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SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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com.sixlegs.png</FONT>
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Class PngConfig.Builder</H2>
<PRE>
<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>com.sixlegs.png.PngConfig.Builder</B>
</PRE>
<DL>
<DT><B>Enclosing class:</B><DD><A HREF="../../../com/sixlegs/png/PngConfig.html" title="class in com.sixlegs.png">PngConfig</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public static final class <B>PngConfig.Builder</B><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></DL>
</PRE>
<P>
Builder class used to construct <A HREF="../../../com/sixlegs/png/PngConfig.html" title="class in com.sixlegs.png"><CODE>PngConfig</CODE></A> instances.
Each "setter" method returns an reference to the instance to enable
chaining multiple calls.
Call <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html#build()"><CODE>build()</CODE></A> to construct a new <code>PngConfig</code> instance
using the current <code>Builder</code> settings. Example:
<pre>PngConfig config = new PngConfig.Builder()
.readLimit(PngConfig.READ_EXCEPT_METADATA)
.warningsFatal(true)
.build();</pre>
<P>
<P>
<HR>
<P>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TD><CODE><B><A HREF="../../../com/sixlegs/png/PngConfig.Builder.html#PngConfig.Builder()">PngConfig.Builder</A></B>()</CODE>
<BR>
Create a new builder using default values.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../com/sixlegs/png/PngConfig.Builder.html#PngConfig.Builder(com.sixlegs.png.PngConfig)">PngConfig.Builder</A></B>(<A HREF="../../../com/sixlegs/png/PngConfig.html" title="class in com.sixlegs.png">PngConfig</A> cfg)</CODE>
<BR>
Create a builder using values from the given configuration.</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> <A HREF="../../../com/sixlegs/png/PngConfig.html" title="class in com.sixlegs.png">PngConfig</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sixlegs/png/PngConfig.Builder.html#build()">build</A></B>()</CODE>
<BR>
Create a configuration using the current values of this builder.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sixlegs/png/PngConfig.Builder.html#convertIndexed(boolean)">convertIndexed</A></B>(boolean convertIndexed)</CODE>
<BR>
Whether to convert images with an indexed color model
(paletted and 1/2/4/8-bit grayscale) to use a component color model.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sixlegs/png/PngConfig.Builder.html#defaultGamma(float)">defaultGamma</A></B>(float defaultGamma)</CODE>
<BR>
Sets the default gamma value.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sixlegs/png/PngConfig.Builder.html#displayExponent(float)">displayExponent</A></B>(float displayExponent)</CODE>
<BR>
Sets the default display exponent.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sixlegs/png/PngConfig.Builder.html#gammaCorrect(boolean)">gammaCorrect</A></B>(boolean gammaCorrect)</CODE>
<BR>
Enables or disables gamma correction.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sixlegs/png/PngConfig.Builder.html#progressive(boolean)">progressive</A></B>(boolean progressive)</CODE>
<BR>
Enables or disables progressive display for interlaced images.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sixlegs/png/PngConfig.Builder.html#readLimit(int)">readLimit</A></B>(int readLimit)</CODE>
<BR>
Configures how much of the image to read.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sixlegs/png/PngConfig.Builder.html#reduce16(boolean)">reduce16</A></B>(boolean reduce16)</CODE>
<BR>
Enables or disables 16-bit reduction.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sixlegs/png/PngConfig.Builder.html#sourceRegion(java.awt.Rectangle)">sourceRegion</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/awt/Rectangle.html" title="class or interface in java.awt">Rectangle</A> sourceRegion)</CODE>
<BR>
Decode only a particular region of the source image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sixlegs/png/PngConfig.Builder.html#sourceSubsampling(int, int, int, int)">sourceSubsampling</A></B>(int xsub,
int ysub,
int xoff,
int yoff)</CODE>
<BR>
Reduce the size of the decoded image (or source region) by only using
periodic rows and/or columns of the image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sixlegs/png/PngConfig.Builder.html#warningsFatal(boolean)">warningsFatal</A></B>(boolean warningsFatal)</CODE>
<BR>
Configures whether warnings should be treated as fatal errors.</TD>
</TR>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
</TR>
</TABLE>
<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<B>Constructor Detail</B></FONT></TH>
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</TABLE>
<A NAME="PngConfig.Builder()"><!-- --></A><H3>
PngConfig.Builder</H3>
<PRE>
public <B>PngConfig.Builder</B>()</PRE>
<DL>
<DD>Create a new builder using default values.
<P>
</DL>
<HR>
<A NAME="PngConfig.Builder(com.sixlegs.png.PngConfig)"><!-- --></A><H3>
PngConfig.Builder</H3>
<PRE>
public <B>PngConfig.Builder</B>(<A HREF="../../../com/sixlegs/png/PngConfig.html" title="class in com.sixlegs.png">PngConfig</A> cfg)</PRE>
<DL>
<DD>Create a builder using values from the given configuration.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>cfg</CODE> - the configuration to copy</DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="build()"><!-- --></A><H3>
build</H3>
<PRE>
public <A HREF="../../../com/sixlegs/png/PngConfig.html" title="class in com.sixlegs.png">PngConfig</A> <B>build</B>()</PRE>
<DL>
<DD>Create a configuration using the current values of this builder.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="reduce16(boolean)"><!-- --></A><H3>
reduce16</H3>
<PRE>
public <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A> <B>reduce16</B>(boolean reduce16)</PRE>
<DL>
<DD>Enables or disables 16-bit reduction. If enabled, 16-bit samples are reduced to 8-bit samples by
shifting to the right by 8 bits. Default is <i>true</i>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>reduce16</CODE> - enable 16-bit reduction</DL>
</DD>
</DL>
<HR>
<A NAME="defaultGamma(float)"><!-- --></A><H3>
defaultGamma</H3>
<PRE>
public <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A> <B>defaultGamma</B>(float defaultGamma)</PRE>
<DL>
<DD>Sets the default gamma value. This value is used unless the image
contains an explicit gamma value. Initial value is <i>1/45455</i>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>defaultGamma</CODE> - the default gamma value</DL>
</DD>
</DL>
<HR>
<A NAME="displayExponent(float)"><!-- --></A><H3>
displayExponent</H3>
<PRE>
public <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A> <B>displayExponent</B>(float displayExponent)</PRE>
<DL>
<DD>Sets the default display exponent. The proper setting depends on monitor and OS gamma lookup
table settings, if any. The default value of <i>2.2</i> should
work well with most PC displays. If the operating system has
a gamma lookup table (e.g. Macintosh) the display exponent should be lower.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>displayExponent</CODE> - the display exponent</DL>
</DD>
</DL>
<HR>
<A NAME="gammaCorrect(boolean)"><!-- --></A><H3>
gammaCorrect</H3>
<PRE>
public <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A> <B>gammaCorrect</B>(boolean gammaCorrect)</PRE>
<DL>
<DD>Enables or disables gamma correction. If enabled, decoded images will be gamma corrected.
Sets to false if your application will perform gamma correctly manually.
Default is <i>true</i>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>gammaCorrect</CODE> - use gamma correction<DT><B>See Also:</B><DD><A HREF="../../../com/sixlegs/png/PngImage.html#getGamma()"><CODE>PngImage.getGamma()</CODE></A>,
<A HREF="../../../com/sixlegs/png/PngImage.html#getGammaTable()"><CODE>PngImage.getGammaTable()</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="progressive(boolean)"><!-- --></A><H3>
progressive</H3>
<PRE>
public <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A> <B>progressive</B>(boolean progressive)</PRE>
<DL>
<DD>Enables or disables progressive display for interlaced images.
If enabled, each received pixel is expanded (replicated) to fill a rectangle
covering the yet-to-be-transmitted pixel positions below and to the right
of the received pixel. This produces a "fade-in" effect as the new image
gradually replaces the old, at the cost of some additional processing time.
Default is <i>false</i>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>progressive</CODE> - use progressive display<DT><B>See Also:</B><DD><A HREF="../../../com/sixlegs/png/PngImage.html#handlePass(java.awt.image.BufferedImage, int)"><CODE>PngImage.handlePass(java.awt.image.BufferedImage, int)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="readLimit(int)"><!-- --></A><H3>
readLimit</H3>
<PRE>
public <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A> <B>readLimit</B>(int readLimit)</PRE>
<DL>
<DD>Configures how much of the image to read. Useful when one is interested
in only a portion of the image metadata, and would like to avoid
reading and/or decoding the actual image data.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>readLimit</CODE> - <A HREF="../../../com/sixlegs/png/PngConfig.html#READ_ALL"><CODE>READ_ALL</CODE></A>,<br>
<A HREF="../../../com/sixlegs/png/PngConfig.html#READ_HEADER"><CODE>READ_HEADER</CODE></A>,<br>
<A HREF="../../../com/sixlegs/png/PngConfig.html#READ_UNTIL_DATA"><CODE>READ_UNTIL_DATA</CODE></A>,<br>
<A HREF="../../../com/sixlegs/png/PngConfig.html#READ_EXCEPT_DATA"><CODE>READ_EXCEPT_DATA</CODE></A>,<br>
or <A HREF="../../../com/sixlegs/png/PngConfig.html#READ_EXCEPT_METADATA"><CODE>READ_EXCEPT_METADATA</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="warningsFatal(boolean)"><!-- --></A><H3>
warningsFatal</H3>
<PRE>
public <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A> <B>warningsFatal</B>(boolean warningsFatal)</PRE>
<DL>
<DD>Configures whether warnings should be treated as fatal errors.
All non-fatal <A HREF="../../../com/sixlegs/png/PngException.html" title="class in com.sixlegs.png"><CODE>PngException</CODE></A> exceptions are caught and passed to the <A HREF="../../../com/sixlegs/png/PngImage.html#handleWarning(com.sixlegs.png.PngException)"><CODE>PngImage.handleWarning(com.sixlegs.png.PngException)</CODE></A>
method. If warnings are configured as fatal, that method will re-throw the
exception, which will abort image processing. Default is <i>false</i>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>warningsFatal</CODE> - true if warnings should be treated as fatal errors<DT><B>See Also:</B><DD><A HREF="../../../com/sixlegs/png/PngImage.html#handleWarning(com.sixlegs.png.PngException)"><CODE>PngImage.handleWarning(com.sixlegs.png.PngException)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="sourceRegion(java.awt.Rectangle)"><!-- --></A><H3>
sourceRegion</H3>
<PRE>
public <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A> <B>sourceRegion</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/awt/Rectangle.html" title="class or interface in java.awt">Rectangle</A> sourceRegion)</PRE>
<DL>
<DD>Decode only a particular region of the source image. See the equivalent
<A HREF="http://java.sun.com/javase/6/docs/api/javax/imageio/IIOParam.html#setSourceRegion" title="class or interface in javax.imageio">ImageIO method</A>
for full documentation.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="sourceSubsampling(int, int, int, int)"><!-- --></A><H3>
sourceSubsampling</H3>
<PRE>
public <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A> <B>sourceSubsampling</B>(int xsub,
int ysub,
int xoff,
int yoff)</PRE>
<DL>
<DD>Reduce the size of the decoded image (or source region) by only using
periodic rows and/or columns of the image. See the equivalent
<A HREF="http://java.sun.com/javase/6/docs/api/javax/imageio/IIOParam.html#setSourceSubsampling" title="class or interface in javax.imageio">ImageIO method</A>
for full documentation.
<P>
<DD><DL>
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<A NAME="convertIndexed(boolean)"><!-- --></A><H3>
convertIndexed</H3>
<PRE>
public <A HREF="../../../com/sixlegs/png/PngConfig.Builder.html" title="class in com.sixlegs.png">PngConfig.Builder</A> <B>convertIndexed</B>(boolean convertIndexed)</PRE>
<DL>
<DD>Whether to convert images with an indexed color model
(paletted and 1/2/4/8-bit grayscale) to use a component color model.
<P>
<DD><DL>
</DL>
</DD>
</DL>
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