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| org.libjpegturbo.turbojpeg</FONT> |
| <BR> |
| Class TJCompressor</H2> |
| <PRE> |
| java.lang.Object |
| <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.libjpegturbo.turbojpeg.TJCompressor</B> |
| </PRE> |
| <HR> |
| <DL> |
| <DT><PRE>public class <B>TJCompressor</B><DT>extends java.lang.Object</DL> |
| </PRE> |
| |
| <P> |
| TurboJPEG compressor |
| <P> |
| |
| <P> |
| <HR> |
| |
| <P> |
| |
| <!-- ======== 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/TJCompressor.html#TJCompressor()">TJCompressor</A></B>()</CODE> |
| |
| <BR> |
| Create a TurboJPEG compressor instance.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[], int, int, int, int)">TJCompressor</A></B>(byte[] srcImage, |
| int width, |
| int pitch, |
| int height, |
| int pixelFormat)</CODE> |
| |
| <BR> |
| Create a TurboJPEG compressor instance and associate the uncompressed |
| source image stored in <code>srcImage</code> with the newly-created |
| instance.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[], int, int, int, int, int, int)">TJCompressor</A></B>(byte[] srcImage, |
| int x, |
| int y, |
| int width, |
| int pitch, |
| int height, |
| int pixelFormat)</CODE> |
| |
| <BR> |
| Create a TurboJPEG compressor instance and associate the uncompressed |
| source image stored in <code>srcImage</code> with the newly-created |
| instance.</TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
| |
| <A NAME="method_summary"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| <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> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#close()">close</A></B>()</CODE> |
| |
| <BR> |
| Free the native structures associated with this compressor 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/TJCompressor.html#compress(java.awt.image.BufferedImage, byte[], int)">compress</A></B>(java.awt.image.BufferedImage srcImage, |
| byte[] dstBuf, |
| int flags)</CODE> |
| |
| <BR> |
| Compress the uncompressed source image stored in <code>srcImage</code> |
| and output a JPEG image to the given destination buffer.</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/TJCompressor.html#compress(java.awt.image.BufferedImage, int)">compress</A></B>(java.awt.image.BufferedImage srcImage, |
| int flags)</CODE> |
| |
| <BR> |
| Compress the uncompressed source image stored in <code>srcImage</code> |
| and return a buffer containing a JPEG image.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#compress(byte[], int)">compress</A></B>(byte[] dstBuf, |
| int flags)</CODE> |
| |
| <BR> |
| Compress the uncompressed source image associated with this compressor |
| instance and output a JPEG image to the given destination buffer.</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/TJCompressor.html#compress(int)">compress</A></B>(int flags)</CODE> |
| |
| <BR> |
| Compress the uncompressed source image associated with this compressor |
| instance and return a buffer containing a JPEG image.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(java.awt.image.BufferedImage, byte[], int)">encodeYUV</A></B>(java.awt.image.BufferedImage srcImage, |
| byte[] dstBuf, |
| int flags)</CODE> |
| |
| <BR> |
| Encode the uncompressed source image stored in <code>srcImage</code> |
| and output a YUV planar image to the given destination buffer.</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/TJCompressor.html#encodeYUV(java.awt.image.BufferedImage, int)">encodeYUV</A></B>(java.awt.image.BufferedImage srcImage, |
| int flags)</CODE> |
| |
| <BR> |
| Encode the uncompressed source image stored in <code>srcImage</code> |
| and return a buffer containing a YUV planar image.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(byte[], int)">encodeYUV</A></B>(byte[] dstBuf, |
| int flags)</CODE> |
| |
| <BR> |
| Encode the uncompressed source image associated with this compressor |
| instance and output a YUV planar image to the given destination buffer.</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/TJCompressor.html#encodeYUV(int)">encodeYUV</A></B>(int flags)</CODE> |
| |
| <BR> |
| Encode the uncompressed source image associated with this compressor |
| instance and return a buffer containing a YUV planar image.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#finalize()">finalize</A></B>()</CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#getCompressedSize()">getCompressedSize</A></B>()</CODE> |
| |
| <BR> |
| Returns the size of the image (in bytes) generated by the most recent |
| compress/encode operation.</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/TJCompressor.html#setJPEGQuality(int)">setJPEGQuality</A></B>(int quality)</CODE> |
| |
| <BR> |
| Set the JPEG image quality level for subsequent compress operations.</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/TJCompressor.html#setSourceImage(byte[], int, int, int, int)">setSourceImage</A></B>(byte[] srcImage, |
| int width, |
| int pitch, |
| int height, |
| int pixelFormat)</CODE> |
| |
| <BR> |
| <B>Deprecated.</B> <I>Use |
| <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, 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/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)">setSourceImage</A></B>(byte[] srcImage, |
| int x, |
| int y, |
| int width, |
| int pitch, |
| int height, |
| int pixelFormat)</CODE> |
| |
| <BR> |
| Associate an uncompressed source image with this compressor 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/TJCompressor.html#setSubsamp(int)">setSubsamp</A></B>(int newSubsamp)</CODE> |
| |
| <BR> |
| Set the level of chrominance subsampling for subsequent compress/encode |
| operations.</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/TJCompressor.html#setYUVPad(int)">setYUVPad</A></B>(int pad)</CODE> |
| |
| <BR> |
| Set the plane padding for subsequent YUV encode operations.</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> |
| |
| <!-- ========= 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="TJCompressor()"><!-- --></A><H3> |
| TJCompressor</H3> |
| <PRE> |
| public <B>TJCompressor</B>() |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD>Create a TurboJPEG compressor instance. |
| <P> |
| <DL> |
| |
| <DT><B>Throws:</B> |
| <DD><CODE>java.lang.Exception</CODE></DL> |
| </DL> |
| <HR> |
| |
| <A NAME="TJCompressor(byte[], int, int, int, int)"><!-- --></A><H3> |
| TJCompressor</H3> |
| <PRE> |
| public <B>TJCompressor</B>(byte[] srcImage, |
| int width, |
| int pitch, |
| int height, |
| int pixelFormat) |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD>Create a TurboJPEG compressor instance and associate the uncompressed |
| source image stored in <code>srcImage</code> with the newly-created |
| instance. |
| <P> |
| <DL> |
| <DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>width</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>pitch</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>height</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>pixelFormat</CODE> - pixel format of the source image (one of |
| <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.PF_*</CODE></A>) |
| <DT><B>Throws:</B> |
| <DD><CODE>java.lang.Exception</CODE></DL> |
| </DL> |
| <HR> |
| |
| <A NAME="TJCompressor(byte[], int, int, int, int, int, int)"><!-- --></A><H3> |
| TJCompressor</H3> |
| <PRE> |
| public <B>TJCompressor</B>(byte[] srcImage, |
| int x, |
| int y, |
| int width, |
| int pitch, |
| int height, |
| int pixelFormat) |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD>Create a TurboJPEG compressor instance and associate the uncompressed |
| source image stored in <code>srcImage</code> with the newly-created |
| instance. |
| <P> |
| <DL> |
| <DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>x</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>y</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>width</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>pitch</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>height</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>pixelFormat</CODE> - pixel format of the source image (one of |
| <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.PF_*</CODE></A>) |
| <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, int, int, int, int, int)"><!-- --></A><H3> |
| setSourceImage</H3> |
| <PRE> |
| public void <B>setSourceImage</B>(byte[] srcImage, |
| int x, |
| int y, |
| int width, |
| int pitch, |
| int height, |
| int pixelFormat) |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD>Associate an uncompressed source image with this compressor instance. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - image buffer containing RGB, grayscale, or CMYK pixels to |
| be compressed<DD><CODE>x</CODE> - x offset (in pixels) of the region from which the JPEG image |
| should be compressed, relative to the start of <code>srcImage</code>.<DD><CODE>y</CODE> - y offset (in pixels) of the region from which the JPEG image |
| should be compressed, relative to the start of <code>srcImage</code>.<DD><CODE>width</CODE> - width (in pixels) of the region in the source image from |
| which the JPEG image should be compressed.<DD><CODE>pitch</CODE> - bytes per line of the source image. Normally, this should be |
| <code>width * TJ.pixelSize(pixelFormat)</code> if the source image is |
| unpadded, but you can use this parameter to, for instance, specify that |
| the scanlines in the source image are padded to a 4-byte boundary or to |
| compress a JPEG image from a region of a larger source image. You can |
| also be clever and use this parameter to skip lines, etc. Setting this |
| parameter to 0 is the equivalent of setting it to <code>width * |
| TJ.pixelSize(pixelFormat)</code>.<DD><CODE>height</CODE> - height (in pixels) of the region in the source image from |
| which the JPEG image should be compressed.<DD><CODE>pixelFormat</CODE> - pixel format of the source image (one of |
| <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.PF_*</CODE></A>) |
| <DT><B>Throws:</B> |
| <DD><CODE>java.lang.Exception</CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="setSourceImage(byte[], int, int, int, int)"><!-- --></A><H3> |
| setSourceImage</H3> |
| <PRE> |
| <FONT SIZE="-1">@Deprecated |
| </FONT>public void <B>setSourceImage</B>(byte[] srcImage, |
| int width, |
| int pitch, |
| int height, |
| int pixelFormat) |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD><B>Deprecated.</B> <I>Use |
| <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], 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="setSubsamp(int)"><!-- --></A><H3> |
| setSubsamp</H3> |
| <PRE> |
| public void <B>setSubsamp</B>(int newSubsamp) |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD>Set the level of chrominance subsampling for subsequent compress/encode |
| operations. When pixels are converted from RGB to YCbCr (see |
| <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#CS_YCbCr"><CODE>TJ.CS_YCbCr</CODE></A>) or from CMYK to YCCK (see <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#CS_YCCK"><CODE>TJ.CS_YCCK</CODE></A>) as part |
| of the JPEG compression process, some of the Cb and Cr (chrominance) |
| components can be discarded or averaged together to produce a smaller |
| image with little perceptible loss of image clarity (the human eye is more |
| sensitive to small changes in brightness than to small changes in color.) |
| This is called "chrominance subsampling". |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>newSubsamp</CODE> - the new level of chrominance subsampling (one of |
| <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.SAMP_*</CODE></A>) |
| <DT><B>Throws:</B> |
| <DD><CODE>java.lang.Exception</CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="setJPEGQuality(int)"><!-- --></A><H3> |
| setJPEGQuality</H3> |
| <PRE> |
| public void <B>setJPEGQuality</B>(int quality) |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD>Set the JPEG image quality level for subsequent compress operations. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>quality</CODE> - the new JPEG image quality level (1 to 100, 1 = worst, |
| 100 = best) |
| <DT><B>Throws:</B> |
| <DD><CODE>java.lang.Exception</CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="compress(byte[], int)"><!-- --></A><H3> |
| compress</H3> |
| <PRE> |
| public void <B>compress</B>(byte[] dstBuf, |
| int flags) |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD>Compress the uncompressed source image associated with this compressor |
| instance and output a JPEG image to the given destination buffer. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>dstBuf</CODE> - buffer that will receive the JPEG image. Use |
| <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#bufSize(int, int, int)"><CODE>TJ.bufSize(int, int, int)</CODE></A> to determine the maximum size for this buffer based on |
| the image width, height, and level of chrominance subsampling.<DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A> |
| <DT><B>Throws:</B> |
| <DD><CODE>java.lang.Exception</CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="compress(int)"><!-- --></A><H3> |
| compress</H3> |
| <PRE> |
| public byte[] <B>compress</B>(int flags) |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD>Compress the uncompressed source image associated with this compressor |
| instance and return a buffer containing a JPEG image. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A> |
| <DT><B>Returns:</B><DD>a buffer containing a JPEG image. The length of this buffer will |
| not be equal to the size of the JPEG image. Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#getCompressedSize()"><CODE>getCompressedSize()</CODE></A> to obtain the size of the JPEG image. |
| <DT><B>Throws:</B> |
| <DD><CODE>java.lang.Exception</CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="compress(java.awt.image.BufferedImage, byte[], int)"><!-- --></A><H3> |
| compress</H3> |
| <PRE> |
| public void <B>compress</B>(java.awt.image.BufferedImage srcImage, |
| byte[] dstBuf, |
| int flags) |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD>Compress the uncompressed source image stored in <code>srcImage</code> |
| and output a JPEG image to the given destination buffer. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - a <code>BufferedImage</code> instance containing RGB or |
| grayscale pixels to be compressed<DD><CODE>dstBuf</CODE> - buffer that will receive the JPEG image. Use |
| <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#bufSize(int, int, int)"><CODE>TJ.bufSize(int, int, int)</CODE></A> to determine the maximum size for this buffer based on |
| the image width, height, and level of chrominance subsampling.<DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A> |
| <DT><B>Throws:</B> |
| <DD><CODE>java.lang.Exception</CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="compress(java.awt.image.BufferedImage, int)"><!-- --></A><H3> |
| compress</H3> |
| <PRE> |
| public byte[] <B>compress</B>(java.awt.image.BufferedImage srcImage, |
| int flags) |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD>Compress the uncompressed source image stored in <code>srcImage</code> |
| and return a buffer containing a JPEG image. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - a <code>BufferedImage</code> instance containing RGB or |
| grayscale pixels to be compressed<DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A> |
| <DT><B>Returns:</B><DD>a buffer containing a JPEG image. The length of this buffer will |
| not be equal to the size of the JPEG image. Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#getCompressedSize()"><CODE>getCompressedSize()</CODE></A> to obtain the size of the JPEG image. |
| <DT><B>Throws:</B> |
| <DD><CODE>java.lang.Exception</CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="setYUVPad(int)"><!-- --></A><H3> |
| setYUVPad</H3> |
| <PRE> |
| public void <B>setYUVPad</B>(int pad) |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD>Set the plane padding for subsequent YUV encode operations. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><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.) The default padding is 4 bytes, which generates |
| images suitable for direct video display. |
| <DT><B>Throws:</B> |
| <DD><CODE>java.lang.Exception</CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="encodeYUV(byte[], int)"><!-- --></A><H3> |
| encodeYUV</H3> |
| <PRE> |
| public void <B>encodeYUV</B>(byte[] dstBuf, |
| int flags) |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD>Encode the uncompressed source image associated with this compressor |
| instance and output a YUV planar image to the given destination buffer. |
| This method uses the accelerated color conversion routines in TurboJPEG's |
| underlying codec but does not execute any of the other steps in the JPEG |
| compression process. The Y, U (Cb), and V (Cr) image planes are stored |
| sequentially into the destination buffer, and the size of each plane is |
| determined by the width and height of the source image, as well as the |
| specified padding and level of chrominance subsampling. If the |
| chrominance components are subsampled along the horizontal dimension, then |
| the width of the luminance plane is padded to the nearest multiple of 2 in |
| the output image (same goes for the height of the luminance plane, if the |
| chrominance components are subsampled along the vertical dimension.) |
| <p> |
| NOTE: Technically, the JPEG format uses the YCbCr colorspace, but per the |
| convention of the digital video community, the TurboJPEG API uses "YUV" to |
| refer to an image format consisting of Y, Cb, and Cr image planes. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>dstBuf</CODE> - buffer that will receive the YUV planar image. Use |
| <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#bufSizeYUV(int, int, int, int)"><CODE>TJ.bufSizeYUV(int, int, int, int)</CODE></A> to determine the appropriate size for this buffer |
| based on the image width, height, and level of chrominance subsampling.<DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A> |
| <DT><B>Throws:</B> |
| <DD><CODE>java.lang.Exception</CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="encodeYUV(int)"><!-- --></A><H3> |
| encodeYUV</H3> |
| <PRE> |
| public byte[] <B>encodeYUV</B>(int flags) |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD>Encode the uncompressed source image associated with this compressor |
| instance and return a buffer containing a YUV planar image. See |
| <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(byte[], int)"><CODE>encodeYUV(byte[], int)</CODE></A> for more detail. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A> |
| <DT><B>Returns:</B><DD>a buffer containing a YUV planar image |
| <DT><B>Throws:</B> |
| <DD><CODE>java.lang.Exception</CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="encodeYUV(java.awt.image.BufferedImage, byte[], int)"><!-- --></A><H3> |
| encodeYUV</H3> |
| <PRE> |
| public void <B>encodeYUV</B>(java.awt.image.BufferedImage srcImage, |
| byte[] dstBuf, |
| int flags) |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD>Encode the uncompressed source image stored in <code>srcImage</code> |
| and output a YUV planar image to the given destination buffer. See |
| <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(byte[], int)"><CODE>encodeYUV(byte[], int)</CODE></A> for more detail. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - a <code>BufferedImage</code> instance containing RGB or |
| grayscale pixels to be encoded<DD><CODE>dstBuf</CODE> - buffer that will receive the YUV planar image. Use |
| <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#bufSizeYUV(int, int, int, int)"><CODE>TJ.bufSizeYUV(int, int, int, int)</CODE></A> to determine the appropriate size for this buffer |
| based on the image width, height, and level of chrominance subsampling.<DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A> |
| <DT><B>Throws:</B> |
| <DD><CODE>java.lang.Exception</CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="encodeYUV(java.awt.image.BufferedImage, int)"><!-- --></A><H3> |
| encodeYUV</H3> |
| <PRE> |
| public byte[] <B>encodeYUV</B>(java.awt.image.BufferedImage srcImage, |
| int flags) |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD>Encode the uncompressed source image stored in <code>srcImage</code> |
| and return a buffer containing a YUV planar image. See |
| <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(byte[], int)"><CODE>encodeYUV(byte[], int)</CODE></A> for more detail. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - a <code>BufferedImage</code> instance containing RGB or |
| grayscale pixels to be encoded<DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A> |
| <DT><B>Returns:</B><DD>a buffer containing a YUV planar image |
| <DT><B>Throws:</B> |
| <DD><CODE>java.lang.Exception</CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getCompressedSize()"><!-- --></A><H3> |
| getCompressedSize</H3> |
| <PRE> |
| public int <B>getCompressedSize</B>()</PRE> |
| <DL> |
| <DD>Returns the size of the image (in bytes) generated by the most recent |
| compress/encode operation. |
| <P> |
| <DD><DL> |
| |
| <DT><B>Returns:</B><DD>the size of the image (in bytes) generated by the most recent |
| compress/encode operation</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 compressor 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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