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Revert "define libtool subdirectory for libjpeg-turbo" This reverts commita1213169bb
. Revert "added libjpeg-turbo cmake files" This reverts commitf6c84dd56e
. Revert "updated to libjpeg-turbo 1.4.2" This reverts commit99a3932dcc
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917 lines
44 KiB
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917 lines
44 KiB
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<!-- ======== START OF CLASS DATA ======== -->
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<div class="header">
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<div class="subTitle">org.libjpegturbo.turbojpeg</div>
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<h2 title="Class TJCompressor" class="title">Class TJCompressor</h2>
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<div class="contentContainer">
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<ul class="inheritance">
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<li>java.lang.Object</li>
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<ul class="inheritance">
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<li>org.libjpegturbo.turbojpeg.TJCompressor</li>
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<pre>public class <span class="strong">TJCompressor</span>
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extends java.lang.Object</pre>
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<div class="block">TurboJPEG compressor</div>
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</li>
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</ul>
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</div>
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<div class="summary">
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</a>
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<h3>Constructor Summary</h3>
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<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
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<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
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<tr>
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<th class="colOne" scope="col">Constructor and Description</th>
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</tr>
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<tr class="altColor">
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<td class="colOne"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor()">TJCompressor</a></strong>()</code>
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<div class="block">Create a TurboJPEG compressor instance.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colOne"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(java.awt.image.BufferedImage,%20int,%20int,%20int,%20int)">TJCompressor</a></strong>(java.awt.image.BufferedImage srcImage,
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int x,
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int y,
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int width,
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int height)</code>
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<div class="block">Create a TurboJPEG compressor instance and associate the uncompressed
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source image stored in <code>srcImage</code> with the newly created
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instance.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colOne"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[],%20int,%20int,%20int,%20int)">TJCompressor</a></strong>(byte[] srcImage,
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int width,
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int pitch,
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int height,
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int pixelFormat)</code>
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<div class="block"><strong>Deprecated.</strong>
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<div class="block"><i>Use
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<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[],%20int,%20int,%20int,%20int,%20int,%20int)"><code>TJCompressor(byte[], int, int, int, int, int, int)</code></a> instead.</i></div>
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</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colOne"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[],%20int,%20int,%20int,%20int,%20int,%20int)">TJCompressor</a></strong>(byte[] srcImage,
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int x,
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int y,
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int width,
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int pitch,
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int height,
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int pixelFormat)</code>
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<div class="block">Create a TurboJPEG compressor instance and associate the uncompressed
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source image stored in <code>srcImage</code> with the newly created
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instance.</div>
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</td>
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</tr>
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</table>
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</li>
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</ul>
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<!-- ========== METHOD SUMMARY =========== -->
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</a>
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<h3>Method Summary</h3>
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<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
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<caption><span>Methods</span><span class="tabEnd"> </span></caption>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Method and Description</th>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#close()">close</a></strong>()</code>
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<div class="block">Free the native structures associated with this compressor instance.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#compress(java.awt.image.BufferedImage,%20byte[],%20int)">compress</a></strong>(java.awt.image.BufferedImage srcImage,
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byte[] dstBuf,
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int flags)</code>
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<div class="block"><strong>Deprecated.</strong>
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<div class="block"><i>Use
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<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(java.awt.image.BufferedImage,%20int,%20int,%20int,%20int)"><code>setSourceImage(BufferedImage, int, int, int, int)</code></a> and
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<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#compress(byte[],%20int)"><code>compress(byte[], int)</code></a> instead.</i></div>
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</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>byte[]</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#compress(java.awt.image.BufferedImage,%20int)">compress</a></strong>(java.awt.image.BufferedImage srcImage,
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int flags)</code>
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<div class="block"><strong>Deprecated.</strong>
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<div class="block"><i>Use
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<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(java.awt.image.BufferedImage,%20int,%20int,%20int,%20int)"><code>setSourceImage(BufferedImage, int, int, int, int)</code></a> and
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<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#compress(int)"><code>compress(int)</code></a> instead.</i></div>
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</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#compress(byte[],%20int)">compress</a></strong>(byte[] dstBuf,
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int flags)</code>
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<div class="block">Compress the uncompressed source image associated with this compressor
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instance and output a JPEG image to the given destination buffer.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>byte[]</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#compress(int)">compress</a></strong>(int flags)</code>
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<div class="block">Compress the uncompressed source image associated with this compressor
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instance and return a buffer containing a JPEG image.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(java.awt.image.BufferedImage,%20byte[],%20int)">encodeYUV</a></strong>(java.awt.image.BufferedImage srcImage,
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byte[] dstBuf,
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int flags)</code>
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<div class="block"><strong>Deprecated.</strong>
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<div class="block"><i>Use
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<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(java.awt.image.BufferedImage,%20int,%20int,%20int,%20int)"><code>setSourceImage(BufferedImage, int, int, int, int)</code></a> and
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<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(byte[],%20int)"><code>encodeYUV(byte[], int)</code></a> instead.</i></div>
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</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>byte[]</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(java.awt.image.BufferedImage,%20int)">encodeYUV</a></strong>(java.awt.image.BufferedImage srcImage,
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int flags)</code>
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<div class="block"><strong>Deprecated.</strong>
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<div class="block"><i>Use
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<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(java.awt.image.BufferedImage,%20int,%20int,%20int,%20int)"><code>setSourceImage(BufferedImage, int, int, int, int)</code></a> and
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<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(int,%20int)"><code>encodeYUV(int, int)</code></a> instead.</i></div>
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</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(byte[],%20int)">encodeYUV</a></strong>(byte[] dstBuf,
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int flags)</code>
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<div class="block"><strong>Deprecated.</strong>
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<div class="block"><i>Use <a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(org.libjpegturbo.turbojpeg.YUVImage,%20int)"><code>encodeYUV(YUVImage, int)</code></a> instead.</i></div>
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</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>byte[]</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(int)">encodeYUV</a></strong>(int flags)</code>
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<div class="block"><strong>Deprecated.</strong>
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<div class="block"><i>Use <a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(int,%20int)"><code>encodeYUV(int, int)</code></a> instead.</i></div>
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</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code><a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a></code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(int[],%20int)">encodeYUV</a></strong>(int[] strides,
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int flags)</code>
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<div class="block">Encode the uncompressed source image associated with this compressor
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instance into separate Y, U (Cb), and V (Cr) image planes and return a
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<code>YUVImage</code> instance containing the encoded image planes.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code><a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a></code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(int,%20int)">encodeYUV</a></strong>(int pad,
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int flags)</code>
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<div class="block">Encode the uncompressed source image associated with this compressor
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instance into a unified YUV planar image buffer and return a
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<code>YUVImage</code> instance containing the encoded image.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(org.libjpegturbo.turbojpeg.YUVImage,%20int)">encodeYUV</a></strong>(<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a> dstImage,
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int flags)</code>
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<div class="block">Encode the uncompressed source image associated with this compressor
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instance into a YUV planar image and store it in the given
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<code>YUVImage</code> instance.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>protected void</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#finalize()">finalize</a></strong>()</code> </td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#getCompressedSize()">getCompressedSize</a></strong>()</code>
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<div class="block">Returns the size of the image (in bytes) generated by the most recent
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compress operation.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setJPEGQuality(int)">setJPEGQuality</a></strong>(int quality)</code>
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<div class="block">Set the JPEG image quality level for subsequent compress operations.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(java.awt.image.BufferedImage,%20int,%20int,%20int,%20int)">setSourceImage</a></strong>(java.awt.image.BufferedImage srcImage,
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int x,
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int y,
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int width,
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int height)</code>
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<div class="block">Associate an uncompressed RGB or grayscale source image with this
|
|
compressor instance.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[],%20int,%20int,%20int,%20int)">setSourceImage</a></strong>(byte[] srcImage,
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int width,
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int pitch,
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int height,
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int pixelFormat)</code>
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<div class="block"><strong>Deprecated.</strong>
|
|
<div class="block"><i>Use
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[],%20int,%20int,%20int,%20int,%20int,%20int)"><code>setSourceImage(byte[], int, int, int, int, int, int)</code></a> instead.</i></div>
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</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[],%20int,%20int,%20int,%20int,%20int,%20int)">setSourceImage</a></strong>(byte[] srcImage,
|
|
int x,
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|
int y,
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|
int width,
|
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int pitch,
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|
int height,
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|
int pixelFormat)</code>
|
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<div class="block">Associate an uncompressed RGB, grayscale, or CMYK source image with this
|
|
compressor instance.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.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>
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<div class="block">Associate an uncompressed YUV planar source image with this compressor
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|
instance.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSubsamp(int)">setSubsamp</a></strong>(int newSubsamp)</code>
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<div class="block">Set the level of chrominance subsampling for subsequent compress/encode
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|
operations.</div>
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</td>
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</tr>
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</table>
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<code>clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<pre>public TJCompressor()
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throws java.lang.Exception</pre>
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<div class="block">Create a TurboJPEG compressor instance.</div>
|
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<dl><dt><span class="strong">Throws:</span></dt>
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<dd><code>java.lang.Exception</code></dd></dl>
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</li>
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</ul>
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<a name="TJCompressor(byte[], int, int, int, int, int, int)">
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<pre>public TJCompressor(byte[] srcImage,
|
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int x,
|
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int y,
|
|
int width,
|
|
int pitch,
|
|
int height,
|
|
int pixelFormat)
|
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throws java.lang.Exception</pre>
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<div class="block">Create a TurboJPEG compressor instance and associate the uncompressed
|
|
source image stored in <code>srcImage</code> with the newly created
|
|
instance.</div>
|
|
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>srcImage</code> - see <a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[],%20int,%20int,%20int,%20int,%20int,%20int)"><code>setSourceImage(byte[], int, int, int, int, int, int)</code></a> for description</dd><dd><code>x</code> - see <a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[],%20int,%20int,%20int,%20int,%20int,%20int)"><code>setSourceImage(byte[], int, int, int, int, int, int)</code></a> for description</dd><dd><code>y</code> - see <a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[],%20int,%20int,%20int,%20int,%20int,%20int)"><code>setSourceImage(byte[], int, int, int, int, int, int)</code></a> for description</dd><dd><code>width</code> - see <a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[],%20int,%20int,%20int,%20int,%20int,%20int)"><code>setSourceImage(byte[], int, int, int, int, int, int)</code></a> for description</dd><dd><code>pitch</code> - see <a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[],%20int,%20int,%20int,%20int,%20int,%20int)"><code>setSourceImage(byte[], int, int, int, int, int, int)</code></a> for description</dd><dd><code>height</code> - see <a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[],%20int,%20int,%20int,%20int,%20int,%20int)"><code>setSourceImage(byte[], int, int, int, int, int, int)</code></a> for description</dd><dd><code>pixelFormat</code> - pixel format of the source image (one of
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_RGB"><code>TJ.PF_*</code></a>)</dd>
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<dt><span class="strong">Throws:</span></dt>
|
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<dd><code>java.lang.Exception</code></dd></dl>
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</li>
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</ul>
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<a name="TJCompressor(byte[], int, int, int, int)">
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<h4>TJCompressor</h4>
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<pre>@Deprecated
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public TJCompressor(byte[] srcImage,
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int width,
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|
int pitch,
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int height,
|
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int pixelFormat)
|
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throws java.lang.Exception</pre>
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<div class="block"><span class="strong">Deprecated.</span> <i>Use
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[],%20int,%20int,%20int,%20int,%20int,%20int)"><code>TJCompressor(byte[], int, int, int, int, int, int)</code></a> instead.</i></div>
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<dl><dt><span class="strong">Throws:</span></dt>
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<dd><code>java.lang.Exception</code></dd></dl>
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</li>
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</ul>
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<a name="TJCompressor(java.awt.image.BufferedImage, int, int, int, int)">
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<h4>TJCompressor</h4>
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<pre>public TJCompressor(java.awt.image.BufferedImage srcImage,
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int x,
|
|
int y,
|
|
int width,
|
|
int height)
|
|
throws java.lang.Exception</pre>
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|
<div class="block">Create a TurboJPEG compressor instance and associate the uncompressed
|
|
source image stored in <code>srcImage</code> with the newly created
|
|
instance.</div>
|
|
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>srcImage</code> - see
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(java.awt.image.BufferedImage,%20int,%20int,%20int,%20int)"><code>setSourceImage(BufferedImage, int, int, int, int)</code></a> for description</dd><dd><code>x</code> - see
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(java.awt.image.BufferedImage,%20int,%20int,%20int,%20int)"><code>setSourceImage(BufferedImage, int, int, int, int)</code></a> for description</dd><dd><code>y</code> - see
|
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<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(java.awt.image.BufferedImage,%20int,%20int,%20int,%20int)"><code>setSourceImage(BufferedImage, int, int, int, int)</code></a> for description</dd><dd><code>width</code> - see
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<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(java.awt.image.BufferedImage,%20int,%20int,%20int,%20int)"><code>setSourceImage(BufferedImage, int, int, int, int)</code></a> for description</dd><dd><code>height</code> - see
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<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(java.awt.image.BufferedImage,%20int,%20int,%20int,%20int)"><code>setSourceImage(BufferedImage, int, int, int, int)</code></a> for description</dd>
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<dt><span class="strong">Throws:</span></dt>
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<dd><code>java.lang.Exception</code></dd></dl>
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</li>
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<h4>setSourceImage</h4>
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<pre>public void setSourceImage(byte[] srcImage,
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int x,
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int y,
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int width,
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int pitch,
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int height,
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int pixelFormat)
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throws java.lang.Exception</pre>
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<div class="block">Associate an uncompressed RGB, grayscale, or CMYK source image with this
|
|
compressor instance.</div>
|
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>srcImage</code> - image buffer containing RGB, grayscale, or CMYK pixels to
|
|
be compressed or encoded</dd><dd><code>x</code> - x offset (in pixels) of the region in the source image from which
|
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the JPEG or YUV image should be compressed/encoded</dd><dd><code>y</code> - y offset (in pixels) of the region in the source image from which
|
|
the JPEG or YUV image should be compressed/encoded</dd><dd><code>width</code> - width (in pixels) of the region in the source image from
|
|
which the JPEG or YUV image should be compressed/encoded</dd><dd><code>pitch</code> - bytes per line of the source image. Normally, this should be
|
|
<code>width * TJ.pixelSize(pixelFormat)</code> if the source image is
|
|
unpadded, but you can use this parameter to, for instance, specify that
|
|
the scanlines in the source image are padded to a 4-byte boundary or to
|
|
compress/encode a JPEG or YUV image from a region of a larger source
|
|
image. You can also be clever and use this parameter to skip lines, etc.
|
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Setting this parameter to 0 is the equivalent of setting it to
|
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<code>width * TJ.pixelSize(pixelFormat)</code>.</dd><dd><code>height</code> - height (in pixels) of the region in the source image from
|
|
which the JPEG or YUV image should be compressed/encoded</dd><dd><code>pixelFormat</code> - pixel format of the source image (one of
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_RGB"><code>TJ.PF_*</code></a>)</dd>
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<dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.Exception</code></dd></dl>
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</li>
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</ul>
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<a name="setSourceImage(byte[], int, int, int, int)">
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<h4>setSourceImage</h4>
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<pre>@Deprecated
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public void setSourceImage(byte[] srcImage,
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int width,
|
|
int pitch,
|
|
int height,
|
|
int pixelFormat)
|
|
throws java.lang.Exception</pre>
|
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<div class="block"><span class="strong">Deprecated.</span> <i>Use
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[],%20int,%20int,%20int,%20int,%20int,%20int)"><code>setSourceImage(byte[], int, int, int, int, int, int)</code></a> instead.</i></div>
|
|
<dl><dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.Exception</code></dd></dl>
|
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</li>
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</ul>
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<a name="setSourceImage(java.awt.image.BufferedImage, int, int, int, int)">
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<pre>public void setSourceImage(java.awt.image.BufferedImage srcImage,
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int x,
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|
int y,
|
|
int width,
|
|
int height)
|
|
throws java.lang.Exception</pre>
|
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<div class="block">Associate an uncompressed RGB or grayscale source image with this
|
|
compressor instance.</div>
|
|
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>srcImage</code> - a <code>BufferedImage</code> instance containing RGB or
|
|
grayscale pixels to be compressed or encoded</dd><dd><code>x</code> - x offset (in pixels) of the region in the source image from which
|
|
the JPEG or YUV image should be compressed/encoded</dd><dd><code>y</code> - y offset (in pixels) of the region in the source image from which
|
|
the JPEG or YUV image should be compressed/encoded</dd><dd><code>width</code> - width (in pixels) of the region in the source image from
|
|
which the JPEG or YUV image should be compressed/encoded (0 = use the
|
|
width of the source image)</dd><dd><code>height</code> - height (in pixels) of the region in the source image from
|
|
which the JPEG or YUV image should be compressed/encoded (0 = use the
|
|
height of the source image)</dd>
|
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<dt><span class="strong">Throws:</span></dt>
|
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<dd><code>java.lang.Exception</code></dd></dl>
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</li>
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</ul>
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<a name="setSourceImage(org.libjpegturbo.turbojpeg.YUVImage)">
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<h4>setSourceImage</h4>
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<pre>public void setSourceImage(<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a> srcImage)
|
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throws java.lang.Exception</pre>
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<div class="block">Associate an uncompressed YUV planar source image with this compressor
|
|
instance.</div>
|
|
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>srcImage</code> - YUV planar image to be compressed</dd>
|
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<dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.Exception</code></dd></dl>
|
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</li>
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</ul>
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<a name="setSubsamp(int)">
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<h4>setSubsamp</h4>
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<pre>public void setSubsamp(int newSubsamp)
|
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throws java.lang.Exception</pre>
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<div class="block">Set the level of chrominance subsampling for subsequent compress/encode
|
|
operations. When pixels are converted from RGB to YCbCr (see
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJ.html#CS_YCbCr"><code>TJ.CS_YCbCr</code></a>) or from CMYK to YCCK (see <a href="../../../org/libjpegturbo/turbojpeg/TJ.html#CS_YCCK"><code>TJ.CS_YCCK</code></a>) as part
|
|
of the JPEG compression process, some of the Cb and Cr (chrominance)
|
|
components can be discarded or averaged together to produce a smaller
|
|
image with little perceptible loss of image clarity (the human eye is more
|
|
sensitive to small changes in brightness than to small changes in color.)
|
|
This is called "chrominance subsampling".
|
|
<p>
|
|
NOTE: This method has no effect when compressing a JPEG image from a YUV
|
|
planar source. In that case, the level of chrominance subsampling in
|
|
the JPEG image is determined by the source. Further, this method has no
|
|
effect when encoding to a pre-allocated <a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg"><code>YUVImage</code></a> instance. In
|
|
that case, the level of chrominance subsampling is determined by the
|
|
destination.</div>
|
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>newSubsamp</code> - the level of chrominance subsampling to use in
|
|
subsequent compress/encode oeprations (one of
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_444"><code>TJ.SAMP_*</code></a>)</dd>
|
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<dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.Exception</code></dd></dl>
|
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</li>
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</ul>
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<a name="setJPEGQuality(int)">
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<pre>public void setJPEGQuality(int quality)
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throws java.lang.Exception</pre>
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<div class="block">Set the JPEG image quality level for subsequent compress operations.</div>
|
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>quality</code> - the new JPEG image quality level (1 to 100, 1 = worst,
|
|
100 = best)</dd>
|
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<dt><span class="strong">Throws:</span></dt>
|
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<dd><code>java.lang.Exception</code></dd></dl>
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<a name="compress(byte[], int)">
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<h4>compress</h4>
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<pre>public void compress(byte[] dstBuf,
|
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int flags)
|
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throws java.lang.Exception</pre>
|
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<div class="block">Compress the uncompressed source image associated with this compressor
|
|
instance and output a JPEG image to the given destination buffer.</div>
|
|
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>dstBuf</code> - buffer that will receive the JPEG image. Use
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJ.html#bufSize(int,%20int,%20int)"><code>TJ.bufSize(int, int, int)</code></a> to determine the maximum size for this buffer based on
|
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the source image's width and height and the desired level of chrominance
|
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subsampling.</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>
|
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<dt><span class="strong">Throws:</span></dt>
|
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<dd><code>java.lang.Exception</code></dd></dl>
|
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</li>
|
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</ul>
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<a name="compress(int)">
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<h4>compress</h4>
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<pre>public byte[] compress(int flags)
|
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throws java.lang.Exception</pre>
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<div class="block">Compress the uncompressed source image associated with this compressor
|
|
instance and return a buffer containing a JPEG image.</div>
|
|
<dl><dt><span class="strong">Parameters:</span></dt><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>
|
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<dt><span class="strong">Returns:</span></dt><dd>a buffer containing a JPEG image. The length of this buffer will
|
|
not be equal to the size of the JPEG image. Use <a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#getCompressedSize()"><code>getCompressedSize()</code></a> to obtain the size of the JPEG image.</dd>
|
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<dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.Exception</code></dd></dl>
|
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</li>
|
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</ul>
|
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<a name="compress(java.awt.image.BufferedImage, byte[], int)">
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<h4>compress</h4>
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<pre>@Deprecated
|
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public void compress(java.awt.image.BufferedImage srcImage,
|
|
byte[] dstBuf,
|
|
int flags)
|
|
throws java.lang.Exception</pre>
|
|
<div class="block"><span class="strong">Deprecated.</span> <i>Use
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(java.awt.image.BufferedImage,%20int,%20int,%20int,%20int)"><code>setSourceImage(BufferedImage, int, int, int, int)</code></a> and
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#compress(byte[],%20int)"><code>compress(byte[], int)</code></a> instead.</i></div>
|
|
<dl><dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.Exception</code></dd></dl>
|
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</li>
|
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</ul>
|
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<a name="compress(java.awt.image.BufferedImage, int)">
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<h4>compress</h4>
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<pre>@Deprecated
|
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public byte[] compress(java.awt.image.BufferedImage srcImage,
|
|
int flags)
|
|
throws java.lang.Exception</pre>
|
|
<div class="block"><span class="strong">Deprecated.</span> <i>Use
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(java.awt.image.BufferedImage,%20int,%20int,%20int,%20int)"><code>setSourceImage(BufferedImage, int, int, int, int)</code></a> and
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#compress(int)"><code>compress(int)</code></a> instead.</i></div>
|
|
<dl><dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.Exception</code></dd></dl>
|
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</li>
|
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</ul>
|
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<a name="encodeYUV(org.libjpegturbo.turbojpeg.YUVImage, int)">
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<h4>encodeYUV</h4>
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<pre>public void encodeYUV(<a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a> dstImage,
|
|
int flags)
|
|
throws java.lang.Exception</pre>
|
|
<div class="block">Encode the uncompressed source image associated with this compressor
|
|
instance into a YUV planar image and store it in the given
|
|
<code>YUVImage</code> instance. This method uses the accelerated color
|
|
conversion routines in TurboJPEG's underlying codec but does not execute
|
|
any of the other steps in the JPEG compression process. Encoding
|
|
CMYK source images to YUV is not supported.</div>
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<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</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>
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<dt><span class="strong">Throws:</span></dt>
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|
<dd><code>java.lang.Exception</code></dd></dl>
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</li>
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</ul>
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<a name="encodeYUV(byte[], int)">
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</a>
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<ul class="blockList">
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<li class="blockList">
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<h4>encodeYUV</h4>
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<pre>@Deprecated
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public void encodeYUV(byte[] dstBuf,
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int flags)
|
|
throws java.lang.Exception</pre>
|
|
<div class="block"><span class="strong">Deprecated.</span> <i>Use <a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(org.libjpegturbo.turbojpeg.YUVImage,%20int)"><code>encodeYUV(YUVImage, int)</code></a> instead.</i></div>
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<dl><dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.Exception</code></dd></dl>
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</li>
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</ul>
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<a name="encodeYUV(int, int)">
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</a>
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<ul class="blockList">
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<h4>encodeYUV</h4>
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<pre>public <a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a> encodeYUV(int pad,
|
|
int flags)
|
|
throws java.lang.Exception</pre>
|
|
<div class="block">Encode the uncompressed source image associated with this compressor
|
|
instance into a unified YUV planar image buffer and return a
|
|
<code>YUVImage</code> instance containing the encoded image. This method
|
|
uses the accelerated color conversion routines in TurboJPEG's underlying
|
|
codec but does not execute any of the other steps in the JPEG compression
|
|
process. Encoding CMYK source images to YUV is not supported.</div>
|
|
<dl><dt><span class="strong">Parameters:</span></dt><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>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>java.lang.Exception</code></dd></dl>
|
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</li>
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</ul>
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<a name="encodeYUV(int[], int)">
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</a>
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<ul class="blockList">
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<h4>encodeYUV</h4>
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<pre>public <a href="../../../org/libjpegturbo/turbojpeg/YUVImage.html" title="class in org.libjpegturbo.turbojpeg">YUVImage</a> encodeYUV(int[] strides,
|
|
int flags)
|
|
throws java.lang.Exception</pre>
|
|
<div class="block">Encode the uncompressed source image associated with this compressor
|
|
instance into separate Y, U (Cb), and V (Cr) image planes and return a
|
|
<code>YUVImage</code> instance containing the encoded image planes. This
|
|
method uses the accelerated color conversion routines in TurboJPEG's
|
|
underlying codec but does not execute any of the other steps in the JPEG
|
|
compression process. Encoding CMYK source images to YUV is not supported.</div>
|
|
<dl><dt><span class="strong">Parameters:</span></dt><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 component width
|
|
of the plane. If <code>strides</code> is null, then the strides for all
|
|
planes will be set to their respective component widths. You can adjust
|
|
the strides in order to add an arbitrary amount of line padding to each
|
|
plane.</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>java.lang.Exception</code></dd></dl>
|
|
</li>
|
|
</ul>
|
|
<a name="encodeYUV(int)">
|
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<!-- -->
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</a>
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<ul class="blockList">
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<li class="blockList">
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<h4>encodeYUV</h4>
|
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<pre>@Deprecated
|
|
public byte[] encodeYUV(int flags)
|
|
throws java.lang.Exception</pre>
|
|
<div class="block"><span class="strong">Deprecated.</span> <i>Use <a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(int,%20int)"><code>encodeYUV(int, int)</code></a> instead.</i></div>
|
|
<dl><dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.Exception</code></dd></dl>
|
|
</li>
|
|
</ul>
|
|
<a name="encodeYUV(java.awt.image.BufferedImage, byte[], int)">
|
|
<!-- -->
|
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</a>
|
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<ul class="blockList">
|
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<li class="blockList">
|
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<h4>encodeYUV</h4>
|
|
<pre>@Deprecated
|
|
public void encodeYUV(java.awt.image.BufferedImage srcImage,
|
|
byte[] dstBuf,
|
|
int flags)
|
|
throws java.lang.Exception</pre>
|
|
<div class="block"><span class="strong">Deprecated.</span> <i>Use
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(java.awt.image.BufferedImage,%20int,%20int,%20int,%20int)"><code>setSourceImage(BufferedImage, int, int, int, int)</code></a> and
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(byte[],%20int)"><code>encodeYUV(byte[], int)</code></a> instead.</i></div>
|
|
<dl><dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.Exception</code></dd></dl>
|
|
</li>
|
|
</ul>
|
|
<a name="encodeYUV(java.awt.image.BufferedImage, int)">
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<!-- -->
|
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</a>
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<ul class="blockList">
|
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<li class="blockList">
|
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<h4>encodeYUV</h4>
|
|
<pre>@Deprecated
|
|
public byte[] encodeYUV(java.awt.image.BufferedImage srcImage,
|
|
int flags)
|
|
throws java.lang.Exception</pre>
|
|
<div class="block"><span class="strong">Deprecated.</span> <i>Use
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(java.awt.image.BufferedImage,%20int,%20int,%20int,%20int)"><code>setSourceImage(BufferedImage, int, int, int, int)</code></a> and
|
|
<a href="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(int,%20int)"><code>encodeYUV(int, int)</code></a> instead.</i></div>
|
|
<dl><dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.Exception</code></dd></dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getCompressedSize()">
|
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<!-- -->
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</a>
|
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<ul class="blockList">
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<li class="blockList">
|
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<h4>getCompressedSize</h4>
|
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<pre>public int getCompressedSize()</pre>
|
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<div class="block">Returns the size of the image (in bytes) generated by the most recent
|
|
compress operation.</div>
|
|
<dl><dt><span class="strong">Returns:</span></dt><dd>the size of the image (in bytes) generated by the most recent
|
|
compress operation.</dd></dl>
|
|
</li>
|
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</ul>
|
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<a name="close()">
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<!-- -->
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</a>
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<ul class="blockList">
|
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<li class="blockList">
|
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<h4>close</h4>
|
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<pre>public void close()
|
|
throws java.lang.Exception</pre>
|
|
<div class="block">Free the native structures associated with this compressor instance.</div>
|
|
<dl><dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.Exception</code></dd></dl>
|
|
</li>
|
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</ul>
|
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<a name="finalize()">
|
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<!-- -->
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</a>
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<ul class="blockListLast">
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<li class="blockList">
|
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<h4>finalize</h4>
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<pre>protected void finalize()
|
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throws java.lang.Throwable</pre>
|
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<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>
|
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</li>
|
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</ul>
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</li>
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</ul>
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</li>
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