/// <summary>
/// 生成二维码
/// </summary>
/// <param name="content">要生成的二维码的内容</param>
/// <param name="logoPath">二维码上图标文件的路径(为空时则不会生成图标)</param>
/// <param name="configuration">生成二维码的配置<para>为空时使用<see cref="GenerateCodeConfiguration.QrCodeDefault"/></para></param>
/// <returns></returns>
public static Bitmap GenerateQrCode(string content, string logoPath, GenerateCodeConfiguration configuration = null)
{
Bitmap logo = null;
if (!string.IsNullOrEmpty(logoPath) && File.Exists(logoPath))
{
logo = new Bitmap(logoPath);
}
return(GenerateQrCode(content, logo, configuration));
}
/// <summary>
/// 生成条形码
/// </summary>
/// <param name="content">要生成的条形码的内容</param>
/// <param name="configuration">生成条形码的配置<para>为空时使用<see cref="GenerateCodeConfiguration.BarCodeDefault"/></para></param>
/// <returns></returns>
public static Bitmap GenerateBarCode(string content, GenerateCodeConfiguration configuration = null)
{
if (configuration == null)
{
configuration = GenerateCodeConfiguration.BarCodeDefault;
}
BarcodeWriter codeWriter = new BarcodeWriter();
codeWriter.Format = BarcodeFormat.CODE_128;
codeWriter.Options = new EncodingOptions()
{
Height = configuration.CodeHeight,
Width = configuration.CodeWidth,
Margin = configuration.CodeMargin,
};
codeWriter.Options.Hints[EncodeHintType.CHARACTER_SET] = configuration.CodeCharset;
Bitmap result = codeWriter.Write(content);
return(result);
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="content">要生成的二维码的内容</param>
/// <param name="logo">二维码上图标的<see cref="Bitmap"/>资源(为空时则不会生成图标)</param>
/// <param name="configuration">生成二维码的配置<para>为空时使用<see cref="GenerateCodeConfiguration.QrCodeDefault"/></para></param>
/// <returns></returns>
public static Bitmap GenerateQrCode(string content, Bitmap logo, GenerateCodeConfiguration configuration = null)
{
if (configuration == null)
{
configuration = GenerateCodeConfiguration.QrCodeDefault;
}
MultiFormatWriter formatWriter = new MultiFormatWriter();
Dictionary <EncodeHintType, object> configs = new Dictionary <EncodeHintType, object>()
{
{ EncodeHintType.CHARACTER_SET, configuration.CodeCharset },
{ EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H },
{ EncodeHintType.MARGIN, configuration.CodeMargin },
{ EncodeHintType.DISABLE_ECI, true }
};
BitMatrix matrix = formatWriter.encode(content, BarcodeFormat.QR_CODE, configuration.CodeWidth, configuration.CodeHeight, configs);
BarcodeWriter codeWriter = new BarcodeWriter();
Bitmap result = codeWriter.Write(matrix);
if (logo != null)
{
result = DrawCodeLogo(codeBitmap: result, matrixRectangle: matrix.getEnclosingRectangle(), codeLogo: logo, configuration: configuration);
}
return(result);
}
/// <summary>
/// 绘制二维码logo
/// </summary>
/// <param name="codeBitmap">要绘制logo的二维码<see cref="Bitmap"/>资源</param>
/// <param name="matrixRectangle">要绘制logo的二维码<see cref="Bitmap"/>资源的矩阵信息
/// <para>
/// <list type="bullet">
/// <item>矩阵第0位:左边距</item>
/// <item>矩阵第1位:上边距</item>
/// <item>矩阵第2位:二维码的宽</item>
/// <item>矩阵第0位:二维码的高</item>
/// </list>
/// </para>
/// </param>
/// <param name="codeLogo">logo的<see cref="Bitmap"/>资源</param>
/// <param name="configuration">生成二维码/条码的配置</param>
/// <returns></returns>
public static Bitmap DrawCodeLogo(Bitmap codeBitmap, int[] matrixRectangle, Bitmap codeLogo, GenerateCodeConfiguration configuration)
{
if (codeBitmap == null)
{
return(null);
}
if (configuration == null)
{
return(codeBitmap);
}
if (matrixRectangle == null || matrixRectangle.Length < 4)
{
return(codeBitmap);
}
if (configuration.LogoWidth <= 0)
{
configuration.LogoWidth = codeLogo.Width;
}
if (configuration.LogoHeight <= 0)
{
configuration.LogoHeight = codeLogo.Height;
}
if (codeLogo == null)
{
return(codeBitmap);
}
configuration.LogoWidth = Math.Min(configuration.LogoWidth, (int)matrixRectangle[2] / 3);
configuration.LogoHeight = Math.Min(configuration.LogoHeight, (int)matrixRectangle[3] / 3);
int logoLeft = codeBitmap.Width - configuration.LogoWidth;
int logoTop = codeBitmap.Height - configuration.LogoHeight;
Bitmap result = new Bitmap(codeBitmap.Width, codeBitmap.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
using (Graphics graphics = Graphics.FromImage(result))
{
graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
graphics.DrawImage(codeBitmap, 0, 0, codeBitmap.Width, codeBitmap.Height);
graphics.FillRectangle(Brushes.White, logoLeft, logoTop, configuration.LogoWidth, configuration.LogoHeight);
graphics.DrawImage(codeLogo, logoLeft, logoTop, configuration.LogoWidth, configuration.LogoHeight);
}
return(result);
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="content">要生成的二维码的内容</param>
/// <param name="configuration">生成二维码的配置<para>为空时使用<see cref="GenerateCodeConfiguration.QrCodeDefault"/></para></param>
/// <returns></returns>
public static Bitmap GenerateQrCode(string content, GenerateCodeConfiguration configuration = null)
{
return(GenerateQrCode(content, string.Empty, configuration));
}
