chromium/third_party/blink/renderer/core/layout/geometry/physical_offset.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_OFFSET_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_GEOMETRY_PHYSICAL_OFFSET_H_

#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/geometry/layout_point.h"
#include "third_party/blink/renderer/platform/geometry/layout_unit.h"
#include "third_party/blink/renderer/platform/text/writing_direction_mode.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/gfx/geometry/vector2d.h"
#include "ui/gfx/geometry/vector2d_f.h"

namespace WTF {
class String;
}  // namespace WTF

namespace blink {

class LayoutPoint;
struct LogicalOffset;
struct PhysicalSize;

// PhysicalOffset is the position of a rect (typically a fragment) relative to
// its parent rect 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 PhysicalOffset { … };

// TODO(crbug.com/962299): These functions should upgraded to force correct
// pixel snapping in a type-safe way.
inline gfx::Point ToRoundedPoint(const PhysicalOffset& o) { … }
inline gfx::Point ToFlooredPoint(const PhysicalOffset& o) { … }
inline gfx::Point ToCeiledPoint(const PhysicalOffset& o) { … }

inline gfx::Vector2d ToRoundedVector2d(const PhysicalOffset& o) { … }
inline gfx::Vector2d ToFlooredVector2d(const PhysicalOffset& o) { … }
inline gfx::Vector2d ToCeiledVector2d(const PhysicalOffset& o) { … }

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

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_GEOMETRY_PHYSICAL_OFFSET_H_