set(CURRENT_INSTALLED_DIR ${CMAKE_PREFIX_PATH})

# Add include directories
include_directories("." "./win32" "${CURRENT_INSTALLED_DIR}/include")

file(GLOB SOURCES
"cairo-analysis-surface.c"
"cairo-arc.c"
"cairo-array.c"
"cairo-atomic.c"
"cairo-base64-stream.c"
"cairo-base85-stream.c"
"cairo-bentley-ottmann.c"
"cairo-bentley-ottmann-rectangular.c"
"cairo-bentley-ottmann-rectilinear.c"
"cairo-botor-scan-converter.c"
"cairo-boxes.c"
"cairo-boxes-intersect.c"
"cairo.c"
"cairo-cache.c"
"cairo-clip.c"
"cairo-clip-boxes.c"
"cairo-clip-polygon.c"
"cairo-clip-region.c"
"cairo-clip-surface.c"
"cairo-color.c"
"cairo-composite-rectangles.c"
"cairo-compositor.c"
"cairo-contour.c"
"cairo-damage.c"
"cairo-debug.c"
"cairo-default-context.c"
"cairo-device.c"
"cairo-error.c"
"cairo-fallback-compositor.c"
"cairo-fixed.c"
"cairo-font-face.c"
"cairo-font-face-twin.c"
"cairo-font-face-twin-data.c"
"cairo-font-options.c"
"cairo-freelist.c"
"cairo-freed-pool.c"
"cairo-gstate.c"
"cairo-hash.c"
"cairo-hull.c"
"cairo-image-compositor.c"
"cairo-image-info.c"
"cairo-image-source.c"
"cairo-image-surface.c"
"cairo-line.c"
"cairo-lzw.c"
"cairo-matrix.c"
"cairo-mask-compositor.c"
"cairo-mesh-pattern-rasterizer.c"
"cairo-mempool.c"
"cairo-misc.c"
"cairo-mono-scan-converter.c"
"cairo-mutex.c"
"cairo-no-compositor.c"
"cairo-observer.c"
"cairo-output-stream.c"
"cairo-paginated-surface.c"
"cairo-path-bounds.c"
"cairo-path.c"
"cairo-path-fill.c"
"cairo-path-fixed.c"
"cairo-path-in-fill.c"
"cairo-path-stroke.c"
"cairo-path-stroke-boxes.c"
"cairo-path-stroke-polygon.c"
"cairo-path-stroke-traps.c"
"cairo-path-stroke-tristrip.c"
"cairo-pattern.c"
"cairo-pen.c"
"cairo-polygon.c"
"cairo-polygon-intersect.c"
"cairo-polygon-reduce.c"
"cairo-raster-source-pattern.c"
"cairo-recording-surface.c"
"cairo-rectangle.c"
"cairo-rectangular-scan-converter.c"
"cairo-region.c"
"cairo-rtree.c"
"cairo-scaled-font.c"
"cairo-shape-mask-compositor.c"
"cairo-slope.c"
"cairo-spans.c"
"cairo-spans-compositor.c"
"cairo-spline.c"
"cairo-stroke-dash.c"
"cairo-stroke-style.c"
"cairo-surface.c"
"cairo-surface-clipper.c"
"cairo-surface-fallback.c"
"cairo-surface-observer.c"
"cairo-surface-offset.c"
"cairo-surface-snapshot.c"
"cairo-surface-subsurface.c"
"cairo-surface-wrapper.c"
"cairo-time.c"
"cairo-tor-scan-converter.c"
"cairo-tor22-scan-converter.c"
"cairo-clip-tor-scan-converter.c"
"cairo-tag-attributes.c"
"cairo-tag-stack.c"
"cairo-toy-font-face.c"
"cairo-traps.c"
"cairo-tristrip.c"
"cairo-traps-compositor.c"
"cairo-unicode.c"
"cairo-user-font.c"
"cairo-version.c"
"cairo-wideint.c"
# win32
"win32/cairo-win32-debug.c"
"win32/cairo-win32-device.c"
"win32/cairo-win32-gdi-compositor.c"
"win32/cairo-win32-system.c"
"win32/cairo-win32-surface.c"
"win32/cairo-win32-display-surface.c"
"win32/cairo-win32-printing-surface.c"
"win32/cairo-win32-font.c"
# generic font support
"cairo-cff-subset.c"
"cairo-scaled-font-subsets.c"
"cairo-truetype-subset.c"
"cairo-type1-fallback.c"
"cairo-type1-glyph-names.c"
"cairo-type1-subset.c"
"cairo-type3-glyph-surface.c"
# pdf
"cairo-pdf-interchange.c"
"cairo-pdf-operators.c"
"cairo-pdf-shading.c"
"cairo-pdf-surface.c"
# png
"cairo-png.c"
# ps surface
"cairo-ps-surface.c"
# deflate source
"cairo-deflate-stream.c"
# svg surface
"cairo-svg-surface.c"
# script surface
"cairo-script-surface.c"
# fontconfig + freetype
"cairo-ft-font.c"
)

set(CMAKE_DEBUG_POSTFIX "d")

if (${CMAKE_BUILD_TYPE} STREQUAL "Debug")
  # Make the zlib library available
  find_library(ZLIB_DEBUG_IMPLIB NAMES zlibd)
  if (ZLIB_DEBUG_IMPLIB STREQUAL ZLIB_DEBUG_IMPLIB-NOTFOUND)
    message(FATAL_ERROR "The zlibd.lib import library could not be found. Check to ensure that zlib is properly installed.")
  endif()
  add_library(zlib UNKNOWN IMPORTED)
  set_property(TARGET zlib PROPERTY IMPORTED_LOCATION "${ZLIB_DEBUG_IMPLIB}")

  # Make the libpng library available
  find_library(LIBPNG_DEBUG_IMPLIB NAMES libpng16d)
  if (LIBPNG_DEBUG_IMPLIB STREQUAL LIBPNG_DEBUG_IMPLIB-NOTFOUND)
    message(FATAL_ERROR "The libpng16d.lib import library could not be found. Check to ensure that libpng is properly installed.")
  endif()
  add_library(libpng UNKNOWN IMPORTED)
  set_property(TARGET libpng PROPERTY IMPORTED_LOCATION "${LIBPNG_DEBUG_IMPLIB}")

  # Make the pixman library available
  find_library(PIXMAN_DEBUG_IMPLIB NAMES pixman-1d)
  if (PIXMAN_DEBUG_IMPLIB STREQUAL PIXMAN_DEBUG_IMPLIB-NOTFOUND)
    message(FATAL_ERROR "The pixman-1d.lib import library could not be found. Check to ensure that pixman is properly installed.")
  endif()
  add_library(pixman UNKNOWN IMPORTED)
  set_property(TARGET pixman PROPERTY IMPORTED_LOCATION "${PIXMAN_DEBUG_IMPLIB}")

elseif (${CMAKE_BUILD_TYPE} STREQUAL "Release")
  # Make the zlib library available
  find_library(ZLIB_RELEASE_IMPLIB NAMES zlib)
  if (ZLIB_RELEASE_IMPLIB STREQUAL ZLIB_RELEASE_IMPLIB-NOTFOUND)
    message(FATAL_ERROR "The zlib.lib import library could not be found. Check to ensure that zlib is properly installed.")
  endif()
  add_library(zlib UNKNOWN IMPORTED)
  set_property(TARGET zlib PROPERTY IMPORTED_LOCATION "${ZLIB_RELEASE_IMPLIB}")

  # Make the libpng library available
  find_library(LIBPNG_RELEASE_IMPLIB NAMES libpng16)
  if (LIBPNG_RELEASE_IMPLIB STREQUAL LIBPNG_RELEASE_IMPLIB-NOTFOUND)
    message(FATAL_ERROR "The libpng16.lib import library could not be found. Check to ensure that libpng is properly installed.")
  endif()
  add_library(libpng UNKNOWN IMPORTED)
  set_property(TARGET libpng PROPERTY IMPORTED_LOCATION "${LIBPNG_RELEASE_IMPLIB}")

  # Make the pixman library available
  find_library(PIXMAN_RELEASE_IMPLIB NAMES pixman-1)
  if (PIXMAN_RELEASE_IMPLIB STREQUAL PIXMAN_RELEASE_IMPLIB-NOTFOUND)
    message(FATAL_ERROR "The pixman-1.lib import library could not be found. Check to ensure that pixman is properly installed.")
  endif()
  add_library(pixman UNKNOWN IMPORTED)
  set_property(TARGET pixman PROPERTY IMPORTED_LOCATION "${PIXMAN_RELEASE_IMPLIB}")

else()
    message(FATAL_ERROR "Unexpected value '${CMAKE_BUILD_TYPE}' for CMAKE_BUILD_TYPE.")
endif()

# Make the gdi32 library available
find_library(GDI32_LIBRARY NAMES gdi32)
if (GDI32_LIBRARY STREQUAL GDI32_LIBRARY-NOTFOUND)
  message(FATAL_ERROR "The gdi32.lib import library could not be found. Check to ensure that the Windows SDK is installed.")
endif()
add_library(gdi32 UNKNOWN IMPORTED)
set_property(TARGET gdi32 PROPERTY IMPORTED_LOCATION "${GDI32_LIBRARY}")

# Make the msimg32 library available
find_library(MSIMG32_LIBRARY NAMES msimg32)
if (MSIMG32_LIBRARY STREQUAL MSIMG32_LIBRARY-NOTFOUND)
  message(FATAL_ERROR "The msimg32.lib import library could not be found. Check to ensure that the Windows SDK is installed.")
endif()
add_library(msimg32 UNKNOWN IMPORTED)
set_property(TARGET msimg32 PROPERTY IMPORTED_LOCATION "${MSIMG32_LIBRARY}")

# Make the user32 library available
find_library(USER32_LIBRARY NAMES user32)
if (USER32_LIBRARY STREQUAL USER32_LIBRARY-NOTFOUND)
  message(FATAL_ERROR "The user32.lib import library could not be found. Check to ensure that the Windows SDK is installed.")
endif()
add_library(user32 UNKNOWN IMPORTED)
set_property(TARGET user32 PROPERTY IMPORTED_LOCATION "${USER32_LIBRARY}")

# Find dependencies of optional modules

# Find FreeType
if(CMAKE_BUILD_TYPE STREQUAL Debug)
    set(FREETYPE_SUFFIX d)
endif()
find_library(FREETYPE_LIBRARY freetype${FREETYPE_SUFFIX})
if (FREETYPE_LIBRARY MATCHES NOTFOUND)
  message(FATAL_ERROR "The freetype library could not be found. Check to ensure that it is properly installed.")
endif()

# Cairo needs to be told which features of FreeType are availible
add_definitions(
    -DHAVE_FT_GLYPHSLOT_EMBOLDEN=1
    -DHAVE_FT_LIBRARY_SETLCDFILTER=1
    -DHAVE_FT_GLYPHSLOT_OBLIQUE=1
    -DHAVE_FT_LOAD_SFNT_TABLE=1
    -DHAVE_FT_GET_X11_FONT_FORMAT=1)

# Find FontConfig
find_library(FONTCONFIG_LIBRARY fontconfig)
if (FONTCONFIG_LIBRARY MATCHES NOTFOUND)
  message(FATAL_ERROR "The fontconfig library could not be found. Check to ensure that it is properly installed.")
endif()

if (VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
  add_library(cairo ${SOURCES})
  # cairo produces a lot of warnings which are disabled here because they otherwise fill up the log files
  target_compile_options(cairo PUBLIC "/wd4244" PUBLIC "/wd4146" PUBLIC "/wd4312" PUBLIC "/wd4267" PUBLIC "/wd4996" PUBLIC "/wd4311" PUBLIC "/wd4334" PUBLIC "/wd4101")
  target_link_libraries(cairo gdi32 msimg32 user32 zlib libpng pixman ${FREETYPE_LIBRARY} ${FONTCONFIG_LIBRARY})

  install(TARGETS cairo
    RUNTIME DESTINATION bin
    LIBRARY DESTINATION bin
    ARCHIVE DESTINATION lib
  )
elseif (VCPKG_LIBRARY_LINKAGE STREQUAL static)
  add_library(cairo-static ${SOURCES})
  target_compile_options(cairo-static PUBLIC "/DCAIRO_WIN32_STATIC_BUILD=1")
  # cairo produces a lot of warnings which are disabled here because they otherwise fill up the log files
  target_compile_options(cairo-static PUBLIC "/wd4244" PUBLIC "/wd4146" PUBLIC "/wd4312" PUBLIC "/wd4267" PUBLIC "/wd4996" PUBLIC "/wd4311" PUBLIC "/wd4334" PUBLIC "/wd4101")
  target_link_libraries(cairo-static gdi32 msimg32 user32 zlib libpng pixman ${FREETYPE_LIBRARY} ${FONTCONFIG_LIBRARY})

  install(TARGETS cairo-static
    RUNTIME DESTINATION bin
    LIBRARY DESTINATION lib
    ARCHIVE DESTINATION lib
  )
else()
  message(FATAL_ERROR "VCPKG_LIBRARY_LINKAGE is not defined or has an unexpected value")
endif()

# GObject support module

set(CAIRO_GOBJECT_SOURCES
    "../util/cairo-gobject/cairo-gobject-enums.c"
    "../util/cairo-gobject/cairo-gobject-structs.c")

# GObject support sources do not include header with export macro
if(BUILD_SHARED_LIBS)
    set_source_files_properties(
        "../util/cairo-gobject/cairo-gobject-enums.c"
        "../util/cairo-gobject/cairo-gobject-structs.c"
        PROPERTIES COMPILE_DEFINITIONS cairo_public=__declspec\(dllexport\))
endif()

# Make GLib's GObject available
find_library(GLIB_LIBRARY NAMES glib-2.0)
find_library(GOBJECT_LIBRARY NAMES gobject-2.0)
set(GLIB_LIBRARIES ${GLIB_LIBRARY} ${GOBJECT_LIBRARY})
if (GLIB_LIBRARIES MATCHES NOTFOUND)
  message(FATAL_ERROR "The glib library could not be found. Check to ensure that it is properly installed.")
endif()

add_library(cairo-gobject ${CAIRO_GOBJECT_SOURCES})
if(BUILD_SHARED_LIBS)   
    target_link_libraries(cairo-gobject cairo ${GLIB_LIBRARIES})
else()
    target_link_libraries(cairo-gobject cairo-static ${GLIB_LIBRARIES})
endif()
install(TARGETS cairo-gobject
    RUNTIME DESTINATION bin
    LIBRARY DESTINATION lib
    ARCHIVE DESTINATION lib)