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-rw-r--r--src/nsterm.m22
1 files changed, 20 insertions, 2 deletions
diff --git a/src/nsterm.m b/src/nsterm.m
index ba5d81fb6cd..1c1f0c8f239 100644
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -9394,7 +9394,7 @@ nswindow_orderedIndex_sort (id w1, id w2, void *c)
if (self)
{
cache = [[NSMutableArray arrayWithCapacity:CACHE_MAX_SIZE] retain];
- colorSpace = cs;
+ [self setColorSpace:cs];
}
else
{
@@ -9409,7 +9409,10 @@ nswindow_orderedIndex_sort (id w1, id w2, void *c)
{
/* We don't need to clear the cache because the new colorspace will
be used next time we create a new context. */
- colorSpace = cs;
+ if (cs)
+ colorSpace = cs;
+ else
+ colorSpace = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
}
@@ -9505,6 +9508,12 @@ nswindow_orderedIndex_sort (id w1, id w2, void *c)
(id)kIOSurfacePixelFormat:[NSNumber numberWithUnsignedInt:'BGRA']});
}
+ if (!surface)
+ {
+ NSLog (@"Failed to create IOSurface for frame %@", [self delegate]);
+ return nil;
+ }
+
IOReturn lockStatus = IOSurfaceLock (surface, 0, nil);
if (lockStatus != kIOReturnSuccess)
NSLog (@"Failed to lock surface: %x", lockStatus);
@@ -9522,6 +9531,15 @@ nswindow_orderedIndex_sort (id w1, id w2, void *c)
(kCGImageAlphaPremultipliedFirst
| kCGBitmapByteOrder32Host));
+ if (!context)
+ {
+ NSLog (@"Failed to create context for frame %@", [self delegate]);
+ IOSurfaceUnlock (currentSurface, 0, nil);
+ CFRelease (currentSurface);
+ currentSurface = nil;
+ return nil;
+ }
+
CGContextTranslateCTM(context, 0, IOSurfaceGetHeight (currentSurface));
CGContextScaleCTM(context, scale, -scale);
}