private void UpdateUIState()
{
bool itemSelected = _barcodesListView.SelectedItems.Count > 0;
_deleteButton.Enabled = itemSelected;
_zoomToButton.Enabled = itemSelected;
#if LEADTOOLS_V20_OR_LATER
_aamvaButton.Enabled = false;
if (_rasterImage != null)
{
PageBarcodes pageBarcodes = _documentBarcodes.Pages[_rasterImage.Page - 1];
if (pageBarcodes.SelectedIndex > -1)
{
BarcodeData data = pageBarcodes.Barcodes[pageBarcodes.SelectedIndex];
if (data.Symbology == BarcodeSymbology.PDF417)
{
AAMVAID id = BarcodeData.ParseAAMVAData(data.GetData(), false);
if (id != null)
{
_aamvaButton.Enabled = true;
id.Dispose();
}
}
}
}
#endif // #if LEADTOOLS_V20_OR_LATER
}
/// <summary>
/// Called by MainForm and internally whenever the document barcodes are updated
/// </summary>
public void Populate()
{
_barcodesListView.Items.Clear();
if (_documentBarcodes != null && _rasterImage != null)
{
PageBarcodes pageBarcodes = _documentBarcodes.Pages[_rasterImage.Page - 1];
foreach (BarcodeData data in pageBarcodes.Barcodes)
{
ListViewItem item = new ListViewItem();
item.Text = BarcodeEngine.GetSymbologyFriendlyName(data.Symbology);
LeadRect rc = data.Bounds;
item.SubItems.Add(string.Format("{0}, {1}, {2}, {3}", rc.Left, rc.Top, rc.Right, rc.Bottom));
string value = data.Value;
if (!string.IsNullOrEmpty(value))
{
// Parse the QR barcodes for ECI data
string eciData = null;
if (data.Symbology == BarcodeSymbology.QR || data.Symbology == BarcodeSymbology.MicroQR)
{
eciData = BarcodeData.ParseECIData(data.GetData());
}
if (!string.IsNullOrEmpty(eciData))
{
item.SubItems.Add(eciData);
}
else
{
item.SubItems.Add(value);
}
}
else
{
item.SubItems.Add("<NO DATA>");
}
_barcodesListView.Items.Add(item);
}
if (pageBarcodes.SelectedIndex != -1)
{
_barcodesListView.Items[pageBarcodes.SelectedIndex].Selected = true;
_barcodesListView.EnsureVisible(pageBarcodes.SelectedIndex);
}
}
UpdateUIState();
}
private int HitTestBarcode(LeadPoint point)
{
int index = 0;
PageBarcodes pageBarcodes = _documentBarcodes.Pages[_rasterImageViewer.Image.Page - 1];
foreach (BarcodeData data in pageBarcodes.Barcodes)
{
if (data.Bounds.Contains(point))
{
return(index);
}
index++;
}
return(-1);
}
private void _rasterImageViewer_PostImagePaint(object sender, ImageViewerRenderEventArgs e)
{
RasterImage image = _rasterImageViewer.Image;
if (image != null && !_disableExtraDrawing)
{
if (ShowBarcodes)
{
using (StringFormat sf = new StringFormat())
using (Brush normalBrush = new SolidBrush(Color.FromArgb(200, Color.DarkGreen)))
using (Pen normalPen = new Pen(Color.FromArgb(180, Color.DarkGreen), 4))
using (Brush selectedBrush = new SolidBrush(Color.FromArgb(200, Color.Blue)))
using (Pen selectedPen = new Pen(Color.FromArgb(180, Color.Blue), 4))
{
sf.FormatFlags = StringFormatFlags.NoWrap;
// Draw the barcodes for this page
int index = 0;
PageBarcodes pageBarcodes = _documentBarcodes.Pages[image.Page - 1];
foreach (BarcodeData data in pageBarcodes.Barcodes)
{
if (index == pageBarcodes.SelectedIndex)
{
DrawBarcodeData(e.PaintEventArgs.Graphics, image, data, sf, selectedBrush, selectedPen);
}
else
{
DrawBarcodeData(e.PaintEventArgs.Graphics, image, data, sf, normalBrush, normalPen);
}
index++;
}
}
}
if (_viewerRegion && _rasterImageViewer.Image.Page == _viewerRegionPage)
{
// Draw an alpha brush around the image region
if (!_rasterImageViewer.Image.HasRegion)
{
_rasterImageViewer.Image.SetRegion(null, RegionG, RasterRegionCombineMode.Set);
}
LeadRect regionBounds = RegionG.GetBounds();// _rasterImageViewer.Image.GetRegionBounds(null);
LeadRectD regionRect = new LeadRectD(regionBounds.X, regionBounds.Y, regionBounds.Width, regionBounds.Height);
regionRect = _rasterImageViewer.ImageTransform.TransformRect(regionRect);
regionRect.Inflate(1, 1);
LeadRectD imageRect = new LeadRectD(0, 0, image.ImageWidth, image.ImageHeight);
imageRect = _rasterImageViewer.ImageTransform.TransformRect(imageRect);
imageRect.Inflate(1, 1);
using (Region region = new Region(new Rectangle((int)imageRect.X, (int)imageRect.Y, (int)imageRect.Width, (int)imageRect.Height)))
{
region.Exclude(new Rectangle((int)regionRect.X, (int)regionRect.Y, (int)regionRect.Width, (int)regionRect.Height));
using (Brush brush = new HatchBrush(HatchStyle.SmallConfetti, Color.Black, Color.FromArgb(64, Color.Black)))
{
e.PaintEventArgs.Graphics.FillRegion(brush, region);
}
}
e.PaintEventArgs.Graphics.DrawRectangle(Pens.Black, (int)regionRect.X, (int)regionRect.Y, (int)regionRect.Width, (int)regionRect.Height);
e.PaintEventArgs.Graphics.DrawRectangle(Pens.Black, (int)imageRect.X, (int)imageRect.Y, (int)imageRect.Width, (int)imageRect.Height);
}
}
}
private void DoReadBarcodes()
{
_documentBarcodes = new DocumentBarcodes();
_barcodesListView.Groups.Clear();
_barcodesListView.Items.Clear();
_infoLabel.Text = DemosGlobalization.GetResxString(GetType(), "Resx_SearchingForBarcode");
_retryLinkLabel.Visible = false;
_retryLinkLabel.Enabled = false;
_messageLabel.Visible = true;
_messageLabel.Text = string.Empty;
_showReadOptionsDialogCheckBox.Visible = false;
_stopButton.DialogResult = DialogResult.None;
_stopButton.Text = "&Stop";
this.AcceptButton = null;
this.CancelButton = null;
_isWorking = true;
Application.DoEvents();
int firstPageNumber;
int lastPageNumber;
if (_currentPageOnly)
{
firstPageNumber = _rasterImage.Page;
lastPageNumber = _rasterImage.Page;
}
else
{
firstPageNumber = 1;
lastPageNumber = _rasterImage.PageCount;
}
Exception error = null;
_stopWatch = new Stopwatch();
_lastPageNumber = lastPageNumber;
for (int pageNumber = firstPageNumber; pageNumber <= lastPageNumber && !_isAborted && error == null; pageNumber++)
{
_currentPageNumber = pageNumber;
UpdateMessageLabel(null);
Application.DoEvents();
int savePageNumber = -1;
if (_rasterImage.Page != pageNumber)
{
_rasterImage.DisableEvents();
savePageNumber = _rasterImage.Page;
_rasterImage.Page = pageNumber;
}
// Continue on errors
_barcodeEngine.Reader.ErrorMode = BarcodeReaderErrorMode.IgnoreAll;
_barcodeEngine.Reader.ReadSymbology += new EventHandler <BarcodeReadSymbologyEventArgs>(Reader_ReadSymbology);
try
{
BarcodeData[] barcodes = _barcodeEngine.Reader.ReadBarcodes(_rasterImage, _bounds, 0, _symbologies, null);
PageBarcodes pageBarcodes = new PageBarcodes();
foreach (BarcodeData barcode in barcodes)
{
pageBarcodes.Barcodes.Add(barcode);
}
_documentBarcodes.Pages.Add(pageBarcodes);
}
catch (Exception ex)
{
error = ex;
}
finally
{
if (savePageNumber != -1)
{
_rasterImage.EnableEvents();
_rasterImage.Page = savePageNumber;
}
_barcodeEngine.Reader.ReadSymbology -= new EventHandler <BarcodeReadSymbologyEventArgs>(Reader_ReadSymbology);
_barcodeEngine.Reader.ErrorMode = BarcodeReaderErrorMode.Default;
}
}
_messageLabel.Visible = false;
_retryLinkLabel.Visible = true;
_retryLinkLabel.Enabled = true;
int count = 0;
foreach (PageBarcodes pageBarcodes in _documentBarcodes.Pages)
{
count += pageBarcodes.Barcodes.Count;
}
if (count > 0)
{
_infoLabel.Text = string.Format(DemosGlobalization.GetResxString(GetType(), "Resx_DoneBarcode"), count);
}
else
{
_infoLabel.Text = string.Format(DemosGlobalization.GetResxString(GetType(), "Resx_DoneNoBarcode"));
}
if (error != null)
{
_stopButton.DialogResult = DialogResult.Cancel;
MessageBox.Show(this, error.Message, DemosGlobalization.GetResxString(GetType(), "Resx_Error"), MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
if (count == 0 && error == null)
{
_showReadOptionsDialogCheckBox.Visible = true;
}
_stopButton.Text = "C&lose";
_stopButton.DialogResult = DialogResult.OK;
this.AcceptButton = _stopButton;
this.CancelButton = _stopButton;
_isWorking = false;
_stopButton.Focus();
}
