[jira] [Commented] (GUACAMOLE-1351) Provide option to disable rounding of RDP screen widths

["Mike Jumper (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GUACAMOLE-1351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17349451#comment-17349451 ] 

Mike Jumper commented on GUACAMOLE-1351:
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Rephrased accordingly, as this very intentional behavior and not a bug (see relevant mailing list thread: https://lists.apache.org/thread.html/r55383cbe2bce9ca50ca585a493dd714927c00da8e486774b5249634e%40%3Cuser.guacamole.apache.org%3E).

[~emori], can you describe specifically why those 1-3 pixels are problematic for your use case? With the Guacamole display fit to the browser window, and with the display itself rounded only down to the nearest multiple of 4, there should be at most 1 or 2 pixels of background color (black) on either side. I wouldn't expect this to be noticeable in practice.

> Provide option to disable rounding of RDP screen widths
> -------------------------------------------------------
>
>                 Key: GUACAMOLE-1351
>                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-1351
>             Project: Guacamole
>          Issue Type: Improvement
>          Components: RDP
>            Reporter: Mototsugu Emori
>            Priority: Trivial
>         Attachments: rendering_issue_on_specific_widths.png
>
>
> There are margins on the left and right of the rendered screen on widths other than the multiple of 4.
> When using old Windows (WindowsXP, Windows Server 2003), the screen corrupts on widths other than the multiple of 4.
> New Windows (Windows8, Windows10) do not have such a issue.
> However, there are margins, even when using new Windows.
> [Cause]
> In GUAC-256, the width of the screen is always rounded down to the nearest multiple of 4.
> The fix is applied to all Windows.



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