Struct wlroots::output::Damage

pub struct Damage { /* fields omitted */ }

Tracks damage for an output.

When a frame event is emitted, make_current should be called. If necessary, the output should be repainted and swap_buffers should be called.

No rendering should happen outside a frame event handler.

Methods

impl Damage

pub fn make_current<'a, T>(&mut self, damage: T) -> bool where     T: Into<Option<&'a mut PixmanRegion>>,

Makes the output rendering context current. Returns true if wlr_output_damage_swap_buffers needs to be called.

The region of the output that needs to be repainted is added to damage.

pub fn swap_buffers<'a, T, U>(&mut self, when: T, damage: U) -> bool where     T: Into<Option<Duration>>,     U: Into<Option<&'a mut PixmanRegion>>,

Swaps the output buffers.

If the time of the frame isn't known, set when to None.

Swapping buffers schedules a frame event.

pub fn add(&mut self, damage: &mut PixmanRegion)

Accumulates damage and schedules a frame event.

pub fn add_whole(&mut self)

Damages the whole output and schedules a frame event.

pub fn add_area(&mut self, area: Area)

Accumulates damage from an Area and schedules a frame event.

Trait Implementations

impl Drop for Damage

fn drop(&mut self)

Executes the destructor for this type.

impl Debug for Damage

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

Formats the value using the given formatter.