Well that exception suggests you have a truly giant image on your hands. Perhaps there's enough memory to do some work with it, but not all.
The most important question: what are you actually calling -TIFFRepresentation for? In practice it's often a rather inefficient method to accomplish your end goal. Sent from my iPad On 9 Mar 2013, at 18:08, Markus Spoettl <ms_li...@shiftoption.com> wrote: > Hello, > > I have a user who reports a crash in NSImage's -TIFFRepresentation, the > backtrace from -TIFFRepresentation is below. Apparently the image dimensions > are wrong. > > I don't have the image itself but since my app displays and serializes the > image without problem (according to the user), I have no reason to believe > that it's corrupt. > > Is there any legal way that TIFFRepresentation can crash? If so, is there any > way to detect that? > > Regards > Markus > > Application Specific Information: > *** Terminating app due to uncaught exception > 'NSBadBitmapParametersException', reason: 'Overflow allocating bitmap backing > store. Cannot back bitmap with 10737418240 bytes per row, 1786807033 height, > and 1 planes.' > abort() called > terminate called throwing an exception > > > 0 CoreFoundation 0x00007fff8d3470a6 > __exceptionPreprocess + 198 > 1 libobjc.A.dylib 0x00007fff8ee103f0 > objc_exception_throw + 43 > 2 CoreFoundation 0x00007fff8d346e7c +[NSException > raise:format:] + 204 > 3 AppKit 0x00007fff93877cdf > NSNewBitmapBackingStore + 134 > 4 AppKit 0x00007fff939c5b31 > +[NSCGImageSnapshotRep > _lockFocusForCreatingSnapshot:withRect:context:hints:flipped:] + 821 > 5 AppKit 0x00007fff93a8747e -[NSImageRep > _newCGImageForProposedRect:context:hints:flipped:] + 641 > 6 AppKit 0x00007fff93916acb -[NSImageRep > CGImageForProposedRect:context:hints:] + 99 > 7 AppKit 0x00007fff939d5653 > -[NSCGImageSnapshotRep _snapshotRep_CGImageForProposedRect:context:hints:] + > 544 > 8 AppKit 0x00007fff939d5405 > -[NSCGImageSnapshotRep CGImageForProposedRect:context:hints:] + 17 > 9 AppKit 0x00007fff93c884d3 -[NSImageRep > _withHints:performBlockUsingBitmapForTIFFRepresentation:] + 83 > 10 AppKit 0x00007fff93f88896 > -[NSCGImageSnapshotRep > _withHints:performBlockUsingBitmapForTIFFRepresentation:] + 90 > 11 AppKit 0x00007fff93c83fe0 __block_global_1 + > 179 > 12 AppKit 0x00007fff93c8054b -[NSImage > _usingBestRepresentationAmongRepresentations:forRect:context:hints:body:] + > 178 > 13 AppKit 0x00007fff93c83f02 __53-[NSImage > TIFFRepresentationUsingCompression:factor:]_block_invoke_0 + 344 > 14 AppKit 0x00007fff9386367f -[NSImage > _usingRepProviderPerformBlock:] + 41 > 15 AppKit 0x00007fff93863641 -[NSImage > _usingRepresentationsPerformBlock:] + 91 > 16 AppKit 0x00007fff93c83cfb -[NSImage > TIFFRepresentationUsingCompression:factor:] + 400 > 1 > 17 MyApp 0x000000010e4e15fb [NSImage > TIFFRepresentation] > > > -- > __________________________________________ > Markus Spoettl > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/cocoadev%40mikeabdullah.net > > This email sent to cocoa...@mikeabdullah.net _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
