Draft: Resolve "Adapt Algorithm depending on LC type"

Closes #26

Code/Common/include/GlobalDefs.h

@@ -112,6 +112,28 @@ typedef enum
 	LUT   //!< LUT directional correction
 } DirCorMode;
 
+/**
+ * @brief Cloud Mask types
+ */
+typedef enum
+{
+	MAJA,
+	FMASK
+} CloudMaskType;
+
+/**
+ * @brief FMASK Values. Note that these are found empirically using FMask 4.6.
+ * They do not correspond to the official documentation.
+ */
+typedef enum
+{
+	FMASK_LAND=1,
+	FMASK_WATER=5,
+	FMASK_CLOUD=2,
+	FMASK_SNOW=4,
+	FMASK_CLOUDSHADOW=3,
+	FMASK_NODATA=0
+} FMaskValue;
 
 /**
  * @brief Used to determine whether the underlying structure has a size()-method or not.