macOS 12.5
I create an image like:
NSImage *subImage = [ [NSImage alloc] initWithSize: subRect.size ];
[ subImage lockFocus ];
[ self.image drawAtPoint: NSMakePoint(0, 0)
fromRect: subRect
operation:
NSCompositingOperationCopy
fraction: 1
];
[ subImage unlockFocus ];
My NSImageView has no problem showing subImage. So far so good.
But now I try to write it like:
NSArray *representations = subImage.representations; // contains 1 rep
NSBitmapImageRep *oneRep = representations.firstObject;
The problem is: oneRep is an NSCGImageSnapshotRep, which does NOT understand
[ NSBitmapImageRep representationUsingType:properties: ].
(It crashes with a message to this effect).
So: how can I provide my subImage with a nice and valid NSBitmapImageRep?
Btw.: subImage.TIFFRepresentation does work, but I am not really interested in
Tiff.
Gerriet.
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