public static OcrResult Load(OcrImage image, string language, OcrEngineType targetType)
{
try
{
string ip = null;
foreach (KeyValuePair <string, Dictionary <OcrEngineType, List <string> > > remoteType in RemoteTypes)
{
if (remoteType.Value.ContainsKey(targetType))
{
ip = remoteType.Key;
break;
}
}
if (string.IsNullOrWhiteSpace(ip))
{
return(OcrResult.Create(OcrResultType.NotInstalled));
}
using (WebClient webClient = new WebClient())
{
string url = "http://" + ip + ":" + port + "/" + RunOcrCommand;
webClient.Proxy = null;
webClient.Encoding = Encoding.UTF8;
string response = webClient.UploadString(url, string.Format("type={0}&language={1}&data={2}",
targetType.ToString(), language, HttpUtility.UrlEncode(Convert.ToBase64String(image.ToBinary()))));
return(OcrResult.FromBinary(Convert.FromBase64String(HttpUtility.UrlDecode(response))));
}
}
catch (Exception e)
{
return(OcrResult.Create(OcrResultType.Exception, e.ToString()));
}
}
public OcrResult LoadFile(string file, string language)
{
try
{
if (!File.Exists(file))
{
return(OcrResult.Create(OcrResultType.InvalidFilePath));
}
OcrImage image = new OcrImage();
try
{
using (Image bitmap = Bitmap.FromFile(file))
{
image.Width = bitmap.Width;
image.Height = bitmap.Height;
}
image.Data = File.ReadAllBytes(file);
// Path is mostly ignored, remove it for now to stop it being sent over the network
//image.Path = file;
}
catch (Exception e)
{
return(OcrResult.Create(OcrResultType.InvalidFile, e.ToString()));
}
return(Load(image, language));
}
catch (Exception e)
{
return(OcrResult.Create(OcrResultType.Exception, e.ToString()));
}
}
//public string Path { get; set; }
public static OcrImage FromBinary(byte[] buffer)
{
try
{
using (BinaryReader reader = new BinaryReader(new MemoryStream(buffer)))
{
OcrImage image = new OcrImage();
uint dataLen = reader.ReadUInt32();
image.Data = new byte[dataLen];
if (dataLen > 0)
{
image.Data = reader.ReadBytes((int)dataLen);
}
image.Width = reader.ReadInt32();
image.Height = reader.ReadInt32();
//image.Path = reader.ReadString();
return(image);
}
}
catch
{
return(null);
}
}
public override OcrResult Load(OcrImage image, string language, string apiLanguage)
{
string inputPath = null;
string outputPath = null;
try
{
inputPath = GetTempPath();
outputPath = GetTempPath(false);
string spacing = AllowsSpacing(language) ? string.Empty : "--nospacing";
string newLines = AllowsNewLines(language) ? string.Empty : "--nolines";
File.WriteAllBytes(inputPath, image.Data);
RunCommand("\"{0}\" \"{1}\" \"{2}\" {3} {4}", apiLanguage, inputPath, outputPath, spacing, newLines);
if (File.Exists(outputPath))
{
string[] lines = File.ReadAllLines(outputPath);
OcrResult result = new OcrResult();
result.ResultType = OcrResultType.Success;
foreach (string line in lines)
{
result.AddLine(line);
}
return(result);
}
else
{
return(OcrResult.Create(OcrResultType.Failed));
}
}
catch (Exception e)
{
return(OcrResult.Create(OcrResultType.Exception, e.ToString()));
}
finally
{
try
{
if (!string.IsNullOrEmpty(inputPath))
{
File.Delete(inputPath);
}
}
catch { }
try
{
if (!string.IsNullOrEmpty(outputPath))
{
File.Delete(outputPath);
}
}
catch { }
}
}
protected bool SaveLoadableImage(OcrImage image)
{
try
{
File.WriteAllBytes(GetLoadableImagePath(), image.Data);
return(true);
}
catch { }
return(false);
}
public OcrResult Load(OcrImage image, string language)
{
try
{
OcrResult result = null;
if (GetType() != typeof(RemoteOcr) && RemoteOcr.IsRemote(GetType()))
{
OcrEngineType targetType = GetType(GetType());
RemoteOcr remoteOcr = new RemoteOcr(targetType);
result = remoteOcr.Load(image, language, language);
}
else if (!IsInstalled)
{
return(OcrResult.Create(OcrResultType.NotInstalled));
}
else
{
string apiLanguage = language == null ? null : GetSupportedLanguageName(language);
if (string.IsNullOrEmpty(apiLanguage))
{
return(OcrResult.Create(OcrResultType.LanguageNotSupported));
}
result = Load(image, language, apiLanguage);
}
if (result != null && result.Rect == OcrRect.Empty)
{
result.Rect = new OcrRect(0, 0, image.Width, image.Height);
}
return(result);
}
catch (Exception e)
{
return(OcrResult.Create(OcrResultType.Exception, e.ToString()));
}
}
public override OcrResult Load(OcrImage image, string language, string apiLanguage)
{
try
{
if (!SaveLoadableImage(image))
{
return(OcrResult.Create(OcrResultType.InvalidFilePath));
}
Program.ClipSync.Text = null;
if (automation.Run())
{
string text = WaitForClipSync();
if (!string.IsNullOrEmpty(text))
{
return(new OcrResult(text));
}
return(OcrResult.Create(OcrResultType.AutomationFailed));
}
else
{
//System.Windows.Forms.MessageBox.Show("Failed at index: " + automation.Index);
}
return(OcrResult.Create(OcrResultType.AutomationFailed));
}
finally
{
for (int i = 0; i < 10; i++)
{
automation.SendKey(Keys.Escape);
System.Threading.Thread.Sleep(10);
}
}
}
private void Process(HttpListenerContext context)
{
try
{
string url = context.Request.Url.OriginalString;
string response = string.Empty;
if (url.Contains("favicon.ico"))
{
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
context.Response.OutputStream.Close();
return;
}
if (url.Contains(GetEnginesCommand))
{
if (Program.Engines != null)
{
Dictionary <OcrEngineType, OcrEngine> engines = new Dictionary <OcrEngineType, OcrEngine>(Program.Engines);
foreach (OcrEngine engine in engines.Values)
{
if (engine.IsInstalled)
{
string languages = string.Empty;
foreach (string language in engine.SupportedLanguages.Keys)
{
languages += language + ",";
}
languages = languages.TrimEnd(',');
response += engine.Name + "," + languages + "|";
}
}
response = response.TrimEnd('|', ',');
}
}
else if (url.Contains(RunOcrCommand))
{
Dictionary <string, string> postData = GetPostData(context);
OcrEngineType type = (OcrEngineType)Enum.Parse(typeof(OcrEngineType), postData["type"]);
string language = postData["language"];
byte[] data = Convert.FromBase64String(postData["data"]);
OcrImage image = OcrImage.FromBinary(data);
OcrResult result = null;
try
{
result = OcrEngine.Create(type).Load(image, language);
}
catch (Exception e)
{
result = OcrResult.Create(OcrResultType.Exception, e.ToString());
}
try
{
response = HttpUtility.UrlEncode(Convert.ToBase64String(result.ToBinary()));
}
catch
{
}
}
byte[] resposeBuffer = Encoding.UTF8.GetBytes(response.ToString());
context.Response.ContentType = "text/html";
context.Response.ContentEncoding = Encoding.UTF8;
context.Response.ContentLength64 = resposeBuffer.Length;
context.Response.AddHeader("Date", DateTime.Now.ToString("r"));
context.Response.AddHeader("Last-Modified", DateTime.Now.ToString("r"));
context.Response.OutputStream.Write(resposeBuffer, 0, resposeBuffer.Length);
context.Response.OutputStream.Flush();
context.Response.StatusCode = (int)HttpStatusCode.OK;
}
catch
{
}
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
context.Response.OutputStream.Close();
}
public override OcrResult Load(OcrImage image, string language, string apiLanguage)
{
string inputPath = null;
string outputPath = null;
string outputPath2 = null;
string outputPath3 = null;
try
{
inputPath = GetTempPath();
outputPath = GetTempPath(false);
outputPath2 = outputPath + (IncludeTextRegions ? ".hocr" : ".txt");
outputPath3 = outputPath + (IncludeTextRegions ? ".txt" : ".hocr");
File.WriteAllBytes(inputPath, image.Data);
RunCommand("\"{0}\" \"{1}\" -l {2} {3}", inputPath, outputPath, apiLanguage, IncludeTextRegions ? "-c tessedit_create_hocr=1" : string.Empty);
OcrResult result = null;
if (IncludeTextRegions)
{
result = OcrXml.FromFile(outputPath2);
}
else
{
string[] lines = File.ReadAllLines(outputPath2);
result = new OcrResult();
result.ResultType = OcrResultType.Success;
foreach (string line in lines)
{
result.AddLine(line);
}
}
return(result);
}
catch (Exception e)
{
return(OcrResult.Create(OcrResultType.Exception, e.ToString()));
}
finally
{
try
{
if (!string.IsNullOrEmpty(inputPath))
{
File.Delete(inputPath);
}
}
catch { }
try
{
if (!string.IsNullOrEmpty(outputPath))
{
File.Delete(outputPath);
}
}
catch { }
try
{
if (!string.IsNullOrEmpty(outputPath2))
{
File.Delete(outputPath2);
}
}
catch { }
try
{
if (!string.IsNullOrEmpty(outputPath3))
{
File.Delete(outputPath3);
}
}
catch { }
}
}
public override OcrResult Load(OcrImage image, string language, string apiLanguage)
{
try
{
Automation automation = new Automation();
automation.UseImageCaching = true;
automation.Path = System.IO.Path.Combine("Images", "ABBYY");
// Task icon
automation.AddReferenceImage("AbbyyReference.png");
// Task icon
automation.AddStartImage("AbbyyStart.png");
// Click on language text box
automation.AddRelativeClick(450, 50);
//automation.AddWait(50);
// Select language text box text
automation.AddSelectAll();
automation.AddWait(50);
automation.AddText(apiLanguage, true);
automation.AddWait(50);
automation.AddKey(Keys.Enter);
automation.AddWait(50);
automation.AddKey(Keys.Enter);
// Click open image button
automation.AddRelativeClick(140, 30);
// Wait for the open image dialog
automation.AddWaitImage("OpenImage.png");
// Type the file name
automation.AddOpenImage();
// Wait for the complete dialog
automation.AddWaitImage("Complete.png");
// Press escape to close complete dialog
automation.AddKey(Keys.Escape);
// Seems to freeze if we don't do this
for (int i = 0; i < 15; i++)
{
// Click the ocr text box
automation.AddMoveMouseImageOffset("OutputOffset.png", 50 + ((i + 1) * 1), 0 + ((i + 1) * 1));
automation.AddWait(100);
}
automation.AddClickableImageOffset("OutputOffset.png", 50, 0);
//automation.AddWait(50);
automation.AddSelectAll();
//automation.AddWait(50);
automation.AddCopy();
if (!SaveLoadableImage(image))
{
return(OcrResult.Create(OcrResultType.InvalidFilePath));
}
// Clear the clipboard
Clipboard.Clear();
if (automation.Run())
{
string text = WaitForClipboard();
if (!string.IsNullOrEmpty(text))
{
return(new OcrResult(text));
}
return(OcrResult.Create(OcrResultType.AutomationFailed));
}
else
{
//System.Windows.Forms.MessageBox.Show("Failed at index: " + automation.Index);
}
}
catch (Exception e)
{
//MessageBox.Show(e.ToString());
return(OcrResult.Create(OcrResultType.Exception, e.ToString()));
}
return(OcrResult.Create(OcrResultType.AutomationFailed));
}
public override OcrResult Load(OcrImage image, string language, string apiLanguage)
{
return(OcrNetwork.Load(image, language, TargetType));
}
public abstract OcrResult Load(OcrImage image, string language, string apiLanguage);
public override OcrResult Load(OcrImage image, string language, string apiLanguage)
{
OcrRequests request = new OcrRequests()
{
requests = new OcrRequest[1]
{
new OcrRequest()
{
image = new OcrRequestImage()
{
content = Convert.ToBase64String(image.Data)
},
features = new OcrRequestFeature[1]
{
new OcrRequestFeature()
{
type = "TEXT_DETECTION",
maxResults = 1
}
}
}
}
};
string requestJson = JSONSerializer <OcrRequests> .Serialize(request);
using (GZipWebClient webClient = new GZipWebClient())
{
string key = Program.Settings.KeyInfo.Key;
if (string.IsNullOrEmpty(key))
{
key = GetDefaultKey();
}
string url = "https://vision.googleapis.com/v1/images:annotate?key=" + key;
webClient.Proxy = null;
webClient.Encoding = Encoding.UTF8;
webClient.Headers[HttpRequestHeader.ContentType] = "application/json";
webClient.Headers[HttpRequestHeader.Accept] = "application/json";
webClient.Headers[HttpRequestHeader.AcceptEncoding] = "gzip, deflate";
string json = webClient.UploadString(url, requestJson);
string result = string.Empty;
OcrResponses responses = JSONSerializer <OcrResponses> .DeSerialize(json);
foreach (OcrResponse response in responses.responses)
{
foreach (OcrTextAnnotation annotation in response.textAnnotations)
{
if (!string.IsNullOrEmpty(annotation.locale))
{
result += annotation.description;
}
}
}
result = result.TrimEnd('\r', '\n');
return(new OcrResult(result));
}
}
