On 05/08/2010, at 3:26 AM, Mas Habibi wrote:

> I have use the CGImage with this code, but there's an error when i execute it,
> 
>       CGContextDrawImage(context, imageRect, drawnImage);

Therefore the function must be broken, right? Wrong - you made a mistake. 
What's the error?

> 
> which one is the best one to draw an image directly into NSView?


How long is a piece of string? As always, what you use depends on your needs 
and other tradeoffs. NSImage is probably the highest level, but not necessarily 
the highest performance (though it's doubtful that would be noticeable).

--Graham


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