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Re: 2D grayscale image from an array of floats
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Re: 2D grayscale image from an array of floats


  • Subject: Re: 2D grayscale image from an array of floats
  • From: Martin Beroiz <email@hidden>
  • Date: Thu, 17 Dec 2009 08:25:41 -0600

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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  • Follow-Ups:
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References: 
 >Question in regards to .ics files (From: "Eric E. Dolecki" <email@hidden>)
 >2D grayscale image from an array of floats (From: Martin Beroiz <email@hidden>)
 >Re: 2D grayscale image from an array of floats (From: Graham Cox <email@hidden>)

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