private void buttonClear_Click(object sender, RoutedEventArgs e)
{
if (!_docSaved)
{
if (CatfoodMessageBox.Show(MainWindow.MessageBoxIcon,
this,
"PDF not saved - are you sure you want to clear all pages?",
"Clear All Pages? - Catfood PdfScan",
CatfoodMessageBoxType.YesNo,
CatfoodMessageBoxIcon.Question) == CatfoodMessageBoxResult.Yes)
{
ResetState();
}
}
}
private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
if (!_docSaved)
{
if (CatfoodMessageBox.Show(MainWindow.MessageBoxIcon,
this,
"PDF not saved - are you sure you want to exit?",
"Exit Catfood PdfScan?",
CatfoodMessageBoxType.YesNo,
CatfoodMessageBoxIcon.Question) != CatfoodMessageBoxResult.Yes)
{
e.Cancel = true;
}
}
}
private bool SelectDevice()
{
try
{
CommonDialog commonDialog = new CommonDialog();
Device device = commonDialog.ShowSelectDevice(WiaDeviceType.ScannerDeviceType, false, true);
_deviceId = device.DeviceID;
}
catch (Exception ex)
{
UserSettings.Settings.LogException(LogSeverity.Warning, "Failed to select scanner", ex);
CatfoodMessageBox.Show(MainWindow.MessageBoxIcon,
this,
WiaErrorOrMessage(ex),
"Failed to select scanner - Catfood PdfScan",
CatfoodMessageBoxType.Ok,
CatfoodMessageBoxIcon.Error,
ex);
}
return(!string.IsNullOrEmpty(_deviceId));
}
private void ShowExceptionAndDie(Exception ex)
{
try
{
_settings.LogException(LogSeverity.Error,
"Unhandled Exception",
ex);
CatfoodMessageBox.Show(new BitmapImage(new Uri("pack://application:,,,/PdfScan.ico")),
MainWindow,
"Something has gone horribly wrong and Catfood PdfScan will now close. Sorry about that. Please report the error so that it gets fixed.",
"Fatal Error - Catfood PdfScan",
CatfoodMessageBoxType.Ok,
CatfoodMessageBoxIcon.Error,
ex);
}
catch
{
}
finally
{
Shutdown(1);
}
}
private void buttonSave_Click(object sender, RoutedEventArgs e)
{
try
{
Microsoft.Win32.SaveFileDialog sfd = new Microsoft.Win32.SaveFileDialog();
sfd.AddExtension = true;
sfd.CheckFileExists = false;
sfd.CheckPathExists = true;
sfd.DefaultExt = "pdf";
sfd.Filter = "PDF Documents (*.pdf)|*.pdf";
sfd.OverwritePrompt = true;
sfd.Title = "Save PDF - Catfood PdfScan";
if (textBoxTitle.Text.Length > 0)
{
char[] badFileChars = System.IO.Path.GetInvalidFileNameChars();
bool charIsBad = false;
StringBuilder sbFileName = new StringBuilder(textBoxTitle.Text.Length);
foreach (char c in textBoxTitle.Text)
{
charIsBad = false;
foreach (char badChar in badFileChars)
{
if (c == badChar)
{
charIsBad = true;
break;
}
}
if (!charIsBad)
{
sbFileName.Append(c);
}
}
sfd.FileName = sbFileName.ToString();
}
if (sfd.ShowDialog(this) == true)
{
Mouse.OverrideCursor = Cursors.Wait;
_doc.Info.Title = textBoxTitle.Text.Trim();
_doc.Info.Author = textBoxAuthor.Text.Trim();
_doc.Info.Subject = textBoxSubject.Text.Trim();
_doc.Info.Keywords = textBoxKeywords.Text.Trim();
_doc.Info.Creator = "PdfScan by Catfood Software: http://catfood.net/products/pdfscan/";
_doc.Save(sfd.FileName);
_docSaved = true;
if (UserSettings.Settings.CloseOnSave)
{
this.Close();
}
else
{
ResetState();
}
}
}
catch (Exception ex)
{
Mouse.OverrideCursor = null;
UserSettings.Settings.LogException(LogSeverity.Warning, "Failed to save PDF", ex);
CatfoodMessageBox.Show(MainWindow.MessageBoxIcon,
this,
WiaErrorOrMessage(ex),
"Failed to save - PdfScan",
CatfoodMessageBoxType.Ok,
CatfoodMessageBoxIcon.Error,
ex);
}
finally
{
Mouse.OverrideCursor = null;
}
}
private void buttonScanPages_Click(object sender, RoutedEventArgs e)
{
// select device if this failed at startup
if (string.IsNullOrEmpty(_deviceId))
{
if (!SelectDevice())
{
return;
}
}
try
{
Mouse.OverrideCursor = Cursors.Wait;
_width = Convert.ToDouble(textBoxWidth.Text, CultureInfo.CurrentCulture);
_height = Convert.ToDouble(textBoxHeight.Text, CultureInfo.CurrentCulture);
_adf = (checkBoxADF.IsChecked == true);
XImage ximage = null;
while ((ximage = ScanOne()) != null)
{
PdfPage page = _doc.AddPage();
page.Width = XUnit.FromInch(_width);
page.Height = XUnit.FromInch(_height);
using (XGraphics g = XGraphics.FromPdfPage(page))
{
g.DrawImage(ximage, 0, 0);
ximage.Dispose();
}
// flag that the document needs saving
_docSaved = false;
// only scan one page if not using the ADF
if (!_adf)
{
break;
}
UpdateState();
}
}
catch (Exception ex)
{
Mouse.OverrideCursor = null;
UserSettings.Settings.LogException(LogSeverity.Warning, "Failed to scan page", ex);
CatfoodMessageBox.Show(MainWindow.MessageBoxIcon,
this,
string.Format(CultureInfo.InvariantCulture, "{0} ({1})", WiaErrorOrMessage(ex), _lastItem),
"Failed to scan - Catfood PdfScan",
CatfoodMessageBoxType.Ok,
CatfoodMessageBoxIcon.Error,
ex);
}
finally
{
Mouse.OverrideCursor = null;
UpdateState();
}
}