Trait allegro::SharedBitmap

pub trait SharedBitmap {
    fn create_sub_bitmap(&self,
                         x: i32,
                         y: i32,
                         w: i32,
                         h: i32)
                         -> Result<SubBitmap, ()>;
    fn get_backing_bitmap(&self) -> Option<Rc<Bitmap>>;
}

Expresses something that shares access with a real bitmap.

Required Methods

fn create_sub_bitmap(&self,
                     x: i32,
                     y: i32,
                     w: i32,
                     h: i32)
                     -> Result<SubBitmap, ()>

fn get_backing_bitmap(&self) -> Option<Rc<Bitmap>>

Returns the backing bitmap, if possible.

Implementors

• impl SharedBitmap for Weak<Bitmap>
• impl SharedBitmap for Rc<Bitmap>
• impl SharedBitmap for SubBitmap