當我嘗試使用NSImage中的imageFromRect裁剪圖像,我得到一個EXEC_BAD_ACCESS崩潰時約50%。這是在啓動時運行的(在awakeFromNib中觸發的),所以環境不應該改變。我不知道它爲什麼會崩潰一個啓動而不是另一個。當我裁剪圖像之前設置了斷點時,我可以看到圖像正確地從文件加載,並且似乎具有適當的尺寸。有什麼建議?NSImage中轟然作物
這裏是堆棧跟蹤:
#0 0x97bb58c2 in ripc_RemoveEntry
#1 0x97b927b0 in ripc_AcquireImage
#2 0x97b903be in ripc_DrawImage
#3 0x930f9384 in CGContextDrawImage
#4 0x9463159f in __-[NSBitmapImageRep draw]_block_invoke_1
#5 0x9448e74b in __-[NSBitmapImageRep _performBlockUsingBackingCGImage:]_block_invoke_1
#6 0x94365232 in -[NSBitmapImageRep _performBlockUsingBacking:]
#7 0x9448e6b3 in -[NSBitmapImageRep _performBlockUsingBackingCGImage:]
#8 0x9462f87f in -[NSBitmapImageRep draw]
#9 0xb0006a03 in -[NSImage(Crop) imageFromRect:] at ThemeManager.m:325
#10 0xb000820a in -[FrameImages setImage:] at ThemeManager.m:270
#11 0xb0005f21 in -[ThemeManager setImage:forTheme:] at ThemeManager.m:63
#12 0xb0006397 in +[ThemeManager defaultThemeManager] at ThemeManager.m:39
#13 0xb0005b33 in -[SCThemedView layoutContentView] at SCThemedView.m:92
#14 0x9435ebaf in -[NSNibOutletConnector establishConnection]
#15 0x9435d33b in -[NSIBObjectData nibInstantiateWithOwner:topLevelObjects:]
#16 0x9435b450 in loadNib
#17 0x9435a848 in +[NSBundle(NSNibLoading) _loadNibFile:nameTable:withZone:ownerBundle:]
#18 0x9435a759 in +[NSBundle(NSNibLoading) loadNibFile:externalNameTable:withZone:]
#19 0x9435a6a4 in +[NSBundle(NSNibLoading) loadNibNamed:owner:]
#20 0x943574a9 in NSApplicationMain
#21 0x0000256a in start
你可能需要從發佈您的代碼 - [NSImage中(作物)imageFromRect:]。此外,該方法名稱過於通用,無法在沒有前綴的類別中添加。 – Ken 2010-02-13 08:02:40