Struct SinglePixelBufferUserData 

pub struct SinglePixelBufferUserData {
    pub r: u32,
    pub g: u32,
    pub b: u32,
    pub a: u32,
}

Available on crate feature wayland_frontend only.

User data of WlBuffer backed by single pixel

Fields

r: u32

Value of the buffer’s red channel

g: u32

Value of the buffer’s green channel

b: u32

Value of the buffer’s blue channel

a: u32

Value of the buffer’s alpha channel

Implementations

impl SinglePixelBufferUserData

pub fn has_alpha(&self) -> bool

Check if pixel has alpha

pub fn rgba8888(&self) -> [u8; 4]

RGAB8888 color buffer

pub fn rgba32f(&self) -> [f32; 4]

Color represented as rgba32f

Ranges from 0f32 to 1f32

Trait Implementations

impl Debug for SinglePixelBufferUserData

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

Formats the value using the given formatter.

impl<D> Dispatch<WlBuffer, SinglePixelBufferUserData, D> for SinglePixelBufferState

where D: Dispatch<WlBuffer, SinglePixelBufferUserData> + BufferHandler,

fn request( data: &mut D, _client: &Client, buffer: &WlBuffer, request: Request, _udata: &SinglePixelBufferUserData, _dh: &DisplayHandle, _data_init: &mut DataInit<'_, D>, )

Called when a request from a client is processed.

fn destroyed( _state: &mut State, _client: ClientId, _resource: &I, _data: &UserData, )

Called when the object this user data is associated with has been destroyed.