public void Process(string[] args)
{
var arguments = new RawArguments();
var allRawInputs = new List <string>();
var options = new OptionSet();
options.Add("h|?|help",
"Show this help message.",
x => ShowHelp(options));
options.Add("in|input=",
@"Accepted inputs:
- a file path
- a directory path
- a file pattern (simple '?' and '*' wildcards are accepted)
- a directory path followed by a file pattern
This parameter can be set multiple times.",
x => allRawInputs.Add(x));
options.Add("out|output:",
"Output file or directory. Default: current directory, same name as the input file.",
x => arguments.RawOutput = x);
options.Add("x|overwrite",
"If set, existing files will be overwritten instead of being ignored.",
x => arguments.Overwrite = true);
options.Add("r|recursive",
"If set, input is browsed recursively.",
x => arguments.Recursive = true);
options.Add("w|width:",
$"Width of the output image. Default: {RawArguments.DefaultWidth}",
x => arguments.RawWidth = x);
options.Add("H|height:",
"Height of the output image. If this argument is not set, the input height will be used.",
x => arguments.RawHeight = x);
options.Add("b|barwidth|barWidth:",
$"Width of each bar in the output image. Default: {RawArguments.DefaultBarWidth}",
x => arguments.RawBarWidth = x);
options.Add("s|smooth",
"Also generate a smooth version of the output, suffixed with '_smoothed'.",
x => arguments.Smooth = true);
options.Parse(args);
if (arguments.RawHeight == null)
{
arguments.UseInputHeight = true;
}
var expandedInputFileList = CLIUtils.GetExpandedAndValidatedFilePaths(allRawInputs, arguments.Recursive).ToList();
if (expandedInputFileList.Any())
{
foreach (var file in expandedInputFileList)
{
arguments.RawInput = file; // FIXME: copy instead of changing in place...
DealWithOneInputFile(arguments);
}
}
else
{
Console.WriteLine("No input.");
}
Console.WriteLine($"Exiting...");
}
private void DealWithOneInputFile(RawArguments arguments)
{
Console.WriteLine($"Processing file '{arguments.RawInput}':");
CompleteBarCodeGenerationParameters parameters;
try
{
parameters = _barCodeParametersValidator.GetValidatedParameters(
rawInputPath: arguments.RawInput,
rawOutputPath: arguments.RawOutput,
rawBarWidth: arguments.RawBarWidth,
rawImageWidth: arguments.RawWidth,
rawImageHeight: arguments.RawHeight,
useInputHeightForOutput: arguments.UseInputHeight,
generateSmoothVersion: arguments.Smooth,
// Choosing whether to overwrite or not is done after validating parameters, not here
shouldOverwriteOutput: x => true);
}
catch (ParameterValidationException ex)
{
Console.Error.WriteLine($"Invalid parameters: {ex.Message}");
return;
}
if (File.Exists(parameters.OutputPath) && arguments.Overwrite == false)
{
// Check once before generating the image, and once just before saving.
Console.WriteLine($"WARNING: skipped file {parameters.OutputPath} because it already exists.");
return;
}
var result = _imageProcessor.CreateBarCode(
parameters.InputPath,
parameters.BarCode,
_ffmpegWrapper,
CancellationToken.None,
null,
x => Console.WriteLine(x));
try
{
if (File.Exists(parameters.OutputPath) && arguments.Overwrite == false)
{
// Check once before generating the image, and once just before saving.
Console.WriteLine($"WARNING: skipped file {parameters.OutputPath} because it already exists.");
}
else
{
result.Save(parameters.OutputPath);
Console.WriteLine($"File {parameters.OutputPath} saved successfully!");
}
}
catch (Exception ex)
{
Console.Error.WriteLine($"Unable to save the image: {ex}");
}
if (parameters.GenerateSmoothedOutput)
{
Bitmap smoothed;
try
{
smoothed = _imageProcessor.GetSmoothedCopy(result);
try
{
if (File.Exists(parameters.OutputPath) && arguments.Overwrite == false)
{
Console.WriteLine($"WARNING: skipped file {parameters.OutputPath} because it already exists.");
}
else
{
smoothed.Save(parameters.SmoothedOutputPath);
Console.WriteLine($"File {parameters.SmoothedOutputPath} saved successfully!");
}
}
catch (Exception ex)
{
Console.Error.WriteLine($"Unable to save the smoothed image: {ex}");
}
}
catch (Exception ex)
{
Console.Error.WriteLine($"An error occured while creating the smoothed version of the barcode. Error: {ex}");
}
}
}