/// <summary>
/// Perform OCR on pages of image.
/// </summary>
/// <param name="imageList"></param>
/// <param name="index">-1 for all pages</param>
/// <param name="rect">selection rectangle</param>
void performOCR(IList <Image> imageList, int index, Rectangle rect)
{
try
{
if (this.toolStripCbLang.SelectedIndex == -1)
{
MessageBox.Show(this, Properties.Resources.selectLanguage, strProgName);
return;
}
this.toolStripStatusLabel1.Text = Properties.Resources.OCRrunning;
this.Cursor = Cursors.WaitCursor;
this.pictureBox1.UseWaitCursor = true;
this.textBox1.Cursor = Cursors.WaitCursor;
this.toolStripBtnOCR.Enabled = false;
this.oCRToolStripMenuItem.Enabled = false;
this.oCRAllPagesToolStripMenuItem.Enabled = false;
this.toolStripProgressBar1.Enabled = true;
this.toolStripProgressBar1.Visible = true;
this.toolStripProgressBar1.Style = ProgressBarStyle.Marquee;
OCRImageEntity entity = new OCRImageEntity(imageList, index, rect, curLangCode);
// Start the asynchronous operation.
backgroundWorker1.RunWorkerAsync(entity);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
private void backgroundWorkerOcr_DoWork(object sender, DoWorkEventArgs e)
{
// Get the BackgroundWorker that raised this event.
BackgroundWorker worker = sender as BackgroundWorker;
OCRImageEntity entity = (OCRImageEntity)e.Argument;
OCR <Image> ocrEngine = new OCRImages();
ocrEngine.PageSegMode = selectedPSM;
ocrEngine.Language = entity.Language;
// Assign the result of the computation to the Result property of the DoWorkEventArgs
// object. This is will be available to the RunWorkerCompleted eventhandler.
//e.Result = ocrEngine.RecognizeText(entity.ClonedImages, entity.Lang, entity.Rect, worker, e);
IList <Image> images = entity.ClonedImages;
for (int i = 0; i < images.Count; i++)
{
if (worker.CancellationPending)
{
e.Cancel = true;
break;
}
string result = ocrEngine.RecognizeText(((List <Image>)images).GetRange(i, 1), entity.Inputfilename, entity.Rect, worker, e);
worker.ReportProgress(i, result); // i is not really percentage
}
}
/// <summary>
/// Perform OCR on pages of image.
/// </summary>
/// <param name="imageList"></param>
/// <param name="index">-1 for all pages</param>
/// <param name="rect">selection rectangle</param>
void performOCR(IList <Image> imageList, int index, Rectangle rect)
{
try
{
if (this.toolStripCbLang.SelectedIndex == -1)
{
MessageBox.Show(this, resources.GetString("selectLanguage"), strProgName);
return;
}
//if (this.pictureBox1.Image == null)
//{
// MessageBox.Show(this, "Please load an image.", strProgName);
// return;
//}
this.toolStripStatusLabel1.Text = resources.GetString("OCRrunning");
this.Cursor = Cursors.WaitCursor;
this.pictureBox1.UseWaitCursor = true;
this.textBox1.Cursor = Cursors.WaitCursor;
this.toolStripBtnOCR.Enabled = false;
this.oCRToolStripMenuItem.Enabled = false;
this.oCRAllPagesToolStripMenuItem.Enabled = false;
//OCRImageEntity entity = new OCRImageEntity(ImageIOHelper.GetImageList(imageFile), index, rect, curLangCode);
OCRImageEntity entity = new OCRImageEntity(imageList, index, rect, curLangCode);
// Start the asynchronous operation.
backgroundWorker1.RunWorkerAsync(entity);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
private void backgroundWorkerOcr_DoWork(object sender, DoWorkEventArgs e)
{
// Get the BackgroundWorker that raised this event.
BackgroundWorker worker = sender as BackgroundWorker;
OCRImageEntity entity = (OCRImageEntity)e.Argument;
OCR <string> ocrEngine = new OCRFiles();
IList <string> workingImageFiles = entity.ImageFiles;
foreach (string workingImageFile in workingImageFiles)
{
tempFileCollection.AddFile(workingImageFile, false); // to be deleted when program exits
}
for (int i = 0; i < workingImageFiles.Count; i++)
{
if (worker.CancellationPending)
{
e.Cancel = true;
break;
}
string result = ocrEngine.RecognizeText(((List <string>)workingImageFiles).GetRange(i, 1), entity.Language, worker, e);
worker.ReportProgress(i, result); // i is not really percentage
}
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
// Get the BackgroundWorker that raised this event.
BackgroundWorker worker = sender as BackgroundWorker;
OCRImageEntity entity = (OCRImageEntity)e.Argument;
OCR ocrEngine = new OCR();
// Assign the result of the computation to the Result property of the DoWorkEventArgs
// object. This is will be available to the RunWorkerCompleted eventhandler.
e.Result = ocrEngine.RecognizeText(entity.Images, entity.Index, entity.Lang, entity.Rect, worker, e);
}
public void RecognizeTextTest()
{
string selectedImageFile = "samples/vietsample1.tif";
FileInfo imageFile = new FileInfo(selectedImageFile);
IList<Image> imageList = ImageIOHelper.GetImageList(imageFile);
entity = new OCRImageEntity(imageList, selectedImageFile, - 1, Rectangle.Empty, lang);
OCRImages target = new OCRImages();
target.Language = entity.Language;
IList<Image> images = entity.ClonedImages;
string expected = "Đôi Mắt Người Sơn Tây";
string actual;
actual = target.RecognizeText(images, selectedImageFile);
Assert.IsTrue(actual.Contains(expected));
}
/// <summary>
/// Perform OCR on pages of image.
/// </summary>
/// <param name="imageList"></param>
/// <param name="index">-1 for all pages</param>
/// <param name="rect">selection rectangle</param>
void performOCR(IList<Image> imageList, int index, Rectangle rect)
{
try
{
if (this.toolStripCbLang.SelectedIndex == -1)
{
MessageBox.Show(this, Properties.Resources.selectLanguage, strProgName);
return;
}
this.toolStripStatusLabel1.Text = Properties.Resources.OCRrunning;
this.Cursor = Cursors.WaitCursor;
this.pictureBox1.UseWaitCursor = true;
this.textBox1.Cursor = Cursors.WaitCursor;
this.toolStripBtnOCR.Enabled = false;
this.oCRToolStripMenuItem.Enabled = false;
this.oCRAllPagesToolStripMenuItem.Enabled = false;
OCRImageEntity entity = new OCRImageEntity(imageList, index, rect, curLangCode);
// Start the asynchronous operation.
backgroundWorker1.RunWorkerAsync(entity);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
/// <summary>
/// Perform OCR on pages of image.
/// </summary>
/// <param name="imageList"></param>
/// <param name="index">-1 for all pages</param>
/// <param name="rect">selection rectangle</param>
void performOCR(IList<Image> imageList, int index, Rectangle rect)
{
try
{
if (this.toolStripCbLang.SelectedIndex == -1)
{
MessageBox.Show(this, resources.GetString("selectLanguage"), strProgName);
return;
}
//if (this.pictureBox1.Image == null)
//{
// MessageBox.Show(this, "Please load an image.", strProgName);
// return;
//}
this.toolStripStatusLabel1.Text = resources.GetString("OCRrunning");
this.Cursor = Cursors.WaitCursor;
this.pictureBox1.UseWaitCursor = true;
this.textBox1.Cursor = Cursors.WaitCursor;
this.toolStripBtnOCR.Enabled = false;
this.oCRToolStripMenuItem.Enabled = false;
this.oCRAllPagesToolStripMenuItem.Enabled = false;
//OCRImageEntity entity = new OCRImageEntity(ImageIOHelper.GetImageList(imageFile), index, rect, curLangCode);
OCRImageEntity entity = new OCRImageEntity(imageList, index, rect, curLangCode);
// Start the asynchronous operation.
backgroundWorker1.RunWorkerAsync(entity);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
/// <summary>
/// Perform OCR on pages of image.
/// </summary>
/// <param name="imageList"></param>
/// <param name="index">-1 for all pages</param>
/// <param name="rect">selection rectangle</param>
void performOCR(IList<Image> imageList, string inputfilename, int index, Rectangle rect)
{
try
{
if (curLangCode.Trim().Length == 0)
{
MessageBox.Show(this, Properties.Resources.selectLanguage, strProgName);
return;
}
this.toolStripStatusLabel1.Text = Properties.Resources.OCRrunning;
this.Cursor = Cursors.WaitCursor;
this.pictureBox1.UseWaitCursor = true;
this.textBox1.Cursor = Cursors.WaitCursor;
this.toolStripBtnOCR.Enabled = false;
this.oCRToolStripMenuItem.Enabled = false;
this.oCRAllPagesToolStripMenuItem.Enabled = false;
this.toolStripProgressBar1.Enabled = true;
this.toolStripProgressBar1.Visible = true;
this.toolStripProgressBar1.Style = ProgressBarStyle.Marquee;
OCRImageEntity entity = new OCRImageEntity(imageList, inputfilename, index, rect, curLangCode);
entity.ScreenshotMode = this.screenshotModeToolStripMenuItem.Checked;
// Start the asynchronous operation.
backgroundWorkerOcr.RunWorkerAsync(entity);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
