license.bot | f003cfe | 2008-08-24 09:55:55 +0900 | [diff] [blame^] | 1 | // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 4 | |
| 5 | #ifndef BASE_GFX_SKIA_UTILS_H__ |
| 6 | #define BASE_GFX_SKIA_UTILS_H__ |
| 7 | |
| 8 | #include "SkColor.h" |
| 9 | #include "SkShader.h" |
| 10 | |
| 11 | struct SkIRect; |
| 12 | struct SkPoint; |
| 13 | struct SkRect; |
| 14 | typedef unsigned long DWORD; |
| 15 | typedef DWORD COLORREF; |
| 16 | typedef struct tagPOINT POINT; |
| 17 | typedef struct tagRECT RECT; |
| 18 | |
| 19 | namespace gfx { |
| 20 | |
| 21 | // Converts a Skia point to a Windows POINT. |
| 22 | POINT SkPointToPOINT(const SkPoint& point); |
| 23 | |
| 24 | // Converts a Windows RECT to a Skia rect. |
| 25 | SkRect RECTToSkRect(const RECT& rect); |
| 26 | |
| 27 | // Converts a Windows RECT to a Skia rect. |
| 28 | // Both use same in-memory format. Verified by COMPILE_ASSERT() in |
| 29 | // skia_utils.cc. |
| 30 | inline const SkIRect& RECTToSkIRect(const RECT& rect) { |
| 31 | return reinterpret_cast<const SkIRect&>(rect); |
| 32 | } |
| 33 | |
| 34 | // Converts a Skia rect to a Windows RECT. |
| 35 | // Both use same in-memory format. Verified by COMPILE_ASSERT() in |
| 36 | // skia_utils.cc. |
| 37 | inline const RECT& SkIRectToRECT(const SkIRect& rect) { |
| 38 | return reinterpret_cast<const RECT&>(rect); |
| 39 | } |
| 40 | |
| 41 | // Creates a vertical gradient shader. The caller owns the shader. |
| 42 | SkShader* CreateGradientShader(int start_point, |
| 43 | int end_point, |
| 44 | SkColor start_color, |
| 45 | SkColor end_color); |
| 46 | |
| 47 | // Converts COLORREFs (0BGR) to the ARGB layout Skia expects. |
| 48 | SkColor COLORREFToSkColor(COLORREF color); |
| 49 | |
| 50 | // Converts ARGB to COLORREFs (0BGR). |
| 51 | COLORREF SkColorToCOLORREF(SkColor color); |
| 52 | |
| 53 | } // namespace gfx |
| 54 | |
| 55 | #endif |
license.bot | f003cfe | 2008-08-24 09:55:55 +0900 | [diff] [blame^] | 56 | |