Re: RgnHandle replacement?
Re: RgnHandle replacement?
- Subject: Re: RgnHandle replacement?
- From: Jonathan Wight <email@hidden>
- Date: Fri, 08 Nov 2002 17:06:30 -0600
On 11/07/2002 01:04, "Scott Anguish" <email@hidden> wrote:
>
On Thursday, November 7, 2002, at 01:57 AM, Jonathan Wight wrote:
>
>>
>
>> So, draw that intersected area of the icon into an NSImage that is 1x1
>
>> (scale it) and then see if that single pixel is on.. you'd want to
>
>> make
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>> sure that anti-aliasing is off when you do this..
Didn't work. More often than not the destination 1x1 pixel image is left
completely empty. Tried a few different compositing modes to see if that
made a difference and it didn't.
>
> Hmm. That might work well I think. Cool!
>
>
>
>
Ah.. one other comment...
>
>
I'm not sure if it'd be faster to just cycle through all the pixels
>
within the intersected area until you hit one that proved that there
>
was a pixel on.. I suppose in the worst case, then you might end up
>
going through all the intersected region...
This is plan B. :-)
Jon.
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