Struct _lv_draw_buf_handlers_t 

#[repr(C)]
pub struct _lv_draw_buf_handlers_t {
    pub buf_malloc_cb: Option<unsafe extern "C" fn(usize, u32) -> *mut c_void>,
    pub buf_free_cb: Option<unsafe extern "C" fn(*mut c_void)>,
    pub align_pointer_cb: Option<unsafe extern "C" fn(*mut c_void, u32) -> *mut c_void>,
    pub invalidate_cache_cb: Option<unsafe extern "C" fn(*const _lv_draw_buf_t, *const lv_area_t)>,
    pub flush_cache_cb: Option<unsafe extern "C" fn(*const _lv_draw_buf_t, *const lv_area_t)>,
    pub width_to_stride_cb: Option<unsafe extern "C" fn(u32, u32) -> u32>,
}

Fields

buf_malloc_cb: Option<unsafe extern "C" fn(usize, u32) -> *mut c_void>

buf_free_cb: Option<unsafe extern "C" fn(*mut c_void)>

align_pointer_cb: Option<unsafe extern "C" fn(*mut c_void, u32) -> *mut c_void>

invalidate_cache_cb: Option<unsafe extern "C" fn(*const _lv_draw_buf_t, *const lv_area_t)>

flush_cache_cb: Option<unsafe extern "C" fn(*const _lv_draw_buf_t, *const lv_area_t)>

width_to_stride_cb: Option<unsafe extern "C" fn(u32, u32) -> u32>

Trait Implementations

impl Clone for _lv_draw_buf_handlers_t

fn clone(&self) -> _lv_draw_buf_handlers_t

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for _lv_draw_buf_handlers_t

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

Formats the value using the given formatter.

impl Default for _lv_draw_buf_handlers_t

fn default() -> _lv_draw_buf_handlers_t

Returns the “default value” for a type.

impl Copy for _lv_draw_buf_handlers_t