2b910d60be
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1176 632fc199-4ca6-4c93-a231-07263d6284db
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TJDecompressor
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<A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg"><B>PREV CLASS</B></A>
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org.libjpegturbo.turbojpeg</FONT>
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Class TJDecompressor</H2>
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<PRE>
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java.lang.Object
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<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.libjpegturbo.turbojpeg.TJDecompressor</B>
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</PRE>
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<DL>
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<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg">TJTransformer</A></DD>
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</DL>
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<HR>
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<DL>
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<DT><PRE>public class <B>TJDecompressor</B><DT>extends java.lang.Object</DL>
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</PRE>
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<P>
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TurboJPEG decompressor
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<P>
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<P>
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<HR>
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<P>
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<!-- =========== FIELD SUMMARY =========== -->
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<A NAME="field_summary"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
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<B>Field Summary</B></FONT></TH>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected long</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#handle">handle</A></B></CODE>
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<BR>
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</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected byte[]</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegBuf">jpegBuf</A></B></CODE>
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<BR>
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</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegBufSize">jpegBufSize</A></B></CODE>
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<BR>
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</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#srcColorspace">srcColorspace</A></B></CODE>
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<BR>
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</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#srcHeight">srcHeight</A></B></CODE>
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<BR>
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</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#srcSubsamp">srcSubsamp</A></B></CODE>
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<BR>
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</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#srcWidth">srcWidth</A></B></CODE>
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<BR>
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</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected <A HREF="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</A></CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#yuvImage">yuvImage</A></B></CODE>
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<BR>
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</TD>
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</TR>
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</TABLE>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<A NAME="constructor_summary"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
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<B>Constructor Summary</B></FONT></TH>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#TJDecompressor()">TJDecompressor</A></B>()</CODE>
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<BR>
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Create a TurboJPEG decompresssor instance.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#TJDecompressor(byte[])">TJDecompressor</A></B>(byte[] jpegImage)</CODE>
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<BR>
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Create a TurboJPEG decompressor instance and associate the JPEG source
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image stored in <code>jpegImage</code> with the newly created instance.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#TJDecompressor(byte[], int)">TJDecompressor</A></B>(byte[] jpegImage,
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int imageSize)</CODE>
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<BR>
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Create a TurboJPEG decompressor instance and associate the JPEG source
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image of length <code>imageSize</code> bytes stored in
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<code>jpegImage</code> with the newly created instance.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#TJDecompressor(org.libjpegturbo.turbojpeg.YUVImage)">TJDecompressor</A></B>(<A HREF="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</A> yuvImage)</CODE>
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<BR>
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Create a TurboJPEG decompressor instance and associate the YUV planar
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source image stored in <code>yuvImage</code> with the newly created
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instance.</TD>
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</TR>
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</TABLE>
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<!-- ========== METHOD SUMMARY =========== -->
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<A NAME="method_summary"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
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<B>Method Summary</B></FONT></TH>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#close()">close</A></B>()</CODE>
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<BR>
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Free the native structures associated with this decompressor instance.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(java.awt.image.BufferedImage, int)">decompress</A></B>(java.awt.image.BufferedImage dstImage,
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int flags)</CODE>
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<BR>
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Decompress the JPEG source image or decode the YUV source image associated
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with this decompressor instance and output a decompressed/decoded image to
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the given <code>BufferedImage</code> instance.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int)">decompress</A></B>(byte[] dstBuf,
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int desiredWidth,
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int pitch,
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int desiredHeight,
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int pixelFormat,
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int flags)</CODE>
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<BR>
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<B>Deprecated.</B> <I>Use
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<A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int, int, int)"><CODE>decompress(byte[], int, int, int, int, int, int, int)</CODE></A> instead.</I></TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int, int, int)">decompress</A></B>(byte[] dstBuf,
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int x,
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int y,
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int desiredWidth,
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int pitch,
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int desiredHeight,
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int pixelFormat,
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int flags)</CODE>
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<BR>
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Decompress the JPEG source image or decode the YUV source image associated
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with this decompressor instance and output a grayscale, RGB, or CMYK image
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to the given destination buffer.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int[], int, int, int, int, int, int, int)">decompress</A></B>(int[] dstBuf,
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int x,
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int y,
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int desiredWidth,
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int stride,
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int desiredHeight,
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int pixelFormat,
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int flags)</CODE>
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<BR>
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Decompress the JPEG source image or decode the YUV source image associated
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with this decompressor instance and output a grayscale, RGB, or CMYK image
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to the given destination buffer.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> java.awt.image.BufferedImage</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int, int, int, int)">decompress</A></B>(int desiredWidth,
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int desiredHeight,
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int bufferedImageType,
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int flags)</CODE>
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<BR>
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Decompress the JPEG source image or decode the YUV source image associated
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with this decompressor instance and return a <code>BufferedImage</code>
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instance containing the decompressed/decoded image.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> byte[]</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int, int, int, int, int)">decompress</A></B>(int desiredWidth,
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int pitch,
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int desiredHeight,
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int pixelFormat,
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int flags)</CODE>
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<BR>
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Decompress the JPEG source image associated with this decompressor
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instance and return a buffer containing the decompressed image.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(byte[], int)">decompressToYUV</A></B>(byte[] dstBuf,
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int flags)</CODE>
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<BR>
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<B>Deprecated.</B> <I>Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(org.libjpegturbo.turbojpeg.YUVImage, int)"><CODE>decompressToYUV(YUVImage, int)</CODE></A> instead.</I></TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> byte[]</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(int)">decompressToYUV</A></B>(int flags)</CODE>
|
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<BR>
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<B>Deprecated.</B> <I>Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(int, int, int, int)"><CODE>decompressToYUV(int, int, int, int)</CODE></A> instead.</I></TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> <A HREF="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</A></CODE></FONT></TD>
|
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(int, int, int, int)">decompressToYUV</A></B>(int desiredWidth,
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int pad,
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int desiredHeight,
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int flags)</CODE>
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<BR>
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Decompress the JPEG source image associated with this decompressor
|
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instance into a YUV planar image and return a <code>YUVImage</code>
|
|
instance containing the decompressed image.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(org.libjpegturbo.turbojpeg.YUVImage, int)">decompressToYUV</A></B>(<A HREF="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</A> dstImage,
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int flags)</CODE>
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<BR>
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Decompress the JPEG source image associated with this decompressor
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instance into a YUV planar image and store it in the given
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<code>YUVImage</code> instance.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#finalize()">finalize</A></B>()</CODE>
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<BR>
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</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getColorspace()">getColorspace</A></B>()</CODE>
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<BR>
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Returns the colorspace used in the source image (JPEG or YUV) associated
|
|
with this decompressor instance.</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="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getHeight()">getHeight</A></B>()</CODE>
|
|
|
|
<BR>
|
|
Returns the height of the source image (JPEG or YUV) associated with this
|
|
decompressor instance.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> byte[]</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getJPEGBuf()">getJPEGBuf</A></B>()</CODE>
|
|
|
|
<BR>
|
|
<B>Deprecated.</B> <I>Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getSourceBuf()"><CODE>getSourceBuf()</CODE></A> instead.</I></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="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getJPEGSize()">getJPEGSize</A></B>()</CODE>
|
|
|
|
<BR>
|
|
<B>Deprecated.</B> <I>Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getSourceSize()"><CODE>getSourceSize()</CODE></A> instead.</I></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="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledHeight(int, int)">getScaledHeight</A></B>(int desiredWidth,
|
|
int desiredHeight)</CODE>
|
|
|
|
<BR>
|
|
Returns the height of the largest scaled-down image that the TurboJPEG
|
|
decompressor can generate without exceeding the desired image width and
|
|
height.</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="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledWidth(int, int)">getScaledWidth</A></B>(int desiredWidth,
|
|
int desiredHeight)</CODE>
|
|
|
|
<BR>
|
|
Returns the width of the largest scaled-down image that the TurboJPEG
|
|
decompressor can generate without exceeding the desired image width and
|
|
height.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> byte[]</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getSourceBuf()">getSourceBuf</A></B>()</CODE>
|
|
|
|
<BR>
|
|
Returns the source image buffer associated with this decompressor
|
|
instance.</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="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getSourceSize()">getSourceSize</A></B>()</CODE>
|
|
|
|
<BR>
|
|
Returns the size of the source image (in bytes) associated with this
|
|
decompressor instance.</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="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getSubsamp()">getSubsamp</A></B>()</CODE>
|
|
|
|
<BR>
|
|
Returns the level of chrominance subsampling used in the source image
|
|
(JPEG or YUV) associated with this decompressor instance.</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="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getWidth()">getWidth</A></B>()</CODE>
|
|
|
|
<BR>
|
|
Returns the width of the source image (JPEG or YUV) associated with this
|
|
decompressor instance.</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="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#setJPEGImage(byte[], int)">setJPEGImage</A></B>(byte[] jpegImage,
|
|
int imageSize)</CODE>
|
|
|
|
<BR>
|
|
<B>Deprecated.</B> <I>Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#setSourceImage(byte[], int)"><CODE>setSourceImage(byte[], int)</CODE></A> instead.</I></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="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#setSourceImage(byte[], int)">setSourceImage</A></B>(byte[] srcImage,
|
|
int imageSize)</CODE>
|
|
|
|
<BR>
|
|
Associate the JPEG image of length <code>imageSize</code> bytes stored in
|
|
<code>srcImage</code> with this decompressor instance.</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="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#setSourceImage(org.libjpegturbo.turbojpeg.YUVImage)">setSourceImage</A></B>(<A HREF="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</A> srcImage)</CODE>
|
|
|
|
<BR>
|
|
Associate the specified YUV planar source image with this decompressor
|
|
instance.</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>
|
|
|
|
<P>
|
|
|
|
<!-- ============ FIELD DETAIL =========== -->
|
|
|
|
<A NAME="field_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>Field Detail</B></FONT></TH>
|
|
</TR>
|
|
</TABLE>
|
|
|
|
<A NAME="handle"><!-- --></A><H3>
|
|
handle</H3>
|
|
<PRE>
|
|
protected long <B>handle</B></PRE>
|
|
<DL>
|
|
<DL>
|
|
</DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="jpegBuf"><!-- --></A><H3>
|
|
jpegBuf</H3>
|
|
<PRE>
|
|
protected byte[] <B>jpegBuf</B></PRE>
|
|
<DL>
|
|
<DL>
|
|
</DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="jpegBufSize"><!-- --></A><H3>
|
|
jpegBufSize</H3>
|
|
<PRE>
|
|
protected int <B>jpegBufSize</B></PRE>
|
|
<DL>
|
|
<DL>
|
|
</DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="yuvImage"><!-- --></A><H3>
|
|
yuvImage</H3>
|
|
<PRE>
|
|
protected <A HREF="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</A> <B>yuvImage</B></PRE>
|
|
<DL>
|
|
<DL>
|
|
</DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="srcWidth"><!-- --></A><H3>
|
|
srcWidth</H3>
|
|
<PRE>
|
|
protected int <B>srcWidth</B></PRE>
|
|
<DL>
|
|
<DL>
|
|
</DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="srcHeight"><!-- --></A><H3>
|
|
srcHeight</H3>
|
|
<PRE>
|
|
protected int <B>srcHeight</B></PRE>
|
|
<DL>
|
|
<DL>
|
|
</DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="srcSubsamp"><!-- --></A><H3>
|
|
srcSubsamp</H3>
|
|
<PRE>
|
|
protected int <B>srcSubsamp</B></PRE>
|
|
<DL>
|
|
<DL>
|
|
</DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="srcColorspace"><!-- --></A><H3>
|
|
srcColorspace</H3>
|
|
<PRE>
|
|
protected int <B>srcColorspace</B></PRE>
|
|
<DL>
|
|
<DL>
|
|
</DL>
|
|
</DL>
|
|
|
|
<!-- ========= 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="TJDecompressor()"><!-- --></A><H3>
|
|
TJDecompressor</H3>
|
|
<PRE>
|
|
public <B>TJDecompressor</B>()
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Create a TurboJPEG decompresssor instance.
|
|
<P>
|
|
<DL>
|
|
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="TJDecompressor(byte[])"><!-- --></A><H3>
|
|
TJDecompressor</H3>
|
|
<PRE>
|
|
public <B>TJDecompressor</B>(byte[] jpegImage)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Create a TurboJPEG decompressor instance and associate the JPEG source
|
|
image stored in <code>jpegImage</code> with the newly created instance.
|
|
<P>
|
|
<DL>
|
|
<DT><B>Parameters:</B><DD><CODE>jpegImage</CODE> - JPEG image buffer (size of the JPEG image is assumed to
|
|
be the length of the array)
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="TJDecompressor(byte[], int)"><!-- --></A><H3>
|
|
TJDecompressor</H3>
|
|
<PRE>
|
|
public <B>TJDecompressor</B>(byte[] jpegImage,
|
|
int imageSize)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Create a TurboJPEG decompressor instance and associate the JPEG source
|
|
image of length <code>imageSize</code> bytes stored in
|
|
<code>jpegImage</code> with the newly created instance.
|
|
<P>
|
|
<DL>
|
|
<DT><B>Parameters:</B><DD><CODE>jpegImage</CODE> - JPEG image buffer<DD><CODE>imageSize</CODE> - size of the JPEG image (in bytes)
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="TJDecompressor(org.libjpegturbo.turbojpeg.YUVImage)"><!-- --></A><H3>
|
|
TJDecompressor</H3>
|
|
<PRE>
|
|
public <B>TJDecompressor</B>(<A HREF="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</A> yuvImage)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Create a TurboJPEG decompressor instance and associate the YUV planar
|
|
source image stored in <code>yuvImage</code> with the newly created
|
|
instance.
|
|
<P>
|
|
<DL>
|
|
<DT><B>Parameters:</B><DD><CODE>yuvImage</CODE> - <A HREF="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><CODE>YUVImage</CODE></A> instance containing a YUV planar
|
|
image to be decoded
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</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="setSourceImage(byte[], int)"><!-- --></A><H3>
|
|
setSourceImage</H3>
|
|
<PRE>
|
|
public void <B>setSourceImage</B>(byte[] srcImage,
|
|
int imageSize)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Associate the JPEG image of length <code>imageSize</code> bytes stored in
|
|
<code>srcImage</code> with this decompressor instance. This image will
|
|
be used as the source image for subsequent decompress operations.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - JPEG image buffer<DD><CODE>imageSize</CODE> - size of the JPEG image (in bytes)
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="setJPEGImage(byte[], int)"><!-- --></A><H3>
|
|
setJPEGImage</H3>
|
|
<PRE>
|
|
<FONT SIZE="-1">@Deprecated
|
|
</FONT>public void <B>setJPEGImage</B>(byte[] jpegImage,
|
|
int imageSize)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD><B>Deprecated.</B> <I>Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#setSourceImage(byte[], int)"><CODE>setSourceImage(byte[], int)</CODE></A> instead.</I>
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="setSourceImage(org.libjpegturbo.turbojpeg.YUVImage)"><!-- --></A><H3>
|
|
setSourceImage</H3>
|
|
<PRE>
|
|
public void <B>setSourceImage</B>(<A HREF="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</A> srcImage)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Associate the specified YUV planar source image with this decompressor
|
|
instance. Subsequent decompress operations will decode this image into an
|
|
RGB or grayscale destination image.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - <A HREF="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><CODE>YUVImage</CODE></A> instance containing a YUV planar image to
|
|
be decoded
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="getWidth()"><!-- --></A><H3>
|
|
getWidth</H3>
|
|
<PRE>
|
|
public int <B>getWidth</B>()
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Returns the width of the source image (JPEG or YUV) associated with this
|
|
decompressor instance.
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Returns:</B><DD>the width of the source image (JPEG or YUV) associated with this
|
|
decompressor instance
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="getHeight()"><!-- --></A><H3>
|
|
getHeight</H3>
|
|
<PRE>
|
|
public int <B>getHeight</B>()
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Returns the height of the source image (JPEG or YUV) associated with this
|
|
decompressor instance.
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Returns:</B><DD>the height of the source image (JPEG or YUV) associated with this
|
|
decompressor instance
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="getSubsamp()"><!-- --></A><H3>
|
|
getSubsamp</H3>
|
|
<PRE>
|
|
public int <B>getSubsamp</B>()
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Returns the level of chrominance subsampling used in the source image
|
|
(JPEG or YUV) associated with this decompressor instance. See
|
|
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_444"><CODE>TJ.SAMP_*</CODE></A>.
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Returns:</B><DD>the level of chrominance subsampling used in the source image
|
|
(JPEG or YUV) associated with this decompressor instance
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="getColorspace()"><!-- --></A><H3>
|
|
getColorspace</H3>
|
|
<PRE>
|
|
public int <B>getColorspace</B>()
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Returns the colorspace used in the source image (JPEG or YUV) associated
|
|
with this decompressor instance. See <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#CS_RGB"><CODE>TJ.CS_*</CODE></A>. If the
|
|
source image is YUV, then this always returns <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#CS_YCbCr"><CODE>TJ.CS_YCbCr</CODE></A>.
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Returns:</B><DD>the colorspace used in the source image (JPEG or YUV) associated
|
|
with this decompressor instance
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="getSourceBuf()"><!-- --></A><H3>
|
|
getSourceBuf</H3>
|
|
<PRE>
|
|
public byte[] <B>getSourceBuf</B>()
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Returns the source image buffer associated with this decompressor
|
|
instance.
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Returns:</B><DD>the source image buffer associated with this decompressor instance
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="getJPEGBuf()"><!-- --></A><H3>
|
|
getJPEGBuf</H3>
|
|
<PRE>
|
|
<FONT SIZE="-1">@Deprecated
|
|
</FONT>public byte[] <B>getJPEGBuf</B>()
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD><B>Deprecated.</B> <I>Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getSourceBuf()"><CODE>getSourceBuf()</CODE></A> instead.</I>
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="getSourceSize()"><!-- --></A><H3>
|
|
getSourceSize</H3>
|
|
<PRE>
|
|
public int <B>getSourceSize</B>()
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Returns the size of the source image (in bytes) associated with this
|
|
decompressor instance.
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Returns:</B><DD>the size of the source image (in bytes) associated with this
|
|
decompressor instance
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="getJPEGSize()"><!-- --></A><H3>
|
|
getJPEGSize</H3>
|
|
<PRE>
|
|
<FONT SIZE="-1">@Deprecated
|
|
</FONT>public int <B>getJPEGSize</B>()
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD><B>Deprecated.</B> <I>Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getSourceSize()"><CODE>getSourceSize()</CODE></A> instead.</I>
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="getScaledWidth(int, int)"><!-- --></A><H3>
|
|
getScaledWidth</H3>
|
|
<PRE>
|
|
public int <B>getScaledWidth</B>(int desiredWidth,
|
|
int desiredHeight)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Returns the width of the largest scaled-down image that the TurboJPEG
|
|
decompressor can generate without exceeding the desired image width and
|
|
height.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>desiredWidth</CODE> - desired width (in pixels) of the decompressed image.
|
|
Setting this to 0 is the same as setting it to the width of the JPEG image
|
|
(in other words, the width will not be considered when determining the
|
|
scaled image size.)<DD><CODE>desiredHeight</CODE> - desired height (in pixels) of the decompressed image.
|
|
Setting this to 0 is the same as setting it to the height of the JPEG
|
|
image (in other words, the height will not be considered when determining
|
|
the scaled image size.)
|
|
<DT><B>Returns:</B><DD>the width of the largest scaled-down image that the TurboJPEG
|
|
decompressor can generate without exceeding the desired image width and
|
|
height
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="getScaledHeight(int, int)"><!-- --></A><H3>
|
|
getScaledHeight</H3>
|
|
<PRE>
|
|
public int <B>getScaledHeight</B>(int desiredWidth,
|
|
int desiredHeight)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Returns the height of the largest scaled-down image that the TurboJPEG
|
|
decompressor can generate without exceeding the desired image width and
|
|
height.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>desiredWidth</CODE> - desired width (in pixels) of the decompressed image.
|
|
Setting this to 0 is the same as setting it to the width of the JPEG image
|
|
(in other words, the width will not be considered when determining the
|
|
scaled image size.)<DD><CODE>desiredHeight</CODE> - desired height (in pixels) of the decompressed image.
|
|
Setting this to 0 is the same as setting it to the height of the JPEG
|
|
image (in other words, the height will not be considered when determining
|
|
the scaled image size.)
|
|
<DT><B>Returns:</B><DD>the height of the largest scaled-down image that the TurboJPEG
|
|
decompressor can generate without exceeding the desired image width and
|
|
height
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="decompress(byte[], int, int, int, int, int, int, int)"><!-- --></A><H3>
|
|
decompress</H3>
|
|
<PRE>
|
|
public void <B>decompress</B>(byte[] dstBuf,
|
|
int x,
|
|
int y,
|
|
int desiredWidth,
|
|
int pitch,
|
|
int desiredHeight,
|
|
int pixelFormat,
|
|
int flags)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Decompress the JPEG source image or decode the YUV source image associated
|
|
with this decompressor instance and output a grayscale, RGB, or CMYK image
|
|
to the given destination buffer.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>dstBuf</CODE> - buffer that will receive the decompressed/decoded image.
|
|
If the source image is a JPEG image, then this buffer should normally be
|
|
<code>pitch * scaledHeight</code> bytes in size, where
|
|
<code>scaledHeight</code> can be determined by calling <code>
|
|
scalingFactor.<A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getScaled(int)"><CODE>getScaled</CODE></A>(jpegHeight)
|
|
</code> with one of the scaling factors returned from <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#getScalingFactors()"><CODE>TJ.getScalingFactors()</CODE></A> or by calling <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledHeight(int, int)"><CODE>getScaledHeight(int, int)</CODE></A>. If the
|
|
source image is a YUV image, then this buffer should normally be
|
|
<code>pitch * height</code> bytes in size, where <code>height</code> is
|
|
the height of the YUV image. However, the buffer may also be larger than
|
|
the dimensions of the source image, in which case the <code>x</code>,
|
|
<code>y</code>, and <code>pitch</code> parameters can be used to specify
|
|
the region into which the source image should be decompressed/decoded.<DD><CODE>x</CODE> - x offset (in pixels) of the region in the destination image into
|
|
which the source image should be decompressed/decoded<DD><CODE>y</CODE> - y offset (in pixels) of the region in the destination image into
|
|
which the source image should be decompressed/decoded<DD><CODE>desiredWidth</CODE> - If the source image is a JPEG image, then this
|
|
specifies the desired width (in pixels) of the decompressed image (or
|
|
image region.) If the desired destination image dimensions are different
|
|
than the source image dimensions, then TurboJPEG will use scaling in the
|
|
JPEG decompressor to generate the largest possible image that will fit
|
|
within the desired dimensions. Setting this to 0 is the same as setting
|
|
it to the width of the JPEG image (in other words, the width will not be
|
|
considered when determining the scaled image size.) This parameter is
|
|
ignored if the source image is a YUV image.<DD><CODE>pitch</CODE> - bytes per line of the destination image. Normally, this
|
|
should be set to <code>scaledWidth * TJ.pixelSize(pixelFormat)</code> if
|
|
the destination image is unpadded, but you can use this to, for instance,
|
|
pad each line of the destination image to a 4-byte boundary or to
|
|
decompress/decode the source image into a region of a larger image. NOTE:
|
|
if the source image is a JPEG image, then <code>scaledWidth</code> can be
|
|
determined by calling <code>
|
|
scalingFactor.<A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getScaled(int)"><CODE>getScaled</CODE></A>(jpegWidth)
|
|
</code> or by calling <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledWidth(int, int)"><CODE>getScaledWidth(int, int)</CODE></A>. If the source image is a
|
|
YUV image, then <code>scaledWidth</code> is the width of the YUV image.
|
|
Setting this parameter to 0 is the equivalent of setting it to
|
|
<code>scaledWidth * TJ.pixelSize(pixelFormat)</code>.<DD><CODE>desiredHeight</CODE> - If the source image is a JPEG image, then this
|
|
specifies the desired height (in pixels) of the decompressed image (or
|
|
image region.) If the desired destination image dimensions are different
|
|
than the source image dimensions, then TurboJPEG will use scaling in the
|
|
JPEG decompressor to generate the largest possible image that will fit
|
|
within the desired dimensions. Setting this to 0 is the same as setting
|
|
it to the height of the JPEG image (in other words, the height will not be
|
|
considered when determining the scaled image size.) This parameter is
|
|
ignored if the source image is a YUV image.<DD><CODE>pixelFormat</CODE> - pixel format of the decompressed/decoded image (one of
|
|
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_RGB"><CODE>TJ.PF_*</CODE></A>)<DD><CODE>flags</CODE> - the bitwise OR of one or more of
|
|
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><CODE>TJ.FLAG_*</CODE></A>
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="decompress(byte[], int, int, int, int, int)"><!-- --></A><H3>
|
|
decompress</H3>
|
|
<PRE>
|
|
<FONT SIZE="-1">@Deprecated
|
|
</FONT>public void <B>decompress</B>(byte[] dstBuf,
|
|
int desiredWidth,
|
|
int pitch,
|
|
int desiredHeight,
|
|
int pixelFormat,
|
|
int flags)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD><B>Deprecated.</B> <I>Use
|
|
<A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int, int, int)"><CODE>decompress(byte[], int, int, int, int, int, int, int)</CODE></A> instead.</I>
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="decompress(int, int, int, int, int)"><!-- --></A><H3>
|
|
decompress</H3>
|
|
<PRE>
|
|
public byte[] <B>decompress</B>(int desiredWidth,
|
|
int pitch,
|
|
int desiredHeight,
|
|
int pixelFormat,
|
|
int flags)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Decompress the JPEG source image associated with this decompressor
|
|
instance and return a buffer containing the decompressed image.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>desiredWidth</CODE> - see
|
|
<A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int, int, int)"><CODE>decompress(byte[], int, int, int, int, int, int, int)</CODE></A>
|
|
for description<DD><CODE>pitch</CODE> - see
|
|
<A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int, int, int)"><CODE>decompress(byte[], int, int, int, int, int, int, int)</CODE></A>
|
|
for description<DD><CODE>desiredHeight</CODE> - see
|
|
<A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int, int, int)"><CODE>decompress(byte[], int, int, int, int, int, int, int)</CODE></A>
|
|
for description<DD><CODE>pixelFormat</CODE> - pixel format of the decompressed image (one of
|
|
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_RGB"><CODE>TJ.PF_*</CODE></A>)<DD><CODE>flags</CODE> - the bitwise OR of one or more of
|
|
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><CODE>TJ.FLAG_*</CODE></A>
|
|
<DT><B>Returns:</B><DD>a buffer containing the decompressed image
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="decompressToYUV(org.libjpegturbo.turbojpeg.YUVImage, int)"><!-- --></A><H3>
|
|
decompressToYUV</H3>
|
|
<PRE>
|
|
public void <B>decompressToYUV</B>(<A HREF="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</A> dstImage,
|
|
int flags)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Decompress the JPEG source image associated with this decompressor
|
|
instance into a YUV planar image and store it in the given
|
|
<code>YUVImage</code> instance. This method performs JPEG decompression
|
|
but leaves out the color conversion step, so a planar YUV image is
|
|
generated instead of an RGB or grayscale image. This method cannot be
|
|
used to decompress JPEG source images with the CMYK or YCCK colorspace.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>dstImage</CODE> - <A HREF="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><CODE>YUVImage</CODE></A> instance that will receive the YUV planar
|
|
image. The level of subsampling specified in this <code>YUVImage</code>
|
|
instance must match that of the JPEG image, and the width and height
|
|
specified in the <code>YUVImage</code> instance must match one of the
|
|
scaled image sizes that TurboJPEG is capable of generating from the JPEG
|
|
source image.<DD><CODE>flags</CODE> - the bitwise OR of one or more of
|
|
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><CODE>TJ.FLAG_*</CODE></A>
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="decompressToYUV(byte[], int)"><!-- --></A><H3>
|
|
decompressToYUV</H3>
|
|
<PRE>
|
|
<FONT SIZE="-1">@Deprecated
|
|
</FONT>public void <B>decompressToYUV</B>(byte[] dstBuf,
|
|
int flags)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD><B>Deprecated.</B> <I>Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(org.libjpegturbo.turbojpeg.YUVImage, int)"><CODE>decompressToYUV(YUVImage, int)</CODE></A> instead.</I>
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="decompressToYUV(int, int, int, int)"><!-- --></A><H3>
|
|
decompressToYUV</H3>
|
|
<PRE>
|
|
public <A HREF="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</A> <B>decompressToYUV</B>(int desiredWidth,
|
|
int pad,
|
|
int desiredHeight,
|
|
int flags)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Decompress the JPEG source image associated with this decompressor
|
|
instance into a YUV planar image and return a <code>YUVImage</code>
|
|
instance containing the decompressed image. This method performs JPEG
|
|
decompression but leaves out the color conversion step, so a planar YUV
|
|
image is generated instead of an RGB or grayscale image. This method
|
|
cannot be used to decompress JPEG source images with the CMYK or YCCK
|
|
colorspace.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>desiredWidth</CODE> - desired width (in pixels) of the YUV image. If the
|
|
desired image dimensions are different than the dimensions of the JPEG
|
|
image being decompressed, then TurboJPEG will use scaling in the JPEG
|
|
decompressor to generate the largest possible image that will fit within
|
|
the desired dimensions. Setting this to 0 is the same as setting it to
|
|
the width of the JPEG image (in other words, the width will not be
|
|
considered when determining the scaled image size.)<DD><CODE>pad</CODE> - the width of each line in each plane of the YUV image will be
|
|
padded to the nearest multiple of this number of bytes (must be a power of
|
|
2.)<DD><CODE>desiredHeight</CODE> - desired height (in pixels) of the YUV image. If the
|
|
desired image dimensions are different than the dimensions of the JPEG
|
|
image being decompressed, then TurboJPEG will use scaling in the JPEG
|
|
decompressor to generate the largest possible image that will fit within
|
|
the desired dimensions. Setting this to 0 is the same as setting it to
|
|
the height of the JPEG image (in other words, the height will not be
|
|
considered when determining the scaled image size.)<DD><CODE>flags</CODE> - the bitwise OR of one or more of
|
|
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><CODE>TJ.FLAG_*</CODE></A>
|
|
<DT><B>Returns:</B><DD>a YUV planar image
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="decompressToYUV(int)"><!-- --></A><H3>
|
|
decompressToYUV</H3>
|
|
<PRE>
|
|
<FONT SIZE="-1">@Deprecated
|
|
</FONT>public byte[] <B>decompressToYUV</B>(int flags)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD><B>Deprecated.</B> <I>Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(int, int, int, int)"><CODE>decompressToYUV(int, int, int, int)</CODE></A> instead.</I>
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="decompress(int[], int, int, int, int, int, int, int)"><!-- --></A><H3>
|
|
decompress</H3>
|
|
<PRE>
|
|
public void <B>decompress</B>(int[] dstBuf,
|
|
int x,
|
|
int y,
|
|
int desiredWidth,
|
|
int stride,
|
|
int desiredHeight,
|
|
int pixelFormat,
|
|
int flags)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Decompress the JPEG source image or decode the YUV source image associated
|
|
with this decompressor instance and output a grayscale, RGB, or CMYK image
|
|
to the given destination buffer.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>dstBuf</CODE> - buffer that will receive the decompressed/decoded image.
|
|
If the source image is a JPEG image, then this buffer should normally be
|
|
<code>stride * scaledHeight</code> pixels in size, where
|
|
<code>scaledHeight</code> can be determined by calling <code>
|
|
scalingFactor.<A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getScaled(int)"><CODE>getScaled</CODE></A>(jpegHeight)
|
|
</code> with one of the scaling factors returned from <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#getScalingFactors()"><CODE>TJ.getScalingFactors()</CODE></A> or by calling <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledHeight(int, int)"><CODE>getScaledHeight(int, int)</CODE></A>. If the
|
|
source image is a YUV image, then this buffer should normally be
|
|
<code>stride * height</code> pixels in size, where <code>height</code> is
|
|
the height of the YUV image. However, the buffer may also be larger than
|
|
the dimensions of the JPEG image, in which case the <code>x</code>,
|
|
<code>y</code>, and <code>stride</code> parameters can be used to specify
|
|
the region into which the source image should be decompressed.<DD><CODE>x</CODE> - x offset (in pixels) of the region in the destination image into
|
|
which the source image should be decompressed/decoded<DD><CODE>y</CODE> - y offset (in pixels) of the region in the destination image into
|
|
which the source image should be decompressed/decoded<DD><CODE>desiredWidth</CODE> - If the source image is a JPEG image, then this
|
|
specifies the desired width (in pixels) of the decompressed image (or
|
|
image region.) If the desired destination image dimensions are different
|
|
than the source image dimensions, then TurboJPEG will use scaling in the
|
|
JPEG decompressor to generate the largest possible image that will fit
|
|
within the desired dimensions. Setting this to 0 is the same as setting
|
|
it to the width of the JPEG image (in other words, the width will not be
|
|
considered when determining the scaled image size.) This parameter is
|
|
ignored if the source image is a YUV image.<DD><CODE>stride</CODE> - pixels per line of the destination image. Normally, this
|
|
should be set to <code>scaledWidth</code>, but you can use this to, for
|
|
instance, decompress the JPEG image into a region of a larger image.
|
|
NOTE: if the source image is a JPEG image, then <code>scaledWidth</code>
|
|
can be determined by calling <code>
|
|
scalingFactor.<A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getScaled(int)"><CODE>getScaled</CODE></A>(jpegWidth)
|
|
</code> or by calling <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledWidth(int, int)"><CODE>getScaledWidth(int, int)</CODE></A>. If the source image is a
|
|
YUV image, then <code>scaledWidth</code> is the width of the YUV image.
|
|
Setting this parameter to 0 is the equivalent of setting it to
|
|
<code>scaledWidth</code>.<DD><CODE>desiredHeight</CODE> - If the source image is a JPEG image, then this
|
|
specifies the desired height (in pixels) of the decompressed image (or
|
|
image region.) If the desired destination image dimensions are different
|
|
than the source image dimensions, then TurboJPEG will use scaling in the
|
|
JPEG decompressor to generate the largest possible image that will fit
|
|
within the desired dimensions. Setting this to 0 is the same as setting
|
|
it to the height of the JPEG image (in other words, the height will not be
|
|
considered when determining the scaled image size.) This parameter is
|
|
ignored if the source image is a YUV image.<DD><CODE>pixelFormat</CODE> - pixel format of the decompressed image (one of
|
|
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_RGB"><CODE>TJ.PF_*</CODE></A>)<DD><CODE>flags</CODE> - the bitwise OR of one or more of
|
|
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><CODE>TJ.FLAG_*</CODE></A>
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="decompress(java.awt.image.BufferedImage, int)"><!-- --></A><H3>
|
|
decompress</H3>
|
|
<PRE>
|
|
public void <B>decompress</B>(java.awt.image.BufferedImage dstImage,
|
|
int flags)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Decompress the JPEG source image or decode the YUV source image associated
|
|
with this decompressor instance and output a decompressed/decoded image to
|
|
the given <code>BufferedImage</code> instance.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>dstImage</CODE> - a <code>BufferedImage</code> instance that will receive
|
|
the decompressed/decoded image. If the source image is a JPEG image, then
|
|
the width and height of the <code>BufferedImage</code> instance must match
|
|
one of the scaled image sizes that TurboJPEG is capable of generating from
|
|
the JPEG image. If the source image is a YUV image, then the width and
|
|
height of the <code>BufferedImage</code> instance must match the width and
|
|
height of the YUV image.<DD><CODE>flags</CODE> - the bitwise OR of one or more of
|
|
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><CODE>TJ.FLAG_*</CODE></A>
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="decompress(int, int, int, int)"><!-- --></A><H3>
|
|
decompress</H3>
|
|
<PRE>
|
|
public java.awt.image.BufferedImage <B>decompress</B>(int desiredWidth,
|
|
int desiredHeight,
|
|
int bufferedImageType,
|
|
int flags)
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Decompress the JPEG source image or decode the YUV source image associated
|
|
with this decompressor instance and return a <code>BufferedImage</code>
|
|
instance containing the decompressed/decoded image.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>desiredWidth</CODE> - see
|
|
<A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int, int, int)"><CODE>decompress(byte[], int, int, int, int, int, int, int)</CODE></A> for
|
|
description<DD><CODE>desiredHeight</CODE> - see
|
|
<A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int, int, int)"><CODE>decompress(byte[], int, int, int, int, int, int, int)</CODE></A> for
|
|
description<DD><CODE>bufferedImageType</CODE> - the image type of the <code>BufferedImage</code>
|
|
instance that will be created (for instance,
|
|
<code>BufferedImage.TYPE_INT_RGB</code>)<DD><CODE>flags</CODE> - the bitwise OR of one or more of
|
|
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><CODE>TJ.FLAG_*</CODE></A>
|
|
<DT><B>Returns:</B><DD>a <code>BufferedImage</code> instance containing the
|
|
decompressed/decoded image
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="close()"><!-- --></A><H3>
|
|
close</H3>
|
|
<PRE>
|
|
public void <B>close</B>()
|
|
throws java.lang.Exception</PRE>
|
|
<DL>
|
|
<DD>Free the native structures associated with this decompressor instance.
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Exception</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="finalize()"><!-- --></A><H3>
|
|
finalize</H3>
|
|
<PRE>
|
|
protected void <B>finalize</B>()
|
|
throws java.lang.Throwable</PRE>
|
|
<DL>
|
|
<DD><DL>
|
|
<DT><B>Overrides:</B><DD><CODE>finalize</CODE> in class <CODE>java.lang.Object</CODE></DL>
|
|
</DD>
|
|
<DD><DL>
|
|
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.Throwable</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
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