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

impl LinearApproxScaler

pub fn set_threading_policy(&mut self, threading_policy: ThreadingPolicy)

Available on crate feature colorspaces only.

pub fn plan_planar_resampling( &self, source_size: ImageSize, target_size: ImageSize, ) -> Result<Arc<Resampling<u8, 1>>, PicScaleError>

Available on crate feature colorspaces only.

pub fn plan_cbcr_resampling( &self, source_size: ImageSize, target_size: ImageSize, ) -> Result<Arc<Resampling<u8, 2>>, PicScaleError>

Available on crate feature colorspaces only.

pub fn plan_gray_alpha_resampling( &self, source_size: ImageSize, target_size: ImageSize, premultiply_alpha: bool, ) -> Result<Arc<Resampling<u8, 2>>, PicScaleError>

Available on crate feature colorspaces only.

pub fn plan_rgb_resampling( &self, source_size: ImageSize, target_size: ImageSize, ) -> Result<Arc<Resampling<u8, 3>>, PicScaleError>

Available on crate feature colorspaces only.

pub fn plan_rgba_resampling( &self, source_size: ImageSize, target_size: ImageSize, premultiply_alpha: bool, ) -> Result<Arc<Resampling<u8, 4>>, PicScaleError>

Available on crate feature colorspaces only.

impl LinearApproxScaler

pub fn plan_planar_resampling16( &self, source_size: ImageSize, target_size: ImageSize, bit_depth: usize, ) -> Result<Arc<Resampling<u16, 1>>, PicScaleError>

Available on crate feature colorspaces only.

pub fn plan_gray_alpha_resampling16( &self, source_size: ImageSize, target_size: ImageSize, premultiply_alpha: bool, bit_depth: usize, ) -> Result<Arc<Resampling<u16, 2>>, PicScaleError>

Available on crate feature colorspaces only.

pub fn plan_cbcr_resampling16( &self, source_size: ImageSize, target_size: ImageSize, bit_depth: usize, ) -> Result<Arc<Resampling<u16, 2>>, PicScaleError>

Available on crate feature colorspaces only.

pub fn plan_rgb_resampling16( &self, source_size: ImageSize, target_size: ImageSize, bit_depth: usize, ) -> Result<Arc<Resampling<u16, 3>>, PicScaleError>

Available on crate feature colorspaces only.

pub fn plan_rgba_resampling16( &self, source_size: ImageSize, target_size: ImageSize, premultiply_alpha: bool, bit_depth: usize, ) -> Result<Arc<Resampling<u16, 4>>, PicScaleError>

Available on crate feature colorspaces only.

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 Copy for LinearApproxScaler

Available on crate feature colorspaces only.