# Core Animation Data Types ## Topics ### Data Types [`struct CAAnimationCalculationMode`](/documentation/QuartzCore/CAAnimationCalculationMode) [`struct CAAnimationRotationMode`](/documentation/QuartzCore/CAAnimationRotationMode) [`struct CAEmitterLayerEmitterMode`](/documentation/QuartzCore/CAEmitterLayerEmitterMode) [`struct CAEmitterLayerEmitterShape`](/documentation/QuartzCore/CAEmitterLayerEmitterShape) [`struct CAEmitterLayerRenderMode`](/documentation/QuartzCore/CAEmitterLayerRenderMode) [`struct CAGradientLayerType`](/documentation/QuartzCore/CAGradientLayerType) [`struct CALayerContentsFilter`](/documentation/QuartzCore/CALayerContentsFilter) [`struct CALayerContentsFormat`](/documentation/QuartzCore/CALayerContentsFormat) [`struct CALayerContentsGravity`](/documentation/QuartzCore/CALayerContentsGravity) [`struct CALayerCornerCurve`](/documentation/QuartzCore/CALayerCornerCurve) [`struct CAMediaTimingFillMode`](/documentation/QuartzCore/CAMediaTimingFillMode) [`struct CAMediaTimingFunctionName`](/documentation/QuartzCore/CAMediaTimingFunctionName) [`struct CAScrollLayerScrollMode`](/documentation/QuartzCore/CAScrollLayerScrollMode) [`struct CAShapeLayerFillRule`](/documentation/QuartzCore/CAShapeLayerFillRule) [`struct CAShapeLayerLineCap`](/documentation/QuartzCore/CAShapeLayerLineCap) [`struct CAShapeLayerLineJoin`](/documentation/QuartzCore/CAShapeLayerLineJoin) [`struct CATextLayerAlignmentMode`](/documentation/QuartzCore/CATextLayerAlignmentMode) [`struct CATextLayerTruncationMode`](/documentation/QuartzCore/CATextLayerTruncationMode) [`struct CATransitionSubtype`](/documentation/QuartzCore/CATransitionSubtype) [`struct CATransitionType`](/documentation/QuartzCore/CATransitionType) [`struct CAValueFunctionName`](/documentation/QuartzCore/CAValueFunctionName) ### Variables [`static let automatic: CALayer.ToneMapMode`](/documentation/QuartzCore/CALayer/ToneMapMode-swift.struct/automatic) [`static let ifSupported: CALayer.ToneMapMode`](/documentation/QuartzCore/CALayer/ToneMapMode-swift.struct/ifSupported) [`static let never: CALayer.ToneMapMode`](/documentation/QuartzCore/CALayer/ToneMapMode-swift.struct/never) ### Macros [`#define CA_BOXABLE`](/documentation/QuartzCore/CA_BOXABLE) [`#define CA_CONST`](/documentation/QuartzCore/CA_CONST) [`#define CA_DEPRECATED`](/documentation/QuartzCore/CA_DEPRECATED) [`#define CA_EXTERN`](/documentation/QuartzCore/CA_EXTERN) [`#define CA_EXTERN_C_BEGIN`](/documentation/QuartzCore/CA_EXTERN_C_BEGIN) [`#define CA_EXTERN_C_END`](/documentation/QuartzCore/CA_EXTERN_C_END) [`#define CA_GNUC(major, minor)`](/documentation/QuartzCore/CA_GNUC) [`#define CA_INLINE`](/documentation/QuartzCore/CA_INLINE) [`#define CA_MALLOC`](/documentation/QuartzCore/CA_MALLOC) [`#define CA_NOINLINE`](/documentation/QuartzCore/CA_NOINLINE) [`#define CA_NORETURN`](/documentation/QuartzCore/CA_NORETURN) [`#define CA_PURE`](/documentation/QuartzCore/CA_PURE) [`var CA_WARN_DEPRECATED: Int32`](/documentation/QuartzCore/CA_WARN_DEPRECATED) [`#define CA_WARN_UNUSED`](/documentation/QuartzCore/CA_WARN_UNUSED) ### Type Aliases [`struct ToneMapMode`](/documentation/QuartzCore/CALayer/ToneMapMode-swift.struct) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)