[Webkit-unassigned] [Bug 209220] New: SVG2: getScreenCTM() ancestor transform scale not applied

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=209220

            Bug ID: 209220
           Summary: SVG2: getScreenCTM() ancestor transform scale not
                    applied
           Product: WebKit
           Version: Other
          Hardware: iPhone / iPad
                OS: iOS 12
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: SVG
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: martin.aumair at br-automation.com
                CC: zimmermann at kde.org

Created attachment 393829

  --> https://bugs.webkit.org/attachment.cgi?id=393829&action=review

run demo on ios device and check console output

Steps to reproduce the problem:
1. Visit https://jsfiddle.net/Lxj0cuso/2 or run attached demo with open console

What is the expected behavior?
Expected output:
ctm.a= 2
ctm.d= 2
scale: 2

What went wrong?
ios output:
ctm.a= 1
ctm.d= 1
scale: 2

On windows running chrome the a and d value of the matrix represent the scale factor (2) 
On iOS the values are both 1 but the scale is applied correctly,

Chrome version: 76.0.3809.81

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