[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.
~TJ
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