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/*
* (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 2000 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2004-2017 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 "Color.h"
#include "FloatPoint.h"
#include "InlineIteratorTextBox.h"
#include "RenderStyleConstants.h"
#include <wtf/OptionSet.h>
namespace WebCore {
class FilterOperations;
class FontCascade;
class FloatRect;
class GraphicsContext;
class LegacyInlineTextBox;
class RenderObject;
class RenderStyle;
class RenderText;
class ShadowData;
class TextRun;
class TextDecorationPainter {
public:
struct Styles;
TextDecorationPainter(GraphicsContext&, OptionSet<TextDecorationLine> decorations, const RenderText&, bool isFirstLine, const FontCascade&, InlineIterator::TextBoxIterator, float width, const ShadowData*, const FilterOperations*, std::optional<Styles> = std::nullopt);
void paintBackgroundDecorations(const TextRun&, const FloatPoint& textOrigin, const FloatPoint& boxOrigin);
void paintForegroundDecorations(const FloatPoint& boxOrigin);
struct Styles {
bool operator==(const Styles&) const;
bool operator!=(const Styles& other) const { return !(*this == other); }
Color underlineColor;
Color overlineColor;
Color linethroughColor;
TextDecorationStyle underlineStyle;
TextDecorationStyle overlineStyle;
TextDecorationStyle linethroughStyle;
};
static Color decorationColor(const RenderStyle&);
static OptionSet<TextDecorationLine> textDecorationsInEffectForStyle(const Styles&);
static Styles stylesForRenderer(const RenderObject&, OptionSet<TextDecorationLine> requestedDecorations, bool firstLineStyle = false, PseudoId = PseudoId::None);
private:
void paintLineThrough(const Color&, float thickness, const FloatPoint& localOrigin);
GraphicsContext& m_context;
OptionSet<TextDecorationLine> m_decorations;
float m_wavyOffset;
float m_width { 0 };
FloatPoint m_boxOrigin;
bool m_isPrinting;
bool m_isHorizontal { true };
const ShadowData* m_shadow { nullptr };
const FilterOperations* m_shadowColorFilter { nullptr };
InlineIterator::TextBoxIterator m_textBox;
const FontCascade& m_font;
Styles m_styles;
const RenderStyle& m_lineStyle;
};
} // namespace WebCore
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