Global Variable

kCGImageSourceShouldCache

Declaration

let kCGImageSourceShouldCache: CFString

Discussion

Whether the image should be cached in a decoded form. The value of this key must be a CFBoolean value. The default value is kCFBooleanFalse in 32-bit, kCFBooleanTrue in 64-bit. This key can be provided in the options dictionary that you can pass to the functions CGImageSourceCopyPropertiesAtIndex(_:_:_:) and CGImageSourceCreateImageAtIndex(_:_:_:).