[Webkit-unassigned] [Bug 191113] New: Safari rendering bug with SVG 1px off

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=191113

            Bug ID: 191113
           Summary: Safari rendering bug with SVG 1px off
           Product: WebKit
           Version: Safari 12
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: SVG
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: lukas.orgovan at performgroup.com
                CC: zimmermann at kde.org

Hello, there seems to be issue with safari rendering either in normal dom calculations or svg implementations, but seems to be more of an width/height calculations issues around svgs. In link below, there is an svg element with width of 600px and height set to 337.5px. However in IOS safari and normal safari on Mac Os as well, it seems that the browser calculates the surrounding elements as to have 338 px height. This causes issues in rendering small white line underneath the content of our widget. On Iphone this is more apparent in landscape mode, where you can see white line on left side and also on bottom side. So I assume this calculation is wrong for both width and height. Can somebody take a look at this please? Other browsers tend to calculate it correctly based on svg to 337.5px.

http://widget.cloud.opta.net/helper/v3/tag.html?html=%3Copta-widget+fast_data%3D%22true%22+widget%3D%22live_action%22+competition%3D%2234pl8szyvrbwcmfkuocjm3r6t%22+season%3D%226y6ghh1ovfqxc1w7uvhpui356%22+match%3D%228gafeiqd0ck3iekmbmqpxm0ru%22+template%3D%22normal%22+data_type%3D%22opta%22+dimension%3D%223D%22+live%3D%22true%22+show_crests%3D%22false%22+show_direction_of_play%3D%22true%22+show_event_counters%3D%22true%22+show_weather%3D%22true%22+show_match_countdown%3D%22true%22+weather_animation%3D%225%22+plot_events%3D%222%22+animation_speed%3D%22normal%22+team_colours%3D%22true%22+branding%3D%22opta%22+zoom%3D%22true%22+team_naming%3D%22full%22+player_naming%3D%22full%22+show_live%3D%22true%22+show_logo%3D%22true%22+show_dfp%3D%22true%22+dfp_controls%3D%22true%22+dfp_playstate%3D%22Autoplay%2C+mute%22+dfp_mode%3D%22default%22+show_dfp_in_breaks%3D%22true%22+dfp_initial_delay%3D%220%22+external_link_target%3D%22_blank%22+show_title%3D%22false%22+breakpoints%3D%22300%2C+600%22+sport%3D%22football%22%3E%0D%0A++%3C%2Fopta-widget%3E%0D%0A%3Cstyle%3E%0D%0Abody%7Bbackground%3A%23000%7D%0D%0A%3C%2Fstyle%3E&css=&timezone=Europe%2FLondon&language=en_GB&stylesheet=v3&max_width=600

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