sprite colorkey alpha

pgfw/Sprite.py

@@ -1,7 +1,7 @@
 from os import listdir
 from os.path import isfile, join
 
-from pygame import Color, Rect
+from pygame import Color, Rect, Surface
 from pygame.image import load
 from pygame.transform import flip
 from pygame.locals import *
@@ -23,7 +23,7 @@ class Sprite(Animation):
     def set_framerate(self, framerate):
         self.register(self.shift_frame, interval=framerate)
 
-    def load_from_path(self, path, transparency=False):
+    def load_from_path(self, path, transparency=False, ppa=True, key=None):
         if isfile(path):
             paths = [path]
         else:
@@ -31,11 +31,24 @@ class Sprite(Animation):
         for path in paths:
             img = load(path)
             if transparency:
-                frame = img.convert_alpha()
+                if ppa:
+                    frame = img.convert_alpha()
+                else:
+                    if not key:
+                        key = (255, 0, 255)
+                    frame = self.fill_colorkey(img, key)
             else:
                 frame = img.convert()
             self.add_frame(frame)
 
+    def fill_colorkey(self, img, key):
+        img = img.convert_alpha()
+        frame = Surface(img.get_size())
+        frame.fill(key)
+        frame.set_colorkey(key)
+        frame.blit(img, (0, 0))
+        return frame
+
     def add_frame(self, frame):
         self.frames.append(frame)
         self.measure_rect()