/// <summary>
/// This method returns an default colored <see cref="VGElement"/>
/// that represents the object in the database described by the three parameters
/// </summary>
/// <param name="shapeType">A <see cref="String"/> with the shape type Rectangle, Ellipse or Polyline</param>
/// <param name="shapeName">A <see cref="String"/> with the shape name</param>
/// <param name="shapeGroup">A <see cref="String"/> with the shapes group</param>
/// <param name="strPtList">A <see cref="String"/> with the list of points to be converted
/// with <see cref="ObjectStringConverter.StringToPointFList(String)"/></param>
/// <returns>A <see cref="VGElement"/> that represents the object in the database described by the three parameters.</returns>
public static VGElement GetVGElementFromDatabase(
string shapeType,
string shapeName,
string shapeGroup,
string strPtList)
{
// Create the shape depending on ShapeType
RectangleF boundingRect = new RectangleF();
List<PointF> pointList = ObjectStringConverter.StringToPointFList(strPtList);
switch (shapeType)
{
case "Rectangle":
boundingRect.Location = pointList[0];
boundingRect.Width = pointList[2].X - pointList[0].X;
boundingRect.Height = pointList[2].Y - pointList[0].Y;
// Create Rect with defined stroke
VGRectangle newRect = new VGRectangle(
ShapeDrawAction.NameAndEdge,
Pens.Red,
SystemFonts.MenuFont,
Color.Black,
boundingRect,
VGStyleGroup.None,
shapeName,
shapeGroup);
newRect.TextAlignment = VGAlignment.Center;
return newRect;
case "Ellipse":
boundingRect.Location = pointList[0];
boundingRect.Width = pointList[2].X - pointList[0].X;
boundingRect.Height = pointList[2].Y - pointList[0].Y;
// Create Rect with defined stroke
VGEllipse newEllipse = new VGEllipse(
ShapeDrawAction.NameAndEdge,
Pens.Red,
SystemFonts.MenuFont,
Color.Black,
boundingRect,
VGStyleGroup.None,
shapeName,
shapeGroup);
newEllipse.TextAlignment = VGAlignment.Center;
return newEllipse;
case "Polyline":
// Create Polyline with defined stroke
VGPolyline newPolyline = new VGPolyline(
ShapeDrawAction.NameAndEdge,
Pens.Red,
SystemFonts.MenuFont,
Color.Black,
VGStyleGroup.None,
shapeName,
shapeGroup);
newPolyline.TextAlignment = VGAlignment.Center;
foreach (PointF point in pointList)
{
newPolyline.AddPt(point);
}
newPolyline.ClosePolyline();
boundingRect = newPolyline.Bounds;
return newPolyline;
}
return null;
}
/// <summary>
/// Loads the shapes that are listed in the given database table
/// and creates corresponding graphic elements.
/// </summary>
/// <param name="areaOfInterestTableRows">
/// Areas of interest table as
/// a <see cref="DataGridViewRowCollection"/>
/// </param>
public void LoadShapesFromDataGridView(DataGridViewRowCollection areaOfInterestTableRows)
{
try
{
// Create aoi elements from data view
this.AoiCollection = new VGElementCollection();
foreach (DataGridViewRow row in areaOfInterestTableRows)
{
if (!row.IsNewRow)
{
// retrieve shape parameters from cell values.
var shapeName = row.Cells["colShapeName"].Value.ToString();
var strPtList = row.Cells["colShapePts"].Value.ToString();
Pen usedPen;
Font usedFont;
Color usedFontColor;
VGAlignment usedAlignment;
VGStyleGroup usedStyleGroup;
var pointList = ObjectStringConverter.StringToPointFList(strPtList);
var usedElementGroup = row.Cells["colShapeGroup"].Value.ToString();
switch (usedElementGroup)
{
case "Target":
usedPen = this.TargetPen;
usedFont = this.TargetFont;
usedFontColor = this.TargetFontColor;
usedStyleGroup = VGStyleGroup.AOI_TARGET;
usedAlignment = this.TargetTextAlignment;
break;
case "SearchRect":
usedPen = this.SearchRectPen;
usedFont = this.SearchRectFont;
usedFontColor = this.SearchRectFontColor;
usedStyleGroup = VGStyleGroup.AOI_SEARCHRECT;
usedAlignment = this.SearchRectTextAlignment;
break;
default:
usedPen = this.DefaultPen;
usedFont = this.DefaultFonts;
usedFontColor = this.DefaultFontColor;
usedStyleGroup = VGStyleGroup.AOI_NORMAL;
usedAlignment = this.DefaultTextAlignment;
break;
}
// Create the shape depending on ShapeType
var boundingRect = new RectangleF();
switch (row.Cells["colShapeType"].Value.ToString())
{
case "Rectangle":
boundingRect.Location = pointList[0];
boundingRect.Width = pointList[2].X - pointList[0].X;
boundingRect.Height = pointList[2].Y - pointList[0].Y;
// Create Rect with defined stroke
var newRect =
new VGRectangle(
this.hideAOIDescription ? ShapeDrawAction.Edge : ShapeDrawAction.NameAndEdge,
usedPen,
usedFont,
usedFontColor,
boundingRect,
usedStyleGroup,
shapeName,
usedElementGroup);
newRect.TextAlignment = usedAlignment;
this.AoiCollection.Add(newRect);
break;
case "Ellipse":
boundingRect.Location = pointList[0];
boundingRect.Width = pointList[2].X - pointList[0].X;
boundingRect.Height = pointList[2].Y - pointList[0].Y;
// Create Rect with defined stroke
var newEllipse =
new VGEllipse(
this.hideAOIDescription ? ShapeDrawAction.Edge : ShapeDrawAction.NameAndEdge,
usedPen,
usedFont,
usedFontColor,
boundingRect,
usedStyleGroup,
shapeName,
usedElementGroup);
newEllipse.TextAlignment = usedAlignment;
this.AoiCollection.Add(newEllipse);
break;
case "Polyline":
// Create Polyline with defined stroke
var newPolyline =
new VGPolyline(
this.hideAOIDescription ? ShapeDrawAction.Edge : ShapeDrawAction.NameAndEdge,
usedPen,
usedFont,
usedFontColor,
usedStyleGroup,
shapeName,
usedElementGroup);
newPolyline.TextAlignment = usedAlignment;
foreach (var point in pointList)
{
newPolyline.AddPt(point);
}
newPolyline.ClosePolyline();
this.AoiCollection.Add(newPolyline);
break;
}
}
}
// Reset Elements (deselect and clear all)
this.ResetPicture();
this.Elements.AddRange(this.AoiCollection);
// If there were a selected element before updating, try
// to select it again.
if (this.SelectedElement != null)
{
foreach (VGElement element in this.Elements)
{
if (VGPolyline.Distance(element.Location, this.SelectedElement.Location) < 1)
{
this.SelectedElement = element;
element.IsInEditMode = true;
}
}
}
this.DrawForeground(true);
}
catch (Exception ex)
{
ExceptionMethods.HandleException(ex);
}
}
/// <summary>
/// This method converts the AOI table with areas of interest from the database
/// into a list of <see cref="VGElement"/>s.
/// </summary>
/// <param name="aoiTable">The <see cref="DataTable"/> with the AOIs.</param>
/// <returns>A <see cref="List{VGElement}"/> with the shapes.</returns>
protected virtual VGElementCollection GetAOIElements(DataTable aoiTable)
{
Pen defaultPen = new Pen(Properties.Settings.Default.AOIStandardColor, Properties.Settings.Default.AOIStandardWidth);
Pen targetPen = new Pen(Properties.Settings.Default.AOITargetColor, Properties.Settings.Default.AOITargetWidth);
Pen searchRectPen = new Pen(Properties.Settings.Default.AOISearchRectColor, Properties.Settings.Default.AOISearchRectWidth);
Font defaultFont = (Font)Properties.Settings.Default.AOIStandardFont.Clone();
Font targetFont = (Font)Properties.Settings.Default.AOITargetFont.Clone();
Font searchRectFont = (Font)Properties.Settings.Default.AOISearchRectFont.Clone();
Color defaultFontColor = Properties.Settings.Default.AOIStandardFontColor;
Color targetFontColor = Properties.Settings.Default.AOITargetFontColor;
Color searchRectFontColor = Properties.Settings.Default.AOISearchRectFontColor;
VGElementCollection aoiList = new VGElementCollection();
int counter = 0;
try
{
foreach (DataRow row in aoiTable.Rows)
{
string strPtList = row["ShapePts"].ToString();
string shapeName = row["ShapeName"].ToString();
Pen usedPen = defaultPen;
Font usedFont = defaultFont;
Color usedFontColor = defaultFontColor;
VGStyleGroup usedStyleGroup = VGStyleGroup.AOI_NORMAL;
List<PointF> pointList = ObjectStringConverter.StringToPointFList(strPtList);
string usedElementGroup = row["ShapeGroup"].ToString();
switch (usedElementGroup)
{
case "Target":
usedPen = targetPen;
usedFont = targetFont;
usedFontColor = targetFontColor;
usedStyleGroup = VGStyleGroup.SCA_GRID_AOI;
break;
case "SearchRect":
usedPen = searchRectPen;
usedFont = searchRectFont;
usedFontColor = searchRectFontColor;
usedStyleGroup = VGStyleGroup.SCA_GRID_AOI;
break;
default:
usedPen = defaultPen;
usedFont = defaultFont;
usedFontColor = defaultFontColor;
usedStyleGroup = VGStyleGroup.SCA_GRID_AOI;
break;
}
// Create the shape depending on ShapeType
RectangleF boundingRect = new RectangleF();
switch (row["ShapeType"].ToString())
{
case "Rectangle":
boundingRect.Location = pointList[0];
boundingRect.Width = pointList[2].X - pointList[0].X;
boundingRect.Height = pointList[2].Y - pointList[0].Y;
// Create Rect with defined stroke
VGRectangle newRect = new VGRectangle(
ShapeDrawAction.NameAndEdge,
usedPen,
usedFont,
usedFontColor,
boundingRect,
usedStyleGroup,
shapeName,
usedElementGroup);
aoiList.Add(newRect);
break;
case "Ellipse":
boundingRect.Location = pointList[0];
boundingRect.Width = pointList[2].X - pointList[0].X;
boundingRect.Height = pointList[2].Y - pointList[0].Y;
// Create Rect with defined stroke
VGEllipse newEllipse = new VGEllipse(
ShapeDrawAction.NameAndEdge,
usedPen,
usedFont,
usedFontColor,
boundingRect,
usedStyleGroup,
shapeName,
usedElementGroup);
aoiList.Add(newEllipse);
break;
case "Polyline":
// Create Polyline with defined stroke
VGPolyline newPolyline = new VGPolyline(
ShapeDrawAction.NameAndEdge,
usedPen,
usedFont,
usedFontColor,
usedStyleGroup,
shapeName,
usedElementGroup);
foreach (PointF point in pointList)
{
newPolyline.AddPt(point);
}
newPolyline.ClosePolyline();
aoiList.Add(newPolyline);
boundingRect = newPolyline.Bounds;
break;
}
counter++;
}
}
catch (Exception ex)
{
ExceptionMethods.HandleException(ex);
}
return aoiList;
}