[Webkit-unassigned] [Bug 176841] New: Fullscreen canvas is not scaled proportionally

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=176841

            Bug ID: 176841
           Summary: Fullscreen canvas is not scaled proportionally
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Macintosh
                OS: macOS 10.12
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Canvas
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: aparajita at aparajita.com
                CC: dino at apple.com

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: https://www.mapbox.com/mapbox-gl-js/example/fullscreen/

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.

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