Re: maintaining alpha value for intersecting lines?
Re: maintaining alpha value for intersecting lines?
- Subject: Re: maintaining alpha value for intersecting lines?
- From: Erik Stainsby <email@hidden>
- Date: Thu, 13 Sep 2012 09:55:41 -0700
On 2012-09-13, at 9:02 AM, Koen van der Drift <email@hidden> wrote:
> On Sep 13, 2012, at 11:44, Ken Thomases <email@hidden> wrote:
>
>> On Sep 13, 2012, at 7:40 AM, Koen van der Drift wrote:
>>
>>> When I draw two lines using NSBezierPaths, both of which have an alpha
>>> value of let's say 0.5, the alpha value appears to be higher at the
>>> intersection (the color becomes more opaque). Is there a way to
>>> maintain the original alpha value for lines that intersect?
>>
>> Does this still happen with a single NSBezierPath containing both lines?
>
> Is that possible, since they all have different begin and end points?
>
> - Koen.
Each stroke can have separate begin and end points from previous strokes. Look at -[NSBezierPath moveToPoint:]
Erik
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