[dokuwiki] Re: Preserving Image Aspect Ratios

Hallo!

Andrew Carson wrote: 
Hi,
I would like to be able to preserve image aspect ratios. I was thinking the
syntax would look as follows:

{{image.png?200x200&ratio}}

This would work as following:
A 400x200 image would end up as 200x100.
A 200x400 image would end up as 100x200.
A 50x100 image would end up as 100x200.

If the link was:
{{image.png?200&ratio}}

Then the image would resize only using the width, and preserve the height
aspect ratio.

This already works without any additional parameter!
{{image.png?200}} does exactly that: It resizes "only using the width, and preserve the height aspect ratio".

And your example above {{image.png?200x200&ratio}} doesn't make much sense without adding which of those two numbers (width and height) is the base.

> {{image.png?200x200&ratio}}
> A 400x200 image would end up as 200x100.
Here your base is the width.
> A 200x400 image would end up as 100x200.
Here it is the height.
> A 50x100 image would end up as 100x200.
And here the height again.

Confusing ...

With the current DokuWiki syntax you would write:

> A 400x200 image would end up as 200x100.
{{image.png?200}}
> A 200x400 image would end up as 100x200.
{{image.png?100}}
> A 50x100 image would end up as 100x200.
{{image.png?100}}

to produce the same effect.
The only thing that's missing in the current DokuWiki syntax is to give the *height* and preserve the *width* aspect ratio (instead of giving the *width* and preserving the *height* aspect ratio).
But I don't think that's really needed. Do you?


Anika
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