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1 /* | 1 /* |
2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. | 2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
3 * | 3 * |
4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
8 * | 8 * |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 * Library General Public License for more details. | 12 * Library General Public License for more details. |
13 * | 13 * |
14 * You should have received a copy of the GNU Library General Public License | 14 * You should have received a copy of the GNU Library General Public License |
15 * along with this library; see the file COPYING.LIB. If not, write to | 15 * along with this library; see the file COPYING.LIB. If not, write to |
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 * Boston, MA 02110-1301, USA. | 17 * Boston, MA 02110-1301, USA. |
18 */ | 18 */ |
19 | 19 |
20 #ifndef SVGTextQuery_h | 20 #ifndef SVGTextQuery_h |
21 #define SVGTextQuery_h | 21 #define SVGTextQuery_h |
22 | 22 |
23 #include "core/platform/graphics/FloatRect.h" | 23 #include "core/platform/graphics/FloatRect.h" |
24 #include "core/rendering/svg/SVGTextFragment.h" | 24 #include "core/rendering/svg/SVGTextFragment.h" |
| 25 #include "core/svg/SVGPoint.h" |
25 #include <wtf/Vector.h> | 26 #include <wtf/Vector.h> |
26 | 27 |
27 namespace WebCore { | 28 namespace WebCore { |
28 | 29 |
29 class InlineFlowBox; | 30 class InlineFlowBox; |
30 class RenderObject; | 31 class RenderObject; |
31 class SVGInlineTextBox; | 32 class SVGInlineTextBox; |
32 | 33 |
33 class SVGTextQuery { | 34 class SVGTextQuery { |
34 public: | 35 public: |
35 SVGTextQuery(RenderObject*); | 36 SVGTextQuery(RenderObject*); |
36 | 37 |
37 unsigned numberOfCharacters() const; | 38 unsigned numberOfCharacters() const; |
38 float textLength() const; | 39 float textLength() const; |
39 float subStringLength(unsigned startPosition, unsigned length) const; | 40 float subStringLength(unsigned startPosition, unsigned length) const; |
40 FloatPoint startPositionOfCharacter(unsigned position) const; | 41 FloatPoint startPositionOfCharacter(unsigned position) const; |
41 FloatPoint endPositionOfCharacter(unsigned position) const; | 42 FloatPoint endPositionOfCharacter(unsigned position) const; |
42 float rotationOfCharacter(unsigned position) const; | 43 float rotationOfCharacter(unsigned position) const; |
43 FloatRect extentOfCharacter(unsigned position) const; | 44 FloatRect extentOfCharacter(unsigned position) const; |
44 int characterNumberAtPosition(const FloatPoint&) const; | 45 int characterNumberAtPosition(const SVGPoint&) const; |
45 | 46 |
46 // Public helper struct. Private classes in SVGTextQuery inherit from it. | 47 // Public helper struct. Private classes in SVGTextQuery inherit from it. |
47 struct Data; | 48 struct Data; |
48 | 49 |
49 private: | 50 private: |
50 typedef bool (SVGTextQuery::*ProcessTextFragmentCallback)(Data*, const SVGTe
xtFragment&) const; | 51 typedef bool (SVGTextQuery::*ProcessTextFragmentCallback)(Data*, const SVGTe
xtFragment&) const; |
51 bool executeQuery(Data*, ProcessTextFragmentCallback) const; | 52 bool executeQuery(Data*, ProcessTextFragmentCallback) const; |
52 | 53 |
53 void collectTextBoxesInFlowBox(InlineFlowBox*); | 54 void collectTextBoxesInFlowBox(InlineFlowBox*); |
54 bool mapStartEndPositionsIntoFragmentCoordinates(Data*, const SVGTextFragmen
t&, int& startPosition, int& endPosition) const; | 55 bool mapStartEndPositionsIntoFragmentCoordinates(Data*, const SVGTextFragmen
t&, int& startPosition, int& endPosition) const; |
55 void modifyStartEndPositionsRespectingLigatures(Data*, int& startPosition, i
nt& endPosition) const; | 56 void modifyStartEndPositionsRespectingLigatures(Data*, int& startPosition, i
nt& endPosition) const; |
56 | 57 |
57 private: | 58 private: |
58 bool numberOfCharactersCallback(Data*, const SVGTextFragment&) const; | 59 bool numberOfCharactersCallback(Data*, const SVGTextFragment&) const; |
59 bool textLengthCallback(Data*, const SVGTextFragment&) const; | 60 bool textLengthCallback(Data*, const SVGTextFragment&) const; |
60 bool subStringLengthCallback(Data*, const SVGTextFragment&) const; | 61 bool subStringLengthCallback(Data*, const SVGTextFragment&) const; |
61 bool startPositionOfCharacterCallback(Data*, const SVGTextFragment&) const; | 62 bool startPositionOfCharacterCallback(Data*, const SVGTextFragment&) const; |
62 bool endPositionOfCharacterCallback(Data*, const SVGTextFragment&) const; | 63 bool endPositionOfCharacterCallback(Data*, const SVGTextFragment&) const; |
63 bool rotationOfCharacterCallback(Data*, const SVGTextFragment&) const; | 64 bool rotationOfCharacterCallback(Data*, const SVGTextFragment&) const; |
64 bool extentOfCharacterCallback(Data*, const SVGTextFragment&) const; | 65 bool extentOfCharacterCallback(Data*, const SVGTextFragment&) const; |
65 bool characterNumberAtPositionCallback(Data*, const SVGTextFragment&) const; | 66 bool characterNumberAtPositionCallback(Data*, const SVGTextFragment&) const; |
66 | 67 |
67 private: | 68 private: |
68 Vector<SVGInlineTextBox*> m_textBoxes; | 69 Vector<SVGInlineTextBox*> m_textBoxes; |
69 }; | 70 }; |
70 | 71 |
71 } | 72 } |
72 | 73 |
73 #endif | 74 #endif |
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