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AntonKornAntonKorn
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Add ImageSharp renderers for .net 6.0, 5.0 and standart 2.0
1 parent dd35a3b commit 70f644a

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10 files changed

+504
-16
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10 files changed

+504
-16
lines changed

‎QRCoder.ImageSharp/ImageSharpBase64QRCode.cs

+92
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@@ -0,0 +1,92 @@
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using SixLabors.ImageSharp.Formats;
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using System;
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using System.Collections.Generic;
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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.ImageSharp
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{
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public class ImageSharpBase64QRCode : AbstractQRCode, IDisposable
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{
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private ImageSharpQRCode qr;
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/// <summary>
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/// Constructor without params to be used in COM Objects connections
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/// </summary>
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public ImageSharpBase64QRCode()
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{
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qr = new ImageSharpQRCode();
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}
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public ImageSharpBase64QRCode(QRCodeData data)
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: base(data)
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{
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qr = new ImageSharpQRCode(data);
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}
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public override void SetQRCodeData(QRCodeData data)
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{
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qr.SetQRCodeData(data);
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}
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public string GetGraphic(int pixelsPerModule)
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{
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return 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 GetGraphic(pixelsPerModule, Color.Parse(darkColorHtmlHex), Color.Parse(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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var base64 = string.Empty;
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using (Image img = qr.GetGraphic(pixelsPerModule, darkColor, lightColor, drawQuietZones))
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{
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base64 = BitmapToBase64(img, imgType);
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}
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return base64;
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}
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public string GetGraphic(int pixelsPerModule, Color darkColor, Color lightColor, Image icon, int iconSizePercent = 15, int iconBorderWidth = 6, bool drawQuietZones = true, ImageType imgType = ImageType.Png)
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{
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var base64 = string.Empty;
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using (Image bmp = qr.GetGraphic(pixelsPerModule, darkColor, lightColor, icon, iconSizePercent, iconBorderWidth, drawQuietZones))
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{
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base64 = BitmapToBase64(bmp, imgType);
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}
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return base64;
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}
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private string BitmapToBase64(Image img, ImageType imgType)
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{
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var base64 = string.Empty;
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IImageEncoder iFormat;
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switch (imgType)
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{
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default:
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case ImageType.Png:
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iFormat = new SixLabors.ImageSharp.Formats.Png.PngEncoder();
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break;
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case ImageType.Jpeg:
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iFormat = new SixLabors.ImageSharp.Formats.Jpeg.JpegEncoder();
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break;
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case ImageType.Gif:
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iFormat = new SixLabors.ImageSharp.Formats.Gif.GifEncoder();
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break;
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}
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using (var memoryStream = new MemoryStream())
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{
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img.Save(memoryStream, iFormat);
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base64 = Convert.ToBase64String(memoryStream.ToArray(), Base64FormattingOptions.None);
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}
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return base64;
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}
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}
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}

‎QRCoder.ImageSharp/ImageSharpQRCode.cs

+110
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using System;
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using SixLabors.ImageSharp;
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using SixLabors.ImageSharp.PixelFormats;
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using SixLabors.ImageSharp.Processing;
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using static QRCoder.QRCodeGenerator;
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namespace QRCoder.ImageSharp
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{
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public class ImageSharpQRCode : AbstractQRCode, IDisposable
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{
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/// <summary>
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/// Constructor without params to be used in COM Objects connections
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/// </summary>
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public ImageSharpQRCode() { }
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public ImageSharpQRCode(QRCodeData data)
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: base(data) { }
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public Image GetGraphic(int pixelsPerModule)
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{
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return GetGraphic(pixelsPerModule, Color.Black, Color.White, true);
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}
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public Image GetGraphic(int pixelsPerModule, string darkColorHtmlHex, string lightColorHtmlHex, bool drawQuietZones = true)
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{
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return GetGraphic(pixelsPerModule, Color.Parse(darkColorHtmlHex), Color.Parse(lightColorHtmlHex), drawQuietZones);
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}
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public Image GetGraphic(int pixelsPerModule, Color darkColor, Color lightColor, bool drawQuietZones = true)
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{
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var moduleOffset = drawQuietZones ? 0 : 4;
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var size = (QrCodeData.ModuleMatrix.Count - (moduleOffset * 2)) * pixelsPerModule;
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var image = new Image<Rgba32>(size, size);
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DrawQRCode(image, pixelsPerModule, moduleOffset, darkColor, lightColor);
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return image;
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}
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public Image GetGraphic(int pixelsPerModule, Color darkColor, Color lightColor, Image icon = null, int iconSizePercent = 15, int iconBorderWidth = 0, bool drawQuietZones = true, Color? iconBackgroundColor = null)
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{
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var img = GetGraphic(pixelsPerModule, darkColor, lightColor, drawQuietZones) as Image<Rgba32>;
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if (icon != null && iconSizePercent > 0 && iconSizePercent <= 100)
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{
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var iconDestWidth = iconSizePercent * img.Width / 100f;
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var iconDestHeight = iconDestWidth * icon.Height / icon.Width;
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var iconX = (img.Width - iconDestWidth) / 2;
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var iconY = (img.Height - iconDestHeight) / 2;
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var centerDest = new RectangleF(iconX - iconBorderWidth, iconY - iconBorderWidth, iconDestWidth + (iconBorderWidth * 2), iconDestHeight + (iconBorderWidth * 2));
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var iconDestRect = new RectangleF(iconX, iconY, iconDestWidth, iconDestHeight);
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if (iconBorderWidth > 0)
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{
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if (!iconBackgroundColor.HasValue)
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{
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iconBackgroundColor = lightColor;
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}
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if (iconBackgroundColor != Color.Transparent)
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{
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img.ProcessPixelRows(accessor =>
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{
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for (var y = (int)centerDest.Top; y <= (int)centerDest.Bottom; y++)
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{
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var pixelRow = accessor.GetRowSpan(y);
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for (var x = (int)centerDest.Left; x <= (int)centerDest.Right; x++)
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{
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pixelRow[x] = iconBackgroundColor ?? lightColor;
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}
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}
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});
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}
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}
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var sizedIcon = icon.Clone(x => x.Resize((int)iconDestWidth, (int)iconDestHeight));
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img.Mutate(x => x.DrawImage(sizedIcon, new Point((int)iconDestRect.X, (int)iconDestRect.Y), 1));
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}
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return img;
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}
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private void DrawQRCode(Image<Rgba32> image, int pixelsPerModule, int moduleOffset, Color darkColor, Color lightColor)
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{
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var row = new Rgba32[image.Width];
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image.ProcessPixelRows(accessor =>
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{
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for (var modY = moduleOffset; modY < QrCodeData.ModuleMatrix.Count - moduleOffset; modY++)
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{
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// Generate row for this y-Module
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for (var modX = moduleOffset; modX < QrCodeData.ModuleMatrix.Count - moduleOffset; modX++)
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{
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for (var idx = 0; idx < pixelsPerModule; idx++)
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{
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row[((modX - moduleOffset) * pixelsPerModule) + idx] = this.QrCodeData.ModuleMatrix[modY][modX] ? darkColor : lightColor;
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}
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}
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// Copy the prepared row to the image
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for (var idx = 0; idx < pixelsPerModule; idx++)
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{
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var pixelRow = accessor.GetRowSpan(((modY - moduleOffset) * pixelsPerModule) + idx);
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row.CopyTo(pixelRow);
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}
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}
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});
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}
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}
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}

‎QRCoder/Base64QRCode.cs

-8
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@@ -3,7 +3,6 @@
33
using System.Drawing;
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using System.Drawing.Imaging;
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using System.IO;
6-
using static QRCoder.Base64QRCode;
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using static QRCoder.QRCodeGenerator;
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namespace QRCoder
@@ -88,13 +87,6 @@ private string BitmapToBase64(Bitmap bmp, ImageType imgType)
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return base64;
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}
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91-
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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}
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#if NET6_0_WINDOWS

‎QRCoder/ImageSharp/Base64QRCode.cs

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using System;
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using System.IO;
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using SixLabors.ImageSharp;
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using SixLabors.ImageSharp.Formats;
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using static QRCoder.QRCodeGenerator;
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namespace QRCoder.ImageSharp
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{
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public class Base64QRCode : AbstractQRCode, IDisposable
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{
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private QRCode qr;
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/// <summary>
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/// Constructor without params to be used in COM Objects connections
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/// </summary>
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public Base64QRCode()
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{
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qr = new QRCode();
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}
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public Base64QRCode(QRCodeData data)
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: base(data)
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{
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qr = new QRCode(data);
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}
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public override void SetQRCodeData(QRCodeData data)
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{
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qr.SetQRCodeData(data);
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}
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public string GetGraphic(int pixelsPerModule)
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{
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return 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 GetGraphic(pixelsPerModule, Color.Parse(darkColorHtmlHex), Color.Parse(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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var base64 = string.Empty;
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using (Image img = qr.GetGraphic(pixelsPerModule, darkColor, lightColor, drawQuietZones))
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{
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base64 = BitmapToBase64(img, imgType);
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}
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return base64;
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}
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public string GetGraphic(int pixelsPerModule, Color darkColor, Color lightColor, Image icon, int iconSizePercent = 15, int iconBorderWidth = 6, bool drawQuietZones = true, ImageType imgType = ImageType.Png)
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{
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var base64 = string.Empty;
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using (Image bmp = qr.GetGraphic(pixelsPerModule, darkColor, lightColor, icon, iconSizePercent, iconBorderWidth, drawQuietZones))
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{
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base64 = BitmapToBase64(bmp, imgType);
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}
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return base64;
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}
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private string BitmapToBase64(Image img, ImageType imgType)
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{
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var base64 = string.Empty;
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IImageEncoder iFormat;
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switch (imgType)
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{
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default:
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case ImageType.Png:
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iFormat = new SixLabors.ImageSharp.Formats.Png.PngEncoder();
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break;
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case ImageType.Jpeg:
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iFormat = new SixLabors.ImageSharp.Formats.Jpeg.JpegEncoder();
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break;
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case ImageType.Gif:
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iFormat = new SixLabors.ImageSharp.Formats.Gif.GifEncoder();
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break;
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}
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using (var memoryStream = new MemoryStream())
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{
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img.Save(memoryStream, iFormat);
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base64 = Convert.ToBase64String(memoryStream.ToArray(), Base64FormattingOptions.None);
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}
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return base64;
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}
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}
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public static class ImageSharpBase64QRCodeHelper
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{
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public static string GetQRCode(string plainText, int pixelsPerModule, string darkColorHtmlHex, string lightColorHtmlHex, ECCLevel eccLevel, bool forceUtf8 = false, bool utf8BOM = false, EciMode eciMode = EciMode.Default, int requestedVersion = -1, bool drawQuietZones = true, ImageType imgType = ImageType.Png)
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{
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using (var qrGenerator = new QRCodeGenerator())
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using (var qrCodeData = qrGenerator.CreateQrCode(plainText, eccLevel, forceUtf8, utf8BOM, eciMode, requestedVersion))
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using (var qrCode = new Base64QRCode(qrCodeData))
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{
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return qrCode.GetGraphic(pixelsPerModule, darkColorHtmlHex, lightColorHtmlHex, drawQuietZones, imgType);
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}
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}
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}
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}

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