Re: draw NSAttributedstring with transparency
Re: draw NSAttributedstring with transparency
- Subject: Re: draw NSAttributedstring with transparency
- From: Kyle Sluder <email@hidden>
- Date: Fri, 23 Jul 2010 07:26:51 -0700
On Jul 23, 2010, at 4:41 AM, Andreas Mayer <email@hidden> wrote:
>
> Am 23.07.2010 um 12:53 Uhr schrieb Bernard Knaepen:
>
>> I am currently using the drawAtPoint method but I would like to specify a global opacity (transparency) to draw the string. Is there a way to do this or should I scan the whole string and make the changes to each character color individually by using the colorWithAlphaComponent method?
>
> You could draw the string to an intermediate image and composite that image with the desired opacity onto the target image.
This would prevent Quartz from being able to perform subpixel antialiasing, resulting is crummy text.
--Kyle Sluder_______________________________________________
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