1 files changed, 53 insertions, 0 deletions
diff --git a/gfx/skia/skia/include/utils/SkBase64.h b/gfx/skia/skia/include/utils/SkBase64.h
new file mode 100644
index 0000000000..e01028543a
--- /dev/null
+++ b/gfx/skia/skia/include/utils/SkBase64.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2006 The Android Open Source Project
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkBase64_DEFINED
+#define SkBase64_DEFINED
+
+#include "include/core/SkTypes.h"
+
+#include <cstddef>
+
+struct SkBase64 {
+public:
+    enum Error {
+        kNoError,
+        kPadError,
+        kBadCharError
+    };
+
+    /**
+       Base64 encodes src into dst.
+
+       Normally this is called once with 'dst' nullptr to get the required size, then again with an
+       allocated 'dst' pointer to do the actual encoding.
+
+       @param dst nullptr or a pointer to a buffer large enough to receive the result
+
+       @param encode nullptr for default encoding or a pointer to at least 65 chars.
+                     encode[64] will be used as the pad character.
+                     Encodings other than the default encoding cannot be decoded.
+
+       @return the required length of dst for encoding.
+    */
+    static size_t Encode(const void* src, size_t length, void* dst, const char* encode = nullptr);
+
+    /**
+       Base64 decodes src into dst.
+
+       Normally this is called once with 'dst' nullptr to get the required size, then again with an
+       allocated 'dst' pointer to do the actual encoding.
+
+       @param dst nullptr or a pointer to a buffer large enough to receive the result
+
+       @param dstLength assigned the length dst is required to be. Must not be nullptr.
+    */
+    static Error SK_WARN_UNUSED_RESULT Decode(const void* src, size_t  srcLength,
+                                                    void* dst, size_t* dstLength);
+};
+
+#endif // SkBase64_DEFINED