private void drawEllipse(MouseEventArgs e, bool isEraser)
{
double R1, R2, l, r, b, t;
l = startPoint.X;
t = startPoint.Y;
r = e.GetPosition(inkPanel).X;
b = e.GetPosition(inkPanel).Y;
R1 = (r - l) / 2.0;
R2 = (t - b) / 2.0;
Geometry.Point center = new Geometry.Point((l + r) / 2.0, (b + t) / 2.0);
Polygon el = new Polygon();
el.Stroke = new SolidColorBrush(Color.FromArgb(parameters.LineColor.a,
parameters.LineColor.r, parameters.LineColor.g,
parameters.LineColor.b));
el.StrokeThickness = parameters.Thickness;
PointCollection myPointCollection = new PointCollection();
/*
* foreach (var item in new Geometry.Ellipse(
* center, R1, R2).Points(parameters))
* {
* myPointCollection.Add(new Point(item.x, item.y));
* }*/
var item = new Geometry.Ellipse(center, R1, R2).Points(parameters);
for (double Angle = 0; Angle <= 2 * Math.PI; Angle = Angle + 0.01)
{
myPointCollection.Add(new Point(0.5 * (l + r) + R1 * Math.Cos(Angle), 0.5 * (b + t) + R2 * Math.Sin(Angle)));
}
el.Points = myPointCollection;
if (checkBoxFill.IsChecked == true)
{
el.Fill = new SolidColorBrush(Color.FromArgb(
parameters.FillColor.a,
parameters.FillColor.r,
parameters.FillColor.g,
parameters.FillColor.b));
}
inkPanel.Children.Add(el);
currentShape = el;
}
private void drawTriangle(MouseEventArgs e)
{
Geometry.Point center = new Geometry.Point(0, 0);
Geometry.Point r = new Geometry.Point(0, 0);
Polygon tr = new Polygon();
tr.Stroke = new SolidColorBrush(Color.FromArgb(parameters.LineColor.a,
parameters.LineColor.r, parameters.LineColor.g,
parameters.LineColor.b));
tr.StrokeThickness = parameters.Thickness;
PointCollection myPointCollection = new PointCollection();
foreach (var item in new Geometry.Triangle(
new Geometry.Point(startPoint.X, startPoint.Y),
new Geometry.Point(e.GetPosition(inkPanel).X, e.GetPosition(inkPanel).Y))
.Points(parameters))
{
myPointCollection.Add(new Point(item.x, item.y));
}
tr.Points = myPointCollection;
if (checkBoxFill.IsChecked == true)
{
tr.Fill = new SolidColorBrush(Color.FromArgb(
parameters.FillColor.a,
parameters.FillColor.r,
parameters.FillColor.g,
parameters.FillColor.b));
}
inkPanel.Children.Add(tr);
currentShape = tr;
}
