public Viewport(Viewport viewport) : this()
{
_resolution = viewport._resolution;
_width = viewport._width;
_height = viewport._height;
_rotation = viewport._rotation;
RenderResolutionMultiplier = viewport.RenderResolutionMultiplier;
}
public static void Pan(Viewport view, Point currentMap, Point previousMap)
{
Geometries.Point current = view.ScreenToWorld(currentMap.X, currentMap.Y);
Geometries.Point previous = view.ScreenToWorld(previousMap.X, previousMap.Y);
double diffX = previous.X - current.X;
double diffY = previous.Y - current.Y;
view.Center = new Geometries.Point(view.CenterX + diffX, view.CenterY + diffY);
}
public Viewport(Viewport viewport)
{
resolution = viewport.resolution;
centerX = viewport.centerX;
centerY = viewport.centerY;
width = viewport.width;
height = viewport.height;
UpdateExtent();
}
public System.Collections.Generic.IEnumerable<IFeature> GetFeaturesInView(BoundingBox box, double resolution)
{
var features = new Features();
IRaster raster = null;
var view = new Viewport { Resolution = resolution, Center = box.GetCentroid(), Width = (box.Width / resolution), Height = (box.Height / resolution) };
if (TryGetMap(view, ref raster))
{
IFeature feature = features.New();
feature.Styles.Add(new VectorStyle()); // this is not my fault
feature.Geometry = raster;
features.Add(feature);
}
return features;
}
public Viewport(Viewport viewport)
: this()
{
_resolution = viewport._resolution;
_width = viewport._width;
_height = viewport._height;
_rotation = viewport._rotation;
_center.X = viewport._center.X;
_center.Y = viewport._center.Y;
if (viewport.Extent!= null) _extent = new BoundingBox(viewport.Extent);
if (viewport.WindowExtent != null) _windowExtent = new Quad(
viewport.WindowExtent.BottomLeft, viewport.WindowExtent.TopLeft,
viewport.WindowExtent.TopRight, viewport.WindowExtent.BottomRight);
_center.PropertyChanged += (sender, args) => _modified = true;
RenderResolutionMultiplier = viewport.RenderResolutionMultiplier;
}
/// <summary>
/// Initializes a new map
/// </summary>
public Map()
{
BackColor = Color.White;
Layers = new LayerCollection();
Viewport = new Viewport { Center = { X = double.NaN, Y = double.NaN }, Resolution = double.NaN };
}