AutoPatientInfoRecorder/src/AntdUI/Lib/SVG/Extensibility/SvgForeignObject.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;
using System.Drawing.Drawing2D;

namespace AntdUI.Svg
{
    /// <summary>
    /// The 'foreignObject' element allows for inclusion of a foreign namespace which has its graphical content drawn by a different user agent
    /// </summary>
    public class SvgForeignObject : SvgVisualElement
    {
        public override string ClassName { get => "foreignObject"; }

        public SvgForeignObject()
        {
        }

        /// <summary>
        /// Gets the <see cref="GraphicsPath"/> for this element.
        /// </summary>
        /// <value></value>
        public override GraphicsPath Path(ISvgRenderer renderer)
        {
            return GetPaths(this, renderer);
        }

        /// <summary>
        /// Gets the bounds of the element.
        /// </summary>
        /// <value>The bounds.</value>
        public override RectangleF Bounds
        {
            get
            {
                var r = new RectangleF();
                foreach (var c in Children)
                {
                    if (c is SvgVisualElement)
                    {
                        // First it should check if rectangle is empty or it will return the wrong Bounds.
                        // This is because when the Rectangle is Empty, the Union method adds as if the first values where X=0, Y=0
                        if (r.IsEmpty)
                        {
                            r = ((SvgVisualElement)c).Bounds;
                        }
                        else
                        {
                            var childBounds = ((SvgVisualElement)c).Bounds;
                            if (!childBounds.IsEmpty)
                            {
                                r = RectangleF.Union(r, childBounds);
                            }
                        }
                    }
                }