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| 1 /* | 1 /* |
| 2 * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz> | 2 * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz> |
| 3 * Copyright (C) 2006, 2008 Apple Inc. All rights reserved. | 3 * Copyright (C) 2006, 2008 Apple Inc. All rights reserved. |
| 4 * Copyright (C) 2008 Rob Buis <buis@kde.org> | 4 * Copyright (C) 2008 Rob Buis <buis@kde.org> |
| 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 #ifndef LayoutSVGInlineText_h | 22 #ifndef LayoutSVGInlineText_h |
| 23 #define LayoutSVGInlineText_h | 23 #define LayoutSVGInlineText_h |
| 24 | 24 |
| 25 #include "core/layout/LayoutText.h" |
| 25 #include "core/layout/svg/SVGTextLayoutAttributes.h" | 26 #include "core/layout/svg/SVGTextLayoutAttributes.h" |
| 26 #include "core/rendering/RenderText.h" | |
| 27 | 27 |
| 28 namespace blink { | 28 namespace blink { |
| 29 | 29 |
| 30 class LayoutSVGInlineText final : public RenderText { | 30 class LayoutSVGInlineText final : public LayoutText { |
| 31 public: | 31 public: |
| 32 LayoutSVGInlineText(Node*, PassRefPtr<StringImpl>); | 32 LayoutSVGInlineText(Node*, PassRefPtr<StringImpl>); |
| 33 | 33 |
| 34 bool characterStartsNewTextChunk(int position) const; | 34 bool characterStartsNewTextChunk(int position) const; |
| 35 SVGTextLayoutAttributes* layoutAttributes() { return &m_layoutAttributes; } | 35 SVGTextLayoutAttributes* layoutAttributes() { return &m_layoutAttributes; } |
| 36 const SVGTextLayoutAttributes* layoutAttributes() const { return &m_layoutAt
tributes; } | 36 const SVGTextLayoutAttributes* layoutAttributes() const { return &m_layoutAt
tributes; } |
| 37 | 37 |
| 38 float scalingFactor() const { return m_scalingFactor; } | 38 float scalingFactor() const { return m_scalingFactor; } |
| 39 const Font& scaledFont() const { return m_scaledFont; } | 39 const Font& scaledFont() const { return m_scaledFont; } |
| 40 void updateScaledFont(); | 40 void updateScaledFont(); |
| 41 static void computeNewScaledFontForStyle(LayoutObject*, const LayoutStyle*,
float& scalingFactor, Font& scaledFont); | 41 static void computeNewScaledFontForStyle(LayoutObject*, const LayoutStyle*,
float& scalingFactor, Font& scaledFont); |
| 42 | 42 |
| 43 // Preserves floating point precision for the use in DRT. It knows how to ro
und and does a better job than enclosingIntRect. | 43 // Preserves floating point precision for the use in DRT. It knows how to ro
und and does a better job than enclosingIntRect. |
| 44 FloatRect floatLinesBoundingBox() const; | 44 FloatRect floatLinesBoundingBox() const; |
| 45 | 45 |
| 46 virtual PassRefPtr<StringImpl> originalText() const override; | 46 virtual PassRefPtr<StringImpl> originalText() const override; |
| 47 | 47 |
| 48 private: | 48 private: |
| 49 virtual const char* renderName() const override { return "LayoutSVGInlineTex
t"; } | 49 virtual const char* renderName() const override { return "LayoutSVGInlineTex
t"; } |
| 50 | 50 |
| 51 virtual void setTextInternal(PassRefPtr<StringImpl>) override; | 51 virtual void setTextInternal(PassRefPtr<StringImpl>) override; |
| 52 virtual void styleDidChange(StyleDifference, const LayoutStyle*) override; | 52 virtual void styleDidChange(StyleDifference, const LayoutStyle*) override; |
| 53 | 53 |
| 54 virtual FloatRect objectBoundingBox() const override { return floatLinesBoun
dingBox(); } | 54 virtual FloatRect objectBoundingBox() const override { return floatLinesBoun
dingBox(); } |
| 55 | 55 |
| 56 virtual bool isOfType(LayoutObjectType type) const override { return type ==
LayoutObjectSVG || type == LayoutObjectSVGInlineText || RenderText::isOfType(ty
pe); } | 56 virtual bool isOfType(LayoutObjectType type) const override { return type ==
LayoutObjectSVG || type == LayoutObjectSVGInlineText || LayoutText::isOfType(ty
pe); } |
| 57 | 57 |
| 58 virtual PositionWithAffinity positionForPoint(const LayoutPoint&) override; | 58 virtual PositionWithAffinity positionForPoint(const LayoutPoint&) override; |
| 59 virtual LayoutRect localCaretRect(InlineBox*, int caretOffset, LayoutUnit* e
xtraWidthToEndOfLine = 0) override; | 59 virtual LayoutRect localCaretRect(InlineBox*, int caretOffset, LayoutUnit* e
xtraWidthToEndOfLine = 0) override; |
| 60 virtual IntRect linesBoundingBox() const override; | 60 virtual IntRect linesBoundingBox() const override; |
| 61 virtual InlineTextBox* createTextBox(int start, unsigned short length) overr
ide; | 61 virtual InlineTextBox* createTextBox(int start, unsigned short length) overr
ide; |
| 62 | 62 |
| 63 virtual LayoutRect clippedOverflowRectForPaintInvalidation(const LayoutBoxMo
delObject* paintInvalidationContainer, const PaintInvalidationState*) const over
ride final; | 63 virtual LayoutRect clippedOverflowRectForPaintInvalidation(const LayoutBoxMo
delObject* paintInvalidationContainer, const PaintInvalidationState*) const over
ride final; |
| 64 | 64 |
| 65 float m_scalingFactor; | 65 float m_scalingFactor; |
| 66 Font m_scaledFont; | 66 Font m_scaledFont; |
| 67 SVGTextLayoutAttributes m_layoutAttributes; | 67 SVGTextLayoutAttributes m_layoutAttributes; |
| 68 }; | 68 }; |
| 69 | 69 |
| 70 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGInlineText, isSVGInlineText()); | 70 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGInlineText, isSVGInlineText()); |
| 71 | 71 |
| 72 } | 72 } |
| 73 | 73 |
| 74 #endif // LayoutSVGInlineText_h | 74 #endif // LayoutSVGInlineText_h |
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