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/*
* Copyright (C) 2011 Apple Inc. 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 "FontCascade.h"
#include "RenderText.h"
#include "Text.h"
namespace WebCore {
class RenderCombineText final : public RenderText {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(RenderCombineText);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(RenderCombineText);
public:
RenderCombineText(Text&, const String&);
virtual ~RenderCombineText();
Text& textNode() const { return downcast<Text>(nodeForNonAnonymous()); }
void combineTextIfNeeded();
std::optional<FloatPoint> computeTextOrigin(const FloatRect& boxRect) const;
String combinedStringForRendering() const;
bool isCombined() const { return m_isCombined; }
float combinedTextWidth(const FontCascade& font) const { return font.size(); }
const FontCascade& originalFont() const { return parent()->style().fontCascade(); }
const FontCascade& textCombineFont() const { return m_combineFontStyle->fontCascade(); }
private:
void node() const = delete;
ASCIILiteral renderName() const override { return "RenderCombineText"_s; }
void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
void setRenderedText(const String&) override;
std::unique_ptr<RenderStyle> m_combineFontStyle;
float m_combinedTextWidth { 0 };
float m_combinedTextAscent { 0 };
float m_combinedTextDescent { 0 };
bool m_isCombined : 1;
bool m_needsFontUpdate : 1;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderCombineText, isRenderCombineText())
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