private GeoImage GetGeoImage(NorthArrowMapTool northArrowMapTool)
{
if (northArrowMapTool.ImagePath.StartsWith("pack:"))
{
return(GetGeoImage((northArrowMapTool.Content as Image).Source as BitmapImage));
}
else if (File.Exists(northArrowMapTool.ImagePath))
{
var imgStream = new MemoryStream(File.ReadAllBytes(northArrowMapTool.ImagePath));
imgStream.Seek(0, SeekOrigin.Begin);
return(new GeoImage(imgStream));
}
else
{
var image = northArrowMapTool.Content as Image;
BitmapImage bitmapImage = null;
if (image != null && (bitmapImage = image.Source as BitmapImage) != null)
{
return(GetGeoImage(bitmapImage));
}
else
{
return(new GeoImage(new MemoryStream()));
}
}
}
private void Apply()
{
NorthArrowMapTool northArrowMapTool = GisEditor.ActiveMap.MapTools.OfType <NorthArrowMapTool>().FirstOrDefault();
if (northArrowMapTool == null)
{
northArrowMapTool = new NorthArrowMapTool();
GisEditor.ActiveMap.MapTools.Add(northArrowMapTool);
}
SetPropertiesForNorthArrowMapTool(northArrowMapTool);
}
public NorthArrowViewModel()
{
ArrowLocation = AdornmentLocation.LowerRight;
ArrowSize = LogoSizeMode.Auto;
images = new ObservableCollection <string>();
for (int i = 0; i < 16; i++)
{
images.Add(string.Format(gridImagePath, i));
}
SelectedImage = Images[0];
NorthArrowMapTool northMapTool = GisEditor.ActiveMap.MapTools.OfType <NorthArrowMapTool>().FirstOrDefault();
if (northMapTool != null)
{
SetProperties(northMapTool);
}
}
public void SetPropertiesForNorthArrowMapTool(NorthArrowMapTool northArrowMapTool)
{
int width = ArrowSize == LogoSizeMode.Auto ? 0 : (int)ArrowWidth;
int height = ArrowSize == LogoSizeMode.Auto ? 0 : (int)ArrowHeight;
northArrowMapTool.Content = new Image()
{
Source = ImageHelper.GetImageSource(ActualImagePath, width, height)
};
northArrowMapTool.ImagePath = ActualImagePath;
if (PreviewImage != null)
{
double originalWidth = ((Image)northArrowMapTool.Content).Source.Width;
double originalHeight = ((Image)northArrowMapTool.Content).Source.Height;
northArrowMapTool.Width = ArrowSize == LogoSizeMode.Auto ? originalWidth : ArrowWidth;
northArrowMapTool.Height = ArrowSize == LogoSizeMode.Auto ? originalHeight : ArrowHeight;
}
northArrowMapTool.HorizontalAlignment = GetHorizontalAlignment(ArrowLocation);
northArrowMapTool.VerticalAlignment = GetVerticalAlignment(ArrowLocation);
northArrowMapTool.Margin = new Thickness(ArrowLeft, ArrowTop, -ArrowLeft, -ArrowTop);
}
private void SetProperties(NorthArrowMapTool maptool)
{
Image image = maptool.Content as Image;
if (image != null)
{
if (image.Source == null)
{
ArrowSize = LogoSizeMode.Auto;
}
else
{
//make the SelectedItem of ListBox unselected
SelectedImage = null;
if (!string.IsNullOrEmpty(maptool.ImagePath) && Regex.IsMatch(maptool.ImagePath, pattern))
{
Match match = Regex.Match(maptool.ImagePath, pattern);
SelectedImage = string.Format(CultureInfo.InvariantCulture, gridImagePath, Convert.ToInt32(match.Value));
}
else
{
SelectedImage = maptool.ImagePath;
}
ArrowSize = (maptool.Width == image.Source.Width && maptool.Height == image.Source.Height) ? LogoSizeMode.Auto : LogoSizeMode.FixedSize;
}
if (ArrowSize == LogoSizeMode.FixedSize)
{
ArrowWidth = maptool.Width;
ArrowHeight = maptool.Height;
}
}
ArrowLocation = GetAdornmentLocation(maptool.HorizontalAlignment, maptool.VerticalAlignment);
ArrowLeft = maptool.Margin.Left;
ArrowTop = maptool.Margin.Top;
}
public ImagePrinterLayerAdapter(NorthArrowMapTool northArrowMapTool)
{
this.northArrowMapTool = northArrowMapTool;
}