private void MyVisualHost1_OnSelected(Prov obj)
{
var vm = SimpleIoc.Default.GetInstance <MainViewModel>();
vm.SelectedProv = obj;
vm.Root = new List <Prov> {
obj
};
}
public static System.Windows.Shapes.Path DrawPath(Contours cons, Prov prov)
{
var path = new System.Windows.Shapes.Path();
path.Stroke = System.Windows.Media.Brushes.Red;
path.StrokeThickness = 1;
path.Fill = System.Windows.Media.Brushes.Green;
var group = new PathGeometry();
path.Data = group;
int left = 0;
int top = 0;
if (prov != null)
{
left = prov.Rectangle.Left;
top = prov.Rectangle.Top;
}
int i = 0;
foreach (var contour in cons.Items)
{
if (contour.Pts.Length <= 1)
{
continue;
}
//////////////////////////////
//if (contour.Pts.Length <= 2)
// return;
//var subPath = new PathGeometry();
//subPath.Figures.Add(new Polygon());
var polygon = new PathFigure();
polygon.StartPoint = contour.Pts.First().ToPoint(left, top);
polygon.IsClosed = true;
//polygon.IsFilled = true;
var seg = new PolyLineSegment(contour.Pts.Skip(1).Select(v => v.ToPoint(left, top)).ToList(), true);
seg.IsSmoothJoin = true;
//seg.IsStroked = false;
polygon.Segments.Add(seg);
//if (i == 0 || i == 2 || i == 4)
//if(contour.Pts.Length>2 )
group.Figures.Add(polygon);
i++;
}
return(path);
}
public static Geometry GetGeometryByCurve(Contours cons, Prov prov)
{
//var path = new System.Windows.Shapes.Path();
//path.Stroke = System.Windows.Media.Brushes.Red;
//path.StrokeThickness = 1;
//path.Fill = System.Windows.Media.Brushes.Green;
////////////////////////////////////////////////////////
/////////////////////////////////////
// Create a StreamGeometry to use to specify myPath.
StreamGeometry geometry = new StreamGeometry();
geometry.FillRule = FillRule.EvenOdd;
// Open a StreamGeometryContext that can be used to describe this StreamGeometry
// object's contents.
using (StreamGeometryContext ctx = geometry.Open())
{
int left = 0;
int top = 0;
if (prov != null)
{
left = prov.Rectangle.Left;
top = prov.Rectangle.Top;
}
foreach (var contour in cons.Items)
{
if (contour.Pts.Length <= 1)
{
continue;
}
//var first = beizerSegments.First().StartPoint;
var firstPt = contour.Pts.First().ToPoint(left, top, 3);
//////////////////////////////
// Begin the triangle at the point specified. Notice that the shape is set to
// be closed so only two lines need to be specified below to make the triangle.
ctx.BeginFigure(firstPt, true /* is filled */, true /* is closed */);
// Draw a line to the next specified point.
//ctx.LineTo(new Point(100, 100), true /* is stroked */, false /* is smooth join */);
//ctx.PolyLineTo(contour.Pts.Skip(1).Select(v => v.ToPoint(left, top, 2)).ToList(), true, false);
var pts1 = contour.Pts.Select(v => v.ToPoint(left, top, 3)).ToList();
var beizerSegments = InterpolationUtils.InterpolatePointWithBeizerCurves(pts1, true);
if (beizerSegments != null)
{
var points =
beizerSegments.SelectMany(
v =>
new List <System.Windows.Point>
{
v.FirstControlPoint,
v.SecondControlPoint,
v.EndPoint
})
.ToList();
ctx.PolyBezierTo(points, true, false);
}
}
}
// Freeze the geometry (make it unmodifiable)
// for additional performance benefits.
geometry.Freeze();
//// Specify the shape (triangle) of the Path using the StreamGeometry.
//path.Data = geometry;
return(geometry);
}
public static unsafe ColorRangeDict GetProvinces(string file, bool isdevert = false)
{
ColorRangeDict dict = new ColorRangeDict();
var bmp = (Bitmap)System.Drawing.Bitmap.FromFile(file);
//bmp = bmp.Scale(2);
//var bmp1 = bmp.Scale(2);
//var format = bmp.PixelFormat;
var h = (ushort)bmp.Height;
bmp.Do((p, width, height) =>
{
var ptr = (Int32 *)p.ToPointer();
////////////////////////////////////
for (UInt16 y = 0; y < height; y++)
{
for (UInt16 x = 0; x < width; x++)
{
var val = *ptr;
Prov prov;
if (dict.Dict.TryGetValue(val, out prov))
{
if (!isdevert)
{
prov.Points.Add(new Point2(x, y));
}
else
{
prov.Points.Add(new Point2(x, (ushort)(h - y)));
}
}
else
{
prov = new Prov();
prov.Color = val;
if (!isdevert)
{
prov.Points.Add(new Point2(x, y));
}
else
{
prov.Points.Add(new Point2(x, (ushort)(h - y)));
}
dict.Dict.Add(val, prov);
}
ptr++;
}
}
});
foreach (var value in dict.Dict.Values)
{
value.CalRect();
}
return(dict);
}
