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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/gfx/skia_utils.h" | 5 #include "skia/ext/skia_utils_win.h" |
6 | 6 |
7 #include "base/logging.h" | |
8 #include "SkRect.h" | 7 #include "SkRect.h" |
9 #include "SkGradientShader.h" | 8 #include "SkGradientShader.h" |
10 | 9 |
11 namespace { | 10 namespace skia { |
12 | |
13 COMPILE_ASSERT(offsetof(RECT, left) == offsetof(SkIRect, fLeft), o1); | |
14 COMPILE_ASSERT(offsetof(RECT, top) == offsetof(SkIRect, fTop), o2); | |
15 COMPILE_ASSERT(offsetof(RECT, right) == offsetof(SkIRect, fRight), o3); | |
16 COMPILE_ASSERT(offsetof(RECT, bottom) == offsetof(SkIRect, fBottom), o4); | |
17 COMPILE_ASSERT(sizeof(RECT().left) == sizeof(SkIRect().fLeft), o5); | |
18 COMPILE_ASSERT(sizeof(RECT().top) == sizeof(SkIRect().fTop), o6); | |
19 COMPILE_ASSERT(sizeof(RECT().right) == sizeof(SkIRect().fRight), o7); | |
20 COMPILE_ASSERT(sizeof(RECT().bottom) == sizeof(SkIRect().fBottom), o8); | |
21 COMPILE_ASSERT(sizeof(RECT) == sizeof(SkIRect), o9); | |
22 | |
23 } // namespace | |
24 | |
25 namespace gfx { | |
26 | |
27 POINT SkPointToPOINT(const SkPoint& point) { | |
28 POINT win_point = { SkScalarRound(point.fX), SkScalarRound(point.fY) }; | |
29 return win_point; | |
30 } | |
31 | |
32 SkRect RECTToSkRect(const RECT& rect) { | |
33 SkRect sk_rect = { SkIntToScalar(rect.left), SkIntToScalar(rect.top), | |
34 SkIntToScalar(rect.right), SkIntToScalar(rect.bottom) }; | |
35 return sk_rect; | |
36 } | |
37 | 11 |
38 SkShader* CreateGradientShader(int start_point, | 12 SkShader* CreateGradientShader(int start_point, |
39 int end_point, | 13 int end_point, |
40 SkColor start_color, | 14 SkColor start_color, |
41 SkColor end_color) { | 15 SkColor end_color) { |
42 SkColor grad_colors[2] = { start_color, end_color}; | 16 SkColor grad_colors[2] = { start_color, end_color}; |
43 SkPoint grad_points[2]; | 17 SkPoint grad_points[2]; |
44 grad_points[0].set(SkIntToScalar(0), SkIntToScalar(start_point)); | 18 grad_points[0].set(SkIntToScalar(0), SkIntToScalar(start_point)); |
45 grad_points[1].set(SkIntToScalar(0), SkIntToScalar(end_point)); | 19 grad_points[1].set(SkIntToScalar(0), SkIntToScalar(end_point)); |
46 | 20 |
47 return SkGradientShader::CreateLinear( | 21 return SkGradientShader::CreateLinear( |
48 grad_points, grad_colors, NULL, 2, SkShader::kRepeat_TileMode); | 22 grad_points, grad_colors, NULL, 2, SkShader::kRepeat_TileMode); |
49 } | 23 } |
50 | 24 |
| 25 } // namespace skia |
51 | 26 |
52 SkColor COLORREFToSkColor(COLORREF color) { | |
53 #ifndef _MSC_VER | |
54 return SkColorSetRGB(GetRValue(color), GetGValue(color), GetBValue(color)); | |
55 #else | |
56 // ARGB = 0xFF000000 | ((0BGR -> RGB0) >> 8) | |
57 return 0xFF000000u | (_byteswap_ulong(color) >> 8); | |
58 #endif | |
59 } | |
60 | |
61 COLORREF SkColorToCOLORREF(SkColor color) { | |
62 // Currently, Alpha is always 255 or the color is 0 so there is no need to | |
63 // demultiply the channels. If this DCHECK() is ever hit, the full | |
64 // (SkColorGetX(color) * 255 / a) will have to be added in the conversion. | |
65 DCHECK((0xFF == SkColorGetA(color)) || (0 == color)); | |
66 #ifndef _MSC_VER | |
67 return RGB(SkColorGetR(color), SkColorGetG(color), SkColorGetB(color)); | |
68 #else | |
69 // 0BGR = ((ARGB -> BGRA) >> 8) | |
70 return (_byteswap_ulong(color) >> 8); | |
71 #endif | |
72 } | |
73 | |
74 } // namespace gfx | |
75 | |
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