112 lines
2.0 KiB
C++
112 lines
2.0 KiB
C++
// Copyright 2004-present Facebook. All Rights Reserved.
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#pragma once
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#include <tuple>
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#include <CoreGraphics/CGBase.h>
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namespace facebook {
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namespace react {
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/*
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* Exact type of float numbers which ideally should match a type behing
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* platform- and chip-architecture-specific float type.
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*/
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using Float = CGFloat;
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/*
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* Large positive number signifies that the `Float` values is `undefined`.
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*/
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const Float kFloatUndefined = CGFLOAT_MAX;
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const Float kFloatMax = CGFLOAT_MAX;
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const Float kFloatMin = CGFLOAT_MIN;
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/*
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* Point
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*/
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struct Point {
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Float x {0};
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Float y {0};
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Point& operator += (const Point& rhs) {
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x += rhs.x;
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y += rhs.y;
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return *this;
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}
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friend Point operator + (Point lhs, const Point& rhs) {
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return lhs += rhs;
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}
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bool operator ==(const Point& rhs) const {
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return
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std::tie(this->x, this->y) ==
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std::tie(rhs.x, rhs.y);
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}
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bool operator !=(const Point& 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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* Size
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*/
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struct Size {
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Float width {0};
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Float height {0};
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bool operator ==(const Size& rhs) const {
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return
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std::tie(this->width, this->height) ==
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std::tie(rhs.width, rhs.height);
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}
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bool operator !=(const Size& 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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* Rect: Point and Size
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*/
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struct Rect {
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Point origin {0, 0};
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Size size {0, 0};
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bool operator ==(const Rect& rhs) const {
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return
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std::tie(this->origin, this->size) ==
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std::tie(rhs.origin, rhs.size);
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}
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bool operator !=(const Rect& 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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* EdgeInsets
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*/
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struct EdgeInsets {
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Float left {0};
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Float top {0};
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Float right {0};
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Float bottom {0};
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bool operator ==(const EdgeInsets& rhs) const {
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return
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std::tie(this->left, this->top, this->right, this->bottom) ==
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std::tie(rhs.left, rhs.top, rhs.right, rhs.bottom);
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}
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bool operator !=(const EdgeInsets& rhs) const {
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return !(*this == rhs);
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}
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};
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} // namespace react
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} // namespace facebook
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