private Geometry Reverse(Geometry RegionToReverse)
{
CombinedGeometry Reversed = new CombinedGeometry(GeometryCombineMode.Exclude, FPageRect, RegionToReverse);
Geometry Result = Reversed.GetFlattenedPathGeometry();
if (Result.CanFreeze)
{
Result.Freeze();
}
return(Result);
}
private void MainWindow_OnLoaded(object sender, RoutedEventArgs e)
{
EllipseGeometry el = new EllipseGeometry(new Point(150, 150), 100, 50);
EllipseGeometry el1 = new EllipseGeometry(new Point(200, 150), 100, 100);
Geometry gl = el;
Geometry gl1 = el1;
CombinedGeometry CombineG = new CombinedGeometry(GeometryCombineMode.Xor, gl, gl1);
var path = new Path();
path.Fill = Brushes.Red;
path.Stroke = Brushes.Green;
path.Data = CombineG.GetFlattenedPathGeometry();
this.gr.Children.Add(path);
}
public static Point[] GetIntersectionPoints(System.Windows.Media.Geometry g1, System.Windows.Media.Geometry g2)
{
System.Windows.Media.Geometry og1 = g1.GetWidenedPathGeometry(new Pen(Brushes.Black, 1.0));
System.Windows.Media.Geometry og2 = g2.GetWidenedPathGeometry(new Pen(Brushes.Black, 1.0));
CombinedGeometry cg = new CombinedGeometry(GeometryCombineMode.Intersect, og1, og2);
PathGeometry pg = cg.GetFlattenedPathGeometry();
Point[] result = new Point[pg.Figures.Count];
for (int i = 0; i < pg.Figures.Count; i++)
{
Rect fig = new PathGeometry(new PathFigure[] { pg.Figures[i] }).Bounds;
result[i] = new Point(fig.Left + fig.Width / 2.0, fig.Top + fig.Height / 2.0);
}
return(result);
}
public static IEnumerable <Point> GetIntersectionPoints(Geometry g1, Geometry g2)
{
Geometry og1 = g1.GetWidenedPathGeometry(new Pen(Brushes.Black, 1.0));
Geometry og2 = g2.GetWidenedPathGeometry(new Pen(Brushes.Black, 1.0));
CombinedGeometry cg = new CombinedGeometry(GeometryCombineMode.Intersect, og1, og2);
PathGeometry pg = cg.GetFlattenedPathGeometry();
foreach (PathFigure figure in pg.Figures)
{
Rect fig = new PathGeometry(new[] { figure }).Bounds;
yield return(new Point(fig.Left + fig.Width / 2.0, fig.Top + fig.Height / 2.0));
}
}
public string Text2Path(String strText, string strCulture, bool LtoR, string strTypeFace, int nSize, Thickness masks)
{
// Set up the Culture
if (strCulture == "")
{
strCulture = "en-us";
}
System.Globalization.CultureInfo ci = new System.Globalization.CultureInfo(strCulture);
// Set up the flow direction
System.Windows.FlowDirection fd;
if (LtoR)
{
fd = FlowDirection.LeftToRight;
}
else
{
fd = FlowDirection.RightToLeft;
}
// Set up the font family from the parameter
FontFamily ff = new FontFamily(strTypeFace);
// Create the new typeface
System.Windows.Media.Typeface tf = new System.Windows.Media.Typeface(ff,
FontStyles.Normal, FontWeights.Normal, FontStretches.Normal);
// Create a formatted text object from the text,
// culture, flowdirection, typeface, size and black
FormattedText t = new FormattedText(strText, ci, fd, tf, nSize,
System.Windows.Media.Brushes.Black);
// Build a Geometry out of this
Geometry g = t.BuildGeometry(new Point(0, 0));
// Get the Path info from the geometry
PathGeometry p = g.GetFlattenedPathGeometry();
var x = nSize - masks.Left - masks.Right;
var y = nSize - masks.Top - masks.Bottom;
var size = new Size(x < 0 ? 0 : x, y < 0 ? 0 : y);
var rectv = new Rect(new Point(masks.Left, masks.Top), size);
RectangleGeometry rg = new RectangleGeometry(rectv);
var cg = new CombinedGeometry(p, rg);
cg.GeometryCombineMode = GeometryCombineMode.Intersect;
p = cg.GetFlattenedPathGeometry();
// Return the path info
return(p.ToString());
}
