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| <div class="subTitle">org.libjpegturbo.turbojpeg</div> |
| <h2 title="Class TJDecompressor" class="title">Class TJDecompressor</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.libjpegturbo.turbojpeg.TJDecompressor</li> |
| </ul> |
| </li> |
| </ul> |
| <div class="description"> |
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| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd>java.io.Closeable, java.lang.AutoCloseable</dd> |
| </dl> |
| <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> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
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| <!-- =========== FIELD SUMMARY =========== --> |
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| <h3>Field Summary</h3> |
| <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"> </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> </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> </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> </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> </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> </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> </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> </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> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| </a> |
| <h3>Constructor Summary</h3> |
| <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <caption><span>Constructors</span><span class="tabEnd"> </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[] jpegImage)</code> |
| <div class="block">Create a TurboJPEG decompressor instance and associate the JPEG source |
| image 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[] jpegImage, |
| int imageSize)</code> |
| <div class="block">Create a TurboJPEG decompressor instance and associate the JPEG source |
| image of length <code>imageSize</code> bytes stored in |
| <code>jpegImage</code> with the newly created instance.</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> yuvImage)</code> |
| <div class="block">Create a TurboJPEG decompressor instance and associate the YUV planar |
| source image stored in <code>yuvImage</code> with the newly created |
| instance.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <li class="blockList"><a name="method_summary"> |
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| </a> |
| <h3>Method Summary</h3> |
| <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span>Methods</span><span class="tabEnd"> </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 dstImage, |
| int flags)</code> |
| <div class="block">Decompress the JPEG source image or decode the YUV source image associated |
| with this decompressor instance and output a decompressed/decoded image to |
| the given <code>BufferedImage</code> instance.</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[] dstBuf, |
| int desiredWidth, |
| int pitch, |
| int desiredHeight, |
| int pixelFormat, |
| int flags)</code> |
| <div class="block"><strong>Deprecated.</strong> |
| <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[] dstBuf, |
| int x, |
| int y, |
| int desiredWidth, |
| int pitch, |
| int desiredHeight, |
| int pixelFormat, |
| int flags)</code> |
| <div class="block">Decompress the JPEG source image or decode the YUV source image associated |
| with this decompressor instance and output a grayscale, RGB, or CMYK image |
| to the given destination buffer.</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[] dstBuf, |
| int x, |
| int y, |
| int desiredWidth, |
| int stride, |
| int desiredHeight, |
| int pixelFormat, |
| int flags)</code> |
| <div class="block">Decompress the JPEG source image or decode the YUV source image associated |
| with this decompressor instance and output a grayscale, RGB, or CMYK image |
| to the given destination buffer.</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 desiredWidth, |
| int desiredHeight, |
| int bufferedImageType, |
| int 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 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 desiredWidth, |
| int pitch, |
| int desiredHeight, |
| int pixelFormat, |
| int flags)</code> |
| <div class="block">Decompress the JPEG source image associated with this decompressor |
| instance and return a buffer 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(byte[],%20int)">decompressToYUV</a></strong>(byte[] dstBuf, |
| int flags)</code> |
| <div class="block"><strong>Deprecated.</strong> |
| <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 flags)</code> |
| <div class="block"><strong>Deprecated.</strong> |
| <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 desiredWidth, |
| int[] strides, |
| int desiredHeight, |
| int 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 |
| <code>YUVImage</code> 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 desiredWidth, |
| int pad, |
| int desiredHeight, |
| int flags)</code> |
| <div class="block">Decompress the JPEG source image associated with this decompressor |
| instance into a unified YUV planar image buffer and return a |
| <code>YUVImage</code> 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> dstImage, |
| int flags)</code> |
| <div class="block">Decompress the JPEG source image associated with this decompressor |
| instance into a YUV planar image and store it in the given |
| <code>YUVImage</code> instance.</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> </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 image 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 desiredWidth, |
| int 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 desiredWidth, |
| int 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[] jpegImage, |
| int imageSize)</code> |
| <div class="block"><strong>Deprecated.</strong> |
| <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[] jpegImage, |
| int imageSize)</code> |
| <div class="block">Associate the JPEG image 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> srcImage)</code> |
| <div class="block">Associate the specified YUV planar source image with this decompressor |
| instance.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods_inherited_from_class_java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <h4>handle</h4> |
| <pre>protected long handle</pre> |
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| </a> |
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| <h4>jpegBuf</h4> |
| <pre>protected byte[] jpegBuf</pre> |
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| <pre>protected int jpegBufSize</pre> |
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| <a name="yuvImage"> |
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| </a> |
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| <li class="blockList"> |
| <h4>yuvImage</h4> |
| <pre>protected <a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a> yuvImage</pre> |
| </li> |
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| <h4>jpegWidth</h4> |
| <pre>protected int jpegWidth</pre> |
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| <pre>protected int jpegHeight</pre> |
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| <pre>protected int jpegSubsamp</pre> |
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| <h4>jpegColorspace</h4> |
| <pre>protected int jpegColorspace</pre> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="TJDecompressor()"> |
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| </a> |
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| <li class="blockList"> |
| <h4>TJDecompressor</h4> |
| <pre>public 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> |
| </li> |
| </ul> |
| <a name="TJDecompressor(byte[])"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>TJDecompressor</h4> |
| <pre>public TJDecompressor(byte[] 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 stored in <code>jpegImage</code> with the newly created instance.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>jpegImage</code> - JPEG image buffer (size of the JPEG image 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> |
| </li> |
| </ul> |
| <a name="TJDecompressor(byte[], int)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>TJDecompressor</h4> |
| <pre>public TJDecompressor(byte[] jpegImage, |
| int 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 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> - JPEG image buffer. This buffer is not modified.</dd><dd><code>imageSize</code> - size of the JPEG image (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> |
| </li> |
| </ul> |
| <a name="TJDecompressor(org.libjpegturbo.turbojpeg.YUVImage)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>TJDecompressor</h4> |
| <pre>public TJDecompressor(<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a> 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 YUV planar |
| 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 YUV planar |
| 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> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method_detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="setSourceImage(byte[], int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setSourceImage</h4> |
| <pre>public void setSourceImage(byte[] jpegImage, |
| int 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 of length <code>imageSize</code> bytes stored in |
| <code>jpegImage</code> with this decompressor instance. This image will |
| be used as the source image for subsequent decompress operations.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>jpegImage</code> - JPEG image buffer. This buffer is not modified.</dd><dd><code>imageSize</code> - size of the JPEG image (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> |
| </li> |
| </ul> |
| <a name="setJPEGImage(byte[], int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setJPEGImage</h4> |
| <pre>@Deprecated |
| public void setJPEGImage(byte[] jpegImage, |
| int 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> <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> |
| </ul> |
| <a name="setSourceImage(org.libjpegturbo.turbojpeg.YUVImage)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setSourceImage</h4> |
| <pre>public void setSourceImage(<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a> srcImage)</pre> |
| <div class="block">Associate the specified YUV planar source image with this decompressor |
| instance. Subsequent decompress operations will decode this image into an |
| RGB or grayscale destination image.</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 YUV planar image to |
| be decoded. This image is not modified.</dd></dl> |
| </li> |
| </ul> |
| <a name="getWidth()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getWidth</h4> |
| <pre>public int 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> |
| </li> |
| </ul> |
| <a name="getHeight()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getHeight</h4> |
| <pre>public int 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> |
| </li> |
| </ul> |
| <a name="getSubsamp()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getSubsamp</h4> |
| <pre>public int 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> |
| </li> |
| </ul> |
| <a name="getColorspace()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getColorspace</h4> |
| <pre>public int 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> |
| </li> |
| </ul> |
| <a name="getJPEGBuf()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getJPEGBuf</h4> |
| <pre>public byte[] getJPEGBuf()</pre> |
| <div class="block">Returns the JPEG image buffer associated with this decompressor instance.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the JPEG image buffer associated with this decompressor instance.</dd></dl> |
| </li> |
| </ul> |
| <a name="getJPEGSize()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getJPEGSize</h4> |
| <pre>public int 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> |
| </li> |
| </ul> |
| <a name="getScaledWidth(int, int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getScaledWidth</h4> |
| <pre>public int getScaledWidth(int desiredWidth, |
| int 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> |
| </li> |
| </ul> |
| <a name="getScaledHeight(int, int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getScaledHeight</h4> |
| <pre>public int getScaledHeight(int desiredWidth, |
| int 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> |
| </li> |
| </ul> |
| <a name="decompress(byte[], int, int, int, int, int, int, int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>decompress</h4> |
| <pre>public void decompress(byte[] dstBuf, |
| int x, |
| int y, |
| int desiredWidth, |
| int pitch, |
| int desiredHeight, |
| int pixelFormat, |
| int 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 output a grayscale, RGB, or CMYK image |
| to the given destination buffer.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>dstBuf</code> - buffer that will receive the decompressed/decoded image. |
| If the source image is a JPEG image, then this buffer should normally be |
| <code>pitch * scaledHeight</code> bytes in size, where |
| <code>scaledHeight</code> can be determined by calling <code> |
| scalingFactor.<a href="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getScaled(int)"><code>getScaled</code></a>(jpegHeight) |
| </code> with one of the scaling factors returned from <a href="../../../org/libjpegturbo/turbojpeg/TJ.html#getScalingFactors()"><code>TJ.getScalingFactors()</code></a> or by calling <a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledHeight(int,%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 line of the destination image. Normally, this |
| should be set to <code>scaledWidth * TJ.pixelSize(pixelFormat)</code> if |
| the destination image is unpadded, but you can use this to, for instance, |
| pad each line of the destination image to a 4-byte boundary or to |
| decompress/decode the source image into a region of a larger image. NOTE: |
| if the source image is a JPEG image, then <code>scaledWidth</code> can be |
| determined by calling <code> |
| scalingFactor.<a href="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getScaled(int)"><code>getScaled</code></a>(jpegWidth) |
| </code> or by calling <a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledWidth(int,%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> |
| </ul> |
| <a name="decompress(byte[], int, int, int, int, int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>decompress</h4> |
| <pre>@Deprecated |
| public void decompress(byte[] dstBuf, |
| int desiredWidth, |
| int pitch, |
| int desiredHeight, |
| int pixelFormat, |
| int 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> <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> |
| </ul> |
| <a name="decompress(int, int, int, int, int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>decompress</h4> |
| <pre>public byte[] decompress(int desiredWidth, |
| int pitch, |
| int desiredHeight, |
| int pixelFormat, |
| int 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 and return a buffer containing the 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 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> |
| <a name="decompressToYUV(org.libjpegturbo.turbojpeg.YUVImage, int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>decompressToYUV</h4> |
| <pre>public void decompressToYUV(<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a> dstImage, |
| int 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 YUV planar image and store it in the given |
| <code>YUVImage</code> instance. This method performs JPEG decompression |
| but leaves out the color conversion step, so a planar YUV image is |
| generated instead of an RGB or grayscale image. This method cannot be |
| used to decompress JPEG source images with the CMYK or YCCK colorspace.</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 YUV planar |
| image. The level of subsampling specified in this <code>YUVImage</code> |
| instance must match that of the JPEG image, and the width and height |
| specified in the <code>YUVImage</code> instance must match one of the |
| scaled image sizes that TurboJPEG is capable of generating from the JPEG |
| source image.</dd><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> |
| <a name="decompressToYUV(byte[], int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>decompressToYUV</h4> |
| <pre>@Deprecated |
| public void decompressToYUV(byte[] dstBuf, |
| int 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> <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> |
| </ul> |
| <a name="decompressToYUV(int, int[], int, int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>decompressToYUV</h4> |
| <pre>public <a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a> decompressToYUV(int desiredWidth, |
| int[] strides, |
| int desiredHeight, |
| int 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 |
| <code>YUVImage</code> 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 an RGB or |
| grayscale 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 line in the corresponding plane of the output image. Setting the |
| stride for any plane to 0 is the same as setting it to the scaled |
| component width of the plane. If <tt>strides</tt> is NULL, then the |
| strides for all planes will be set to their respective scaled component |
| widths. You can adjust the strides in order to add an arbitrary amount of |
| line 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 YUV planar 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> |
| <a name="decompressToYUV(int, int, int, int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>decompressToYUV</h4> |
| <pre>public <a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a> decompressToYUV(int desiredWidth, |
| int pad, |
| int desiredHeight, |
| int 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 YUV planar image buffer and return a |
| <code>YUVImage</code> instance containing the decompressed image. This |
| method performs JPEG decompression but leaves out the color conversion |
| step, so a planar YUV image is generated instead of an RGB or grayscale |
| image. This method cannot be used to decompress JPEG source images with |
| the CMYK or YCCK colorspace.</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>pad</code> - the width of each line in each plane of the YUV image will be |
| padded to the nearest multiple of this number of bytes (must be a power of |
| 2.)</dd><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 YUV planar 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> |
| <a name="decompressToYUV(int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>decompressToYUV</h4> |
| <pre>@Deprecated |
| public byte[] decompressToYUV(int 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> <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> |
| <a name="decompress(int[], int, int, int, int, int, int, int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>decompress</h4> |
| <pre>public void decompress(int[] dstBuf, |
| int x, |
| int y, |
| int desiredWidth, |
| int stride, |
| int desiredHeight, |
| int pixelFormat, |
| int 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 output a grayscale, RGB, or CMYK image |
| to the given destination buffer.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>dstBuf</code> - buffer that will receive the decompressed/decoded image. |
| If the source image is a JPEG image, then this buffer should normally be |
| <code>stride * scaledHeight</code> pixels in size, where |
| <code>scaledHeight</code> can be determined by calling <code> |
| scalingFactor.<a href="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getScaled(int)"><code>getScaled</code></a>(jpegHeight) |
| </code> with one of the scaling factors returned from <a href="../../../org/libjpegturbo/turbojpeg/TJ.html#getScalingFactors()"><code>TJ.getScalingFactors()</code></a> or by calling <a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledHeight(int,%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 line of the destination image. Normally, this |
| should be set to <code>scaledWidth</code>, but you can use this to, for |
| instance, decompress the JPEG image into a region of a larger image. |
| NOTE: if the source image is a JPEG image, then <code>scaledWidth</code> |
| can be determined by calling <code> |
| scalingFactor.<a href="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getScaled(int)"><code>getScaled</code></a>(jpegWidth) |
| </code> or by calling <a href="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledWidth(int,%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> |
| <a name="decompress(java.awt.image.BufferedImage, int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>decompress</h4> |
| <pre>public void decompress(java.awt.image.BufferedImage dstImage, |
| int 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 output a decompressed/decoded image to |
| the given <code>BufferedImage</code> instance.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>dstImage</code> - a <code>BufferedImage</code> instance that will receive |
| the decompressed/decoded image. If the source image is a JPEG image, then |
| the width and height of the <code>BufferedImage</code> instance must match |
| one of the scaled image sizes that TurboJPEG is capable of generating from |
| the JPEG image. If the source image is a YUV image, then the width and |
| height of the <code>BufferedImage</code> instance must match the width and |
| height of the YUV image.</dd><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> |
| <a name="decompress(int, int, int, int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>decompress</h4> |
| <pre>public java.awt.image.BufferedImage decompress(int desiredWidth, |
| int desiredHeight, |
| int bufferedImageType, |
| int 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 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 |
| 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> |
| <a name="close()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>close</h4> |
| <pre>public void 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> in interface <code>java.io.Closeable</code></dd> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code>close</code> in interface <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()"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>finalize</h4> |
| <pre>protected void finalize() |
| throws java.lang.Throwable</pre> |
| <dl> |
| <dt><strong>Overrides:</strong></dt> |
| <dd><code>finalize</code> in class <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> |
| </div> |
| </div> |
| <!-- ========= END OF CLASS DATA ========= --> |
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