freeimage: Create freeimage plugin and freeimagedec decoder

cmake/modules/FindFreeImage.cmake

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+#
+# Try to find the FreeImage library and include path.
+# Once done this will define
+#
+# FREEIMAGE_FOUND
+# FREEIMAGE_INCLUDE_DIR
+# FREEIMAGE_LIBRARY
+# 
+
+IF (WIN32)
+	FIND_PATH( FREEIMAGE_INCLUDE_DIR FreeImage.h
+		${PROJECT_SOURCE_DIR}/extern/FreeImage
+		DOC "The directory where FreeImage.h resides")
+	FIND_LIBRARY( FREEIMAGE_LIBRARY
+		NAMES FreeImage freeimage
+		PATHS
+		${PROJECT_SOURCE_DIR}/extern/FreeImage
+		DOC "The FreeImage library")
+ELSE (WIN32)
+	FIND_PATH( FREEIMAGE_INCLUDE_DIR FreeImage.h
+		/usr/include
+		/usr/local/include
+		/sw/include
+		/opt/local/include
+		DOC "The directory where FreeImage.h resides")
+	FIND_LIBRARY( FREEIMAGE_LIBRARY
+		NAMES FreeImage freeimage
+		PATHS
+		/usr/lib64
+		/usr/lib
+		/usr/local/lib64
+		/usr/local/lib
+		/sw/lib
+		/opt/local/lib
+		DOC "The FreeImage library")
+ENDIF (WIN32)
+
+SET(FREEIMAGE_LIBRARIES ${FREEIMAGE_LIBRARY})
+
+IF (FREEIMAGE_INCLUDE_DIR AND FREEIMAGE_LIBRARY)
+	SET( FREEIMAGE_FOUND TRUE CACHE BOOL "Set to TRUE if GLEW is found, FALSE otherwise")
+ELSE (FREEIMAGE_INCLUDE_DIR AND FREEIMAGE_LIBRARY)
+	SET( FREEIMAGE_FOUND FALSE CACHE BOOL "Set to TRUE if GLEW is found, FALSE otherwise")
+ENDIF (FREEIMAGE_INCLUDE_DIR AND FREEIMAGE_LIBRARY)
+
+MARK_AS_ADVANCED(
+	FREEIMAGE_FOUND 
+	FREEIMAGE_LIBRARY
+	FREEIMAGE_LIBRARIES
+	FREEIMAGE_INCLUDE_PATH)
+