Index: chrome/common/bitmap_wire_data.h |
=================================================================== |
--- chrome/common/bitmap_wire_data.h (revision 0) |
+++ chrome/common/bitmap_wire_data.h (revision 0) |
@@ -0,0 +1,35 @@ |
+// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef CHROME_COMMON_BITMAP_WIRE_DATA_H_ |
+#define CHROME_COMMON_BITMAP_WIRE_DATA_H_ |
+ |
+#if defined(OS_POSIX) |
+class SkBitmap; |
+#endif |
+ |
+// BitmapWireData is the type of the bitmap data which is carried from renderer |
+// to browser over the wire. |
+ |
+#if defined(OS_WIN) |
+ |
+// On Windows, the bitmap data is carried out-of-band in a shared memory |
+// segment. This is the handle to the shared memory. These handles are valid |
+// only in the context of the renderer process. |
+// TODO(agl): get a clarification on that last sentence. It doesn't make any |
+// sense to me |
+typedef HANDLE BitmapWireData; |
+ |
+#elif defined(OS_POSIX) |
+ |
+// On POSIX, we currently serialise the bitmap data over the wire. This will |
+// change at some point when we too start using shared memory, but we wish to |
+// use shared memory in a different way so this is a temporary work-around. |
+// TODO(port): implement drawing with shared backing stores and replace this |
+// with an IPC no-op type. |
+typedef SkBitmap BitmapWireData; |
+ |
+#endif // defined(OS_WIN) |
+ |
+#endif // CHROME_COMMON_BITMAP_WIRE_DATA_H_ |