protected override DrawingRectangleF MeasureTextCore(string text, GeoFont font)
{
PlatformGeoCanvas canvas = new PlatformGeoCanvas();
canvas.BeginDrawing(new Bitmap((int)virtualMapWidth, (int)virtualMapHeight), virtualWorldExtent, MapUnit);
return(canvas.MeasureText(text, font));
}
private float GetLegendHeight(LegendAdornmentLayer legendAdornmentLayer)
{
PlatformGeoCanvas gdiPlusGeoCanvas = new PlatformGeoCanvas();
LegendItem title = legendAdornmentLayer.Title;
float titleMeasuredHeight = gdiPlusGeoCanvas.MeasureText(title.TextStyle.TextColumnName, new GeoFont("Segoe UI", 12)).Height;
float legendHeight = new[] { titleMeasuredHeight, title.ImageHeight, title.Height }.Max();
float height = legendHeight + Math.Max(title.ImageTopPadding, title.TextTopPadding) + title.TopPadding + Math.Max(title.ImageBottomPadding, title.TextBottomPadding) + title.BottomPadding;
foreach (LegendItem legendItem in legendAdornmentLayer.LegendItems)
{
float itemLegendHeight = Math.Max(gdiPlusGeoCanvas.MeasureText(legendItem.TextStyle.TextColumnName, new GeoFont("Segoe UI", 10)).Height, legendItem.ImageHeight);
float itemHeight = itemLegendHeight + Math.Max(legendItem.ImageTopPadding, legendItem.TextTopPadding) + legendItem.TopPadding + Math.Max(legendItem.ImageBottomPadding, legendItem.TextBottomPadding) + legendItem.BottomPadding;
height += itemHeight;
}
return(height);
}
public float GetLegendWidth(LegendAdornmentLayer legendAdornmentLayer)
{
PlatformGeoCanvas gdiPlusGeoCanvas = new PlatformGeoCanvas();
LegendItem title = legendAdornmentLayer.Title;
float width = gdiPlusGeoCanvas.MeasureText(title.TextStyle.TextColumnName, new GeoFont("Segoe UI", 12)).Width
+ title.ImageWidth + title.ImageRightPadding + title.ImageLeftPadding + title.TextRightPadding + title.TextLeftPadding + title.LeftPadding + title.RightPadding;
foreach (LegendItem legendItem in legendAdornmentLayer.LegendItems)
{
float legendItemWidth = gdiPlusGeoCanvas.MeasureText(legendItem.TextStyle.TextColumnName, new GeoFont("Segoe UI", 10)).Width
+ legendItem.ImageWidth + legendItem.ImageRightPadding + legendItem.ImageLeftPadding + legendItem.TextRightPadding + legendItem.TextLeftPadding + legendItem.LeftPadding + legendItem.RightPadding;
if (width < legendItemWidth)
{
width = legendItemWidth;
}
}
return(width);
}
private void ConvertTextToAnnotation(string valueStyleMatchColumnName, TextStyle textStyle, Feature feature, string annotationText)
{
PlatformGeoCanvas canvas = new PlatformGeoCanvas
{
CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighSpeed,
DrawingQuality = DrawingQuality.HighSpeed,
SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighSpeed
};
double width = GisEditor.ActiveMap.ActualWidth;
double height = GisEditor.ActiveMap.ActualHeight;
Bitmap nativeImage = new Bitmap((int)width, (int)height);
canvas.BeginDrawing(nativeImage, GisEditor.ActiveMap.CurrentExtent, GisEditor.ActiveMap.MapUnit);
DrawingRectangleF rectangle = canvas.MeasureText(annotationText, textStyle.Font);
Type type = textStyle.GetType();
MethodInfo method = type.GetMethod("GetLabelingCandidates", BindingFlags.Instance | BindingFlags.NonPublic);
if (method != null)
{
Collection <LabelingCandidate> candidates = method.Invoke(textStyle, new object[] { feature, canvas }) as Collection <LabelingCandidate>;
if (candidates != null)
{
foreach (var candidate in candidates)
{
foreach (var labelInfo in candidate.LabelInformation)
{
ScreenPointF point = new ScreenPointF((float)labelInfo.PositionInScreenCoordinates.X + rectangle.Width / 2 + 3, (float)labelInfo.PositionInScreenCoordinates.Y - rectangle.Height / 2);
PointShape pointShape = ExtentHelper.ToWorldCoordinate(GisEditor.ActiveMap.CurrentExtent, point, (float)width, (float)height);
Feature pointFeature = new Feature(pointShape);
pointFeature.Id = pointShape.Id;
pointFeature.ColumnValues[AnnotationTrackInteractiveOverlay.valueStyleMatchColumnName] = valueStyleMatchColumnName;
pointFeature.ColumnValues[AnnotationTrackInteractiveOverlay.AnnotationTextColumnName] = annotationText;
CurrentAnnotationOverlay.TrackShapeLayer.InternalFeatures[pointShape.Id] = pointFeature;
}
}
}
}
}
//internal static void ActiveMap_MapClick(object sender, MapClickWpfMapEventArgs e)
internal static void ActiveMap_MapClick(object sender, MapMouseClickInteractiveOverlayEventArgs e)
{
if (ViewModel.IsInModifyMode)
{
ViewModel.CurrentAnnotationOverlay.TrackShapeLayer.Open();
RectangleShape clickBuffer = GetClickBuffer(e.InteractionArguments.WorldX, e.InteractionArguments.WorldY);
#region save feature ids to exclude temporary.
var tmpFeatureIdsToExclude = new Collection <string>();
foreach (var id in ViewModel.CurrentAnnotationOverlay.TrackShapeLayer.FeatureIdsToExclude)
{
tmpFeatureIdsToExclude.Add(id);
}
ViewModel.CurrentAnnotationOverlay.TrackShapeLayer.FeatureIdsToExclude.Clear();
#endregion save feature ids to exclude temporary.
var foundFeature = ViewModel.CurrentAnnotationOverlay.TrackShapeLayer.QueryTools
.GetFeaturesIntersecting(clickBuffer, ViewModel.CurrentAnnotationOverlay.TrackShapeLayer.GetDistinctColumnNames()).FirstOrDefault(tmpFeature => !tmpFeatureIdsToExclude.Contains(tmpFeature.Id));
if (foundFeature == default(Feature))
{
PlatformGeoCanvas geoCanvas = new PlatformGeoCanvas();
foundFeature = ViewModel.CurrentAnnotationOverlay.TrackShapeLayer.InternalFeatures
.Where(tmpFeature => tmpFeature.ColumnValues.ContainsKey(AnnotationTrackInteractiveOverlay.AnnotationTextColumnName) &&
!String.IsNullOrEmpty(tmpFeature.ColumnValues[AnnotationTrackInteractiveOverlay.AnnotationTextColumnName]))
.FirstOrDefault(textFeature =>
{
if (tmpFeatureIdsToExclude.Contains(textFeature.Id))
{
return(false);
}
TextStyle textStyle = ViewModel.CurrentAnnotationOverlay
.GetSpecificTextStyle(textFeature.ColumnValues[AnnotationTrackInteractiveOverlay.ValueStyleMatchColumnName]);
DrawingRectangleF textArea = geoCanvas.MeasureText(textFeature.ColumnValues[AnnotationTrackInteractiveOverlay.AnnotationTextColumnName]
, textStyle.Font);
PointShape textScreenPoint = GisEditor.ActiveMap.ToScreenCoordinate((PointShape)textFeature.GetShape());
double left = textScreenPoint.X;
double top = textScreenPoint.Y;
double right = textScreenPoint.X + textArea.Width;
double bottom = textScreenPoint.Y + textArea.Height;
string placementString = textStyle.PointPlacement.ToString();
if (placementString.Contains("Left"))
{
left = textScreenPoint.X - textArea.Width;
}
if (placementString.Contains("Upper"))
{
top = textScreenPoint.Y - textArea.Height;
}
PointShape upperLeft = GisEditor.ActiveMap.ToWorldCoordinate(new PointShape(left, top));
PointShape lowerRight = GisEditor.ActiveMap.ToWorldCoordinate(new PointShape(right, bottom));
RectangleShape textWorldArea = new RectangleShape(upperLeft, lowerRight);
return(textWorldArea.Intersects(new PointShape(e.InteractionArguments.WorldX, e.InteractionArguments.WorldY)));
});
}
#region restore feature ids to exclude
foreach (var id in tmpFeatureIdsToExclude)
{
ViewModel.CurrentAnnotationOverlay.TrackShapeLayer.FeatureIdsToExclude.Add(id);
}
#endregion restore feature ids to exclude
ViewModel.CurrentAnnotationOverlay.TrackShapeLayer.Close();
if (foundFeature != default(Feature))
{
var isShiftDown = Keyboard.Modifiers == ModifierKeys.Shift;
if (!isShiftDown)
{
CommitEdit(false);
}
bool isEditing = true;
if (!ViewModel.CurrentAnnotationOverlay.TrackShapeLayer.FeatureIdsToExclude.Contains(foundFeature.Id))
{
ViewModel.CurrentAnnotationOverlay.TrackShapeLayer.FeatureIdsToExclude.Add(foundFeature.Id);
}
else
{
isEditing = false;
if (isShiftDown)
{
ViewModel.CurrentAnnotationOverlay.TrackShapeLayer.FeatureIdsToExclude.Remove(foundFeature.Id);
if (ViewModel.CurrentEditOverlay.EditShapesLayer.InternalFeatures.Contains(foundFeature.Id))
{
ViewModel.CurrentEditOverlay.EditShapesLayer.InternalFeatures.Remove(foundFeature.Id);
}
}
}
if (isEditing)
{
SetAnnotationToEditMode(foundFeature);
}
ViewModel.CurrentEditOverlay.CalculateAllControlPoints();
ViewModel.CurrentAnnotationOverlay.Refresh();
ViewModel.CurrentEditOverlay.Refresh();
ViewModel.SyncUIState();
ViewModel.TakeSnapshot();
}
else
{
if (ViewModel.CurrentEditOverlay.EditShapesLayer.InternalFeatures.Count > 0 ||
(MarkerHelper.CurrentMarkerOverlay != null && MarkerHelper.CurrentMarkerOverlay.Markers.Count > 0))
{
System.Windows.Application.Current.Dispatcher.BeginInvoke(new Action(() => CommitEdit()));
}
}
}
}