二维码生成类(调用QrCodeNet)代码,CSharp代码库,德仔网

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【CSharp】二维码生成类(调用QrCodeNet)

作者:ranbolwb / 发布于2014/6/4/ 834

调用QrCodeNet


	/// <summary>
	 /// Class containing the description of the QR code and wrapping encoding and rendering.
	 /// </summary>
	 internal class CodeDescriptor
	 {
	 public ErrorCorrectionLevel Ecl;
	 public string Content;
	 public QuietZoneModules QuietZones;
	 public int ModuleSize;
	 public BitMatrix Matrix;
	 public string ContentType;

	 /// <summary>
	 /// Parse QueryString that define the QR code properties
	 /// </summary>
	 /// <param name="request">HttpRequest containing HTTP GET data</param>
	 /// <returns>A QR code descriptor object</returns>
	 public static CodeDescriptor Init(ErrorCorrectionLevel level, string content, QuietZoneModules qzModules, int moduleSize)
	 {
	 var cp = new CodeDescriptor();

	 //// Error correction level
	 cp.Ecl = level;
	 //// Code content to encode
	 cp.Content = content;
	 //// Size of the quiet zone
	 cp.QuietZones = qzModules;
	 //// Module size
	 cp.ModuleSize = moduleSize;
	 return cp;
	 }

	 /// <summary>
	 /// Encode the content with desired parameters and save the generated Matrix
	 /// </summary>
	 /// <returns>True if the encoding succeeded, false if the content is empty or too large to fit in a QR code</returns>
	 public bool TryEncode()
	 {
	 var encoder = new QrEncoder(Ecl);
	 QrCode qr;
	 if (!encoder.TryEncode(Content, out qr))
	 return false;

	 Matrix = qr.Matrix;
	 return true;
	 }

	 /// <summary>
	 /// Render the Matrix as a PNG image
	 /// </summary>
	 /// <param name="ms">MemoryStream to store the image bytes into</param>
	 internal void Render(MemoryStream ms)
	 {
	 var render = new GraphicsRenderer(new FixedModuleSize(ModuleSize, QuietZones));
	 render.WriteToStream(Matrix, System.Drawing.Imaging.ImageFormat.Png, ms);
	 ContentType = "image/png";
	 }
	 }

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