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|  | <H2> | 
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|  | org.libjpegturbo.turbojpeg</FONT> | 
|  | <BR> | 
|  | Class TJ</H2> | 
|  | <PRE> | 
|  | java.lang.Object | 
|  | <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.libjpegturbo.turbojpeg.TJ</B> | 
|  | </PRE> | 
|  | <HR> | 
|  | <DL> | 
|  | <DT><PRE>public final class <B>TJ</B><DT>extends java.lang.Object</DL> | 
|  | </PRE> | 
|  |  | 
|  | <P> | 
|  | TurboJPEG utility class (cannot be instantiated) | 
|  | <P> | 
|  |  | 
|  | <P> | 
|  | <HR> | 
|  |  | 
|  | <P> | 
|  | <!-- =========== FIELD SUMMARY =========== --> | 
|  |  | 
|  | <A NAME="field_summary"><!-- --></A> | 
|  | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> | 
|  | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> | 
|  | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> | 
|  | <B>Field Summary</B></FONT></TH> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP">FLAG_BOTTOMUP</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           The uncompressed source/destination image is stored in bottom-up (Windows, | 
|  | OpenGL) order, not top-down (X11) order.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTUPSAMPLE">FLAG_FASTUPSAMPLE</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           Use fast, inaccurate chrominance upsampling routines in the JPEG | 
|  | decompressor (libjpeg and libjpeg-turbo versions only.)</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCEMMX">FLAG_FORCEMMX</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           Turn off CPU auto-detection and force TurboJPEG to use MMX code | 
|  | (IPP and 32-bit libjpeg-turbo versions only.)</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE">FLAG_FORCESSE</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           Turn off CPU auto-detection and force TurboJPEG to use SSE code | 
|  | (32-bit IPP and 32-bit libjpeg-turbo versions only.)</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE2">FLAG_FORCESSE2</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           Turn off CPU auto-detection and force TurboJPEG to use SSE2 code | 
|  | (32-bit IPP and 32-bit libjpeg-turbo versions only.)</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE3">FLAG_FORCESSE3</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           Turn off CPU auto-detection and force TurboJPEG to use SSE3 code | 
|  | (64-bit IPP version only.)</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#NUMPF">NUMPF</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           The number of pixel formats</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#NUMSAMP">NUMSAMP</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           The number of chrominance subsampling options</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_BGR">PF_BGR</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           BGR pixel format.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_BGRX">PF_BGRX</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           BGRX pixel format.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_GRAY">PF_GRAY</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           Grayscale pixel format.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_RGB">PF_RGB</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           RGB pixel format.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_RGBX">PF_RGBX</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           RGBX pixel format.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_XBGR">PF_XBGR</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           XBGR pixel format.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_XRGB">PF_XRGB</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           XRGB pixel format.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_420">SAMP_420</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           4:2:0 chrominance subsampling.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_422">SAMP_422</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           4:2:2 chrominance subsampling.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_440">SAMP_440</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           4:4:0 chrominance subsampling.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_444">SAMP_444</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           4:4:4 chrominance subsampling (no chrominance subsampling).</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_GRAY">SAMP_GRAY</A></B></CODE> | 
|  |  | 
|  | <BR> | 
|  |           Grayscale.</TD> | 
|  | </TR> | 
|  | </TABLE> | 
|  |   | 
|  | <!-- ======== CONSTRUCTOR SUMMARY ======== --> | 
|  |  | 
|  | <A NAME="constructor_summary"><!-- --></A> | 
|  | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> | 
|  | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> | 
|  | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> | 
|  | <B>Constructor Summary</B></FONT></TH> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#TJ()">TJ</A></B>()</CODE> | 
|  |  | 
|  | <BR> | 
|  |            </TD> | 
|  | </TR> | 
|  | </TABLE> | 
|  |   | 
|  | <!-- ========== METHOD SUMMARY =========== --> | 
|  |  | 
|  | <A NAME="method_summary"><!-- --></A> | 
|  | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> | 
|  | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> | 
|  | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> | 
|  | <B>Method Summary</B></FONT></TH> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#bufSize(int, int)">bufSize</A></B>(int width, | 
|  | int height)</CODE> | 
|  |  | 
|  | <BR> | 
|  |           Returns the maximum size of the buffer (in bytes) required to hold a JPEG | 
|  | image with the given width and height.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#bufSizeYUV(int, int, int)">bufSizeYUV</A></B>(int width, | 
|  | int height, | 
|  | int subsamp)</CODE> | 
|  |  | 
|  | <BR> | 
|  |           Returns the size of the buffer (in bytes) required to hold a YUV planar | 
|  | image with the given width, height, and level of chrominance subsampling.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#getBlueOffset(int)">getBlueOffset</A></B>(int pixelFormat)</CODE> | 
|  |  | 
|  | <BR> | 
|  |           For the given pixel format, returns the number of bytes that the blue | 
|  | component is offset from the start of the pixel.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#getGreenOffset(int)">getGreenOffset</A></B>(int pixelFormat)</CODE> | 
|  |  | 
|  | <BR> | 
|  |           For the given pixel format, returns the number of bytes that the green | 
|  | component is offset from the start of the pixel.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#getMCUHeight(int)">getMCUHeight</A></B>(int subsamp)</CODE> | 
|  |  | 
|  | <BR> | 
|  |           Returns the MCU block height for the given level of chrominance | 
|  | subsampling.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#getMCUWidth(int)">getMCUWidth</A></B>(int subsamp)</CODE> | 
|  |  | 
|  | <BR> | 
|  |           Returns the MCU block width for the given level of chrominance | 
|  | subsampling.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#getPixelSize(int)">getPixelSize</A></B>(int pixelFormat)</CODE> | 
|  |  | 
|  | <BR> | 
|  |           Returns the pixel size (in bytes) of the given pixel format.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static int</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#getRedOffset(int)">getRedOffset</A></B>(int pixelFormat)</CODE> | 
|  |  | 
|  | <BR> | 
|  |           For the given pixel format, returns the number of bytes that the red | 
|  | component is offset from the start of the pixel.</TD> | 
|  | </TR> | 
|  | <TR BGCOLOR="white" CLASS="TableRowColor"> | 
|  | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | 
|  | <CODE>static <A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>[]</CODE></FONT></TD> | 
|  | <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#getScalingFactors()">getScalingFactors</A></B>()</CODE> | 
|  |  | 
|  | <BR> | 
|  |           Returns a list of fractional scaling factors that the JPEG decompressor in | 
|  | this implementation of TurboJPEG supports.</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, finalize, 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="NUMSAMP"><!-- --></A><H3> | 
|  | NUMSAMP</H3> | 
|  | <PRE> | 
|  | public static final int <B>NUMSAMP</B></PRE> | 
|  | <DL> | 
|  | <DD>The number of chrominance subsampling options | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.NUMSAMP">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="SAMP_444"><!-- --></A><H3> | 
|  | SAMP_444</H3> | 
|  | <PRE> | 
|  | public static final int <B>SAMP_444</B></PRE> | 
|  | <DL> | 
|  | <DD>4:4:4 chrominance subsampling (no chrominance subsampling).  The JPEG | 
|  | or YUV image will contain one chrominance component for every pixel in the | 
|  | source image. | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.SAMP_444">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="SAMP_422"><!-- --></A><H3> | 
|  | SAMP_422</H3> | 
|  | <PRE> | 
|  | public static final int <B>SAMP_422</B></PRE> | 
|  | <DL> | 
|  | <DD>4:2:2 chrominance subsampling.  The JPEG or YUV image will contain one | 
|  | chrominance component for every 2x1 block of pixels in the source image. | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.SAMP_422">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="SAMP_420"><!-- --></A><H3> | 
|  | SAMP_420</H3> | 
|  | <PRE> | 
|  | public static final int <B>SAMP_420</B></PRE> | 
|  | <DL> | 
|  | <DD>4:2:0 chrominance subsampling.  The JPEG or YUV image will contain one | 
|  | chrominance component for every 2x2 block of pixels in the source image. | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.SAMP_420">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="SAMP_GRAY"><!-- --></A><H3> | 
|  | SAMP_GRAY</H3> | 
|  | <PRE> | 
|  | public static final int <B>SAMP_GRAY</B></PRE> | 
|  | <DL> | 
|  | <DD>Grayscale.  The JPEG or YUV image will contain no chrominance components. | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.SAMP_GRAY">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="SAMP_440"><!-- --></A><H3> | 
|  | SAMP_440</H3> | 
|  | <PRE> | 
|  | public static final int <B>SAMP_440</B></PRE> | 
|  | <DL> | 
|  | <DD>4:4:0 chrominance subsampling.  The JPEG or YUV image will contain one | 
|  | chrominance component for every 1x2 block of pixels in the source image. | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.SAMP_440">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="NUMPF"><!-- --></A><H3> | 
|  | NUMPF</H3> | 
|  | <PRE> | 
|  | public static final int <B>NUMPF</B></PRE> | 
|  | <DL> | 
|  | <DD>The number of pixel formats | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.NUMPF">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="PF_RGB"><!-- --></A><H3> | 
|  | PF_RGB</H3> | 
|  | <PRE> | 
|  | public static final int <B>PF_RGB</B></PRE> | 
|  | <DL> | 
|  | <DD>RGB pixel format.  The red, green, and blue components in the image are | 
|  | stored in 3-byte pixels in the order R, G, B from lowest to highest byte | 
|  | address within each pixel. | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.PF_RGB">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="PF_BGR"><!-- --></A><H3> | 
|  | PF_BGR</H3> | 
|  | <PRE> | 
|  | public static final int <B>PF_BGR</B></PRE> | 
|  | <DL> | 
|  | <DD>BGR pixel format.  The red, green, and blue components in the image are | 
|  | stored in 3-byte pixels in the order B, G, R from lowest to highest byte | 
|  | address within each pixel. | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.PF_BGR">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="PF_RGBX"><!-- --></A><H3> | 
|  | PF_RGBX</H3> | 
|  | <PRE> | 
|  | public static final int <B>PF_RGBX</B></PRE> | 
|  | <DL> | 
|  | <DD>RGBX pixel format.  The red, green, and blue components in the image are | 
|  | stored in 4-byte pixels in the order R, G, B from lowest to highest byte | 
|  | address within each pixel. | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.PF_RGBX">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="PF_BGRX"><!-- --></A><H3> | 
|  | PF_BGRX</H3> | 
|  | <PRE> | 
|  | public static final int <B>PF_BGRX</B></PRE> | 
|  | <DL> | 
|  | <DD>BGRX pixel format.  The red, green, and blue components in the image are | 
|  | stored in 4-byte pixels in the order B, G, R from lowest to highest byte | 
|  | address within each pixel. | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.PF_BGRX">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="PF_XBGR"><!-- --></A><H3> | 
|  | PF_XBGR</H3> | 
|  | <PRE> | 
|  | public static final int <B>PF_XBGR</B></PRE> | 
|  | <DL> | 
|  | <DD>XBGR pixel format.  The red, green, and blue components in the image are | 
|  | stored in 4-byte pixels in the order R, G, B from highest to lowest byte | 
|  | address within each pixel. | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.PF_XBGR">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="PF_XRGB"><!-- --></A><H3> | 
|  | PF_XRGB</H3> | 
|  | <PRE> | 
|  | public static final int <B>PF_XRGB</B></PRE> | 
|  | <DL> | 
|  | <DD>XRGB pixel format.  The red, green, and blue components in the image are | 
|  | stored in 4-byte pixels in the order B, G, R from highest to lowest byte | 
|  | address within each pixel. | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.PF_XRGB">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="PF_GRAY"><!-- --></A><H3> | 
|  | PF_GRAY</H3> | 
|  | <PRE> | 
|  | public static final int <B>PF_GRAY</B></PRE> | 
|  | <DL> | 
|  | <DD>Grayscale pixel format.  Each 1-byte pixel represents a luminance | 
|  | (brightness) level from 0 to 255. | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.PF_GRAY">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="FLAG_BOTTOMUP"><!-- --></A><H3> | 
|  | FLAG_BOTTOMUP</H3> | 
|  | <PRE> | 
|  | public static final int <B>FLAG_BOTTOMUP</B></PRE> | 
|  | <DL> | 
|  | <DD>The uncompressed source/destination image is stored in bottom-up (Windows, | 
|  | OpenGL) order, not top-down (X11) order. | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_BOTTOMUP">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="FLAG_FORCEMMX"><!-- --></A><H3> | 
|  | FLAG_FORCEMMX</H3> | 
|  | <PRE> | 
|  | public static final int <B>FLAG_FORCEMMX</B></PRE> | 
|  | <DL> | 
|  | <DD>Turn off CPU auto-detection and force TurboJPEG to use MMX code | 
|  | (IPP and 32-bit libjpeg-turbo versions only.) | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_FORCEMMX">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="FLAG_FORCESSE"><!-- --></A><H3> | 
|  | FLAG_FORCESSE</H3> | 
|  | <PRE> | 
|  | public static final int <B>FLAG_FORCESSE</B></PRE> | 
|  | <DL> | 
|  | <DD>Turn off CPU auto-detection and force TurboJPEG to use SSE code | 
|  | (32-bit IPP and 32-bit libjpeg-turbo versions only.) | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_FORCESSE">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="FLAG_FORCESSE2"><!-- --></A><H3> | 
|  | FLAG_FORCESSE2</H3> | 
|  | <PRE> | 
|  | public static final int <B>FLAG_FORCESSE2</B></PRE> | 
|  | <DL> | 
|  | <DD>Turn off CPU auto-detection and force TurboJPEG to use SSE2 code | 
|  | (32-bit IPP and 32-bit libjpeg-turbo versions only.) | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_FORCESSE2">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="FLAG_FORCESSE3"><!-- --></A><H3> | 
|  | FLAG_FORCESSE3</H3> | 
|  | <PRE> | 
|  | public static final int <B>FLAG_FORCESSE3</B></PRE> | 
|  | <DL> | 
|  | <DD>Turn off CPU auto-detection and force TurboJPEG to use SSE3 code | 
|  | (64-bit IPP version only.) | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_FORCESSE3">Constant Field Values</A></DL> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="FLAG_FASTUPSAMPLE"><!-- --></A><H3> | 
|  | FLAG_FASTUPSAMPLE</H3> | 
|  | <PRE> | 
|  | public static final int <B>FLAG_FASTUPSAMPLE</B></PRE> | 
|  | <DL> | 
|  | <DD>Use fast, inaccurate chrominance upsampling routines in the JPEG | 
|  | decompressor (libjpeg and libjpeg-turbo versions only.) | 
|  | <P> | 
|  | <DL> | 
|  | <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_FASTUPSAMPLE">Constant Field Values</A></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="TJ()"><!-- --></A><H3> | 
|  | TJ</H3> | 
|  | <PRE> | 
|  | public <B>TJ</B>()</PRE> | 
|  | <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="getMCUWidth(int)"><!-- --></A><H3> | 
|  | getMCUWidth</H3> | 
|  | <PRE> | 
|  | public static int <B>getMCUWidth</B>(int subsamp) | 
|  | throws java.lang.Exception</PRE> | 
|  | <DL> | 
|  | <DD>Returns the MCU block width for the given level of chrominance | 
|  | subsampling. | 
|  | <P> | 
|  | <DD><DL> | 
|  | <DT><B>Parameters:</B><DD><CODE>subsamp</CODE> - the level of chrominance subsampling (one of | 
|  | <code>SAMP_*</code>) | 
|  | <DT><B>Returns:</B><DD>the MCU block width for the given level of chrominance subsampling | 
|  | <DT><B>Throws:</B> | 
|  | <DD><CODE>java.lang.Exception</CODE></DL> | 
|  | </DD> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="getMCUHeight(int)"><!-- --></A><H3> | 
|  | getMCUHeight</H3> | 
|  | <PRE> | 
|  | public static int <B>getMCUHeight</B>(int subsamp) | 
|  | throws java.lang.Exception</PRE> | 
|  | <DL> | 
|  | <DD>Returns the MCU block height for the given level of chrominance | 
|  | subsampling. | 
|  | <P> | 
|  | <DD><DL> | 
|  | <DT><B>Parameters:</B><DD><CODE>subsamp</CODE> - the level of chrominance subsampling (one of | 
|  | <code>SAMP_*</code>) | 
|  | <DT><B>Returns:</B><DD>the MCU block height for the given level of chrominance | 
|  | subsampling | 
|  | <DT><B>Throws:</B> | 
|  | <DD><CODE>java.lang.Exception</CODE></DL> | 
|  | </DD> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="getPixelSize(int)"><!-- --></A><H3> | 
|  | getPixelSize</H3> | 
|  | <PRE> | 
|  | public static int <B>getPixelSize</B>(int pixelFormat) | 
|  | throws java.lang.Exception</PRE> | 
|  | <DL> | 
|  | <DD>Returns the pixel size (in bytes) of the given pixel format. | 
|  | <P> | 
|  | <DD><DL> | 
|  | <DT><B>Parameters:</B><DD><CODE>pixelFormat</CODE> - the pixel format (one of <code>PF_*</code>) | 
|  | <DT><B>Returns:</B><DD>the pixel size (in bytes) of the given pixel format | 
|  | <DT><B>Throws:</B> | 
|  | <DD><CODE>java.lang.Exception</CODE></DL> | 
|  | </DD> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="getRedOffset(int)"><!-- --></A><H3> | 
|  | getRedOffset</H3> | 
|  | <PRE> | 
|  | public static int <B>getRedOffset</B>(int pixelFormat) | 
|  | throws java.lang.Exception</PRE> | 
|  | <DL> | 
|  | <DD>For the given pixel format, returns the number of bytes that the red | 
|  | component is offset from the start of the pixel.  For instance, if a pixel | 
|  | of format <code>TJ.PF_BGRX</code> is stored in <code>char pixel[]</code>, | 
|  | then the red component will be | 
|  | <code>pixel[TJ.getRedOffset(TJ.PF_BGRX)]</code>. | 
|  | <P> | 
|  | <DD><DL> | 
|  | <DT><B>Parameters:</B><DD><CODE>pixelFormat</CODE> - the pixel format (one of <code>PF_*</code>) | 
|  | <DT><B>Returns:</B><DD>the red offset for the given pixel format | 
|  | <DT><B>Throws:</B> | 
|  | <DD><CODE>java.lang.Exception</CODE></DL> | 
|  | </DD> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="getGreenOffset(int)"><!-- --></A><H3> | 
|  | getGreenOffset</H3> | 
|  | <PRE> | 
|  | public static int <B>getGreenOffset</B>(int pixelFormat) | 
|  | throws java.lang.Exception</PRE> | 
|  | <DL> | 
|  | <DD>For the given pixel format, returns the number of bytes that the green | 
|  | component is offset from the start of the pixel.  For instance, if a pixel | 
|  | of format <code>TJ.PF_BGRX</code> is stored in <code>char pixel[]</code>, | 
|  | then the green component will be | 
|  | <code>pixel[TJ.getGreenOffset(TJ.PF_BGRX)]</code>. | 
|  | <P> | 
|  | <DD><DL> | 
|  | <DT><B>Parameters:</B><DD><CODE>pixelFormat</CODE> - the pixel format (one of <code>PF_*</code>) | 
|  | <DT><B>Returns:</B><DD>the green offset for the given pixel format | 
|  | <DT><B>Throws:</B> | 
|  | <DD><CODE>java.lang.Exception</CODE></DL> | 
|  | </DD> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="getBlueOffset(int)"><!-- --></A><H3> | 
|  | getBlueOffset</H3> | 
|  | <PRE> | 
|  | public static int <B>getBlueOffset</B>(int pixelFormat) | 
|  | throws java.lang.Exception</PRE> | 
|  | <DL> | 
|  | <DD>For the given pixel format, returns the number of bytes that the blue | 
|  | component is offset from the start of the pixel.  For instance, if a pixel | 
|  | of format <code>TJ.PF_BGRX</code> is stored in <code>char pixel[]</code>, | 
|  | then the blue component will be | 
|  | <code>pixel[TJ.getBlueOffset(TJ.PF_BGRX)]</code>. | 
|  | <P> | 
|  | <DD><DL> | 
|  | <DT><B>Parameters:</B><DD><CODE>pixelFormat</CODE> - the pixel format (one of <code>PF_*</code>) | 
|  | <DT><B>Returns:</B><DD>the blue offset for the given pixel format | 
|  | <DT><B>Throws:</B> | 
|  | <DD><CODE>java.lang.Exception</CODE></DL> | 
|  | </DD> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="bufSize(int, int)"><!-- --></A><H3> | 
|  | bufSize</H3> | 
|  | <PRE> | 
|  | public static int <B>bufSize</B>(int width, | 
|  | int height) | 
|  | throws java.lang.Exception</PRE> | 
|  | <DL> | 
|  | <DD>Returns the maximum size of the buffer (in bytes) required to hold a JPEG | 
|  | image with the given width and height. | 
|  | <P> | 
|  | <DD><DL> | 
|  | <DT><B>Parameters:</B><DD><CODE>width</CODE> - the width (in pixels) of the JPEG image<DD><CODE>height</CODE> - the height (in pixels) of the JPEG image | 
|  | <DT><B>Returns:</B><DD>the maximum size of the buffer (in bytes) required to hold a JPEG | 
|  | image with the given width and height | 
|  | <DT><B>Throws:</B> | 
|  | <DD><CODE>java.lang.Exception</CODE></DL> | 
|  | </DD> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="bufSizeYUV(int, int, int)"><!-- --></A><H3> | 
|  | bufSizeYUV</H3> | 
|  | <PRE> | 
|  | public static int <B>bufSizeYUV</B>(int width, | 
|  | int height, | 
|  | int subsamp) | 
|  | throws java.lang.Exception</PRE> | 
|  | <DL> | 
|  | <DD>Returns the size of the buffer (in bytes) required to hold a YUV planar | 
|  | image with the given width, height, and level of chrominance subsampling. | 
|  | <P> | 
|  | <DD><DL> | 
|  | <DT><B>Parameters:</B><DD><CODE>width</CODE> - the width (in pixels) of the YUV image<DD><CODE>height</CODE> - the height (in pixels) of the YUV image<DD><CODE>subsamp</CODE> - the level of chrominance subsampling used in the YUV | 
|  | image | 
|  | <DT><B>Returns:</B><DD>the size of the buffer (in bytes) required to hold a YUV planar | 
|  | image with the given width, height, and level of chrominance subsampling | 
|  | <DT><B>Throws:</B> | 
|  | <DD><CODE>java.lang.Exception</CODE></DL> | 
|  | </DD> | 
|  | </DL> | 
|  | <HR> | 
|  |  | 
|  | <A NAME="getScalingFactors()"><!-- --></A><H3> | 
|  | getScalingFactors</H3> | 
|  | <PRE> | 
|  | public static <A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>[] <B>getScalingFactors</B>() | 
|  | throws java.lang.Exception</PRE> | 
|  | <DL> | 
|  | <DD>Returns a list of fractional scaling factors that the JPEG decompressor in | 
|  | this implementation of TurboJPEG supports. | 
|  | <P> | 
|  | <DD><DL> | 
|  |  | 
|  | <DT><B>Returns:</B><DD>a list of fractional scaling factors that the JPEG decompressor in | 
|  | this implementation of TurboJPEG supports | 
|  | <DT><B>Throws:</B> | 
|  | <DD><CODE>java.lang.Exception</CODE></DL> | 
|  | </DD> | 
|  | </DL> | 
|  | <!-- ========= END OF CLASS DATA ========= --> | 
|  | <HR> | 
|  |  | 
|  |  | 
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