/// <summary>
/// Opens a form that allows to select image of image collection
/// and returns the selected image.
/// </summary>
/// <param name="filename">The filename of image file.</param>
/// <returns>Selected image.</returns>
public static VintasoftImage SelectImageFromFile(string filename)
{
// temporary image for image in current file
VintasoftImage image;
// selected index
int index;
// create image collection
using (ImageCollection images = SelectImageFromFile(filename, out index))
{
if (index == -1)
{
return(null);
}
// get the selected image
image = images[index];
// remove the selected image from image collection
images.Remove(image);
// if the count of images is more than one
if (images.Count > 1)
{
images.ClearAndDisposeItems();
}
}
return(image);
}
public void Cleaning()
{
using (ImageCollection images = new ImageCollection())
{
images.Add(pathImage + "photo.jpg");
try
{
try
{
foreach (VintasoftImage image in images)
{
ExecuteCommand(new AutoInvertCommand(), image); //invert an image if image is inverted
ExecuteCommand(new BorderClearCommand(), image); //clear noise on a border of the image
ExecuteCommand(new HalftoneRemovalCommand(), image); //remove halftone from the image
ExecuteCommand(new DeskewCommand(), image); // detect the correct orientation of the image
ExecuteCommand(new HolePunchRemovalCommand(), image); // remove hole punches on image
ExecuteCommand(new LineRemovalCommand(LinesType.Tables), image); //remove tables on image
ExecuteCommand(new AutoTextInvertCommand(),
image); // invert inverted text regions on an image
ExecuteCommand(new DespeckleCommand(), image); // remove noise from the image
ExecuteCommand(new BorderRemovalCommand(), image); // remove border around the image
}
}
catch (ImageProcessingException ex)
{
Console.WriteLine(ex.Message);
return;
}
images.SaveAsync(pathImage + "image.tif");
}
finally
{
images.ClearAndDisposeItems();
}
}
}
public void DeleteImageFromCollection(ImageCollection imageCollection)
{
imageCollection.ClearAndDisposeItems();
}
/// <summary>
/// Opens a form that allows to select image of image collection
/// and returns image collection and selected index.
/// </summary>
/// <param name="filename">The filename of image file.</param>
/// <param name="selectedIndex">Selected index.</param>
/// <returns>Image collection.</returns>
public static ImageCollection SelectImageFromFile(string filename, out int selectedIndex)
{
selectedIndex = -1;
// create image collection
ImageCollection images = new ImageCollection();
DocumentPasswordForm.EnableAuthentication(images);
try
{
try
{
// add an image file to the image collection
images.Add(filename);
}
catch (Exception e)
{
DemosTools.ShowErrorMessage(e);
return(null);
}
selectedIndex = 0;
// if image file contains more than 1 image
if (images.Count > 1)
{
// create a dialog that allows to select image from multipage image file
using (SelectImageForm selectImageForm =
new SelectImageForm(images))
{
// show the dialog
DialogResult result = selectImageForm.ShowDialog();
// if image is selected
if (result == DialogResult.OK)
{
// get the selected index
selectedIndex = selectImageForm.SelectedImageIndex;
}
else
{
selectedIndex = -1;
}
}
}
}
finally
{
DocumentPasswordForm.DisableAuthentication(images);
// if image is not selected
if (selectedIndex == -1)
{
// clear and dispose images from the image collection
images.ClearAndDisposeItems();
// dispose image collection
images.Dispose();
}
}
return(images);
}
/// <summary>
/// Reloads images in image collection.
/// </summary>
/// <param name="filename">The filename.</param>
/// <param name="readonlyMode">A value indicating whether file should be opened in readonly mode.</param>
private void Reload(string filename, bool readOnlyMode)
{
_images.ClearAndDisposeItems();
_images.Add(filename, readOnlyMode);
}