[whatwg] Need document.available_fonts() call

Tab Atkins Jr. jackalmage at gmail.com
Tue May 11 15:37:29 PDT 2010

On Tue, May 11, 2010 at 2:30 PM, Boris Zbarsky <bzbarsky at mit.edu> wrote:
> On 5/11/10 4:59 PM, Tab Atkins Jr. wrote:
>> On Tue, May 11, 2010 at 11:09 AM, Perry Smith<pedzsan at gmail.com>  wrote:
>>> Well, my take is just the opposite.  Portability should dictate only if
>>> the
>>> user wants portability.  I don't believe we confine what colors can be
>>> picked based upon what is portable.
>> Actually...  some machines can display colors with rgb values outside
>> of the [0,255] range.  But CSS clamps you to that range because it's
>> portable.
> CSS clamps to [0,255]?  Since when?
> http://www.w3.org/TR/css3-color/#rgb-color says:
>  Values outside the device gamut should be clipped or mapped into
>  the gamut when the gamut is known: the red, green, and blue values
>  must be changed to fall within the range supported by the device.
>  User agents may perform higher quality mapping of colors from one
>  gamut to another. This specification does not define precise
>  clipping behavior.
>  ...
>  Other devices, such as printers, have different gamuts than sRGB;
>  some colors outside the 0..255 sRGB range will be representable
>  (inside the device gamut), while other colors inside the 0..255
>  sRGB range will be outside the device gamut and will thus be mapped.
> There is then an example that says that on an sRGB device rgb(300,0,0) will
> be the same as rgb(255,0,0)... but on a non-sRGB device they may well not
> be.

This is why I should read more closely, dammit.


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