On Wed, 16 Aug 2017 18:39:56 -0500, Ken Thomases said:
>On Aug 16, 2017, at 6:29 PM, Sean McBride wrote:
>>
>>
>> Right, but then I'm back where I started. :( Because there's
>(apparently) no way to ensure that the NSBitmapImageRep I get is in a
>particular format,
> On Aug 16, 2017, at 4:29 PM, Sean McBride wrote:
>
> Right, but then I'm back where I started. :( Because there's (apparently) no
> way to ensure that the NSBitmapImageRep I get is in a particular format, and
> I absolutely need 8 bit per pixel & greyscale.
I
On Aug 16, 2017, at 6:29 PM, Sean McBride wrote:
>
>
> Right, but then I'm back where I started. :( Because there's (apparently) no
> way to ensure that the NSBitmapImageRep I get is in a particular format, and
> I absolutely need 8 bit per pixel & greyscale.
It's
On Tue, 15 Aug 2017 10:07:47 -0700, Doug Hill said:
>>> Check out CoreImage ColorControls filter, which has a Saturation parameter:
>>
>> Thanks Doug and Jonathan for the CIImage suggestion, I'll take a
>closer look. But one thing I don't see at all in CIImage.h is how to
>get an NSData of the
On Tue, 15 Aug 2017 09:41:25 -0700, Doug Hill said:
>Check out CoreImage ColorControls filter, which has a Saturation parameter:
Thanks Doug and Jonathan for the CIImage suggestion, I'll take a closer look.
But one thing I don't see at all in CIImage.h is how to get an NSData of the
pixels of
> On Aug 15, 2017, at 9:54 AM, Sean McBride wrote:
>
> On Tue, 15 Aug 2017 09:41:25 -0700, Doug Hill said:
>
>> Check out CoreImage ColorControls filter, which has a Saturation parameter:
>
> Thanks Doug and Jonathan for the CIImage suggestion, I'll take a closer
Check out CoreImage ColorControls filter, which has a Saturation parameter:
https://developer.apple.com/library/content/documentation/GraphicsImaging/Reference/CoreImageFilterReference/#//apple_ref/doc/filter/ci/CIColorControls
Hi all,
I get some JPEG data from the network. I want to efficiently decompress this
data into a specific format (8 bit greyscale) and have an NSData of the raw
pixels. What's the best way to do this?
I'm currently using NSBitmapImageRep initWithData:, then testing if the result
is