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//! Framebuffer support for the Sense HAT LED Matrix.
use framebuffer::Framebuffer;
use super::{FrameLine, error::ScreenError};

/// This is the main type for interacting with the LED Matrix Screen.
#[derive(Debug)]
pub struct Screen {
    framebuffer: Framebuffer,
}

#[cfg(feature = "linux-framebuffer")]
impl Screen {
    /// Open the framebuffer to the screen at the given file-system path.
    pub fn open(path: &str) -> Result<Self, ScreenError> {
        let framebuffer = Framebuffer::new(path)?;
        Ok(Screen { framebuffer })
    }

    /// Write the contents of a `FrameLine` into the framebuffer. This will
    /// render the frameline on the screen.
    pub fn write_frame(&mut self, frame: &FrameLine) {
        self.framebuffer.write_frame(&frame.as_bytes());
    }
}