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Subject: Re[2]: [cgmo-webcgm] Drawing model


Ok, no problem.

-- 
Regards,
 Benoit   mailto:benoit@itedo.com

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Wednesday, April 19, 2006, 12:50:24 PM, you wrote:

> [...I see that you have sent a subsequent statement, but here's a comment
> applicable to both...]

> Benoit,

> I see that you did in fact address the grouping within APS...

> At 09:43 AM 4/19/2006 -0400, Benoit Bezaire wrote:
>>[...]
>>Primitives which have a value for Escape 45 other than fully opaque,
>>have the effect of producing a temporary separate canvas initialized
>>to transparent black onto which the primitives are drawn. The canvas
>>is then composited into the background, taking into account the Escape
>>45 value. The presence of APS in the primitive list has no effect on
>>the rendering. No temporary canvas are created. It is identical to the
>>case of no APS.

> I would suggest a couple of minor changes to further disambiguate:

> Graphical primitives may have a value for Escape 45 other than fully 
> opaque.  Each such primitive has the effect of producing a temporary 
> separate canvas initialized to transparent black onto which the primitive
> is drawn. The canvas is then composited into the background, taking into
> account the Escape 45 value. The grouping of graphical primitives within an
> APS has no effect on the rendering. No temporary canvas is created for the
> APS (group) itself. It is identical to the case of no APS.

> What do you think?

> -Lofton.




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