Let's say I have an NSImage that contains some representation other than
an NSBitmapImageRep, and I want to play with the pixel values. My plan
was like this:
Create a NSBitmapImageRep of the same size as my source image.
Make a new NSImage and add my new representation to it.
Lock focus on
On Aug 18, 2011, at 4:16 PM, James Walker wrote:
Let's say I have an NSImage that contains some representation other than an
NSBitmapImageRep, and I want to play with the pixel values.
Create your NSBitmapImageRep
Create a NSGraphicsContext from that rep and make it current
Draw your
On Aug 18, 2011, at 4:26 PM, Kyle Sluder wrote:
I'd point you at the Snow Leopard AppKit release notes, which contain a very
long discussion about this topic (presumably written by David), but it seems
there are only the Lion and Leopard versions available online. :(
I can't take credit
Hey David,
Why not just use the
CGDataProviderCopyData(CGImageGetDataProvider(imageRef)) to create a
new NSBitmapImageRequest with the image's original data? Is drawing it
more performant or gives you a better more compact data
representation?
_Karl
On Thu, Aug 18, 2011 at 4:23 PM, David Duncan
On Thu, Aug 18, 2011 at 4:23 PM, David Duncan david.dun...@apple.com wrote:
On Aug 18, 2011, at 4:16 PM, James Walker wrote:
Let's say I have an NSImage that contains some representation other than an
NSBitmapImageRep, and I want to play with the pixel values.
Create your NSBitmapImageRep
On 8/18/2011 4:23 PM, David Duncan wrote:
On Aug 18, 2011, at 4:16 PM, James Walker wrote:
Let's say I have an NSImage that contains some representation other than an
NSBitmapImageRep, and I want to play with the pixel values.
Create your NSBitmapImageRep
Create a NSGraphicsContext from
