Re: 2D grayscale image from an array of floats
Re: 2D grayscale image from an array of floats
- Subject: Re: 2D grayscale image from an array of floats
- From: douglas welton <email@hidden>
- Date: Fri, 18 Dec 2009 12:55:13 -0500
Martin,
Have you looked at the API for CGImage? If not, this may be helpful as well.
regards,
douglas
On Dec 17, 2009, at 9:25 AM, Martin Beroiz wrote:
>
> On Dec 17, 2009, at 6:17 AM, Graham Cox wrote:
>
>>
>> On 17/12/2009, at 5:32 AM, Martin Beroiz wrote:
>>
>>> Can anyone please give me any hint on what would be the best approach to this problem? or may be point me some relevant documentation I might read? I know nothing about bitmap image representation, so any pointer on that would appreciated too.
>>
>>
>> I'd say that's exactly what you want - NSBitmapImageRep. You can use its setPixelAtX:y: method to set each pixel individually, provided that ultra-high performance isn't a key requirement. The rep can be drawn directly into a view or wrapped with an NSImage and drawn using that.
>>
>> Look up that class in the docs and it also links to other relevant docs and samples.
>>
>> --Graham
>>
>>
>
>
> Thanks, I'm trying that already. I don't need high performance right now, but just out of curiosity, what would I use if I wanted ultra high performance?
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