Banlu Kemiyatorn wrote:
>> > In the end, though, you are working in RGB so defining an RGB color
>> space
>> > should suffice.
>>
>> I'm just curious. What advantages do we have from that? Do the icons
>> look better
>> then when you print them out on a professional printer?
>
> I don't think we should worry about printing the UI items that much.
> But it is neccessary for the backend to support that so we can see the
> actual preview of an NSImage. This would required us to extend
> composite ops in the display system or backend by using color
> library that is capable of reading ICC profiles eg. lcms.
Not just the composite ops and not just the ICC profiles.
Unfortunately it gets
more complicated than that. Some file formats do other things. Like
PNG can
have just a gamma.
>> > The image you give (from Adobe ImageReady) has gamma but no ICC
>> profile. I
>> > assume its supposed to be sRGB but there is nothing to say that.
>> There's
>> > nothing to say your monitor is calibrated accordingly either so its
>> pure
>> > conjecture as to whether the gamma is valid.
>
> IMHO, all UI elements (icons, pixels, system colors) should be assumed
> to be displayed with sRGB anyway.
> And I don't think the system should have to convert UI items from
> other possible color space beside RGB. Because conversions requires
> significant computation.
Do you realise that there are a dozen *different* RGB color spaces
defined and
in use?
Yes!! But they are much easier and much faster to convert!
Than, say, CMYK absolutely.
> I don't have a problem with the current suggested color list. It is
just a
> style-sheet that we(?) like them. It's natural to assume that they
are sRGB
> (from my reasons above about color profile for UI elements). However,
> if you are a graphic designer and your monitor wasn't calibrated right.
> And you expect anyone to share the wisdom of those palettes. Then it is
> your fault ;-D
You're developing a palette, by definition a limited selection of
colours.
You're going to use these colours in the UI to develop the style so
sticking to
the palette is the right idea.
If the palette works well in 16-color and 256-color (with the right
colour
selection) then it requires no more work on the part of designers.
I don't see if that really help. But it is ok. I'd prefer a seperated
version contained in the icon bundle though.
If a specific version for lower resolution colour is supplied it'll be in the
icon bundle. The icon kit should reasonably transform it otherwise.
Regards,
Sheldon
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