# FasTC
# Copyright (c) 2012 University of North Carolina at Chapel Hill. All rights reserved.
#
# Permission to use, copy, modify, and distribute this software and its documentation for educational, 
# research, and non-profit purposes, without fee, and without a written agreement is hereby granted, 
# provided that the above copyright notice, this paragraph, and the following four paragraphs appear 
# in all copies.
#
# Permission to incorporate this software into commercial products may be obtained by contacting the 
# authors or the Office of Technology Development at the University of North Carolina at Chapel Hill <otd@unc.edu>.
#
# This software program and documentation are copyrighted by the University of North Carolina at Chapel Hill. 
# The software program and documentation are supplied "as is," without any accompanying services from the 
# University of North Carolina at Chapel Hill or the authors. The University of North Carolina at Chapel Hill 
# and the authors do not warrant that the operation of the program will be uninterrupted or error-free. The 
# end-user understands that the program was developed for research purposes and is advised not to rely 
# exclusively on the program for any reason.
#
# IN NO EVENT SHALL THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE AUTHORS BE LIABLE TO ANY PARTY FOR 
# DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE 
# USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE 
# AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS SPECIFICALLY DISCLAIM ANY WARRANTIES, INCLUDING, 
# BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY 
# STATUTORY WARRANTY OF NON-INFRINGEMENT. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY 
# OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, 
# ENHANCEMENTS, OR MODIFICATIONS.
#
# Please send all BUG REPORTS to <pavel@cs.unc.edu>.
#
# The authors may be contacted via:
#
# Pavel Krajcevski
# Dept of Computer Science
# 201 S Columbia St
# Frederick P. Brooks, Jr. Computer Science Bldg
# Chapel Hill, NC 27599-3175
# USA
# 
# <http://gamma.cs.unc.edu/FasTC/>

SET( SOURCES
	"src/ImageWriter.cpp"
	"src/ImageLoader.cpp"
	"src/ImageFile.cpp"
)

SET( LIBRARY_HEADERS
	"include/FasTC/ImageFile.h"
	"include/FasTC/ImageFileFormat.h"
	"include/FasTC/FileStream.h"
)

SET( HEADERS
	"config/ImageWriter.h.in"
	"config/ImageLoader.h.in"
    ${LIBRARY_HEADERS}
)

IF( WIN32 )
	SET( SOURCES ${SOURCES} "src/FileStreamWin32.cpp" )
ELSE()
	SET( SOURCES ${SOURCES} "src/FileStreamUnix.cpp" )
	
	# Assume compiler is GCC
	SET( LINK_FLAGS -lrt ${LINK_FLAGS} )
ENDIF()

FIND_PACKAGE( PNG )
IF( PNG_FOUND )
	INCLUDE_DIRECTORIES( ${PNG_INCLUDE_DIR} )

	SET( SOURCES ${SOURCES} "src/ImageLoaderPNG.cpp" )
	SET( HEADERS ${HEADERS} "src/ImageLoaderPNG.h" )
	SET( SOURCES ${SOURCES} "src/ImageWriterPNG.cpp" )
	SET( HEADERS ${HEADERS} "src/ImageWriterPNG.h" )
ENDIF()

IF( PVRTEXLIB_FOUND )
  INCLUDE_DIRECTORIES( ${PVRTEXLIB_INCLUDE_DIRS} )
  SET( SOURCES ${SOURCES} "src/ImageLoaderPVR.cpp" )
  SET( HEADERS ${HEADERS} "src/ImageLoaderPVR.h" )
ENDIF( PVRTEXLIB_FOUND )

# Add third-party TGA library...
SET( SOURCES ${SOURCES} "third_party/tga/targa.c" )
SET( HEADERS ${HEADERS} "third_party/tga/targa.h" )
INCLUDE_DIRECTORIES( ${FasTC_SOURCE_DIR}/IO/third_party/tga )

# Add TGA loaders
SET( SOURCES ${SOURCES} "src/ImageLoaderTGA.cpp" )
SET( HEADERS ${HEADERS} "src/ImageLoaderTGA.h" )

# Add KTX loaders
SET( SOURCES ${SOURCES} "src/ImageLoaderKTX.cpp" )
SET( HEADERS ${HEADERS} "src/ImageLoaderKTX.h" )
SET( SOURCES ${SOURCES} "src/ImageWriterKTX.cpp" )
SET( HEADERS ${HEADERS} "src/ImageWriterKTX.h" )

# Add ASTC loader
# This supports the Mali ASTC evaluation codec.
SET( SOURCES ${SOURCES} "src/ImageLoaderASTC.cpp" )
SET( HEADERS ${HEADERS} "src/ImageLoaderASTC.h" )

FIND_PACKAGE( OpenGL )
IF(OPENGL_FOUND)
  INCLUDE_DIRECTORIES( ${OPENGL_INCLUDE_DIRS} )
ENDIF(OPENGL_FOUND)

CONFIGURE_FILE(
	"config/ImageLoader.h.in"
	"include/FasTC/ImageLoader.h"
)

CONFIGURE_FILE(
	"config/ImageWriter.h.in"
	"include/FasTC/ImageWriter.h"
)

INCLUDE_DIRECTORIES( ${FasTC_SOURCE_DIR}/Base/include)
INCLUDE_DIRECTORIES( ${FasTC_BINARY_DIR}/Base/include)
INCLUDE_DIRECTORIES( ${FasTC_SOURCE_DIR}/Core/include )
INCLUDE_DIRECTORIES( ${FasTC_BINARY_DIR}/Core/include )
INCLUDE_DIRECTORIES( ${FasTC_SOURCE_DIR}/IO/include )
INCLUDE_DIRECTORIES( ${FasTC_BINARY_DIR}/IO/include )

ADD_LIBRARY(FasTCIO ${SOURCES} ${HEADERS})

INSTALL(TARGETS FasTCIO EXPORT FasTCTargets ARCHIVE DESTINATION lib COMPONENT lib)
SET(EXPORT_HEADERS
  ${LIBRARY_HEADERS}
  "${FasTC_BINARY_DIR}/IO/include/FasTC/ImageWriter.h"
  "${FasTC_BINARY_DIR}/IO/include/FasTC/ImageLoader.h"
)
INSTALL(
  FILES ${EXPORT_HEADERS}
  DESTINATION ${INCLUDE_INSTALL_DIR}/FasTC COMPONENT dev)

TARGET_LINK_LIBRARIES( FasTCIO FasTCBase )
TARGET_LINK_LIBRARIES( FasTCIO FasTCCore )

IF( PNG_FOUND )
  TARGET_LINK_LIBRARIES( FasTCIO ${PNG_LIBRARY} )
  TARGET_LINK_LIBRARIES( FasTCIO ${ZLIB_LIBRARY} )
ENDIF()

IF( PVRTEXLIB_FOUND )
  TARGET_LINK_LIBRARIES( FasTCIO ${PVRTEXLIB_LIBRARIES} )
ENDIF()