From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,548a224fd381d8f4 X-Google-Attributes: gid103376,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news2.google.com!news1.google.com!npeer01.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!post01.iad.highwinds-media.com!newsfe10.iad.POSTED!7564ea0f!not-for-mail From: Paul Zacharzewski User-Agent: Mozilla/5.0 (X11; U; OpenBSD i386; en-US; rv:1.8.1.12) Gecko/20080313 SeaMonkey/1.1.8 MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: Programming graphic systems References: <49f03485$0$2849$ba620e4c@news.skynet.be> In-Reply-To: <49f03485$0$2849$ba620e4c@news.skynet.be> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Message-ID: NNTP-Posting-Host: 96.52.238.225 X-Complaints-To: internet.abuse@sjrb.ca X-Trace: newsfe10.iad 1240514406 96.52.238.225 (Thu, 23 Apr 2009 19:20:06 UTC) NNTP-Posting-Date: Thu, 23 Apr 2009 19:20:06 UTC Date: Thu, 23 Apr 2009 13:17:26 -0600 Xref: g2news2.google.com comp.lang.ada:5527 Date: 2009-04-23T13:17:26-06:00 List-Id: Olivier Scalbert wrote: > Hello, > > When playing with my GPS, I was thinking of the beautiful graphic > systems used in safety critical environment (medical, aircraft, ATC, ...). > I assume lots of them must be written in Ada. I was asking myself how > are they programmed mainly at the graphic level. Does the application > part use a graphic toolkit provided by the graphic board manufacturer or > do you have to program all the graphic primitives yourself in Ada (as > Bresenham line algorithm, ...) and written to the raster memory (which > must be very cool!) ? > > Thanks for your info, > > Olivier I remember reading about an X11 system rewritten in Ada, a while ago. Does anyone else knows something about this? Paul.