• Open Menu Close Menu
  • Apple
  • Shopping Bag
  • Apple
  • Mac
  • iPad
  • iPhone
  • Watch
  • TV
  • Music
  • Support
  • Search apple.com
  • Shopping Bag

Lists

Open Menu Close Menu
  • Terms and Conditions
  • Lists hosted on this site
  • Email the Postmaster
  • Tips for posting to public mailing lists
Re: NSBezierPath linewidth not correct
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: NSBezierPath linewidth not correct


  • Subject: Re: NSBezierPath linewidth not correct
  • From: Gustavo Pizano <email@hidden>
  • Date: Sun, 3 Jan 2010 18:19:59 +0100

AHA Interesting.. I was thinking something like that.. but in lower level  using Quartz directly adn the CGContextRef and the transformations.

I will give it a try ...

Thanks  :D

Gustavo

On Jan 3, 2010, at 12:29 PM, Heinrich Giesen wrote:

>
> On 03.01.2010, at 00:45, Rob Keniger wrote:
>
>>
>> It will probably be easier to create an NSAffineTransform and translate the whole context by 0.5px, so all drawing is offset without you needing to fiddle with individual values.
>
> Just a hint:
> NSBezierPath has a method which allows to use NSAffineTransform for this even outside a rendering/drawing process:
>
> Description of transformUsingAffineTransform, a method of NSBezierPath:
>> Transforms all points in the receiver using the specified transform.
>>
>> - (void)transformUsingAffineTransform:(NSAffineTransform *)aTransform
>>
> Example:
>
> NSBezierPath *bPath = // create a path
> // construct the complete path
> NSAffineTransform *transform = [NSAffineTransform transform];
> // move all coordinates to the center of the pixels
> [transform translateXBy: 0.5 yBy: 0.5 ];
> [bPath transformUsingAffineTransform:transform];
> // bPath is now ready for drawing
>
>
> --
> Heinrich Giesen
> email@hidden
>
>

_______________________________________________

Cocoa-dev mailing list (email@hidden)

Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com

Help/Unsubscribe/Update your Subscription:

This email sent to email@hidden

References: 
 >Re: NSBezierPath linewidth not correct (From: Heinrich Giesen <email@hidden>)

  • Prev by Date: Re: Drawing on top of QTCaptureView
  • Next by Date: Re: Drawing on top of QTCaptureView
  • Previous by thread: Re: NSBezierPath linewidth not correct
  • Next by thread: Difficulty binding an NSArrayController to an NSTreeController
  • Index(es):
    • Date
    • Thread