GT2/Ejectable/node_modules/react-native/ReactCommon/fabric/components/view/primitives.h

182 lines
5.1 KiB
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 <folly/Optional.h>
#include <react/graphics/Color.h>
#include <react/graphics/Geometry.h>
#include <array>
#include <cmath>
namespace facebook {
namespace react {
enum class PointerEventsMode { Auto, None, BoxNone, BoxOnly };
enum class BackfaceVisibility { Auto, Visible, Hidden };
enum class BorderStyle { Solid, Dotted, Dashed };
template <typename T>
struct CascadedRectangleEdges {
using Counterpart = RectangleEdges<T>;
using OptionalT = folly::Optional<T>;
OptionalT left{};
OptionalT top{};
OptionalT right{};
OptionalT bottom{};
OptionalT start{};
OptionalT end{};
OptionalT horizontal{};
OptionalT vertical{};
OptionalT all{};
Counterpart resolve(bool isRTL, T defaults) const {
const auto leading = isRTL ? end : start;
const auto trailing = isRTL ? start : end;
const auto horizontalOrAllOrDefault =
horizontal.value_or(all.value_or(defaults));
const auto verticalOrAllOrDefault =
vertical.value_or(all.value_or(defaults));
return {
/* .left = */ left.value_or(leading.value_or(horizontalOrAllOrDefault)),
/* .top = */ top.value_or(verticalOrAllOrDefault),
/* .right = */
right.value_or(trailing.value_or(horizontalOrAllOrDefault)),
/* .bottom = */ bottom.value_or(verticalOrAllOrDefault),
};
}
bool operator==(const CascadedRectangleEdges<T> &rhs) const {
return std::tie(
this->left,
this->top,
this->right,
this->bottom,
this->start,
this->end,
this->horizontal,
this->vertical,
this->all) ==
std::tie(
rhs.left,
rhs.top,
rhs.right,
rhs.bottom,
rhs.start,
rhs.end,
rhs.horizontal,
rhs.vertical,
rhs.all);
}
bool operator!=(const CascadedRectangleEdges<T> &rhs) const {
return !(*this == rhs);
}
};
template <typename T>
struct CascadedRectangleCorners {
using Counterpart = RectangleCorners<T>;
using OptionalT = folly::Optional<T>;
OptionalT topLeft{};
OptionalT topRight{};
OptionalT bottomLeft{};
OptionalT bottomRight{};
OptionalT topStart{};
OptionalT topEnd{};
OptionalT bottomStart{};
OptionalT bottomEnd{};
OptionalT all{};
Counterpart resolve(bool isRTL, T defaults) const {
const auto topLeading = isRTL ? topEnd : topStart;
const auto topTrailing = isRTL ? topStart : topEnd;
const auto bottomLeading = isRTL ? bottomEnd : bottomStart;
const auto bottomTrailing = isRTL ? bottomStart : bottomEnd;
return {
/* .topLeft = */ topLeft.value_or(
topLeading.value_or(all.value_or(defaults))),
/* .topRight = */
topRight.value_or(topTrailing.value_or(all.value_or(defaults))),
/* .bottomLeft = */
bottomLeft.value_or(bottomLeading.value_or(all.value_or(defaults))),
/* .bottomRight = */
bottomRight.value_or(bottomTrailing.value_or(all.value_or(defaults))),
};
}
bool operator==(const CascadedRectangleCorners<T> &rhs) const {
return std::tie(
this->topLeft,
this->topRight,
this->bottomLeft,
this->bottomRight,
this->topStart,
this->topEnd,
this->bottomStart,
this->bottomEnd,
this->all) ==
std::tie(
rhs.topLeft,
rhs.topRight,
rhs.bottomLeft,
rhs.bottomRight,
rhs.topStart,
rhs.topEnd,
rhs.bottomStart,
rhs.bottomEnd,
rhs.all);
}
bool operator!=(const CascadedRectangleCorners<T> &rhs) const {
return !(*this == rhs);
}
};
using BorderWidths = RectangleEdges<Float>;
using BorderStyles = RectangleEdges<BorderStyle>;
using BorderColors = RectangleEdges<SharedColor>;
using BorderRadii = RectangleCorners<Float>;
using CascadedBorderWidths = CascadedRectangleEdges<Float>;
using CascadedBorderStyles = CascadedRectangleEdges<BorderStyle>;
using CascadedBorderColors = CascadedRectangleEdges<SharedColor>;
using CascadedBorderRadii = CascadedRectangleCorners<Float>;
struct BorderMetrics {
BorderColors borderColors{};
BorderWidths borderWidths{};
BorderRadii borderRadii{};
BorderStyles borderStyles{};
bool operator==(const BorderMetrics &rhs) const {
return std::tie(
this->borderColors,
this->borderWidths,
this->borderRadii,
this->borderStyles) ==
std::tie(
rhs.borderColors,
rhs.borderWidths,
rhs.borderRadii,
rhs.borderStyles);
}
bool operator!=(const BorderMetrics &rhs) const {
return !(*this == rhs);
}
};
} // namespace react
} // namespace facebook