#
# Setup
#

cmake_minimum_required(VERSION 2.6)

project(libjpeg-turbo)
set(VERSION 1.0.80)

if(UNIX OR MINGW OR CYGWIN)
  execute_process(COMMAND "date" "+%Y%m%d" OUTPUT_VARIABLE BUILD)
  string(REGEX REPLACE "\n" "" BUILD ${BUILD})
elseif(WIN32)
  execute_process(COMMAND "${CMAKE_SOURCE_DIR}/cmakescripts/getdate.bat"
    OUTPUT_VARIABLE BUILD)
  string(REGEX REPLACE "\n" "" BUILD ${BUILD})
else()
  message(FATAL_ERROR "date not implemented")
endif()

if(NOT CMAKE_BUILD_TYPE)
  set(CMAKE_BUILD_TYPE Release)
endif()

message(STATUS "CMAKE_BUILD_TYPE = ${CMAKE_BUILD_TYPE}")

# This only works if building from the command line.  There is currently no way
# to set a variable's value based on the build type when using the MSVC IDE.
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
  set(BUILD "${BUILD}d")
endif()

message(STATUS "VERSION = ${VERSION}, BUILD = ${BUILD}")

if(NOT DEFINED WITH_SIMD)
  set(WITH_SIMD 1)
endif()

set(JPEG_LIB_VERSION 62)
set(DLL_VERSION ${JPEG_LIB_VERSION})
set(FULLVERSION ${DLL_VERSION}.0.0)
if(WITH_JPEG8)
  set(JPEG_LIB_VERSION 80)
  set(DLL_VERSION 8)
  set(FULLVERSION ${DLL_VERSION}.0.2)
  message(STATUS "Emulating libjpeg v8b API/ABI")
elseif(WITH_JPEG7)
  set(JPEG_LIB_VERSION 70)
  set(DLL_VERSION 7)
  set(FULLVERSION ${DLL_VERSION}.0.0)
  message(STATUS "Emulating libjpeg v7 API/ABI")
endif(WITH_JPEG8)

if(MSVC)
  # Use the static C library for all build types
  foreach(var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
    CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
    CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
    CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
    if(${var} MATCHES "/MD")
      string(REGEX REPLACE "/MD" "/MT" ${var} "${${var}}")
    endif()
  endforeach()

  add_definitions(-W3 -wd4996)
endif()

# Detect whether compiler is 64-bit
if(MSVC AND CMAKE_CL_64)
  set(SIMD_X86_64 1)
  set(64BIT 1)
elseif(CMAKE_SIZEOF_VOID_P MATCHES 8)
  set(SIMD_X86_64 1)
  set(64BIT 1)
endif()

if(64BIT)
  message(STATUS "64-bit build")
else()
  message(STATUS "32-bit build")
endif()

configure_file(win/jconfig.h.in jconfig.h)
configure_file(win/config.h.in config.h)

include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR})


#
# Targets
#

set(JPEG_SOURCES jcapimin.c jcapistd.c jccoefct.c jccolor.c jcdctmgr.c jchuff.c
  jcinit.c jcmainct.c jcmarker.c jcmaster.c jcomapi.c jcparam.c jcphuff.c
  jcprepct.c jcsample.c jctrans.c jdapimin.c jdapistd.c jdatadst.c jdatasrc.c
  jdcoefct.c jdcolor.c jddctmgr.c jdhuff.c jdinput.c jdmainct.c jdmarker.c
  jdmaster.c jdmerge.c jdphuff.c jdpostct.c jdsample.c jdtrans.c jerror.c
  jfdctflt.c jfdctfst.c jfdctint.c jidctflt.c jidctfst.c jidctint.c jidctred.c
  jquant1.c jquant2.c jutils.c jmemmgr.c jmemnobs.c)

if(WITH_SIMD)
  add_definitions(-DWITH_SIMD)
  add_subdirectory(simd)
  if(SIMD_X86_64)
    set(JPEG_SOURCES ${JPEG_SOURCES} simd/jsimd_x86_64.c)
  else()
    set(JPEG_SOURCES ${JPEG_SOURCES} simd/jsimd_i386.c)
  endif()
  # This tells CMake that the "source" files haven't been generated yet
  set_source_files_properties(${SIMD_OBJS} PROPERTIES GENERATED 1)
else()
  set(JPEG_SOURCES ${JPEG_SOURCES} jsimd_none.c)
endif()

add_subdirectory(sharedlib)

add_library(jpeg-static STATIC ${JPEG_SOURCES} ${SIMD_OBJS})
add_dependencies(jpeg-static simd)
if(NOT MSVC)
  set_target_properties(jpeg-static PROPERTIES OUTPUT_NAME jpeg)
endif()
if(WITH_SIMD)
  add_dependencies(jpeg-static simd)
endif()

add_library(turbojpeg SHARED turbojpegl.c)
set_target_properties(turbojpeg PROPERTIES DEFINE_SYMBOL DLLDEFINE)
target_link_libraries(turbojpeg jpeg-static)
set_target_properties(turbojpeg PROPERTIES LINK_INTERFACE_LIBRARIES "")

add_library(turbojpeg-static STATIC ${JPEG_SOURCES} ${SIMD_OBJS}
  turbojpegl.c)
add_dependencies(turbojpeg-static simd)
if(NOT MSVC)
  set_target_properties(turbojpeg-static PROPERTIES OUTPUT_NAME turbojpeg)
endif()
if(WITH_SIMD)
  add_dependencies(turbojpeg-static simd)
endif()

add_executable(jpegut jpegut.c)
target_link_libraries(jpegut turbojpeg)

add_executable(jpegut-static jpegut.c)
target_link_libraries(jpegut-static turbojpeg-static)

add_executable(jpgtest jpgtest.cxx bmp.c)
target_link_libraries(jpgtest turbojpeg)

add_executable(jpgtest-static jpgtest.cxx bmp.c)
target_link_libraries(jpgtest-static turbojpeg-static)

add_executable(cjpeg-static cjpeg.c cdjpeg.c rdbmp.c rdgif.c rdppm.c rdswitch.c
  rdtarga.c)
set_property(TARGET cjpeg-static PROPERTY COMPILE_FLAGS
  "-DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED -DTARGA_SUPPORTED")
target_link_libraries(cjpeg-static jpeg-static)

add_executable(djpeg-static djpeg.c cdjpeg.c rdcolmap.c rdswitch.c wrbmp.c wrgif.c
  wrppm.c wrtarga.c)
set_property(TARGET djpeg-static PROPERTY COMPILE_FLAGS
  "-DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED -DTARGA_SUPPORTED")
target_link_libraries(djpeg-static jpeg-static)

add_executable(jpegtran-static jpegtran.c cdjpeg.c rdswitch.c transupp.c)
target_link_libraries(jpegtran-static jpeg-static)

add_executable(rdjpgcom rdjpgcom.c)

add_executable(wrjpgcom rdjpgcom.c)


#
# Tests
#

enable_testing()
add_test(jpegut jpegut)
add_test(cjpeg-int sharedlib/cjpeg -dct int -outfile testoutint.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
add_test(cjpeg-int-cmp cmp ${CMAKE_SOURCE_DIR}/testimgint.jpg testoutint.jpg)
add_test(cjpeg-fast sharedlib/cjpeg -dct fast -opt -outfile testoutfst.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
add_test(cjpeg-fast-cmp cmp ${CMAKE_SOURCE_DIR}/testimgfst.jpg testoutfst.jpg)
add_test(cjpeg-float sharedlib/cjpeg -dct float -outfile testoutflt.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
if(WITH_SIMD)
add_test(cjpeg-float-cmp cmp ${CMAKE_SOURCE_DIR}/testimgflt.jpg testoutflt.jpg)
else()
add_test(cjpeg-float-cmp cmp ${CMAKE_SOURCE_DIR}/testimgflt-nosimd.jpg testoutflt.jpg)
endif()
add_test(djpeg-int sharedlib/djpeg -dct int -fast -ppm -outfile testoutint.ppm ${CMAKE_SOURCE_DIR}/testorig.jpg)
add_test(djpeg-int-cmp cmp ${CMAKE_SOURCE_DIR}/testimgint.ppm testoutint.ppm)
add_test(djpeg-fast sharedlib/djpeg -dct fast -ppm -outfile testoutfst.ppm ${CMAKE_SOURCE_DIR}/testorig.jpg)
add_test(djpeg-fast-cmp cmp ${CMAKE_SOURCE_DIR}/testimgfst.ppm testoutfst.ppm)
add_test(djpeg-float sharedlib/djpeg -dct float -ppm -outfile testoutflt.ppm ${CMAKE_SOURCE_DIR}/testorig.jpg)
if(WITH_SIMD)
add_test(djpeg-float-cmp cmp ${CMAKE_SOURCE_DIR}/testimgflt.ppm testoutflt.ppm)
else()
add_test(djpeg-float-cmp cmp ${CMAKE_SOURCE_DIR}/testorig.ppm testoutflt.ppm)
endif()
add_test(djpeg-256 sharedlib/djpeg -dct int -bmp -colors 256 -outfile testout.bmp  ${CMAKE_SOURCE_DIR}/testorig.jpg)
add_test(djpeg-256-cmp cmp ${CMAKE_SOURCE_DIR}/testimg.bmp testout.bmp)
add_test(cjpeg-prog sharedlib/cjpeg -dct int -progressive -outfile testoutp.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
add_test(cjpeg-prog-cmp cmp ${CMAKE_SOURCE_DIR}/testimgp.jpg testoutp.jpg)
add_test(jpegtran-prog sharedlib/jpegtran -outfile testoutt.jpg testoutp.jpg)
add_test(jpegtran-prog-cmp cmp ${CMAKE_SOURCE_DIR}/testimgint.jpg testoutt.jpg)
add_test(jpegtran-crop sharedlib/jpegtran -crop 120x90+20+50 -transpose -perfect -outfile testoutcrop.jpg ${CMAKE_SOURCE_DIR}/testorig.jpg)
add_test(jpegtran-crop-cmp cmp ${CMAKE_SOURCE_DIR}/testimgcrop.jpg testoutcrop.jpg)

add_test(jpegut-static jpegut-static)
add_test(cjpeg-static-int cjpeg-static -dct int -outfile testoutint.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
add_test(cjpeg-static-int-cmp cmp ${CMAKE_SOURCE_DIR}/testimgint.jpg testoutint.jpg)
add_test(cjpeg-static-fast cjpeg-static -dct fast -opt -outfile testoutfst.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
add_test(cjpeg-static-fast-cmp cmp ${CMAKE_SOURCE_DIR}/testimgfst.jpg testoutfst.jpg)
add_test(cjpeg-static-float cjpeg-static -dct float -outfile testoutflt.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
if(WITH_SIMD)
add_test(cjpeg-static-float-cmp cmp ${CMAKE_SOURCE_DIR}/testimgflt.jpg testoutflt.jpg)
else()
add_test(cjpeg-static-float-cmp cmp ${CMAKE_SOURCE_DIR}/testimgflt-nosimd.jpg testoutflt.jpg)
endif()
add_test(djpeg-static-int djpeg-static -dct int -fast -ppm -outfile testoutint.ppm ${CMAKE_SOURCE_DIR}/testorig.jpg)
add_test(djpeg-static-int-cmp cmp ${CMAKE_SOURCE_DIR}/testimgint.ppm testoutint.ppm)
add_test(djpeg-static-fast djpeg-static -dct fast -ppm -outfile testoutfst.ppm ${CMAKE_SOURCE_DIR}/testorig.jpg)
add_test(djpeg-static-fast-cmp cmp ${CMAKE_SOURCE_DIR}/testimgfst.ppm testoutfst.ppm)
add_test(djpeg-static-float djpeg-static -dct float -ppm -outfile testoutflt.ppm ${CMAKE_SOURCE_DIR}/testorig.jpg)
if(WITH_SIMD)
add_test(djpeg-static-float-cmp cmp ${CMAKE_SOURCE_DIR}/testimgflt.ppm testoutflt.ppm)
else()
add_test(djpeg-static-float-cmp cmp ${CMAKE_SOURCE_DIR}/testorig.ppm testoutflt.ppm)
endif()
add_test(djpeg-static-256 djpeg-static -dct int -bmp -colors 256 -outfile testout.bmp  ${CMAKE_SOURCE_DIR}/testorig.jpg)
add_test(djpeg-static-256-cmp cmp ${CMAKE_SOURCE_DIR}/testimg.bmp testout.bmp)
add_test(cjpeg-static-prog cjpeg-static -dct int -progressive -outfile testoutp.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
add_test(cjpeg-static-prog-cmp cmp ${CMAKE_SOURCE_DIR}/testimgp.jpg testoutp.jpg)
add_test(jpegtran-static-prog jpegtran-static -outfile testoutt.jpg testoutp.jpg)
add_test(jpegtran-static-prog-cmp cmp ${CMAKE_SOURCE_DIR}/testimgint.jpg testoutt.jpg)
add_test(jpegtran-static-crop jpegtran-static -crop 120x90+20+50 -transpose -perfect -outfile testoutcrop.jpg ${CMAKE_SOURCE_DIR}/testorig.jpg)
add_test(jpegtran-static-crop-cmp cmp ${CMAKE_SOURCE_DIR}/testimgcrop.jpg testoutcrop.jpg)