/// <summary>
/// 获取渲染器
/// </summary>
/// <param name="param">条形码参数</param>
private BitmapRenderer GetRenderer(BarcodeParam param)
{
var renderer = new BitmapRenderer();
renderer.Foreground = Color.FromName(param.Foreground.Name);
renderer.Background = Color.FromName(param.Background.Name);
renderer.TextFont = new Font(param.FontName, param.FontSize, param.Bold ? FontStyle.Bold : FontStyle.Regular);
return(renderer);
}
/// <summary>
/// 创建条形码
/// </summary>
/// <param name="param">条形码参数</param>
protected override byte[] Create(BarcodeParam param)
{
using (var bitmap = GetBitmap(param))
{
using (var ms = new MemoryStream())
{
bitmap.Save(ms, ImageFormat.Png);
return(ms.ToArray());
}
}
}
/// <summary>
/// 获取条形码图片
/// </summary>
/// <param name="param">条形码参数</param>
private Bitmap GetBitmap(BarcodeParam param)
{
// 使用ITF 格式，不能被现在常用的支付宝、微信扫出来
// 如果想生成可识别的可以使用 CODE_128 格式
BarcodeWriter <Bitmap> bitmapBarcodeWriter = new BarcodeWriter <Bitmap>()
{
Format = BarcodeFormat.CODE_128,
Options = new Code128EncodingOptions()
{
Margin = param.Margin,
Width = param.Width,
Height = param.Height,
PureBarcode = !param.ShowText,
Hints =
{
{ EncodeHintType.CHARACTER_SET, "UTF-8" },
{ EncodeHintType.ERROR_CORRECTION, _level }
}
},
Renderer = GetRenderer(param)
};
return(bitmapBarcodeWriter.Write(param.Content));
}