Thread View: comp.sys.next.programmer
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Started by Andy McConnell
Wed, 22 Jul 1992 16:11
NXRectFill - How to use this correctly?
Author: Andy McConnell
Date: Wed, 22 Jul 1992 16:11
Date: Wed, 22 Jul 1992 16:11
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I need some help in drawing the background of an NXRect. I have these two lines in my code: NXSetColor( GaugeDat.backColor ); NXRectFill(&bounds); GaugeDat.backColor is just an NXColor. However, this little ditty does absolutely nothing that I can see, no matter how backColor is set. Is there something I'm missing? - Andy McConnell
Re: NXRectFill - How to use this correctly?
Author: Ali Ozer
Date: Thu, 23 Jul 1992 02:54
Date: Thu, 23 Jul 1992 02:54
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In article <1992Jul22.161151.7557@cs.rose-hulman.edu> Andy McConnell writes: > NXSetColor( GaugeDat.backColor ); > NXRectFill(&bounds); >GaugeDat.backColor is just an NXColor. However, this little ditty does >absolutely nothing that I can see, no matter how backColor is set. This should just work. Perhaps you are not focused properly on a view? You can use the "showps" command in gdb to cause the kit to show you all the PostScript it generates; you can "showps" right before those two lines and then "shownops" and see if the generated PostScript you get is reasonable. One caution about stepping in gdb, though: Just because you execute a line which generates some PostScript, and you actually see it being generated, (thanks to "showps"), it doesn't mean the line got executed by the windowserver. You might need to explicitly flush by typing "flush" or "p NXPing()". Ali, Ali_Ozer@NeXT.com
Re: NXRectFill - How to use this correctly?
Author: Hans Peter Geiser
Date: Fri, 24 Jul 1992 08:23
Date: Fri, 24 Jul 1992 08:23
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> NXSetColor( GaugeDat.backColor ); > NXRectFill(&bounds); > > GaugeDat.backColor is just an NXColor. However, this little ditty does > absolutely nothing that I can see, no matter how backColor is set. > Are you doing the NXRectFill() in a drawSelf:: method, or - if not - have you done the lockFocus on the View you want to fill? Hans-Peter Geiser
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