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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 "third_party/blink/renderer/platform/geometry/length_functions.h"
#include "third_party/blink/renderer/platform/geometry/layout_unit.h"
#include "third_party/blink/renderer/platform/geometry/length_point.h"
#include "third_party/blink/renderer/platform/geometry/length_size.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/gfx/geometry/size_f.h"
namespace blink {
int IntValueForLength(const Length& length, int maximum_value) {
return ValueForLength(length, LayoutUnit(maximum_value)).ToInt();
}
float FloatValueForLength(const Length& length,
float maximum_value,
const EvaluationInput& input) {
switch (length.GetType()) {
case Length::kFixed:
return length.Pixels();
case Length::kPercent:
return ClampTo<float>(maximum_value * length.Percent() / 100.0f);
case Length::kFillAvailable:
case Length::kStretch:
case Length::kAuto:
return static_cast<float>(maximum_value);
case Length::kCalculated:
return length.NonNanCalculatedValue(maximum_value, input);
case Length::kMinContent:
case Length::kMaxContent:
case Length::kMinIntrinsic:
case Length::kFitContent:
case Length::kContent:
case Length::kFlex:
case Length::kExtendToZoom:
case Length::kDeviceWidth:
case Length::kDeviceHeight:
case Length::kNone:
NOTREACHED();
}
NOTREACHED();
}
LayoutUnit MinimumValueForLengthInternal(const Length& length,
LayoutUnit maximum_value,
const EvaluationInput& input) {
switch (length.GetType()) {
case Length::kPercent:
// Don't remove the extra cast to float. It is needed for rounding on
// 32-bit Intel machines that use the FPU stack.
return LayoutUnit(
static_cast<float>(maximum_value * length.Percent() / 100.0f));
case Length::kCalculated:
return LayoutUnit(length.NonNanCalculatedValue(maximum_value, input));
case Length::kFillAvailable:
case Length::kStretch:
case Length::kAuto:
return LayoutUnit();
case Length::kFixed:
case Length::kMinContent:
case Length::kMaxContent:
case Length::kMinIntrinsic:
case Length::kFitContent:
case Length::kContent:
case Length::kFlex:
case Length::kExtendToZoom:
case Length::kDeviceWidth:
case Length::kDeviceHeight:
case Length::kNone:
NOTREACHED();
}
NOTREACHED();
}
LayoutUnit ValueForLength(const Length& length,
LayoutUnit maximum_value,
const EvaluationInput& input) {
switch (length.GetType()) {
case Length::kFixed:
case Length::kPercent:
case Length::kCalculated:
return MinimumValueForLength(length, maximum_value, input);
case Length::kFillAvailable:
case Length::kStretch:
case Length::kAuto:
return maximum_value;
case Length::kMinContent:
case Length::kMaxContent:
case Length::kMinIntrinsic:
case Length::kFitContent:
case Length::kContent:
case Length::kFlex:
case Length::kExtendToZoom:
case Length::kDeviceWidth:
case Length::kDeviceHeight:
case Length::kNone:
NOTREACHED();
}
NOTREACHED();
}
gfx::SizeF SizeForLengthSize(const LengthSize& length_size,
const gfx::SizeF& box_size) {
return gfx::SizeF(
FloatValueForLength(length_size.Width(), box_size.width()),
FloatValueForLength(length_size.Height(), box_size.height()));
}
gfx::PointF PointForLengthPoint(const LengthPoint& length_point,
const gfx::SizeF& box_size) {
return gfx::PointF(FloatValueForLength(length_point.X(), box_size.width()),
FloatValueForLength(length_point.Y(), box_size.height()));
}
} // namespace blink
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