Struct LinearApproxScaler 

pub struct LinearApproxScaler { /* private fields */ }

Available on crate feature colorspaces only.

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

Creates new instance with sRGB transfer function

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

Creates new instance with provided transfer function

impl LinearApproxScaler

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

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

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

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

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

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

impl LinearApproxScaler

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

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>

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

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

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

Trait Implementations

impl Clone for LinearApproxScaler

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

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

Formats the value using the given formatter.

impl Copy for LinearApproxScaler