private void ScaleLineElementEntity_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "Preview" || (MapPrinterLayer.MapUnit == GeographyUnit.DecimalDegree && !PrinterLayerHelper.CheckDecimalDegreeIsInRange(MapPrinterLayer.MapExtent)))
{
return;
}
if (!MapPrinterLayer.IsOpen)
{
MapPrinterLayer.Open();
}
try
{
ScaleLinePrinterLayer scaleLinePrinterLayer = new ScaleLinePrinterLayer(MapPrinterLayer);
scaleLinePrinterLayer.BackgroundMask = BackgroundStyle as AreaStyle;
scaleLinePrinterLayer.MapUnit = MapPrinterLayer.MapUnit;
scaleLinePrinterLayer.UnitSystem = SelectedUnitSystem;
var boundingBox = MapPrinterLayer.GetBoundingBox();
var pageCenter = boundingBox.GetCenterPoint();
scaleLinePrinterLayer.SetPosition(1.25, .25, -3.25, -2.25, PrintingUnit.Inch);
using (Bitmap bitmap = new Bitmap(220, 60))
{
PlatformGeoCanvas canvas = new PlatformGeoCanvas();
scaleLinePrinterLayer.SafeProcess(() =>
{
var scaleLineBoundingBox = scaleLinePrinterLayer.GetBoundingBox();
canvas.BeginDrawing(bitmap, scaleLineBoundingBox, GeographyUnit.Meter);
scaleLinePrinterLayer.Draw(canvas, new Collection <SimpleCandidate>());
});
//scaleLinePrinterLayer.Open();
//var scaleLineBoundingBox = scaleLinePrinterLayer.GetBoundingBox();
//canvas.BeginDrawing(bitmap, scaleLineBoundingBox, GeographyUnit.Meter);
//scaleLinePrinterLayer.Draw(canvas, new Collection<SimpleCandidate>());
//scaleLinePrinterLayer.Close();
canvas.EndDrawing();
MemoryStream ms = new MemoryStream();
bitmap.Save(ms, ImageFormat.Png);
BitmapImage bitmapImage = new BitmapImage();
bitmapImage.BeginInit();
bitmapImage.StreamSource = ms;
bitmapImage.EndInit();
Preview = bitmapImage;
}
}
catch (Exception ex)
{
GisEditor.LoggerManager.Log(LoggerLevel.Debug, ex.Message, new ExceptionInfo(ex));
}
}
private void AddMapLayer()
{
// Create the MapPrinterLayer and set the position
MapPrinterLayer mapPrinterLayer = new MapPrinterLayer();
mapPrinterLayer.MapUnit = GeographyUnit.Meter;
mapPrinterLayer.MapExtent = new RectangleShape(-20026376.39, 20048966.10, 20026376.39, -20048966.10);
mapPrinterLayer.BackgroundMask = new AreaStyle(new GeoPen(GeoColors.Black, 1));
mapPrinterLayer.Open();
// Set the maps position slightly below the pages center and 8 inches wide and 7 inches tall
RectangleShape pageBoundingbox = GetPageBoundingBox(PrintingUnit.Inch);
mapPrinterLayer.SetPosition(8, 7, pageBoundingbox.GetCenterPoint().X, pageBoundingbox.GetCenterPoint().Y + 1, PrintingUnit.Inch);
// Setup the intial extent and ensure they snap to the default ZoomLevel
ZoomLevelSet zoomLevelSet = new ZoomLevelSet();
mapPrinterLayer.MapExtent = MapUtil.ZoomToScale(zoomLevelSet.ZoomLevel03.Scale, new RectangleShape(-20026376.39, 20048966.10, 20026376.39, -20048966.10), mapPrinterLayer.MapUnit, (float)mapPrinterLayer.GetBoundingBox().Width, (float)mapPrinterLayer.GetBoundingBox().Height);
// This ThinkGeo Cloud test key is exclusively for demonstration purposes and is limited to requesting base map
// tiles only. Do not use it in your own applications, as it may be restricted or disabled without prior notice.
// Please visit https://cloud.thinkgeo.com to create a free key for your own use.
//ThinkGeoCloudRasterMapsLayer worldMapKitLayer = new ThinkGeoCloudRasterMapsLayer("itZGOI8oafZwmtxP-XGiMvfWJPPc-dX35DmESmLlQIU~", "bcaCzPpmOG6le2pUz5EAaEKYI-KSMny_WxEAe7gMNQgGeN9sqL12OA~~");
//worldMapKitLayer.TileCache = null;
//mapPrinterLayer.Layers.Add(worldMapKitLayer);
ShapeFileFeatureLayer backgroundLayer = new ShapeFileFeatureLayer(@"data/Countries02_3857.shp", FileAccess.Read);
backgroundLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
backgroundLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyle.CreateSimpleAreaStyle(GeoColors.White, GeoColors.Black);
mapPrinterLayer.Layers.Add(backgroundLayer);
// Setup the Countries mapping layer
ShapeFileFeatureLayer shapefileFeatureLayer = new ShapeFileFeatureLayer(@"data/Countries02_3857.shp", FileAccess.Read);
shapefileFeatureLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
//Create the class break style for countries less than 70 million
ClassBreakStyle classBreakStyle = new ClassBreakStyle("POP_CNTRY");
// Create the style and class break for countries with greater and 70 million
AreaStyle hatchAreaStyle = new AreaStyle(new GeoSolidBrush(GeoColor.FromArgb(100, GeoColors.Green)));
classBreakStyle.ClassBreaks.Add(new ClassBreak(70000000, hatchAreaStyle));
// Add the class break style to the layer
shapefileFeatureLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(classBreakStyle);
// Add the new country layer to the MapPrinterLayer
mapPrinterLayer.Layers.Add(shapefileFeatureLayer);
// Add the MapPrinterLayer to the PrinterInteractiveOverlay
PrinterInteractiveOverlay printerInteractiveOverlay = (PrinterInteractiveOverlay)Map1.InteractiveOverlays["PrintPreviewOverlay"];
printerInteractiveOverlay.PrinterLayers.Add("MapLayer", mapPrinterLayer);
}
private void btnZoomOut_Click(object sender, RoutedEventArgs e)
{
// Grab the MapPrinterLayer and adjust the extent
PrinterInteractiveOverlay printerOverlay = (PrinterInteractiveOverlay)Map1.InteractiveOverlays["PrintPreviewOverlay"];
MapPrinterLayer mapPrinterLayer = ((MapPrinterLayer)(printerOverlay.PrinterLayers["MapLayer"]));
// Here we snap the current scale to the default zoomLevelSet when we zoom in
ZoomLevelSet zoomLevelSet = new ZoomLevelSet();
double newScale = ZoomLevelSet.GetHigherZoomLevelScale(MapUtil.GetScale(mapPrinterLayer.MapExtent, (float)mapPrinterLayer.GetBoundingBox().Width, mapPrinterLayer.MapUnit), zoomLevelSet);
mapPrinterLayer.MapExtent = MapUtil.ZoomToScale(newScale, mapPrinterLayer.MapExtent, mapPrinterLayer.MapUnit, (float)mapPrinterLayer.GetBoundingBox().Width, (float)mapPrinterLayer.GetBoundingBox().Height);
Map1.Refresh();
}
