FbVarScreenInfo

kernel::device::graphics::framebuffer_device

Struct FbVarScreenInfo

#[repr(C)]
pub struct FbVarScreenInfo {Show 29 fields
    pub xres: u32,
    pub yres: u32,
    pub xres_virtual: u32,
    pub yres_virtual: u32,
    pub xoffset: u32,
    pub yoffset: u32,
    pub bits_per_pixel: u32,
    pub grayscale: u32,
    pub red: FbBitfield,
    pub green: FbBitfield,
    pub blue: FbBitfield,
    pub transp: FbBitfield,
    pub nonstd: u32,
    pub activate: u32,
    pub height: u32,
    pub width: u32,
    pub accel_flags: u32,
    pub pixclock: u32,
    pub left_margin: u32,
    pub right_margin: u32,
    pub upper_margin: u32,
    pub lower_margin: u32,
    pub hsync_len: u32,
    pub vsync_len: u32,
    pub sync: u32,
    pub vmode: u32,
    pub rotate: u32,
    pub colorspace: u32,
    pub reserved: [u32; 4],
}

Expand description

Variable screen information structure (Linux fb_var_screeninfo compatible)

Fields§

§xres: u32

Visible resolution width

§yres: u32

Visible resolution height

§xres_virtual: u32

Virtual resolution width

§yres_virtual: u32

Virtual resolution height

§xoffset: u32

Offset from virtual to visible resolution

§yoffset: u32

Offset from virtual to visible resolution

§bits_per_pixel: u32

Bits per pixel

§grayscale: u32

Grayscale != 0 means graylevels instead of colors

§red: FbBitfield

Red bitfield

§green: FbBitfield

Green bitfield

§blue: FbBitfield

Blue bitfield

§transp: FbBitfield

Transparency bitfield

§nonstd: u32

Non-zero if not grayscale

§activate: u32

Activate settings

§height: u32

Screen height in mm

§width: u32

Screen width in mm

§accel_flags: u32

Acceleration flags

§pixclock: u32

Pixel clock in picoseconds

§left_margin: u32

Time from sync to picture

§right_margin: u32

Time from picture to sync

§upper_margin: u32

Time from sync to picture

§lower_margin: u32

Time from picture to sync

§hsync_len: u32

Length of horizontal sync

§vsync_len: u32

Length of vertical sync

§sync: u32

Sync flags

§vmode: u32

Video mode flags

§rotate: u32

Rotation angle (0=normal, 1=90°, 2=180°, 3=270°)

§colorspace: u32

Color space for frame buffer

§reserved: [u32; 4]

Reserved for future use

Trait Implementations§

impl Clone for FbVarScreenInfo

fn clone(&self) -> FbVarScreenInfo

Returns a duplicate of the value. Read more

1.0.0§

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

Performs copy-assignment from source. Read more

impl Debug for FbVarScreenInfo

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

Formats the value using the given formatter. Read more

impl Default for FbVarScreenInfo

fn default() -> Self

Returns the “default value” for a type. Read more

impl Copy for FbVarScreenInfo

Auto Trait Implementations§

impl Freeze for FbVarScreenInfo

impl RefUnwindSafe for FbVarScreenInfo

impl Send for FbVarScreenInfo

impl Sync for FbVarScreenInfo

impl Unpin for FbVarScreenInfo

impl UnwindSafe for FbVarScreenInfo

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

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

Performs copy-assignment from self to dest. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.