Method peek_pixel

web/src/canvas.rs:215–226

(&self, xy: PixelsXY)

    }

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

        let data = self
            .context
            .get_image_data(f64::from(xy.x), f64::from(xy.y), 1.0, 1.0)
            .map_err(js_value_to_io_error)?;
        let pixels = data.data();
        Ok(rgb_to_ansi_color((pixels[0], pixels[1], pixels[2])))
    }

    fn read_pixels(&mut self, xy: PixelsXY, size: SizeInPixels) -> io::Result<ImageData> {
        self.context