private void GetImageFileFromSystem()
{
try
{
SetMode(Modes.SingleImage);
// The primary thing that OpenFileDialogWithViews buys us is the ability to default to large icons.
// OpenFileDialogWithViews still doesn't let us read (and thus remember) the selected view.
using (var dlg = new OpenFileDialogWithViews(OpenFileDialogWithViews.DialogViewTypes.Large_Icons))
{
if (string.IsNullOrEmpty(ImageToolboxSettings.Default.LastImageFolder))
{
dlg.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyPictures);
}
else
{
dlg.InitialDirectory = ImageToolboxSettings.Default.LastImageFolder;;
}
dlg.Title = "Choose Picture File".Localize("ImageToolbox.FileChooserTitle", "Title shown for a file chooser dialog brought up by the ImageToolbox");
//NB: dissallowed gif because of a .net crash: http://jira.palaso.org/issues/browse/BL-85
dlg.Filter = "picture files".Localize("ImageToolbox.PictureFiles", "Shown in the file-picking dialog to describe what kind of files the dialog is filtering for") + "(*.png;*.tif;*.tiff;*.jpg;*.jpeg;*.bmp)|*.png;*.tif;*.tiff;*.jpg;*.jpeg;*.bmp;";
if (DialogResult.OK == dlg.ShowDialog(this.ParentForm))
{
ImageToolboxSettings.Default.LastImageFolder = Path.GetDirectoryName(dlg.FileName);
ImageToolboxSettings.Default.Save();
try
{
_currentImage = PalasoImage.FromFile(dlg.FileName);
}
catch (Exception err) //for example, http://jira.palaso.org/issues/browse/BL-199
{
var msg = "Sorry, there was a problem loading that image.".Localize(
"ImageToolbox.ProblemLoadingImage");
if (ImageLoadingExceptionReporter != null)
{
ImageLoadingExceptionReporter(dlg.FileName, err, msg);
}
else
{
ErrorReport.NotifyUserOfProblem(err, msg);
}
return;
}
_pictureBox.Image = _currentImage.Image;
if (ImageChanged != null)
{
ImageChanged.Invoke(this, null);
}
}
}
}
finally
{
_actModal = false;
}
}
private void OpenFileFromDrag(string path)
{
SetMode(Modes.SingleImage);
_currentImage = PalasoImage.FromFile(path);
_pictureBox.Image = _currentImage.Image;
ImageToolboxSettings.Default.LastImageFolder = Path.GetDirectoryName(path);
ImageToolboxSettings.Default.Save();
if (ImageChanged != null)
{
ImageChanged.Invoke(this, null);
}
}
/// <summary>
/// Load a PalasoImage from a file, trying several times if needed.
/// </summary>
/// <remarks>
/// This would logically belong in SIL.Core.IO.RobustIO except that PalasoImage is in SIL.Windows.Forms.
/// </remarks>
public static PalasoImage FromFileRobustly(string path)
{
return(RetryUtility.Retry(() => PalasoImage.FromFile(path),
RetryUtility.kDefaultMaxRetryAttempts,
RetryUtility.kDefaultRetryDelay,
new HashSet <Type>
{
Type.GetType("System.IO.IOException"),
// Odd type to catch... but it seems that Image.FromFile (which is called in the bowels of PalasoImage.FromFile)
// throws OutOfMemoryException when the file is inaccessible.
// See http://stackoverflow.com/questions/2610416/is-there-a-reason-image-fromfile-throws-an-outofmemoryexception-for-an-invalid-i
Type.GetType("System.OutOfMemoryException")
}));
}
private void GetFromDevice(ImageAcquisitionService.DeviceKind deviceKind)
{
//_pictureBox.Image = SampleImages.sampleScan;
try
{
var acquisitionService = new ImageAcquisitionService(deviceKind);
var wiaImageFile = acquisitionService.Acquire();
if (wiaImageFile == null)
{
return;
}
var imageFile = ConvertToPngOrJpegIfNotAlready(wiaImageFile);
_currentImage = PalasoImage.FromFile(imageFile);
_pictureBox.Image = _currentImage.Image;
if (ImageChanged != null)
{
ImageChanged.Invoke(this, null);
}
}
catch (ImageDeviceNotFoundException error)
{
_messageLabel.Text = error.Message + Environment.NewLine + Environment.NewLine +
"Note: this program works with devices that have a 'WIA' driver, not the old-style 'TWAIN' driver";
_messageLabel.Visible = true;
}
catch (WIA_Version2_MissingException)
{
_messageLabel.Text = "Windows XP does not come with a crucial DLL that lets you use a WIA scanner with this program. Get a technical person to downloand and follow the directions at http://vbnet.mvps.org/files/updates/wiaautsdk.zip";
_messageLabel.Visible = true;
}
catch (Exception error)
{
ErrorReport.NotifyUserOfProblem(error, "Problem Getting Image".Localize("ImageToolbox.ProblemGettingImageFromDevice"));
}
}