Image outputting v0.1

I have not tried it :-)

lib.py

@@ -51,8 +51,29 @@ class Picture:
 		assert result.h == ht
 		return result
 
+	def _to_pil(self):
+		# Create int iterable
+		# TODO: If this is slow, we should use a generator.
+		seq = []
+		for line in self.pixels:
+			for pix in line:
+				seq.extend(pix)
 		
-	def show(self): ...
+		# bytes…
+		b = bytes(seq)
+
+		# PIL image
+		from PIL import Image
+		img = Image.frombytes('RGB', (self.w, self.h), b)
+		return img
+	
+	def show(self):
+		img = self._to_pil()
+		img.show()
+
+	def save(self, filename):
+		img = self._to_pil()
+		img.save(filename)
 
 class Interpolator:
 	def interpolate(self, picture, new_h, new_w):