public static void Process(CLIOption.Result opt, string imageFile, Action <dynamic> postProcess, int maxRetries = 10)
{
for (var i = 0; i < maxRetries; i++)
{
Console.WriteLine($"[OCR] {imageFile}");
try
{
if (ProcessImpl(opt, imageFile, postProcess))
{
Console.WriteLine($"[OK]");
return;
}
}
catch (Exception ex)
{
Console.Error.WriteLine(ex.ToString());
}
finally
{
GC.Collect();
}
var waitSec = (int)Math.Pow(i + 1, 2);
Console.WriteLine($"[NG]");
Console.WriteLine($"Waiting {waitSec} sec...");
Task.Delay(waitSec * 1000).Wait();
}
}
private static Option <Task <dynamic> > Image2Html(
CLIOption.Result opt, string imageFile, string jsonFile, string htmlFile, string cssFile, string jsFile)
{
return(GetLossyImageBytes(imageFile).Map(async x =>
{
var languageHints = SerializeLanguageHints(opt.LanguageHints);
using (var client = new HttpClient())
{
var r = await GoogleCloudVision.QueryGoogleCloudVisionAPI(client, opt.EntryPoint, languageHints, opt.GoogleAPIKey, x);
Console.WriteLine($"StatusCode: {r.StatusCode}");
if ((int)r.StatusCode == 200)
{
var jsonText = await r.Content.ReadAsStringAsync();
dynamic json = JsonConvert.DeserializeObject(jsonText);
File.WriteAllText(jsonFile, jsonText);
Json2Html(imageFile, jsonFile, htmlFile, cssFile, jsFile, jsonText);
return json;
}
else
{
var responseText = await r.Content.ReadAsStringAsync();
Console.Error.WriteLine($"Response Headers: {r.Headers.ToString()}");
Console.Error.WriteLine($"Response Content: {responseText}");
return (dynamic) new Object();
}
}
}));
}
private static bool ProcessImpl(CLIOption.Result opt, string imageFile, Action <dynamic> postProcess)
{
if (!IsImageExtension(imageFile))
{
return(true);
}
var parent = Directory.GetParent(Path.GetFullPath(imageFile)).FullName;
var jsonFile = imageFile + ".json";
var htmlFile = imageFile + ".html";
var cssFile = Path.Combine(parent, "cOCR.css");
var jsFile = Path.Combine(parent, "cOCR.js");
if (File.Exists(jsonFile))
{
if (File.Exists(htmlFile))
{
return(true);
}
var jsonText = File.ReadAllText(jsonFile);
Json2Html(imageFile, jsonFile, htmlFile, cssFile, jsFile, jsonText);
if (File.Exists(htmlFile))
{
return(true);
}
try
{
File.Delete(jsonFile);
}
catch (Exception ex)
{
Console.Error.WriteLine(ex.ToString());
}
}
return(Image2Html(opt, imageFile, jsonFile, htmlFile, cssFile, jsFile).Match(x =>
{
try
{
x.Wait();
var json = x.Result;
postProcess(json);
return true;
}
catch (Exception ex)
{
Console.Error.WriteLine(ex.ToString());
}
return false;
},
() => false));
}
public static void BulkProcess(CLIOption.Result opt, Action <dynamic> postProcess)
{
var files = Directory.EnumerateFiles(opt.Directory, "*", SearchOption.AllDirectories);
var index = 0;
foreach (var file in files)
{
if (IsImageExtension(file))
{
var fullPath = Path.GetFullPath(file);
Console.WriteLine($"[{index}] {fullPath}");
Process(opt, fullPath, postProcess);
index += 1;
}
}
}
public static void BulkProcess(CLIOption.Result opt)
=> BulkProcess(opt, (d) => { });
public Form1(CLIOption.Result opt)
{
this.cliOption = opt;
InitializeComponent();
if (opt.Bulk)
{
throw new InvalidOperationException();
}
Console.WriteLine("Mode: FileSystemWatcher");
fsWatcher.Path = opt.Directory;
fsWatcher.Filter = "*";
fsWatcher.NotifyFilter = NotifyFilters.FileName;
fsWatcher.IncludeSubdirectories = true;
fsWatcher.Created += (Object sender, FileSystemEventArgs args) =>
{
if (args.ChangeType == WatcherChangeTypes.Created)
{
if (Processor.IsImageExtension(args.FullPath))
{
Console.WriteLine($"[Created] {args.FullPath}");
Processor.Process(opt, args.FullPath, (json) =>
{
string text = json.responses[0].fullTextAnnotation.text;
if (opt.Clipboard)
{
InvokeProperly(() =>
{
try
{
ClipboardHelper.SetText(text);
}
catch (Exception ex)
{
Console.Error.WriteLine(ex.ToString());
}
});
}
if (opt.ShowResult)
{
try
{
System.Diagnostics.Process.Start(args.FullPath + ".html");
}
catch (Exception ex)
{
Console.Error.WriteLine(ex.ToString());
}
}
if (opt.Notice)
{
InvokeProperly(() =>
{
ShowBalloon(text, ToolTipIcon.Info, 5);
});
}
});
}
}
};
fsWatcher.EnableRaisingEvents = true;
}