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    <head>
      <base href="https://bugs.webkit.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Fullscreen canvas is not scaled proportionally"
   href="https://bugs.webkit.org/show_bug.cgi?id=176841">176841</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Fullscreen canvas is not scaled proportionally
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Macintosh
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>macOS 10.12
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Canvas
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned@lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>aparajita@aparajita.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>dino@apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Summary:

When making an element that contains a canvas fullscreen, the canvas seems to be stretched to fit the screen instead of proportionally filling the screen.


OS: macOS 10.12.6 (16G29)


WebKit version: 12604.1.38.1.6, r221956


Steps to reproduce:

1. Go here: <a href="https://www.mapbox.com/mapbox-gl-js/example/fullscreen/">https://www.mapbox.com/mapbox-gl-js/example/fullscreen/</a>

2. Click on the fullscreen control in the upper right corner of the map.


Actual results:

The map is stretched horizontally.


Expected results:

The map maintains its aspect ratio.


Additional info:

This is a regression. Safari 10 and earlier did not have this bug.</pre>
        </div>
      </p>


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