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Side by Side Diff: Source/core/layout/LayoutTextCombine.h

Issue 940373003: Rename RenderText to LayoutText (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Created 5 years, 9 months ago
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1 /* 1 /*
2 * Copyright (C) 2011 Apple Inc. All rights reserved. 2 * Copyright (C) 2011 Apple Inc. 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 20
21 #ifndef RenderCombineText_h 21 #ifndef LayoutTextCombine_h
22 #define RenderCombineText_h 22 #define LayoutTextCombine_h
23 23
24 #include "core/rendering/RenderText.h" 24 #include "core/layout/LayoutText.h"
25 #include "platform/fonts/Font.h" 25 #include "platform/fonts/Font.h"
26 26
27 namespace blink { 27 namespace blink {
28 28
29 // RenderCombineText uses different coordinate systems for layout and inlineText Box, 29 // LayoutTextCombine uses different coordinate systems for layout and inlineText Box,
30 // because it is treated as 1em-box character in vertical flow for the layout, 30 // because it is treated as 1em-box character in vertical flow for the layout,
31 // while its inline box is in horizontal flow. 31 // while its inline box is in horizontal flow.
32 class RenderCombineText final : public RenderText { 32 class LayoutTextCombine final : public LayoutText {
33 public: 33 public:
34 RenderCombineText(Node*, PassRefPtr<StringImpl>); 34 LayoutTextCombine(Node*, PassRefPtr<StringImpl>);
35 35
36 void updateFont(); 36 void updateFont();
37 bool isCombined() const { return m_isCombined; } 37 bool isCombined() const { return m_isCombined; }
38 float combinedTextWidth(const Font& font) const { return font.fontDescriptio n().computedSize(); } 38 float combinedTextWidth(const Font& font) const { return font.fontDescriptio n().computedSize(); }
39 const Font& originalFont() const { return parent()->style()->font(); } 39 const Font& originalFont() const { return parent()->style()->font(); }
40 void transformToInlineCoordinates(GraphicsContext&, const FloatRect& boxRect ) const; 40 void transformToInlineCoordinates(GraphicsContext&, const FloatRect& boxRect ) const;
41 void transformLayoutRect(FloatRect& boxRect) const; 41 void transformLayoutRect(FloatRect& boxRect) const;
42 float inlineWidthForLayout() const; 42 float inlineWidthForLayout() const;
43 43
44 private: 44 private:
45 virtual bool isCombineText() const override { return true; } 45 virtual bool isCombineText() const override { return true; }
46 virtual float width(unsigned from, unsigned length, const Font&, float xPosi tion, TextDirection, HashSet<const SimpleFontData*>* fallbackFonts = 0, GlyphOve rflow* = 0) const override; 46 virtual float width(unsigned from, unsigned length, const Font&, float xPosi tion, TextDirection, HashSet<const SimpleFontData*>* fallbackFonts = 0, GlyphOve rflow* = 0) const override;
47 virtual const char* renderName() const override { return "RenderCombineText" ; } 47 virtual const char* renderName() const override { return "RenderCombineText" ; }
48 virtual void styleDidChange(StyleDifference, const LayoutStyle* oldStyle) ov erride; 48 virtual void styleDidChange(StyleDifference, const LayoutStyle* oldStyle) ov erride;
49 virtual void setTextInternal(PassRefPtr<StringImpl>) override; 49 virtual void setTextInternal(PassRefPtr<StringImpl>) override;
50 void updateIsCombined(); 50 void updateIsCombined();
51 51
52 float offsetX(const FloatRect& boxRect) const; 52 float offsetX(const FloatRect& boxRect) const;
53 float offsetXNoScale(const FloatRect& boxRect) const; 53 float offsetXNoScale(const FloatRect& boxRect) const;
54 float offsetY() const { return style()->font().fontDescription().computedPix elSize(); } 54 float offsetY() const { return style()->font().fontDescription().computedPix elSize(); }
55 55
56 float m_combinedTextWidth; 56 float m_combinedTextWidth;
57 float m_scaleX; 57 float m_scaleX;
58 bool m_isCombined : 1; 58 bool m_isCombined : 1;
59 bool m_needsFontUpdate : 1; 59 bool m_needsFontUpdate : 1;
60 }; 60 };
61 61
62 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(RenderCombineText, isCombineText()); 62 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutTextCombine, isCombineText());
63 63
64 inline float RenderCombineText::inlineWidthForLayout() const 64 inline float LayoutTextCombine::inlineWidthForLayout() const
65 { 65 {
66 ASSERT(!m_needsFontUpdate); 66 ASSERT(!m_needsFontUpdate);
67 return m_combinedTextWidth; 67 return m_combinedTextWidth;
68 } 68 }
69 69
70 inline float RenderCombineText::offsetX(const FloatRect& boxRect) const 70 inline float LayoutTextCombine::offsetX(const FloatRect& boxRect) const
71 { 71 {
72 ASSERT(!m_needsFontUpdate); 72 ASSERT(!m_needsFontUpdate);
73 return (boxRect.height() - m_combinedTextWidth / m_scaleX) / 2; 73 return (boxRect.height() - m_combinedTextWidth / m_scaleX) / 2;
74 } 74 }
75 75
76 inline float RenderCombineText::offsetXNoScale(const FloatRect& boxRect) const 76 inline float LayoutTextCombine::offsetXNoScale(const FloatRect& boxRect) const
77 { 77 {
78 ASSERT(!m_needsFontUpdate); 78 ASSERT(!m_needsFontUpdate);
79 return (boxRect.height() - m_combinedTextWidth) / 2; 79 return (boxRect.height() - m_combinedTextWidth) / 2;
80 } 80 }
81 81
82 82
83 } // namespace blink 83 } // namespace blink
84 84
85 #endif // RenderCombineText_h 85 #endif // LayoutTextCombine_h
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