Re: NSImage from bitmap - then delete bitmap

On Jul 22, 2016, at 19:29 , Graham Cox wrote: > > If the worker thread is waiting for -performOnMainThread to complete, it > *cannot* possibly get a call from the main thread to terminate I nodded agreement when I first read this, then “but wait!” … Your logic seems

Re: NSImage from bitmap - then delete bitmap

> On 23 Jul 2016, at 12:45 AM, Trygve Inda wrote: > > Because the main thread sometimes needs to ask the worker threads to > terminate. If it does this after performOnMainThread has been called by a > worker thread, but before the main thread has processed it, then the

Re: kCFStreamPropertySSLSettings

> On Jul 22, 2016, at 2:46 AM, Gerriet M. Denkmann wrote: > > When it gets some streams it will show a panel: > “MyApp wants to sign using key “something” in your keychain” / “Allow” “Deny” Presumably this app is either acting as an SSL server, or is sending SSL clients.

Re: Do Debug Apps Expire on iOS?

Debug it some other way than with Xcode. Possibly you have a serious bug, but running under the debugger alters something so that the bug isn't stimulated. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or

Re: NSImage from bitmap - then delete bitmap

Or better yet, have the termination request come from a thread other than the main thread. > On Jul 22, 2016, at 9:38 AM, Alan Snyder wrote: > > >> On Jul 22, 2016, at 7:45 AM, Trygve Inda wrote: >> >> Because the main thread sometimes

Re: NSImage from bitmap - then delete bitmap

> On Jul 22, 2016, at 7:45 AM, Trygve Inda wrote: > > Because the main thread sometimes needs to ask the worker threads to > terminate. If it does this after performOnMainThread has been called by a > worker thread, but before the main thread has processed it, then the

Re: Do Debug Apps Expire on iOS?

Go to Window -> Devices -> View Device Logs -Carl > On Jul 22, 2016, at 4:17 AM, Charles Jenkins wrote: > > Thank you all. I’ll start my research on how to find crash logs. > > On Thu, Jul 21, 2016 at 10:30 AM, Roland King wrote: > >> >>> On 21 Jul 2016,

Re: NSImage from bitmap - then delete bitmap

>> Currently it blocks at this point, but I need to avoid that. > > It’s not really clear why this needs to be avoided. The time to draw the > pixels should be a few milliseconds, a small fraction of the time your thread > needs to run, even at its fastest. Because the main thread sometimes

Re: NSImage from bitmap - then delete bitmap

> On 22 Jul 2016, at 11:53 PM, Trygve Inda wrote: > > How can I draw the NSImageRep directly into a window? -[NSImageRep drawInRect:fromRect:operation:fraction:respectFlipped:hints:]; i.e. same as NSImage. > > Also, the main pixel buffer is updated slowly (it

Re: NSImage from bitmap - then delete bitmap

> >> On 22 Jul 2016, at 4:08 PM, Trygve Inda wrote: >> >> I don't think the second part will work because of my workflow: >> >> At Launch: Create pixel buffer that is 1000 x 1000 pixels >> >> Looping thread >> 1. Fill pixel buffer with pixels based on some algorithm

Re: NSImage from bitmap - then delete bitmap

>> This is how it works now, but we are running into a rare deadlock situation >> where the main thread asks the worker thread to end (and waits until it does >> so) while the worker thread is waiting for the image to be displayed. > > If the window has a imageRep property that is (atomic,

Re: Do Debug Apps Expire on iOS?

Thank you all. I’ll start my research on how to find crash logs. On Thu, Jul 21, 2016 at 10:30 AM, Roland King wrote: > > > On 21 Jul 2016, at 22:15, Steve Bird wrote: > > > > > >> On Jul 21, 2016, at 10:05 AM, Eric E. Dolecki > wrote: >

kCFStreamPropertySSLSettings

I have an app (macOS 11.6) which uses kCFStreamPropertySSLSettings. When it gets some streams it will show a panel: “MyApp wants to sign using key “something” in your keychain” / “Allow” “Deny” When I click “Deny” the streams get NSOSStatusErrorDomain errSecAuthFailed. Else (clicked “Allow”)

Re: NSImage from bitmap - then delete bitmap

> On 22 Jul 2016, at 5:30 PM, Quincey Morris > wrote: > > On Jul 22, 2016, at 00:08 , Graham Cox wrote: >> >> If the thread building images never goes faster than once per second, the >> time to draw the image is a fraction of

Re: NSImage from bitmap - then delete bitmap

On Jul 22, 2016, at 00:08 , Graham Cox wrote: > > If the thread building images never goes faster than once per second, the > time to draw the image is a fraction of that - I’m sure 60fps is achievable, > so making the thread wait for the drawing to be done isn’t going

Re: NSImage from bitmap - then delete bitmap

> >> On 22 Jul 2016, at 4:40 PM, Trygve Inda wrote: >> >> >>> With half an eye on performance, if you *do* strictly need a copy of the >>> bitmap, note that NSBitmapImageRep conforms to NSCopying. You don’t have to >>> turn it into a TIFF and back again. >>> >>>

Re: NSImage from bitmap - then delete bitmap

> On 22 Jul 2016, at 5:00 PM, Roland King wrote: > > Since you need the data to persist for display whilst you write a new image > that means there’s two separate buffers, there has to be Not sure there HAS to be. Whether it’s the easiest approach is another matter. If the

Re: NSImage from bitmap - then delete bitmap

> On 22 Jul 2016, at 14:40, Trygve Inda wrote: > > >> With half an eye on performance, if you *do* strictly need a copy of the >> bitmap, note that NSBitmapImageRep conforms to NSCopying. You don’t have to >> turn it into a TIFF and back again. >> >> Also, you don’t

Re: NSImage from bitmap - then delete bitmap

> On 22 Jul 2016, at 4:40 PM, Trygve Inda wrote: > > >> With half an eye on performance, if you *do* strictly need a copy of the >> bitmap, note that NSBitmapImageRep conforms to NSCopying. You don’t have to >> turn it into a TIFF and back again. >> >> Also, you

Re: NSImage from bitmap - then delete bitmap

> With half an eye on performance, if you *do* strictly need a copy of the > bitmap, note that NSBitmapImageRep conforms to NSCopying. You don’t have to > turn it into a TIFF and back again. > > Also, you don’t even need an NSImage - the NSImageRep can be drawn directly. A little deeper

Re: NSImage from bitmap - then delete bitmap

> On 22 Jul 2016, at 4:08 PM, Trygve Inda wrote: > > I don't think the second part will work because of my workflow: > > At Launch: Create pixel buffer that is 1000 x 1000 pixels > > Looping thread > 1. Fill pixel buffer with pixels based on some algorithm > 2.

Re: NSImage from bitmap - then delete bitmap

On Jul 22, 2016, at 1:08 AM, Trygve Inda wrote: > >> But that’s not a great way to do this. You’ve made an image, you’ve encoded >> it >> as TIFF data, then you’ve made a new image, which has decoded the TIFF data >> to >> make a new image rep/bitmap. >> >> You could

Re: NSImage from bitmap - then delete bitmap

> >> On 22 Jul 2016, at 3:37 PM, Trygve Inda wrote: >> >> I create an NSBitmapImageRep: >> >> [[[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL >> pixelsWide:pixelSize.width >> pixelsHigh:pixelSize.height >> bitsPerSample:8 >> samplesPerPixel:4 >> hasAlpha:YES

Re: NSImage from bitmap - then delete bitmap

On Jul 22, 2016, at 12:37 AM, Trygve Inda wrote: > > I create an NSBitmapImageRep: > > [[[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL > pixelsWide:pixelSize.width > pixelsHigh:pixelSize.height > bitsPerSample:8 > samplesPerPixel:4 > hasAlpha:YES > isPlanar:NO

Re: NSImage from bitmap - then delete bitmap

> On 22 Jul 2016, at 3:37 PM, Trygve Inda wrote: > > I create an NSBitmapImageRep: > > [[[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL > pixelsWide:pixelSize.width > pixelsHigh:pixelSize.height > bitsPerSample:8 > samplesPerPixel:4 > hasAlpha:YES >