textpath-textlength-text-anchor-001.tentative.svg

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /svg/text/scripted/textpath-textlength-text-anchor-001.tentative.svg - WPT Dashboard Interop Dashboard

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<svg xmlns="http://www.w3.org/2000/svg"

     xmlns:html="http://www.w3.org/1999/xhtml">

  <title>'textLength' on &#x3c;textPath&#x3e; with 'text-anchor' adjustments</title>

  <html:script src="/resources/testharness.js"/>

  <html:script src="/resources/testharnessreport.js"/>

  <html:link rel="stylesheet" href="/fonts/ahem.css"/>

  <html:link rel="help" href="https://svgwg.org/svg2-draft/text.html#TextPathElement"/>

  <html:link rel="help" href="https://svgwg.org/svg2-draft/text.html#TextElementTextLengthAttribute"/>

  <defs>

    <path id="p" d="M0,25h100"/>

  </defs>

  <g font-family="Ahem" font-size="20px">

    <text expected-x="0">

      <textPath href="#p" textLength="25" lengthAdjust="spacing"

                text-anchor="start">XXXX</textPath>

    </text>

    <text expected-x="0" transform="translate(0 50)">

      <textPath href="#p" textLength="25" lengthAdjust="spacingAndGlyphs"

                text-anchor="start">XXXX</textPath>

    </text>

    <text expected-x="37.5">

      <textPath href="#p" textLength="25" lengthAdjust="spacing"

                text-anchor="middle" startOffset="50%">XXXX</textPath>

    </text>

    <text expected-x="37.5" transform="translate(0 50)">

      <textPath href="#p" textLength="25" lengthAdjust="spacingAndGlyphs"

                text-anchor="middle" startOffset="50%">XXXX</textPath>

    </text>

    <text expected-x="75">

      <textPath href="#p" textLength="25" lengthAdjust="spacing"

                text-anchor="end" startOffset="100%">XXXX</textPath>

    </text>

    <text expected-x="75" transform="translate(0 50)">

      <textPath href="#p" textLength="25" lengthAdjust="spacingAndGlyphs"

                text-anchor="end" startOffset="100%">XXXX</textPath>

    </text>

  </g>

  <script>

    test(t => {

      let texts = Array.from(document.getElementsByTagName('text'));

      for (let text of texts) {

        let bbox = text.getBBox();

        let textpath = text.firstElementChild;

        let description = 'text-anchor=' + textpath.getAttribute('text-anchor');

        assert_approx_equals(bbox.x, parseFloat(text.getAttribute('expected-x')), 0.5,

                             'x, ' + description);

        assert_approx_equals(bbox.width, 25, 0.5,

                             'width, ' + description);

});

  </script>

</svg>