fwiw, Color r: 0.0 g: 0.0 b: 0.004is squeak's way of representing black 
in 16 bits so 0 can mean transparent

On 9/9/19 8:56 AM, Tobias Pape wrote:
>> Other examples:
>>
>> "Example 2"
>> f := Form extent: 1 asPoint depth: 1.
>> f colorAt: 0 @ 0 put: Color red.
>> g := f asFormOfDepth: 32.
>> g colorAt: 0 @ 0 "--> (Color r: 0.0 g: 0.0 b: 0.004)"
> yes, because you go from black/white to 32bit. I would have expected r0g0b0, but there might some rounding go on.
>

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