRect</A></B></CODE>
<BR>
The scaled clip rect (or ROI, Region Of Interest) of the image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html#ScaledSize">ScaledSize</A></B></CODE>
<BR>
The scaled size of the image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html#Size">Size</A></B></CODE>
<BR>
The original size of an image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html#SubType">SubType</A></B></CODE>
<BR>
The subtype of the image.</TD>
</TR>
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<B>Method Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html#resolve(int)">resolve</A></B>(int value)</CODE>
<BR>
</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/QImageIOHandler.ImageOption.html#value()">value</A></B>()</CODE>
<BR>
</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/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html#valueOf(java.lang.String)">valueOf</A></B>(java.lang.String name)</CODE>
<BR>
Returns the enum constant of this type with the specified name.</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/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html#values()">values</A></B>()</CODE>
<BR>
Returns an array containing the constants of this enum type, in
the order they're declared.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Enum"><!-- --></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.Enum</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, compareTo, equals, getDeclaringClass, hashCode, name, ordinal, toString, valueOf</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>finalize, getClass, notify, notifyAll, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
<P>
<!-- ============ ENUM CONSTANT DETAIL =========== -->
<A NAME="enum_constant_detail"><!-- --></A>
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<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Enum Constant Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="Size"><!-- --></A><H3>
Size</H3>
<PRE>
public static final <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> <B>Size</B></PRE>
<DL>
<DD><p>The original size of an image. A handler that supports this option is expected to read the size of the image from the image metadata, and return this size from <a href="QImageIOHandler.html#option(com.trolltech.qt.gui.QImageIOHandler.ImageOption)"><tt>option</tt></a> as a <a href="%2E%2E/core/QSize.html"><tt>QSize</tt></a>.</p>
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="ClipRect"><!-- --></A><H3>
ClipRect</H3>
<PRE>
public static final <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> <B>ClipRect</B></PRE>
<DL>
<DD><p>The clip rect, or ROI (Region Of Interest). A handler that supports this option is expected to only read the provided <a href="%2E%2E/core/QRect.html"><tt>QRect</tt></a> area from the original image in <a href="QImageIOHandler.html#read(com.trolltech.qt.gui.QImage)"><tt>read</tt></a>, before any other transformation is applied.</p>
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="Description"><!-- --></A><H3>
Description</H3>
<PRE>
public static final <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> <B>Description</B></PRE>
<DL>
<DD><p>The image description. Some image formats, such as GIF and PNG, allow embedding of text or comments into the image data (e.g., for storing copyright information). It's common that the text is stored in key-value pairs, but some formats store all text in one continuous block. <a href="QImageIOHandler.html#QImageIOHandler()"><tt>QImageIOHandler</tt></a> returns the text as one <a href="%2E%2E/porting4.html#qstring"><tt>QString</tt></a>, where keys and values are separated by a ':', and keys-value pairs are separated by two newlines (\n\n). For example, "Title: Sunset\n\nAuthor: Jim Smith\nSarah Jones\n\n". Formats that store text in a single block can use "Description" as the key.</p>
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="ScaledClipRect"><!-- --></A><H3>
ScaledClipRect</H3>
<PRE>
public static final <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> <B>ScaledClipRect</B></PRE>
<DL>
<DD><p>The scaled clip rect (or ROI, Region Of Interest) of the image. A handler that supports this option is expected to apply the provided clip rect (a <a href="%2E%2E/core/QRect.html"><tt>QRect</tt></a>), after applying any scaling (ScaleSize) or regular clipping (<a href="QImageIOHandler.html#ImageOption-enum"><tt>ClipRect</tt></a>). If the handler does not support this option, <a href="QImageReader.html"><tt>QImageReader</tt></a> will apply the scaled clip rect after the image has been read.</p>
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="ScaledSize"><!-- --></A><H3>
ScaledSize</H3>
<PRE>
public static final <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> <B>ScaledSize</B></PRE>
<DL>
<DD><p>The scaled size of the image. A handler that supports this option is expected to scale the image to the provided size (a <a href="%2E%2E/core/QSize.html"><tt>QSize</tt></a>), after applying any clip rect transformation (<a href="QImageIOHandler.html#ImageOption-enum"><tt>ClipRect</tt></a>). If the handler does not support this option, <a href="QImageReader.html"><tt>QImageReader</tt></a> will perform the scaling after the image has been read.</p>
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="CompressionRatio"><!-- --></A><H3>
CompressionRatio</H3>
<PRE>
public static final <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> <B>CompressionRatio</B></PRE>
<DL>
<DD><p>The compression ratio of the image data. A handler that supports this option is expected to set its compression rate depending on the value of this option (an int) when writing.</p>
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="Gamma"><!-- --></A><H3>
Gamma</H3>
<PRE>
public static final <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> <B>Gamma</B></PRE>
<DL>
<DD><p>The gamma level of the image. A handler that supports this option is expected to set the image gamma level depending on the value of this option (a float) when writing.</p>
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="Quality"><!-- --></A><H3>
Quality</H3>
<PRE>
public static final <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> <B>Quality</B></PRE>
<DL>
<DD><p>The quality level of the image. A handler that supports this option is expected to set the image quality level depending on the value of this option (an int) when writing.</p>
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="Name"><!-- --></A><H3>
Name</H3>
<PRE>
public static final <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> <B>Name</B></PRE>
<DL>
<DD><p>The name of the image. A handler that supports this option is expected to read the name from the image metadata and return this as a <a href="%2E%2E/porting4.html#qstring"><tt>QString</tt></a>, or when writing an image it is expected to store the name in the image metadata.</p>
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="SubType"><!-- --></A><H3>
SubType</H3>
<PRE>
public static final <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> <B>SubType</B></PRE>
<DL>
<DD><p>The subtype of the image. A handler that supports this option can use the subtype value to help when reading and writing images. For example, a PPM handler may have a subtype value of "ppm" or "ppmraw".</p>
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="IncrementalReading"><!-- --></A><H3>
IncrementalReading</H3>
<PRE>
public static final <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> <B>IncrementalReading</B></PRE>
<DL>
<DD><p>A handler that supports this option is expected to read the image in several passes, as if it was an animation. <a href="QImageReader.html"><tt>QImageReader</tt></a> will treat the image as an animation.</p>
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="Endianness"><!-- --></A><H3>
Endianness</H3>
<PRE>
public static final <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> <B>Endianness</B></PRE>
<DL>
<DD><p>The endianness of the image. Certain image formats can be stored as BigEndian or LittleEndian. A handler that supports Endianness uses the value of this option to determine how the image should be stored.</p>
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="Animation"><!-- --></A><H3>
Animation</H3>
<PRE>
public static final <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> <B>Animation</B></PRE>
<DL>
<DD><p>Image formats that support animation return true for this value in <a href="QImageIOHandler.html#supportsOption(com.trolltech.qt.gui.QImageIOHandler.ImageOption)"><tt>supportsOption</tt></a>; otherwise, false is returned.</p>
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="BackgroundColor"><!-- --></A><H3>
BackgroundColor</H3>
<PRE>
public static final <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> <B>BackgroundColor</B></PRE>
<DL>
<DD><p>Certain image formats allow the background color to be specified. A handler that supports <a href="QImageIOHandler.html#ImageOption-enum"><tt>BackgroundColor</tt></a> initializes the background color to this option (a <a href="QColor.html"><tt>QColor</tt></a>) when reading an image.</p>
<P>
<DL>
</DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail</B></FONT></TH>
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</TABLE>
<A NAME="values()"><!-- --></A><H3>
values</H3>
<PRE>
public static final <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A>[] <B>values</B>()</PRE>
<DL>
<DD>Returns an array containing the constants of this enum type, in
the order they're declared. This method may be used to iterate
over the constants as follows:
<pre>
for(QImageIOHandler.ImageOption c : QImageIOHandler.ImageOption.values())
System.out.println(c);
</pre>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>an array containing the constants of this enum type, in
the order they're declared</DL>
</DD>
</DL>
<HR>
<A NAME="valueOf(java.lang.String)"><!-- --></A><H3>
valueOf</H3>
<PRE>
public static <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> <B>valueOf</B>(java.lang.String name)</PRE>
<DL>
<DD>Returns the enum constant of this type with the specified name.
The string must match <I>exactly</I> an identifier used to declare an
enum constant in this type. (Extraneous whitespace characters are
not permitted.)
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - the name of the enum constant to be returned.
<DT><B>Returns:</B><DD>the enum constant with the specified name
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if this enum type has no constant
with the specified name</DL>
</DD>
</DL>
<HR>
<A NAME="value()"><!-- --></A><H3>
value</H3>
<PRE>
public int <B>value</B>()</PRE>
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<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../com/trolltech/qt/QtEnumerator.html#value()">value</A></CODE> in interface <CODE><A HREF="../../../../com/trolltech/qt/QtEnumerator.html" title="interface in com.trolltech.qt">QtEnumerator</A></CODE></DL>
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<A NAME="resolve(int)"><!-- --></A><H3>
resolve</H3>
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public static <A HREF="../../../../com/trolltech/qt/gui/QImageIOHandler.ImageOption.html" title="enum in com.trolltech.qt.gui">QImageIOHandler.ImageOption</A> <B>resolve</B>(int value)</PRE>
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