Instance Method

setCachedSeparately:

Sets whether each image representation uses a separate offscreen window to cache its contents.

Declaration

- (void)setCachedSeparately:(BOOL)flag;

Parameters

flag

YES if you want each of the receiver's image representation objects to use a separate offscreen window for caching; otherwise, NO.

Discussion

If you specify NO, a representation can be cached together with other images, though in practice it might not be. This method does not invalidate any existing caches.

If you plan to resize an NSImage object frequently, it is usually more efficient to cache its representations separately. In some situations, you might also want to enable separate caching if you plan to use the compositeToPoint:fromRect:operation: or compositeToPoint:fromRect:operation:fraction:methods to draw the image.

See Also

Deprecated Symbols

+ imageFileTypes

Returns an array of strings identifying the image types supported by the registered image representation objects.

Deprecated
+ imageUnfilteredFileTypes

Returns an array of strings identifying the file types supported directly by the registered image representation objects.

Deprecated
+ imagePasteboardTypes

Returns an array of strings identifying the pasteboard types supported directly by the registered image representation objects.

Deprecated
+ imageUnfilteredPasteboardTypes

Returns an array of strings identifying the pasteboard types supported directly by the registered image representation objects.

Deprecated
- lockFocusOnRepresentation:

Prepares the specified image representation to receive drawing commands.

Deprecated
- bestRepresentationForDevice:

Returns the best representation for the device with the specified characteristics.

Deprecated
- compositeToPoint:operation:

Composites the entire image to the specified point in the current coordinate system.

Deprecated
- compositeToPoint:fromRect:operation:

Composites a portion of the image to the specified point in the current coordinate system.

Deprecated
- compositeToPoint:fromRect:operation:fraction:

Composites a portion of the image at the specified opacity to the current coordinate system.

Deprecated
- compositeToPoint:operation:fraction:

Composites the entire image at the specified opacity in the current coordinate system.

Deprecated
- dissolveToPoint:fraction:

Composites the entire image to the specified location using the source-over operator.

Deprecated
- dissolveToPoint:fromRect:fraction:

Composites a portion of the image to the specified location using the source-over operator.

Deprecated
- setScalesWhenResized:

Sets whether to scale different-sized image representations to fit the image's size.

Deprecated
- scalesWhenResized

Returns a Boolean value indicating whether to scale image representations to fit the image's size.

Deprecated
- setDataRetained:

Sets whether the receiver retains its source image data.

Deprecated
- isDataRetained

Returns a Boolean value indicating whether the receiver retains its source image data.

Deprecated
- isCachedSeparately

Returns a Boolean value indicating whether each image representation caches its contents in a separate offscreen window.

Deprecated
- setCacheDepthMatchesImageDepth:

Sets whether the receiver's offscreen window caches use the same bit depth as the image data itself.

Deprecated
- cacheDepthMatchesImageDepth

Returns a Boolean value indicating whether an image's offscreen window caches use the same bit depth as the image data itself.

Deprecated
- setFlipped:

Sets whether the polarity of the y axis is inverted when drawing an image.

Deprecated
- isFlipped

Returns a Boolean value indicating whether the image uses a flipped coordinate system.

Deprecated