AutoPatientInfoRecorder/src/AntdUI/Lib/SVG/Rendering/SvgRenderer.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.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Drawing.Text;

namespace AntdUI.Svg
{
    /// <summary>
    /// Convenience wrapper around a graphics object
    /// </summary>
    public sealed class SvgRenderer : ISvgRenderer, IGraphicsProvider
    {
        private readonly Graphics _innerGraphics;
        private readonly bool _disposable;
        private readonly Image _image;

        private readonly Stack<ISvgBoundable> _boundables = new Stack<ISvgBoundable>();

        public void SetBoundable(ISvgBoundable boundable)
        {
            _boundables.Push(boundable);
        }
        public ISvgBoundable GetBoundable()
        {
            return _boundables.Peek();
        }
        public ISvgBoundable PopBoundable()
        {
            return _boundables.Pop();
        }

        public float DpiY
        {
            get { return _innerGraphics.DpiY; }
        }

        /// <summary>
        /// Initializes a new instance of the <see cref="ISvgRenderer"/> class.
        /// </summary>
        private SvgRenderer(Graphics graphics, bool disposable = true)
        {
            _innerGraphics = graphics;
            _disposable = disposable;
        }
        private SvgRenderer(Graphics graphics, Image image)
            : this(graphics)
        {
            _image = image;
        }

        public void DrawImage(Image image, RectangleF destRect, RectangleF srcRect, GraphicsUnit graphicsUnit)
        {
            _innerGraphics.DrawImage(image, destRect, srcRect, graphicsUnit);
        }