Struct lvgl_sys::_lv_draw_ctx_t

#[repr(C)]
pub struct _lv_draw_ctx_t {

    pub buf: *mut c_void,
    pub buf_area: *mut lv_area_t,
    pub clip_area: *const lv_area_t,
    pub init_buf: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t)>,
    pub draw_rect: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, dsc: *const lv_draw_rect_dsc_t, coords: *const lv_area_t)>,
    pub draw_arc: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, dsc: *const lv_draw_arc_dsc_t, center: *const lv_point_t, radius: u16, start_angle: u16, end_angle: u16)>,
    pub draw_img_decoded: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, dsc: *const lv_draw_img_dsc_t, coords: *const lv_area_t, map_p: *const u8, color_format: lv_img_cf_t)>,
    pub draw_img: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, draw_dsc: *const lv_draw_img_dsc_t, coords: *const lv_area_t, src: *const c_void) -> lv_res_t>,
    pub draw_letter: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, dsc: *const lv_draw_label_dsc_t, pos_p: *const lv_point_t, letter: u32)>,
    pub draw_line: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, dsc: *const lv_draw_line_dsc_t, point1: *const lv_point_t, point2: *const lv_point_t)>,
    pub draw_polygon: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, draw_dsc: *const lv_draw_rect_dsc_t, points: *const lv_point_t, point_cnt: u16)>,
    pub draw_transform: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, dest_area: *const lv_area_t, src_buf: *const c_void, src_w: lv_coord_t, src_h: lv_coord_t, src_stride: lv_coord_t, draw_dsc: *const lv_draw_img_dsc_t, cf: lv_img_cf_t, cbuf: *mut lv_color_t, abuf: *mut lv_opa_t)>,
    pub draw_bg: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, draw_dsc: *const lv_draw_rect_dsc_t, coords: *const lv_area_t)>,
    pub wait_for_finish: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t)>,
    pub buffer_copy: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, dest_buf: *mut c_void, dest_stride: lv_coord_t, dest_area: *const lv_area_t, src_buf: *mut c_void, src_stride: lv_coord_t, src_area: *const lv_area_t)>,
    pub layer_init: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, layer_ctx: *mut _lv_draw_layer_ctx_t, flags: lv_draw_layer_flags_t) -> *mut _lv_draw_layer_ctx_t>,
    pub layer_adjust: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, layer_ctx: *mut _lv_draw_layer_ctx_t, flags: lv_draw_layer_flags_t)>,
    pub layer_blend: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, layer_ctx: *mut _lv_draw_layer_ctx_t, draw_dsc: *const lv_draw_img_dsc_t)>,
    pub layer_destroy: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, layer_ctx: *mut lv_draw_layer_ctx_t)>,
    pub layer_instance_size: usize,
    pub user_data: *mut c_void,
}

Fields

buf: *mut c_void

buf_area: *mut lv_area_t

clip_area: *const lv_area_t

init_buf: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t)>

draw_rect: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, dsc: *const lv_draw_rect_dsc_t, coords: *const lv_area_t)>

draw_arc: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, dsc: *const lv_draw_arc_dsc_t, center: *const lv_point_t, radius: u16, start_angle: u16, end_angle: u16)>

draw_img_decoded: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, dsc: *const lv_draw_img_dsc_t, coords: *const lv_area_t, map_p: *const u8, color_format: lv_img_cf_t)>

draw_img: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, draw_dsc: *const lv_draw_img_dsc_t, coords: *const lv_area_t, src: *const c_void) -> lv_res_t>

draw_letter: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, dsc: *const lv_draw_label_dsc_t, pos_p: *const lv_point_t, letter: u32)>

draw_line: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, dsc: *const lv_draw_line_dsc_t, point1: *const lv_point_t, point2: *const lv_point_t)>

draw_polygon: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, draw_dsc: *const lv_draw_rect_dsc_t, points: *const lv_point_t, point_cnt: u16)>

draw_transform: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, dest_area: *const lv_area_t, src_buf: *const c_void, src_w: lv_coord_t, src_h: lv_coord_t, src_stride: lv_coord_t, draw_dsc: *const lv_draw_img_dsc_t, cf: lv_img_cf_t, cbuf: *mut lv_color_t, abuf: *mut lv_opa_t)>

draw_bg: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, draw_dsc: *const lv_draw_rect_dsc_t, coords: *const lv_area_t)>

wait_for_finish: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t)>

buffer_copy: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, dest_buf: *mut c_void, dest_stride: lv_coord_t, dest_area: *const lv_area_t, src_buf: *mut c_void, src_stride: lv_coord_t, src_area: *const lv_area_t)>

layer_init: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, layer_ctx: *mut _lv_draw_layer_ctx_t, flags: lv_draw_layer_flags_t) -> *mut _lv_draw_layer_ctx_t>

layer_adjust: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, layer_ctx: *mut _lv_draw_layer_ctx_t, flags: lv_draw_layer_flags_t)>

layer_blend: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, layer_ctx: *mut _lv_draw_layer_ctx_t, draw_dsc: *const lv_draw_img_dsc_t)>

layer_destroy: Option<unsafe extern "C" fn(draw_ctx: *mut _lv_draw_ctx_t, layer_ctx: *mut lv_draw_layer_ctx_t)>

layer_instance_size: usize

user_data: *mut c_void

Trait Implementations

impl Clone for _lv_draw_ctx_t

fn clone(&self) -> _lv_draw_ctx_t

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for _lv_draw_ctx_t

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

Formats the value using the given formatter.

impl Default for _lv_draw_ctx_t

fn default() -> Self

Returns the “default value” for a type.

impl Copy for _lv_draw_ctx_t