1 files changed, 33 insertions, 0 deletions
diff --git a/gfx/thebes/FontPaletteCache.cpp b/gfx/thebes/FontPaletteCache.cpp
new file mode 100644
index 0000000000..02ca740977
--- /dev/null
+++ b/gfx/thebes/FontPaletteCache.cpp
@@ -0,0 +1,33 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "FontPaletteCache.h"
+#include "COLRFonts.h"
+#include "gfxFontEntry.h"
+
+using namespace mozilla;
+
+void gfx::PaletteCache::SetPaletteValueSet(
+    const gfx::FontPaletteValueSet* aSet) {
+  mPaletteValueSet = aSet;
+  Clear();
+}
+
+already_AddRefed<gfx::FontPalette> gfx::PaletteCache::GetPaletteFor(
+    gfxFontEntry* aFontEntry, nsAtom* aPaletteName) {
+  auto entry = Lookup(std::pair(aFontEntry, aPaletteName));
+  if (!entry) {
+    CacheData newData;
+    newData.mKey = std::pair(aFontEntry, aPaletteName);
+
+    gfxFontEntry::AutoHBFace face = aFontEntry->GetHBFace();
+    newData.mPalette = new FontPalette(gfx::COLRFonts::CreateColorPalette(
+        face, mPaletteValueSet, aPaletteName, aFontEntry->FamilyName()));
+
+    entry.Set(std::move(newData));
+  }
+  RefPtr result = entry.Data().mPalette;
+  return result.forget();
+}