load("//bazel:flags.bzl", "bool_flag", "selects")
load("//bazel:skia_rules.bzl", "exports_files_legacy", "generate_cpp_files_for_headers", "skia_cc_deps", "skia_cc_library", "skia_filegroup", "split_srcs_and_hdrs")

package(
    default_applicable_licenses = ["//:license"],
)

licenses(["notice"])

exports_files_legacy()

PDF_FILES = [
    "SkBitmapKey.h",
    "SkClusterator.cpp",
    "SkClusterator.h",
    "SkDeflate.cpp",
    "SkDeflate.h",
    "SkKeyedImage.cpp",
    "SkKeyedImage.h",
    "SkPDFBitmap.cpp",
    "SkPDFBitmap.h",
    "SkPDFDevice.cpp",
    "SkPDFDevice.h",
    "SkPDFDocument.cpp",
    "SkPDFDocumentPriv.h",
    "SkPDFFont.cpp",
    "SkPDFFont.h",
    "SkPDFFormXObject.cpp",
    "SkPDFFormXObject.h",
    "SkPDFGlyphUse.h",
    "SkPDFGradientShader.cpp",
    "SkPDFGradientShader.h",
    "SkPDFGraphicStackState.cpp",
    "SkPDFGraphicStackState.h",
    "SkPDFGraphicState.cpp",
    "SkPDFGraphicState.h",
    "SkPDFMakeCIDGlyphWidthsArray.cpp",
    "SkPDFMakeCIDGlyphWidthsArray.h",
    "SkPDFMakeToUnicodeCmap.cpp",
    "SkPDFMakeToUnicodeCmap.h",
    "SkPDFMetadata.cpp",
    "SkPDFMetadata.h",
    "SkPDFResourceDict.cpp",
    "SkPDFResourceDict.h",
    "SkPDFShader.cpp",
    "SkPDFShader.h",
    "SkPDFSubsetFont.cpp",
    "SkPDFSubsetFont.h",
    "SkPDFTag.cpp",
    "SkPDFTag.h",
    "SkPDFType1Font.cpp",
    "SkPDFType1Font.h",
    "SkPDFTypes.cpp",
    "SkPDFTypes.h",
    "SkPDFUnion.h",
    "SkPDFUtils.cpp",
    "SkPDFUtils.h",
    "SkUUID.h",
]

split_srcs_and_hdrs(
    name = "_pdf",
    files = PDF_FILES,
)

#TODO: remove after Chromium no longer references this.
skia_filegroup(
    name = "jpeg_info_libjpeg",
    srcs = ["SkJpegInfo_libjpegturbo.cpp"],
)

#TODO: remove after Chromium no longer references this.
skia_filegroup(
    name = "jpeg_info_none",
    srcs = ["SkJpegInfo_none.cpp"],
)

skia_filegroup(
    name = "srcs",
    srcs = [
        ":_pdf_srcs",
    ],
    visibility = ["//src:__pkg__"],
)

skia_filegroup(
    name = "private_hdrs",
    srcs = [
        ":_pdf_hdrs",
    ],
    visibility = ["//src:__pkg__"],
)

bool_flag(
    name = "enable_pdf_backend",
    default = False,
)

bool_flag(
    name = "enable_pdf_subset_harfbuzz",
    default = True,  # This defaults it to be on if icu and harfbuzz are on
)

selects.config_setting_group(
    name = "uses_harfbuzz",
    match_all = [
        "//bazel/common_config_settings:use_icu_true",
        "//bazel/common_config_settings:use_harfbuzz_true",
        ":enable_pdf_subset_harfbuzz_true",
    ],
)

# TODO(kjlubick) delete after pdf backend is modularized
skia_cc_library(
    name = "legacy_harfbuzz",
    deps = ["@harfbuzz"],
)

skia_cc_deps(
    name = "deps",
    visibility = ["//src:__pkg__"],
    deps = [
        "@zlib_skia//:zlib",
        #"//src/codec:jpeg_decode",
        #"//src/encode:jpeg_encode",
    ] + select({
        ":uses_harfbuzz": [":legacy_harfbuzz"],
        "//conditions:default": [],
    }),
)

generate_cpp_files_for_headers(
    name = "headers_to_compile",
    headers = [
        "SkBitmapKey.h",
        "SkPDFDocumentPriv.h",
        "SkPDFUnion.h",
        "SkUUID.h",
    ],
)

skia_cc_library(
    name = "pdf",
    srcs = [
        ":_pdf_hdrs",
        ":_pdf_srcs",
    ],
    hdrs = [
        "//include/docs:pdf_hdrs",
    ],
    local_defines = ["SK_PDF_USE_HARFBUZZ_SUBSET"],
    visibility = ["//:__pkg__"],
    deps = [
        "//:core",
        "//:jpeg_decode_codec",
        "//:jpeg_encode_codec",
        "//:pathops",
        "//src/core:core_priv",
        "//src/utils:clip_stack_utils",
        "//src/utils:float_to_decimal",
        "@zlib_skia//:zlib",
    ] +
    # We have this harfbuzz dependency all by itself because we need to turn this into a
    # select statement when rolling into G3.
    [
        "@harfbuzz",
    ],
)