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using System;
using System.Collections.Generic;
namespace Xamarin.PropertyEditing.Drawing
{
/// <summary>
/// Represents a radial gradient in the property editor panel.
/// A focal point defines the beginning of the gradient, and a circle defines the end point of the gradient.
/// </summary>
[Serializable]
public sealed class CommonRadialGradientBrush : CommonGradientBrush, IEquatable<CommonRadialGradientBrush>
{
public CommonRadialGradientBrush(
CommonPoint center,
CommonPoint gradientOrigin,
double radiusX,
double radiusY,
IEnumerable<CommonGradientStop> stops,
CommonColorInterpolationMode colorInterpolationMode = CommonColorInterpolationMode.SRgbLinearInterpolation,
CommonBrushMappingMode mappingMode = CommonBrushMappingMode.RelativeToBoundingBox,
CommonGradientSpreadMethod spreadMethod = CommonGradientSpreadMethod.Pad,
double opacity = 1.0)
: base (stops, colorInterpolationMode, mappingMode, spreadMethod, opacity)
{
Center = center;
GradientOrigin = gradientOrigin;
RadiusX = radiusX;
RadiusY = radiusY;
}
/// <summary>
/// The center of the outermost circle of the radial gradient.
/// </summary>
public CommonPoint Center { get; }
/// <summary>
/// The location of the two-dimensional focal point that defines the beginning of the gradient.
/// </summary>
public CommonPoint GradientOrigin { get; }
/// <summary>
/// The horizontal radius of the outermost circle of the radial gradient.
/// </summary>
public double RadiusX { get; }
/// <summary>
/// The vertical radius of the outermost circle of the radial gradient.
/// </summary>
public double RadiusY { get; }
public override bool Equals (object obj)
{
var brush = obj as CommonRadialGradientBrush;
if (brush == null) return false;
return Equals (brush);
}
public bool Equals (CommonRadialGradientBrush other)
{
return other != null &&
base.Equals (other) &&
Center.Equals (other.Center) &&
GradientOrigin.Equals (other.GradientOrigin) &&
RadiusX == other.RadiusX &&
RadiusY == other.RadiusY;
}
public static bool operator == (CommonRadialGradientBrush left, CommonRadialGradientBrush right) => Equals (left, right);
public static bool operator != (CommonRadialGradientBrush left, CommonRadialGradientBrush right) => !Equals (left, right);
public override int GetHashCode ()
{
var hashCode = base.GetHashCode ();
unchecked {
hashCode = hashCode * -1521134295 + Center.GetHashCode ();
hashCode = hashCode * -1521134295 + GradientOrigin.GetHashCode ();
hashCode = hashCode * -1521134295 + RadiusX.GetHashCode ();
hashCode = hashCode * -1521134295 + RadiusY.GetHashCode ();
}
return hashCode;
}
}
}
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