add logo

logo/logo_gen.py

@@ -0,0 +1,30 @@
+import math
+from PIL import Image
+import numpy as np
+
+def weierstrass_sin(x, depth=10):
+  return sum(map(lambda i: (2**-i) * math.sin(2**i * x), range(depth)))
+
+
+def weierstrass_cos(x, depth=10):
+  return sum(map(lambda i: (2**-i) * math.cos(2**i * x), range(depth)))
+
+def draw(t, data, dim):
+  scale = min(dim) / 4
+  r = weierstrass_sin(t * weierstrass_cos(t))
+  x = int(scale * r * math.cos(t)) + (min(dim)//2)
+  y = int(scale * r * math.sin(t)) + (min(dim)//2)
+  #print(x, y)
+  data[x, y] = tuple(map(lambda p: int(p * 0.3), data[x, y]))
+
+
+def main():
+  dim = (3240, 1080)
+  img = Image.new('RGB', dim, 'white')
+  pixels = img.load()
+  for i in np.linspace(0.0, 100.0, 1000000):
+    draw(i, pixels, dim)
+  img.show()
+  img.save('save.png')
+
+main()