Sync S7: merge upstream PDFium up to cfe3a2413 (Aug 31 2026)

.github/workflows/release-libpdfium.yml

@@ -162,6 +162,9 @@ jobs:
             throw "rc.exe not found in $rcPath"
           }
           $rcPath | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+          # build/ pins a Windows SDK the runner may not have; build with the
+          # newest one it does have (patches/embedpdf-runtime/win/build.patch).
+          "EMBEDPDF_WIN_SDK_VERSION=$($sdk.Name)" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
       - name: Build target
         shell: bash
         run: scripts/embedpdf-runtime/build-target.sh "${{ matrix.target }}"

.gitignore

@@ -11,6 +11,8 @@
 /third_party/brotli
 /third_party/catapult
 /third_party/clang-format
+/third_party/cpython3/host
+/third_party/cpython3/linux-amd64
 /third_party/cpu_features/src
 /third_party/depot_tools
 /third_party/dragonbox/src

.gn

@@ -8,7 +8,7 @@ buildconfig = "//build/config/BUILDCONFIG.gn"
 
 # The python interpreter to use by default. On Windows, this will look
 # for python3.exe and python3.bat.
-script_executable = "python3"
+script_executable = "//third_party/cpython3/host/bin/python3"
 
 default_args = {
   # Use a production-performant allocator.
@@ -17,6 +17,9 @@ default_args = {
   partition_alloc_is_debug = false
   enable_pkeys = false
 
+  # This security tooling is not needed.
+  v8_enable_generated_code_validator = false
+
   # PDFs only need to run JavaScript.
   v8_enable_webassembly = false
 

AUTHORS

@@ -29,6 +29,7 @@ Haoran Tang <haoran.tang.personal@gmail.com>
 Helmut Januschka <helmut@januschka.com>
 Huy Ngo <huyna89@gmail.com>
 Ivan Odulo <ivanodulo@gmail.com>
+Jeroen Bobbeldijk <jerbob92@gmail.com>
 Jiang Jiang <jiangj@opera.com>
 Justin Pierce <brkfstmnchr@gmail.com>
 Ke Liu <stackexploit@gmail.com>

BUILD.gn

@@ -47,11 +47,15 @@ config("pdfium_common_config") {
     defines += [ "PDF_ENABLE_SKIA_TYPEFACE_CHECKS" ]
   }
 
-  if (pdf_use_skia && pdf_enable_rust_bmp) {
+  if (pdf_enable_rust_bmp) {
     defines += [ "PDF_ENABLE_RUST_BMP" ]
   }
 
-  if (pdf_use_skia && pdf_enable_rust_png) {
+  if (pdf_use_skia && pdf_enable_rust_jpeg) {
+    defines += [ "PDF_ENABLE_RUST_JPEG" ]
+  }
+
+  if (pdf_enable_rust_png) {
     defines += [ "PDF_ENABLE_RUST_PNG" ]
   }
 
@@ -156,18 +160,6 @@ config("pdfium_public_config") {
 
     if (pdf_enable_xfa) {
       defines += [ "PDF_ENABLE_XFA" ]
-      if (pdf_enable_xfa_bmp) {
-        defines += [ "PDF_ENABLE_XFA_BMP" ]
-      }
-      if (pdf_enable_xfa_gif) {
-        defines += [ "PDF_ENABLE_XFA_GIF" ]
-      }
-      if (pdf_enable_xfa_png) {
-        defines += [ "PDF_ENABLE_XFA_PNG" ]
-      }
-      if (pdf_enable_xfa_tiff) {
-        defines += [ "PDF_ENABLE_XFA_TIFF" ]
-      }
     }
   }
 
@@ -360,7 +352,7 @@ group("pdfium_unittest_deps") {
     "fpdfsdk/*",
     "fxbarcode/*",
     "fxjs/*",
-    "testing/image_diff/*",
+    "testing/*",
     "xfa/*",
   ]
 }
@@ -383,7 +375,8 @@ test("pdfium_unittests") {
     "core/fxge:unittests",
     "fpdfsdk:unittests",
     "testing:unit_test_support",
-    "testing/image_diff:unittests",
+    "testing:unittests",
+    "testing/png_codec:unittests",
     "//testing/gmock",
     "//testing/gtest",
   ]
@@ -444,7 +437,7 @@ test("pdfium_embeddertests") {
     "fpdfsdk:embeddertests",
     "fpdfsdk/formfiller:embeddertests",
     "fpdfsdk/pwl:embeddertests",
-    "testing/image_diff",
+    "testing/png_codec",
     "//testing/gmock",
     "//testing/gtest",
   ]
@@ -479,28 +472,14 @@ test("pdfium_embeddertests") {
   }
 }
 
-executable("pdfium_diff") {
-  visibility += [ "testing/tools:test_runner_py" ]
-  testonly = true
-  sources = [ "testing/image_diff/image_diff.cpp" ]
-  deps = [
-    "core/fxcrt",
-    "testing:path_service",
-    "testing:pixel_diff_utils",
-    "testing/image_diff",
-    "//build/win:default_exe_manifest",
-  ]
-  configs += [ ":pdfium_strict_config" ]
-}
-
 group("pdfium_all") {
   testonly = true
   deps = [
-    ":pdfium_diff",
     ":pdfium_embeddertests",
     ":pdfium_unittests",
-    "testing:pdfium_test",
+    "testing:pdfium_diff",
     "testing/fuzzers",
+    "testing/pdfium_test",
     "testing/tools:epdf_layer_memory_benchmark",
     "testing/tools:epdf_layer_replay_soak",
     "testing/tools:epdf_thread_soak",