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| <li>Summary: </li> |
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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.libjpegturbo.turbojpeg</a></div> |
| <h2 title="Class TJTransformer" class="title">Class TJTransformer</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">org.libjpegturbo.turbojpeg.TJDecompressor</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.libjpegturbo.turbojpeg.TJTransformer</li> |
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| <hr> |
| <pre>public class <span class="typeNameLabel">TJTransformer</span> |
| extends <a href="TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</a></pre> |
| <div class="block">TurboJPEG lossless transformer</div> |
| </li> |
| </ul> |
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| <h3>Constructor Summary</h3> |
| <table class="memberSummary"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">TJTransformer</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Create a TurboJPEG lossless transformer instance.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(byte%5B%5D)">TJTransformer</a></span>​(byte[] jpegImage)</code></th> |
| <td class="colLast"> |
| <div class="block">Create a TurboJPEG lossless transformer instance and associate the JPEG |
| source image 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)">TJTransformer</a></span>​(byte[] jpegImage, |
| int imageSize)</code></th> |
| <td class="colLast"> |
| <div class="block">Create a TurboJPEG lossless transformer 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> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <td class="colFirst"><code>int[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTransformedSizes()">getTransformedSizes</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns an array containing the sizes of the transformed JPEG images |
| (in bytes) generated by the most recent transform operation.</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="#transform(byte%5B%5D%5B%5D,org.libjpegturbo.turbojpeg.TJTransform%5B%5D)">transform</a></span>​(byte[][] dstBufs, |
| <a href="TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</a>[] transforms)</code></th> |
| <td class="colLast"> |
| <div class="block">Losslessly transform the JPEG source image associated with this |
| transformer instance into one or more JPEG images stored in the given |
| destination buffers.</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="#transform(byte%5B%5D%5B%5D,org.libjpegturbo.turbojpeg.TJTransform%5B%5D,int)">transform</a></span>​(byte[][] dstBufs, |
| <a href="TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</a>[] transforms, |
| int flags)</code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="deprecationComment">Use <a href="TJDecompressor.html#set(int,int)"><code>TJDecompressor.set()</code></a> and |
| <a href="#transform(byte%5B%5D%5B%5D,org.libjpegturbo.turbojpeg.TJTransform%5B%5D)"><code>transform(byte[][], TJTransform[])</code></a> instead.</div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</a>[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#transform(org.libjpegturbo.turbojpeg.TJTransform%5B%5D)">transform</a></span>​(<a href="TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</a>[] transforms)</code></th> |
| <td class="colLast"> |
| <div class="block">Losslessly transform the JPEG source image associated with this |
| transformer instance and return an array of <a href="TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg"><code>TJDecompressor</code></a> |
| instances, each of which has a transformed JPEG image associated with it.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</a>[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#transform(org.libjpegturbo.turbojpeg.TJTransform%5B%5D,int)">transform</a></span>​(<a href="TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</a>[] transforms, |
| int flags)</code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="deprecationComment">Use <a href="TJDecompressor.html#set(int,int)"><code>TJDecompressor.set()</code></a> and |
| <a href="#transform(org.libjpegturbo.turbojpeg.TJTransform%5B%5D)"><code>transform(TJTransform[])</code></a> instead.</div> |
| </div> |
| </td> |
| </tr> |
| </table> |
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| <!-- --> |
| </a> |
| <h3>Methods inherited from class org.libjpegturbo.turbojpeg.<a href="TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</a></h3> |
| <code><a href="TJDecompressor.html#close()">close</a>, <a href="TJDecompressor.html#decompress(byte%5B%5D,int,int,int,int,int,int,int)">decompress</a>, <a href="TJDecompressor.html#decompress(int%5B%5D,int,int,int,int,int,int,int)">decompress</a>, <a href="TJDecompressor.html#decompress(int,int,int,int)">decompress</a>, <a href="TJDecompressor.html#decompress(int,int,int,int,int)">decompress</a>, <a href="TJDecompressor.html#decompress(java.awt.image.BufferedImage,int)">decompress</a>, <a href="TJDecompressor.html#decompress12(int,int)">decompress12</a>, <a href="TJDecompressor.html#decompress12(short%5B%5D,int,int,int,int)">decompress12</a>, <a href="TJDecompressor.html#decompress16(int,int)">decompress16</a>, <a href="TJDecompressor.html#decompress16(short%5B%5D,int,int,int,int)">decompress16</a>, <a href="TJDecompressor.html#decompress8(byte%5B%5D,int,int,int,int)">decompress8</a>, <a href="TJDecompressor.html#decompress8(int)">decompress8</a>, <a href="TJDecompressor.html#decompress8(int%5B%5D,int,int,int,int)">decompress8</a>, <a href="TJDecompressor.html#decompress8(int,int)">decompress8</a>, <a href="TJDecompressor.html#decompress8(java.awt.image.BufferedImage)">decompress8</a>, <a href="TJDecompressor.html#decompressToYUV(int)">decompressToYUV</a>, <a href="TJDecompressor.html#decompressToYUV(int%5B%5D)">decompressToYUV</a>, <a href="TJDecompressor.html#decompressToYUV(int,int%5B%5D,int,int)">decompressToYUV</a>, <a href="TJDecompressor.html#decompressToYUV(int,int,int,int)">decompressToYUV</a>, <a href="TJDecompressor.html#decompressToYUV(org.libjpegturbo.turbojpeg.YUVImage)">decompressToYUV</a>, <a href="TJDecompressor.html#decompressToYUV(org.libjpegturbo.turbojpeg.YUVImage,int)">decompressToYUV</a>, <a href="TJDecompressor.html#finalize()">finalize</a>, <a href="TJDecompressor.html#get(int)">get</a>, <a href="TJDecompressor.html#getColorspace()">getColorspace</a>, <a href="TJDecompressor.html#getHeight()">getHeight</a>, <a href="TJDecompressor.html#getJPEGBuf()">getJPEGBuf</a>, <a href="TJDecompressor.html#getJPEGSize()">getJPEGSize</a>, <a href="TJDecompressor.html#getScaledHeight(int,int)">getScaledHeight</a>, <a href="TJDecompressor.html#getScaledWidth(int,int)">getScaledWidth</a>, <a href="TJDecompressor.html#getSubsamp()">getSubsamp</a>, <a href="TJDecompressor.html#getWidth()">getWidth</a>, <a href="TJDecompressor.html#set(int,int)">set</a>, <a href="TJDecompressor.html#setCroppingRegion(java.awt.Rectangle)">setCroppingRegion</a>, <a href="TJDecompressor.html#setScalingFactor(org.libjpegturbo.turbojpeg.TJScalingFactor)">setScalingFactor</a>, <a href="TJDecompressor.html#setSourceImage(byte%5B%5D,int)">setSourceImage</a>, <a href="TJDecompressor.html#setSourceImage(org.libjpegturbo.turbojpeg.YUVImage)">setSourceImage</a></code></li> |
| </ul> |
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| </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> |
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| </section> |
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| <h3>Constructor Detail</h3> |
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| <h4>TJTransformer</h4> |
| <pre>public TJTransformer() |
| throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre> |
| <div class="block">Create a TurboJPEG lossless transformer 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> |
| </ul> |
| <a id="<init>(byte[])"> |
| <!-- --> |
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| <h4>TJTransformer</h4> |
| <pre>public TJTransformer​(byte[] jpegImage) |
| throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre> |
| <div class="block">Create a TurboJPEG lossless transformer instance and associate the JPEG |
| source image stored in <code>jpegImage</code> with the newly created |
| instance.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>jpegImage</code> - buffer containing the JPEG source image to transform. |
| (The size of the JPEG image 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> |
| <a id="<init>(byte[],int)"> |
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| </a> |
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| <li class="blockList"> |
| <h4>TJTransformer</h4> |
| <pre>public TJTransformer​(byte[] jpegImage, |
| int imageSize) |
| throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre> |
| <div class="block">Create a TurboJPEG lossless transformer 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="paramLabel">Parameters:</span></dt> |
| <dd><code>jpegImage</code> - buffer containing the JPEG source image to transform. |
| This buffer is not modified.</dd> |
| <dd><code>imageSize</code> - size of the JPEG source image (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> |
| </li> |
| </ul> |
| </section> |
| <!-- ============ METHOD DETAIL ========== --> |
| <section> |
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| <li class="blockList"><a id="method.detail"> |
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| </a> |
| <h3>Method Detail</h3> |
| <a id="transform(byte[][],org.libjpegturbo.turbojpeg.TJTransform[])"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>transform</h4> |
| <pre class="methodSignature">public void transform​(byte[][] dstBufs, |
| <a href="TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</a>[] transforms) |
| throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre> |
| <div class="block">Losslessly transform the JPEG source image associated with this |
| transformer instance into one or more JPEG images stored in the given |
| destination buffers. Lossless transforms work by moving the raw |
| coefficients from one JPEG image structure to another without altering the |
| values of the coefficients. While this is typically faster than |
| decompressing the image, transforming it, and re-compressing it, lossless |
| transforms are not free. Each lossless transform requires reading and |
| performing Huffman decoding on all of the coefficients in the source |
| image, regardless of the size of the destination image. Thus, this method |
| provides a means of generating multiple transformed images from the same |
| source or of applying multiple transformations simultaneously, in order to |
| eliminate the need to read the source coefficients multiple times.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dstBufs</code> - an array of JPEG destination buffers. |
| <code>dstbufs[i]</code> will receive a JPEG image that has been |
| transformed using the parameters in <code>transforms[i]</code>. Use |
| <a href="TJ.html#bufSize(int,int,int)"><code>TJ.bufSize()</code></a> to determine the maximum size for each |
| buffer based on the transformed or cropped width and height and the level |
| of subsampling used in the source image.</dd> |
| <dd><code>transforms</code> - an array of <a href="TJTransform.html" title="class in org.libjpegturbo.turbojpeg"><code>TJTransform</code></a> instances, each of |
| which specifies the transform parameters and/or cropping region for the |
| corresponding transformed JPEG 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="transform(byte[][],org.libjpegturbo.turbojpeg.TJTransform[],int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>transform</h4> |
| <pre class="methodSignature">@Deprecated |
| public void transform​(byte[][] dstBufs, |
| <a href="TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</a>[] transforms, |
| int 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="TJDecompressor.html#set(int,int)"><code>TJDecompressor.set()</code></a> and |
| <a href="#transform(byte%5B%5D%5B%5D,org.libjpegturbo.turbojpeg.TJTransform%5B%5D)"><code>transform(byte[][], TJTransform[])</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="transform(org.libjpegturbo.turbojpeg.TJTransform[])"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>transform</h4> |
| <pre class="methodSignature">public <a href="TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</a>[] transform​(<a href="TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</a>[] transforms) |
| throws <a href="TJException.html" title="class in org.libjpegturbo.turbojpeg">TJException</a></pre> |
| <div class="block">Losslessly transform the JPEG source image associated with this |
| transformer instance and return an array of <a href="TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg"><code>TJDecompressor</code></a> |
| instances, each of which has a transformed JPEG image associated with it.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>transforms</code> - an array of <a href="TJTransform.html" title="class in org.libjpegturbo.turbojpeg"><code>TJTransform</code></a> instances, each of |
| which specifies the transform parameters and/or cropping region for the |
| corresponding transformed JPEG image</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an array of <a href="TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg"><code>TJDecompressor</code></a> instances, each of |
| which has a transformed JPEG image associated with it.</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="transform(org.libjpegturbo.turbojpeg.TJTransform[],int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>transform</h4> |
| <pre class="methodSignature">@Deprecated |
| public <a href="TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</a>[] transform​(<a href="TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</a>[] transforms, |
| int 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="TJDecompressor.html#set(int,int)"><code>TJDecompressor.set()</code></a> and |
| <a href="#transform(org.libjpegturbo.turbojpeg.TJTransform%5B%5D)"><code>transform(TJTransform[])</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="getTransformedSizes()"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>getTransformedSizes</h4> |
| <pre class="methodSignature">public int[] getTransformedSizes()</pre> |
| <div class="block">Returns an array containing the sizes of the transformed JPEG images |
| (in bytes) generated by the most recent transform operation.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an array containing the sizes of the transformed JPEG images |
| (in bytes) generated by the most recent transform operation.</dd> |
| </dl> |
| </li> |
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