1 files changed, 66 insertions, 0 deletions
diff --git a/gfx/2d/BigEndianInts.h b/gfx/2d/BigEndianInts.h
new file mode 100644
index 0000000000..b50a2e2148
--- /dev/null
+++ b/gfx/2d/BigEndianInts.h
@@ -0,0 +1,66 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef mozilla_BigEndianInts_h
+#define mozilla_BigEndianInts_h
+
+#include "mozilla/EndianUtils.h"
+
+namespace mozilla {
+
+#pragma pack(push, 1)
+
+struct BigEndianUint16 {
+#ifdef __SUNPRO_CC
+  BigEndianUint16& operator=(const uint16_t aValue) {
+    value = NativeEndian::swapToBigEndian(aValue);
+    return *this;
+  }
+#else
+  MOZ_IMPLICIT BigEndianUint16(const uint16_t aValue) {
+    value = NativeEndian::swapToBigEndian(aValue);
+  }
+#endif
+
+  operator uint16_t() const { return NativeEndian::swapFromBigEndian(value); }
+
+  friend inline bool operator==(const BigEndianUint16& lhs,
+                                const BigEndianUint16& rhs) {
+    return lhs.value == rhs.value;
+  }
+
+  friend inline bool operator!=(const BigEndianUint16& lhs,
+                                const BigEndianUint16& rhs) {
+    return !(lhs == rhs);
+  }
+
+ private:
+  uint16_t value;
+};
+
+struct BigEndianUint32 {
+#ifdef __SUNPRO_CC
+  BigEndianUint32& operator=(const uint32_t aValue) {
+    value = NativeEndian::swapToBigEndian(aValue);
+    return *this;
+  }
+#else
+  MOZ_IMPLICIT BigEndianUint32(const uint32_t aValue) {
+    value = NativeEndian::swapToBigEndian(aValue);
+  }
+#endif
+
+  operator uint32_t() const { return NativeEndian::swapFromBigEndian(value); }
+
+ private:
+  uint32_t value;
+};
+
+#pragma pack(pop)
+
+}  // namespace mozilla
+
+#endif  // mozilla_BigEndianInts_h