85 lines
3.3 KiB
C++
85 lines
3.3 KiB
C++
/*
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Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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Copyright (C) 2006-2017 Apple Inc. All rights reserved.
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Copyright (C) 2011 Rik Cabanier (cabanier@adobe.com)
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Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved.
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Copyright (C) 2012 Motorola Mobility, Inc. All rights reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include "LayoutUnit.h"
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#include "Length.h"
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namespace WebCore {
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class FloatSize;
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class FloatPoint;
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class LayoutSize;
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struct Length;
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struct LengthSize;
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struct LengthPoint;
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int intValueForLength(const Length&, LayoutUnit maximumValue);
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float floatValueForLength(const Length&, LayoutUnit maximumValue);
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WEBCORE_EXPORT float floatValueForLength(const Length&, float maximumValue);
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WEBCORE_EXPORT LayoutUnit valueForLength(const Length&, LayoutUnit maximumValue);
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LayoutSize sizeForLengthSize(const LengthSize&, const LayoutSize& maximumValue);
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FloatSize floatSizeForLengthSize(const LengthSize&, const FloatSize& maximumValue);
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LayoutPoint pointForLengthPoint(const LengthPoint&, const LayoutSize& maximumValue);
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FloatPoint floatPointForLengthPoint(const LengthPoint&, const FloatSize& maximumValue);
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inline LayoutUnit minimumValueForLength(const Length& length, LayoutUnit maximumValue)
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{
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switch (length.type()) {
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case LengthType::Fixed:
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return LayoutUnit(length.value());
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case LengthType::Percent:
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// Don't remove the extra cast to float. It is needed for rounding on 32-bit Intel machines that use the FPU stack.
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return LayoutUnit(static_cast<float>(maximumValue * length.percent() / 100.0f));
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case LengthType::Calculated:
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return LayoutUnit(length.nonNanCalculatedValue(maximumValue));
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case LengthType::FillAvailable:
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case LengthType::Auto:
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return 0;
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case LengthType::Relative:
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case LengthType::Intrinsic:
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case LengthType::MinIntrinsic:
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case LengthType::MinContent:
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case LengthType::MaxContent:
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case LengthType::FitContent:
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case LengthType::Undefined:
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break;
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}
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ASSERT_NOT_REACHED();
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return 0;
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}
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inline int minimumIntValueForLength(const Length& length, LayoutUnit maximumValue)
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{
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return static_cast<int>(minimumValueForLength(length, maximumValue));
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}
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template<typename T> inline LayoutUnit valueForLength(const Length& length, T maximumValue) { return valueForLength(length, LayoutUnit(maximumValue)); }
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template<typename T> inline LayoutUnit minimumValueForLength(const Length& length, T maximumValue) { return minimumValueForLength(length, LayoutUnit(maximumValue)); }
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} // namespace WebCore
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