CIFilter_GeometryAdjustment_AffineTransform - linhay/Stem GitHub Wiki
CIFilter.GeometryAdjustment.AffineTransform
Discussion You can scale, translate, or rotate the input image. You can also apply a combination of these operations.
public struct AffineTransform: CIFilterContainerProtocol
Inheritance
Initializers
init()
init()
Properties
filter
var filter: CIFilter
image
A CIImage object whose display name is Image.
var image: CIImage?
transform
On iOS, an NSValue object whose attribute type is CIAttributeTypeTransform. You must pass the transform as NSData using a statement similar to the following, where xform is an affine transform:
var transform: NSValue?
[myFilter setValue:[NSValue valueWithBytes:&xform
objCType:@encode(CGAffineTransform)]
forKey:@"inputTransform"];
On OS X, an NSAffineTransform object whose attribute type is CIAttributeTypeTransform.