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Re: [css3-images] 'image-resolution: from-image' based on resolution X / Y

From: Florian Rivoal <florian@rivoal.net>
Date: Fri, 26 Jul 2013 17:06:44 +0200
To: www-style@w3.org
Message-ID: <op.w0t39ibaf5de51@riboaru-nashiosamus-imac-2.local>
On Fri, 26 Jul 2013 16:36:38 +0200, Simon Sapin <simon.sapin@exyr.org>  
wrote:

> Hi,
>
> In TIFF and JPEG (EXIF), the resolution metadata can be specified as two  
> fields: Resolution X and Resolution Y. Although I expect the two to be  
> the same (when set at all) in most real images, what should a UA do when  
> they’re different? 'image-resolution: from-image' expects a single value.
>
> I think there is no good answer to this, but I dislike leaving it  
> undefined. I suggest specifying something arbitrary. For example:
>
>      If the image specifies two different resolutions for the horizontal  
> and vertical direction, the average of the two values is used:
>      <code>(horizontal + vertical) / 2 <code>

Wouldn't stretching the image along one dimention to make both resolution
equals match the original meaning best?

  - Florian
Received on Friday, 26 July 2013 15:07:08 UTC

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