public virtual void InitTesseractProperties()
{
Tesseract4OcrEngineProperties ocrEngineProperties = new Tesseract4OcrEngineProperties();
ocrEngineProperties.SetPathToTessData(GetTessDataDirectory());
tesseractReader.SetTesseract4OcrEngineProperties(ocrEngineProperties);
}
public virtual void TestIncorrectLanguageForUserWordsAsList()
{
NUnit.Framework.Assert.That(() => {
Tesseract4OcrEngineProperties properties = tesseractReader.GetTesseract4OcrEngineProperties();
properties.SetUserWords("eng1", JavaUtil.ArraysAsList("word1", "word2"));
properties.SetLanguages(new List <String>());
}
, NUnit.Framework.Throws.InstanceOf <Tesseract4OcrException>().With.Message.EqualTo(MessageFormatUtil.Format(Tesseract4OcrException.LANGUAGE_IS_NOT_IN_THE_LIST, "eng1")))
;
}
public virtual void TestUserWordsWithLanguageNotInList()
{
NUnit.Framework.Assert.That(() => {
String userWords = TEST_DOCUMENTS_DIRECTORY + "userwords.txt";
Tesseract4OcrEngineProperties properties = tesseractReader.GetTesseract4OcrEngineProperties();
properties.SetUserWords("spa", new FileStream(userWords, FileMode.Open, FileAccess.Read));
properties.SetLanguages(new List <String>());
}
, NUnit.Framework.Throws.InstanceOf <Tesseract4OcrException>().With.Message.EqualTo(MessageFormatUtil.Format(Tesseract4OcrException.LANGUAGE_IS_NOT_IN_THE_LIST, "spa")))
;
}
public virtual void TestUserWordsFileNotDeleted()
{
String userWords = TEST_DOCUMENTS_DIRECTORY + "userwords.txt";
Tesseract4OcrEngineProperties properties = tesseractReader.GetTesseract4OcrEngineProperties();
properties.SetPathToUserWordsFile(userWords);
properties.SetLanguages(JavaUtil.ArraysAsList("eng"));
tesseractReader.SetTesseract4OcrEngineProperties(properties);
String imgPath = TEST_IMAGES_DIRECTORY + "numbers_01.jpg";
tesseractReader.DoImageOcr(new FileInfo(imgPath));
NUnit.Framework.Assert.IsTrue(new FileInfo(userWords).Exists);
}
public virtual void TestUserWordsWithDefaultLanguageNotInList()
{
String userWords = TEST_DOCUMENTS_DIRECTORY + "userwords.txt";
Tesseract4OcrEngineProperties properties = tesseractReader.GetTesseract4OcrEngineProperties();
properties.SetUserWords("eng", new FileStream(userWords, FileMode.Open, FileAccess.Read));
properties.SetLanguages(new List <String>());
tesseractReader.SetTesseract4OcrEngineProperties(properties);
String imgPath = TEST_IMAGES_DIRECTORY + "numbers_01.jpg";
String expectedOutput = "619121";
String result = GetRecognizedTextFromTextFile(tesseractReader, imgPath);
NUnit.Framework.Assert.IsTrue(result.StartsWith(expectedOutput));
}
public virtual void TestCustomUserWords()
{
String imgPath = TEST_IMAGES_DIRECTORY + "wierdwords.png";
IList <String> userWords = JavaUtil.ArraysAsList("he23llo", "qwetyrtyqpwe-rty");
Tesseract4OcrEngineProperties properties = tesseractReader.GetTesseract4OcrEngineProperties();
properties.SetLanguages(JavaUtil.ArraysAsList("fra"));
properties.SetUserWords("fra", userWords);
tesseractReader.SetTesseract4OcrEngineProperties(properties);
String result = GetRecognizedTextFromTextFile(tesseractReader, imgPath);
NUnit.Framework.Assert.IsTrue(result.Contains(userWords[0]) || result.Contains(userWords[1]));
NUnit.Framework.Assert.IsTrue(tesseractReader.GetTesseract4OcrEngineProperties().GetPathToUserWordsFile().
EndsWith(".user-words"));
}
public virtual void TestDoTesseractOcrForNonAsciiPathForExecutable()
{
String path = TEST_IMAGES_DIRECTORY + "tèst/noisy_01.png";
FileInfo imgFile = new FileInfo(path);
FileInfo outputFile = new FileInfo(TesseractOcrUtil.GetTempFilePath("test", ".hocr"));
Tesseract4OcrEngineProperties properties = new Tesseract4OcrEngineProperties();
properties.SetPathToTessData(GetTessDataDirectory());
properties.SetPreprocessingImages(false);
Tesseract4ExecutableOcrEngine engine = new Tesseract4ExecutableOcrEngine(GetTesseractDirectory(), properties
);
engine.DoTesseractOcr(imgFile, outputFile, OutputFormat.HOCR);
NUnit.Framework.Assert.IsTrue(File.Exists(System.IO.Path.Combine(outputFile.FullName)));
TesseractHelper.DeleteFile(outputFile.FullName);
NUnit.Framework.Assert.IsFalse(File.Exists(System.IO.Path.Combine(outputFile.FullName)));
}
public virtual void TestCustomUserWordsWithListOfLanguages()
{
String imgPath = TEST_IMAGES_DIRECTORY + "bogusText.jpg";
String expectedOutput = "B1adeb1ab1a";
Tesseract4OcrEngineProperties properties = tesseractReader.GetTesseract4OcrEngineProperties();
properties.SetLanguages(JavaUtil.ArraysAsList("fra", "eng"));
properties.SetUserWords("eng", JavaUtil.ArraysAsList("b1adeb1ab1a"));
tesseractReader.SetTesseract4OcrEngineProperties(properties);
String result = GetRecognizedTextFromTextFile(tesseractReader, imgPath);
result = result.Replace("\n", "").Replace("\f", "");
result = iText.IO.Util.StringUtil.ReplaceAll(result, "[^\\u0009\\u000A\\u000D\\u0020-\\u007E]", "");
NUnit.Framework.Assert.IsTrue(result.StartsWith(expectedOutput));
NUnit.Framework.Assert.IsTrue(tesseractReader.GetTesseract4OcrEngineProperties().GetPathToUserWordsFile().
EndsWith(".user-words"));
}
private void TestSettingOsName(String osName)
{
String path = TEST_IMAGES_DIRECTORY + "numbers_01.jpg";
FileInfo imgFile = new FileInfo(path);
String tesseractDirectory = GetTesseractDirectory();
String osPropertyName = Environment.GetEnvironmentVariable("os.name") == null ? "OS" : "os.name";
String os = Environment.GetEnvironmentVariable(osPropertyName);
Environment.SetEnvironmentVariable(osPropertyName, osName);
try {
Tesseract4OcrEngineProperties properties = new Tesseract4OcrEngineProperties();
properties.SetPathToTessData(GetTessDataDirectory());
Tesseract4ExecutableOcrEngine engine = new Tesseract4ExecutableOcrEngine(tesseractDirectory, properties);
engine.DoTesseractOcr(imgFile, null, OutputFormat.HOCR);
}
finally {
Environment.SetEnvironmentVariable(osPropertyName, os);
}
}
/// <summary>
/// Creates a new
/// <see cref="Tesseract4LibOcrEngine"/>
/// instance.
/// </summary>
/// <param name="tesseract4OcrEngineProperties">set of properteis</param>
public Tesseract4LibOcrEngine(Tesseract4OcrEngineProperties tesseract4OcrEngineProperties)
: base(tesseract4OcrEngineProperties)
{
tesseractInstance = TesseractOcrUtil.InitializeTesseractInstance(IsWindows(), null, null, null);
}
public AbstractTesseract4OcrEngine(Tesseract4OcrEngineProperties tesseract4OcrEngineProperties)
{
this.tesseract4OcrEngineProperties = tesseract4OcrEngineProperties;
}
/// <summary>
/// Sets properties for
/// <see cref="AbstractTesseract4OcrEngine"/>.
/// </summary>
/// <param name="tesseract4OcrEngineProperties">
/// set of properties
/// <see cref="Tesseract4OcrEngineProperties"/>
/// for
/// <see cref="AbstractTesseract4OcrEngine"/>
/// </param>
public void SetTesseract4OcrEngineProperties(Tesseract4OcrEngineProperties tesseract4OcrEngineProperties)
{
this.tesseract4OcrEngineProperties = tesseract4OcrEngineProperties;
}
/// <summary>
/// Creates a new
/// <see cref="Tesseract4ExecutableOcrEngine"/>
/// instance.
/// </summary>
/// <param name="executablePath">path to tesseract executable</param>
/// <param name="tesseract4OcrEngineProperties">set of properties</param>
public Tesseract4ExecutableOcrEngine(String executablePath, Tesseract4OcrEngineProperties tesseract4OcrEngineProperties
)
: base(tesseract4OcrEngineProperties)
{
SetPathToExecutable(executablePath);
}
/// <summary>
/// Creates a new
/// <see cref="Tesseract4ExecutableOcrEngine"/>
/// instance.
/// </summary>
/// <param name="tesseract4OcrEngineProperties">set of properties</param>
public Tesseract4ExecutableOcrEngine(Tesseract4OcrEngineProperties tesseract4OcrEngineProperties)
: base(tesseract4OcrEngineProperties)
{
SetPathToExecutable("tesseract");
}