kc3-lang/libjpeg-turbo/java/doc/org/libjpegturbo/turbojpeg/TJTransform.html
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Hash : df9dbff8
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Date : 2023-11-11T12:25:03
TurboJPEG: New param to limit virt array mem usage This corresponds to max_memory_to_use in the jpeg_memory_mgr struct in the libjpeg API, except that the TurboJPEG parameter is specified in megabytes. Because this is 2023 and computers with less than 1 MB of memory are not a thing (at least not within the scope of libjpeg-turbo support), it isn't useful to allow a limit less than 1 MB to be specified. Furthermore, because TurboJPEG parameters are signed integers, if we allowed the memory limit to be specified in bytes, then it would be impossible to specify a limit larger than 2 GB on 64-bit machines. Because max_memory_to_use is a long signed integer, effectively we can specify a limit of up to 2 petabytes on 64-bit machines if the TurboJPEG parameter is specified in megabytes. (2 PB should be enough for anybody, right?) This commit also bumps the TurboJPEG API version to 3.0.1. Since the TurboJPEG API version no longer tracks the libjpeg-turbo version, it makes sense to increment the API revision number when adding constants, to increment the minor version number when adding functions, and to increment the major version number for a complete overhaul. This commit also removes the vestigial TJ_NUMPARAM macro, which was never defined because it proved unnecessary. Partially implements #735
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java/doc/org/libjpegturbo/turbojpeg/TJTransform.html
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<!DOCTYPE HTML> <!-- NewPage --> <html lang="en"> <head> <!-- Generated by javadoc --> <title>TJTransform</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style"> <link rel="stylesheet" type="text/css" href="../../../jquery/jquery-ui.min.css" title="Style"> <link rel="stylesheet" type="text/css" href="../../../jquery-ui.overrides.css" title="Style"> <script type="text/javascript" src="../../../script.js"></script> <script type="text/javascript" src="../../../jquery/jszip/dist/jszip.min.js"></script> <script type="text/javascript" src="../../../jquery/jszip-utils/dist/jszip-utils.min.js"></script> <!--[if IE]> <script type="text/javascript" src="../../../jquery/jszip-utils/dist/jszip-utils-ie.min.js"></script> <![endif]--> <script type="text/javascript" src="../../../jquery/jquery-3.6.1.min.js"></script> <script type="text/javascript" src="../../../jquery/jquery-ui.min.js"></script> </head> <body> <script type="text/javascript"><!-- try { if (location.href.indexOf('is-external=true') == -1) { parent.document.title="TJTransform"; } } catch(err) { } //--> var pathtoroot = "../../../"; var useModuleDirectories = true; loadScripts(document, 'script');</script> <noscript> <div>JavaScript is disabled on your browser.</div> </noscript> <header role="banner"> <nav role="navigation"> <div class="fixedNav"> <!-- ========= START OF TOP NAVBAR ======= --> <div class="topNav"><a id="navbar.top"> <!-- --> </a> <div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div> <a id="navbar.top.firstrow"> <!-- --> </a> <ul class="navList" title="Navigation"> <li><a href="package-summary.html">Package</a></li> <li class="navBarCell1Rev">Class</li> <li><a href="package-tree.html">Tree</a></li> <li><a href="../../../deprecated-list.html">Deprecated</a></li> <li><a href="../../../index-all.html">Index</a></li> <li><a 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<li>Detail: </li> <li><a href="#field.detail">Field</a> | </li> <li><a href="#constructor.detail">Constr</a> | </li> <li>Method</li> </ul> </div> <a id="skip.navbar.top"> <!-- --> </a></div> <!-- ========= END OF TOP NAVBAR ========= --> </div> <div class="navPadding"> </div> <script type="text/javascript"><!-- $('.navPadding').css('padding-top', $('.fixedNav').css("height")); //--> </script> </nav> </header> <!-- ======== START OF CLASS DATA ======== --> <main role="main"> <div class="header"> <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.libjpegturbo.turbojpeg</a></div> <h2 title="Class TJTransform" class="title">Class TJTransform</h2> </div> <div class="contentContainer"> <ul class="inheritance"> <li>java.lang.Object</li> <li> <ul class="inheritance"> <li>java.awt.geom.RectangularShape</li> <li> <ul class="inheritance"> <li>java.awt.geom.Rectangle2D</li> <li> <ul class="inheritance"> <li>java.awt.Rectangle</li> <li> <ul class="inheritance"> <li>org.libjpegturbo.turbojpeg.TJTransform</li> </ul> </li> </ul> </li> </ul> </li> </ul> </li> </ul> <div class="description"> <ul class="blockList"> <li class="blockList"> <dl> <dt>All Implemented Interfaces:</dt> <dd><code>java.awt.Shape</code>, <code>java.io.Serializable</code>, <code>java.lang.Cloneable</code></dd> </dl> <hr> <pre>public class <span class="typeNameLabel">TJTransform</span> extends java.awt.Rectangle</pre> <div class="block">Lossless transform parameters</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="../../../serialized-form.html#org.libjpegturbo.turbojpeg.TJTransform">Serialized Form</a></dd> </dl> </li> </ul> </div> <div class="summary"> <ul class="blockList"> <li class="blockList"> <!-- ======== NESTED CLASS SUMMARY ======== --> <section> <ul class="blockList"> <li class="blockList"><a id="nested.class.summary"> <!-- --> </a> <h3>Nested Class Summary</h3> <ul class="blockList"> <li class="blockList"><a id="nested.classes.inherited.from.class.java.awt.geom.Rectangle2D"> <!-- --> </a> <h3>Nested classes/interfaces inherited from class java.awt.geom.Rectangle2D</h3> <code>java.awt.geom.Rectangle2D.Double, java.awt.geom.Rectangle2D.Float</code></li> </ul> </li> </ul> </section> <!-- =========== FIELD SUMMARY =========== --> <section> <ul class="blockList"> <li class="blockList"><a id="field.summary"> <!-- --> </a> <h3>Field Summary</h3> <table class="memberSummary"> <caption><span>Fields</span><span class="tabEnd"> </span></caption> <tr> <th class="colFirst" scope="col">Modifier and Type</th> <th class="colSecond" scope="col">Field</th> <th class="colLast" scope="col">Description</th> </tr> <tr class="altColor"> <td class="colFirst"><code><a href="TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</a></code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cf">cf</a></span></code></th> <td class="colLast"> <div class="block">Custom filter instance</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#NUMOP">NUMOP</a></span></code></th> <td class="colLast"> <div class="block">The number of lossless transform operations</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#op">op</a></span></code></th> <td class="colLast"> <div class="block">Transform operation (one of <a href="#OP_NONE"><code>OP_*</code></a>)</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#OP_HFLIP">OP_HFLIP</a></span></code></th> <td class="colLast"> <div class="block">Flip (mirror) image horizontally.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#OP_NONE">OP_NONE</a></span></code></th> <td class="colLast"> <div class="block">Do not transform the position of the image pixels.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#OP_ROT180">OP_ROT180</a></span></code></th> <td class="colLast"> <div class="block">Rotate image 180 degrees.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#OP_ROT270">OP_ROT270</a></span></code></th> <td class="colLast"> <div class="block">Rotate image counter-clockwise by 90 degrees.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#OP_ROT90">OP_ROT90</a></span></code></th> <td class="colLast"> <div class="block">Rotate image clockwise by 90 degrees.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#OP_TRANSPOSE">OP_TRANSPOSE</a></span></code></th> <td class="colLast"> <div class="block">Transpose image (flip/mirror along upper left to lower right axis).</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#OP_TRANSVERSE">OP_TRANSVERSE</a></span></code></th> <td class="colLast"> <div class="block">Transverse transpose image (flip/mirror along upper right to lower left axis).</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#OP_VFLIP">OP_VFLIP</a></span></code></th> <td class="colLast"> <div class="block">Flip (mirror) image vertically.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#OPT_ARITHMETIC">OPT_ARITHMETIC</a></span></code></th> <td class="colLast"> <div class="block">This option will enable arithmetic entropy coding in the JPEG image generated by this particular transform.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#OPT_COPYNONE">OPT_COPYNONE</a></span></code></th> <td class="colLast"> <div class="block">This option will prevent <a href="TJTransformer.html#transform(byte%5B%5D%5B%5D,org.libjpegturbo.turbojpeg.TJTransform%5B%5D)"><code>TJTransformer.transform()</code></a> from copying any extra markers (including EXIF and ICC profile data) from the source image to the destination image.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#OPT_CROP">OPT_CROP</a></span></code></th> <td class="colLast"> <div class="block">This option will enable lossless cropping.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#OPT_GRAY">OPT_GRAY</a></span></code></th> <td class="colLast"> <div class="block">This option will discard the color data in the source image and produce a grayscale destination image.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#OPT_NOOUTPUT">OPT_NOOUTPUT</a></span></code></th> <td class="colLast"> <div class="block">This option will prevent <a href="TJTransformer.html#transform(byte%5B%5D%5B%5D,org.libjpegturbo.turbojpeg.TJTransform%5B%5D)"><code>TJTransformer.transform()</code></a> from outputting a JPEG image for this particular transform.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#OPT_OPTIMIZE">OPT_OPTIMIZE</a></span></code></th> <td class="colLast"> <div class="block">This option will enable optimized baseline entropy coding in the JPEG image generated by this particular transform.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#OPT_PERFECT">OPT_PERFECT</a></span></code></th> <td class="colLast"> <div class="block">This option will cause <a href="TJTransformer.html#transform(byte%5B%5D%5B%5D,org.libjpegturbo.turbojpeg.TJTransform%5B%5D)"><code>TJTransformer.transform()</code></a> to throw an exception if the transform is not perfect.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#OPT_PROGRESSIVE">OPT_PROGRESSIVE</a></span></code></th> <td class="colLast"> <div class="block">This option will enable progressive entropy coding in the JPEG image generated by this particular transform.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#OPT_TRIM">OPT_TRIM</a></span></code></th> <td class="colLast"> <div class="block">This option will discard any partial MCU blocks that cannot be transformed.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>int</code></td> <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#options">options</a></span></code></th> <td class="colLast"> <div class="block">Transform options (bitwise OR of one or more of <a href="#OPT_PERFECT"><code>OPT_*</code></a>)</div> </td> </tr> </table> <ul class="blockList"> <li class="blockList"><a id="fields.inherited.from.class.java.awt.Rectangle"> <!-- --> </a> <h3>Fields inherited from class java.awt.Rectangle</h3> <code>height, width, x, y</code></li> </ul> <ul class="blockList"> <li class="blockList"><a id="fields.inherited.from.class.java.awt.geom.Rectangle2D"> <!-- --> </a> <h3>Fields inherited from class java.awt.geom.Rectangle2D</h3> <code>OUT_BOTTOM, OUT_LEFT, OUT_RIGHT, OUT_TOP</code></li> </ul> </li> </ul> </section> <!-- ======== CONSTRUCTOR SUMMARY ======== --> <section> <ul class="blockList"> <li class="blockList"><a id="constructor.summary"> <!-- --> </a> <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()">TJTransform</a></span>()</code></th> <td class="colLast"> <div class="block">Create a new lossless transform instance.</div> </td> </tr> <tr class="rowColor"> <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(int,int,int,int,int,int,org.libjpegturbo.turbojpeg.TJCustomFilter)">TJTransform</a></span>​(int x, int y, int w, int h, int op, int options, <a href="TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</a> cf)</code></th> <td class="colLast"> <div class="block">Create a new lossless transform instance with the given parameters.</div> </td> </tr> <tr class="altColor"> <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.awt.Rectangle,int,int,org.libjpegturbo.turbojpeg.TJCustomFilter)">TJTransform</a></span>​(java.awt.Rectangle r, int op, int options, <a href="TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</a> cf)</code></th> <td class="colLast"> <div class="block">Create a new lossless transform instance with the given parameters.</div> </td> </tr> </table> </li> </ul> </section> <!-- ========== METHOD SUMMARY =========== --> <section> <ul class="blockList"> <li class="blockList"><a id="method.summary"> <!-- --> </a> <h3>Method Summary</h3> <ul class="blockList"> <li class="blockList"><a id="methods.inherited.from.class.java.awt.Rectangle"> <!-- --> </a> <h3>Methods inherited from class java.awt.Rectangle</h3> <code>add, add, add, contains, contains, contains, contains, createIntersection, createUnion, equals, getBounds, getBounds2D, getHeight, getLocation, getSize, getWidth, getX, getY, grow, inside, intersection, intersects, isEmpty, move, outcode, reshape, resize, setBounds, setBounds, setLocation, setLocation, setRect, setSize, setSize, toString, translate, union</code></li> </ul> <ul class="blockList"> <li class="blockList"><a id="methods.inherited.from.class.java.awt.geom.Rectangle2D"> <!-- --> </a> <h3>Methods inherited from class java.awt.geom.Rectangle2D</h3> <code>add, add, add, contains, contains, getPathIterator, getPathIterator, hashCode, intersect, intersects, intersectsLine, intersectsLine, outcode, setFrame, setRect, union</code></li> </ul> <ul class="blockList"> <li class="blockList"><a id="methods.inherited.from.class.java.awt.geom.RectangularShape"> <!-- --> </a> <h3>Methods inherited from class java.awt.geom.RectangularShape</h3> <code>clone, contains, contains, getCenterX, getCenterY, getFrame, getMaxX, getMaxY, getMinX, getMinY, intersects, setFrame, setFrame, setFrameFromCenter, setFrameFromCenter, setFrameFromDiagonal, setFrameFromDiagonal</code></li> </ul> <ul class="blockList"> <li class="blockList"><a id="methods.inherited.from.class.java.lang.Object"> <!-- --> </a> <h3>Methods inherited from class java.lang.Object</h3> <code>finalize, getClass, notify, notifyAll, wait, wait, wait</code></li> </ul> <ul class="blockList"> <li class="blockList"><a id="methods.inherited.from.class.java.awt.Shape"> <!-- --> </a> <h3>Methods inherited from interface java.awt.Shape</h3> <code>contains, contains, contains, contains, getPathIterator, getPathIterator, intersects, intersects</code></li> </ul> </li> </ul> </section> </li> </ul> </div> <div class="details"> <ul class="blockList"> <li class="blockList"> <!-- ============ FIELD DETAIL =========== --> <section> <ul class="blockList"> <li class="blockList"><a id="field.detail"> <!-- --> </a> <h3>Field Detail</h3> <a id="NUMOP"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>NUMOP</h4> <pre>public static final int NUMOP</pre> <div class="block">The number of lossless transform operations</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.NUMOP">Constant Field Values</a></dd> </dl> </li> </ul> <a id="OP_NONE"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>OP_NONE</h4> <pre>public static final int OP_NONE</pre> <div class="block">Do not transform the position of the image pixels.</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_NONE">Constant Field Values</a></dd> </dl> </li> </ul> <a id="OP_HFLIP"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>OP_HFLIP</h4> <pre>public static final int OP_HFLIP</pre> <div class="block">Flip (mirror) image horizontally. This transform is imperfect if there are any partial MCU blocks on the right edge.</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="#OPT_PERFECT"><code>OPT_PERFECT</code></a>, <a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_HFLIP">Constant Field Values</a></dd> </dl> </li> </ul> <a id="OP_VFLIP"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>OP_VFLIP</h4> <pre>public static final int OP_VFLIP</pre> <div class="block">Flip (mirror) image vertically. This transform is imperfect if there are any partial MCU blocks on the bottom edge.</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="#OPT_PERFECT"><code>OPT_PERFECT</code></a>, <a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_VFLIP">Constant Field Values</a></dd> </dl> </li> </ul> <a id="OP_TRANSPOSE"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>OP_TRANSPOSE</h4> <pre>public static final int OP_TRANSPOSE</pre> <div class="block">Transpose image (flip/mirror along upper left to lower right axis). This transform is always perfect.</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="#OPT_PERFECT"><code>OPT_PERFECT</code></a>, <a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_TRANSPOSE">Constant Field Values</a></dd> </dl> </li> </ul> <a id="OP_TRANSVERSE"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>OP_TRANSVERSE</h4> <pre>public static final int OP_TRANSVERSE</pre> <div class="block">Transverse transpose image (flip/mirror along upper right to lower left axis). This transform is imperfect if there are any partial MCU blocks in the image.</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="#OPT_PERFECT"><code>OPT_PERFECT</code></a>, <a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_TRANSVERSE">Constant Field Values</a></dd> </dl> </li> </ul> <a id="OP_ROT90"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>OP_ROT90</h4> <pre>public static final int OP_ROT90</pre> <div class="block">Rotate image clockwise by 90 degrees. This transform is imperfect if there are any partial MCU blocks on the bottom edge.</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="#OPT_PERFECT"><code>OPT_PERFECT</code></a>, <a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_ROT90">Constant Field Values</a></dd> </dl> </li> </ul> <a id="OP_ROT180"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>OP_ROT180</h4> <pre>public static final int OP_ROT180</pre> <div class="block">Rotate image 180 degrees. This transform is imperfect if there are any partial MCU blocks in the image.</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="#OPT_PERFECT"><code>OPT_PERFECT</code></a>, <a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_ROT180">Constant Field Values</a></dd> </dl> </li> </ul> <a id="OP_ROT270"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>OP_ROT270</h4> <pre>public static final int OP_ROT270</pre> <div class="block">Rotate image counter-clockwise by 90 degrees. This transform is imperfect if there are any partial MCU blocks on the right edge.</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="#OPT_PERFECT"><code>OPT_PERFECT</code></a>, <a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_ROT270">Constant Field Values</a></dd> </dl> </li> </ul> <a id="OPT_PERFECT"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>OPT_PERFECT</h4> <pre>public static final int OPT_PERFECT</pre> <div class="block">This option will cause <a href="TJTransformer.html#transform(byte%5B%5D%5B%5D,org.libjpegturbo.turbojpeg.TJTransform%5B%5D)"><code>TJTransformer.transform()</code></a> to throw an exception if the transform is not perfect. Lossless transforms operate on MCU blocks, whose size depends on the level of chrominance subsampling used. If the image's width or height is not evenly divisible by the MCU block size (see <a href="TJ.html#getMCUWidth(int)"><code>TJ.getMCUWidth()</code></a> and <a href="TJ.html#getMCUHeight(int)"><code>TJ.getMCUHeight()</code></a>), then there will be partial MCU blocks on the right and/or bottom edges. It is not possible to move these partial MCU blocks to the top or left of the image, so any transform that would require that is "imperfect." If this option is not specified, then any partial MCU blocks that cannot be transformed will be left in place, which will create odd-looking strips on the right or bottom edge of the image.</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_PERFECT">Constant Field Values</a></dd> </dl> </li> </ul> <a id="OPT_TRIM"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>OPT_TRIM</h4> <pre>public static final int OPT_TRIM</pre> <div class="block">This option will discard any partial MCU blocks that cannot be transformed.</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_TRIM">Constant Field Values</a></dd> </dl> </li> </ul> <a id="OPT_CROP"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>OPT_CROP</h4> <pre>public static final int OPT_CROP</pre> <div class="block">This option will enable lossless cropping.</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_CROP">Constant Field Values</a></dd> </dl> </li> </ul> <a id="OPT_GRAY"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>OPT_GRAY</h4> <pre>public static final int OPT_GRAY</pre> <div class="block">This option will discard the color data in the source image and produce a grayscale destination image.</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_GRAY">Constant Field Values</a></dd> </dl> </li> </ul> <a id="OPT_NOOUTPUT"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>OPT_NOOUTPUT</h4> <pre>public static final int OPT_NOOUTPUT</pre> <div class="block">This option will prevent <a href="TJTransformer.html#transform(byte%5B%5D%5B%5D,org.libjpegturbo.turbojpeg.TJTransform%5B%5D)"><code>TJTransformer.transform()</code></a> from outputting a JPEG image for this particular transform. This can be used in conjunction with a custom filter to capture the transformed DCT coefficients without transcoding them.</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_NOOUTPUT">Constant Field Values</a></dd> </dl> </li> </ul> <a id="OPT_PROGRESSIVE"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>OPT_PROGRESSIVE</h4> <pre>public static final int OPT_PROGRESSIVE</pre> <div class="block">This option will enable progressive entropy coding in the JPEG image generated by this particular transform. Progressive entropy coding will generally improve compression relative to baseline entropy coding (the default), but it will reduce decompression performance considerably. Can be combined with <a href="#OPT_ARITHMETIC"><code>OPT_ARITHMETIC</code></a>. Implies <a href="#OPT_OPTIMIZE"><code>OPT_OPTIMIZE</code></a> unless <a href="#OPT_ARITHMETIC"><code>OPT_ARITHMETIC</code></a> is also specified.</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_PROGRESSIVE">Constant Field Values</a></dd> </dl> </li> </ul> <a id="OPT_COPYNONE"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>OPT_COPYNONE</h4> <pre>public static final int OPT_COPYNONE</pre> <div class="block">This option will prevent <a href="TJTransformer.html#transform(byte%5B%5D%5B%5D,org.libjpegturbo.turbojpeg.TJTransform%5B%5D)"><code>TJTransformer.transform()</code></a> from copying any extra markers (including EXIF and ICC profile data) from the source image to the destination image.</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_COPYNONE">Constant Field Values</a></dd> </dl> </li> </ul> <a id="OPT_ARITHMETIC"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>OPT_ARITHMETIC</h4> <pre>public static final int OPT_ARITHMETIC</pre> <div class="block">This option will enable arithmetic entropy coding in the JPEG image generated by this particular transform. Arithmetic entropy coding will generally improve compression relative to Huffman entropy coding (the default), but it will reduce decompression performance considerably. Can be combined with <a href="#OPT_PROGRESSIVE"><code>OPT_PROGRESSIVE</code></a>.</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_ARITHMETIC">Constant Field Values</a></dd> </dl> </li> </ul> <a id="OPT_OPTIMIZE"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>OPT_OPTIMIZE</h4> <pre>public static final int OPT_OPTIMIZE</pre> <div class="block">This option will enable optimized baseline entropy coding in the JPEG image generated by this particular transform. Optimized baseline entropy coding will improve compression slightly (generally 5% or less.)</div> <dl> <dt><span class="seeLabel">See Also:</span></dt> <dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_OPTIMIZE">Constant Field Values</a></dd> </dl> </li> </ul> <a id="op"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>op</h4> <pre>public int op</pre> <div class="block">Transform operation (one of <a href="#OP_NONE"><code>OP_*</code></a>)</div> </li> </ul> <a id="options"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>options</h4> <pre>public int options</pre> <div class="block">Transform options (bitwise OR of one or more of <a href="#OPT_PERFECT"><code>OPT_*</code></a>)</div> </li> </ul> <a id="cf"> <!-- --> </a> <ul class="blockListLast"> <li class="blockList"> <h4>cf</h4> <pre>public <a href="TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</a> cf</pre> <div class="block">Custom filter instance</div> </li> </ul> </li> </ul> </section> <!-- ========= CONSTRUCTOR DETAIL ======== --> <section> <ul class="blockList"> <li class="blockList"><a id="constructor.detail"> <!-- --> </a> <h3>Constructor Detail</h3> <a id="<init>()"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>TJTransform</h4> <pre>public TJTransform()</pre> <div class="block">Create a new lossless transform instance.</div> </li> </ul> <a id="<init>(int,int,int,int,int,int,org.libjpegturbo.turbojpeg.TJCustomFilter)"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>TJTransform</h4> <pre>public TJTransform​(int x, int y, int w, int h, int op, int options, <a href="TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</a> cf)</pre> <div class="block">Create a new lossless transform instance with the given parameters.</div> <dl> <dt><span class="paramLabel">Parameters:</span></dt> <dd><code>x</code> - the left boundary of the cropping region. This must be evenly divisible by the MCU block width (see <a href="TJ.html#getMCUWidth(int)"><code>TJ.getMCUWidth()</code></a>)</dd> <dd><code>y</code> - the upper boundary of the cropping region. This must be evenly divisible by the MCU block height (see <a href="TJ.html#getMCUHeight(int)"><code>TJ.getMCUHeight()</code></a>)</dd> <dd><code>w</code> - the width of the cropping region. Setting this to 0 is the equivalent of setting it to (width of the source JPEG image - <code>x</code>).</dd> <dd><code>h</code> - the height of the cropping region. Setting this to 0 is the equivalent of setting it to (height of the source JPEG image - <code>y</code>).</dd> <dd><code>op</code> - one of the transform operations (<a href="#OP_NONE"><code>OP_*</code></a>)</dd> <dd><code>options</code> - the bitwise OR of one or more of the transform options (<a href="#OPT_PERFECT"><code>OPT_*</code></a>)</dd> <dd><code>cf</code> - an instance of an object that implements the <a href="TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg"><code>TJCustomFilter</code></a> interface, or null if no custom filter is needed</dd> </dl> </li> </ul> <a id="<init>(java.awt.Rectangle,int,int,org.libjpegturbo.turbojpeg.TJCustomFilter)"> <!-- --> </a> <ul class="blockListLast"> <li class="blockList"> <h4>TJTransform</h4> <pre>public TJTransform​(java.awt.Rectangle r, int op, int options, <a href="TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</a> cf)</pre> <div class="block">Create a new lossless transform instance with the given parameters.</div> <dl> <dt><span class="paramLabel">Parameters:</span></dt> <dd><code>r</code> - a <code>java.awt.Rectangle</code> instance that specifies the cropping region. See <a href="#%3Cinit%3E(int,int,int,int,int,int,org.libjpegturbo.turbojpeg.TJCustomFilter)"><code>TJTransform(int, int, int, int, int, int, TJCustomFilter)</code></a> for more details.</dd> <dd><code>op</code> - one of the transform operations (<a href="#OP_NONE"><code>OP_*</code></a>)</dd> <dd><code>options</code> - the bitwise OR of one or more of the transform options (<a href="#OPT_PERFECT"><code>OPT_*</code></a>)</dd> <dd><code>cf</code> - an instance of an object that implements the <a href="TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg"><code>TJCustomFilter</code></a> interface, or null if no custom filter is needed</dd> </dl> </li> </ul> </li> </ul> </section> </li> </ul> </div> </div> </main> <!-- ========= END OF CLASS DATA ========= --> <footer role="contentinfo"> <nav role="navigation"> <!-- ======= START OF BOTTOM NAVBAR ====== --> <div class="bottomNav"><a id="navbar.bottom"> <!-- --> </a> <div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> <a id="navbar.bottom.firstrow"> <!-- --> </a> <ul class="navList" title="Navigation"> <li><a href="package-summary.html">Package</a></li> <li class="navBarCell1Rev">Class</li> <li><a href="package-tree.html">Tree</a></li> <li><a href="../../../deprecated-list.html">Deprecated</a></li> <li><a href="../../../index-all.html">Index</a></li> <li><a href="../../../help-doc.html">Help</a></li> </ul> </div> <div class="subNav"> <ul class="navList" id="allclasses_navbar_bottom"> <li><a href="../../../allclasses.html">All Classes</a></li> </ul> <div> <script type="text/javascript"><!-- allClassesLink = document.getElementById("allclasses_navbar_bottom"); if(window==top) { allClassesLink.style.display = "block"; } else { allClassesLink.style.display = "none"; } //--> </script> <noscript> <div>JavaScript is disabled on your browser.</div> </noscript> </div> <div> <ul class="subNavList"> <li>Summary: </li> <li><a href="#nested.class.summary">Nested</a> | </li> <li><a href="#field.summary">Field</a> | </li> <li><a href="#constructor.summary">Constr</a> | </li> <li><a href="#method.summary">Method</a></li> </ul> <ul class="subNavList"> <li>Detail: </li> <li><a href="#field.detail">Field</a> | </li> <li><a href="#constructor.detail">Constr</a> | </li> <li>Method</li> </ul> </div> <a id="skip.navbar.bottom"> <!-- --> </a></div> <!-- ======== END OF BOTTOM NAVBAR ======= --> </nav> </footer> </body> </html>