FindFreeImage.cmake

# Find the FreeImage library.
#
# This module defines
#  FreeImage::freeimage        - Imported target; link against this in your project.
#  FreeImage_FOUND             - True if FreeImage was found.

#  Additionaly, these variables are defined and can be used:
#  FREEIMAGE_INCLUDE_DIRS      - Include directories for FreeImage headers.
#  FREEIMAGE_LIBRARY           - Libraries for FreeImage.
#
# To specify an additional directory to search, set FREEIMAGE_ROOT.
#
# Copyright (c) 2010, Ewen Cheslack-Postava
# Based on FindSQLite3.cmake by:
#  Copyright (c) 2006, Jaroslaw Staniek, <js@iidea.pl>
#  Extended by Siddhartha Chaudhuri, 2008.
#
# Redistribution and use is allowed according to the terms of the BSD license.
#

SET(SEARCH_PATHS
	$ENV{ProgramFiles}/freeimage/include
	$ENV{SystemDrive}/freeimage/include
	$ENV{ProgramFiles}/freeimage
	$ENV{SystemDrive}/freeimage
	)
IF(FREEIMAGE_ROOT)
	SET(SEARCH_PATHS
		${FREEIMAGE_ROOT}
		${FREEIMAGE_ROOT}/include
		${SEARCH_PATHS}
		)
ENDIF()

FIND_PATH(FREEIMAGE_INCLUDE_DIRS
	NAMES FreeImage.h
	PATHS ${SEARCH_PATHS}
	NO_DEFAULT_PATH)
IF(NOT FREEIMAGE_INCLUDE_DIRS)  # now look in system locations
	FIND_PATH(FREEIMAGE_INCLUDE_DIRS NAMES FreeImage.h)
ENDIF(NOT FREEIMAGE_INCLUDE_DIRS)

IF(FREEIMAGE_ROOT)
	SET(FREEIMAGE_LIBRARY_DIRS ${FREEIMAGE_ROOT})
	IF(EXISTS "${FREEIMAGE_ROOT}/lib")
		SET(FREEIMAGE_LIBRARY_DIRS ${FREEIMAGE_LIBRARY_DIRS} ${FREEIMAGE_ROOT}/lib)
	ENDIF()
	IF(EXISTS "${FREEIMAGE_ROOT}/lib/static")
		SET(FREEIMAGE_LIBRARY_DIRS ${FREEIMAGE_LIBRARY_DIRS} ${FREEIMAGE_ROOT}/lib/static)
	ENDIF()
ENDIF()

# FREEIMAGE
# Without system dirs
FIND_LIBRARY(FREEIMAGE_LIBRARY
	NAMES freeimage
	PATHS ${FREEIMAGE_LIBRARY_DIRS}
	NO_DEFAULT_PATH
	)
IF(NOT FREEIMAGE_LIBRARY)  # now look in system locations
	FIND_LIBRARY(FREEIMAGE_LIBRARY NAMES freeimage)
ENDIF(NOT FREEIMAGE_LIBRARY)

if (WIN32 AND FREEIMAGE_LIBRARY)
	find_file(FREEIMAGE_RUNTIME_LIBRARY
		NAMES
		FreeImage.dll
		PATHS ${FREEIMAGE_LIBRARY_DIRS}
	)
endif (WIN32 AND FREEIMAGE_LIBRARY)

# Handle QUIET & REQUIRED flags. Set FreeImage_FOUND properly:
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(FreeImage
	DEFAULT_MSG
	FREEIMAGE_LIBRARY
	FREEIMAGE_INCLUDE_DIRS)

if (FreeImage_FOUND)
	if (NOT TARGET FreeImage::freeimage)
		add_library(FreeImage::freeimage SHARED IMPORTED)
		if (WIN32)
			set_target_properties(FreeImage::freeimage
				PROPERTIES
				IMPORTED_IMPLIB "${FREEIMAGE_LIBRARY}"
				IMPORTED_LOCATION "${FREEIMAGE_RUNTIME_LIBRARY}"
			)
		else (WIN32)
			set_target_properties(FreeImage::freeimage
				PROPERTIES
				IMPORTED_LOCATION "${FREEIMAGE_LIBRARY}"
			)
		endif (WIN32)
		set_target_properties(FreeImage::freeimage
			PROPERTIES
			INTERFACE_INCLUDE_DIRECTORIES "${FREEIMAGE_INCLUDE_DIRS}"
		)
	endif (NOT TARGET FreeImage::freeimage)
endif (FreeImage_FOUND)

MARK_AS_ADVANCED(FREEIMAGE_INCLUDE_DIRS FREEIMAGE_LIBRARY)