Re: Drawing gradients in views

FROM : John C. Randolph
DATE : Tue Jan 28 21:58:19 2003

On Monday, January 27, 2003, at 06:52 PM, Ian G. Gillespie wrote:

> Does anyone know if it possible to fill an NSRect with a gradient.  I 
> envision creating a rectangle that looks like the ones in iCal, they 
> have that smooth color gradient.  I have figured out how to create 
> shadows for my rectangles, but don't know how to do a gradient.
>
> Also, I have tried to figure out how to draw a rect with rounded 
> corners but haven't had any luck.  I found this 
> http://lists.apple.com/archives/cocoa-dev/2001/Aug/28/
> drawingroundedrect.002.txt in the archives, but it didn't work for me. 
>  My rectangles weren't rectangles at all!
>
> Any help would be appreciated.


On Jaguar, take a look in the Core Graphics docs at:

file:///Developer/Documentation/CoreTechnologies/graphics/Quartz2D/
WhatsNewQuartz2D/New/CGShading/index.html

These functions will produce PDF gradients, which have the advantage 
that when you go to print your view, you'll get the gradient at the 
full resolution of the printer and won't see any banding.

-jcr

John C. Randolph    <<email_removed>>  (408) 974-8819
Sr. Cocoa Software Engineer,
Apple Worldwide Developer Relations
http://developer.apple.com/cocoa/index.html
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