| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"/> |
| <title>MathML inside foreignObject</title> |
| <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#html-and-svg"> |
| <meta name="assert" content="Verify that MathML can be used inside a foreignObject element."> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/mathml/support/feature-detection.js"></script> |
| <script> |
| setup({ explicit_done: true }); |
| window.addEventListener("DOMContentLoaded", function() { |
| var scale = 2; |
| var epsilon = 1; |
| var mfrac = document.getElementById("mfrac"); |
| var num = mfrac.firstElementChild.getBoundingClientRect(); |
| var denom = mfrac.lastElementChild.getBoundingClientRect(); |
| test(function() { |
| assert_true(MathMLFeatureDetection.has_mspace()); |
| // The values of width and height are inverted (because of the |
| // rotation) and multiplied by the scale factor. |
| assert_approx_equals(num.height, 30 * scale, epsilon, "numerator width"); |
| assert_approx_equals(num.width, 40 * scale, epsilon, "numerator height"); |
| assert_approx_equals(denom.height, 50 * scale, epsilon, "numerator width"); |
| assert_approx_equals(denom.width, 60 * scale, epsilon, "numerator height"); |
| }, "mspace layout in SVG foreignObject"); |
| test(function() { |
| // The horizontal/vertical metrics are inverted (because of the |
| // rotation) and multiplied by the scale factor. |
| assert_true(MathMLFeatureDetection.has_mfrac()); |
| assert_greater_than_equal(num.right - denom.left, |
| (40 + 60) * scale, |
| "numerator is on the right of denominator"); |
| assert_approx_equals((num.top + num.bottom) / 2, |
| (denom.top + denom.bottom) / 2, |
| epsilon, "numerator and denominator are vertically aligned"); |
| }, "mfrac layout in SVG foreignObject"); |
| done(); |
| }); |
| </script> |
| </head> |
| <body> |
| <div id="log"></div> |
| <svg width="400px" height="400px"> |
| <g transform="rotate(90, 200, 200) scale(2)"> |
| <foreignObject width="400px" height="400px" |
| requiredExtensions="http://www.w3.org/1998/Math/MathML"> |
| <math> |
| <mfrac id="mfrac"> |
| <mspace width="30px" height="40px" style="background: cyan"></mspace> |
| <mspace width="50px" height="60px" style="background: yellow"></mspace> |
| </mfrac> |
| </math> |
| </foreignObject> |
| </g> |
| </svg> |
| </body> |
| </html> |
