Add more TT table definitions and create fake enum typedef.

git-svn-id: http://skia.googlecode.com/svn/trunk@3150 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 18 insertions, 0 deletions

diff --git a/src/sfnt/SkOTUtils.cpp b/src/sfnt/SkOTUtils.cpp
new file mode 100644
index 0000000000..1301a06e02
--- /dev/null
+++ b/src/sfnt/SkOTUtils.cpp
@@ -0,0 +1,18 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkOTTableTypes.h"
+#include "SkOTUtils.h"
+
+uint32_t SkOTUtils::CalcTableChecksum(SK_OT_ULONG *data, size_t length) {
+    uint32_t sum = 0;
+    SK_OT_ULONG *dataEnd = data + ((length + 3) & ~3) / sizeof(SK_OT_ULONG);
+    for (; data < dataEnd; ++data) {
+        sum += SkEndian_SwapBE32(*data);
+    }
+    return sum;
+}