Enum gfx_core::state::Comparison

pub enum Comparison {
    Never,
    Less,
    LessEqual,
    Equal,
    GreaterEqual,
    Greater,
    NotEqual,
    Always,
}

A pixel-wise comparison function.

Variants

Never

false

Less

x < y

LessEqual

x <= y

Equal

x == y

GreaterEqual

x >= y

Greater

x > y

NotEqual

x != y

Always

true

Trait Implementations

impl PartialOrd<Comparison> for Comparison

fn partial_cmp(&self, __arg_0: &Comparison) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

This method tests less than (for self and other) and is used by the < operator.

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

This method tests less than or equal to (for self and other) and is used by the <= operator.

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

This method tests greater than (for self and other) and is used by the > operator.

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

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl Hash for Comparison

fn hash<__H>(&self, __arg_0: &mut __H) where
    __H: Hasher, 

Feeds this value into the state given, updating the hasher as necessary.

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

Feeds a slice of this type into the state provided.

impl Ord for Comparison

fn cmp(&self, __arg_0: &Comparison) -> Ordering

This method returns an Ordering between self and other.

impl Eq for Comparison

impl PartialEq<Comparison> for Comparison

fn eq(&self, __arg_0: &Comparison) -> bool

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl Clone for Comparison

fn clone(&self) -> Comparison

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for Comparison

impl Debug for Comparison

fn fmt(&self, __arg_0: &mut Formatter) -> Result<(), Error>

Formats the value using the given formatter.