On 11/24/06, Guenther Noack <[EMAIL PROTECTED]> wrote:
Hi!
On Fri, Nov 24, 2006 at 01:36:27PM +0800, Sheldon Gill wrote:
> Well, CIE would be good...
>
> commercially I'd say PANTONE...
I don't think we can refer to pantone color without taking risk of being sued.
>
> 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.
> 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.
> On a separate issue, I think you should carefully choose the exact colours
> so that they display well using at least 5-bit color or a 256 color indexed
> palatte. These better suit smaller devices.
I'm not an expert on that topic, but I haven't seen a device with just
256 colors in a very long time. I wonder if it really makes sense to
optimize for this.
These colour-related issues are really interesting. :-) I'm always
surprised how seemingly simple topics can be really complex when
transferred to a professional level. :-) Just take your time to make a
good colour decision. It's better to do that now than to change all the
icons later. :-)
-Guenther
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
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