private void _annAutomationObjects_ItemRemoved(object sender, AnnObjectCollectionEventArgs e)
{
// Check if we are updating the zones, no need for this
if (_ignoreAddRemove)
{
return;
}
// User deleted the annotation object, delete the corresponding zone
ZoneAnnotationObject zoneObject = e.Object as ZoneAnnotationObject;
if (zoneObject != null)
{
if (_setSelect)
{
InteractiveMode = ViewerControlInteractiveMode.SelectMode;
return;
}
_setSelect = true;
int index = zoneObject.ZoneIndex;
_ocrPage.Zones.RemoveAt(index);
// Reset all the zones
for (int i = 0; i < _annAutomation.Container.Children.Count; i++)
{
zoneObject = _annAutomation.Container.Children[i] as ZoneAnnotationObject;
zoneObject.SetZone(_ocrPage, i, _showZonesToolStripButton.Checked, _showZoneNameToolStripButton.Checked);
}
// We should mark the page as unrecognized since we updated its zones
_ocrPage.Unrecognize();
// Update the thumbnail(s)
DoAction("RefreshPagesControl", false);
}
}
void _annAutomation_Draw(object sender, AnnDrawDesignerEventArgs e)
{
if (!(e.OperationStatus == AnnDesignerOperationStatus.End))
{
return;
}
// Add a new zone from the annotation rectangle object
ZoneAnnotationObject zoneObject = e.Object as ZoneAnnotationObject;
if (zoneObject == null)
{
return;
}
OcrZone zone = new OcrZone();
zone.Bounds = RestrictZoneBoundsToPage(_ocrPage, BoundsFromAnnotations(zoneObject, _annAutomation.Container));
if (!zone.Bounds.IsEmpty)
{
_ocrPage.Zones.Add(zone);
}
else
{
InteractiveMode = ViewerControlInteractiveMode.DrawZoneMode;
return;
}
// Set the zone
zoneObject.SetZone(_ocrPage, _ocrPage.Zones.Count - 1, _showZonesToolStripButton.Checked, _showZoneNameToolStripButton.Checked);
ZonesUpdated();
InteractiveMode = ViewerControlInteractiveMode.DrawZoneMode;
UpdateUIState();
}
AnnAutomationObject CreateZoneAutomationObject()
{
AnnAutomationObject automationObj = new AnnAutomationObject();
ZoneAnnotationObject zoneAnnotationObject = new ZoneAnnotationObject();
AnnAutomationObject rectAutomationObject = GetAutomationObject(_annAutomationManager, AnnObject.RectangleObjectId);
AnnRectangleObject rectObject = rectAutomationObject.ObjectTemplate as AnnRectangleObject;
zoneAnnotationObject.Stroke = rectObject.Stroke != null?rectObject.Stroke.Clone() as AnnStroke : null;
zoneAnnotationObject.Fill = rectObject.Fill != null?rectObject.Fill.Clone() as AnnBrush : null;
zoneAnnotationObject.CellPen = AnnStroke.Create(AnnSolidColorBrush.Create("Blue"), new LeadLengthD(1));
automationObj.Id = AnnObject.UserObjectId;
automationObj.Name = zoneAnnotationObject.FriendlyName;
automationObj.ObjectTemplate = zoneAnnotationObject;
automationObj.DrawDesignerType = rectAutomationObject.DrawDesignerType;
automationObj.EditDesignerType = typeof(ZoneAnnotationObjectEditDesigner);
automationObj.RunDesignerType = rectAutomationObject.RunDesignerType;
automationObj.DrawCursor = rectAutomationObject.DrawCursor;
// Disable the rotation points
automationObj.UseRotateThumbs = false;
return(automationObj);
}
/// <summary>
/// Called from the main form when the zones are updated
/// </summary>
public void ZonesUpdated()
{
// Stop updating the viewer
_rasterImageViewer.BeginUpdate();
// Remove all the annotations objects and re-add them from the zones
if (_annAutomation != null)
{
_annAutomation.Cancel();
_annAutomation.Container.Children.Clear();
}
_ignoreAddRemove = true;
_setSelect = true;
// Get the rectangle automation object so we can use the template
// to create the new annotation objects
bool isVisible = _showZonesToolStripButton.Checked && !MainForm.PerspectiveDeskewActive && !MainForm.UnWarpActive;
bool isNameVisible = _showZoneNameToolStripButton.Checked;
if (_ocrPage != null && _ocrPage.Zones != null && _ocrPage.Zones.Count > 0)
{
for (int i = 0; i < _ocrPage.Zones.Count; i++)
{
OcrZone zone = _ocrPage.Zones[i];
ZoneAnnotationObject zoneObject = new ZoneAnnotationObject();
zoneObject.SetZone(_ocrPage, i, isVisible, isNameVisible);
_annAutomation.Container.Children.Add(zoneObject);
// Now we can calculate the object bounds correctly
LeadRect rc = zone.Bounds;
LeadRectD rect = BoundsToAnnotations(zoneObject, rc, _annAutomation.Container);
zoneObject.Rect = rect;
}
}
_ignoreAddRemove = false;
// Re-update the viewer
_rasterImageViewer.EndUpdate();
_rasterImageViewer.Invalidate();
UpdateUIState();
}
private void _annAutomation_AfterObjectChanged(object sender, AnnAfterObjectChangedEventArgs e)
{
// The annotation object has been changed, update the corresponding zone
switch (e.ChangeType)
{
case AnnObjectChangedType.DesignerEdit:
{
// The object moved or re-sized, update the bounds
ZoneAnnotationObject zoneObject = e.Objects[0] as ZoneAnnotationObject;
OcrZone zone = _ocrPage.Zones[zoneObject.ZoneIndex];
zone.Bounds = RestrictZoneBoundsToPage(_ocrPage, BoundsFromAnnotations(zoneObject, _annAutomation.Container));
bool zoneChanged = false;
if (_ocrPage.Zones[zoneObject.ZoneIndex].Bounds != zone.Bounds)
{
zoneChanged = true;
}
_ocrPage.Zones[zoneObject.ZoneIndex] = zone;
if (zoneChanged)
{
_rasterImageViewer.BeginUpdate();
// We should mark the page as unrecognized since we updated its zones
_ocrPage.Unrecognize();
// Update the thumbnail(s)
DoAction("RefreshPagesControl", false);
_rasterImageViewer.EndUpdate();
}
}
break;
}
}
/// <summary>
/// Called from the main form when the zones are updated
/// </summary>
public void ZonesUpdated()
{
if (_ocrPage == null)
{
return;
}
// Stop updating the viewer
_rasterImageViewer.BeginUpdate();
// Remove all the annotations objects and re-add them from the zones
_annAutomation.Cancel();
_ignoreAddRemove = true;
_annAutomation.Container.Children.Clear();
_setSelect = true;
// Get the rectangle automation object so we can use the template
// to create the new annotation objects
bool isVisible = _showZonesToolStripButton.Checked && !MainForm.PerspectiveDeskewActive && !MainForm.UnWarpActive;
bool isNameVisible = _showZoneNameToolStripButton.Checked;
ZoneAnnotationObjectRenderer zoneObjectRenderer = (ZoneAnnotationObjectRenderer)_annAutomationManager.RenderingEngine.Renderers[AnnObject.UserObjectId];
zoneObjectRenderer.OcrPage = _ocrPage;
for (int i = 0; i < _ocrPage.Zones.Count; i++)
{
OcrZone zone = _ocrPage.Zones[i];
ZoneAnnotationObject zoneObject = new ZoneAnnotationObject();
zoneObject.SetZone(_ocrPage, i, isVisible, isNameVisible);
_annAutomation.Container.Children.Add(zoneObject);
// Now we can calculate the object bounds correctly
OcrZoneCell[] cells = null;
cells = _ocrPage.Zones.GetZoneCells(zone);
LeadRect rc = zone.Bounds;
LeadRectD rect = BoundsToAnnotations(zoneObject, rc, _annAutomation.Container);
zoneObject.Rect = rect;
if (cells != null)
{
foreach (OcrZoneCell cell in cells)
{
LeadRect r = cell.Bounds;
LeadRectD rd = BoundsToAnnotations(zoneObject, r, _annAutomation.Container);
cell.Bounds = BoundsToAnnotations(zoneObject, r, _annAutomation.Container).ToLeadRect();
}
zoneObject.Cells = cells;
}
}
_ignoreAddRemove = false;
// Re-update the viewer
_rasterImageViewer.EndUpdate();
_rasterImageViewer.Invalidate();
UpdateUIState();
}
