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Add ImageSharp renderers for .net 6.0, 5.0 and standart 2.0
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8 files changed

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‎QRCoder/Base64QRCode.cs

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@@ -3,7 +3,6 @@
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.IO;
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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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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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}

‎QRCoder/ImageSharp/QRCode.cs

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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 QRCode : 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 QRCode() { }
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public QRCode(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)
30+
{
31+
var moduleOffset = drawQuietZones ? 0 : 4;
32+
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)
60+
{
61+
img.ProcessPixelRows(accessor =>
62+
{
63+
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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{
69+
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));
77+
img.Mutate(x => x.DrawImage(sizedIcon, new Point((int)iconDestRect.X, (int)iconDestRect.Y), 1));
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}
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80+
return img;
81+
}
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83+
private void DrawQRCode(Image<Rgba32> image, int pixelsPerModule, int moduleOffset, Color darkColor, Color lightColor)
84+
{
85+
var row = new Rgba32[image.Width];
86+
87+
image.ProcessPixelRows(accessor =>
88+
{
89+
for (var modY = moduleOffset; modY < QrCodeData.ModuleMatrix.Count - moduleOffset; modY++)
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{
91+
// Generate row for this y-Module
92+
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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{
96+
row[((modX - moduleOffset) * pixelsPerModule) + idx] = this.QrCodeData.ModuleMatrix[modY][modX] ? darkColor : lightColor;
97+
}
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}
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// Copy the prepared row to the image
101+
for (var idx = 0; idx < pixelsPerModule; idx++)
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{
103+
var pixelRow = accessor.GetRowSpan(((modY - moduleOffset) * pixelsPerModule) + idx);
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row.CopyTo(pixelRow);
105+
}
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}
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});
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}
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}
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public static class ImageSharpQRCodeHelper
112+
{
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public static Image GetQRCode(string plainText, int pixelsPerModule, Color darkColor, Color lightColor, ECCLevel eccLevel, bool forceUtf8 = false, bool utf8BOM = false, EciMode eciMode = EciMode.Default, int requestedVersion = -1, Image icon = null, int iconSizePercent = 15, int iconBorderWidth = 0, bool drawQuietZones = true)
114+
{
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using (var qrGenerator = new QRCodeGenerator())
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using (var qrCodeData = qrGenerator.CreateQrCode(plainText, eccLevel, forceUtf8, utf8BOM, eciMode, requestedVersion))
117+
using (var qrCode = new QRCode(qrCodeData))
118+
{
119+
return qrCode.GetGraphic(pixelsPerModule,
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darkColor,
121+
lightColor,
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icon,
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iconSizePercent,
124+
iconBorderWidth,
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drawQuietZones);
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}
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}
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}
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}

‎QRCoder/ImageType.cs

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namespace QRCoder
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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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}
9+
}

‎QRCoder/QRCoder.csproj

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@@ -4,7 +4,7 @@
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<TargetFrameworks>net35;net40;netstandard1.3;netstandard2.0;net5.0;net5.0-windows;net6.0;net6.0-windows</TargetFrameworks>
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<PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
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<DefineConstants Condition="'$(TargetFramework)' == 'net5.0-windows'">$(DefineConstants);NET5_0_WINDOWS</DefineConstants>
7-
<DefineConstants Condition="'$(TargetFramework)' == 'net6.0-windows'">$(DefineConstants);NET6_0_WINDOWS</DefineConstants>
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<DefineConstants Condition="'$(TargetFramework)' == 'net6.0-windows'">$(DefineConstants);NET6_0_WINDOWS</DefineConstants>
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<CheckEolTargetFramework>false</CheckEolTargetFramework>
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<DisableImplicitNuGetFallbackFolder>true</DisableImplicitNuGetFallbackFolder>
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</PropertyGroup>
@@ -48,9 +48,17 @@
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<ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'net5.0' or '$(TargetFramework)' == 'net5.0-windows' ">
4949
<PackageReference Include="System.Drawing.Common" Version="5.0.3" />
5050
</ItemGroup>
51-
<ItemGroup Condition=" '$(TargetFramework)' == 'net6.0-windows' ">
52-
<PackageReference Include="System.Drawing.Common" Version="6.0.0" />
53-
</ItemGroup>
51+
<ItemGroup Condition=" '$(TargetFramework)' == 'net6.0-windows' ">
52+
<PackageReference Include="System.Drawing.Common" Version="6.0.0" />
53+
</ItemGroup>
54+
<ItemGroup Condition=" $(TargetFramework.StartsWith('net5.0')) == true or $(TargetFramework.StartsWith('net6.0')) == true or '$(TargetFramework)' == 'netstandard2.0' ">
55+
<PackageReference Include="SixLabors.ImageSharp" Version="2.1.4" />
56+
</ItemGroup>
57+
58+
<ItemGroup Condition=" $(TargetFramework.StartsWith('net5.0')) != true and $(TargetFramework.StartsWith('net6.0')) != true and '$(TargetFramework)' != 'netstandard2.0' ">
59+
<None Include="ImageSharp\*" />
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<Compile Remove="ImageSharp\*" />
61+
</ItemGroup>
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<PropertyGroup>
5664
<FrameworkPathOverride Condition="'$(TargetFramework)' == 'net35'">$(MSBuildProgramFiles32)\Reference Assemblies\Microsoft\Framework\.NETFramework\v3.5\Profile\Client</FrameworkPathOverride>

‎QRCoderConsole/Program.cs

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using System;
2+
#if !IMAGE_SHARP
23
using System.Drawing.Imaging;
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#else
5+
using SixLabors.ImageSharp;
6+
using SixLabors.ImageSharp.Formats;
7+
using SixLabors.ImageSharp.Formats.Jpeg;
8+
using SixLabors.ImageSharp.Formats.Png;
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using SixLabors.ImageSharp.Formats.Gif;
10+
using SixLabors.ImageSharp.Formats.Bmp;
11+
using SixLabors.ImageSharp.Formats.Tiff;
12+
#endif
313
using System.IO;
414
using NDesk.Options;
515
using QRCoderConsole.DataObjects;
@@ -147,6 +157,7 @@ private static void GenerateQRCode(string payloadString, QRCodeGenerator.ECCLeve
147157
case SupportedImageFormat.Gif:
148158
case SupportedImageFormat.Bmp:
149159
case SupportedImageFormat.Tiff:
160+
#if !IMAGE_SHARP
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using (var code = new QRCode(data))
151162
{
152163
using (var bitmap = code.GetGraphic(pixelsPerModule, foreground, background, true))
@@ -155,6 +166,17 @@ private static void GenerateQRCode(string payloadString, QRCodeGenerator.ECCLeve
155166
bitmap.Save(outputFileName, actualFormat);
156167
}
157168
}
169+
#else
170+
using (var code = new QRCoder.ImageSharp.QRCode(data))
171+
{
172+
using (var bitmap = code.GetGraphic(pixelsPerModule, foreground, background, true))
173+
{
174+
var actualFormat = new OptionSetter().GetImageFormat(imgFormat.ToString());
175+
bitmap.Save(outputFileName, actualFormat);
176+
}
177+
}
178+
#endif
179+
158180
break;
159181
case SupportedImageFormat.Svg:
160182
using (var code = new SvgQRCode(data))
@@ -251,9 +273,7 @@ public QRCodeGenerator.ECCLevel GetECCLevel(string value)
251273
return level;
252274
}
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254-
#if NET6_0_WINDOWS
255-
[System.Runtime.Versioning.SupportedOSPlatform("windows")]
256-
#endif
276+
#if !IMAGE_SHARP
257277
public ImageFormat GetImageFormat(string value)
258278
{
259279
switch (value.ToLower())
@@ -273,6 +293,27 @@ public ImageFormat GetImageFormat(string value)
273293
return ImageFormat.Png;
274294
}
275295
}
296+
#else
297+
public IImageEncoder GetImageFormat(string value)
298+
{
299+
switch (value.ToLower())
300+
{
301+
case "jpg":
302+
return new JpegEncoder();
303+
case "jpeg":
304+
return new PngEncoder();
305+
case "gif":
306+
return new GifEncoder();
307+
case "bmp":
308+
return new BmpEncoder();
309+
case "tiff":
310+
return new TiffEncoder();
311+
case "png":
312+
default:
313+
return new PngEncoder();
314+
}
315+
}
316+
#endif
276317
}
277318
}
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‎QRCoderConsole/QRCoderConsole.csproj

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<!-- <UseWindowsForms Condition="'$(TargetFramework)' == 'net5.0-windows' or '$(TargetFramework)' == 'net5.0-windows'">true</UseWindowsForms>-->
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<UseWPF Condition="'$(TargetFramework)' == 'net5.0-windows' or '$(TargetFramework)' == 'net6.0-windows'">true</UseWPF>
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<DefineConstants Condition="'$(TargetFramework)' == 'net5.0-windows'">$(DefineConstants);NET5_0_WINDOWS</DefineConstants>
8-
<DefineConstants Condition="'$(TargetFramework)' == 'net6.0-windows'">$(DefineConstants);NET6_0_WINDOWS</DefineConstants>
8+
<DefineConstants Condition="'$(TargetFramework)' == 'net6.0-windows'">$(DefineConstants);NET6_0_WINDOWS</DefineConstants>
9+
<DefineConstants Condition=" $(TargetFramework.StartsWith('net5.0')) == true or $(TargetFramework.StartsWith('net6.0')) == true or '$(TargetFramework)' == 'netstandard2.0' ">$(DefineConstants);IMAGE_SHARP</DefineConstants>
910
<Externalconsole>true</Externalconsole>
1011
<OutputType>Exe</OutputType>
1112
<GenerateAssemblyInfo>false</GenerateAssemblyInfo>

‎readme.md

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@@ -84,6 +84,8 @@ Besides the normal QRCode class (which is shown in the example above) for creati
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* [SvgQRCode](https://github.com/codebude/QRCoder/wiki/Advanced-usage---QR-Code-renderers#26-svgqrcode-renderer-in-detail)
8585
* [UnityQRCode](https://github.com/codebude/QRCoder/wiki/Advanced-usage---QR-Code-renderers#27-unityqrcode-renderer-in-detail) (_via [QRCoder.Unity](https://www.nuget.org/packages/QRCoder.Unity)_)
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* [XamlQRCode](https://github.com/codebude/QRCoder/wiki/Advanced-usage---QR-Code-renderers#28-xamlqrcode-renderer-in-detail) (_via [QRCoder.Xaml](https://www.nuget.org/packages/QRCoder.Xaml)_)
87+
* ImageSharp.QRCode (repeats logic of QRCode but uses ImageSharp under the hood)
88+
* ImageSharp.Base64QRCode (repeats logic of Base64QRCode but uses ImageSharp under the hood)
8789

8890
*Note: Please be aware that not all renderers are available on all target frameworks. Please check the [compatibility table](https://github.com/codebude/QRCoder/wiki/Advanced-usage---QR-Code-renderers#2-overview-of-the-different-renderers) in our wiki, to see if a specific renderer is available on your favourite target framework.*
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