chromium/third_party/blink/renderer/platform/geometry/length.h

/*
    Copyright (C) 1999 Lars Knoll ([email protected])
    Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
    Copyright (C) 2011 Rik Cabanier ([email protected])
    Copyright (C) 2011 Adobe Systems Incorporated. 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.
*/

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GEOMETRY_LENGTH_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GEOMETRY_LENGTH_H_

#include <cmath>
#include <cstring>
#include <optional>

#include "base/check_op.h"
#include "base/functional/function_ref.h"
#include "base/memory/stack_allocated.h"
#include "base/notreached.h"
#include "third_party/blink/renderer/platform/geometry/layout_unit.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/math_extras.h"

namespace WTF {
class String;
}  // namespace WTF

namespace blink {

// When calcuating the min/max content-contribution we sometimes need to coerce
// a fit-content/stretch basis to auto.
enum class CalcSizeKeywordBehavior { … };

struct PixelsAndPercent { … };

class CalculationValue;
class Length;

PLATFORM_EXPORT extern const Length& g_auto_length;
PLATFORM_EXPORT extern const Length& g_fill_available_length;
PLATFORM_EXPORT extern const Length& g_fit_content_length;
PLATFORM_EXPORT extern const Length& g_max_content_length;
PLATFORM_EXPORT extern const Length& g_min_content_length;
PLATFORM_EXPORT extern const Length& g_min_intrinsic_length;

class PLATFORM_EXPORT Length { … };

PLATFORM_EXPORT std::ostream& operator<<(std::ostream&, const Length&);

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GEOMETRY_LENGTH_H_