Hi Peter,

The font information is obtained from the renderer at the start before 
building any of the area tree.
There should be no further need for communication except of course in the 
case when handling dynamic effects (but lets not get into that right now).

On 2002.03.19 13:37 Peter B. West wrote:
> Keiron Liddle wrote:
> ...
> 
>> To serialize between the Area Tree and the Renderers there are some 
>> serious problems that would get in the way:
>> - in many cases the area tree will need to be complete before sending 
>> anything across, this defeats the whole purpose and will use a lot of 
>> memory
>> - embedded xml will need to be parsed twice and saxified
>> - how do we handle area tree extensions
>> - forward references for some renderers will mean that the renderer may 
>> also need to store the whole area tree (or part thereof) on the other 
>> side of the sax events
>> - the layout depends on the output target, for font information
>> 
> Keiron,
> 
> Could you sketch out the way font information is communicated to layout? 
> I had the vague notion that the renderers were obliged to provide font 
> information at the configuration stage.  I hoped this would obviate any 
> further communication between the layout process and the renderer.
> 
> Peter

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