void _rasterImageViewer_InteractiveZoomTo(object sender, ImageViewerRubberBandEventArgs e)
{
// Go back to selection mode
// We must invoke this because the select button will change the
// interactive mode of the viewer and hence, cancel the current
// operation
BeginInvoke(new MethodInvoker(_selectModeToolStripButton.PerformClick));
}
private void rubberBandMode_RubberBandCompleted(object sender, ImageViewerRubberBandEventArgs e)
{
// User selected a new rectangle
_overlayRect = _imageViewer.ConvertRect(
null,
ImageViewerCoordinateType.Control,
ImageViewerCoordinateType.Image,
LeadRect.FromLTRB(e.Points[0].X, e.Points[0].Y, e.Points[1].X, e.Points[1].Y));
// We need to change the interactive mode back to "None"
ResetInteractiveMode();
}
private void _rasterImageViewer_InteractiveRegionRectangle(object sender, ImageViewerRubberBandEventArgs e)
{
// Go back to selection mode
// We must invoke this because the select button will change the
// interactive mode of the viewer and hence, cancel the current
// operation
BeginInvoke(new MethodInvoker(DoSelectMode));
BeginInvoke(new MethodInvoker(UpdateUIState));
_disableExtraDrawing = false;
_viewerRegionCopy = true;
}
void _rubberBand_RubberBandCompleted(object sender, ImageViewerRubberBandEventArgs e)
{
if (_ocrPage == null)
{
return;
}
try
{
_tsMainZoomComboBox.Enabled = false;
using (WaitCursor cursor = new WaitCursor())
{
if (_viewer.Image != null)
{
_currentHighlightRect = _viewer.ConvertRect(
null,
ImageViewerCoordinateType.Control,
ImageViewerCoordinateType.Image,
LeadRect.FromLTRB(e.Points[0].X, e.Points[0].Y, e.Points[1].X, e.Points[1].Y));
if (_currentHighlightRect.Width > 2 && _currentHighlightRect.Height > 2)
{
OcrZone zone = new OcrZone();
zone.Bounds = _currentHighlightRect;
zone.ZoneType = OcrZoneType.Text;
zone.CharacterFilters = OcrZoneCharacterFilters.None;
_ocrPage.Zones.Clear();
_ocrPage.Zones.Add(zone);
_ocrPage.Recognize(null);
_recognitionResults.Text = _ocrPage.GetText(0);
if (_recognitionResults.Text == "\n" || _recognitionResults.Text == "")
{
Messager.ShowInformation(this, "No text was recognized.");
}
}
}
}
}
catch (Exception ex)
{
Messager.ShowError(this, ex);
}
finally
{
_viewer.Invalidate();
_tsMainZoomComboBox.Enabled = true;
}
}
void RectInteractiveMode_RubberBandCompleted(object sender, ImageViewerRubberBandEventArgs e)
{
string actionName = null;
if (InteractiveMode == ViewerControlInteractiveMode.ReadBarcodeMode)
{
actionName = "ReadBarcode";
}
else if (InteractiveMode == ViewerControlInteractiveMode.WriteBarcodeMode)
{
actionName = "WriteBarcode";
}
if (actionName != null)
{
LeadRect MyRect = LeadRect.Create(e.InteractiveEventArgs.Origin.X, e.InteractiveEventArgs.Origin.Y, e.InteractiveEventArgs.Position.X - e.InteractiveEventArgs.Origin.X, e.InteractiveEventArgs.Position.Y - e.InteractiveEventArgs.Origin.Y);
Rectangle pixels = new Rectangle((int)MyRect.X, (int)MyRect.Y, (int)MyRect.Width, (int)MyRect.Height);
if (pixels.Left > pixels.Right)
{
pixels = Rectangle.FromLTRB(pixels.Right, pixels.Top, pixels.Left, pixels.Bottom);
}
if (pixels.Top > pixels.Bottom)
{
pixels = Rectangle.FromLTRB(pixels.Left, pixels.Bottom, pixels.Right, pixels.Top);
}
if (pixels.Width > 2 && pixels.Height > 2)
{
RectangleF pixelsF = pixels;
using (Matrix m = GetMatrixFromLeadMatrix(_rasterImageViewer.GetImageTransformWithDpi(true)))
{
Transformer trans = new Transformer(m);
pixelsF = trans.RectangleToLogical(pixelsF);
}
pixelsF = RectangleF.Intersect(new RectangleF(0, 0, _rasterImageViewer.Image.ImageWidth, _rasterImageViewer.Image.ImageHeight), pixelsF);
pixels = Rectangle.Round(pixelsF);
LeadRect bounds = new LeadRect(pixels.X, pixels.Y, pixels.Width, pixels.Height);
BeginInvoke(new DoActionDelegate(DoAction), new object[] { actionName, bounds });
}
}
}
private void _rubberBandMode_RubberBandCompleted(object sender, ImageViewerRubberBandEventArgs e)
{
_frameRect = _viewer.ConvertRect(null,
ImageViewerCoordinateType.Control,
ImageViewerCoordinateType.Image,
LeadRect.FromLTRB(e.Points[0].X, e.Points[0].Y, e.Points[1].X, e.Points[1].Y));
try
{
if (_viewer.Image != null)
{
AddZones(true);
_viewer.Invalidate();
UpdateMyControls();
}
}
catch (Exception ex)
{
Messager.ShowError(this, ex);
}
}
void RectangleInteractiveMode_RubberBandCompleted(object sender, ImageViewerRubberBandEventArgs e)
{
Rectangle pixels = new Rectangle(e.InteractiveEventArgs.Origin.X, e.InteractiveEventArgs.Origin.Y, e.InteractiveEventArgs.Position.X - e.InteractiveEventArgs.Origin.X, e.InteractiveEventArgs.Position.Y - e.InteractiveEventArgs.Origin.Y);
if (pixels.Left > pixels.Right)
{
pixels = Rectangle.FromLTRB(pixels.Right, pixels.Top, pixels.Left, pixels.Bottom);
}
if (pixels.Top > pixels.Bottom)
{
pixels = Rectangle.FromLTRB(pixels.Left, pixels.Bottom, pixels.Right, pixels.Top);
}
if (pixels.Width > 2 && pixels.Height > 2)
{
RectangleF pixelsF = pixels;
LeadMatrix mm = _rasterImageViewer.GetImageTransformWithDpi(true);
Matrix m = new Matrix((float)mm.M11, (float)mm.M12, (float)mm.M21, (float)mm.M22, (float)mm.OffsetX, (float)mm.OffsetY);
Transformer trans = new Transformer(m);
pixelsF = trans.RectangleToLogical(pixelsF);
pixelsF = RectangleF.Intersect(new RectangleF(0, 0, _rasterImageViewer.Image.ImageWidth, _rasterImageViewer.Image.ImageHeight), pixelsF);
pixels = Rectangle.Round(pixelsF);
LeadRect bounds = new LeadRect(pixels.X, pixels.Y, pixels.Width, pixels.Height);
BeginInvoke(new DoActionDelegate(DoAction), new object[] { "HighlightText", bounds });
}
// Go back to selection mode
// We must invoke this because the select button will change the
// interactive mode of the viewer and hence, cancel the current
// operation
BeginInvoke(new MethodInvoker(DoSelectMode));
}
void RegionInteractiveMode_RubberBandStarted(object sender, ImageViewerRubberBandEventArgs e)
{
_disableExtraDrawing = true;
_rasterImageViewer.Invalidate();
_rasterImageViewer.Update();
}
void _rubberBand_RubberBandCompleted(object sender, ImageViewerRubberBandEventArgs e)
{
if (_ocrPage == null)
return;
try
{
_tsMainZoomComboBox.Enabled = false;
using (WaitCursor cursor = new WaitCursor())
{
if (_viewer.Image != null)
{
_currentHighlightRect = _viewer.ConvertRect(
null,
ImageViewerCoordinateType.Control,
ImageViewerCoordinateType.Image,
LeadRect.FromLTRB(e.Points[0].X, e.Points[0].Y, e.Points[1].X, e.Points[1].Y));
if (_currentHighlightRect.Width > 2 && _currentHighlightRect.Height > 2)
{
OcrZone zone = new Leadtools.Forms.Ocr.OcrZone();
zone.Bounds = LogicalRectangle.FromRectangle(_currentHighlightRect);
zone.ZoneType = OcrZoneType.Text;
zone.CharacterFilters = OcrZoneCharacterFilters.None;
_ocrPage.Zones.Clear();
_ocrPage.Zones.Add(zone);
_ocrPage.Recognize(null);
_recognitionResults.Text = _ocrPage.GetText(0);
if (_recognitionResults.Text == "\n" || _recognitionResults.Text == "")
Messager.ShowInformation(this, "No text was recognized.");
}
}
}
}
catch (Exception ex)
{
Messager.ShowError(this, ex);
}
finally
{
_viewer.Invalidate();
_tsMainZoomComboBox.Enabled = true;
}
}
