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1 /* | 1 /* |
2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) |
3 * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All r
ight reserved. | 3 * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All r
ight reserved. |
4 * Copyright (C) 2010 Google Inc. All rights reserved. | 4 * Copyright (C) 2010 Google Inc. All rights reserved. |
5 * | 5 * |
6 * This library is free software; you can redistribute it and/or | 6 * This library is free software; you can redistribute it and/or |
7 * modify it under the terms of the GNU Library General Public | 7 * modify it under the terms of the GNU Library General Public |
8 * License as published by the Free Software Foundation; either | 8 * License as published by the Free Software Foundation; either |
9 * version 2 of the License, or (at your option) any later version. | 9 * version 2 of the License, or (at your option) any later version. |
10 * | 10 * |
11 * This library is distributed in the hope that it will be useful, | 11 * This library is distributed in the hope that it will be useful, |
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 * Library General Public License for more details. | 14 * Library General Public License for more details. |
15 * | 15 * |
16 * You should have received a copy of the GNU Library General Public License | 16 * You should have received a copy of the GNU Library General Public License |
17 * along with this library; see the file COPYING.LIB. If not, write to | 17 * along with this library; see the file COPYING.LIB. If not, write to |
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
19 * Boston, MA 02110-1301, USA. | 19 * Boston, MA 02110-1301, USA. |
20 * | 20 * |
21 */ | 21 */ |
22 | 22 |
23 #ifndef LineBreaker_h | 23 #ifndef LineBreaker_h |
24 #define LineBreaker_h | 24 #define LineBreaker_h |
25 | 25 |
26 #include "core/rendering/InlineIterator.h" | 26 #include "core/rendering/InlineIterator.h" |
27 #include "core/rendering/line/LineInfo.h" | 27 #include "core/rendering/line/LineInfo.h" |
28 #include "platform/text/TextBreakIterator.h" | |
29 #include "wtf/Vector.h" | 28 #include "wtf/Vector.h" |
30 | 29 |
31 namespace WebCore { | 30 namespace WebCore { |
32 | 31 |
33 enum WhitespacePosition { LeadingWhitespace, TrailingWhitespace }; | 32 enum WhitespacePosition { LeadingWhitespace, TrailingWhitespace }; |
34 | 33 |
35 class RenderText; | 34 struct RenderTextInfo; |
36 | |
37 struct RenderTextInfo { | |
38 RenderTextInfo(); | |
39 ~RenderTextInfo(); | |
40 | |
41 RenderText* m_text; | |
42 LazyLineBreakIterator m_lineBreakIterator; | |
43 const Font* m_font; | |
44 }; | |
45 | 35 |
46 class LineBreaker { | 36 class LineBreaker { |
47 public: | 37 public: |
48 friend class BreakingContext; | 38 friend class BreakingContext; |
49 LineBreaker(RenderBlockFlow* block) | 39 LineBreaker(RenderBlockFlow* block) |
50 : m_block(block) | 40 : m_block(block) |
51 { | 41 { |
52 reset(); | 42 reset(); |
53 } | 43 } |
54 | 44 |
55 InlineIterator nextLineBreak(InlineBidiResolver&, LineInfo&, RenderTextInfo&
, FloatingObject* lastFloatFromPreviousLine, unsigned consecutiveHyphenatedLines
, WordMeasurements&); | 45 InlineIterator nextLineBreak(InlineBidiResolver&, LineInfo&, RenderTextInfo&
, FloatingObject* lastFloatFromPreviousLine, unsigned consecutiveHyphenatedLines
, WordMeasurements&); |
56 | 46 |
57 bool lineWasHyphenated() { return m_hyphenated; } | 47 bool lineWasHyphenated() { return m_hyphenated; } |
58 const Vector<RenderBox*>& positionedObjects() { return m_positionedObjects;
} | 48 const Vector<RenderBox*>& positionedObjects() { return m_positionedObjects;
} |
59 EClear clear() { return m_clear; } | 49 EClear clear() { return m_clear; } |
60 private: | 50 private: |
61 void reset(); | 51 void reset(); |
62 | 52 |
63 void skipLeadingWhitespace(InlineBidiResolver&, LineInfo&, FloatingObject* l
astFloatFromPreviousLine, LineWidth&); | 53 void skipLeadingWhitespace(InlineBidiResolver&, LineInfo&, FloatingObject* l
astFloatFromPreviousLine, LineWidth&); |
64 | 54 |
65 RenderBlockFlow* m_block; | 55 RenderBlockFlow* m_block; |
66 bool m_hyphenated; | 56 bool m_hyphenated; |
67 EClear m_clear; | 57 EClear m_clear; |
68 Vector<RenderBox*> m_positionedObjects; | 58 Vector<RenderBox*> m_positionedObjects; |
69 }; | 59 }; |
70 | 60 |
71 } | 61 } |
72 | 62 |
73 #endif // LineBreaker_h | 63 #endif // LineBreaker_h |
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