Re: Drawing over a view's subviews
Re: Drawing over a view's subviews
- Subject: Re: Drawing over a view's subviews
- From: Gerard Iglesias <email@hidden>
- Date: Thu, 16 Jun 2005 00:36:58 +0200
On 15 juin 05, at 22:44, John Stiles wrote:
Out of curiosity, why would the overlay window approach have too much overhead? It ought to be composited on the GPU so it's not going to waste a lot of CPU cycles (well, technically, when it's first created the CPU needs to allocate a back buffer etc).
Interface builder uses Window for the control-->target graphical connection, I don't think that it would be a so big overhead too.
For me it would be interesting to use a separate window for each knob, not a joke at all, and now with the concept of slave sub window, following the main window, you will get an important thing for free.
Regards
Gérard |
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