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264 行
8.8 KiB

using System;
using System.Text;
using Unity.UIWidgets.ui;
namespace Unity.UIWidgets.painting {
public class BorderRadius : IEquatable<BorderRadius> {
BorderRadius(
Radius topLeft,
Radius topRight,
Radius bottomRight,
Radius bottomLeft) {
this.topLeft = topLeft ?? Radius.zero;
this.topRight = topRight ?? Radius.zero;
this.bottomRight = bottomRight ?? Radius.zero;
this.bottomLeft = bottomLeft ?? Radius.zero;
}
public static BorderRadius all(Radius radius) {
return only(radius, radius, radius, radius);
}
public static BorderRadius all(double radius) {
return only(radius, radius, radius, radius);
}
public static BorderRadius circular(double radius) {
return all(Radius.circular(radius));
}
public static BorderRadius vertical(Radius top = null, Radius bottom = null) {
return only(top, top, bottom, bottom);
}
public static BorderRadius vertical(double? top = null, double? bottom = null) {
return only(top, top, bottom, bottom);
}
public static BorderRadius horizontal(Radius left = null, Radius right = null) {
return only(left, right, right, left);
}
public static BorderRadius horizontal(double? left = null, double? right = null) {
return only(left, right, right, left);
}
public static BorderRadius only(
Radius topLeft = null, Radius topRight = null,
Radius bottomRight = null, Radius bottomLeft = null) {
return new BorderRadius(topLeft, topRight, bottomRight, bottomLeft);
}
public static BorderRadius only(
double? topLeft = null, double? topRight = null,
double? bottomRight = null, double? bottomLeft = null) {
var tlRadius = topLeft != null ? Radius.circular(topLeft.Value) : null;
var trRadius = topRight != null ? Radius.circular(topRight.Value) : null;
var brRadius = bottomRight != null ? Radius.circular(bottomRight.Value) : null;
var blRadius = bottomLeft != null ? Radius.circular(bottomLeft.Value) : null;
return new BorderRadius(tlRadius, trRadius, brRadius, blRadius);
}
public static readonly BorderRadius zero = all(Radius.zero);
public readonly Radius topLeft;
public readonly Radius topRight;
public readonly Radius bottomRight;
public readonly Radius bottomLeft;
public RRect toRRect(Rect rect) {
return RRect.fromRectAndCorners(
rect,
topLeft: this.topLeft,
topRight: this.topRight,
bottomRight: this.bottomRight,
bottomLeft: this.bottomLeft
);
}
public static BorderRadius operator -(BorderRadius it, BorderRadius other) {
return only(
topLeft: it.topLeft - other.topLeft,
topRight: it.topRight - other.topRight,
bottomLeft: it.bottomLeft - other.bottomLeft,
bottomRight: it.bottomRight - other.bottomRight
);
}
public static BorderRadius operator +(BorderRadius it, BorderRadius other) {
return only(
topLeft: it.topLeft + other.topLeft,
topRight: it.topRight + other.topRight,
bottomLeft: it.bottomLeft + other.bottomLeft,
bottomRight: it.bottomRight + other.bottomRight
);
}
public static BorderRadius operator -(BorderRadius it) {
return only(
topLeft: -it.topLeft,
topRight: -it.topRight,
bottomLeft: -it.bottomLeft,
bottomRight: -it.bottomRight
);
}
public static BorderRadius operator *(BorderRadius it, double other) {
return only(
topLeft: it.topLeft * other,
topRight: it.topRight * other,
bottomLeft: it.bottomLeft * other,
bottomRight: it.bottomRight * other
);
}
public static BorderRadius operator /(BorderRadius it, double other) {
return only(
topLeft: it.topLeft / other,
topRight: it.topRight / other,
bottomLeft: it.bottomLeft / other,
bottomRight: it.bottomRight / other
);
}
public static BorderRadius operator %(BorderRadius it, double other) {
return only(
topLeft: it.topLeft % other,
topRight: it.topRight % other,
bottomLeft: it.bottomLeft % other,
bottomRight: it.bottomRight % other
);
}
public static BorderRadius lerp(BorderRadius a, BorderRadius b, double t) {
if (a == null && b == null) {
return null;
}
if (a == null) {
return b * t;
}
if (b == null) {
return a * (1.0 - t);
}
return only(
topLeft: Radius.lerp(a.topLeft, b.topLeft, t),
topRight: Radius.lerp(a.topRight, b.topRight, t),
bottomLeft: Radius.lerp(a.bottomLeft, b.bottomLeft, t),
bottomRight: Radius.lerp(a.bottomRight, b.bottomRight, t)
);
}
public bool Equals(BorderRadius other) {
if (ReferenceEquals(null, other)) {
return false;
}
if (ReferenceEquals(this, other)) {
return true;
}
return this.topLeft.Equals(other.topLeft)
&& this.topRight.Equals(other.topRight)
&& this.bottomRight.Equals(other.bottomRight)
&& this.bottomLeft.Equals(other.bottomLeft);
}
public override bool Equals(object obj) {
if (ReferenceEquals(null, obj)) {
return false;
}
if (ReferenceEquals(this, obj)) {
return true;
}
if (obj.GetType() != this.GetType()) {
return false;
}
return this.Equals((BorderRadius) obj);
}
public override int GetHashCode() {
unchecked {
var hashCode = this.topLeft.GetHashCode();
hashCode = (hashCode * 397) ^ this.topRight.GetHashCode();
hashCode = (hashCode * 397) ^ this.bottomRight.GetHashCode();
hashCode = (hashCode * 397) ^ this.bottomLeft.GetHashCode();
return hashCode;
}
}
public static bool operator ==(BorderRadius a, BorderRadius b) {
return Equals(a, b);
}
public static bool operator !=(BorderRadius a, BorderRadius b) {
return !Equals(a, b);
}
public override string ToString() {
string visual = null;
if (this.topLeft == this.topRight &&
this.topRight == this.bottomLeft &&
this.bottomLeft == this.bottomRight) {
if (this.topLeft != Radius.zero) {
if (this.topLeft.x == this.topLeft.y) {
visual = $"BorderRadius.circular({this.topLeft.x:F1})";
}
else {
visual = $"BorderRadius.all({this.topLeft})";
}
}
}
else {
var result = new StringBuilder();
result.Append("BorderRadius.only(");
bool comma = false;
if (this.topLeft != Radius.zero) {
result.Append($"topLeft: {this.topLeft}");
comma = true;
}
if (this.topRight != Radius.zero) {
if (comma) {
result.Append(", ");
}
result.Append($"topRight: {this.topRight}");
comma = true;
}
if (this.bottomLeft != Radius.zero) {
if (comma) {
result.Append(", ");
}
result.Append($"bottomLeft: {this.bottomLeft}");
comma = true;
}
if (this.bottomRight != Radius.zero) {
if (comma) {
result.Append(", ");
}
result.Append($"bottomRight: {this.bottomRight}");
}
result.Append(")");
visual = result.ToString();
}
if (visual != null) {
return visual;
}
return "BorderRadius.zero";
}
}
}