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Fabric: CornerInsets: Graphical primitive for rect-corner-specific values

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Summary: CornerInsets is something like EdgeInsets but about corners instead of edges.

Reviewed By: fkgozali

Differential Revision: D8344062

fbshipit-source-id: 9bf7a8696fba96e3124cb15e8e84093c1f4f8747
This commit is contained in:
Valentin Shergin 2018-06-15 11:25:13 -07:00 committed by Facebook Github Bot
parent cb19621dfe
commit e311fbb797
2 changed files with 50 additions and 0 deletions
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20
ReactCommon/fabric/graphics/Geometry.h
View File

@ -125,5 +125,25 @@ struct EdgeInsets {
}
};
/*
* CornerInsets
*/
struct CornerInsets {
Float topLeft {0};
Float topRight {0};
Float bottomLeft {0};
Float bottomRight {0};
bool operator ==(const CornerInsets& rhs) const {
return
std::tie(this->topLeft, this->topRight, this->bottomLeft, this->bottomRight) ==
std::tie(rhs.topLeft, rhs.topRight, rhs.bottomLeft, rhs.bottomRight);
}
bool operator !=(const CornerInsets& rhs) const {
return !(*this == rhs);
}
};
} // namespace react
} // namespace facebook

30
ReactCommon/fabric/graphics/conversions.h
View File

@ -105,6 +105,28 @@ inline void fromDynamic(const folly::dynamic &value, EdgeInsets &result) {
abort();
}
inline void fromDynamic(const folly::dynamic &value, CornerInsets &result) {
if (value.isObject()) {
result = CornerInsets {
(Float)value["topLeft"].asDouble(),
(Float)value["topRight"].asDouble(),
(Float)value["bottomLeft"].asDouble(),
(Float)value["bottomRight"].asDouble()
};
return;
}
if (value.isArray()) {
result = CornerInsets {
(Float)value[0].asDouble(),
(Float)value[1].asDouble(),
(Float)value[2].asDouble(),
(Float)value[3].asDouble()
};
return;
}
abort();
}
inline std::string toString(const Point &point) {
return "{" + folly::to<std::string>(point.x) + ", " + folly::to<std::string>(point.y) + "}";
}
@ -125,5 +147,13 @@ inline std::string toString(const EdgeInsets &edgeInsets) {
folly::to<std::string>(edgeInsets.bottom) + "}";
}
inline std::string toString(const CornerInsets &cornerInsets) {
return "{" +
folly::to<std::string>(cornerInsets.topLeft) + ", " +
folly::to<std::string>(cornerInsets.topRight) + ", " +
folly::to<std::string>(cornerInsets.bottomLeft) + ", " +
folly::to<std::string>(cornerInsets.bottomRight) + "}";
}
} // namespace react
} // namespace facebook