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mozjpeg/java/doc/org/libjpegturbo/turbojpeg/TJDecompressor.html
DRC 9a146f0f23 TurboJPEG: Numerous documentation improvements 
- Wordsmithing, formatting, and grammar tweaks

- Various clarifications and corrections, including specifying whether
  a particular buffer or image is used as a source or destination

- Accommodate/mention features that were introduced since the API
  documentation was created.

- For clarity, use "packed-pixel" to describe uncompressed
  source/destination images that are not planar YUV.

- Use "row" rather than "line" to refer to a single horizontal group of
  pixels or component values, for consistency with the libjpeg API
  documentation.  (libjpeg also uses "scanline", which is a more archaic
  term.)

- Use "alignment" rather than "padding" to refer to the number of bytes
  by which a row's width is evenly divisible.  This consistifies the
  documention of the YUV functions and tjLoadImage().  ("Padding"
  typically refers to the number of bytes added to each row, which is
  not the same thing.)

- Remove all references to "the underlying codec."  Although the
  TurboJPEG API originated as a cross-platform wrapper for the Intel
  Integrated Performance Primitives, Sun mediaLib, QuickTime, and
  libjpeg, none of those TurboJPEG implementations has been maintained
  since 2009.  Nothing would prevent someone from implementing the
  TurboJPEG API without libjpeg-turbo, but such an implementation would
  not necessarily have an "underlying codec."  (It could be fully
  self-contained.)

- Use "destination image" rather than "output image", for consistency,
  or describe the type of image that will be output.

- Avoid the term "image buffer" and instead use "byte buffer" to
  refer to buffers that will hold JPEG images, or describe the type of
  image that will be contained in the buffer.  (The Java documentation
  doesn't use "byte buffer", because the buffer arrays literally have
  "byte" in front of them, and since Java doesn't have pointers, it is
  not possible for mere mortals to store any other type of data in those
  arrays.)

- C: Use "unified" to describe YUV images stored in a single buffer, for
  consistency with the Java documentation.

- Use "planar YUV" rather than "YUV planar".  Is is our convention to
  describe images using {component layout} {colorspace/pixel format}
  {image function}, e.g. "packed-pixel RGB source image" or "planar YUV
  destination image."

- C: Document the TurboJPEG API version in which a particular function
  or macro was introduced, and reorder the backward compatibility
  function stubs in turbojpeg.h alphabetically by API version.

- C: Use Markdown rather than HTML tags, where possible, in the Doxygen
  comments.
2023-01-14 17:10:31 -06:00

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<div class="subTitle">org.libjpegturbo.turbojpeg</div>
<h2 title="Class TJDecompressor" class="title">Class TJDecompressor</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
<li>
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<li>org.libjpegturbo.turbojpeg.TJDecompressor</li>
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<dd>java.io.Closeable, java.lang.AutoCloseable</dd>
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<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg">TJTransformer</a></dd>
</dl>
<hr>
<br>
<pre>public class <span class="strong">TJDecompressor</span>
extends java.lang.Object
implements java.io.Closeable</pre>
<div class="block">TurboJPEG decompressor</div>
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<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected long</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#handle">handle</a></strong></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegBuf">jpegBuf</a></strong></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegBufSize">jpegBufSize</a></strong></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegColorspace">jpegColorspace</a></strong></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegHeight">jpegHeight</a></strong></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegSubsamp">jpegSubsamp</a></strong></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegWidth">jpegWidth</a></strong></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a></code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#yuvImage">yuvImage</a></strong></code>&nbsp;</td>
</tr>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#TJDecompressor()">TJDecompressor</a></strong>()</code>
<div class="block">Create a TurboJPEG decompresssor instance.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#TJDecompressor(byte[])">TJDecompressor</a></strong>(byte[]&nbsp;jpegImage)</code>
<div class="block">Create a TurboJPEG decompressor instance and associate the JPEG source
image or "abbreviated table specification" (AKA "tables-only") datastream
stored in <code>jpegImage</code> with the newly created instance.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#TJDecompressor(byte[],%20int)">TJDecompressor</a></strong>(byte[]&nbsp;jpegImage,
int&nbsp;imageSize)</code>
<div class="block">Create a TurboJPEG decompressor instance and associate the JPEG source
image or "abbreviated table specification" (AKA "tables-only") datastream
of length <code>imageSize</code> bytes stored in <code>jpegImage</code>
with the newly created instance.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#TJDecompressor(org.libjpegturbo.turbojpeg.YUVImage)">TJDecompressor</a></strong>(<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;yuvImage)</code>
<div class="block">Create a TurboJPEG decompressor instance and associate the planar YUV
source image stored in <code>yuvImage</code> with the newly created
instance.</div>
</td>
</tr>
</table>
</li>
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<h3>Method Summary</h3>
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<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#close()">close</a></strong>()</code>
<div class="block">Free the native structures associated with this decompressor instance.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(java.awt.image.BufferedImage,%20int)">decompress</a></strong>(java.awt.image.BufferedImage&nbsp;dstImage,
int&nbsp;flags)</code>
<div class="block">Decompress the JPEG source image or decode the planar YUV source image
associated with this decompressor instance and output a packed-pixel
decompressed/decoded image to the given <code>BufferedImage</code>
instance.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[],%20int,%20int,%20int,%20int,%20int)">decompress</a></strong>(byte[]&nbsp;dstBuf,
int&nbsp;desiredWidth,
int&nbsp;pitch,
int&nbsp;desiredHeight,
int&nbsp;pixelFormat,
int&nbsp;flags)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;
<div class="block"><i>Use
<a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[],%20int,%20int,%20int,%20int,%20int,%20int,%20int)"><code>decompress(byte[], int, int, int, int, int, int, int)</code></a> instead.</i></div>
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[],%20int,%20int,%20int,%20int,%20int,%20int,%20int)">decompress</a></strong>(byte[]&nbsp;dstBuf,
int&nbsp;x,
int&nbsp;y,
int&nbsp;desiredWidth,
int&nbsp;pitch,
int&nbsp;desiredHeight,
int&nbsp;pixelFormat,
int&nbsp;flags)</code>
<div class="block">Decompress the JPEG source image or decode the planar YUV source image
associated with this decompressor instance and output a packed-pixel
grayscale, RGB, or CMYK image to the given destination buffer.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int[],%20int,%20int,%20int,%20int,%20int,%20int,%20int)">decompress</a></strong>(int[]&nbsp;dstBuf,
int&nbsp;x,
int&nbsp;y,
int&nbsp;desiredWidth,
int&nbsp;stride,
int&nbsp;desiredHeight,
int&nbsp;pixelFormat,
int&nbsp;flags)</code>
<div class="block">Decompress the JPEG source image or decode the planar YUV source image
associated with this decompressor instance and output a packed-pixel
grayscale, RGB, or CMYK image to the given destination buffer.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>java.awt.image.BufferedImage</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int,%20int,%20int,%20int)">decompress</a></strong>(int&nbsp;desiredWidth,
int&nbsp;desiredHeight,
int&nbsp;bufferedImageType,
int&nbsp;flags)</code>
<div class="block">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 packed-pixel decompressed/decoded image.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int,%20int,%20int,%20int,%20int)">decompress</a></strong>(int&nbsp;desiredWidth,
int&nbsp;pitch,
int&nbsp;desiredHeight,
int&nbsp;pixelFormat,
int&nbsp;flags)</code>
<div class="block">Decompress the JPEG source image or decode the planar YUV source image
associated with this decompressor instance and return a buffer containing
the packed-pixel decompressed image.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(byte[],%20int)">decompressToYUV</a></strong>(byte[]&nbsp;dstBuf,
int&nbsp;flags)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;
<div class="block"><i>Use <a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(org.libjpegturbo.turbojpeg.YUVImage,%20int)"><code>decompressToYUV(YUVImage, int)</code></a> instead.</i></div>
</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(int)">decompressToYUV</a></strong>(int&nbsp;flags)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;
<div class="block"><i>Use <a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(int,%20int,%20int,%20int)"><code>decompressToYUV(int, int, int, int)</code></a> instead.</i></div>
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a></code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(int,%20int[],%20int,%20int)">decompressToYUV</a></strong>(int&nbsp;desiredWidth,
int[]&nbsp;strides,
int&nbsp;desiredHeight,
int&nbsp;flags)</code>
<div class="block">Decompress the JPEG source image associated with this decompressor
instance into a set of Y, U (Cb), and V (Cr) image planes and return a
<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a> instance containing the decompressed image planes.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a></code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(int,%20int,%20int,%20int)">decompressToYUV</a></strong>(int&nbsp;desiredWidth,
int&nbsp;align,
int&nbsp;desiredHeight,
int&nbsp;flags)</code>
<div class="block">Decompress the JPEG source image associated with this decompressor
instance into a unified planar YUV image and return a <a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a>
instance containing the decompressed image.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(org.libjpegturbo.turbojpeg.YUVImage,%20int)">decompressToYUV</a></strong>(<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;dstImage,
int&nbsp;flags)</code>
<div class="block">Decompress the JPEG source image associated with this decompressor
instance into a planar YUV image and store it in the given
<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a> instance.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#finalize()">finalize</a></strong>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getColorspace()">getColorspace</a></strong>()</code>
<div class="block">Returns the colorspace used in the source image (JPEG or YUV) associated
with this decompressor instance.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getHeight()">getHeight</a></strong>()</code>
<div class="block">Returns the height of the source image (JPEG or YUV) associated with this
decompressor instance.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getJPEGBuf()">getJPEGBuf</a></strong>()</code>
<div class="block">Returns the JPEG buffer associated with this decompressor instance.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getJPEGSize()">getJPEGSize</a></strong>()</code>
<div class="block">Returns the size of the JPEG image (in bytes) associated with this
decompressor instance.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledHeight(int,%20int)">getScaledHeight</a></strong>(int&nbsp;desiredWidth,
int&nbsp;desiredHeight)</code>
<div class="block">Returns the height of the largest scaled-down image that the TurboJPEG
decompressor can generate without exceeding the desired image width and
height.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledWidth(int,%20int)">getScaledWidth</a></strong>(int&nbsp;desiredWidth,
int&nbsp;desiredHeight)</code>
<div class="block">Returns the width of the largest scaled-down image that the TurboJPEG
decompressor can generate without exceeding the desired image width and
height.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getSubsamp()">getSubsamp</a></strong>()</code>
<div class="block">Returns the level of chrominance subsampling used in the source image
(JPEG or YUV) associated with this decompressor instance.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getWidth()">getWidth</a></strong>()</code>
<div class="block">Returns the width of the source image (JPEG or YUV) associated with this
decompressor instance.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#setJPEGImage(byte[],%20int)">setJPEGImage</a></strong>(byte[]&nbsp;jpegImage,
int&nbsp;imageSize)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;
<div class="block"><i>Use <a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#setSourceImage(byte[],%20int)"><code>setSourceImage(byte[], int)</code></a> instead.</i></div>
</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#setSourceImage(byte[],%20int)">setSourceImage</a></strong>(byte[]&nbsp;jpegImage,
int&nbsp;imageSize)</code>
<div class="block">Associate the JPEG image or "abbreviated table specification" (AKA
"tables-only") datastream of length <code>imageSize</code> bytes stored in
<code>jpegImage</code> with this decompressor instance.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#setSourceImage(org.libjpegturbo.turbojpeg.YUVImage)">setSourceImage</a></strong>(<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;srcImage)</code>
<div class="block">Associate the specified planar YUV source image with this decompressor
instance.</div>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<pre>protected&nbsp;long handle</pre>
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<pre>protected&nbsp;byte[] jpegBuf</pre>
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<pre>protected&nbsp;int jpegBufSize</pre>
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<pre>protected&nbsp;<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a> yuvImage</pre>
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<pre>protected&nbsp;int jpegWidth</pre>
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<pre>protected&nbsp;int jpegHeight</pre>
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<pre>protected&nbsp;int jpegSubsamp</pre>
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<pre>protected&nbsp;int jpegColorspace</pre>
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<pre>public&nbsp;TJDecompressor()
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Create a TurboJPEG decompresssor instance.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
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<pre>public&nbsp;TJDecompressor(byte[]&nbsp;jpegImage)
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Create a TurboJPEG decompressor instance and associate the JPEG source
image or "abbreviated table specification" (AKA "tables-only") datastream
stored in <code>jpegImage</code> with the newly created instance.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>jpegImage</code> - buffer containing a JPEG source image or tables-only
datastream. (The size of the JPEG image or datastream is assumed to be
the length of the array.) This buffer is not modified.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
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<pre>public&nbsp;TJDecompressor(byte[]&nbsp;jpegImage,
int&nbsp;imageSize)
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Create a TurboJPEG decompressor instance and associate the JPEG source
image or "abbreviated table specification" (AKA "tables-only") datastream
of length <code>imageSize</code> bytes stored in <code>jpegImage</code>
with the newly created instance.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>jpegImage</code> - buffer containing a JPEG source image or tables-only
datastream. This buffer is not modified.</dd><dd><code>imageSize</code> - size of the JPEG source image or tables-only datastream
(in bytes)</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
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<pre>public&nbsp;TJDecompressor(<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;yuvImage)
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Create a TurboJPEG decompressor instance and associate the planar YUV
source image stored in <code>yuvImage</code> with the newly created
instance.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>yuvImage</code> - <a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a> instance containing a planar YUV source
image to be decoded. This image is not modified.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
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<pre>public&nbsp;void&nbsp;setSourceImage(byte[]&nbsp;jpegImage,
int&nbsp;imageSize)
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Associate the JPEG image or "abbreviated table specification" (AKA
"tables-only") datastream of length <code>imageSize</code> bytes stored in
<code>jpegImage</code> with this decompressor instance. If
<code>jpegImage</code> contains a JPEG image, then this image will be used
as the source image for subsequent decompress operations. Passing a
tables-only datastream to this method primes the decompressor with
quantization and Huffman tables that can be used when decompressing
subsequent "abbreviated image" datastreams. This is useful, for instance,
when decompressing video streams in which all frames share the same
quantization and Huffman tables.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>jpegImage</code> - buffer containing a JPEG source image or tables-only
datastream. This buffer is not modified.</dd><dd><code>imageSize</code> - size of the JPEG source image or tables-only datastream
(in bytes)</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
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<pre>@Deprecated
public&nbsp;void&nbsp;setJPEGImage(byte[]&nbsp;jpegImage,
int&nbsp;imageSize)
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;<i>Use <a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#setSourceImage(byte[],%20int)"><code>setSourceImage(byte[], int)</code></a> instead.</i></div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
</li>
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<pre>public&nbsp;void&nbsp;setSourceImage(<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;srcImage)</pre>
<div class="block">Associate the specified planar YUV source image with this decompressor
instance. Subsequent decompress operations will decode this image into a
packed-pixel RGB or grayscale destination image.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>srcImage</code> - <a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a> instance containing a planar YUV source
image to be decoded. This image is not modified.</dd></dl>
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<pre>public&nbsp;int&nbsp;getWidth()</pre>
<div class="block">Returns the width of the source image (JPEG or YUV) associated with this
decompressor instance.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the width of the source image (JPEG or YUV) associated with this
decompressor instance.</dd></dl>
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<pre>public&nbsp;int&nbsp;getHeight()</pre>
<div class="block">Returns the height of the source image (JPEG or YUV) associated with this
decompressor instance.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the height of the source image (JPEG or YUV) associated with this
decompressor instance.</dd></dl>
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<pre>public&nbsp;int&nbsp;getSubsamp()</pre>
<div class="block">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>.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the level of chrominance subsampling used in the source image
(JPEG or YUV) associated with this decompressor instance.</dd></dl>
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<pre>public&nbsp;int&nbsp;getColorspace()</pre>
<div class="block">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>.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the colorspace used in the source image (JPEG or YUV) associated
with this decompressor instance.</dd></dl>
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<pre>public&nbsp;byte[]&nbsp;getJPEGBuf()</pre>
<div class="block">Returns the JPEG buffer associated with this decompressor instance.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the JPEG buffer associated with this decompressor instance.</dd></dl>
</li>
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<pre>public&nbsp;int&nbsp;getJPEGSize()</pre>
<div class="block">Returns the size of the JPEG image (in bytes) associated with this
decompressor instance.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the size of the JPEG image (in bytes) associated with this
decompressor instance.</dd></dl>
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<pre>public&nbsp;int&nbsp;getScaledWidth(int&nbsp;desiredWidth,
int&nbsp;desiredHeight)</pre>
<div class="block">Returns the width of the largest scaled-down image that the TurboJPEG
decompressor can generate without exceeding the desired image width and
height.</div>
<dl><dt><span class="strong">Parameters:</span></dt><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><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.)</dd>
<dt><span class="strong">Returns:</span></dt><dd>the width of the largest scaled-down image that the TurboJPEG
decompressor can generate without exceeding the desired image width and
height.</dd></dl>
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<pre>public&nbsp;int&nbsp;getScaledHeight(int&nbsp;desiredWidth,
int&nbsp;desiredHeight)</pre>
<div class="block">Returns the height of the largest scaled-down image that the TurboJPEG
decompressor can generate without exceeding the desired image width and
height.</div>
<dl><dt><span class="strong">Parameters:</span></dt><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><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.)</dd>
<dt><span class="strong">Returns:</span></dt><dd>the height of the largest scaled-down image that the TurboJPEG
decompressor can generate without exceeding the desired image width and
height.</dd></dl>
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<h4>decompress</h4>
<pre>public&nbsp;void&nbsp;decompress(byte[]&nbsp;dstBuf,
int&nbsp;x,
int&nbsp;y,
int&nbsp;desiredWidth,
int&nbsp;pitch,
int&nbsp;desiredHeight,
int&nbsp;pixelFormat,
int&nbsp;flags)
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the JPEG source image or decode the planar YUV source image
associated with this decompressor instance and output a packed-pixel
grayscale, RGB, or CMYK image to the given destination buffer.
<p>
NOTE: The destination image is fully recoverable if this method throws a
non-fatal <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg"><code>TJException</code></a> (unless
<a href="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_STOPONWARNING"><code>TJ.FLAG_STOPONWARNING</code></a> is specified.)</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>dstBuf</code> - buffer that will receive the packed-pixel
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.</code><a href="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getScaled(int)"><code>getScaled</code></a><code>(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,%20int)"><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><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><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><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><dd><code>pitch</code> - bytes per row in the destination image. Normally this should
be set to <code>scaledWidth * TJ.pixelSize(pixelFormat)</code>, if the
destination image will be unpadded. However, you can use this to, for
instance, pad each row of the destination image to the nearest multiple of
4 bytes 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.</code><a href="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getScaled(int)"><code>getScaled</code></a><code>(jpegWidth)</code>
or by calling <a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledWidth(int,%20int)"><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><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><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><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></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
</li>
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<pre>@Deprecated
public&nbsp;void&nbsp;decompress(byte[]&nbsp;dstBuf,
int&nbsp;desiredWidth,
int&nbsp;pitch,
int&nbsp;desiredHeight,
int&nbsp;pixelFormat,
int&nbsp;flags)
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;<i>Use
<a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[],%20int,%20int,%20int,%20int,%20int,%20int,%20int)"><code>decompress(byte[], int, int, int, int, int, int, int)</code></a> instead.</i></div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
</li>
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<pre>public&nbsp;byte[]&nbsp;decompress(int&nbsp;desiredWidth,
int&nbsp;pitch,
int&nbsp;desiredHeight,
int&nbsp;pixelFormat,
int&nbsp;flags)
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the JPEG source image or decode the planar YUV source image
associated with this decompressor instance and return a buffer containing
the packed-pixel decompressed image.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>desiredWidth</code> - see
<a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[],%20int,%20int,%20int,%20int,%20int,%20int,%20int)"><code>decompress(byte[], int, int, int, int, int, int, int)</code></a>
for description</dd><dd><code>pitch</code> - see
<a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[],%20int,%20int,%20int,%20int,%20int,%20int,%20int)"><code>decompress(byte[], int, int, int, int, int, int, int)</code></a>
for description</dd><dd><code>desiredHeight</code> - see
<a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[],%20int,%20int,%20int,%20int,%20int,%20int,%20int)"><code>decompress(byte[], int, int, int, int, int, int, int)</code></a>
for description</dd><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><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></dd>
<dt><span class="strong">Returns:</span></dt><dd>a buffer containing the packed-pixel decompressed image.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
</li>
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<pre>public&nbsp;void&nbsp;decompressToYUV(<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;dstImage,
int&nbsp;flags)
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the JPEG source image associated with this decompressor
instance into a planar YUV image and store it in the given
<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a> instance. This method performs JPEG decompression but
leaves out the color conversion step, so a planar YUV image is generated
instead of a packed-pixel image. This method cannot be used to decompress
JPEG source images with the CMYK or YCCK colorspace.
<p>
NOTE: The planar YUV destination image is fully recoverable if this method
throws a non-fatal <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg"><code>TJException</code></a> (unless
<a href="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_STOPONWARNING"><code>TJ.FLAG_STOPONWARNING</code></a> is specified.)</div>
<dl><dt><span class="strong">Parameters:</span></dt><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 planar YUV
decompressed image. The level of subsampling specified in this
<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a> instance must match that of the JPEG image, and the width
and height specified in the <a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a> instance must match one of
the scaled image sizes that the decompressor is capable of generating from
the JPEG source image.</dd><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></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
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<pre>@Deprecated
public&nbsp;void&nbsp;decompressToYUV(byte[]&nbsp;dstBuf,
int&nbsp;flags)
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;<i>Use <a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(org.libjpegturbo.turbojpeg.YUVImage,%20int)"><code>decompressToYUV(YUVImage, int)</code></a> instead.</i></div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
</li>
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<pre>public&nbsp;<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;decompressToYUV(int&nbsp;desiredWidth,
int[]&nbsp;strides,
int&nbsp;desiredHeight,
int&nbsp;flags)
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the JPEG source image associated with this decompressor
instance into a set of Y, U (Cb), and V (Cr) image planes and return a
<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a> instance containing the decompressed image planes. This
method performs JPEG decompression but leaves out the color conversion
step, so a planar YUV image is generated instead of a packed-pixel image.
This method cannot be used to decompress JPEG source images with the CMYK
or YCCK colorspace.</div>
<dl><dt><span class="strong">Parameters:</span></dt><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><dd><code>strides</code> - an array of integers, each specifying the number of bytes
per row in the corresponding plane of the YUV image. Setting the stride
for any plane to 0 is the same as setting it to the scaled plane width
(see <a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a>.) If <code>strides</code> is null, then the strides
for all planes will be set to their respective scaled plane widths. You
can adjust the strides in order to add an arbitrary amount of row padding
to each plane.</dd><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><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></dd>
<dt><span class="strong">Returns:</span></dt><dd>a <a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a> instance containing the decompressed image
planes</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
</li>
</ul>
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<h4>decompressToYUV</h4>
<pre>public&nbsp;<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;decompressToYUV(int&nbsp;desiredWidth,
int&nbsp;align,
int&nbsp;desiredHeight,
int&nbsp;flags)
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the JPEG source image associated with this decompressor
instance into a unified planar YUV image and return a <a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a>
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 a packed-pixel image. This method cannot be
used to decompress JPEG source images with the CMYK or YCCK colorspace.</div>
<dl><dt><span class="strong">Parameters:</span></dt><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><dd><code>align</code> - row alignment (in bytes) of the YUV image (must be a power of
2.) Setting this parameter to n will cause each row in each plane of the
YUV image to be padded to the nearest multiple of n bytes (1 = unpadded.)</dd><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><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></dd>
<dt><span class="strong">Returns:</span></dt><dd>a <a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a> instance containing the unified planar YUV
decompressed image</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
</li>
</ul>
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<pre>@Deprecated
public&nbsp;byte[]&nbsp;decompressToYUV(int&nbsp;flags)
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;<i>Use <a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(int,%20int,%20int,%20int)"><code>decompressToYUV(int, int, int, int)</code></a> instead.</i></div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
</li>
</ul>
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<h4>decompress</h4>
<pre>public&nbsp;void&nbsp;decompress(int[]&nbsp;dstBuf,
int&nbsp;x,
int&nbsp;y,
int&nbsp;desiredWidth,
int&nbsp;stride,
int&nbsp;desiredHeight,
int&nbsp;pixelFormat,
int&nbsp;flags)
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the JPEG source image or decode the planar YUV source image
associated with this decompressor instance and output a packed-pixel
grayscale, RGB, or CMYK image to the given destination buffer.
<p>
NOTE: The destination image is fully recoverable if this method throws a
non-fatal <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg"><code>TJException</code></a> (unless
<a href="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_STOPONWARNING"><code>TJ.FLAG_STOPONWARNING</code></a> is specified.)</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>dstBuf</code> - buffer that will receive the packed-pixel
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.</code><a href="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getScaled(int)"><code>getScaled</code></a><code>(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,%20int)"><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><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><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><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><dd><code>stride</code> - pixels per row in 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.</code><a href="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getScaled(int)"><code>getScaled</code></a><code>(jpegWidth)</code>
or by calling <a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledWidth(int,%20int)"><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><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><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><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></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
</li>
</ul>
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<h4>decompress</h4>
<pre>public&nbsp;void&nbsp;decompress(java.awt.image.BufferedImage&nbsp;dstImage,
int&nbsp;flags)
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the JPEG source image or decode the planar YUV source image
associated with this decompressor instance and output a packed-pixel
decompressed/decoded image to the given <code>BufferedImage</code>
instance.
<p>
NOTE: The destination image is fully recoverable if this method throws a
non-fatal <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg"><code>TJException</code></a> (unless
<a href="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_STOPONWARNING"><code>TJ.FLAG_STOPONWARNING</code></a> is specified.)</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>dstImage</code> - a <code>BufferedImage</code> instance that will receive
the packed-pixel 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 the decompressor 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><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></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
</li>
</ul>
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<h4>decompress</h4>
<pre>public&nbsp;java.awt.image.BufferedImage&nbsp;decompress(int&nbsp;desiredWidth,
int&nbsp;desiredHeight,
int&nbsp;bufferedImageType,
int&nbsp;flags)
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">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 packed-pixel decompressed/decoded image.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>desiredWidth</code> - see
<a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[],%20int,%20int,%20int,%20int,%20int,%20int,%20int)"><code>decompress(byte[], int, int, int, int, int, int, int)</code></a> for
description</dd><dd><code>desiredHeight</code> - see
<a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[],%20int,%20int,%20int,%20int,%20int,%20int,%20int)"><code>decompress(byte[], int, int, int, int, int, int, int)</code></a> for
description</dd><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><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></dd>
<dt><span class="strong">Returns:</span></dt><dd>a <code>BufferedImage</code> instance containing the packed-pixel
decompressed/decoded image.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
</li>
</ul>
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<h4>close</h4>
<pre>public&nbsp;void&nbsp;close()
throws <a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Free the native structures associated with this decompressor instance.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code>close</code>&nbsp;in interface&nbsp;<code>java.io.Closeable</code></dd>
<dt><strong>Specified by:</strong></dt>
<dd><code>close</code>&nbsp;in interface&nbsp;<code>java.lang.AutoCloseable</code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../org/libjpegturbo/turbojpeg/TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd></dl>
</li>
</ul>
<a name="finalize()">
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</a>
<ul class="blockListLast">
<li class="blockList">
<h4>finalize</h4>
<pre>protected&nbsp;void&nbsp;finalize()
throws java.lang.Throwable</pre>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code>finalize</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.Throwable</code></dd></dl>
</li>
</ul>
</li>
</ul>
</li>
</ul>
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