/// <inheritdoc cref="ToPng(QrCode, int, int)"/>
/// <param name="background">The background color.</param>
/// <param name="foreground">The foreground color.</param>
public static byte[] ToPng(this QrCode qrCode, int scale, int border, Color foreground, Color background)
{
using Image image = qrCode.ToBitmap(scale, border, foreground, background);
using MemoryStream ms = new MemoryStream();
image.SaveAsPng(ms);
return(ms.ToArray());
}
/// <inheritdoc cref="SaveAsPng(QrCode, string, int, int)"/>
/// <param name="background">The background color.</param>
/// <param name="foreground">The foreground color.</param>
public static void SaveAsPng(this QrCode qrCode, string filename, int scale, int border, SKColor foreground, SKColor background)
{
using SKBitmap bitmap = qrCode.ToBitmap(scale, border, foreground, background);
using SKData data = bitmap.Encode(SKEncodedImageFormat.Png, 90);
using FileStream stream = File.OpenWrite(filename);
data.SaveTo(stream);
}
/// <inheritdoc cref="ToPng(QrCode, int, int)"/>
/// <param name="background">The background color.</param>
/// <param name="foreground">The foreground color.</param>
public static byte[] ToPng(this QrCode qrCode, int scale, int border, Color foreground, Color background)
{
using Bitmap bitmap = qrCode.ToBitmap(scale, border, foreground, background);
using MemoryStream ms = new MemoryStream();
bitmap.Save(ms, ImageFormat.Png);
return(ms.ToArray());
}
/// <summary>
/// Creates a bitmap (raster image) of this QR code.
/// <para>
/// The <paramref name="scale"/> parameter specifies the scale of the image, which is
/// equivalent to the width and height of each QR code module. Additionally, the number
/// of modules to add as a border to all four sides can be specified.
/// </para>
/// <para>
/// For example, <c>ToBitmap(scale: 10, border: 4)</c> means to pad the QR code with 4 white
/// border modules on all four sides, and use 10×10 pixels to represent each module.
/// </para>
/// <para>
/// The resulting bitmap uses the pixel format <see cref="PixelFormat.Format24bppRgb"/>.
/// If not specified, the foreground color is black (0x000000) und the background color always white (0xFFFFFF).
/// </para>
/// </summary>
/// <param name="scale">The width and height, in pixels, of each module.</param>
/// <param name="border">The number of border modules to add to each of the four sides.</param>
/// <returns>The created bitmap representing this QR code.</returns>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="scale"/> is 0 or negative, <paramref name="border"/> is negative
/// or the resulting image is wider than 32,768 pixels.</exception>
public static Image ToBitmap(this QrCode qrCode, int scale, int border)
{
return(qrCode.ToBitmap(scale, border, Color.Black, Color.White));
}
/// <inheritdoc cref="SaveAsPng(QrCode, string, int, int)"/>
/// <param name="background">The background color.</param>
/// <param name="foreground">The foreground color.</param>
public static void SaveAsPng(this QrCode qrCode, string filename, int scale, int border, Color foreground, Color background)
{
using Image image = qrCode.ToBitmap(scale, border, foreground, background);
image.SaveAsPng(filename);
}
/// <summary>
/// Creates a bitmap (raster image) of this QR code.
/// <para>
/// The <paramref name="scale"/> parameter specifies the scale of the image, which is
/// equivalent to the width and height of each QR code module. Additionally, the number
/// of modules to add as a border to all four sides can be specified.
/// </para>
/// <para>
/// For example, <c>ToBitmap(scale: 10, border: 4)</c> means to pad the QR code with 4 white
/// border modules on all four sides, and use 10×10 pixels to represent each module.
/// </para>
/// <para>
/// The resulting bitmap uses the pixel format <see cref="PixelFormat.Format24bppRgb"/>.
/// If not specified, the foreground color is black (0x000000) und the background color always white (0xFFFFFF).
/// </para>
/// </summary>
/// <param name="scale">The width and height, in pixels, of each module.</param>
/// <param name="border">The number of border modules to add to each of the four sides.</param>
/// <returns>The created bitmap representing this QR code.</returns>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="scale"/> is 0 or negative, <paramref name="border"/> is negative
/// or the resulting image is wider than 32,768 pixels.</exception>
public static SKBitmap ToBitmap(this QrCode qrCode, int scale, int border)
{
return(qrCode.ToBitmap(scale, border, SKColors.Black, SKColors.White));
}
/// <inheritdoc cref="ToPng(QrCode, int, int)"/>
/// <param name="background">The background color.</param>
/// <param name="foreground">The foreground color.</param>
public static byte[] ToPng(this QrCode qrCode, int scale, int border, SKColor foreground, SKColor background)
{
using SKBitmap bitmap = qrCode.ToBitmap(scale, border, foreground, background);
using SKData data = bitmap.Encode(SKEncodedImageFormat.Png, 90);
return(data.ToArray());
}
/// <inheritdoc cref="SaveAsPng(QrCode, string, int, int)"/>
/// <param name="background">The background color.</param>
/// <param name="foreground">The foreground color.</param>
public static void SaveAsPng(this QrCode qrCode, string filename, int scale, int border, Color foreground, Color background)
{
using Bitmap bitmap = qrCode.ToBitmap(scale, border, foreground, background);
bitmap.Save(filename, ImageFormat.Png);
}
