Trait resize::PixelFormat

pub trait PixelFormat {
    type Accumulator: AsRef<[f32]> + AsMut<[f32]>;
    type Subpixel: Copy;
    fn new_accum() -> Self::Accumulator;
    fn into_subpixel(v: f32) -> Self::Subpixel;
    fn from_subpixel(v: &Self::Subpixel) -> f32;

    fn get_size(&self) -> usize { ... }
    fn get_ncomponents(&self) -> usize { ... }
}

See Pixel

Associated Types

type Accumulator: AsRef<[f32]> + AsMut<[f32]>

Array to hold temporary values.

type Subpixel: Copy

Type of a Subpixel of each pixel (8 or 16 bits).

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Required methods

fn new_accum() -> Self::Accumulator

New empty Accumulator.

fn into_subpixel(v: f32) -> Self::Subpixel

Convert float to integer value in range appropriate for this pixel format.

fn from_subpixel(v: &Self::Subpixel) -> f32

Convert pixel component to float

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Provided methods

fn get_size(&self) -> usize

Size of one pixel in that format in bytes.

fn get_ncomponents(&self) -> usize

Return number of components of that format.

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Implementors

impl PixelFormat for Gray16

type Accumulator = [f32; 1]

type Subpixel = u16

#[must_use]fn new_accum() -> Self::Accumulator

#[must_use]fn into_subpixel(v: f32) -> Self::Subpixel

fn from_subpixel(px: &Self::Subpixel) -> f32

impl PixelFormat for Gray8

type Accumulator = [f32; 1]

type Subpixel = u8

#[must_use]fn new_accum() -> Self::Accumulator

#[must_use]fn into_subpixel(v: f32) -> Self::Subpixel

fn from_subpixel(px: &Self::Subpixel) -> f32

impl PixelFormat for RGB24

type Accumulator = [f32; 3]

type Subpixel = u8

#[must_use]fn new_accum() -> Self::Accumulator

#[must_use]fn into_subpixel(v: f32) -> Self::Subpixel

fn from_subpixel(px: &Self::Subpixel) -> f32

impl PixelFormat for RGB48

type Accumulator = [f32; 3]

type Subpixel = u16

#[must_use]fn new_accum() -> Self::Accumulator

#[must_use]fn into_subpixel(v: f32) -> Self::Subpixel

fn from_subpixel(px: &Self::Subpixel) -> f32

impl PixelFormat for RGBA

type Accumulator = [f32; 4]

type Subpixel = u8

#[must_use]fn new_accum() -> Self::Accumulator

#[must_use]fn into_subpixel(v: f32) -> Self::Subpixel

fn from_subpixel(px: &Self::Subpixel) -> f32

impl PixelFormat for RGBA64

type Accumulator = [f32; 4]

type Subpixel = u16

#[must_use]fn new_accum() -> Self::Accumulator

#[must_use]fn into_subpixel(v: f32) -> Self::Subpixel

fn from_subpixel(px: &Self::Subpixel) -> f32

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