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82 lines
2.7 KiB
C#
82 lines
2.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Drawing.Imaging;
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using System.IO;
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using System.Linq;
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using System.Text;
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namespace QRCoder
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{
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public class Base64QRCode : AbstractQRCode<string>, IDisposable
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{
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private QRCode qr;
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public Base64QRCode(QRCodeData data) : base(data) {
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qr = new QRCode(data);
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}
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public override string GetGraphic(int pixelsPerModule)
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{
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return this.GetGraphic(pixelsPerModule, Color.Black, Color.White, true);
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}
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public string GetGraphic(int pixelsPerModule, string darkColorHtmlHex, string lightColorHtmlHex, bool drawQuietZones = true, ImageType imgType = ImageType.Png)
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{
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return this.GetGraphic(pixelsPerModule, ColorTranslator.FromHtml(darkColorHtmlHex), ColorTranslator.FromHtml(lightColorHtmlHex), drawQuietZones, imgType);
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}
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public string GetGraphic(int pixelsPerModule, Color darkColor, Color lightColor, bool drawQuietZones = true, ImageType imgType = ImageType.Png)
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{
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Bitmap bmp = qr.GetGraphic(pixelsPerModule, darkColor, lightColor, drawQuietZones);
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return BitmapToBase64(bmp, imgType);
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}
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public string GetGraphic(int pixelsPerModule, Color darkColor, Color lightColor, Bitmap icon, int iconSizePercent = 15, int iconBorderWidth = 6, bool drawQuietZones = true, ImageType imgType = ImageType.Png)
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{
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Bitmap bmp = qr.GetGraphic(pixelsPerModule, darkColor, lightColor, icon, iconSizePercent, iconBorderWidth, drawQuietZones);
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return BitmapToBase64(bmp, imgType);
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}
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private string BitmapToBase64(Bitmap bmp, ImageType imgType)
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{
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ImageFormat iFormat;
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switch (imgType) {
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case ImageType.Png:
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iFormat = ImageFormat.Png;
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break;
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case ImageType.Jpeg:
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iFormat = ImageFormat.Jpeg;
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break;
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case ImageType.Gif:
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iFormat = ImageFormat.Gif;
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break;
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default:
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iFormat = ImageFormat.Png;
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break;
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}
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MemoryStream memoryStream = new MemoryStream();
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bmp.Save(memoryStream, iFormat);
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byte[] bitmapBytes = memoryStream.GetBuffer();
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string bitmapString = Convert.ToBase64String(bitmapBytes, Base64FormattingOptions.None);
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return bitmapString;
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}
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public enum ImageType
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{
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Gif,
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Jpeg,
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Png
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}
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public void Dispose()
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{
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this.QrCodeData = null;
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}
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}
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}
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