52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <fabric/core/LayoutPrimitives.h>
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#include <fabric/graphics/Geometry.h>
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namespace facebook {
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namespace react {
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/*
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* Describes results of layout process for partucular shadow node.
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*/
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struct LayoutMetrics {
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Rect frame;
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EdgeInsets contentInsets {0};
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EdgeInsets borderWidth {0};
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DisplayType displayType {DisplayType::Flex};
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LayoutDirection layoutDirection {LayoutDirection::Undefined};
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Float pointScaleFactor {1.0};
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Rect getContentFrame() const {
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return Rect {
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Point {contentInsets.left, contentInsets.top},
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Size {frame.size.width - contentInsets.left - contentInsets.right, frame.size.height - contentInsets.top - contentInsets.bottom}
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};
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}
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bool operator ==(const LayoutMetrics& rhs) const {
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return
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std::tie(this->frame, this->contentInsets, this->borderWidth, this->displayType, this->layoutDirection) ==
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std::tie(rhs.frame, rhs.contentInsets, rhs.borderWidth, rhs.displayType, rhs.layoutDirection);
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}
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bool operator !=(const LayoutMetrics& rhs) const {
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return !(*this == rhs);
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}
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};
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/*
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* Represents some undefined, not-yet-computed or meaningless value of `LayoutMetrics` type.
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*/
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static const LayoutMetrics EmptyLayoutMetrics = {.frame = { .size = {-1, -1}}};
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} // namespace react
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} // namespace facebook
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