2 * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
3 * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
4 * Copyright (C) 2008 Rob Buis <buis@kde.org>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
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
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
22 #ifndef RenderSVGInlineText_h
23 #define RenderSVGInlineText_h
25 #include "core/rendering/RenderText.h"
26 #include "core/rendering/svg/SVGTextLayoutAttributes.h"
30 class RenderSVGInlineText final : public RenderText {
32 RenderSVGInlineText(Node*, PassRefPtr<StringImpl>);
34 bool characterStartsNewTextChunk(int position) const;
35 SVGTextLayoutAttributes* layoutAttributes() { return &m_layoutAttributes; }
36 const SVGTextLayoutAttributes* layoutAttributes() const { return &m_layoutAttributes; }
38 float scalingFactor() const { return m_scalingFactor; }
39 const Font& scaledFont() const { return m_scaledFont; }
40 void updateScaledFont();
41 static void computeNewScaledFontForStyle(RenderObject*, const RenderStyle*, float& scalingFactor, Font& scaledFont);
43 // Preserves floating point precision for the use in DRT. It knows how to round and does a better job than enclosingIntRect.
44 FloatRect floatLinesBoundingBox() const;
46 virtual PassRefPtr<StringImpl> originalText() const override;
49 virtual const char* renderName() const override { return "RenderSVGInlineText"; }
51 virtual void setTextInternal(PassRefPtr<StringImpl>) override;
52 virtual void styleDidChange(StyleDifference, const RenderStyle*) override;
54 virtual FloatRect objectBoundingBox() const override { return floatLinesBoundingBox(); }
56 virtual bool isOfType(RenderObjectType type) const override { return type == RenderObjectSVG || type == RenderObjectSVGInlineText || RenderText::isOfType(type); }
58 virtual PositionWithAffinity positionForPoint(const LayoutPoint&) override;
59 virtual LayoutRect localCaretRect(InlineBox*, int caretOffset, LayoutUnit* extraWidthToEndOfLine = 0) override;
60 virtual IntRect linesBoundingBox() const override;
61 virtual InlineTextBox* createTextBox(int start, unsigned short length) override;
63 virtual LayoutRect clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, const PaintInvalidationState*) const override final;
65 float m_scalingFactor;
67 SVGTextLayoutAttributes m_layoutAttributes;
70 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderSVGInlineText, isSVGInlineText());
74 #endif // RenderSVGInlineText_h