The duck was moving the XOR pattern in the wrong direction. Fixed it.

[synfig.git] / synfig-core / trunk / src / modules / lyr_std / xorpattern.cpp

diff --git a/synfig-core/trunk/src/modules/lyr_std/xorpattern.cpp b/synfig-core/trunk/src/modules/lyr_std/xorpattern.cpp
index 078a156..cbbfe56 100644 (file)
--- a/synfig-core/trunk/src/modules/lyr_std/xorpattern.cpp
+++ b/synfig-core/trunk/src/modules/lyr_std/xorpattern.cpp
@@ -2,6 +2,8 @@
 /*!    \file xorpattern.cpp
 **     \brief Template Header
 **
+**     $Id$
+**
 **     \legal
 **     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
 **
@@ -47,11 +49,11 @@
 /* === G L O B A L S ======================================================= */
 
 SYNFIG_LAYER_INIT(XORPattern);
-SYNFIG_LAYER_SET_NAME(XORPattern,"XORPattern");
+SYNFIG_LAYER_SET_NAME(XORPattern,"xor_pattern");
 SYNFIG_LAYER_SET_LOCAL_NAME(XORPattern,_("XOR Pattern"));
 SYNFIG_LAYER_SET_CATEGORY(XORPattern,_("Other"));
 SYNFIG_LAYER_SET_VERSION(XORPattern,"0.1");
-SYNFIG_LAYER_SET_CVS_ID(XORPattern,"$Id: xorpattern.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $");
+SYNFIG_LAYER_SET_CVS_ID(XORPattern,"$Id$");
 
 /* === P R O C E D U R E S ================================================= */
 
@@ -86,12 +88,15 @@ XORPattern::get_param(const String & param)const
 Color
 XORPattern::get_color(Context context, const Point &point)const
 {
-       unsigned int a=(unsigned int)floor((point[0]+pos[0])/size[0]), b=(unsigned int)floor((point[1]+pos[1])/size[1]);
+       unsigned int a=(unsigned int)floor((point[0]-pos[0])/size[0]), b=(unsigned int)floor((point[1]-pos[1])/size[1]);
        unsigned char rindex=(a^b);
        unsigned char gindex=(a^(~b))*4;
        unsigned char bindex=~(a^b)*2;
 
-       return Color((Color::value_type)rindex/(Color::value_type)255.0,(Color::value_type)gindex/(Color::value_type)255.0,(Color::value_type)bindex/(Color::value_type)255.0,1.0);
+       return Color((Color::value_type)rindex/(Color::value_type)255.0,
+                                (Color::value_type)gindex/(Color::value_type)255.0,
+                                (Color::value_type)bindex/(Color::value_type)255.0,
+                                1.0);
 }
 
 Layer::Vocab