Re: [Gambas-user] Re; Image handling ...
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From: Benoit M. <ga...@us...> - 2007-07-26 22:11:44
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On jeudi 26 juillet 2007, Gareth Bult wrote: > Ok, > > I now have nifty little app for recording all my CCTV images off a variable > number of camera and it's all looking great. > > However, I don't know where to start with the screen flicker problem .. it > did go away initially using the draw code you suggested, but it seems to > have come back as a result of using a more recent SVN. > > I use a separate recorder to store the images in Blobs (MySQL) and recover > them with; > > File.Save(name, resultSet!image.Data) > $picture = Picture.Load(name) > > Then issue; > > $canvas.Refresh > > Then have; > > PUBLIC SUB CANVAS_Draw() > draw.Picture($picture, 0, 0, 320, 240) > END > > Works well, but refresh flickering is every couple of seconds and quite > frustrating as it destroys viewing "quality". > > Can anyone point me in the right direction re; where to look ? > (There doesn't "seem" to be much scope for my code to cause this ???) > > tia > Gareth. > Why don't you use a "cached" DrawingArea ? -- Benoit Minisini |