Ken, I still don't get it. You are not saying the we can just use  
kCGColorSpaceGenericGray without the under score in FB are you? Then  
it would be just a variable. What needs to be done to turn it into a  
CFStringRef constant?

-Joe

On Dec 11, 2007, at 8:16 AM, Ken Shmidheiser wrote:

> Joe lamented:
>
>> These constants are defined in CGColorSpace.h but when I look in  
>> that file I don't see any numbers asigned to them. They are  
>> supposed to be CFStringRef constants but I don't really know what  
>> that means. I think I am getting lost in all the new information.
>
>
> Joe,
>
> Yep, it is confusing. With Toolbox constants defined as  
> CFStringRefs, you don't need the leading underscore convention used  
> for "normal" constants in FB. The Toolbox function expects to see a  
> CFStringRef and properly interprets its opaque value. This is never  
> a factor in C as underscores are not used to distinguish Toolbox  
> constants. I wish things were the same it FB-- it would make code  
> translation a lot easier.
>
> Thus
>
>   _kCGColorSpaceGenericGray
>
> can be used sans underscore as
>
>   kCGColorSpaceGenericGray
>
>
> Ken
>
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