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-rw-r--r--community/chromium/skia-harfbuzz-3.0.0.patch100
1 files changed, 0 insertions, 100 deletions
diff --git a/community/chromium/skia-harfbuzz-3.0.0.patch b/community/chromium/skia-harfbuzz-3.0.0.patch
deleted file mode 100644
index f74306a81a9..00000000000
--- a/community/chromium/skia-harfbuzz-3.0.0.patch
+++ /dev/null
@@ -1,100 +0,0 @@
-# Minimal diff for harfbuzz 3.0.0 support; based on:
-# https://github.com/google/skia/commit/66684b17b382
-# https://github.com/google/skia/commit/51d83abcd24a
-
-diff --git a/gn/skia.gni b/gn/skia.gni
-index d98fdc19ee..199335d5c4 100644
---- ./gn/skia.gni
-+++ ./third_party/skia/gn/skia.gni
-@@ -34,8 +34,6 @@ declare_args() {
- skia_include_multiframe_procs = false
- skia_lex = false
- skia_libgifcodec_path = "third_party/externals/libgifcodec"
-- skia_pdf_subset_harfbuzz =
-- false # TODO: set skia_pdf_subset_harfbuzz to skia_use_harfbuzz.
- skia_qt_path = getenv("QT_PATH")
- skia_skqp_global_error_tolerance = 0
- skia_tools_require_resources = false
-@@ -99,6 +97,10 @@ declare_args() {
- skia_use_libfuzzer_defaults = true
- }
-
-+declare_args() {
-+ skia_pdf_subset_harfbuzz = skia_use_harfbuzz
-+}
-+
- declare_args() {
- skia_compile_sksl_tests = skia_compile_processors
- skia_enable_fontmgr_android = skia_use_expat && skia_use_freetype
-diff --git a/src/pdf/SkPDFSubsetFont.cpp b/src/pdf/SkPDFSubsetFont.cpp
-index 81c37eef3a..2340a7937b 100644
---- a/src/pdf/SkPDFSubsetFont.cpp
-+++ ./third_party/skia/src/pdf/SkPDFSubsetFont.cpp
-@@ -49,6 +49,37 @@ static sk_sp<SkData> to_data(HBBlob blob) {
- blob.release());
- }
-
-+template<typename...> using void_t = void;
-+template<typename T, typename = void>
-+struct SkPDFHarfBuzzSubset {
-+ // This is the HarfBuzz 3.0 interface.
-+ // hb_subset_flags_t does not exist in 2.0. It isn't dependent on T, so inline the value of
-+ // HB_SUBSET_FLAGS_RETAIN_GIDS until 2.0 is no longer supported.
-+ static HBFace Make(T input, hb_face_t* face) {
-+ // TODO: When possible, check if a font is 'tricky' with FT_IS_TRICKY.
-+ // If it isn't known if a font is 'tricky', retain the hints.
-+ hb_subset_input_set_flags(input, 2/*HB_SUBSET_FLAGS_RETAIN_GIDS*/);
-+ return HBFace(hb_subset_or_fail(face, input));
-+ }
-+};
-+template<typename T>
-+struct SkPDFHarfBuzzSubset<T, void_t<
-+ decltype(hb_subset_input_set_retain_gids(std::declval<T>(), std::declval<bool>())),
-+ decltype(hb_subset_input_set_drop_hints(std::declval<T>(), std::declval<bool>())),
-+ decltype(hb_subset(std::declval<hb_face_t*>(), std::declval<T>()))
-+ >>
-+{
-+ // This is the HarfBuzz 2.0 (non-public) interface, used if it exists.
-+ // This code should be removed as soon as all users are migrated to the newer API.
-+ static HBFace Make(T input, hb_face_t* face) {
-+ hb_subset_input_set_retain_gids(input, true);
-+ // TODO: When possible, check if a font is 'tricky' with FT_IS_TRICKY.
-+ // If it isn't known if a font is 'tricky', retain the hints.
-+ hb_subset_input_set_drop_hints(input, false);
-+ return HBFace(hb_subset(face, input));
-+ }
-+};
-+
- static sk_sp<SkData> subset_harfbuzz(sk_sp<SkData> fontData,
- const SkPDFGlyphUse& glyphUsage,
- int ttcIndex) {
-@@ -71,11 +102,10 @@ static sk_sp<SkData> subset_harfbuzz(sk_sp<SkData> fontData,
- hb_set_t* glyphs = hb_subset_input_glyph_set(input.get());
- glyphUsage.getSetValues([&glyphs](unsigned gid) { hb_set_add(glyphs, gid);});
-
-- hb_subset_input_set_retain_gids(input.get(), true);
-- // TODO: When possible, check if a font is 'tricky' with FT_IS_TRICKY.
-- // If it isn't known if a font is 'tricky', retain the hints.
-- hb_subset_input_set_drop_hints(input.get(), false);
-- HBFace subset(hb_subset(face.get(), input.get()));
-+ HBFace subset = SkPDFHarfBuzzSubset<hb_subset_input_t*>::Make(input.get(), face.get());
-+ if (!subset) {
-+ return nullptr;
-+ }
- HBBlob result(hb_face_reference_blob(subset.get()));
- return to_data(std::move(result));
- }
-diff --git a/third_party/harfbuzz/BUILD.gn b/third_party/harfbuzz/BUILD.gn
-index 173830de62..4156607ef9 100644
---- a/third_party/harfbuzz/BUILD.gn
-+++ ./third_party/skia/third_party/harfbuzz/BUILD.gn
-@@ -14,6 +14,9 @@ if (skia_use_system_harfbuzz) {
- system("harfbuzz") {
- include_dirs = [ "/usr/include/harfbuzz" ]
- libs = [ "harfbuzz" ]
-+ if (skia_pdf_subset_harfbuzz) {
-+ libs += [ "harfbuzz-subset" ]
-+ }
- }
- } else {
- third_party("harfbuzz") {