RE: [cgmo-webcgm] How does interior-style work?

["Bezaire, Benoit" <bbezaire@ptc.com>]

Since you used the words 'opinion' and 'guess'... the working group will have to work on better defining this.

 

I think the specification should describe the relationship between interior-style and other relevant style properties.

 

Benoit.

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From: Lofton Henderson [mailto:lofton@rockynet.com]
Sent: Friday, January 09, 2009 10:24 AM
To: Bezaire, Benoit; WebCGM
Subject: Re: [cgmo-webcgm] How does interior-style work?

My opinions...

At 10:13 AM 1/9/2009 -0500, Bezaire, Benoit 
wrote:

> I'm 
>   slightly confused with interior-style, more specifically the dependency that 
>   other style properties have on interior-style.
>  
> Let's say a WebCGM metafile contains an APS (polygon filled 
>   with red color). A script writer wishes to change the fill to a pattern, how 
>   does he do that?
>  
> He needs to 
>   change the interior-style and the pattern-index, right? Does the order 
>   matter?

My guess:  order would not matter as long as 
*both* changes happened before the display update (i.e., you might want to delay 
updates till you set both).  If not, then given the modal nature of CGM 
attributes, I would:  set pattern index; change interior style to 
pattern.

> Another 
>   question is if fill-color only has an impact if interior-style is set to 
>   solid?

Fill color also defines the drawn border when 
interior style is 'hollow' (as distinct from the edge, which has its own 
attributes).

-Lofton.