3 files changed, 42 insertions, 0 deletions
diff --git a/bot/resources/bat-clipart.png b/bot/resources/bat-clipart.png
new file mode 100644
index 00000000..7df26ba9
--- /dev/null
+++ b/bot/resources/bat-clipart.png
diff --git a/bot/resources/bloody-pentagram.png b/bot/resources/bloody-pentagram.png
new file mode 100644
index 00000000..4e6da07a
--- /dev/null
+++ b/bot/resources/bloody-pentagram.png
diff --git a/bot/resources/spookifications.py b/bot/resources/spookifications.py
index 880b24e7..43e8b038 100644
--- a/bot/resources/spookifications.py
+++ b/bot/resources/spookifications.py
@@ -1,5 +1,11 @@
+import logging
+from random import choice, randint
+
+from PIL import Image
 from PIL import ImageOps
 
+log = logging.getLogger()
+
 
 def inversion(im):
     """Inverts an image.
@@ -9,3 +15,39 @@ def inversion(im):
     im = im.convert('RGB')
     inv = ImageOps.invert(im)
     return inv
+
+
+def pentagram(im):
+    """Adds pentagram to image."""
+    im = im.convert('RGB')
+    wt, ht = im.size
+    penta = Image.open('bot/resources/bloody-pentagram.png')
+    penta = penta.resize((wt, ht))
+    im.paste(penta, (0, 0), penta)
+    return im
+
+
+def bat(im):
+    """Adds a bat silhoutte to the image.
+
+    The bat silhoutte is of a size at least one-fifths that of the original
+    image and may be rotated upto 90 degrees anti-clockwise."""
+    im = im.convert('RGB')
+    wt, ht = im.size
+    bat = Image.open('bot/resources/bat-clipart.png')
+    bat_size = randint(wt//5, wt)
+    rot = randint(0, 90)
+    bat = bat.resize((bat_size, bat_size))
+    bat = bat.rotate(rot)
+    x = randint(0, wt-bat_size)
+    y = randint(0, wt-bat_size)
+    im.paste(bat, (x, y), bat)
+    return im
+
+
+def get_random_effect(im):
+    """Randomly selects and applies an effect."""
+    effects = [inversion, pentagram, bat]
+    effect = choice(effects)
+    log.info("Spookyavatar's chosen effect:" + str(effect))
+    return effect(im)