枚举 SwsDither 

#[repr(i32)]
pub enum SwsDither {
    SWS_DITHER_NONE = 0,
    SWS_DITHER_AUTO = 1,
    SWS_DITHER_BAYER = 2,
    SWS_DITHER_ED = 3,
    SWS_DITHER_A_DITHER = 4,
    SWS_DITHER_X_DITHER = 5,
    SWS_DITHER_NB = 6,
    SWS_DITHER_MAX_ENUM = 2_147_483_647,
}

Flags and quality settings *

Variants

SWS_DITHER_NONE = 0

SWS_DITHER_AUTO = 1

SWS_DITHER_BAYER = 2

SWS_DITHER_ED = 3

SWS_DITHER_A_DITHER = 4

SWS_DITHER_X_DITHER = 5

SWS_DITHER_NB = 6

SWS_DITHER_MAX_ENUM = 2_147_483_647

trait 实现

impl Clone for SwsDither

fn clone(&self) -> SwsDither

Returns a duplicate of the value. 阅读更多

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

从 source 执行拷贝赋值。 阅读更多

impl Debug for SwsDither

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

使用给定的格式化器格式化该值。 阅读更多

impl Hash for SwsDither

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. 阅读更多

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. 阅读更多

impl PartialEq for SwsDither

fn eq(&self, other: &SwsDither) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

测试 !=。默认实现几乎总是足够的，没有充分理由不应被重写。

impl Copy for SwsDither

impl Eq for SwsDither

impl StructuralPartialEq for SwsDither