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Side by Side Diff: ui/gfx/render_text.h

Issue 7569005: Rename UI_API to UI_EXPORT. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 9 years, 4 months ago
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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_H_ 5 #ifndef UI_GFX_RENDER_TEXT_H_
6 #define UI_GFX_RENDER_TEXT_H_ 6 #define UI_GFX_RENDER_TEXT_H_
7 #pragma once 7 #pragma once
8 8
9 #include <algorithm> 9 #include <algorithm>
10 #include <vector> 10 #include <vector>
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30 // before dogfooding textfield views. 30 // before dogfooding textfield views.
31 const SkColor kSelectedTextColor = SK_ColorWHITE; 31 const SkColor kSelectedTextColor = SK_ColorWHITE;
32 const SkColor kFocusedSelectionColor = SK_ColorCYAN; 32 const SkColor kFocusedSelectionColor = SK_ColorCYAN;
33 const SkColor kUnfocusedSelectionColor = SK_ColorLTGRAY; 33 const SkColor kUnfocusedSelectionColor = SK_ColorLTGRAY;
34 const SkColor kCursorColor = SK_ColorBLACK; 34 const SkColor kCursorColor = SK_ColorBLACK;
35 35
36 class Canvas; 36 class Canvas;
37 class RenderTextTest; 37 class RenderTextTest;
38 38
39 // A visual style applicable to a range of text. 39 // A visual style applicable to a range of text.
40 struct UI_API StyleRange { 40 struct UI_EXPORT StyleRange {
41 StyleRange(); 41 StyleRange();
42 42
43 Font font; 43 Font font;
44 SkColor foreground; 44 SkColor foreground;
45 bool strike; 45 bool strike;
46 bool underline; 46 bool underline;
47 ui::Range range; 47 ui::Range range;
48 }; 48 };
49 49
50 typedef std::vector<StyleRange> StyleRanges; 50 typedef std::vector<StyleRange> StyleRanges;
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77 // Pointing to the right half of 'c' displays the cursor right of 'c' as 77 // Pointing to the right half of 'c' displays the cursor right of 'c' as
78 // "abc|FED". 78 // "abc|FED".
79 // Pointing to the right half of 'D' displays the cursor right of 'D' as 79 // Pointing to the right half of 'D' displays the cursor right of 'D' as
80 // "abcFED|". 80 // "abcFED|".
81 // So, besides the logical selection start point and end point, we need extra 81 // So, besides the logical selection start point and end point, we need extra
82 // information to specify to which character and on which edge of the character 82 // information to specify to which character and on which edge of the character
83 // the visual cursor is bound to. For example, the visual cursor is bound to 83 // the visual cursor is bound to. For example, the visual cursor is bound to
84 // the trailing side of the 2nd character 'c' when pointing to right half of 84 // the trailing side of the 2nd character 'c' when pointing to right half of
85 // 'c'. And it is bound to the leading edge of the 3rd character 'D' when 85 // 'c'. And it is bound to the leading edge of the 3rd character 'D' when
86 // pointing to right of 'D'. 86 // pointing to right of 'D'.
87 class UI_API SelectionModel { 87 class UI_EXPORT SelectionModel {
88 public: 88 public:
89 enum CaretPlacement { 89 enum CaretPlacement {
90 // PREVIOUS_GRAPHEME_TRAILING means cursor is visually attached to the 90 // PREVIOUS_GRAPHEME_TRAILING means cursor is visually attached to the
91 // trailing edge of previous grapheme. 91 // trailing edge of previous grapheme.
92 PREVIOUS_GRAPHEME_TRAILING, 92 PREVIOUS_GRAPHEME_TRAILING,
93 LEADING, 93 LEADING,
94 TRAILING, 94 TRAILING,
95 }; 95 };
96 96
97 SelectionModel(); 97 SelectionModel();
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135 // The visual placement of the cursor, relative to its associated character. 135 // The visual placement of the cursor, relative to its associated character.
136 CaretPlacement caret_placement_; 136 CaretPlacement caret_placement_;
137 }; 137 };
138 138
139 // TODO(msw): Implement RenderText[Win|Linux] for Uniscribe/Pango BiDi... 139 // TODO(msw): Implement RenderText[Win|Linux] for Uniscribe/Pango BiDi...
140 140
141 // RenderText represents an abstract model of styled text and its corresponding 141 // RenderText represents an abstract model of styled text and its corresponding
142 // visual layout. Support is built in for a cursor, a selection, simple styling, 142 // visual layout. Support is built in for a cursor, a selection, simple styling,
143 // complex scripts, and bi-directional text. Implementations provide mechanisms 143 // complex scripts, and bi-directional text. Implementations provide mechanisms
144 // for rendering and translation between logical and visual data. 144 // for rendering and translation between logical and visual data.
145 class UI_API RenderText { 145 class UI_EXPORT RenderText {
146 public: 146 public:
147 virtual ~RenderText(); 147 virtual ~RenderText();
148 148
149 // Creates a platform-specific RenderText instance. 149 // Creates a platform-specific RenderText instance.
150 static RenderText* CreateRenderText(); 150 static RenderText* CreateRenderText();
151 151
152 const string16& text() const { return text_; } 152 const string16& text() const { return text_; }
153 virtual void SetText(const string16& text); 153 virtual void SetText(const string16& text);
154 154
155 const SelectionModel& selection_model() const { return selection_model_; } 155 const SelectionModel& selection_model() const { return selection_model_; }
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321 Rect display_rect_; 321 Rect display_rect_;
322 // The offset for the text to be drawn, relative to the display area. 322 // The offset for the text to be drawn, relative to the display area.
323 Point display_offset_; 323 Point display_offset_;
324 324
325 DISALLOW_COPY_AND_ASSIGN(RenderText); 325 DISALLOW_COPY_AND_ASSIGN(RenderText);
326 }; 326 };
327 327
328 } // namespace gfx 328 } // namespace gfx
329 329
330 #endif // UI_GFX_RENDER_TEXT_H_ 330 #endif // UI_GFX_RENDER_TEXT_H_
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