public void DoOCRAsync(WaitForm wait)
{
if (!isOpen) return;
Thread thread = new Thread(() => DoOCR(this, wait));
thread.Start();
}
private void converter()
{
foreach (string file in fileList.Items)
{
WaitForm wait = new WaitForm();
wait.StartPosition = FormStartPosition.CenterParent;
wait.Status = "Converting " + Path.GetFileName(file) + "...";
if (mdi.Open(file))
{
string saveTo = "";
List<int> pages = (List<int>)Enumerable.Range(0, mdi.Doc.Images.Count).ToList();
if (toFolder.Checked)
saveTo = outDir.Text + "\\";
else if (toOrigin.Checked)
saveTo = Path.GetDirectoryName(file) + "\\";
saveTo += Path.GetFileNameWithoutExtension(file);
saveTo += "." + formatBox.SelectedItem.ToString().ToLower();
if (formatBox.SelectedItem.ToString() == "TIFF")
{
mdi.SaveToDocAsync(pages, saveTo, MODI.MiFILE_FORMAT.miFILE_FORMAT_TIFF, wait);
wait.ShowDialog();
}
else if (formatBox.SelectedItem.ToString() == "PDF")
{
mdi.SaveToPDFAsync(pages, saveTo, wait);
wait.ShowDialog();
}
}
else
wait.MessageSafe("Unable to load " + file);
}
//wait.CloseSafe();
}
// Converting
private void Save(IList<int> indices)
{
if (!mdi.IsOpen)
{
MessageBox.Show("You must open a file first!", title);
return;
}
if(indices.Count < 1)
{
MessageBox.Show("No pages selected!", title);
return;
}
// default to: filename.jpg
saveFileDialog.FilterIndex = (int)fileType.FT_JPG + 1; // filter index starts from 1
saveFileDialog.FileName = Path.GetFileNameWithoutExtension(mdi.FileName) + ".jpg";
// default dir to where it was opened
saveFileDialog.InitialDirectory = Path.GetDirectoryName(mdi.FileName);
// show the save dialog
DialogResult result = saveFileDialog.ShowDialog();
if (result == DialogResult.OK)
{
// filter index starts from 1 ...
fileType type = (fileType)saveFileDialog.FilterIndex - 1;
// process per page image conv (jpg, png, bmp...)
if(imageFormats.ContainsKey(type))
{
WaitForm wait = new WaitForm();
wait.StartPosition = FormStartPosition.CenterParent;
mdi.SaveToImagesAsync(indices, saveFileDialog.FileName,
imageFormats[type], wait);
wait.ShowDialog();
}
// process doc formats handled by MODI (mdi, tiff)
else if (documentFormats.ContainsKey(type))
{
WaitForm wait = new WaitForm();
wait.StartPosition = FormStartPosition.CenterParent;
mdi.SaveToDocAsync(indices, saveFileDialog.FileName,
documentFormats[type], wait);
wait.ShowDialog();
}
// plaintext
else if(type == fileType.FT_TXT)
{
if (!mdi.IsOCRDone)
DoOCR();
mdi.SaveToTxt(indices, saveFileDialog.FileName);
}
// PDF
else if (type == fileType.FT_PDF)
{
WaitForm wait = new WaitForm();
wait.StartPosition = FormStartPosition.CenterParent;
mdi.SaveToPDFAsync(indices, saveFileDialog.FileName, wait);
wait.ShowDialog();
}
}
}
// Search
private void DoOCR()
{
if (!mdi.IsOpen) return;
if (mdi.IsOCRDone) return;
WaitForm wait = new WaitForm();
wait.StartPosition = FormStartPosition.CenterParent;
mdi.DoOCRAsync(wait);
wait.ShowDialog();
// OCR might auto-rotate pages so re-render
RenderThumbs();
}
// Output to images
private static void SaveToImages(AxMODI.AxMiDocView docView, IList<int> pages,
string outFileName, ImageFormat format, WaitForm wait)
{
try
{
// MODI.Document.Images[].Picture is broken...
// It's supposed to be an IPictureDisp but it's members aren't usable
// Current workaround involves making a copy off an invisible docView
// For some reason a new MiDocView created locally doesnt't sem to work...
wait.Status = "Converting images...";
foreach(int page in pages)
{
string curFile = Path.GetFileNameWithoutExtension(outFileName) + " " +
(page + 1).ToString("D3") + Path.GetExtension(outFileName);
wait.Status = "Saving " + curFile + "...";
string fullFileName = Path.GetDirectoryName(outFileName) + "\\" + curFile;
docView.SelectAll(page);
stdole.IPictureDisp pic = null;
wait.Invoke((System.Windows.Forms.MethodInvoker)delegate
{
pic = docView.ImageSelection.ExportToPicture();
});
if(pic != null)
{
Image img = Image.FromHbitmap((IntPtr)pic.Handle, (IntPtr)pic.hPal);
img.Save(fullFileName, format);
}
}
wait.CloseSafe();
}
catch
{
wait.MessageSafe("Conversion failed.");
wait.CloseSafe();
}
}
// Save to PDF
// This is extremely slow....
private static void SaveToPDF(AxMODI.AxMiDocView docView, IList<int> pages,
string outFileName, WaitForm wait, bool closeForm = true)
{
try
{
// MODI.Document.Images[].Picture is broken...
// It's supposed to be an IPictureDisp but it's members aren't usable
// Current workaround involves making a copy off an invisible docView
// For some reason a new MiDocView created locally doesnt't sem to work...
PdfDocument document = new PdfDocument();
wait.Status = "Converting document...";
foreach (int page in pages)
{
wait.Status = "Saving " + Path.GetFileName(outFileName) + " page " + (page + 1).ToString() + "...";
docView.SelectAll(page);
stdole.IPictureDisp pic = null;
wait.Invoke((System.Windows.Forms.MethodInvoker)delegate
{
pic = docView.ImageSelection.ExportToPicture();
});
if (pic != null)
{
PdfPage pdfPage = document.AddPage();
XGraphics gfx = XGraphics.FromPdfPage(pdfPage);
Image img = Image.FromHbitmap((IntPtr)pic.Handle, (IntPtr)pic.hPal);
XImage ximg = XImage.FromGdiPlusImage(img);
pdfPage.Width = ximg.PointWidth;
pdfPage.Height = ximg.PointHeight;
gfx.DrawImage(ximg, 0, 0);
}
}
document.Save(outFileName);
if (closeForm)
wait.CloseSafe();
}
catch
{
wait.MessageSafe("Conversion failed.");
if (closeForm)
wait.CloseSafe();
}
}
// OCR
private static void DoOCR(MODIHandler hand, WaitForm wait)
{
/*
wait.Status = "Running OCR...";
try
{
// process all pages
//hand.doc.OCR(MODI.MiLANGUAGES.miLANG_ENGLISH);
// process one by one to show progress
int page = 1;
foreach (MODI.IImage iimg in hand.doc.Images)
{
wait.Status = "Running OCR on page " + page.ToString() + "...";
iimg.OCR(MODI.MiLANGUAGES.miLANG_ENGLISH);
page++;
}
hand.isOCRDone = true;
}
catch
{
hand.isOCRDone = false;
}*/
hand.isOCRDone = true;
wait.CloseSafe();
}
// Save to MDI / TIFF
private static void SaveToDoc(IList<int> pages, string modiFile, string outFile,
MODI.MiFILE_FORMAT format, WaitForm wait, string tmpDir, bool closeForm=true)
{
MODI.Document modiDoc = null;
try
{
wait.Status = "Saving to " + Path.GetFileName(outFile) + "...";
modiDoc = new MODI.Document();
modiDoc.Create(modiFile);
// Can't find a way to add images to an empty doc...
// doc.Images.Add doesn't like images from other docs
// Probably the same bug that doesn't allow access to Image.Picture
// This works backwards and removes unselected images from a complete doc
for (int page = modiDoc.Images.Count - 1; page >= 0; page--)
{
if (!pages.Contains(page))
modiDoc.Images.Remove(modiDoc.Images[page]);
}
modiDoc.SaveAs(outFile, format);
//modiDoc.Close(false);
// closing still keeps the file locked... see below
}
catch
{
wait.MessageSafe("Failed to save " + Path.GetFileName(outFile));
if(closeForm)
wait.CloseSafe();
}
try
{
// The file gets locked for some reason until the program exits
// or another save is made elsewhere
// This unlocks the file on 2 of the 3 machines I tested on ...
while (modiDoc.Images.Count > 1) // can't save w/ 0 imgs - leave 1
modiDoc.Images.Remove(modiDoc.Images[0]);
// Needed new files for batch processing :/ This. Is. Ugly.
// Not to mention slow
if (!Directory.Exists(tmpDir))
Directory.CreateDirectory(tmpDir);
modiDoc.SaveAs(tmpDir+"\\"+Path.GetRandomFileName());
modiDoc.Close();
if(closeForm)
wait.CloseSafe();
}
catch { }
}
public void SaveToPDFAsync(IList<int> pages, string outFileName)
{
WaitForm dummy = new WaitForm();
SaveToPDFAsync(pages, outFileName, dummy);
}
public void SaveToPDFAsync(IList<int> pages, string outFileName, WaitForm wait)
{
if (!isOpen) return;
if (converter == null) return;
// load it here to allow reusing a single view control
converter.Document = doc;
Thread thread = new Thread(() => SaveToPDF(converter, pages, outFileName, wait));
thread.Start();
}
public void SaveToImagesAsync(IList<int> pages, string outFileName, ImageFormat format)
{
WaitForm dummy = new WaitForm();
SaveToImagesAsync(pages, outFileName, format, dummy);
}
public void SaveToDocAsync(IList<int> pages, string outFile, MODI.MiFILE_FORMAT format)
{
WaitForm dummy = new WaitForm();
SaveToDocAsync(pages, outFile, format, dummy);
}
public void SaveToDocAsync(IList<int> pages, string outFile, MODI.MiFILE_FORMAT format, WaitForm wait)
{
if (!isOpen) return;
doc.Save();
Thread thread = new Thread(() => SaveToDoc(pages, fileName, outFile, format, wait, tmpDir));
thread.Start();
}