react-native/ReactCommon/fabric/core/layout/LayoutContext.h

36 lines
859 B
C++

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#include <fabric/graphics/Geometry.h>
namespace facebook {
namespace react {
/*
* LayoutContext: Additional contextual information useful for particular
* layout approaches.
*/
struct LayoutContext {
/*
* Compound absolute position of the node relative to the root node.
*/
Point absolutePosition {0, 0};
/*
* Reflects the scale factor needed to convert from the logical coordinate
* space into the device coordinate space of the physical screen.
* Some layout systems *might* use this to round layout metric values
* to `pixel value`.
*/
Float pointScaleFactor = {1.0};
};
} // namespace react
} // namespace facebook