/// <summary>
/// 为QR添加背景
/// </summary>
public static void AddBKForQR(string bkAddr, string QrAddr, string finalFileAddr)
{
Bitmap bkImg = new Bitmap(bkAddr);
Image qrImg = Image.FromFile(QrAddr);
Bitmap finImg = ImgHelper.CombineImageToCenter(bkImg, qrImg);
finImg.Save(finalFileAddr);
finImg.Dispose();
qrImg.Dispose();
}
//为QR添加Logo
public static void AddLogoForQR(string logoUrl, Bitmap qrBitmap, string saveFilePath, List <string> text = null, int width = 132, int height = 132)
{
var LogoImg = ImgHelper.GetImgFromUrl(logoUrl);
LogoImg = ImgHelper.resizeImage(LogoImg, new Size(width, height));
LogoImg = ImgHelper.AddImgBorder(new Bitmap(LogoImg), 8, Color.Wheat);
LogoImg = ImgHelper.DrawTransparentRoundCornerImage(LogoImg, 20);
Bitmap finImg = ImgHelper.CombineImageToCenter(qrBitmap, LogoImg);
if (text != null)
{
finImg = AddStringUnderQR(finImg, text);
}
finImg.Save(saveFilePath);
finImg.Dispose();
LogoImg.Dispose();
}
