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[whatwg] Canvas "coordinate space units"

From: David Flanagan <david@davidflanagan.com>
Date: Wed, 14 Jul 2010 22:41:33 -0700
Message-ID: <4C3E9F8D.3010006@davidflanagan.com>
Boris Zbarsky wrote:
> On 7/14/10 8:29 PM, David Flanagan wrote:
>> As an aside, do you think any implementations actually do that? It seems
>> to me that it would cause real problems with drawImage(): images would
>> look bad compared to drawn graphics...
> 
> They do that anyway on a high-dpi display that uses multiple device 
> pixels per CSS pixel, no?  Except for scalable images, of course.

I was not aware that any such devices existed yet.  Except of course for 
printers.   Thanks to you and to Oliver for the clarification.

I still think that "coordinate space units" is a vague term and that the 
treatment of lineWidth needs to be clarified in the spec.

	David

> The canonical example here is printing: printing a bitmap image which is 
> desined at screen resolution will produce worse output than printing a 
> scalable one.  That's just life.
> 
> -Boris
> 
Received on Wednesday, 14 July 2010 22:41:33 UTC

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