Nearest neighbour interpolation

nn.py

@@ -0,0 +1,9 @@
+import lib
+
+class Nearest(lib.Interpolator):
+    def get_pixel(self, pic, x, y, r, qx, qy):
+        rx = round(x)
+        ry = round(y)
+        pix = pic.pixels[y][x]
+        return pix
+