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/*
Copyright (C) 1999 Lars Knoll (knoll@kde.org)
Copyright (C) 2006, 2008 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.
*/
#include "config.h"
#include "LengthFunctions.h"
#include "FloatSize.h"
#include "LayoutSize.h"
#include "LengthPoint.h"
#include "LengthSize.h"
namespace WebCore {
int intValueForLength(const Length& length, LayoutUnit maximumValue)
{
return static_cast<int>(valueForLength(length, maximumValue));
}
LayoutUnit valueForLength(const Length& length, LayoutUnit maximumValue)
{
switch (length.type()) {
case LengthType::Fixed:
case LengthType::Percent:
case LengthType::Calculated:
return minimumValueForLength(length, maximumValue);
case LengthType::FillAvailable:
case LengthType::Auto:
case LengthType::Normal:
return maximumValue;
case LengthType::Relative:
case LengthType::Intrinsic:
case LengthType::MinIntrinsic:
case LengthType::Content:
case LengthType::MinContent:
case LengthType::MaxContent:
case LengthType::FitContent:
case LengthType::Undefined:
ASSERT_NOT_REACHED();
return 0;
}
ASSERT_NOT_REACHED();
return 0;
}
// FIXME: when subpixel layout is supported this copy of floatValueForLength() can be removed. See bug 71143.
float floatValueForLength(const Length& length, LayoutUnit maximumValue)
{
switch (length.type()) {
case LengthType::Fixed:
return length.value();
case LengthType::Percent:
return static_cast<float>(maximumValue * length.percent() / 100.0f);
case LengthType::FillAvailable:
case LengthType::Auto:
case LengthType::Normal:
return static_cast<float>(maximumValue);
case LengthType::Calculated:
return length.nonNanCalculatedValue(maximumValue);
case LengthType::Relative:
case LengthType::Intrinsic:
case LengthType::MinIntrinsic:
case LengthType::Content:
case LengthType::MinContent:
case LengthType::MaxContent:
case LengthType::FitContent:
case LengthType::Undefined:
ASSERT_NOT_REACHED();
return 0;
}
ASSERT_NOT_REACHED();
return 0;
}
float floatValueForLength(const Length& length, float maximumValue)
{
switch (length.type()) {
case LengthType::Fixed:
return length.value();
case LengthType::Percent:
return static_cast<float>(maximumValue * length.percent() / 100.0f);
case LengthType::FillAvailable:
case LengthType::Auto:
case LengthType::Normal:
return static_cast<float>(maximumValue);
case LengthType::Calculated:
return length.nonNanCalculatedValue(maximumValue);
case LengthType::Relative:
case LengthType::Intrinsic:
case LengthType::MinIntrinsic:
case LengthType::Content:
case LengthType::MinContent:
case LengthType::MaxContent:
case LengthType::FitContent:
case LengthType::Undefined:
ASSERT_NOT_REACHED();
return 0;
}
ASSERT_NOT_REACHED();
return 0;
}
LayoutSize sizeForLengthSize(const LengthSize& length, const LayoutSize& maximumValue)
{
return { valueForLength(length.width, maximumValue.width()), valueForLength(length.height, maximumValue.height()) };
}
LayoutPoint pointForLengthPoint(const LengthPoint& lengthPoint, const LayoutSize& maximumValue)
{
return { valueForLength(lengthPoint.x, maximumValue.width()), valueForLength(lengthPoint.y, maximumValue.height()) };
}
FloatSize floatSizeForLengthSize(const LengthSize& lengthSize, const FloatSize& boxSize)
{
return { floatValueForLength(lengthSize.width, boxSize.width()), floatValueForLength(lengthSize.height, boxSize.height()) };
}
FloatPoint floatPointForLengthPoint(const LengthPoint& lengthPoint, const FloatSize& boxSize)
{
return { floatValueForLength(lengthPoint.x, boxSize.width()), floatValueForLength(lengthPoint.y, boxSize.height()) };
}
} // namespace WebCore
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