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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "core/style/BorderEdge.h" | 5 #include "core/style/BorderEdge.h" |
6 | 6 |
7 namespace blink { | 7 namespace blink { |
8 | 8 |
9 BorderEdge::BorderEdge(int edgeWidth, | 9 BorderEdge::BorderEdge(float edgeWidth, |
10 const Color& edgeColor, | 10 const Color& edgeColor, |
11 EBorderStyle edgeStyle, | 11 EBorderStyle edgeStyle, |
12 bool edgeIsPresent) | 12 bool edgeIsPresent) |
13 : width(edgeWidth), | 13 : color(edgeColor), |
14 color(edgeColor), | |
15 isPresent(edgeIsPresent), | 14 isPresent(edgeIsPresent), |
16 style(edgeStyle) { | 15 style(edgeStyle), |
| 16 m_width(edgeWidth) { |
17 if (style == BorderStyleDouble && edgeWidth < 3) | 17 if (style == BorderStyleDouble && edgeWidth < 3) |
18 style = BorderStyleSolid; | 18 style = BorderStyleSolid; |
19 } | 19 } |
20 | 20 |
21 BorderEdge::BorderEdge() | 21 BorderEdge::BorderEdge() : isPresent(false), style(BorderStyleHidden) {} |
22 : width(0), isPresent(false), style(BorderStyleHidden) {} | |
23 | 22 |
24 bool BorderEdge::hasVisibleColorAndStyle() const { | 23 bool BorderEdge::hasVisibleColorAndStyle() const { |
25 return style > BorderStyleHidden && color.alpha() > 0; | 24 return style > BorderStyleHidden && color.alpha() > 0; |
26 } | 25 } |
27 | 26 |
28 bool BorderEdge::shouldRender() const { | 27 bool BorderEdge::shouldRender() const { |
29 return isPresent && width && hasVisibleColorAndStyle(); | 28 return isPresent && m_width && hasVisibleColorAndStyle(); |
30 } | 29 } |
31 | 30 |
32 bool BorderEdge::presentButInvisible() const { | 31 bool BorderEdge::presentButInvisible() const { |
33 return usedWidth() && !hasVisibleColorAndStyle(); | 32 return usedWidth() && !hasVisibleColorAndStyle(); |
34 } | 33 } |
35 | 34 |
36 bool BorderEdge::obscuresBackgroundEdge() const { | 35 bool BorderEdge::obscuresBackgroundEdge() const { |
37 if (!isPresent || color.hasAlpha() || style == BorderStyleHidden) | 36 if (!isPresent || color.hasAlpha() || style == BorderStyleHidden) |
38 return false; | 37 return false; |
39 | 38 |
40 if (style == BorderStyleDotted || style == BorderStyleDashed) | 39 if (style == BorderStyleDotted || style == BorderStyleDashed) |
41 return false; | 40 return false; |
42 | 41 |
43 return true; | 42 return true; |
44 } | 43 } |
45 | 44 |
46 bool BorderEdge::obscuresBackground() const { | 45 bool BorderEdge::obscuresBackground() const { |
47 if (!isPresent || color.hasAlpha() || style == BorderStyleHidden) | 46 if (!isPresent || color.hasAlpha() || style == BorderStyleHidden) |
48 return false; | 47 return false; |
49 | 48 |
50 if (style == BorderStyleDotted || style == BorderStyleDashed || | 49 if (style == BorderStyleDotted || style == BorderStyleDashed || |
51 style == BorderStyleDouble) | 50 style == BorderStyleDouble) |
52 return false; | 51 return false; |
53 | 52 |
54 return true; | 53 return true; |
55 } | 54 } |
56 | 55 |
57 int BorderEdge::usedWidth() const { | 56 float BorderEdge::usedWidth() const { |
58 return isPresent ? width : 0; | 57 return isPresent ? m_width : 0; |
59 } | 58 } |
60 | 59 |
61 int BorderEdge::getDoubleBorderStripeWidth(DoubleBorderStripe stripe) const { | 60 float BorderEdge::getDoubleBorderStripeWidth(DoubleBorderStripe stripe) const { |
62 ASSERT(stripe == DoubleBorderStripeOuter || | 61 ASSERT(stripe == DoubleBorderStripeOuter || |
63 stripe == DoubleBorderStripeInner); | 62 stripe == DoubleBorderStripeInner); |
64 | 63 |
65 // We need certain integer rounding results. | 64 return roundf(stripe == DoubleBorderStripeOuter ? usedWidth() / 3 |
66 return stripe == DoubleBorderStripeOuter ? (usedWidth() + 1) / 3 | 65 : (usedWidth() * 2) / 3); |
67 : (usedWidth() * 2 + 1) / 3; | |
68 } | 66 } |
69 | 67 |
70 bool BorderEdge::sharesColorWith(const BorderEdge& other) const { | 68 bool BorderEdge::sharesColorWith(const BorderEdge& other) const { |
71 return color == other.color; | 69 return color == other.color; |
72 } | 70 } |
73 | 71 |
74 } // namespace blink | 72 } // namespace blink |
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