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/*
* Copyright (C) 2007 Rob Buis <buis@kde.org>
* Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include "InlineTextBox.h"
#include "SVGTextLayoutEngine.h"
#include "RenderSVGInlineText.h"
namespace WebCore {
class RenderSVGResource;
class SVGRootInlineBox;
class SVGInlineTextBox final : public InlineTextBox {
public:
explicit SVGInlineTextBox(RenderSVGInlineText&);
RenderSVGInlineText& renderer() const { return downcast<RenderSVGInlineText>(InlineTextBox::renderer()); }
float virtualLogicalHeight() const override { return m_logicalHeight; }
void setLogicalHeight(float height) { m_logicalHeight = height; }
int selectionTop() { return top(); }
int selectionHeight() { return static_cast<int>(ceilf(m_logicalHeight)); }
int offsetForPosition(float x, bool includePartialGlyphs = true) const override;
float positionForOffset(unsigned offset) const override;
void paintSelectionBackground(PaintInfo&);
void paint(PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom) override;
LayoutRect localSelectionRect(unsigned startPosition, unsigned endPosition) const override;
bool mapStartEndPositionsIntoFragmentCoordinates(const SVGTextFragment&, unsigned& startPosition, unsigned& endPosition) const;
FloatRect calculateBoundaries() const override;
void clearTextFragments() { m_textFragments.clear(); }
Vector<SVGTextFragment>& textFragments() { return m_textFragments; }
const Vector<SVGTextFragment>& textFragments() const { return m_textFragments; }
void dirtyOwnLineBoxes() override;
void dirtyLineBoxes() override;
bool startsNewTextChunk() const { return m_startsNewTextChunk; }
void setStartsNewTextChunk(bool newTextChunk) { m_startsNewTextChunk = newTextChunk; }
int offsetForPositionInFragment(const SVGTextFragment&, float position, bool includePartialGlyphs) const;
FloatRect selectionRectForTextFragment(const SVGTextFragment&, unsigned fragmentStartPosition, unsigned fragmentEndPosition, const RenderStyle&) const;
private:
bool isSVGInlineTextBox() const override { return true; }
TextRun constructTextRun(const RenderStyle&, const SVGTextFragment&) const;
bool acquirePaintingResource(GraphicsContext*&, float scalingFactor, RenderBoxModelObject&, const RenderStyle&);
void releasePaintingResource(GraphicsContext*&, const Path*);
bool prepareGraphicsContextForTextPainting(GraphicsContext*&, float scalingFactor, const RenderStyle&);
void restoreGraphicsContextAfterTextPainting(GraphicsContext*&);
void paintDecoration(GraphicsContext&, TextDecoration, const SVGTextFragment&);
void paintDecorationWithStyle(GraphicsContext&, TextDecoration, const SVGTextFragment&, RenderBoxModelObject& decorationRenderer);
void paintTextWithShadows(GraphicsContext&, const RenderStyle&, TextRun&, const SVGTextFragment&, unsigned startPosition, unsigned endPosition);
void paintText(GraphicsContext&, const RenderStyle&, const RenderStyle& selectionStyle, const SVGTextFragment&, bool hasSelection, bool paintSelectedTextOnly);
bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit lineTop, LayoutUnit lineBottom, HitTestAction) override;
private:
float m_logicalHeight;
unsigned m_paintingResourceMode : 4;
unsigned m_startsNewTextChunk : 1;
RenderSVGResource* m_paintingResource;
Vector<SVGTextFragment> m_textFragments;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_INLINE_BOX(SVGInlineTextBox, isSVGInlineTextBox())
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