Meta: Add libjxl overlay port

We need some msvc-only cusotmization here to get LibGfx building

Meta/CMake/vcpkg/overlay-ports/libjxl/fix-dependencies.patch

@@ -0,0 +1,39 @@
+diff --git a/third_party/CMakeLists.txt b/third_party/CMakeLists.txt
+index ea22103e..c6dbbe9f 100644
+--- a/third_party/CMakeLists.txt
++++ b/third_party/CMakeLists.txt
+@@ -31,8 +31,9 @@ if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/highway/CMakeLists.txt" AND
+   configure_file("${CMAKE_CURRENT_SOURCE_DIR}/highway/LICENSE"
+                  ${PROJECT_BINARY_DIR}/LICENSE.highway COPYONLY)
+ else()
+-  find_package(HWY 1.0.7)
+-  if (NOT HWY_FOUND)
++  find_package(HWY NAMES hwy REQUIRED)
++  add_library(hwy ALIAS hwy::hwy)
++  if (NOT TARGET hwy::hwy)
+     message(FATAL_ERROR
+         "Highway library (hwy) not found. Install libhwy-dev or download it "
+         "to third_party/highway from https://github.com/google/highway . "
+@@ -48,7 +49,11 @@ endif()
+ # brotli
+ if (NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/brotli/c/include/brotli/decode.h" OR
+     JPEGXL_FORCE_SYSTEM_BROTLI)
+-  find_package(Brotli)
++  find_package(Brotli NAMES unofficial-brotli REQUIRED)
++  foreach(brlib IN ITEMS brotlienc brotlidec brotlicommon)
++      add_library(${brlib} ALIAS unofficial::brotli::${brlib})
++      add_library(${brlib}-static ALIAS unofficial::brotli::${brlib})
++  endforeach()
+   if (NOT Brotli_FOUND)
+     message(FATAL_ERROR
+         "Brotli not found, install brotli-dev or download brotli source code to"
+@@ -106,7 +111,8 @@ if (JPEGXL_ENABLE_SKCMS)
+ endif ()
+ if (JPEGXL_ENABLE_VIEWERS OR NOT JPEGXL_ENABLE_SKCMS OR JPEGXL_ENABLE_PLUGINS)
+   if( NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/lcms/.git" OR JPEGXL_FORCE_SYSTEM_LCMS2 )
+-    find_package(LCMS2 2.12)
++    find_package(LCMS2 NAMES lcms2 REQUIRED)
++    add_library(lcms2 ALIAS lcms2::lcms2)
+     if ( NOT LCMS2_FOUND )
+       message(FATAL_ERROR "Please install lcms2 or run git submodule update --init")
+     endif ()

Meta/CMake/vcpkg/overlay-ports/libjxl/portfile.cmake

@@ -0,0 +1,70 @@
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO libjxl/libjxl
+    REF "v${VERSION}"
+    SHA512 0cfd81d9d3b783f96bd04f244d73ffbc12186c89993d46064a2751bef0a446a5e86be05add5c10f60d4482d39333d9bf3f9a866d6eb84f8fa0d4e8b5828fd74c
+    HEAD_REF main
+    PATCHES
+        fix-dependencies.patch
+)
+
+vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
+    FEATURES
+        tools JPEGXL_ENABLE_TOOLS
+    INVERTED_FEATURES
+        tools CMAKE_DISABLE_FIND_PACKAGE_GIF
+        tools CMAKE_DISABLE_FIND_PACKAGE_JPEG
+        tools CMAKE_DISABLE_FIND_PACKAGE_PNG
+        tools CMAKE_DISABLE_FIND_PACKAGE_ZLIB
+)
+
+if(VCPKG_TARGET_IS_UWP)
+    string(APPEND VCPKG_C_FLAGS " /wd4146")
+    string(APPEND VCPKG_CXX_FLAGS " /wd4146")
+endif()
+
+vcpkg_cmake_configure(
+    SOURCE_PATH "${SOURCE_PATH}"
+    OPTIONS
+        "-DJPEGXL_VERSION=${JPEGXL_VERSION}"
+        -DJPEGXL_FORCE_SYSTEM_HWY=ON
+        -DJPEGXL_FORCE_SYSTEM_BROTLI=ON
+        -DJPEGXL_FORCE_SYSTEM_HWY=ON
+        -DJPEGXL_FORCE_SYSTEM_LCMS2=ON
+        ${FEATURE_OPTIONS}
+        -DJPEGXL_ENABLE_BENCHMARK=OFF
+        -DJPEGXL_ENABLE_DOXYGEN=OFF
+        -DJPEGXL_ENABLE_EXAMPLES=OFF
+        -DJPEGXL_ENABLE_FUZZERS=OFF
+        -DJPEGXL_ENABLE_JNI=OFF
+        -DJPEGXL_ENABLE_MANPAGES=OFF
+        -DJPEGXL_ENABLE_OPENEXR=OFF
+        -DJPEGXL_ENABLE_PLUGINS=OFF
+        -DJPEGXL_ENABLE_SJPEG=OFF
+        -DJPEGXL_ENABLE_SKCMS=OFF
+        -DJPEGXL_ENABLE_TCMALLOC=OFF
+        -DBUILD_TESTING=OFF
+        -DCMAKE_FIND_PACKAGE_TARGETS_GLOBAL=ON
+        -DJPEGXL_BUNDLE_LIBPNG=OFF
+    MAYBE_UNUSED_VARIABLES
+        CMAKE_DISABLE_FIND_PACKAGE_GIF
+        CMAKE_DISABLE_FIND_PACKAGE_JPEG
+        CMAKE_DISABLE_FIND_PACKAGE_PNG
+        CMAKE_DISABLE_FIND_PACKAGE_ZLIB
+)
+
+vcpkg_cmake_install()
+vcpkg_copy_pdbs()
+vcpkg_fixup_pkgconfig()
+
+if(JPEGXL_ENABLE_TOOLS)
+    vcpkg_copy_tools(TOOL_NAMES cjxl djxl jxlinfo AUTO_CLEAN)
+endif()
+
+if(VCPKG_LIBRARY_LINKAGE STREQUAL "static")
+    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/include/jxl/jxl_export.h" "ifdef JXL_STATIC_DEFINE" "if 1")
+endif()
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
+
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE")

Meta/CMake/vcpkg/overlay-ports/libjxl/vcpkg.json

@@ -0,0 +1,27 @@
+{
+  "name": "libjxl",
+  "version-semver": "0.11.1",
+  "description": "JPEG XL image format reference implementation",
+  "homepage": "https://github.com/libjxl/libjxl",
+  "license": "BSD-3-Clause",
+  "dependencies": [
+    "brotli",
+    "highway",
+    "lcms",
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    }
+  ],
+  "features": {
+    "tools": {
+      "description": "Build user tools: cjxl and djxl",
+      "dependencies": [
+        "giflib",
+        "libjpeg-turbo",
+        "libpng",
+        "zlib"
+      ]
+    }
+  }
+}