Struct Backend 

pub struct Backend {
    pub bitmap: Option<Box<dyn Bitmap + 'static>>,
    pub bitmap_type: Option<Box<dyn Bitmap + 'static>>,
    pub position: Point,
    pub area: Area,
    pub enable: bool,
    pub visible: bool,
    pub background_color: Color,
    pub handle_all_event: bool,
    pub on_press: Option<Box<dyn FnMut(Point, &mut Handler, &mut Backend)>>,
    pub on_motion: Option<Box<dyn FnMut(Point, &mut Handler, &mut Backend)>>,
    pub on_release: Option<Box<dyn FnMut(Point, &mut Handler, &mut Backend)>>,
    pub on_message: Option<Box<dyn FnMut(&'static str, &mut Handler, &mut Backend)>>,
}

Fields

bitmap: Option<Box<dyn Bitmap + 'static>>

bitmap_type: Option<Box<dyn Bitmap + 'static>>

position: Point

area: Area

enable: bool

visible: bool

background_color: Color

handle_all_event: bool

on_press: Option<Box<dyn FnMut(Point, &mut Handler, &mut Backend)>>

on_motion: Option<Box<dyn FnMut(Point, &mut Handler, &mut Backend)>>

on_release: Option<Box<dyn FnMut(Point, &mut Handler, &mut Backend)>>

on_message: Option<Box<dyn FnMut(&'static str, &mut Handler, &mut Backend)>>

Implementations

impl Backend

pub fn new() -> Self

pub fn set_size(&mut self, width: u16, height: u16)

pub fn create_buffer(&mut self) -> Result<(), PixelabError>

pub fn destroy_buffer(&mut self)

pub fn overlay( &mut self, fb: &mut Box<dyn Bitmap + 'static>, ) -> Result<(), PixelabError>

pub fn set_pixel( &mut self, point: Point, color: Color, ) -> Result<(), PixelabError>

pub fn clear(&mut self, color: Color) -> Result<(), PixelabError>

pub fn set_position(&mut self, x: u16, y: u16)

pub fn check_scope(&mut self, point: Point) -> bool

pub fn on_press( &mut self, f: impl 'static + FnMut(Point, &mut Handler, &mut Backend), )

pub fn on_motion( &mut self, f: impl 'static + FnMut(Point, &mut Handler, &mut Backend), )

pub fn on_release( &mut self, f: impl 'static + FnMut(Point, &mut Handler, &mut Backend), )

pub fn on_message<F>( &mut self, f: impl 'static + FnMut(&'static str, &mut Handler, &mut Backend), )