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/*
* Copyright (C) 2018-2023 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "Font.h"
#include "InlineItem.h"
#include "InlineLine.h"
#include "LayoutUnits.h"
#include <wtf/text/TextBreakIterator.h>
namespace WebCore {
class RenderStyle;
class TextRun;
namespace Layout {
class InlineTextBox;
class InlineTextItem;
class TextUtil {
public:
static InlineLayoutUnit width(const InlineTextItem&, const FontCascade&, InlineLayoutUnit contentLogicalLeft);
static InlineLayoutUnit width(const InlineTextItem&, const FontCascade&, unsigned from, unsigned to, InlineLayoutUnit contentLogicalLeft);
enum class UseTrailingWhitespaceMeasuringOptimization : bool { No, Yes };
static InlineLayoutUnit width(const InlineTextBox&, const FontCascade&, unsigned from, unsigned to, InlineLayoutUnit contentLogicalLeft, UseTrailingWhitespaceMeasuringOptimization = UseTrailingWhitespaceMeasuringOptimization::Yes);
static InlineLayoutUnit trailingWhitespaceWidth(const InlineTextBox&, const FontCascade&, size_t startPosition, size_t endPosition);
using FallbackFontList = HashSet<const Font*>;
enum class IncludeHyphen : bool { No, Yes };
static FallbackFontList fallbackFontsForText(StringView, const RenderStyle&, IncludeHyphen);
struct EnclosingAscentDescent {
InlineLayoutUnit ascent { 0.f };
InlineLayoutUnit descent { 0.f };
};
static EnclosingAscentDescent enclosingGlyphBoundsForText(StringView, const RenderStyle&);
struct WordBreakLeft {
size_t length { 0 };
InlineLayoutUnit logicalWidth { 0 };
};
static WordBreakLeft breakWord(const InlineTextBox&, size_t start, size_t length, InlineLayoutUnit width, InlineLayoutUnit availableWidth, InlineLayoutUnit contentLogicalLeft, const FontCascade&);
static WordBreakLeft breakWord(const InlineTextItem&, const FontCascade&, InlineLayoutUnit textWidth, InlineLayoutUnit availableWidth, InlineLayoutUnit contentLogicalLeft);
static unsigned findNextBreakablePosition(CachedLineBreakIteratorFactory&, unsigned startPosition, const RenderStyle&);
static TextBreakIterator::LineMode::Behavior lineBreakIteratorMode(LineBreak);
static TextBreakIterator::ContentAnalysis contentAnalysis(WordBreak);
static bool shouldPreserveSpacesAndTabs(const Box&);
static bool shouldPreserveNewline(const Box&);
static bool isWrappingAllowed(const RenderStyle&);
static bool shouldTrailingWhitespaceHang(const RenderStyle&);
static bool containsStrongDirectionalityText(StringView);
static TextRun ellipsisTextRun(bool isHorizontal = true);
static size_t firstUserPerceivedCharacterLength(const InlineTextItem&);
static size_t firstUserPerceivedCharacterLength(const InlineTextBox&, size_t startPosition, size_t length);
static TextDirection directionForTextContent(StringView);
static bool hasHangablePunctuationStart(const InlineTextItem&, const RenderStyle&);
static float hangablePunctuationStartWidth(const InlineTextItem&, const RenderStyle&);
static bool hasHangablePunctuationEnd(const InlineTextItem&, const RenderStyle&);
static float hangablePunctuationEndWidth(const InlineTextItem&, const RenderStyle&);
static bool hasHangableStopOrCommaEnd(const InlineTextItem&, const RenderStyle&);
static float hangableStopOrCommaEndWidth(const InlineTextItem&, const RenderStyle&);
static bool canUseSimplifiedTextMeasuring(StringView, const RenderStyle& style, const RenderStyle* firstLineStyle);
};
} // namespace Layout
} // namespace WebCore
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