Delayed load of backgrounds

Implementation of basic resource system in application

1 files changed, 15 insertions, 1 deletions

diff --git a/usmpgames/application.py b/usmpgames/application.py
index cd6b863..d492b5c 100755
--- a/usmpgames/application.py
+++ b/usmpgames/application.py
@@ -1,17 +1,31 @@
 #!/usr/bin/python
-# -*- coding: iso-8859-15 -*-
+# -*- coding: utf-8 -*-
 
 import sys
 import pygame
+import olpcgames
+import constants
 
 class Application():
 
     _instance = None
+    _resources = {}
 
     @staticmethod
     def instance():
         return Application._instance
 
+    @staticmethod
+    def get_resource_background(name):
+        if name is None:
+            return None
+        if not Application._resources.has_key(name) :
+            size = constants.screen_size
+            if olpcgames.ACTIVITY:
+                size = olpcgames.ACTIVITY.game_size
+            Application._resources[name] = pygame.transform.scale( pygame.image.load(name), size)
+        return Application._resources[name]
+
     def __init__(self):
         self._state_stack = []
         self._current_state = None