On 1/29/03 10:15 AM, "Cortis" <cortis at realsoftware dot com> wrote:
>> My main concern currently is that my canvas subclasses don't work with
>> compositing. Can this be attributed to your comment that REALbasic currently
>> has many outstanding compositing issues? (This was implied by another
>> response to my original question, but I would like to hear a definite from
>> RS.) If so, then my hope is that you will indeed be able to get all internal
>> controls and plugins (and therefore the canvas) fully supporting
>> compositing.
>
> Can you file a bug report and include a sample that shows the problems you
> are having with custom controls. Internally we know about many issues with
> compositing, we are working on addressing those, it sounds like your
> problems are ones I haven't seen in our database yet.
I will do so. It'll involve lots of trimming (of course), but I'll do my
best to whip up something small, yet demonstrative.
>> P.S. If this is so new, why has Apple been able to have transparent controls
>> in iTunes and iPhoto as far back as 10.0 and 10.1? Are these internal APIs
>> known only to Apple?
>
> Honestly its impossible to tell exactly what Apple is doing and has been
> doing under the hood, but I can tell you that we only got access to this
> stuff in Carbon for 10.2. My bet is that Metal windows weren't using
> compositing but used custom controls which only looked round because they
> drew metal in the corners of the buttons (i.e. They were actually square
> buttons), but this is as I said just conjecture.
I've thought about trying that, but could never figure out how to correctly
reproduce the metal look.
Sincerely,
Scott
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