AutoPatientInfoRecorder/src/AntdUI/Lib/SVG/Painting/SvgPatternServer.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 AntdUI.Svg.Transforms;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;

namespace AntdUI.Svg
{
    /// <summary>
    /// A pattern is used to fill or stroke an object using a pre-defined graphic object which can be replicated ("tiled") at fixed intervals in x and y to cover the areas to be painted.
    /// </summary>
    public sealed class SvgPatternServer : SvgPaintServer, ISvgViewPort, ISvgSupportsCoordinateUnits
    {
        public override string ClassName => "pattern";

        private SvgUnit _width;
        private SvgUnit _height;
        private SvgUnit _x;
        private SvgUnit _y;
        private SvgPaintServer _inheritGradient;
        private SvgViewBox _viewBox;
        private SvgCoordinateUnits _patternUnits = SvgCoordinateUnits.Inherit;
        private SvgCoordinateUnits _patternContentUnits = SvgCoordinateUnits.Inherit;

        [SvgAttribute("overflow")]
        public SvgOverflow Overflow
        {
            get { return Attributes.GetAttribute<SvgOverflow>("overflow"); }
            set { Attributes["overflow"] = value; }
        }


        /// <summary>
        /// Specifies a supplemental transformation which is applied on top of any 
        /// transformations necessary to create a new pattern coordinate system.
        /// </summary>
        [SvgAttribute("viewBox")]
        public SvgViewBox ViewBox
        {
            get { return _viewBox; }
            set { _viewBox = value; }
        }

        /// <summary>
        /// Gets or sets the aspect of the viewport.
        /// </summary>
        /// <value></value>
        [SvgAttribute("preserveAspectRatio")]
        public SvgAspectRatio AspectRatio
        {
            get;
            set;
        }

        /// <summary>