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1 /* | 1 /* |
2 * Copyright (C) 2010 Apple Inc. All rights reserved. | 2 * Copyright (C) 2010 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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26 #ifndef FontOrientation_h | 26 #ifndef FontOrientation_h |
27 #define FontOrientation_h | 27 #define FontOrientation_h |
28 | 28 |
29 #include "platform/text/Character.h" | 29 #include "platform/text/Character.h" |
30 | 30 |
31 namespace blink { | 31 namespace blink { |
32 | 32 |
33 enum class FontOrientation { | 33 enum class FontOrientation { |
34 // Horizontal; i.e., writing-mode: horizontal-tb | 34 // Horizontal; i.e., writing-mode: horizontal-tb |
35 Horizontal = 0, | 35 Horizontal = 0, |
36 // Baseline is vertical but use rotated horizontal typography; i.e., writing-m
ode: vertical-*; text-orientation: sideways-* | 36 // Baseline is vertical but use rotated horizontal typography; |
| 37 // i.e., writing-mode: vertical-*; text-orientation: sideways-* |
37 VerticalRotated = 1, | 38 VerticalRotated = 1, |
38 // Vertical with upright CJK and rotated non-CJK; i.e., writing-mode: vertical
-*, text-orientation: mixed | 39 // Vertical with upright CJK and rotated non-CJK; |
| 40 // i.e., writing-mode: vertical-*, text-orientation: mixed |
39 VerticalMixed = 2, | 41 VerticalMixed = 2, |
40 // Vertical with all upright; i.e., writing-mode: vertical-*, text-orientation
: upright | 42 // Vertical with all upright; |
| 43 // i.e., writing-mode: vertical-*, text-orientation: upright |
41 VerticalUpright = 3, | 44 VerticalUpright = 3, |
42 | 45 |
43 BitCount = 2, | 46 BitCount = 2, |
44 | 47 |
45 AnyUprightMask = 2, | 48 AnyUprightMask = 2, |
46 }; | 49 }; |
47 | 50 |
48 inline bool operator&(FontOrientation value, FontOrientation mask) { | 51 inline bool operator&(FontOrientation value, FontOrientation mask) { |
49 return static_cast<unsigned>(value) & static_cast<unsigned>(mask); | 52 return static_cast<unsigned>(value) & static_cast<unsigned>(mask); |
50 } | 53 } |
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69 if (orientation != FontOrientation::VerticalMixed) | 72 if (orientation != FontOrientation::VerticalMixed) |
70 return orientation; | 73 return orientation; |
71 return Character::isUprightInMixedVertical(character) | 74 return Character::isUprightInMixedVertical(character) |
72 ? FontOrientation::VerticalUpright | 75 ? FontOrientation::VerticalUpright |
73 : FontOrientation::VerticalRotated; | 76 : FontOrientation::VerticalRotated; |
74 } | 77 } |
75 | 78 |
76 } // namespace blink | 79 } // namespace blink |
77 | 80 |
78 #endif // FontOrientation_h | 81 #endif // FontOrientation_h |
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