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Side by Side Diff: base/gfx/skia_utils.h

Issue 12842: Move convolver, image_operations, and skia_utils from base/gfx to skia/ext.... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 12 years ago
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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.
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
56
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