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fc01f4673b71c0b833c59c21e8c4478a9c4bcf21
mozjpeg/java/doc/org/libjpegturbo/turbojpeg/TJDecompressor.html
DRC fc01f4673b TurboJPEG 3 API overhaul 
(ChangeLog update forthcoming)

- Prefix all function names with "tj3" and remove version suffixes from
  function names.  (Future API overhauls will increment the prefix to
  "tj4", etc., thus retaining backward API/ABI compatibility without
  versioning each individual function.)

- Replace stateless boolean flags (including TJ*FLAG_ARITHMETIC and
  TJ*FLAG_LOSSLESS, which were never released) with stateful integer
  parameters, the value of which persists between function calls.
  * Use parameters for the JPEG quality and subsampling as well, in
    order to eliminate the awkwardness of specifying function arguments
    that weren't relevant for lossless compression.
  * tj3DecompressHeader() now stores all relevant information about the
    JPEG image, including the width, height, subsampling type, entropy
    coding type, etc. in parameters rather than returning that
    information in its arguments.
  * TJ*FLAG_LIMITSCANS has been reimplemented as an integer parameter
    (TJ*PARAM_SCANLIMIT) that allows the number of scans to be
    specified.

- Use the const keyword for all pointer arguments to unmodified
  buffers, as well as for both dimensions of 2D pointers.  Addresses
  #395.

- Use size_t rather than unsigned long to represent buffer sizes, since
  unsigned long is a 32-bit type on Windows.  Addresses #24.

- Return 0 from all buffer size functions if an error occurs, rather
  than awkwardly trying to return -1 in an unsigned data type.

- Implement 12-bit and 16-bit data precision using dedicated
  compression, decompression, and image I/O functions/methods.
  * Suffix the names of all data-precision-specific functions with 8,
    12, or 16.
  * Because the YUV functions are intended to be used for video, they
    are currently only implemented with 8-bit data precision, but they
    can be expanded to 12-bit data precision in the future, if
    necessary.
  * Extend TJUnitTest and TJBench to test 12-bit and 16-bit data
    precision, using a new -precision option.
  * Add appropriate regression tests for all of the above to the 'test'
    target.
  * Extend tjbenchtest to test 12-bit and 16-bit data precision, and
    add separate 'tjtest12' and 'tjtest16' targets.
  * BufferedImage I/O in the Java API is currently limited to 8-bit
    data precision, since the BufferedImage class does not
    straightforwardly support higher data precisions.
  * Extend the PPM reader to convert 12-bit and 16-bit PBMPLUS files
    to grayscale or CMYK pixels, as it already does for 8-bit files.

- Properly accommodate lossless JPEG using dedicated parameters
  (TJ*PARAM_LOSSLESS, TJ*PARAM_LOSSLESSPSV, and TJ*PARAM_LOSSLESSPT),
  rather than using a flag and awkwardly repurposing the JPEG quality.
  Update TJBench to properly reflect whether a JPEG image is lossless.

- Re-organize the TJBench usage screen.

- Update the Java docs using Java 11, to improve the formatting and
  eliminate HTML frames.

- Use the accurate integer DCT algorithm by default for both
  compression and decompression, since the "fast" algorithm is a legacy
  feature, it does not pass the ISO compliance tests, and it is not
  actually faster on modern x86 CPUs.
  * Remove the -accuratedct option from TJBench and TJExample.

- Re-implement the 'tjtest' target using a CMake script that enables
  the appropriate tests, depending on the data precision and whether or
  not the Java API is part of the build.

- Consolidate the C and Java versions of tjbenchtest into one script.

- Consolidate the C and Java versions of tjexampletest into one script.

- Combine all initialization functions into a single function
  (tj3Init()) that accepts an integer parameter specifying the
  subsystems to initialize.

- Enable decompression scaling explicitly, using a new function/method
  (tj3SetScalingFactor()/TJDecompressor.setScalingFactor()), rather
  than implicitly using awkward "desired width"/"desired height"
  parameters.

- Introduce a new macro/constant (TJUNSCALED/TJ.UNSCALED) that maps to
  a scaling factor of 1/1.

- Implement partial image decompression, using a new function/method
  (tj3SetCroppingRegion()/TJDecompressor.setCroppingRegion()) and
  TJBench option (-crop).  Extend tjbenchtest to test the new feature.
  Addresses #1.

- Allow the JPEG colorspace to be specified explicitly when
  compressing, using a new parameter (TJ*PARAM_COLORSPACE).  This
  allows JPEG images with the RGB and CMYK colorspaces to be created.

- Remove the error/difference image feature from TJBench.  Identical
  images to the ones that TJBench created can be generated using
  ImageMagick with
  'magick composite <original_image> <output_image> -compose difference <diff_image>'

- Handle JPEG images with unknown subsampling types.  TJ*PARAM_SUBSAMP
  is set to TJ*SAMP_UNKNOWN (== -1) for such images, but they can still
  be decompressed fully into packed-pixel images or losslessly
  transformed (with the exception of lossless cropping.)  They cannot
  be partially decompressed or decompressed into planar YUV images.
  Note also that TJBench, due to its lack of support for imperfect
  transforms, requires that the subsampling type be known when
  rotating, flipping, or transversely transposing an image.  Addresses
  #436

- The Java version of TJBench now has identical functionality to the C
  version.  This was accomplished by (somewhat hackishly) calling the
  TurboJPEG C image I/O functions through JNI and copying the pixels
  between the C heap and the Java heap.

- Add parameters (TJ*PARAM_RESTARTROWS and TJ*PARAM_RESTARTBLOCKS) and
  a TJBench option (-restart) to allow the restart marker interval to
  be specified when compressing.  Eliminate the undocumented TJ_RESTART
  environment variable.

- Add a parameter (TJ*PARAM_OPTIMIZE), a transform option
  (TJ*OPT_OPTIMIZE), and a TJBench option (-optimize) to allow
  optimized baseline Huffman coding to be specified when compressing.
  Eliminate the undocumented TJ_OPTIMIZE environment variable.

- Add parameters (TJ*PARAM_XDENSITY, TJ*PARAM_DENSITY, and
  TJ*DENSITYUNITS) to allow the pixel density to be specified when
  compressing or saving a Windows BMP image and to be queried when
  decompressing or loading a Windows BMP image.  Addresses #77.

- Refactor the fuzz targets to use the new API.
  * Extend decompression coverage to 12-bit and 16-bit data precision.
  * Replace the awkward cjpeg12 and cjpeg16 targets with proper
    TurboJPEG-based compress12, compress12-lossless, and
    compress16-lossless targets

- Fix innocuous UBSan warnings uncovered by the new fuzzers.

- Implement previous versions of the TurboJPEG API by wrapping the new
  functions (tested by running the 2.1.x versions of TJBench, via
  tjbenchtest, and TJUnitTest against the new implementation.)
  * Remove all JNI functions for deprecated Java methods and implement
    the deprecated methods using pure Java wrappers.  It should be
    understood that backward API compatibility in Java applies only to
    the Java classes and that one cannot mix and match a JAR file from
    one version of libjpeg-turbo with a JNI library from another
    version.

- tj3Destroy() now silently accepts a NULL handle.

- tj3Alloc() and tj3Free() now return/accept void pointers, as malloc()
  and free() do.

- The image I/O functions now accept a TurboJPEG instance handle, which
  is used to transmit/receive parameters and to receive error
  information.

Closes #517
2023-01-25 19:09:34 -06:00

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<h2 title="Class TJDecompressor" class="title">Class TJDecompressor</h2>
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<li>java.lang.Object</li>
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<dd><code><a href="TJTransformer.html" title="class in org.libjpegturbo.turbojpeg">TJTransformer</a></code></dd>
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<hr>
<pre>public class <span class="typeNameLabel">TJDecompressor</span>
extends java.lang.Object
implements java.io.Closeable</pre>
<div class="block">TurboJPEG decompressor</div>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
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<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">TJDecompressor</a></span>()</code></th>
<td class="colLast">
<div class="block">Create a TurboJPEG decompresssor instance.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(byte%5B%5D)">TJDecompressor</a></span>&#8203;(byte[]&nbsp;jpegImage)</code></th>
<td class="colLast">
<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">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(byte%5B%5D,int)">TJDecompressor</a></span>&#8203;(byte[]&nbsp;jpegImage,
int&nbsp;imageSize)</code></th>
<td class="colLast">
<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">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.libjpegturbo.turbojpeg.YUVImage)">TJDecompressor</a></span>&#8203;(<a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;yuvImage)</code></th>
<td class="colLast">
<div class="block">Create a TurboJPEG decompressor instance and associate the
8-bit-per-sample planar YUV source image stored in <code>yuvImage</code>
with the newly created instance.</div>
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<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#close()">close</a></span>()</code></th>
<td class="colLast">
<div class="block">Free the native structures associated with this decompressor instance.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompress(byte%5B%5D,int,int,int,int,int,int,int)">decompress</a></span>&#8203;(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></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#set(int,int)"><code>set()</code></a>,
<a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, and
<a href="#decompress8(byte%5B%5D,int,int,int,int)"><code>decompress8(byte[], int, int, int, int)</code></a> instead.</div>
</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompress(int%5B%5D,int,int,int,int,int,int,int)">decompress</a></span>&#8203;(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></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#set(int,int)"><code>set()</code></a>, <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, and <a href="#decompress8(int%5B%5D,int,int,int,int)"><code>decompress8(int[], int, int, int, int)</code></a>
instead.</div>
</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>java.awt.image.BufferedImage</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompress(int,int,int,int)">decompress</a></span>&#8203;(int&nbsp;desiredWidth,
int&nbsp;desiredHeight,
int&nbsp;bufferedImageType,
int&nbsp;flags)</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#set(int,int)"><code>set()</code></a>, <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, and <a href="#decompress8(int)"><code>decompress8(int)</code></a> instead.</div>
</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>byte[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompress(int,int,int,int,int)">decompress</a></span>&#8203;(int&nbsp;desiredWidth,
int&nbsp;pitch,
int&nbsp;desiredHeight,
int&nbsp;pixelFormat,
int&nbsp;flags)</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#set(int,int)"><code>set()</code></a>,
<a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, and
<a href="#decompress8(int,int)"><code>decompress8(int, int)</code></a> instead.</div>
</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompress(java.awt.image.BufferedImage,int)">decompress</a></span>&#8203;(java.awt.image.BufferedImage&nbsp;dstImage,
int&nbsp;flags)</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#set(int,int)"><code>set()</code></a>, <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, and <a href="#decompress8(java.awt.image.BufferedImage)"><code>decompress8(BufferedImage)</code></a> instead.</div>
</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>short[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompress12(int,int)">decompress12</a></span>&#8203;(int&nbsp;pitch,
int&nbsp;pixelFormat)</code></th>
<td class="colLast">
<div class="block">Decompress the 12-bit-per-sample JPEG source image associated with this
decompressor instance and return a buffer containing a 12-bit-per-sample
packed-pixel decompressed image.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompress12(short%5B%5D,int,int,int,int)">decompress12</a></span>&#8203;(short[]&nbsp;dstBuf,
int&nbsp;x,
int&nbsp;y,
int&nbsp;pitch,
int&nbsp;pixelFormat)</code></th>
<td class="colLast">
<div class="block">Decompress the 12-bit-per-sample JPEG source image associated with this
decompressor instance and output a 12-bit-per-sample packed-pixel
grayscale, RGB, or CMYK image to the given destination buffer.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>short[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompress16(int,int)">decompress16</a></span>&#8203;(int&nbsp;pitch,
int&nbsp;pixelFormat)</code></th>
<td class="colLast">
<div class="block">Decompress the 16-bit-per-sample JPEG source image associated with this
decompressor instance and return a buffer containing a 16-bit-per-sample
packed-pixel decompressed image.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompress16(short%5B%5D,int,int,int,int)">decompress16</a></span>&#8203;(short[]&nbsp;dstBuf,
int&nbsp;x,
int&nbsp;y,
int&nbsp;pitch,
int&nbsp;pixelFormat)</code></th>
<td class="colLast">
<div class="block">Decompress the 16-bit-per-sample lossless JPEG source image associated
with this decompressor instance and output a 16-bit-per-sample
packed-pixel grayscale, RGB, or CMYK image to the given destination
buffer.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompress8(byte%5B%5D,int,int,int,int)">decompress8</a></span>&#8203;(byte[]&nbsp;dstBuf,
int&nbsp;x,
int&nbsp;y,
int&nbsp;pitch,
int&nbsp;pixelFormat)</code></th>
<td class="colLast">
<div class="block">Decompress the 8-bit-per-sample JPEG source image or decode the planar YUV
source image associated with this decompressor instance and output an
8-bit-per-sample packed-pixel grayscale, RGB, or CMYK image to the given
destination buffer.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>java.awt.image.BufferedImage</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompress8(int)">decompress8</a></span>&#8203;(int&nbsp;bufferedImageType)</code></th>
<td class="colLast">
<div class="block">Decompress the 8-bit-per-sample JPEG source image or decode the planar YUV
source image associated with this decompressor instance and return a
<code>BufferedImage</code> instance containing the 8-bit-per-sample
packed-pixel decompressed/decoded image.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompress8(int%5B%5D,int,int,int,int)">decompress8</a></span>&#8203;(int[]&nbsp;dstBuf,
int&nbsp;x,
int&nbsp;y,
int&nbsp;stride,
int&nbsp;pixelFormat)</code></th>
<td class="colLast">
<div class="block">Decompress the 8-bit-per-sample JPEG source image or decode the planar YUV
source image associated with this decompressor instance and output an
8-bit-per-sample packed-pixel grayscale, RGB, or CMYK image to the given
destination buffer.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>byte[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompress8(int,int)">decompress8</a></span>&#8203;(int&nbsp;pitch,
int&nbsp;pixelFormat)</code></th>
<td class="colLast">
<div class="block">Decompress the 8-bit-per-sample JPEG source image or decode the planar YUV
source image associated with this decompressor instance and return a
buffer containing an 8-bit-per-sample packed-pixel decompressed image.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompress8(java.awt.image.BufferedImage)">decompress8</a></span>&#8203;(java.awt.image.BufferedImage&nbsp;dstImage)</code></th>
<td class="colLast">
<div class="block">Decompress the 8-bit-per-sample JPEG source image or decode the planar YUV
source image associated with this decompressor instance and output an
8-bit-per-sample packed-pixel decompressed/decoded image to the given
<code>BufferedImage</code> instance.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code><a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompressToYUV(int)">decompressToYUV</a></span>&#8203;(int&nbsp;align)</code></th>
<td class="colLast">
<div class="block">Decompress the 8-bit-per-sample JPEG source image associated with this
decompressor instance into an 8-bit-per-sample unified planar YUV image
and return a <a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a> instance containing the decompressed image.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code><a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompressToYUV(int%5B%5D)">decompressToYUV</a></span>&#8203;(int[]&nbsp;strides)</code></th>
<td class="colLast">
<div class="block">Decompress the 8-bit-per-sample JPEG source image associated with this
decompressor instance into a set of 8-bit-per-sample Y, U (Cb), and V (Cr)
image planes and return a <a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a> instance containing the
decompressed image planes.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code><a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompressToYUV(int,int%5B%5D,int,int)">decompressToYUV</a></span>&#8203;(int&nbsp;desiredWidth,
int[]&nbsp;strides,
int&nbsp;desiredHeight,
int&nbsp;flags)</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#set(int,int)"><code>set()</code></a>, <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, and <a href="#decompressToYUV(int%5B%5D)"><code>decompressToYUV(int[])</code></a> instead.</div>
</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code><a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompressToYUV(int,int,int,int)">decompressToYUV</a></span>&#8203;(int&nbsp;desiredWidth,
int&nbsp;align,
int&nbsp;desiredHeight,
int&nbsp;flags)</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#set(int,int)"><code>set()</code></a>, <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, and <a href="#decompressToYUV(int)"><code>decompressToYUV(int)</code></a> instead.</div>
</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompressToYUV(org.libjpegturbo.turbojpeg.YUVImage)">decompressToYUV</a></span>&#8203;(<a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;dstImage)</code></th>
<td class="colLast">
<div class="block">Decompress the 8-bit-per-sample JPEG source image associated with this
decompressor instance into an 8-bit-per-sample planar YUV image and store
it in the given <a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a> instance.</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decompressToYUV(org.libjpegturbo.turbojpeg.YUVImage,int)">decompressToYUV</a></span>&#8203;(<a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;dstImage,
int&nbsp;flags)</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#set(int,int)"><code>set()</code></a>, <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, and <a href="#decompressToYUV(org.libjpegturbo.turbojpeg.YUVImage)"><code>decompressToYUV(YUVImage)</code></a> instead.</div>
</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#finalize()">finalize</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#get(int)">get</a></span>&#8203;(int&nbsp;param)</code></th>
<td class="colLast">
<div class="block">Get the value of a decompression parameter.</div>
</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getColorspace()">getColorspace</a></span>()</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <code><a href="#get(int)"><code>get</code></a>(<a href="TJ.html#PARAM_COLORSPACE"><code>TJ.PARAM_COLORSPACE</code></a>)</code>
instead.</div>
</div>
</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getHeight()">getHeight</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the height of the source image (JPEG or YUV) associated with this
decompressor instance.</div>
</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>byte[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getJPEGBuf()">getJPEGBuf</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the JPEG buffer associated with this decompressor instance.</div>
</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getJPEGSize()">getJPEGSize</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the size of the JPEG image (in bytes) associated with this
decompressor instance.</div>
</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getScaledHeight(int,int)">getScaledHeight</a></span>&#8203;(int&nbsp;desiredWidth,
int&nbsp;desiredHeight)</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a> and
<a href="TJScalingFactor.html#getScaled(int)"><code>TJScalingFactor.getScaled()</code></a> instead.</div>
</div>
</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getScaledWidth(int,int)">getScaledWidth</a></span>&#8203;(int&nbsp;desiredWidth,
int&nbsp;desiredHeight)</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a> and
<a href="TJScalingFactor.html#getScaled(int)"><code>TJScalingFactor.getScaled()</code></a> instead.</div>
</div>
</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSubsamp()">getSubsamp</a></span>()</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <code><a href="#get(int)"><code>get</code></a>(<a href="TJ.html#PARAM_SUBSAMP"><code>TJ.PARAM_SUBSAMP</code></a>)</code>
instead.</div>
</div>
</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getWidth()">getWidth</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the width of the source image (JPEG or YUV) associated with this
decompressor instance.</div>
</td>
</tr>
<tr id="i31" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#set(int,int)">set</a></span>&#8203;(int&nbsp;param,
int&nbsp;value)</code></th>
<td class="colLast">
<div class="block">Set the value of a decompression parameter.</div>
</td>
</tr>
<tr id="i32" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setCroppingRegion(java.awt.Rectangle)">setCroppingRegion</a></span>&#8203;(java.awt.Rectangle&nbsp;croppingRegion)</code></th>
<td class="colLast">
<div class="block">Set the cropping region for partially decompressing a lossy JPEG image
into a packed-pixel image.</div>
</td>
</tr>
<tr id="i33" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)">setScalingFactor</a></span>&#8203;(<a href="TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</a>&nbsp;scalingFactor)</code></th>
<td class="colLast">
<div class="block">Set the scaling factor for subsequent lossy decompression operations.</div>
</td>
</tr>
<tr id="i34" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setSourceImage(byte%5B%5D,int)">setSourceImage</a></span>&#8203;(byte[]&nbsp;jpegImage,
int&nbsp;imageSize)</code></th>
<td class="colLast">
<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 id="i35" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setSourceImage(org.libjpegturbo.turbojpeg.YUVImage)">setSourceImage</a></span>&#8203;(<a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;srcImage)</code></th>
<td class="colLast">
<div class="block">Associate the specified planar YUV source image with this decompressor
instance.</div>
</td>
</tr>
</table>
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</a>
<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
</ul>
</li>
</ul>
</section>
</li>
</ul>
</div>
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<a id="&lt;init&gt;()">
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<h4>TJDecompressor</h4>
<pre>public&nbsp;TJDecompressor()
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Create a TurboJPEG decompresssor instance.</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
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<h4>TJDecompressor</h4>
<pre>public&nbsp;TJDecompressor&#8203;(byte[]&nbsp;jpegImage)
throws <a href="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. Refer
to <a href="#setSourceImage(byte%5B%5D,int)"><code>setSourceImage(byte[], int)</code></a> for more details.</div>
<dl>
<dt><span class="paramLabel">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="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
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<h4>TJDecompressor</h4>
<pre>public&nbsp;TJDecompressor&#8203;(byte[]&nbsp;jpegImage,
int&nbsp;imageSize)
throws <a href="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. Refer to
<a href="#setSourceImage(byte%5B%5D,int)"><code>setSourceImage(byte[], int)</code></a> for more details.</div>
<dl>
<dt><span class="paramLabel">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="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
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<h4>TJDecompressor</h4>
<pre>public&nbsp;TJDecompressor&#8203;(<a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;yuvImage)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Create a TurboJPEG decompressor instance and associate the
8-bit-per-sample planar YUV source image stored in <code>yuvImage</code>
with the newly created instance. Refer to
<a href="#setSourceImage(org.libjpegturbo.turbojpeg.YUVImage)"><code>setSourceImage(YUVImage)</code></a> for more details.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>yuvImage</code> - <a href="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="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
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</ul>
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<a id="setSourceImage(byte[],int)">
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<h4>setSourceImage</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setSourceImage&#8203;(byte[]&nbsp;jpegImage,
int&nbsp;imageSize)
throws <a href="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 decompression 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. If a JPEG image is passed to this
method, then the <a href="TJ.html#PARAM_STOPONWARNING"><code>parameters</code></a> that describe
the JPEG image will be set when the method returns.</div>
<dl>
<dt><span class="paramLabel">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="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
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<h4>setSourceImage</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setSourceImage&#8203;(<a href="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 decompression operations will decode this image into
a packed-pixel RGB or grayscale destination image. This method sets
<a href="TJ.html#PARAM_SUBSAMP"><code>TJ.PARAM_SUBSAMP</code></a> to the chrominance subsampling level of the
source image.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>srcImage</code> - <a href="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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<h4>getWidth</h4>
<pre class="methodSignature">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="returnLabel">Returns:</span></dt>
<dd>the width of the source image (JPEG or YUV) associated with this
decompressor instance.</dd>
</dl>
</li>
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<h4>getHeight</h4>
<pre class="methodSignature">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="returnLabel">Returns:</span></dt>
<dd>the height of the source image (JPEG or YUV) associated with this
decompressor instance.</dd>
</dl>
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<h4>set</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;set&#8203;(int&nbsp;param,
int&nbsp;value)</pre>
<div class="block">Set the value of a decompression parameter.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>param</code> - one of <a href="TJ.html#PARAM_STOPONWARNING"><code>TJ.PARAM_*</code></a></dd>
<dd><code>value</code> - value of the decompression parameter (refer to
<a href="TJ.html#PARAM_STOPONWARNING"><code>parameter documentation</code></a>)</dd>
</dl>
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<h4>get</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;get&#8203;(int&nbsp;param)</pre>
<div class="block">Get the value of a decompression parameter.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>param</code> - one of <a href="TJ.html#PARAM_STOPONWARNING"><code>TJ.PARAM_*</code></a></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the value of the specified decompression parameter, or -1 if the
value is unknown.</dd>
</dl>
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<h4>setScalingFactor</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setScalingFactor&#8203;(<a href="TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</a>&nbsp;scalingFactor)</pre>
<div class="block">Set the scaling factor for subsequent lossy decompression operations.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>scalingFactor</code> - <a href="TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg"><code>TJScalingFactor</code></a> instance that specifies a
fractional scaling factor that the decompressor supports (see
<a href="TJ.html#getScalingFactors()"><code>TJ.getScalingFactors()</code></a>), or <a href="TJ.html#UNSCALED"><code>TJ.UNSCALED</code></a> for no scaling.
Decompression scaling is a function of the IDCT algorithm, so scaling
factors are generally limited to multiples of 1/8. If the entire JPEG
image will be decompressed, then the width and height of the scaled
destination image can be determined by calling
<code>scalingFactor.</code><a href="TJScalingFactor.html#getScaled(int)"><code>getScaled()</code></a>
with the JPEG image width and height (see <a href="#getWidth()"><code>getWidth()</code></a> and
<a href="#getHeight()"><code>getHeight()</code></a>.) When decompressing into a planar YUV image, an
intermediate buffer copy will be performed if the width or height of the
scaled destination image is not an even multiple of the MCU block size
(see <a href="TJ.html#getMCUWidth(int)"><code>TJ.getMCUWidth()</code></a> and <a href="TJ.html#getMCUHeight(int)"><code>TJ.getMCUHeight()</code></a>.) Note that decompression scaling is not available
(and the specified scaling factor is ignored) when decompressing lossless
JPEG images (see <a href="TJ.html#PARAM_LOSSLESS"><code>TJ.PARAM_LOSSLESS</code></a>), since the IDCT algorithm is
not used with those images. Note also that <a href="TJ.html#PARAM_FASTDCT"><code>TJ.PARAM_FASTDCT</code></a> is
ignored when decompression scaling is enabled.</dd>
</dl>
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<h4>setCroppingRegion</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setCroppingRegion&#8203;(java.awt.Rectangle&nbsp;croppingRegion)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Set the cropping region for partially decompressing a lossy JPEG image
into a packed-pixel image.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>croppingRegion</code> - <code>java.awt.Rectangle</code> instance that
specifies a subregion of the JPEG image to decompress, or
<a href="TJ.html#UNCROPPED"><code>TJ.UNCROPPED</code></a> for no cropping. The left boundary of the cropping
region must be evenly divisible by the scaled MCU block width, which can
be determined by calling <a href="TJScalingFactor.html#getScaled(int)"><code>TJScalingFactor.getScaled()</code></a> with the specified scaling factor (see
<a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>) and the MCU block width
(see <a href="TJ.html#getMCUWidth(int)"><code>TJ.getMCUWidth()</code></a>) for the level of chrominance
subsampling in the JPEG image (see <a href="TJ.html#PARAM_SUBSAMP"><code>TJ.PARAM_SUBSAMP</code></a>.) The
cropping region should be specified relative to the scaled image
dimensions. Unless <code>croppingRegion</code> is <a href="TJ.html#UNCROPPED"><code>TJ.UNCROPPED</code></a>,
the JPEG header must be read (see <a href="#setSourceImage(byte%5B%5D,int)"><code>setSourceImage(byte[], int)</code></a>
prior to calling this method.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
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<h4>getSubsamp</h4>
<pre class="methodSignature">@Deprecated
public&nbsp;int&nbsp;getSubsamp()</pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <code><a href="#get(int)"><code>get</code></a>(<a href="TJ.html#PARAM_SUBSAMP"><code>TJ.PARAM_SUBSAMP</code></a>)</code>
instead.</div>
</div>
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<h4>getColorspace</h4>
<pre class="methodSignature">@Deprecated
public&nbsp;int&nbsp;getColorspace()</pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <code><a href="#get(int)"><code>get</code></a>(<a href="TJ.html#PARAM_COLORSPACE"><code>TJ.PARAM_COLORSPACE</code></a>)</code>
instead.</div>
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<h4>getJPEGBuf</h4>
<pre class="methodSignature">public&nbsp;byte[]&nbsp;getJPEGBuf()</pre>
<div class="block">Returns the JPEG buffer associated with this decompressor instance.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the JPEG buffer associated with this decompressor instance.</dd>
</dl>
</li>
</ul>
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<h4>getJPEGSize</h4>
<pre class="methodSignature">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="returnLabel">Returns:</span></dt>
<dd>the size of the JPEG image (in bytes) associated with this
decompressor instance.</dd>
</dl>
</li>
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<h4>getScaledWidth</h4>
<pre class="methodSignature">@Deprecated
public&nbsp;int&nbsp;getScaledWidth&#8203;(int&nbsp;desiredWidth,
int&nbsp;desiredHeight)</pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a> and
<a href="TJScalingFactor.html#getScaled(int)"><code>TJScalingFactor.getScaled()</code></a> instead.</div>
</div>
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<pre class="methodSignature">@Deprecated
public&nbsp;int&nbsp;getScaledHeight&#8203;(int&nbsp;desiredWidth,
int&nbsp;desiredHeight)</pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a> and
<a href="TJScalingFactor.html#getScaled(int)"><code>TJScalingFactor.getScaled()</code></a> instead.</div>
</div>
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<pre class="methodSignature">public&nbsp;void&nbsp;decompress8&#8203;(byte[]&nbsp;dstBuf,
int&nbsp;x,
int&nbsp;y,
int&nbsp;pitch,
int&nbsp;pixelFormat)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the 8-bit-per-sample JPEG source image or decode the planar YUV
source image associated with this decompressor instance and output an
8-bit-per-sample 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="TJException.html" title="class in org.libjpegturbo.turbojpeg"><code>TJException</code></a> (unless <a href="TJ.html#PARAM_STOPONWARNING"><code>TJ.PARAM_STOPONWARNING</code></a> is
set.)</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>dstBuf</code> - buffer that will receive the packed-pixel
decompressed/decoded image. This buffer should normally be
<code>pitch * destinationHeight</code> bytes in size. However, the buffer
may also be larger, 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. NOTE: If the source
image is a lossy JPEG image, then <code>destinationHeight</code> is either
the scaled JPEG height (see <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>,
<a href="TJScalingFactor.html#getScaled(int)"><code>TJScalingFactor.getScaled()</code></a>, and
<a href="#getHeight()"><code>getHeight()</code></a>) or the height of the cropping region (see
<a href="#setCroppingRegion(java.awt.Rectangle)"><code>setCroppingRegion()</code></a>.) If the source image is a
YUV image or a lossless JPEG image, then <code>destinationHeight</code> is
the height of the source image.</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>pitch</code> - bytes per row in the destination image. Normally this should
be set to <code>destinationWidth *
<a href="TJ.html#getPixelSize(int)"><code>TJ.getPixelSize</code></a>(pixelFormat)</code>, if the
destination image will be unpadded. (Setting this parameter to 0 is the
equivalent of setting it to <code>destinationWidth *
<a href="TJ.html#getPixelSize(int)"><code>TJ.getPixelSize</code></a>(pixelFormat)</code>.) However,
you can also use this parameter to specify the row alignment/padding of
the destination image, to skip rows, or to decompress/decode into a
specific region of a larger image. NOTE: if the source image is a lossy
JPEG image, then <code>destinationWidth</code> is either the scaled JPEG
width (see <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>,
<a href="TJScalingFactor.html#getScaled(int)"><code>TJScalingFactor.getScaled()</code></a>, and
<a href="#getWidth()"><code>getWidth()</code></a>) or the width of the cropping region (see
<a href="#setCroppingRegion(java.awt.Rectangle)"><code>setCroppingRegion()</code></a>.) If the source image is a
YUV image or a lossless JPEG image, then <code>destinationWidth</code> is
the width of the source image.</dd>
<dd><code>pixelFormat</code> - pixel format of the decompressed/decoded image (one of
<a href="TJ.html#PF_RGB"><code>TJ.PF_*</code></a>)</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
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<h4>decompress</h4>
<pre class="methodSignature">@Deprecated
public&nbsp;void&nbsp;decompress&#8203;(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="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#set(int,int)"><code>set()</code></a>,
<a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, and
<a href="#decompress8(byte%5B%5D,int,int,int,int)"><code>decompress8(byte[], int, int, int, int)</code></a> instead.</div>
</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
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<h4>decompress8</h4>
<pre class="methodSignature">public&nbsp;byte[]&nbsp;decompress8&#8203;(int&nbsp;pitch,
int&nbsp;pixelFormat)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the 8-bit-per-sample JPEG source image or decode the planar YUV
source image associated with this decompressor instance and return a
buffer containing an 8-bit-per-sample packed-pixel decompressed image.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>pitch</code> - see
<a href="#decompress8(byte%5B%5D,int,int,int,int)"><code>decompress8(byte[], int, int, int, int)</code></a> for description</dd>
<dd><code>pixelFormat</code> - pixel format of the decompressed image (one of
<a href="TJ.html#PF_RGB"><code>TJ.PF_*</code></a>)</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a buffer containing an 8-bit-per-sample packed-pixel decompressed
image.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
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<h4>decompress</h4>
<pre class="methodSignature">@Deprecated
public&nbsp;byte[]&nbsp;decompress&#8203;(int&nbsp;desiredWidth,
int&nbsp;pitch,
int&nbsp;desiredHeight,
int&nbsp;pixelFormat,
int&nbsp;flags)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#set(int,int)"><code>set()</code></a>,
<a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, and
<a href="#decompress8(int,int)"><code>decompress8(int, int)</code></a> instead.</div>
</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
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<pre class="methodSignature">public&nbsp;void&nbsp;decompress12&#8203;(short[]&nbsp;dstBuf,
int&nbsp;x,
int&nbsp;y,
int&nbsp;pitch,
int&nbsp;pixelFormat)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the 12-bit-per-sample JPEG source image associated with this
decompressor instance and output a 12-bit-per-sample 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="TJException.html" title="class in org.libjpegturbo.turbojpeg"><code>TJException</code></a> (unless <a href="TJ.html#PARAM_STOPONWARNING"><code>TJ.PARAM_STOPONWARNING</code></a> is
set.)</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>dstBuf</code> - buffer that will receive the packed-pixel
decompressed image. This buffer should normally be
<code>pitch * destinationHeight</code> samples in size. However, the
buffer may also be larger, 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. NOTE: If
the source image is a lossy JPEG image, then
<code>destinationHeight</code> is either the scaled JPEG height (see
<a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>,
<a href="TJScalingFactor.html#getScaled(int)"><code>TJScalingFactor.getScaled()</code></a>, and
<a href="#getHeight()"><code>getHeight()</code></a>) or the height of the cropping region (see
<a href="#setCroppingRegion(java.awt.Rectangle)"><code>setCroppingRegion()</code></a>.) If the source image is a
lossless JPEG image, then <code>destinationHeight</code> is the height of
the source image.</dd>
<dd><code>x</code> - x offset (in pixels) of the region in the destination image into
which the source image should be decompressed</dd>
<dd><code>y</code> - y offset (in pixels) of the region in the destination image into
which the source image should be decompressed</dd>
<dd><code>pitch</code> - samples per row in the destination image. Normally this
should be set to <code>destinationWidth *
<a href="TJ.html#getPixelSize(int)"><code>TJ.getPixelSize</code></a>(pixelFormat)</code>, if the
destination image will be unpadded. (Setting this parameter to 0 is the
equivalent of setting it to <code>destinationWidth *
<a href="TJ.html#getPixelSize(int)"><code>TJ.getPixelSize</code></a>(pixelFormat)</code>.) However,
you can also use this parameter to specify the row alignment/padding of
the destination image, to skip rows, or to decompress into a specific
region of a larger image. NOTE: if the source image is a lossy JPEG
image, then <code>destinationWidth</code> is either the scaled JPEG width
(see <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>,
<a href="TJScalingFactor.html#getScaled(int)"><code>TJScalingFactor.getScaled()</code></a>, and
<a href="#getWidth()"><code>getWidth()</code></a>) or the width of the cropping region (see
<a href="#setCroppingRegion(java.awt.Rectangle)"><code>setCroppingRegion()</code></a>.) If the source image is a
YUV image or a lossless JPEG image, then <code>destinationWidth</code> is
the width of the source image.</dd>
<dd><code>pixelFormat</code> - pixel format of the decompressed image (one of
<a href="TJ.html#PF_RGB"><code>TJ.PF_*</code></a>)</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
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<pre class="methodSignature">public&nbsp;short[]&nbsp;decompress12&#8203;(int&nbsp;pitch,
int&nbsp;pixelFormat)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the 12-bit-per-sample JPEG source image associated with this
decompressor instance and return a buffer containing a 12-bit-per-sample
packed-pixel decompressed image.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>pitch</code> - see
<a href="#decompress12(short%5B%5D,int,int,int,int)"><code>decompress12(short[], int, int, int, int)</code></a> for description</dd>
<dd><code>pixelFormat</code> - pixel format of the decompressed image (one of
<a href="TJ.html#PF_RGB"><code>TJ.PF_*</code></a>)</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a buffer containing an 8-bit-per-sample packed-pixel decompressed
image.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
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<h4>decompress16</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;decompress16&#8203;(short[]&nbsp;dstBuf,
int&nbsp;x,
int&nbsp;y,
int&nbsp;pitch,
int&nbsp;pixelFormat)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the 16-bit-per-sample lossless JPEG source image associated
with this decompressor instance and output a 16-bit-per-sample
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="TJException.html" title="class in org.libjpegturbo.turbojpeg"><code>TJException</code></a> (unless <a href="TJ.html#PARAM_STOPONWARNING"><code>TJ.PARAM_STOPONWARNING</code></a> is
set.)</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>dstBuf</code> - buffer that will receive the packed-pixel
decompressed image. This buffer should normally be
<code>pitch * jpegHeight</code> samples in size. However, the buffer may
also be larger, 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.</dd>
<dd><code>x</code> - x offset (in pixels) of the region in the destination image into
which the source image should be decompressed</dd>
<dd><code>y</code> - y offset (in pixels) of the region in the destination image into
which the source image should be decompressed</dd>
<dd><code>pitch</code> - samples per row in the destination image. Normally this
should be set to <code>jpegWidth *
<a href="TJ.html#getPixelSize(int)"><code>TJ.getPixelSize</code></a>(pixelFormat)</code>, if the
destination image will be unpadded. (Setting this parameter to 0 is the
equivalent of setting it to <code>jpegWidth *
<a href="TJ.html#getPixelSize(int)"><code>TJ.getPixelSize</code></a>(pixelFormat)</code>.) However,
you can also use this parameter to specify the row alignment/padding of
the destination image, to skip rows, or to decompress into a specific
region of a larger image.</dd>
<dd><code>pixelFormat</code> - pixel format of the decompressed image (one of
<a href="TJ.html#PF_RGB"><code>TJ.PF_*</code></a>)</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
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<h4>decompress16</h4>
<pre class="methodSignature">public&nbsp;short[]&nbsp;decompress16&#8203;(int&nbsp;pitch,
int&nbsp;pixelFormat)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the 16-bit-per-sample JPEG source image associated with this
decompressor instance and return a buffer containing a 16-bit-per-sample
packed-pixel decompressed image.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>pitch</code> - see
<a href="#decompress16(short%5B%5D,int,int,int,int)"><code>decompress16(short[], int, int, int, int)</code></a> for description</dd>
<dd><code>pixelFormat</code> - pixel format of the decompressed image (one of
<a href="TJ.html#PF_RGB"><code>TJ.PF_*</code></a>)</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a buffer containing an 8-bit-per-sample packed-pixel decompressed
image.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
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<pre class="methodSignature">public&nbsp;void&nbsp;decompressToYUV&#8203;(<a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;dstImage)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the 8-bit-per-sample JPEG source image associated with this
decompressor instance into an 8-bit-per-sample planar YUV image and store
it in the given <a href="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="TJException.html" title="class in org.libjpegturbo.turbojpeg"><code>TJException</code></a> (unless
<a href="TJ.html#PARAM_STOPONWARNING"><code>TJ.PARAM_STOPONWARNING</code></a> is set.)</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>dstImage</code> - <a href="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="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="YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a> instance must match the
scaled JPEG width and height (see <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, <a href="TJScalingFactor.html#getScaled(int)"><code>TJScalingFactor.getScaled()</code></a>, <a href="#getWidth()"><code>getWidth()</code></a>, and <a href="#getHeight()"><code>getHeight()</code></a>.)</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
<a id="decompressToYUV(org.libjpegturbo.turbojpeg.YUVImage,int)">
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<pre class="methodSignature">@Deprecated
public&nbsp;void&nbsp;decompressToYUV&#8203;(<a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;dstImage,
int&nbsp;flags)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#set(int,int)"><code>set()</code></a>, <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, and <a href="#decompressToYUV(org.libjpegturbo.turbojpeg.YUVImage)"><code>decompressToYUV(YUVImage)</code></a> instead.</div>
</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
<a id="decompressToYUV(int[])">
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<h4>decompressToYUV</h4>
<pre class="methodSignature">public&nbsp;<a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;decompressToYUV&#8203;(int[]&nbsp;strides)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the 8-bit-per-sample JPEG source image associated with this
decompressor instance into a set of 8-bit-per-sample Y, U (Cb), and V (Cr)
image planes and return a <a href="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="paramLabel">Parameters:</span></dt>
<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="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>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a <a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a> instance containing the decompressed image
planes</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
<a id="decompressToYUV(int,int[],int,int)">
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<ul class="blockList">
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<h4>decompressToYUV</h4>
<pre class="methodSignature">@Deprecated
public&nbsp;<a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;decompressToYUV&#8203;(int&nbsp;desiredWidth,
int[]&nbsp;strides,
int&nbsp;desiredHeight,
int&nbsp;flags)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#set(int,int)"><code>set()</code></a>, <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, and <a href="#decompressToYUV(int%5B%5D)"><code>decompressToYUV(int[])</code></a> instead.</div>
</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
<a id="decompressToYUV(int)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>decompressToYUV</h4>
<pre class="methodSignature">public&nbsp;<a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;decompressToYUV&#8203;(int&nbsp;align)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the 8-bit-per-sample JPEG source image associated with this
decompressor instance into an 8-bit-per-sample unified planar YUV image
and return a <a href="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="paramLabel">Parameters:</span></dt>
<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>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a <a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a> instance containing the unified planar YUV
decompressed image</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
<a id="decompressToYUV(int,int,int,int)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>decompressToYUV</h4>
<pre class="methodSignature">@Deprecated
public&nbsp;<a href="YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a>&nbsp;decompressToYUV&#8203;(int&nbsp;desiredWidth,
int&nbsp;align,
int&nbsp;desiredHeight,
int&nbsp;flags)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#set(int,int)"><code>set()</code></a>, <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, and <a href="#decompressToYUV(int)"><code>decompressToYUV(int)</code></a> instead.</div>
</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
<a id="decompress8(int[],int,int,int,int)">
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<h4>decompress8</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;decompress8&#8203;(int[]&nbsp;dstBuf,
int&nbsp;x,
int&nbsp;y,
int&nbsp;stride,
int&nbsp;pixelFormat)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the 8-bit-per-sample JPEG source image or decode the planar YUV
source image associated with this decompressor instance and output an
8-bit-per-sample 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="TJException.html" title="class in org.libjpegturbo.turbojpeg"><code>TJException</code></a> (unless <a href="TJ.html#PARAM_STOPONWARNING"><code>TJ.PARAM_STOPONWARNING</code></a>
is set.)</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>dstBuf</code> - buffer that will receive the packed-pixel
decompressed/decoded image. This buffer should normally be
<code>stride * destinationHeight</code> pixels in size. However, the
buffer may also be larger, 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.
NOTE: If the source image is a lossy JPEG image, then
<code>destinationHeight</code> is either the scaled JPEG height (see
<a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>,
<a href="TJScalingFactor.html#getScaled(int)"><code>TJScalingFactor.getScaled()</code></a>, and
<a href="#getHeight()"><code>getHeight()</code></a>) or the height of the cropping region (see
<a href="#setCroppingRegion(java.awt.Rectangle)"><code>setCroppingRegion()</code></a>.) If the source image is a
YUV image or a lossless JPEG image, then <code>destinationHeight</code> is
the height of the source image.</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>stride</code> - pixels per row in the destination image. Normally this
should be set to <code>destinationWidth</code>. (Setting this parameter
to 0 is the equivalent of setting it to <code>destinationWidth</code>.)
However, you can also use this parameter to skip rows or to
decompress/decode into a specific region of a larger image. NOTE: if the
source image is a lossy JPEG image, then <code>destinationWidth</code> is
either the scaled JPEG width (see <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, <a href="TJScalingFactor.html#getScaled(int)"><code>TJScalingFactor.getScaled()</code></a>, and <a href="#getWidth()"><code>getWidth()</code></a>) or the width of the
cropping region (see <a href="#setCroppingRegion(java.awt.Rectangle)"><code>setCroppingRegion()</code></a>.) If
the source image is a YUV image or a lossless JPEG image, then
<code>destinationWidth</code> is the width of the source image.</dd>
<dd><code>pixelFormat</code> - pixel format of the decompressed/decoded image (one of
<a href="TJ.html#PF_RGB"><code>TJ.PF_*</code></a>)</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
<a id="decompress(int[],int,int,int,int,int,int,int)">
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</a>
<ul class="blockList">
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<h4>decompress</h4>
<pre class="methodSignature">@Deprecated
public&nbsp;void&nbsp;decompress&#8203;(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="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#set(int,int)"><code>set()</code></a>, <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, and <a href="#decompress8(int%5B%5D,int,int,int,int)"><code>decompress8(int[], int, int, int, int)</code></a>
instead.</div>
</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
<a id="decompress8(java.awt.image.BufferedImage)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>decompress8</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;decompress8&#8203;(java.awt.image.BufferedImage&nbsp;dstImage)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the 8-bit-per-sample JPEG source image or decode the planar YUV
source image associated with this decompressor instance and output an
8-bit-per-sample 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="TJException.html" title="class in org.libjpegturbo.turbojpeg"><code>TJException</code></a> (unless <a href="TJ.html#PARAM_STOPONWARNING"><code>TJ.PARAM_STOPONWARNING</code></a>
is set.)</div>
<dl>
<dt><span class="paramLabel">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
lossy JPEG image, then the width and height of the
<code>BufferedImage</code> instance must match the scaled JPEG width and
height (see <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>,
<a href="TJScalingFactor.html#getScaled(int)"><code>TJScalingFactor.getScaled()</code></a>,
<a href="#getWidth()"><code>getWidth()</code></a>, and <a href="#getHeight()"><code>getHeight()</code></a>) or the width and height of the
cropping region (see <a href="#setCroppingRegion(java.awt.Rectangle)"><code>setCroppingRegion()</code></a>.) If
the source image is a YUV image or a lossless JPEG image, then the width
and height of the <code>BufferedImage</code> instance must match the width
and height of the source image.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
<a id="decompress(java.awt.image.BufferedImage,int)">
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</a>
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<h4>decompress</h4>
<pre class="methodSignature">@Deprecated
public&nbsp;void&nbsp;decompress&#8203;(java.awt.image.BufferedImage&nbsp;dstImage,
int&nbsp;flags)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#set(int,int)"><code>set()</code></a>, <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, and <a href="#decompress8(java.awt.image.BufferedImage)"><code>decompress8(BufferedImage)</code></a> instead.</div>
</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
<a id="decompress8(int)">
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</a>
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<li class="blockList">
<h4>decompress8</h4>
<pre class="methodSignature">public&nbsp;java.awt.image.BufferedImage&nbsp;decompress8&#8203;(int&nbsp;bufferedImageType)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="block">Decompress the 8-bit-per-sample JPEG source image or decode the planar YUV
source image associated with this decompressor instance and return a
<code>BufferedImage</code> instance containing the 8-bit-per-sample
packed-pixel decompressed/decoded image.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<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>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a <code>BufferedImage</code> instance containing the
8-bit-per-sample packed-pixel decompressed/decoded image.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
<a id="decompress(int,int,int,int)">
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<li class="blockList">
<h4>decompress</h4>
<pre class="methodSignature">@Deprecated
public&nbsp;java.awt.image.BufferedImage&nbsp;decompress&#8203;(int&nbsp;desiredWidth,
int&nbsp;desiredHeight,
int&nbsp;bufferedImageType,
int&nbsp;flags)
throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use <a href="#set(int,int)"><code>set()</code></a>, <a href="#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)"><code>setScalingFactor()</code></a>, and <a href="#decompress8(int)"><code>decompress8(int)</code></a> instead.</div>
</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
<a id="close()">
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</a>
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<li class="blockList">
<h4>close</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;close()
throws <a href="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><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>close</code>&nbsp;in interface&nbsp;<code>java.lang.AutoCloseable</code></dd>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>close</code>&nbsp;in interface&nbsp;<code>java.io.Closeable</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></code></dd>
</dl>
</li>
</ul>
<a id="finalize()">
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</a>
<ul class="blockListLast">
<li class="blockList">
<h4>finalize</h4>
<pre class="methodSignature">protected&nbsp;void&nbsp;finalize()
throws java.lang.Throwable</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>finalize</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.Throwable</code></dd>
</dl>
</li>
</ul>
</li>
</ul>
</section>
</li>
</ul>
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