// Convert QR Code back to URL
private void btnConvert_Click(object sender, EventArgs e)
{
QRCodeDecoder decoder = new QRCodeDecoder();
MessageBox.Show(decoder.decode(new QRCodeBitmapImage(pbQR.Image as Bitmap)));
}
public Dictionary <string, string> LerVariosQRCode(string caminhoPDF, string diretorio)
{
Dictionary <string, string> output = new Dictionary <string, string>();
caminhos = ImageConvertor.ConvertPDFToImage(new PdfReader(caminhoPDF), diretorio, new PdfReader(caminhoPDF).NumberOfPages).ToList();
MessagingToolkit.QRCode.Codec.QRCodeDecoder dec = new MessagingToolkit.QRCode.Codec.QRCodeDecoder();
try
{
foreach (var caminho in caminhos)
{
try
{
Bitmap bitmap = new Bitmap(System.Drawing.Image.FromFile(caminho));
output.Add(caminho, dec.decode(new MessagingToolkit.QRCode.Codec.Data.QRCodeBitmapImage(bitmap)));
bitmap.Dispose();
GC.SuppressFinalize(bitmap);
}
catch (Exception)
{
continue;
}
}
return(output);
}
finally
{
GC.SuppressFinalize(dec);
GC.SuppressFinalize(output);
File.Delete(caminhoPDF);
}
}
public static Store ReadImage(Bitmap file)
{
using (file)
{
MessagingToolkit.QRCode.Codec.QRCodeDecoder decoder = new MessagingToolkit.QRCode.Codec.QRCodeDecoder();
string res = decoder.decode(new QRCodeBitmapImage(file));
return(JsonConvert.DeserializeObject <Store>(res));
}
}