Linear

Linear.py

@@ -0,0 +1,23 @@
+import lib
+import math
+
+class BiLinear(lib.Interpolator):
+    def get_pixel(self, pic, x, y, r, qx, qy):
+        leftx = math.floor(x)
+        rightx = math.ceil(x)
+        topy = math.floor(y)
+        bottomy = math.ceil(y)
+        
+        left = pic.at(leftx, topy)
+        right = pic.at(leftx, topy)
+        dist = x % 1
+        top = (left * (1 - dist) + right * dist)
+        
+        left = pic.at(leftx, bottomy)
+        right = pic.at(leftx, bottomy)
+        bottom = (left * (1 - dist) + right * dist)
+        
+        dist = y % 1
+        pix = (top * (1 - dist) + bottom * dist)
+        
+        return pix

test.py

@@ -5,8 +5,8 @@ import lib
 pic = lib.Picture.load(orig_file)
 pic.show()
 
-import nn
-Interp = nn.Nearest()
+import Linear
+Interp = Linear.BiLinear()
 pix = Interp.interpolate(pic, 200, 200)
 pix.show()
 pix.save(new_file)