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1 // Copyright (c) 2010 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 #include "gfx/skia_util.h" | |
6 | |
7 #include "gfx/rect.h" | |
8 #include "third_party/skia/include/core/SkBitmap.h" | |
9 #include "third_party/skia/include/core/SkColorPriv.h" | |
10 #include "third_party/skia/include/core/SkShader.h" | |
11 #include "third_party/skia/include/effects/SkGradientShader.h" | |
12 | |
13 namespace gfx { | |
14 | |
15 SkRect RectToSkRect(const gfx::Rect& rect) { | |
16 SkRect r; | |
17 r.set(SkIntToScalar(rect.x()), SkIntToScalar(rect.y()), | |
18 SkIntToScalar(rect.right()), SkIntToScalar(rect.bottom())); | |
19 return r; | |
20 } | |
21 | |
22 gfx::Rect SkRectToRect(const SkRect& rect) { | |
23 return gfx::Rect(SkScalarToFixed(rect.fLeft), | |
24 SkScalarToFixed(rect.fTop), | |
25 SkScalarToFixed(rect.width()), | |
26 SkScalarToFixed(rect.height())); | |
27 } | |
28 | |
29 SkShader* CreateGradientShader(int start_point, | |
30 int end_point, | |
31 SkColor start_color, | |
32 SkColor end_color) { | |
33 SkColor grad_colors[2] = { start_color, end_color}; | |
34 SkPoint grad_points[2]; | |
35 grad_points[0].set(SkIntToScalar(0), SkIntToScalar(start_point)); | |
36 grad_points[1].set(SkIntToScalar(0), SkIntToScalar(end_point)); | |
37 | |
38 return SkGradientShader::CreateLinear( | |
39 grad_points, grad_colors, NULL, 2, SkShader::kRepeat_TileMode); | |
40 } | |
41 | |
42 bool BitmapsAreEqual(const SkBitmap& bitmap1, const SkBitmap& bitmap2) { | |
43 void* addr1 = NULL; | |
44 void* addr2 = NULL; | |
45 size_t size1 = 0; | |
46 size_t size2 = 0; | |
47 | |
48 bitmap1.lockPixels(); | |
49 addr1 = bitmap1.getAddr32(0, 0); | |
50 size1 = bitmap1.getSize(); | |
51 bitmap1.unlockPixels(); | |
52 | |
53 bitmap2.lockPixels(); | |
54 addr2 = bitmap2.getAddr32(0, 0); | |
55 size2 = bitmap2.getSize(); | |
56 bitmap2.unlockPixels(); | |
57 | |
58 return (size1 == size2) && (0 == memcmp(addr1, addr2, bitmap1.getSize())); | |
59 } | |
60 | |
61 } // namespace gfx | |
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