chromium/third_party/blink/renderer/core/layout/geometry/physical_size.h

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_GEOMETRY_PHYSICAL_SIZE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_GEOMETRY_PHYSICAL_SIZE_H_

#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/layout/geometry/logical_size.h"
#include "third_party/blink/renderer/platform/geometry/layout_unit.h"
#include "third_party/blink/renderer/platform/text/writing_mode.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/size_f.h"

namespace WTF {
class String;
}  // namespace WTF

namespace blink {

enum AspectRatioFit { … };

struct LogicalSize;

// PhysicalSize is the size of a rect (typically a fragment) in the physical
// coordinate system.
// For more information about physical and logical coordinate systems, see:
// https://chromium.googlesource.com/chromium/src/+/main/third_party/blink/renderer/core/layout/README.md#coordinate-spaces
struct CORE_EXPORT PhysicalSize { … };

CORE_EXPORT std::ostream& operator<<(std::ostream&, const PhysicalSize&);

inline PhysicalSize ToPhysicalSize(const LogicalSize& other, WritingMode mode) { … }

// TODO(crbug.com/962299): These functions should upgraded to force correct
// pixel snapping in a type-safe way.
inline gfx::Size ToRoundedSize(const PhysicalSize& s) { … }
inline gfx::Size ToFlooredSize(const PhysicalSize& s) { … }
inline gfx::Size ToCeiledSize(const PhysicalSize& s) { … }

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_GEOMETRY_PHYSICAL_SIZE_H_