Method fill

crates/virtual-machine/src/devices/framebuffer.rs:69–75

Fill the draw buffer with one RGBA colour (little-endian word).

(&mut self, color: u32)

        self.version
    }

    /// Both pixel planes (front then back) as one image; the bulk term of a
    /// device snapshot, delta-compressed by the session like RAM.
    pub fn plane_image(&self) -> Vec<u8> {
        let mut buf = Vec::with_capacity(self.front.len() + self.back.len());
        buf.extend_from_slice(&self.front);
        buf.extend_from_slice(&self.back);
        buf
    }