92 lines
3.3 KiB
C#
92 lines
3.3 KiB
C#
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using System.Drawing;
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namespace RenderPath;
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using System.Xml;
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public class SVGRenderer : Renderer
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{
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private readonly XmlDocument _image;
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private XmlElement _document;
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public SVGRenderer(int width, int height)
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{
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_image = new XmlDocument();
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CreateTree(width, height);
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}
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public SVGRenderer(XmlDocument renderOver)
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{
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_image = renderOver;
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_document = _image.GetElementById("svg")!;
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}
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private void CreateTree(int width, int height)
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{
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XmlDeclaration xmlDeclaration = _image.CreateXmlDeclaration( "1.0", "UTF-8", null );
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_image.InsertBefore(xmlDeclaration, _image.DocumentElement);
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XmlElement pElement = _image.CreateElement("svg");
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XmlAttribute xmlns = _image.CreateAttribute("xmlns");
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xmlns.Value = "http://www.w3.org/2000/svg";
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pElement.Attributes.Append(xmlns);
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XmlAttribute aWidth = _image.CreateAttribute("width");
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aWidth.Value = width.ToString();
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pElement.Attributes.Append(aWidth);
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XmlAttribute aHeight = _image.CreateAttribute("height");
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aHeight.Value = height.ToString();
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pElement.Attributes.Append(aHeight);
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_image.AppendChild(pElement);
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_document = pElement;
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}
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public override void DrawLine(float x1, float y1, float x2, float y2, int width, Color color)
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{
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XmlElement newLine = _image.CreateElement("line");
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XmlAttribute aX1 = _image.CreateAttribute("x1");
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aX1.Value = Math.Floor(x1).ToString("0");
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newLine.Attributes.Append(aX1);
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XmlAttribute aY1 = _image.CreateAttribute("y1");
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aY1.Value = Math.Floor(y1).ToString("0");
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newLine.Attributes.Append(aY1);
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XmlAttribute aX2 = _image.CreateAttribute("x2");
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aX2.Value = Math.Floor(x2).ToString("0");
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newLine.Attributes.Append(aX2);
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XmlAttribute aY2 = _image.CreateAttribute("y2");
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aY2.Value = Math.Floor(y2).ToString("0");
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newLine.Attributes.Append(aY2);
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XmlAttribute stroke = _image.CreateAttribute("stroke-width");
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stroke.Value = width.ToString();
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newLine.Attributes.Append(stroke);
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XmlAttribute aColor = _image.CreateAttribute("stroke");
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aColor.Value = HexFromColor(color);
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newLine.Attributes.Append(aColor);
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_document.AppendChild(newLine);
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}
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public override void DrawDot(float x, float y, int radius, Color color)
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{
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XmlElement newCircle = _image.CreateElement("circle");
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XmlAttribute aX = _image.CreateAttribute("cx");
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aX.Value = Math.Floor(x).ToString("0");
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newCircle.Attributes.Append(aX);
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XmlAttribute aY = _image.CreateAttribute("cy");
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aY.Value = Math.Floor(y).ToString("0");
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newCircle.Attributes.Append(aY);
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XmlAttribute aR = _image.CreateAttribute("r");
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aR.Value = radius.ToString();
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newCircle.Attributes.Append(aR);
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XmlAttribute fill = _image.CreateAttribute("fill");
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fill.Value = HexFromColor(color);
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newCircle.Attributes.Append(fill);
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_document.AppendChild(newCircle);
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}
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public override void Save(string path)
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{
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_image.Save($"{path}.svg");
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}
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private static string HexFromColor(Color color)
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{
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return $"#{color.R:X2}{color.G:X2}{color.B:X2}";
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}
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}
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