Struct LinearApproxScaler 

pub struct LinearApproxScaler { /* private fields */ }

Linearize image into u16, scale and then convert it back. It’s much faster than scale in f32, however involves small precision loss

Implementations

impl LinearApproxScaler

pub fn new(filter: ResamplingFunction) -> Self

Available on crate feature colorspaces only.

Creates new instance with sRGB transfer function

pub fn new_with_transfer( filter: ResamplingFunction, transfer_function: TransferFunction, ) -> Self

Available on crate feature colorspaces only.

Creates new instance with provided transfer function

Trait Implementations

impl Clone for LinearApproxScaler

Available on crate feature colorspaces only.

fn clone(&self) -> LinearApproxScaler

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for LinearApproxScaler

Available on crate feature colorspaces only.

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Scaling for LinearApproxScaler

Available on crate feature colorspaces only.

fn set_threading_policy(&mut self, threading_policy: ThreadingPolicy)

Sets threading policy

fn resize_plane<'a>( &'a self, store: &ImageStore<'a, u8, 1>, into: &mut ImageStoreMut<'a, u8, 1>, ) -> Result<(), PicScaleError>

Performs rescaling for planar image

fn resize_cbcr8<'a>( &'a self, store: &ImageStore<'a, u8, 2>, into: &mut ImageStoreMut<'a, u8, 2>, ) -> Result<(), PicScaleError>

Performs rescaling for CbCr8 ( or 2 interleaved channels )

fn resize_gray_alpha<'a>( &'a self, store: &ImageStore<'a, u8, 2>, into: &mut ImageStoreMut<'a, u8, 2>, premultiply_alpha: bool, ) -> Result<(), PicScaleError>

Performs rescaling for Gray Alpha ( or 2 interleaved channels with aloha )

fn resize_rgb<'a>( &self, store: &ImageStore<'a, u8, 3>, into: &mut ImageStoreMut<'a, u8, 3>, ) -> Result<(), PicScaleError>

Performs rescaling for RGB, channel order does not matter

fn resize_rgba<'a>( &self, store: &ImageStore<'a, u8, 4>, into: &mut ImageStoreMut<'a, u8, 4>, premultiply_alpha: bool, ) -> Result<(), PicScaleError>

Performs rescaling for RGBA

impl ScalingU16 for LinearApproxScaler

Available on crate feature colorspaces only.

fn resize_plane_u16<'a>( &'a self, store: &ImageStore<'a, u16, 1>, into: &mut ImageStoreMut<'a, u16, 1>, ) -> Result<(), PicScaleError>

Performs rescaling for Planar u16

fn resize_cbcr_u16<'a>( &'a self, store: &ImageStore<'a, u16, 2>, into: &mut ImageStoreMut<'a, u16, 2>, ) -> Result<(), PicScaleError>

Performs rescaling for CbCr16

fn resize_gray_alpha16<'a>( &'a self, store: &ImageStore<'a, u16, 2>, into: &mut ImageStoreMut<'a, u16, 2>, premultiply_alpha: bool, ) -> Result<(), PicScaleError>

Performs rescaling for Gray Alpha high bit-depth ( or 2 interleaved channels with aloha )

fn resize_rgb_u16<'a>( &'a self, store: &ImageStore<'a, u16, 3>, into: &mut ImageStoreMut<'a, u16, 3>, ) -> Result<(), PicScaleError>

Performs rescaling for RGB

fn resize_rgba_u16<'a>( &'a self, store: &ImageStore<'a, u16, 4>, into: &mut ImageStoreMut<'a, u16, 4>, premultiply_alpha: bool, ) -> Result<(), PicScaleError>

Performs rescaling for RGBA high bit-depth

impl Copy for LinearApproxScaler

Available on crate feature colorspaces only.