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/*
Copyright (C) 1999 Lars Knoll (knoll@kde.org)
Copyright (C) 2006-2017 Apple Inc. All rights reserved.
Copyright (C) 2011 Rik Cabanier (cabanier@adobe.com)
Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved.
Copyright (C) 2012 Motorola Mobility, 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 "LayoutPoint.h"
#include "LayoutUnit.h"
#include "Length.h"
namespace WebCore {
class FloatSize;
class FloatPoint;
class LayoutSize;
struct Length;
struct LengthSize;
struct LengthPoint;
int intValueForLength(const Length&, LayoutUnit maximumValue);
WEBCORE_EXPORT float floatValueForLength(const Length&, float maximumValue);
WEBCORE_EXPORT LayoutUnit valueForLength(const Length&, LayoutUnit maximumValue);
LayoutSize sizeForLengthSize(const LengthSize&, const LayoutSize& maximumValue);
FloatSize floatSizeForLengthSize(const LengthSize&, const FloatSize& maximumValue);
LayoutPoint pointForLengthPoint(const LengthPoint&, const LayoutSize& maximumValue);
FloatPoint floatPointForLengthPoint(const LengthPoint&, const FloatSize& maximumValue);
template<typename ReturnType, typename MaximumType>
ReturnType minimumValueForLengthWithLazyMaximum(const Length& length, NOESCAPE const Invocable<MaximumType()> auto& lazyMaximumValueFunctor)
{
switch (length.type()) {
case LengthType::Fixed:
return ReturnType(length.value());
case LengthType::Percent:
return ReturnType(static_cast<float>(lazyMaximumValueFunctor() * length.percent() / 100.0f));
case LengthType::Calculated:
return ReturnType(length.nonNanCalculatedValue(lazyMaximumValueFunctor()));
case LengthType::FillAvailable:
case LengthType::Auto:
case LengthType::Normal:
case LengthType::Content:
return ReturnType(0);
case LengthType::Relative:
case LengthType::Intrinsic:
case LengthType::MinIntrinsic:
case LengthType::MinContent:
case LengthType::MaxContent:
case LengthType::FitContent:
case LengthType::Undefined:
break;
}
ASSERT_NOT_REACHED();
return ReturnType(0);
}
template<typename ReturnType, typename MaximumType>
ReturnType valueForLengthWithLazyMaximum(const Length& length, NOESCAPE const Invocable<MaximumType()> auto& lazyMaximumValueFunctor)
{
switch (length.type()) {
case LengthType::Fixed:
return ReturnType(length.value());
case LengthType::Percent:
return ReturnType(static_cast<float>(lazyMaximumValueFunctor() * length.percent() / 100.0f));
case LengthType::Calculated:
return ReturnType(length.nonNanCalculatedValue(lazyMaximumValueFunctor()));
case LengthType::FillAvailable:
case LengthType::Auto:
case LengthType::Normal:
return ReturnType(lazyMaximumValueFunctor());
case LengthType::Content:
case LengthType::Relative:
case LengthType::Intrinsic:
case LengthType::MinIntrinsic:
case LengthType::MinContent:
case LengthType::MaxContent:
case LengthType::FitContent:
case LengthType::Undefined:
break;
}
ASSERT_NOT_REACHED();
return ReturnType(0);
}
inline float floatValueForLengthWithLazyLayoutUnitMaximum(const Length& length, NOESCAPE const Invocable<LayoutUnit()> auto& lazyMaximumValueFunctor)
{
return valueForLengthWithLazyMaximum<float, LayoutUnit>(length, lazyMaximumValueFunctor);
}
inline float floatValueForLengthWithLazyFloatMaximum(const Length& length, NOESCAPE const Invocable<float()> auto& lazyMaximumValueFunctor)
{
return valueForLengthWithLazyMaximum<float, float>(length, lazyMaximumValueFunctor);
}
inline LayoutUnit minimumValueForLength(const Length& length, LayoutUnit maximumValue)
{
return minimumValueForLengthWithLazyMaximum<LayoutUnit, LayoutUnit>(length, [&] ALWAYS_INLINE_LAMBDA { return maximumValue; });
}
inline int minimumIntValueForLength(const Length& length, LayoutUnit maximumValue)
{
return minimumValueForLengthWithLazyMaximum<int, LayoutUnit>(length, [&] ALWAYS_INLINE_LAMBDA { return maximumValue; });
}
inline LayoutUnit valueForLength(const Length& length, auto maximumValue)
{
return valueForLength(length, LayoutUnit(maximumValue));
}
inline LayoutUnit minimumValueForLength(const Length& length, auto maximumValue)
{
return minimumValueForLength(length, LayoutUnit(maximumValue));
}
} // namespace WebCore
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