| CropTransformationProperty | The crop transformation property. |
| HeifBooleanEncoderParameter | Represents a Boolean encoder parameter. |
| HeifColorConversionOptions | The LibHeif color conversion options. |
| HeifColorProfile | The base class for a HEIF image color profile. |
| HeifContentLightLevel | Represents the Content Light Level values used by HDR images. |
| HeifContext | The LibHeif context. |
| HeifDecodedMasteringDisplayColourVolume | Represents the decoded HDR mastering display color volume. |
| HeifDecoderDescriptor | Represents a LibHeif decoder descriptor. |
| HeifDecodingOptions | The options that can be set when decoding an image. |
| HeifDepthRepresentationInfo | The depth representation information. |
| HeifEncoder | A LibHeif encoder instance |
| HeifEncoderDescriptor | Represents a LibHeif encoder descriptor. |
| HeifEncoderParameterT | The base class for the LibHeif encoder parameters |
| HeifEncodingOptions | The options that can be set when encoding an image. |
| HeifException | The exception that is thrown for LibHeif errors. |
| HeifIccColorProfile | Represents an International Color Consortium (ICC) color profile. |
| HeifImage | Represents a LibHeif image. |
| HeifImageHandle | Represents a LibHeif image handle. |
| HeifIntegerEncoderParameter | Represents an Integer LibHeif encoder parameter |
| HeifMasteringDisplayColourVolume | Represents the HDR mastering display color volume. |
| HeifMetadataBlockInfo | Represents the type information of a meta-data item. |
| HeifNclxColorProfile | Represents a NCLX color profile. |
| HeifPlaneData | The data for an image plane. |
| HeifRegionItem | Represents a LibHeif region item. |
| HeifStringEncoderParameter | Represents a string LibHeif encoder parameter |
| LibHeifInfo | Provides information about LibHeif. |
| MirrorTransformationProperty | The mirror transformation property. |
| RegionEllipse | The rectangle region geometry. |
| RegionGeometry | The region geometry base class. |
| RegionInlineMask | The inline mask region geometry. |
| RegionPoint | The point region geometry. |
| RegionPolygon | The polygon region geometry. |
| RegionPolyline | The polyline region geometry. |
| RegionRectangle | The rectangle region geometry. |
| RegionReferencedMask | The referenced mask region geometry. |
| RotationTransformationProperty | The rotation transformation property. |
| TransformationProperty | The base class for the image transformation properties. |
| TransformedRegionEllipse | The transformed ellipse region geometry. |
| TransformedRegionGeometry | The transformed region geometry base class. |
| TransformedRegionPoint | The transformed region point geometry. |
| TransformedRegionPolygon | The transformed polygon region geometry. |
| TransformedRegionPolyline | The transformed polyline region geometry. |
| TransformedRegionRectangle | The transformed rectangle region geometry. |
| UserDescriptionProperty | The user description property |
| HeifItemId | Represents a LibHeif item id. |
| HeifPixelAspectRatio | Represents the pixel aspect ratio of an image |
| HeifRegionItemId | Represents a LibHeif region item id. |
| PolygonPoint | Represents a polygon point. |
| TransformedPolygonPoint | Represents a transformed polygon point. |
| IHeifEncoderParameter | The interface that all LibHeif encoder parameters implement |
| AuxiliaryImageType | The type of auxiliary image that a HeifImageHandle represents. |
| ColorPrimaries | The NCLX color primaries |
| ColorProfileType | The type of color profile. |
| HeifChannel | The LibHeif image channels |
| HeifChroma | The LibHeif image pixel format |
| HeifChromaDownsamplingAlgorithm | The LibHeif chroma down-sampling algorithms. |
| HeifChromaUpsamplingAlgorithm | The LibHeif chroma up-sampling algorithms. |
| HeifColorspace | The color space of the image |
| HeifCompressionFormat | The LibHeif compression format. |
| HeifDepthRepresentationType | The depth representation type. |
| HeifEncoderParameterType | The type of the encoder parameter. |
| HeifOrientation | Specifies how the decoder should transform the image before it is displayed. |
| MatrixCoefficients | The NCLX matrix coefficients |
| MirrorDirection | The direction that the image should be mirrored (flipped). |
| RegionGeometryType | The type of geometry that a region represents. |
| RotationType | The type of rotation than the image requires. |
| TransferCharacteristics | The NCLX transfer characteristics |
| TransformationPropertyType | The type of image transformation that a property represents. |