public virtual void TestPixSavingAsPng()
{
String path = TEST_IMAGES_DIRECTORY + "numbers_01.jpg";
String tmpFileName = GetTargetDirectory() + "testPixSavingAsPng.png";
NUnit.Framework.Assert.IsFalse(File.Exists(System.IO.Path.Combine(tmpFileName)));
Pix pix = ImagePreprocessingUtil.ReadPix(new FileInfo(path));
TesseractOcrUtil.SavePixToTempPngFile(tmpFileName, pix);
NUnit.Framework.Assert.IsTrue(File.Exists(System.IO.Path.Combine(tmpFileName)));
TesseractHelper.DeleteFile(tmpFileName);
NUnit.Framework.Assert.IsFalse(File.Exists(System.IO.Path.Combine(tmpFileName)));
}
public virtual void TestTesseract4OcrForPix()
{
String path = TEST_IMAGES_DIRECTORY + "numbers_02.jpg";
String expected = "0123456789";
FileInfo imgFile = new FileInfo(path);
Pix pix = ImagePreprocessingUtil.ReadPix(imgFile);
Tesseract4LibOcrEngine tesseract4LibOcrEngine = GetTesseract4LibOcrEngine();
tesseract4LibOcrEngine.SetTesseract4OcrEngineProperties(new Tesseract4OcrEngineProperties().SetPathToTessData
(GetTessDataDirectory()));
tesseract4LibOcrEngine.InitializeTesseract(OutputFormat.TXT);
String result = new TesseractOcrUtil().GetOcrResultAsString(tesseract4LibOcrEngine.GetTesseractInstance(),
pix, OutputFormat.TXT);
NUnit.Framework.Assert.IsTrue(result.Contains(expected));
}
