Move base/gfx/skia_util to skia/ext/skia_util_win.

In a later pass, I will separate off the cross-platform part of this file into skia/ext/skia_util (only one function).
Review URL: http://codereview.chromium.org/13101

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@6306 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 56 insertions, 0 deletions

diff --git a/skia/ext/skia_utils_win.h b/skia/ext/skia_utils_win.h
new file mode 100644
index 0000000..4ad7910
--- /dev/null
+++ b/skia/ext/skia_utils_win.h
@@ -0,0 +1,56 @@
+// 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 BASE_GFX_SKIA_UTILS_WIN_H_
+#define BASE_GFX_SKIA_UTILS_WIN_H_
+
+#include "SkColor.h"
+#include "SkShader.h"
+
+struct SkIRect;
+struct SkPoint;
+struct SkRect;
+typedef unsigned long DWORD;
+typedef DWORD COLORREF;
+typedef struct tagPOINT POINT;
+typedef struct tagRECT RECT;
+
+namespace gfx {
+
+// Converts a Skia point to a Windows POINT.
+POINT SkPointToPOINT(const SkPoint& point);
+
+// Converts a Windows RECT to a Skia rect.
+SkRect RECTToSkRect(const RECT& rect);
+
+// Converts a Windows RECT to a Skia rect.
+// Both use same in-memory format. Verified by COMPILE_ASSERT() in
+// skia_utils.cc.
+inline const SkIRect& RECTToSkIRect(const RECT& rect) {
+  return reinterpret_cast<const SkIRect&>(rect);
+}
+
+// Converts a Skia rect to a Windows RECT.
+// Both use same in-memory format. Verified by COMPILE_ASSERT() in
+// skia_utils.cc.
+inline const RECT& SkIRectToRECT(const SkIRect& rect) {
+  return reinterpret_cast<const RECT&>(rect);
+}
+
+// Creates a vertical gradient shader. The caller owns the shader.
+SkShader* CreateGradientShader(int start_point,
+                               int end_point,
+                               SkColor start_color,
+                               SkColor end_color);
+
+// Converts COLORREFs (0BGR) to the ARGB layout Skia expects.
+SkColor COLORREFToSkColor(COLORREF color);
+
+// Converts ARGB to COLORREFs (0BGR).
+COLORREF SkColorToCOLORREF(SkColor color);
+
+}  // namespace gfx
+
+#endif  // SKIA_EXT_SKIA_UTILS_WIN_H_
+