I'm getting a problem when I call -dataWithPDFInsideRect: within a
view's -drawRect: method. I'm doing this as part of an attempt to
cache the contents as a PDF under some circumstances, but I get a
number of assertions/exceptions thrown. This was previously working so
I'm not sure what's changed - something in the last Leopard update
perhaps (I'm using 10.5.4).
The assertions are:
2008-08-30 14:20:30.410 Ortelius[48682:10b] *** Assertion failure in -
[DKDrawingView getRectsBeingDrawn:count:], /SourceCache/AppKit/
AppKit-949.33/AppKit.subproj/NSView.m:7334
2008-08-30 14:20:30.411 Ortelius[48682:10b] Invalid parameter not
satisfying: windowRegionBeingDrawn != nil
failed to find start of cross-reference table.
missing or invalid cross-reference trailer.
2008-08-30 14:20:30.412 Ortelius[48682:10b] *** Assertion failure in -
[DKDrawingView getRectsBeingDrawn:count:], /SourceCache/AppKit/
AppKit-949.33/AppKit.subproj/NSView.m:7334
2008-08-30 14:20:30.413 Ortelius[48682:10b] unlockFocus called too
many time.
2008-08-30 14:20:30.413 Ortelius[48682:10b] *** Assertion failure in -
[GCPlacardScrollView
_recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView
:], /SourceCache/AppKit/AppKit-949.33/AppKit.subproj/NSView.m:6272
2008-08-30 14:20:30.417 Ortelius[48682:10b] Invalid parameter not
satisfying: rectSetBeingDrawn != nil
Any ideas? Is it just not safe to try generating a PDF within drawRect?
tia, Graham
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