# Copyright (C) 2007-2009 LuaDist.
# Created by Peter Kapec
# Redistribution and use of this file is allowed according to the terms of the MIT license.
# For details see the COPYRIGHT file distributed with LuaDist.
# Please note that the package source code is licensed under its own license.

PROJECT(imlua C)

# CMake configuration:
CMAKE_MINIMUM_REQUIRED (VERSION 2.6)
SET(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)

# Where to install module parts:
SET (INSTALL_CMOD share/lua/cmod CACHE PATH "Directory to install Lua binary modules.")
SET (INSTALL_LIB lib CACHE PATH "Directory for external libraries.")

# Macros
	MACRO(ADD_PREFIX prefix rootlist)
		SET(outlist )
		FOREACH(root ${${rootlist}})
			LIST(APPEND outlist ${prefix}${root})
		ENDFOREACH(root)
		SET(${rootlist} ${outlist})
	ENDMACRO(ADD_PREFIX)

# find headers & libs
	FIND_PACKAGE(Lua51 REQUIRED)
	INCLUDE_DIRECTORIES (${LUA_INCLUDE_DIR})

	FIND_PATH( IM_INCLUDE_DIR NAMES im.h )
	INCLUDE_DIRECTORIES (${IM_INCLUDE_DIR})

	FIND_LIBRARY( IM_LIBRARY NAMES im)
	FIND_LIBRARY( IM_LIBRARY_PROCESS NAMES im_process)
	FIND_LIBRARY( IM_LIBRARY_FFTW NAMES im_fftw)

	FIND_LIBRARY( IM_LIBRARY_AVI NAMES im_avi)
	FIND_LIBRARY( IM_LIBRARY_CAPTURE NAMES im_capture)
	FIND_LIBRARY( IM_LIBRARY_WMV NAMES im_wmv)
	FIND_LIBRARY( IM_LIBRARY_JP2 NAMES im_jp2)

# imlua
	INCLUDE_DIRECTORIES (include src/lua5)

	SET(SRC_IMLUALIB lua5/imlua.c lua5/imlua_aux.c lua5/imlua_convert.c lua5/imlua_file.c lua5/imlua_image.c lua5/imlua_palette.c lua5/imlua_util.c)
	ADD_PREFIX(src/ SRC_IMLUALIB)

	ADD_LIBRARY(imlua SHARED ${SRC_IMLUALIB})
	TARGET_LINK_LIBRARIES(imlua ${LUA_LIBRARY} ${IM_LIBRARY})

	IF(MSVC)
		SET_TARGET_PROPERTIES(imlua PROPERTIES OUTPUT_NAME libimlua CLEAN_DIRECT_OUTPUT 1 LINK_FLAGS "/DEF:${CMAKE_CURRENT_SOURCE_DIR}/src/lua5/imlua.def")
	ENDIF(MSVC)

# imlua module
	ADD_LIBRARY(imlua_module MODULE src/lua5/imlua_module.c)
	TARGET_LINK_LIBRARIES(imlua_module imlua )
	SET_TARGET_PROPERTIES(imlua_module PROPERTIES PREFIX "" OUTPUT_NAME imlua CLEAN_DIRECT_OUTPUT 1 )

	IF(MSVC)
		SET_TARGET_PROPERTIES(imlua_module PROPERTIES LINK_FLAGS "/DEF:${CMAKE_CURRENT_SOURCE_DIR}/src/lua5/imlua_module.def")
	ENDIF(MSVC)

# imlua_process5
	SET(SRC_IMLUA_PROCESS src/lua5/imlua_process.c src/lua5/imlua_kernel.c)

	ADD_LIBRARY(process MODULE ${SRC_IMLUA_PROCESS})
	TARGET_LINK_LIBRARIES(process imlua ${IM_LIBRARY_PROCESS})
	SET_TARGET_PROPERTIES(process PROPERTIES PREFIX "")

	IF(MSVC)
		SET_TARGET_PROPERTIES(process PROPERTIES LINK_FLAGS "/DEF:${CMAKE_CURRENT_SOURCE_DIR}/src/lua5/imlua_process.def")
	ENDIF(MSVC)

# imlua_fftw5
	ADD_LIBRARY(fftw MODULE src/lua5/imlua_fftw.c)
	TARGET_LINK_LIBRARIES(fftw imlua ${IM_LIBRARY_FFTW})
	SET_TARGET_PROPERTIES(fftw PROPERTIES PREFIX "")

	IF(MSVC)
		SET_TARGET_PROPERTIES(fftw PROPERTIES LINK_FLAGS "/DEF:${CMAKE_CURRENT_SOURCE_DIR}/src/lua5/imlua_fftw.def")
	ENDIF(MSVC)

# imlua_avi
	IF(IM_LIBRARY_AVI)
		SET(SRC_IMLUA_AVI src/lua5/imlua_avi.c)

		ADD_LIBRARY(avi MODULE ${SRC_IMLUA_AVI})
		TARGET_LINK_LIBRARIES(avi imlua ${IM_LIBRARY_AVI})
		SET_TARGET_PROPERTIES(avi PROPERTIES PREFIX "")

		IF(MSVC)
			SET_TARGET_PROPERTIES(avi PROPERTIES LINK_FLAGS "/DEF:${CMAKE_CURRENT_SOURCE_DIR}/src/lua5/imlua_avi.def")
		ENDIF(MSVC)

		INSTALL(TARGETS avi DESTINATION ${INSTALL_CMOD}/imlua)
	ENDIF()


# imlua_capture
	IF(IM_LIBRARY_CAPTURE)
		SET(SRC_IMLUA_CAPTURE src/lua5/imlua_capture.c)

		ADD_LIBRARY(capture MODULE ${SRC_IMLUA_CAPTURE})
		TARGET_LINK_LIBRARIES(capture imlua ${IM_LIBRARY_CAPTURE})
		SET_TARGET_PROPERTIES(capture PROPERTIES PREFIX "")

		IF(MSVC)
			SET_TARGET_PROPERTIES(capture PROPERTIES LINK_FLAGS "/DEF:${CMAKE_CURRENT_SOURCE_DIR}/src/lua5/imlua_capture.def")
		ENDIF(MSVC)

		INSTALL(TARGETS capture DESTINATION ${INSTALL_CMOD}/imlua)
	ENDIF()

# imlua_wmv
	IF(IM_LIBRARY_WMV)
		SET(SRC_IMLUA_WMV src/lua5/imlua_wmv.c)

		ADD_LIBRARY(wmv MODULE ${SRC_IMLUA_WMV})
		TARGET_LINK_LIBRARIES(wmv imlua ${LUA_LIBRARY} ${IM_LIBRARY} ${IM_LIBRARY_WMV})
		SET_TARGET_PROPERTIES(wmv PROPERTIES PREFIX "")

		IF(MSVC)
			SET_TARGET_PROPERTIES(wmv PROPERTIES LINK_FLAGS "/DEF:${CMAKE_CURRENT_SOURCE_DIR}/src/lua5/imlua_wmv.def")
		ENDIF(MSVC)

		INSTALL(TARGETS wmv DESTINATION ${INSTALL_CMOD}/imlua)
	ENDIF()

# imlua_jp2
	SET(SRC_IMLUA_JP2 src/lua5/imlua_jp2.c)

	ADD_LIBRARY(jp2 MODULE ${SRC_IMLUA_JP2})
	TARGET_LINK_LIBRARIES(jp2 imlua  ${IM_LIBRARY_JP2})
	SET_TARGET_PROPERTIES(jp2 PROPERTIES PREFIX "")

	IF(MSVC)
		SET_TARGET_PROPERTIES(jp2 PROPERTIES LINK_FLAGS "/DEF:${CMAKE_CURRENT_SOURCE_DIR}/src/lua5/imlua_jp2.def")
	ENDIF(MSVC)

# install all Lua modules
	INSTALL(TARGETS imlua DESTINATION ${INSTALL_LIB})
	INSTALL(TARGETS imlua_module DESTINATION ${INSTALL_CMOD})
	INSTALL(TARGETS process fftw jp2 DESTINATION ${INSTALL_CMOD}/imlua)