void ToCanvasKoord(MyLine el)
{
el.line.X1 = xToCanv(el.firstPoint.X);
el.line.Y1 = yToCanv(el.firstPoint.Y);
el.line.X2 = xToCanv(el.endPoint.X);
el.line.Y2 = yToCanv(el.endPoint.Y);
el.AdjustEllipses();
}
private void canvas_MouseMove(object sender, MouseEventArgs e)
{
var curP = e.GetPosition((IInputElement)sender);
var x = xFromCanv(curP.X);
var y = yFromCanv(curP.Y);
if (addLineStep == AddLine.Second)
{
var line = lineToAdd.line;
lineToAdd.endPoint.X = x;
lineToAdd.endPoint.Y = y;
line.X2 = curP.X;
line.Y2 = curP.Y;
var ec = lineToAdd.eEnd;
ec.StrokeThickness = 1;
ec.Stroke = Brushes.Black;
ec.Width = prad;
ec.Height = prad;
ec.Fill = Brushes.Yellow;
lineToAdd.AdjustEllipses();
}
else if (addLineStep == AddLine.Null)
{
if (e.MouseDevice.LeftButton == MouseButtonState.Pressed)
{
if (selected != null)
{
var x1 = selected.firstPoint.X;
var y1 = selected.firstPoint.Y;
var x2 = selected.endPoint.X;
var y2 = selected.endPoint.Y;
var v = (x - x2) / Math.Abs(y1 - y2);
if (Math.Abs(v) > 0 && Math.Abs(v) < 1)
{
DoLorenc(-v);
}
}
}
}
}
void HandleAdd(Point cur)
{
addLineStep = AddLine.Second;
lineToAdd = new MyLine();
var line = lineToAdd.line;
lineToAdd.endPoint.X = lineToAdd.firstPoint.X = xFromCanv(cur.X);
lineToAdd.endPoint.Y = lineToAdd.firstPoint.Y = yFromCanv(cur.Y);
line = lineToAdd.line;
line.Stroke = SystemColors.WindowFrameBrush;
line.X1 = cur.X;
line.Y1 = cur.Y;
line.X2 = line.X1;
line.Y2 = line.Y2;
var ec = lineToAdd.eStart;
ec.StrokeThickness = 1;
ec.Fill = Brushes.Yellow;
ec.Stroke = Brushes.Black;
ec.Width = prad;
ec.Height = prad;
lineToAdd.AdjustEllipses();
paintPanel.Children.Add(ec);
paintPanel.Children.Add(lineToAdd.eEnd);
//wrapLine(line);
paintPanel.Children.Add(line);
}
