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Diffstat (limited to 'base/gfx/skia_utils.h')
-rw-r--r-- | base/gfx/skia_utils.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/base/gfx/skia_utils.h b/base/gfx/skia_utils.h new file mode 100644 index 0000000..8509072 --- /dev/null +++ b/base/gfx/skia_utils.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_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 + |