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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 #ifndef UI_GFX_RENDER_TEXT_WIN_H_ | 5 #ifndef UI_GFX_RENDER_TEXT_WIN_H_ |
6 #define UI_GFX_RENDER_TEXT_WIN_H_ | 6 #define UI_GFX_RENDER_TEXT_WIN_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <usp10.h> | 9 #include <usp10.h> |
10 | 10 |
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72 virtual SelectionModel LeftEndSelectionModel() OVERRIDE; | 72 virtual SelectionModel LeftEndSelectionModel() OVERRIDE; |
73 virtual SelectionModel RightEndSelectionModel() OVERRIDE; | 73 virtual SelectionModel RightEndSelectionModel() OVERRIDE; |
74 virtual std::vector<Rect> GetSubstringBounds(size_t from, size_t to) OVERRIDE; | 74 virtual std::vector<Rect> GetSubstringBounds(size_t from, size_t to) OVERRIDE; |
75 virtual bool IsCursorablePosition(size_t position) OVERRIDE; | 75 virtual bool IsCursorablePosition(size_t position) OVERRIDE; |
76 virtual void UpdateLayout() OVERRIDE; | 76 virtual void UpdateLayout() OVERRIDE; |
77 | 77 |
78 private: | 78 private: |
79 virtual size_t IndexOfAdjacentGrapheme(size_t index, bool next) OVERRIDE; | 79 virtual size_t IndexOfAdjacentGrapheme(size_t index, bool next) OVERRIDE; |
80 | 80 |
81 void ItemizeLogicalText(); | 81 void ItemizeLogicalText(); |
82 void LayoutVisualText(HDC hdc); | 82 void LayoutVisualText(); |
83 | 83 |
84 // Return the run index that contains the argument; or the length of the | 84 // Return the run index that contains the argument; or the length of the |
85 // |runs_| vector if argument exceeds the text length or width. | 85 // |runs_| vector if argument exceeds the text length or width. |
86 size_t GetRunContainingPosition(size_t position) const; | 86 size_t GetRunContainingPosition(size_t position) const; |
87 size_t GetRunContainingPoint(const Point& point) const; | 87 size_t GetRunContainingPoint(const Point& point) const; |
88 | 88 |
89 // Given a |run|, returns the SelectionModel that contains the logical first | 89 // Given a |run|, returns the SelectionModel that contains the logical first |
90 // or last caret position inside (not at a boundary of) the run. | 90 // or last caret position inside (not at a boundary of) the run. |
91 // The returned value represents a cursor/caret position without a selection. | 91 // The returned value represents a cursor/caret position without a selection. |
92 SelectionModel FirstSelectionModelInsideRun(internal::TextRun*); | 92 SelectionModel FirstSelectionModelInsideRun(internal::TextRun*); |
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118 | 118 |
119 scoped_array<int> visual_to_logical_; | 119 scoped_array<int> visual_to_logical_; |
120 scoped_array<int> logical_to_visual_; | 120 scoped_array<int> logical_to_visual_; |
121 | 121 |
122 DISALLOW_COPY_AND_ASSIGN(RenderTextWin); | 122 DISALLOW_COPY_AND_ASSIGN(RenderTextWin); |
123 }; | 123 }; |
124 | 124 |
125 } // namespace gfx | 125 } // namespace gfx |
126 | 126 |
127 #endif // UI_GFX_RENDER_TEXT_WIN_H_ | 127 #endif // UI_GFX_RENDER_TEXT_WIN_H_ |
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