# Copyright 2014 The PDFium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/config/arm.gni")
import("//build/config/linux/pkg_config.gni")
import("//build/config/mips.gni")
import("//build_overrides/build.gni")
import("../pdfium.gni")

group("third_party") {
  deps = [
    ":pdfium_base",
    ":skia_shared",
  ]
  if (pdf_bundle_freetype) {
    deps += [ ":fx_freetype" ]
  }
}

config("pdfium_third_party_config") {
  configs = [
    "..:pdfium_common_config",
    "..:pdfium_public_config",
  ]
}

if (pdf_enable_xfa) {
  source_set("bigint") {
    configs -= [ "//build/config/compiler:chromium_code" ]
    configs += [
      "//build/config/compiler:no_chromium_code",
      ":pdfium_third_party_config",
    ]
    sources = [
      "bigint/BigInteger.cc",
      "bigint/BigInteger.hh",
      "bigint/BigIntegerLibrary.hh",
      "bigint/BigIntegerUtils.cc",
      "bigint/BigIntegerUtils.hh",
      "bigint/BigUnsigned.cc",
      "bigint/BigUnsigned.hh",
      "bigint/BigUnsignedInABase.cc",
      "bigint/BigUnsignedInABase.hh",
      "bigint/NumberlikeArray.hh",
    ]
  }
}

if (pdf_bundle_freetype) {
  config("freetype_public_includes_config") {
    # The relative freetype/include path points to PDFium's custom config.
    # The absolute path points to whatever copy of FreeType is in
    # //third_party/freetype.
    include_dirs = [
      "freetype/include",
      "//third_party/freetype/src/include",
    ]
    defines = [
      # GN currently does not escape '<' and '>' when generating xml based
      # Visual Studio project files. As a result, use quotes instead of pointy
      # brackets in these defines.
      "FT_CONFIG_MODULES_H=\"freetype-custom-config/ftmodule.h\"",
      "FT_CONFIG_OPTIONS_H=\"freetype-custom-config/ftoption.h\"",
    ]
  }

  config("freetype_private_config") {
    if (is_clang) {
      # Multiple functions in freetype/src/src/truetype/ttobjs.h are unused.
      cflags = [ "-Wno-unused-function" ]
    }
  }

  # Tests may link against this even if the production library doesn't,
  # so it needs to be separate from it.
  source_set("fx_freetype") {
    configs -= [ "//build/config/compiler:chromium_code" ]
    configs += [
      "//build/config/compiler:no_chromium_code",
      ":freetype_private_config",
      ":pdfium_third_party_config",
    ]

    public_configs = [ ":freetype_public_includes_config" ]

    defines = [ "FT2_BUILD_LIBRARY" ]
    sources = [
      "//third_party/freetype/include/pstables.h",
      "//third_party/freetype/src/include/freetype/config/ftconfig.h",
      "//third_party/freetype/src/include/freetype/config/ftheader.h",
      "//third_party/freetype/src/include/freetype/config/ftmodule.h",
      "//third_party/freetype/src/include/freetype/config/ftoption.h",
      "//third_party/freetype/src/include/freetype/config/ftstdlib.h",
      "//third_party/freetype/src/include/freetype/freetype.h",
      "//third_party/freetype/src/include/freetype/ftadvanc.h",
      "//third_party/freetype/src/include/freetype/ftbbox.h",
      "//third_party/freetype/src/include/freetype/ftbdf.h",
      "//third_party/freetype/src/include/freetype/ftbitmap.h",
      "//third_party/freetype/src/include/freetype/ftbzip2.h",
      "//third_party/freetype/src/include/freetype/ftcache.h",
      "//third_party/freetype/src/include/freetype/ftchapters.h",
      "//third_party/freetype/src/include/freetype/ftcid.h",
      "//third_party/freetype/src/include/freetype/ftcolor.h",
      "//third_party/freetype/src/include/freetype/ftdriver.h",
      "//third_party/freetype/src/include/freetype/fterrdef.h",
      "//third_party/freetype/src/include/freetype/fterrors.h",
      "//third_party/freetype/src/include/freetype/ftfntfmt.h",
      "//third_party/freetype/src/include/freetype/ftgasp.h",
      "//third_party/freetype/src/include/freetype/ftglyph.h",
      "//third_party/freetype/src/include/freetype/ftgxval.h",
      "//third_party/freetype/src/include/freetype/ftgzip.h",
      "//third_party/freetype/src/include/freetype/ftimage.h",
      "//third_party/freetype/src/include/freetype/ftincrem.h",
      "//third_party/freetype/src/include/freetype/ftlcdfil.h",
      "//third_party/freetype/src/include/freetype/ftlist.h",
      "//third_party/freetype/src/include/freetype/ftlzw.h",
      "//third_party/freetype/src/include/freetype/ftmac.h",
      "//third_party/freetype/src/include/freetype/ftmm.h",
      "//third_party/freetype/src/include/freetype/ftmodapi.h",
      "//third_party/freetype/src/include/freetype/ftmoderr.h",
      "//third_party/freetype/src/include/freetype/ftotval.h",
      "//third_party/freetype/src/include/freetype/ftoutln.h",
      "//third_party/freetype/src/include/freetype/ftparams.h",
      "//third_party/freetype/src/include/freetype/ftpfr.h",
      "//third_party/freetype/src/include/freetype/ftrender.h",
      "//third_party/freetype/src/include/freetype/ftsizes.h",
      "//third_party/freetype/src/include/freetype/ftsnames.h",
      "//third_party/freetype/src/include/freetype/ftstroke.h",
      "//third_party/freetype/src/include/freetype/ftsynth.h",
      "//third_party/freetype/src/include/freetype/ftsystem.h",
      "//third_party/freetype/src/include/freetype/fttrigon.h",
      "//third_party/freetype/src/include/freetype/fttypes.h",
      "//third_party/freetype/src/include/freetype/ftwinfnt.h",
      "//third_party/freetype/src/include/freetype/internal/autohint.h",
      "//third_party/freetype/src/include/freetype/internal/cffotypes.h",
      "//third_party/freetype/src/include/freetype/internal/cfftypes.h",
      "//third_party/freetype/src/include/freetype/internal/ftcalc.h",
      "//third_party/freetype/src/include/freetype/internal/ftdebug.h",
      "//third_party/freetype/src/include/freetype/internal/ftdrv.h",
      "//third_party/freetype/src/include/freetype/internal/ftgloadr.h",
      "//third_party/freetype/src/include/freetype/internal/fthash.h",
      "//third_party/freetype/src/include/freetype/internal/ftmemory.h",
      "//third_party/freetype/src/include/freetype/internal/ftobjs.h",
      "//third_party/freetype/src/include/freetype/internal/ftpsprop.h",
      "//third_party/freetype/src/include/freetype/internal/ftrfork.h",
      "//third_party/freetype/src/include/freetype/internal/ftserv.h",
      "//third_party/freetype/src/include/freetype/internal/ftstream.h",
      "//third_party/freetype/src/include/freetype/internal/fttrace.h",
      "//third_party/freetype/src/include/freetype/internal/ftvalid.h",
      "//third_party/freetype/src/include/freetype/internal/psaux.h",
      "//third_party/freetype/src/include/freetype/internal/pshints.h",
      "//third_party/freetype/src/include/freetype/internal/services/svbdf.h",
      "//third_party/freetype/src/include/freetype/internal/services/svcfftl.h",
      "//third_party/freetype/src/include/freetype/internal/services/svcid.h",
      "//third_party/freetype/src/include/freetype/internal/services/svfntfmt.h",
      "//third_party/freetype/src/include/freetype/internal/services/svgldict.h",
      "//third_party/freetype/src/include/freetype/internal/services/svgxval.h",
      "//third_party/freetype/src/include/freetype/internal/services/svkern.h",
      "//third_party/freetype/src/include/freetype/internal/services/svmetric.h",
      "//third_party/freetype/src/include/freetype/internal/services/svmm.h",
      "//third_party/freetype/src/include/freetype/internal/services/svotval.h",
      "//third_party/freetype/src/include/freetype/internal/services/svpfr.h",
      "//third_party/freetype/src/include/freetype/internal/services/svpostnm.h",
      "//third_party/freetype/src/include/freetype/internal/services/svprop.h",
      "//third_party/freetype/src/include/freetype/internal/services/svpscmap.h",
      "//third_party/freetype/src/include/freetype/internal/services/svpsinfo.h",
      "//third_party/freetype/src/include/freetype/internal/services/svsfnt.h",
      "//third_party/freetype/src/include/freetype/internal/services/svttcmap.h",
      "//third_party/freetype/src/include/freetype/internal/services/svtteng.h",
      "//third_party/freetype/src/include/freetype/internal/services/svttglyf.h",
      "//third_party/freetype/src/include/freetype/internal/services/svwinfnt.h",
      "//third_party/freetype/src/include/freetype/internal/sfnt.h",
      "//third_party/freetype/src/include/freetype/internal/t1types.h",
      "//third_party/freetype/src/include/freetype/internal/tttypes.h",
      "//third_party/freetype/src/include/freetype/t1tables.h",
      "//third_party/freetype/src/include/freetype/ttnameid.h",
      "//third_party/freetype/src/include/freetype/tttables.h",
      "//third_party/freetype/src/include/freetype/tttags.h",
      "//third_party/freetype/src/include/ft2build.h",
      "//third_party/freetype/src/src/base/ftbase.c",
      "//third_party/freetype/src/src/base/ftbase.h",
      "//third_party/freetype/src/src/base/ftbitmap.c",
      "//third_party/freetype/src/src/base/ftdebug.c",
      "//third_party/freetype/src/src/base/ftfstype.c",
      "//third_party/freetype/src/src/base/ftglyph.c",
      "//third_party/freetype/src/src/base/ftinit.c",
      "//third_party/freetype/src/src/base/ftmm.c",
      "//third_party/freetype/src/src/base/ftsystem.c",
      "//third_party/freetype/src/src/cff/cff.c",
      "//third_party/freetype/src/src/cff/cffobjs.h",
      "//third_party/freetype/src/src/cid/type1cid.c",
      "//third_party/freetype/src/src/psaux/psaux.c",
      "//third_party/freetype/src/src/pshinter/pshinter.c",
      "//third_party/freetype/src/src/psnames/psmodule.c",
      "//third_party/freetype/src/src/raster/raster.c",
      "//third_party/freetype/src/src/sfnt/sfnt.c",
      "//third_party/freetype/src/src/smooth/smooth.c",
      "//third_party/freetype/src/src/truetype/truetype.c",
      "//third_party/freetype/src/src/type1/type1.c",
    ]
    if (pdf_use_skia) {
      sources += [
        "//third_party/freetype/src/include/freetype/ftsynth.h",
        "//third_party/freetype/src/src/base/fttype1.c",
      ]
    }
  }
}

if (is_linux || is_chromeos) {
  config("system_fontconfig") {
    libs = [ "fontconfig" ]
  }
  group("fontconfig") {
    public_configs = [ ":system_fontconfig" ]
  }
}

config("fx_agg_warnings") {
  visibility = [ ":*" ]
  if (is_clang) {
    # calc_butt_cap() in agg_vcgen_stroke.cpp is unused.
    cflags = [ "-Wno-unused-function" ]
  }
}
source_set("fx_agg") {
  configs -= [ "//build/config/compiler:chromium_code" ]
  configs += [
    "//build/config/compiler:no_chromium_code",
    ":pdfium_third_party_config",

    # Must be after no_chromium_code for warning flags to be ordered correctly.
    ":fx_agg_warnings",
  ]
  sources = [
    "agg23/agg_basics.h",
    "agg23/agg_clip_liang_barsky.h",
    "agg23/agg_conv_dash.h",
    "agg23/agg_conv_stroke.h",
    "agg23/agg_curves.cpp",
    "agg23/agg_curves.h",
    "agg23/agg_path_storage.cpp",
    "agg23/agg_path_storage.h",
    "agg23/agg_rasterizer_scanline_aa.cpp",
    "agg23/agg_rasterizer_scanline_aa.h",
    "agg23/agg_renderer_scanline.h",
    "agg23/agg_rendering_buffer.h",
    "agg23/agg_scanline_u.h",
    "agg23/agg_vcgen_dash.cpp",
    "agg23/agg_vcgen_stroke.cpp",
  ]
  deps = [ "../core/fxcrt" ]
}

config("fx_lcms2_warnings") {
  visibility = [ ":*" ]
  if (is_clang) {
    cflags = [
      # cmslut.cc is sloppy with aggregate initialization. Version 2.7 of this
      # library doesn't appear to have this problem.
      "-Wno-missing-braces",
    ]
  }
}

source_set("fx_lcms2") {
  configs -= [ "//build/config/compiler:chromium_code" ]
  configs += [
    "//build/config/compiler:no_chromium_code",
    "//build/config/sanitizers:cfi_icall_generalize_pointers",
    ":pdfium_third_party_config",

    # Must be after no_chromium_code for warning flags to be ordered correctly.
    ":fx_lcms2_warnings",
  ]
  sources = [
    "lcms/include/lcms2.h",
    "lcms/include/lcms2_plugin.h",
    "lcms/src/cmsalpha.c",
    "lcms/src/cmscam02.c",
    "lcms/src/cmscgats.c",
    "lcms/src/cmscnvrt.c",
    "lcms/src/cmserr.c",
    "lcms/src/cmsgamma.c",
    "lcms/src/cmsgmt.c",
    "lcms/src/cmshalf.c",
    "lcms/src/cmsintrp.c",
    "lcms/src/cmsio0.c",
    "lcms/src/cmsio1.c",
    "lcms/src/cmslut.c",
    "lcms/src/cmsmd5.c",
    "lcms/src/cmsmtrx.c",
    "lcms/src/cmsnamed.c",
    "lcms/src/cmsopt.c",
    "lcms/src/cmspack.c",
    "lcms/src/cmspcs.c",
    "lcms/src/cmsplugin.c",
    "lcms/src/cmsps2.c",
    "lcms/src/cmssamp.c",
    "lcms/src/cmssm.c",
    "lcms/src/cmstypes.c",
    "lcms/src/cmsvirt.c",
    "lcms/src/cmswtpnt.c",
    "lcms/src/cmsxform.c",
  ]
  deps = [ "../core/fxcrt" ]
}

if (!build_with_chromium) {
  declare_args() {
    # Uses system libjpeg. If true, overrides use_libjpeg_turbo.
    use_system_libjpeg = false

    # Uses libjpeg_turbo as the jpeg implementation. Has no effect if
    # use_system_libjpeg is set.
    use_libjpeg_turbo = true
  }

  config("system_libjpeg_config") {
    libs = [ "jpeg" ]
    defines = [ "USE_SYSTEM_LIBJPEG" ]
  }

  config("libjpeg_turbo_config") {
    defines = [ "USE_LIBJPEG_TURBO=1" ]
  }

  # This is a meta target that forwards to the system's libjpeg,
  # third_party/libjpeg, or third_party/libjpeg_turbo depending on the build args
  # declared in this file.
  group("jpeg") {
    if (use_system_libjpeg) {
      public_configs = [ ":system_libjpeg_config" ]
    } else if (use_libjpeg_turbo) {
      public_deps = [ "//third_party/libjpeg_turbo:libjpeg" ]
      public_configs = [ ":libjpeg_turbo_config" ]
    } else {
      public_deps = [ "//third_party/libjpeg:libjpeg" ]
    }
  }
}

config("system_zlib_config") {
  libs = [ "z" ]
  defines = [ "USE_SYSTEM_ZLIB" ]
}

group("zlib") {
  if (use_system_zlib) {
    public_configs = [ ":system_zlib_config" ]
  } else {
    public_deps = [ "//third_party/zlib" ]
  }
}

if (use_system_lcms2) {
  pkg_config("lcms2_from_pkgconfig") {
    defines = [ "USE_SYSTEM_LCMS2" ]
    packages = [ "lcms2" ]
  }
}
group("lcms2") {
  if (use_system_lcms2) {
    public_configs = [ ":lcms2_from_pkgconfig" ]
  } else {
    public_deps = [ ":fx_lcms2" ]
  }
}

if (use_system_libopenjpeg2) {
  pkg_config("libopenjpeg2_from_pkgconfig") {
    defines = [ "USE_SYSTEM_LIBOPENJPEG2" ]
    packages = [ "libopenjp2" ]
  }
}
group("libopenjpeg2") {
  if (use_system_libopenjpeg2) {
    public_configs = [ ":libopenjpeg2_from_pkgconfig" ]
  } else {
    public_deps = [ ":fx_libopenjpeg" ]
  }
}

config("fx_libopenjpeg_warnings") {
  visibility = [ ":*" ]
  if (is_clang) {
    cflags = [
      # Various files convert MAX_INT to double and similar without casting.
      "-Wno-implicit-int-float-conversion",
    ]
  } else if (is_win && target_cpu == "x86") {
    cflags = [
      # Signed/unsigned comparisons.
      "/wd4018",
    ]
  }
}

source_set("fx_libopenjpeg") {
  configs -= [ "//build/config/compiler:chromium_code" ]
  configs += [
    "//build/config/compiler:no_chromium_code",
    "//build/config/sanitizers:cfi_icall_generalize_pointers",
    ":pdfium_third_party_config",

    # Must be after no_chromium_code for warning flags to be ordered correctly.
    ":fx_libopenjpeg_warnings",
  ]
  sources = [
    "libopenjpeg/bio.c",
    "libopenjpeg/cio.c",
    "libopenjpeg/dwt.c",
    "libopenjpeg/event.c",
    "libopenjpeg/function_list.c",
    "libopenjpeg/ht_dec.c",
    "libopenjpeg/image.c",
    "libopenjpeg/invert.c",
    "libopenjpeg/j2k.c",
    "libopenjpeg/jp2.c",
    "libopenjpeg/mct.c",
    "libopenjpeg/mqc.c",
    "libopenjpeg/openjpeg.c",

    # NOTE: libopenjpeg/opj_clock.c is not used.
    "libopenjpeg/opj_malloc.cc",
    "libopenjpeg/opj_malloc.h",
    "libopenjpeg/pi.c",
    "libopenjpeg/sparse_array.c",
    "libopenjpeg/sparse_array.h",
    "libopenjpeg/t1.c",
    "libopenjpeg/t1_ht_luts.h",
    "libopenjpeg/t2.c",
    "libopenjpeg/tcd.c",
    "libopenjpeg/tgt.c",
    "libopenjpeg/thread.c",
  ]
  deps = [ "../core/fxcrt" ]
}

config("system_libpng_config") {
  libs = [ "png" ]
  defines = [ "USE_SYSTEM_LIBPNG" ]
}

group("png") {
  if (use_system_libpng) {
    public_configs = [ ":system_libpng_config" ]
  } else {
    public_deps = [ "//third_party/libpng" ]
  }
}

if (pdf_enable_xfa_tiff) {
  source_set("fx_tiff") {
    configs -= [ "//build/config/compiler:chromium_code" ]
    configs += [
      "//build/config/compiler:no_chromium_code",
      ":pdfium_third_party_config",
    ]
    if (is_win) {
      # Need to undefine the macro since it is redefined in tif_jpeg.c.
      configs -= [ "//build/config/win:lean_and_mean" ]
    }
    deps = [
      ":zlib",
      "../core/fxcrt",
      "//third_party:jpeg",
    ]
    sources = [
      "libtiff/tif_aux.c",
      "libtiff/tif_close.c",
      "libtiff/tif_codec.c",
      "libtiff/tif_color.c",
      "libtiff/tif_compress.c",
      "libtiff/tif_dir.c",
      "libtiff/tif_dirinfo.c",
      "libtiff/tif_dirread.c",
      "libtiff/tif_dirwrite.c",
      "libtiff/tif_dumpmode.c",
      "libtiff/tif_error.c",
      "libtiff/tif_extension.c",
      "libtiff/tif_fax3.c",
      "libtiff/tif_fax3sm.c",
      "libtiff/tif_flush.c",
      "libtiff/tif_getimage.c",
      "libtiff/tif_jpeg.c",
      "libtiff/tif_luv.c",
      "libtiff/tif_lzw.c",
      "libtiff/tif_next.c",
      "libtiff/tif_open.c",
      "libtiff/tif_packbits.c",
      "libtiff/tif_pixarlog.c",
      "libtiff/tif_predict.c",
      "libtiff/tif_print.c",
      "libtiff/tif_read.c",
      "libtiff/tif_strip.c",
      "libtiff/tif_swab.c",
      "libtiff/tif_thunder.c",
      "libtiff/tif_tile.c",
      "libtiff/tif_version.c",
      "libtiff/tif_warning.c",
      "libtiff/tif_write.c",
      "libtiff/tiffiop.h",
      "libtiff/tiffvers.h",
    ]
  }
}

source_set("pdfium_compiler_specific") {
  configs -= [ "//build/config/compiler:chromium_code" ]
  configs += [
    "//build/config/compiler:no_chromium_code",
    ":pdfium_third_party_config",
  ]
  sources = [ "base/compiler_specific.h" ]
}

source_set("pdfium_base") {
  configs -= [ "//build/config/compiler:chromium_code" ]
  configs += [
    "//build/config/compiler:no_chromium_code",
    ":pdfium_third_party_config",
  ]
  sources = [
    "base/base_export.h",
    "base/bits.h",
    "base/check.h",
    "base/check_op.h",
    "base/containers/adapters.h",
    "base/containers/contains.h",
    "base/cxx17_backports.h",
    "base/debug/alias.cc",
    "base/debug/alias.h",
    "base/immediate_crash.h",
    "base/memory/aligned_memory.cc",
    "base/memory/aligned_memory.h",
    "base/no_destructor.h",
    "base/notreached.h",
    "base/numerics/checked_math.h",
    "base/numerics/checked_math_impl.h",
    "base/numerics/clamped_math.h",
    "base/numerics/clamped_math_impl.h",
    "base/numerics/safe_conversions.h",
    "base/numerics/safe_conversions_arm_impl.h",
    "base/numerics/safe_conversions_impl.h",
    "base/numerics/safe_math.h",
    "base/numerics/safe_math_arm_impl.h",
    "base/numerics/safe_math_clang_gcc_impl.h",
    "base/numerics/safe_math_shared_impl.h",
    "base/span.h",
    "base/sys_byteorder.h",
    "base/template_util.h",
  ]
  public_deps = [
    ":pdfium_compiler_specific",
    "../core/fxcrt:unowned_ptr",
    "//third_party/abseil-cpp:absl",
  ]
  if (is_win) {
    sources += [
      "base/win/scoped_select_object.h",
      "base/win/win_util.cc",
      "base/win/win_util.h",
    ]
  }
}

source_set("pdfium_base_test_support") {
  testonly = true
  sources = []
  configs += [
    "../:pdfium_strict_config",
    "../:pdfium_noshorten_config",
  ]
  deps = []
  if (is_posix || is_fuchsia) {
    sources += [
      "base/test/scoped_locale.cc",
      "base/test/scoped_locale.h",
    ]
    deps += [ "//testing/gtest" ]
  }
}

source_set("skia_shared") {
  sources = [
    "skia_shared/SkFloatToDecimal.cpp",
    "skia_shared/SkFloatToDecimal.h",
  ]
  configs += [
    "../:pdfium_strict_config",
    "../:pdfium_noshorten_config",
  ]
}