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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 "DisplayRect.h"
#include "LayoutUnit.h"
namespace WebCore {
namespace Display {
struct Run {
WTF_MAKE_STRUCT_FAST_ALLOCATED;
struct TextContext {
WTF_MAKE_STRUCT_FAST_ALLOCATED;
public:
TextContext(unsigned position, unsigned length);
unsigned start() const { return m_start; }
unsigned end() const { return start() + length(); }
unsigned length() const { return m_length; }
void expand(unsigned length) { m_length += length; }
private:
unsigned m_start;
unsigned m_length;
};
Run(Rect logicalRect);
Run(Rect logicalRect, TextContext);
Run(const Run&);
const Rect& logicalRect() const { return m_logicalRect; }
LayoutPoint logicalTopLeft() const { return m_logicalRect.topLeft(); }
LayoutUnit logicalLeft() const { return m_logicalRect.left(); }
LayoutUnit logicalRight() const { return m_logicalRect.right(); }
LayoutUnit logicalTop() const { return m_logicalRect.top(); }
LayoutUnit logicalBottom() const { return m_logicalRect.bottom(); }
LayoutUnit logicalWidth() const { return m_logicalRect.width(); }
LayoutUnit logicalHeight() const { return m_logicalRect.height(); }
void setLogicalWidth(LayoutUnit width) { m_logicalRect.setWidth(width); }
void setLogicalTop(LayoutUnit logicalTop) { m_logicalRect.setTop(logicalTop); }
void setLogicalLeft(LayoutUnit logicalLeft) { m_logicalRect.setLeft(logicalLeft); }
void setLogicalRight(LayoutUnit logicalRight) { m_logicalRect.shiftRightTo(logicalRight); }
void moveVertically(LayoutUnit delta) { m_logicalRect.moveVertically(delta); }
void moveHorizontally(LayoutUnit delta) { m_logicalRect.moveHorizontally(delta); }
void expandVertically(LayoutUnit delta) { m_logicalRect.expandVertically(delta); }
void expandHorizontally(LayoutUnit delta) { m_logicalRect.expandHorizontally(delta); }
void setTextContext(TextContext textContext) { m_textContext.emplace(textContext); }
Optional<TextContext>& textContext() { return m_textContext; }
Optional<TextContext> textContext() const { return m_textContext; }
private:
Rect m_logicalRect;
Optional<TextContext> m_textContext;
};
inline Run::Run(Rect logicalRect)
: m_logicalRect(logicalRect)
{
}
inline Run::Run(Rect logicalRect, TextContext textContext)
: m_logicalRect(logicalRect)
, m_textContext(textContext)
{
}
inline Run::TextContext::TextContext(unsigned start, unsigned length)
: m_start(start)
, m_length(length)
{
}
inline Run::Run(const Run& other)
{
m_logicalRect = other.m_logicalRect;
m_textContext = other.m_textContext;
}
}
}
#endif