[Bf-docboard] Image generation idea.

[will]

Sorry Ewout, I miss-read my "mytalk". It was you that told me about the 
thumbnail images; my apologies.

We could use the "x,y..." syntax but I was thinking that the overlay 
image would be the same size as the background image. PNG compresses 
transparent images very efficiently so the overlay would be quite small 
even though it would be a large as the background image. But the 
"x,y..." syntax has more flexibility; nice idea.

jesterKing or Spiderworm would you guys have some spare time to add this 
kind of template?

-Will (Quartz)

Ewout Fernhout wrote:
> Option 1 is probably the easiest, and this is a perfect task for
> ImageMagick (I think it was me who told you about the images btw). But
> the syntax you give would probably not be enough, since the overlay
> would need a position too (most likely), and maybe even a size?
>
> Better would be to have a "Sqaure" tag that takes x,y,height,width,
> and in addition to that maybe a circle too.
>
> It needs a coder to get this kind of specific stuff in mediawiki, I
> don't know if jesterKing or Spiderworm has energy and/or time to do
> it. Maybe someone else with php experience?
>
> Ewout
>
> On 2/9/06, will <quartz13163 at distanthumans.info> wrote:
>   
>> Greetings,
>>
>> I am not sure if this has been discussed before so please pardon if so.
>>
>> Recently S68 clued me in that thumbnail images are scaled on the fly by
>> the server. This started me thinking about some work I was doing
>> recently on the Curves section of the Manual/PartII. It dawned on me
>> that the "Curve and Surface" panel provides functionality for severals
>> tools; and of course we know that already;-). For example, Tapering and
>> Extruding.
>>
>> So I thought wouldn't it be helpful if we could show the "Curves and
>> Surface" panel only once but with different markups (ex. yellow boxes
>> that highlight) in hopes of avoiding having the same panel shown
>> multiple times with different markups. Say perhaps have one markup image
>> that highlights the BevOb field and another that highlights the TaperOb
>> field etc....
>>
>> I was wondering if it would be feasible if we could have overlay markup
>> images that could be applied to a corresponding underlying image on the
>> fly? Perhaps have a new Template that drives this new feature.
>>
>> I thought of several approaches:
>>
>> 1) The server could merge N transparent/alpha markup layers on top of a
>> background image. Each markup image would be applied using the same tool
>> that is scaling images.
>> 2) The browser could apply SVG to an image.
>> 3) The server could apply SVG markup language prior to sending to browser.
>>
>> Option #1 is possible if a server tool exists that can composite images
>> on the fly as does the thumbnail template.
>> Option #2 is not feasable because not all browsers support SVG
>> Option #3 is possible if a server could composite and apply SVG and send
>> a static results to the browser.
>>
>> I was thinking of something along the lines:
>>
>> [[Image:Reference-PanelX.png|ImageOvly:markup1.png|ImageOvly:markup2.png|frame|right|PanelX
>> example.]]
>>
>>
>> Does anyone have any comments and is there anyone that could implement
>> such as feature/template?
>>
>> -Will (Quartz)
>>     
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