[mono] Writer Regions disappears on worksheet scrolling

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[mono] Writer Regions disappears on worksheet scrolling

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pdalet		#1 Posted : 30 January 2019 17:15:07(UTC)
Rank: Advanced Member Groups: Registered Joined: 19/09/2009(UTC) Posts: 34 Was thanked: 17 time(s) in 11 post(s)		Hello, When I scroll a page, writer region disappears. I have updated the extension and the bug is always there. Ubuntu 16.04 64 bits smathstudio 0.99 6965 Thanks a lot. Philippe DALET FRANCE link to a video: writer region
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Davide Carpi		#2 Posted : 31 January 2019 21:43:41(UTC)
Rank: Advanced Member Groups: Registered, Advanced Member Joined: 13/01/2012(UTC) Posts: 2,647 Location: Italy Was thanked: 1329 time(s) in 875 post(s)		Fixed for latest SS beta. Thank you!
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Jean Giraud		#3 Posted : 01 February 2019 00:45:24(UTC)
Rank: Guest Groups: Registered Joined: 04/07/2015(UTC) Posts: 6,866 Was thanked: 981 time(s) in 809 post(s)		Originally Posted by: pdalet When I scroll a page, writer region disappears. It does not make sense that something as independent disappear by scrolling. Things that Smath does not handle freaks the document in many ways: can't scroll the page, turns white, can't stop calculation, can't close. zap the file [root elements missing], crashes. Stop PC, restart PC. Install a small writer region, only writer region to insure it's the guilty. Did you notice from fresh latest beta or from an older version open in latest version ?


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Davide Carpi		#4 Posted : 01 February 2019 12:50:27(UTC)
Rank: Advanced Member Groups: Registered, Advanced Member Joined: 13/01/2012(UTC) Posts: 2,647 Location: Italy Was thanked: 1329 time(s) in 875 post(s)		Originally Posted by: Jean Giraud It does not make sense that something as independent disappear by scrolling. In this case it depends on the WriterRegion coding. To override some of the .NET lacks and behaviors the region performs an high number of graphic operations that impact on the user interface performances, both of the region itsself but even of the whole program. Therefore some time ago I've implemented an high level clipping filter to send drawing commands only for whatever actually intersects the screen, thus when you scroll the worksheet only the visible parts of the regions that are on your screen are drawn. Unfortunately under mono there are some big differences on some coordinate systems, hence the issue; now it should be fixed. Edited by user 01 February 2019 13:08:09(UTC) \| Reason: Not specified
		If you like my plugins consider to support SMath Studio buying a plan; to offer me a coffee: paypal.me/dcprojects

1 user thanked Davide Carpi for this useful post.		on 01/02/2019(UTC)
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