Added functions for blurring and scaling images and changing the alpha value

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@494 0fc631ac-6414-0410-93d0-97cfa31319b6

src/data/field/symbol.cpp

@@ -34,6 +34,12 @@ SymbolVariation::SymbolVariation()
 {}
 SymbolVariation::~SymbolVariation() {}
 
+bool SymbolVariation::operator == (const SymbolVariation& that) const {
+	return name          == that.name
+	    && border_radius == that.border_radius
+	    && *filter       == *that.filter;
+}
+
 IMPLEMENT_REFLECTION_NO_SCRIPT(SymbolVariation) {
 	REFLECT(name);
 	REFLECT(border_radius);