生成二维码,保存成图片
作者:互联网
/// <summary> /// 生成二维码,保存成图片,使用了ZXing.Net /// </summary> static byte[] GenerateQRimage(string content) { //初始化条形码格式,宽高,以及PureBarcode=true则不会留白框 var writer = new BarcodeWriterPixelData { Format = BarcodeFormat.CODABAR, Options = new EncodingOptions { Height = 61, Width = 267, PureBarcode = true, Margin = 1 } }; var pixelData = writer.Write(content); using (var bitmap = new Bitmap(pixelData.Width, pixelData.Height, System.Drawing.Imaging.PixelFormat.Format32bppRgb)) using (var ms = new MemoryStream()) { var bitmapData = bitmap.LockBits(new System.Drawing.Rectangle(0, 0, pixelData.Width, pixelData.Height), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppRgb); try { System.Runtime.InteropServices.Marshal.Copy(pixelData.Pixels, 0, bitmapData.Scan0, pixelData.Pixels.Length); } finally { bitmap.UnlockBits(bitmapData); } bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg); byte[] bytes = ms.GetBuffer(); return bytes; } }
标签:System,保存,二维码,Imaging,new,var,pixelData,生成,Drawing 来源: https://www.cnblogs.com/s666/p/14981489.html