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/*
* Copyright (C) 2019 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
#if ENABLE(LAYOUT_FORMATTING_CONTEXT)
#include "FloatRect.h"
#include "LayoutBox.h"
namespace WebCore {
namespace LayoutIntegration {
class Line {
WTF_MAKE_FAST_ALLOCATED;
public:
Line(size_t firstBoxIndex, size_t boxCount, const FloatRect& lineBoxRect, float enclosingContentTop, float enclosingContentBottom, const FloatRect& scrollableOverflow, const FloatRect& inkOverflow, float baseline, FontBaseline baselineType, float contentLogicalOffset, float contentLogicalWidth, bool isHorizontal)
: m_firstBoxIndex(firstBoxIndex)
, m_boxCount(boxCount)
, m_lineBoxRect(lineBoxRect)
, m_enclosingContentTop(enclosingContentTop)
, m_enclosingContentBottom(enclosingContentBottom)
, m_scrollableOverflow(scrollableOverflow)
, m_inkOverflow(inkOverflow)
, m_baseline(baseline)
, m_contentLogicalOffset(contentLogicalOffset)
, m_contentLogicalWidth(contentLogicalWidth)
, m_baselineType(baselineType)
, m_isHorizontal(isHorizontal)
{
}
size_t firstBoxIndex() const { return m_firstBoxIndex; }
size_t boxCount() const { return m_boxCount; }
float lineBoxTop() const { return m_lineBoxRect.y(); }
float lineBoxBottom() const { return m_lineBoxRect.maxY(); }
float lineBoxLeft() const { return m_lineBoxRect.x(); }
float lineBoxRight() const { return m_lineBoxRect.maxX(); }
float lineBoxHeight() const { return m_lineBoxRect.height(); }
float lineBoxWidth() const { return m_lineBoxRect.width(); }
float enclosingContentTop() const { return m_enclosingContentTop; }
float enclosingContentBottom() const { return m_enclosingContentBottom; }
const FloatRect& scrollableOverflow() const { return m_scrollableOverflow; }
const FloatRect& inkOverflow() const { return m_inkOverflow; }
float baseline() const { return m_baseline; }
FontBaseline baselineType() const { return m_baselineType; }
bool isHorizontal() const { return m_isHorizontal; }
float contentLogicalOffset() const { return m_contentLogicalOffset; }
float contentLogicalWidth() const { return m_contentLogicalWidth; }
private:
size_t m_firstBoxIndex { 0 };
size_t m_boxCount { 0 };
// This is line box geometry (see https://www.w3.org/TR/css-inline-3/#line-box).
FloatRect m_lineBoxRect;
// Enclosing top and bottom includes all inline level boxes (border box) vertically.
// While the line box usually enclose them as well, its vertical geometry is based on
// the layout bounds of the inline level boxes which may be different when line-height is present.
float m_enclosingContentTop { 0 };
float m_enclosingContentBottom { 0 };
FloatRect m_scrollableOverflow;
FloatRect m_inkOverflow;
float m_baseline { 0 };
float m_contentLogicalOffset { 0 };
float m_contentLogicalWidth { 0 };
FontBaseline m_baselineType { AlphabeticBaseline };
bool m_isHorizontal { true };
};
}
}
#endif
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