Re: Problem with ellipsefill on Android using BBCSDL 1.00a


Installed 1.00b on Samsung S9plus (Android 8.0.0) although it's due to do an update at 5am tonight.

When the ellipses are drawn at the horizontal angle the background changes to same colour as though the flood fill is leaking through.


Sent from Samsung Mobile on O2

-------- Original message --------
From: Richard Russell <news@...>
Date: 06/02/2019 17:58 (GMT+00:00)
Subject: Re: [bb4w] Problem with ellipsefill on Android using BBCSDL 1.00a

On Tue, Feb 5, 2019 at 10:53 PM, Richard Russell wrote:
2. The bounding curve has a 'hole' through which the flood fill can leak (it only needs to be one pixel).
To the extent that I have been able to analyze the problem here, it would appear that this is the cause.  The question then arises: why does the bounding curve (ellipse) have holes through which the flood-fill leaks, and why is it happening on your specific Android device but not generally?  I'm pretty confident that nothing in BBC BASIC is to blame, so I fear it may point to a bug in Samsung's implementation of OpenGL ES 1.1 on your Galaxy S7 phone.

Does anybody here have a Samsung Galaxy S8 or S9?  If so, can they please check whether the 'ellipses' demo works correctly or not?

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