mirror of
https://github.com/Hopiu/fabric.js.git
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131 lines
5.3 KiB
HTML
Executable file
131 lines
5.3 KiB
HTML
Executable file
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
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<meta name="keywords" content="W3C SVG 1.1 Test Suite testsuite mobile"/>
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<meta name="description" content="W3C SVG 1.2 Tiny Test Suite"/>
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<title>
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SVG 1.2 Tiny test:animate-elem-213-t </title>
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<style type="text/css">
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<!--
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.bodytext { font-family:verdana, helvetica, sans-serif; font-size: 12pt; line-height: 125%; text-align: Left; margin-top: 0; margin-bottom: 0 }
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.pageTitle { line-height: 150%; font-size: 20pt; font-weight : 900; margin-bottom: 20pt }
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.pageSubTitle { color : blue; line-height: 100%; font-size: 24pt; font-weight : 900 }
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.openChapter { color : blue; line-height: 125%; font-weight : 900 }
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.openSection { color : blue; line-height: 125%; font-weight : 900 }
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.info { color : black; line-height: 110%; font-size: 10pt; font-weight : 100 }
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p { margin-top:0; margin-bottom:0; padding-top:0; padding-bottom:0 }
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blockquote { margin-top:0; margin-bottom:0; padding-top:0; padding-bottom:0 }
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.opscript {margin-left: 3%; margin-right: 3%; }
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.opscript p { margin-top: 0.7em}
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.navbar {background: black; color: white; font-weight: bold}
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-->
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</style>
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</head>
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<body class="bodytext">
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<div class="linkbar">
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<p>
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<a href="animate-elem-213-t.html">Tiny version</a></p>
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<p>Specification link: <a target="spec" href="http://www.w3.org/TR/SVGMobile12/animate.html">16.2 Animation elements</a></p>
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<p>
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<a href="animate-elem-212-t.html">animate-elem-212-t ←</a>
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<a href="index.html">index</a>
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<a href="animate-elem-214-t.html">→ animate-elem-214-t</a>
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</p></div>
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<table align="center" border="0" cellspacing="0" cellpadding="10">
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<tr>
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<td align="center" colspan="3">
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<table border="0" cellpadding="8">
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<tr>
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<td align="center" colspan="2" class="pageTitle">
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<h1>animate-elem-213-t</h1>
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</td>
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</tr>
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<tr class="navbar">
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<td align="center">
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SVG Image
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</td>
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<td align="center">
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PNG Image
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</td>
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</tr>
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<tr>
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<td align="right">
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<object data="../svggen/animate-elem-213-t.svg" width="480" height="360" type="image/svg+xml"><p style="font-size:300%;color:red">FAIL</p></object>
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</td>
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<td align="left">
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<img alt="raster image of animate-elem-213-t" src="../png/animate-elem-213-t.png" width="480" height="360"/>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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<div class="opscript">
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<p>Compare from-to, from-by and by animateTransform rotate with values animateTransform.</p>
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<p>
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The main indication for a failed test is the appearance of red.
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</p>
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<p>
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SMIL 2 specifies, how from-to, from-by and by animations have to be converted into
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values animation. Therefore they have to be the same as the related values animation.
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The conversion is as follows:
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</p>
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<table>
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<tr>
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<th>used</th>
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<th>converted</th>
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</tr>
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<tr>
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<td>from="a" to="b"</td>
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<td>values="a;b"</td>
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</tr>
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<tr>
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<td>from="a" by="b"</td>
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<td>values="a;a+b"</td>
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</tr>
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<tr>
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<td>by="a"</td>
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<td>
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values="0;a" additive="sum"
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</td>
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</tr>
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</table>
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<p>
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(by and from-by animations have only a meaning, if values can be added somehow.
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'0' is used as a general symbol for the neutral element of addition for the related attribute,
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this means 0 + a = a + 0 = a. And '0' is not equal to the symbol '1' as the basic unit of the
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related attribute, '0' is a predecessor of '1' in the related attribute space. For animateTransform
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the '0' is the same as the zero matrix, not the unity or identity matrix.
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For the rotate type this is a skew with an angle of 0.
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Deviating from SMIL 2 in SVG it is specified, that for animateTranform the animation
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effect has to be postmultiplied to the underlying value, if the animation is additive. Note
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that for two additive rotate angles a, b the resulting angle is not a+b but atan(tan(a)+tan(b)).
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</p>
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<p>
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The from-to, from-by and by are applied to animateTransform of the rotate type
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of different blue stroked
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paths and are compared with the related values animations including additive and
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cumulative hehaviour for underlying red paths. Additionally underlying dark red
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paths simulate the same behaviour using always the defaults additive replace and
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accumulate replace with animateMotion. The blue paths cover all red paths.
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Therefore if something red gets visible, an error is occured.
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Because fill is always not set and therefore remove,
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the final value is the value at 2s given with a simple values animateTransform, not very
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interesting for the test.
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</p>
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</div>
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<div class="linkbar"> <p>
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<a href="animate-elem-212-t.html">animate-elem-212-t ←</a>
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<a href="index.html">index</a>
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<a href="animate-elem-214-t.html">→ animate-elem-214-t</a>
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</p></div>
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</body>
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</html>
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