Method peek_pixel

sdl/src/host.rs:441–452

(&self, xy: PixelsXY)

    }

    fn peek_pixel(&self, xy: PixelsXY) -> io::Result<Option<u8>> {
        if !self.contains_pixel(xy) {
            return Ok(None);
        }

        let rect = rect_origin_size(xy, SizeInPixels::new(1, 1));
        let data = self
            .canvas
            .read_pixels(rect, PixelFormatEnum::RGB24)
            .map_err(string_error_to_io_error)?;
        Ok(rgb_to_ansi_color((data[0], data[1], data[2])))
    }

    fn read_pixels(&mut self, xy: PixelsXY, size: SizeInPixels) -> io::Result<Self::ID> {
        let rect = rect_origin_size(xy, size);