Struct DevicePixels 

#[repr(transparent)]
pub struct DevicePixels(pub i32);

A whole number of physical pixels on the display.

Device pixels are the pixels the hardware draws. Use them for sizes that are measured in pixels of the output, such as the size of a rendered image or a window’s drawable area. Layout and painting use Pixels. Convert between the two with Size::to_device_pixels and Size::to_pixels, which apply the scale factor.

DevicePixels implements Debug as "<n> px (device)".

Examples

use gpui::DevicePixels;

let pixels = DevicePixels(10);
assert_eq!(pixels.0, 10);
assert_eq!(DevicePixels::from(640_u32), DevicePixels(640));

Tuple Fields

0: i32

Implementations

impl DevicePixels

pub fn to_bytes(self, bytes_per_pixel: u8) -> u32

Returns the number of bytes needed for this many pixels.

Multiply by the number of bytes each pixel takes, such as 4 for RGBA. Only use this on non-negative values: a negative count is cast to u32 before multiplying, which gives a meaningless result.

Examples

let pixels = DevicePixels(10);
let bytes_per_pixel = 4;
let total_bytes = pixels.to_bytes(bytes_per_pixel);
assert_eq!(total_bytes, 40);

Trait Implementations

impl Add for DevicePixels

type Output = DevicePixels

The resulting type after applying the + operator.

fn add(self, __rhs: Self) -> Self::Output

Performs the + operation.

impl AddAssign for DevicePixels

fn add_assign(&mut self, __rhs: Self)

Performs the += operation.

impl Clone for DevicePixels

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for DevicePixels

impl Debug for DevicePixels

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

Formats the value using the given formatter.

impl Default for DevicePixels

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for DevicePixels

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<__derive_more_Rhs> Div<__derive_more_Rhs> for DevicePixels

where i32: Div<__derive_more_Rhs, Output = i32>,

type Output = DevicePixels

The resulting type after applying the / operator.

fn div(self, __rhs: __derive_more_Rhs) -> Self::Output

Performs the / operation.

impl Eq for DevicePixels

impl From<DevicePixels> for i32

fn from(device_pixels: DevicePixels) -> Self

Converts to this type from the input type.

impl From<DevicePixels> for u32

fn from(device_pixels: DevicePixels) -> Self

Converts to this type from the input type.

impl From<DevicePixels> for u64

fn from(device_pixels: DevicePixels) -> Self

Converts to this type from the input type.

impl From<DevicePixels> for usize

fn from(device_pixels: DevicePixels) -> Self

Converts to this type from the input type.

impl From<DevicePixels> for ScaledPixels

fn from(device: DevicePixels) -> Self

Converts to this type from the input type.

impl From<ScaledPixels> for DevicePixels

fn from(scaled: ScaledPixels) -> Self

Converts to this type from the input type.

impl From<i32> for DevicePixels

fn from(device_pixels: i32) -> Self

Converts to this type from the input type.

impl From<u32> for DevicePixels

fn from(device_pixels: u32) -> Self

Converts to this type from the input type.

impl From<u64> for DevicePixels

fn from(device_pixels: u64) -> Self

Converts to this type from the input type.

impl From<usize> for DevicePixels

fn from(device_pixels: usize) -> Self

Converts to this type from the input type.

impl Half for DevicePixels

fn half(&self) -> Self

Returns half of this value.

impl Hash for DevicePixels

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

Feeds this value into the given Hasher.

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

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl IsZero for DevicePixels

fn is_zero(&self) -> bool

Returns true if this value is zero.

impl Lerp for DevicePixels

fn lerp(&self, to: &Self, delta: f32) -> Self

Returns the value delta of the way from self to to.

impl Ord for DevicePixels

fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

fn clamp_to<R>(self, range: R) -> Self

where Self: Sized, R: ClampBounds<Self>,

🔬This is a nightly-only experimental API. (clamp_to)

Restrict a value to a certain range.

impl PartialEq for DevicePixels

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for DevicePixels

fn partial_cmp(&self, other: &Self) -> Option<Ordering>

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

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

Tests less than (for self and other) and is used by the < operator.

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

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

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

Tests greater than (for self and other) and is used by the > operator.

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

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

impl Serialize for DevicePixels

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for DevicePixels

impl Sub for DevicePixels

type Output = DevicePixels

The resulting type after applying the - operator.

fn sub(self, __rhs: Self) -> Self::Output

Performs the - operation.

impl SubAssign for DevicePixels

fn sub_assign(&mut self, __rhs: Self)

Performs the -= operation.