Re: How can I be so wrong about graphics?
Re: How can I be so wrong about graphics?
- Subject: Re: How can I be so wrong about graphics?
- From: David Duncan <email@hidden>
- Date: Mon, 6 Jun 2011 14:37:58 -0700
On Jun 6, 2011, at 2:31 PM, Development wrote:
> I'm really loosing faith in my ability to read simple english
>
>
> According to like a million examples... If I place the follow bit of code in a view's drawRect: method I should get a line from pointA to pointB however I get nothing.
> How can subclassing UIView be this difficult? I have turned off clips to bounds, set the stroke color to black and done basically everything I know to do but I get an empty path
>
>
> CGContextRef context = UIGraphicsGetCurrentContext();
>
> CGContextSetStrokeColorWithColor(context, self.strokeColor.CGColor);
> CGContextBeginPath(context);//According to most examples this is a waste of code
>
> // Draw them with a 2.0 stroke width so they are a bit more visible.
> CGContextSetLineWidth(context, 2.0);
>
> CGContextMoveToPoint(context, pointA.x,pointA.y); //start at this point
>
> CGContextAddLineToPoint(context,pointB.x, pointB.y); //draw to this point
>
> // and now draw the Path!
> CGContextStrokePath(context);
What is pointA & pointB? What is self.strokeColor? Assuming this is happening within -drawRect:, it should work just fine.
--
David Duncan
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