AutoPatientInfoRecorder/src/AntdUI/Lib/SVG/Basic Shapes/SvgEllipse.cs

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// THIS FILE IS PART OF SVG PROJECT
// THE SVG PROJECT IS AN OPENSOURCE LIBRARY LICENSED UNDER THE MS-PL License.
// COPYRIGHT (C) svg-net. ALL RIGHTS RESERVED.
// GITHUB: https://github.com/svg-net/SVG

using System.Drawing.Drawing2D;

namespace AntdUI.Svg
{
    /// <summary>
    /// Represents and SVG ellipse element.
    /// </summary>
    public class SvgEllipse : SvgPathBasedElement
    {
        public override string ClassName { get => "ellipse"; }

        private GraphicsPath _path;

        [SvgAttribute("cx")]
        public virtual SvgUnit CenterX
        {
            get { return Attributes.GetAttribute<SvgUnit>("cx"); }
            set { Attributes["cx"] = value; IsPathDirty = true; }
        }

        [SvgAttribute("cy")]
        public virtual SvgUnit CenterY
        {
            get { return Attributes.GetAttribute<SvgUnit>("cy"); }
            set { Attributes["cy"] = value; IsPathDirty = true; }
        }

        [SvgAttribute("rx")]
        public virtual SvgUnit RadiusX
        {
            get { return Attributes.GetAttribute<SvgUnit>("rx"); }
            set { Attributes["rx"] = value; IsPathDirty = true; }
        }

        [SvgAttribute("ry")]
        public virtual SvgUnit RadiusY
        {
            get { return Attributes.GetAttribute<SvgUnit>("ry"); }
            set { Attributes["ry"] = value; IsPathDirty = true; }
        }

        /// <summary>
        /// Gets the <see cref="GraphicsPath"/> for this element.
        /// </summary>
        /// <value></value>
        public override GraphicsPath Path(ISvgRenderer renderer)
        {
            if (_path == null || IsPathDirty)
            {
                var halfStrokeWidth = base.StrokeWidth / 2;

                // If it is to render, don't need to consider stroke width.
                // i.e stroke width only to be considered when calculating boundary
                if (renderer != null)
                {