From: Simon Cross <hodgestar@gmail.com>
Date: Fri, 16 May 2014 23:23:40 +0000 (+0200)
Subject: Allow custom flags for blending.
X-Git-Tag: 0.1~154
X-Git-Url: https://git.ctpug.org.za/?a=commitdiff_plain;h=84c542f883e16a7f40c70e8a7096b92c063a0e7f;p=naja.git

Allow custom flags for blending.
---

diff --git a/naja/resources/mutators.py b/naja/resources/mutators.py
index 36ef229..e3fc67a 100644
--- a/naja/resources/mutators.py
+++ b/naja/resources/mutators.py
@@ -41,18 +41,18 @@ def scale_multiplier(image, factor):
     return scale(image, size)
 
 
-def blend_add(image, colour):
+def blend_add(image, colour, flags=pgl.BLEND_ADD):
     """Overlay the image with the given colour using BLEND_ADD"""
     blend = surface.Surface(image.get_size())
     blend.fill(colour)
     # We return a copy
     blended_image = image.copy()
-    blended_image.blit(blend, (0, 0), special_flags=pgl.BLEND_ADD)
+    blended_image.blit(blend, (0, 0), special_flags=flags)
     return blended_image
 
 
-def blender(colour):
-    return Mutator(blend_add, tuple(colour))
+def blender(colour, flags=pgl.BLEND_ADD):
+    return Mutator(blend_add, tuple(colour), flags)
 
 
 # Identity mutator