private void OnSavePNG(object sender, EventArgs e)
{
// save file dialog box
SaveFileDialog Dialog = new SaveFileDialog();
Dialog.DefaultExt = ".png";
Dialog.AddExtension = true;
Dialog.Filter = "Png image files (*.png)|*.png";
Dialog.Title = "Save barcode in PNG format";
Dialog.InitialDirectory = Directory.GetCurrentDirectory();
Dialog.RestoreDirectory = true;
Dialog.FileName = "QRCodePNGImage.png";
if (Dialog.ShowDialog() != DialogResult.OK)
{
return;
}
// save image as png file
QRCodeEncoder.SaveQRCodeToPngFile(Dialog.FileName);
// start image editor
Process.Start(Dialog.FileName);
return;
}
/// <summary>
/// Command line encode
/// </summary>
/// <param name="Args">Arguments array</param>
public static void Encode
(
string[] Args
)
{
// help
if (Args == null || Args.Length < 2)
{
throw new ArgumentException("help");
}
bool TextFile = false;
string InputFileName = null;
string OutputFileName = null;
string Code;
string Value;
QREncoder Encoder = new QREncoder();
for (int ArgPtr = 0; ArgPtr < Args.Length; ArgPtr++)
{
string Arg = Args[ArgPtr];
// file name
if (Arg[0] != '/' && Arg[0] != '-')
{
if (InputFileName == null)
{
InputFileName = Arg;
continue;
}
if (OutputFileName == null)
{
OutputFileName = Arg;
continue;
}
throw new ArgumentException(string.Format("Invalid option. Argument={0}", ArgPtr + 1));
}
// search for colon
int Ptr = Arg.IndexOf(':');
if (Ptr < 0)
{
Ptr = Arg.IndexOf('=');
}
if (Ptr > 0)
{
Code = Arg.Substring(1, Ptr - 1);
Value = Arg.Substring(Ptr + 1);
}
else
{
Code = Arg.Substring(1);
Value = string.Empty;
}
Code = Code.ToLower();
Value = Value.ToLower();
switch (Code)
{
case "error":
case "e":
ErrorCorrection EC;
switch (Value)
{
case "low":
case "l":
EC = ErrorCorrection.L;
break;
case "medium":
case "m":
EC = ErrorCorrection.M;
break;
case "quarter":
case "q":
EC = ErrorCorrection.Q;
break;
case "high":
case "h":
EC = ErrorCorrection.H;
break;
default:
throw new ArgumentException("Error correction option in error");
}
Encoder.ErrorCorrection = EC;
break;
case "module":
case "m":
if (!int.TryParse(Value, out int ModuleSize))
{
ModuleSize = -1;
}
Encoder.ModuleSize = ModuleSize;
break;
case "quiet":
case "q":
if (!int.TryParse(Value, out int QuietZone))
{
QuietZone = -1;
}
Encoder.QuietZone = QuietZone;
break;
case "text":
case "t":
TextFile = true;
break;
default:
throw new ApplicationException(string.Format("Invalid argument no {0}, code {1}", ArgPtr + 1, Code));
}
}
if (TextFile)
{
string InputText = File.ReadAllText(InputFileName);
Encoder.Encode(InputText);
}
else
{
byte[] InputBytes = File.ReadAllBytes(InputFileName);
Encoder.Encode(InputBytes);
}
Encoder.SaveQRCodeToPngFile(OutputFileName);
return;
}