1 files changed, 42 insertions, 0 deletions
diff --git a/gfx/skia/skia/include/core/SkMallocPixelRef.h b/gfx/skia/skia/include/core/SkMallocPixelRef.h
new file mode 100644
index 0000000000..cce54b50f4
--- /dev/null
+++ b/gfx/skia/skia/include/core/SkMallocPixelRef.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2008 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 SkMallocPixelRef_DEFINED
+#define SkMallocPixelRef_DEFINED
+
+#include "include/core/SkPixelRef.h"
+#include "include/core/SkRefCnt.h"
+#include "include/core/SkTypes.h"
+class SkData;
+struct SkImageInfo;
+
+/** We explicitly use the same allocator for our pixels that SkMask does,
+    so that we can freely assign memory allocated by one class to the other.
+*/
+namespace SkMallocPixelRef {
+    /**
+     *  Return a new SkMallocPixelRef, automatically allocating storage for the
+     *  pixels. If rowBytes are 0, an optimal value will be chosen automatically.
+     *  If rowBytes is > 0, then it will be respected, or NULL will be returned
+     *  if rowBytes is invalid for the specified info.
+     *
+     *  All pixel bytes are zeroed.
+     *
+     *  Returns NULL on failure.
+     */
+    SK_API sk_sp<SkPixelRef> MakeAllocate(const SkImageInfo&, size_t rowBytes);
+
+    /**
+     *  Return a new SkMallocPixelRef that will use the provided SkData and
+     *  rowBytes as pixel storage.  The SkData will be ref()ed and on
+     *  destruction of the PixelRef, the SkData will be unref()ed.
+     *
+     *  Returns NULL on failure.
+     */
+    SK_API sk_sp<SkPixelRef> MakeWithData(const SkImageInfo&, size_t rowBytes, sk_sp<SkData> data);
+}  // namespace SkMallocPixelRef
+#endif