Add base to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@8 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 80 insertions, 0 deletions

diff --git a/base/gfx/skia_utils.h b/base/gfx/skia_utils.h
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+++ b/base/gfx/skia_utils.h
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef BASE_GFX_SKIA_UTILS_H__
+#define BASE_GFX_SKIA_UTILS_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