private void drawCanvas_MouseMove(object sender, MouseEventArgs e)
{
//Check which shape to draw, and then draw
if (DrawObject == Btn1Text.ToLower().ToString() && e.LeftButton == MouseButtonState.Pressed)
{
p2 = e.GetPosition(drawCanvas);
double minX = Math.Min(p2.X, p1.X);
double minY = Math.Min(p2.Y, p1.Y);
double maxX = Math.Max(p2.X, p1.X);
double maxY = Math.Max(p2.Y, p1.Y);
double height = Math.Abs(maxY - minY);
double width = Math.Abs(maxX - minX);
ellipse.Height = height;
ellipse.Width = width;
double left = p1.X - (width / 2);
double top = p1.Y - (height / 2);
double right = -1 * (p1.X - (width / 2));
double bottom = -1 * (p1.Y - (height / 2));
ellipse.Margin = new Thickness(left, top, right, bottom);
}
else if (DrawObject == Btn2Text.ToLower().ToString() && e.LeftButton == MouseButtonState.Pressed)
{
p2 = e.GetPosition(drawCanvas);
double minX = Math.Min(p2.X, p1.X);
double minY = Math.Min(p2.Y, p1.Y);
double maxX = Math.Max(p2.X, p1.X);
double maxY = Math.Max(p2.Y, p1.Y);
double height = Math.Abs(maxY - minY);
double width = Math.Abs(maxX - minX);
rectangle.Height = height;
rectangle.Width = width;
double left = p1.X - (width / 2);
double top = p1.Y - (height / 2);
double right = -1 * (p1.X - (width / 2));
double bottom = -1 * (p1.Y - (height / 2));
rectangle.Margin = new Thickness(left, top, right, bottom);
}
else if (DrawObject == Btn3Text.ToLower().ToString() && e.LeftButton == MouseButtonState.Pressed)
{
line.X1 = p1.X;
line.Y1 = p1.Y;
line.X2 = e.GetPosition(drawCanvas).X;
line.Y2 = e.GetPosition(drawCanvas).Y;
}
else if (DrawObject == Btn4Text.ToLower().ToString() && e.LeftButton == MouseButtonState.Pressed)
{
p2 = e.GetPosition(drawCanvas);
polyline.Points.Add(p2);
}
}
//Button Control
private void Btn1_Click(object sender, RoutedEventArgs e)
{
DrawObject = Btn1Text.ToLower().ToString();
btn1.IsEnabled = false;
btn2.IsEnabled = true;
btn3.IsEnabled = true;
btn4.IsEnabled = true;
}
private void drawCanvas_MouseDown(object sender, MouseButtonEventArgs e)
{
p1 = e.GetPosition(drawCanvas);
//Checks which shape to draw, creates and sets the shapes values, and adds the to the canvas
if (DrawObject == Btn1Text.ToLower().ToString() && e.LeftButton == MouseButtonState.Pressed)
{
ellipse = new Ellipse
{
Fill = FillColor,
Stroke = StrokeColor,
StrokeThickness = 2
};
drawCanvas.Children.Add(ellipse);
}
else if (DrawObject == Btn2Text.ToLower().ToString() && e.LeftButton == MouseButtonState.Pressed)
{
rectangle = new Rectangle()
{
Fill = FillColor,
Stroke = StrokeColor,
StrokeThickness = 2
};
drawCanvas.Children.Add(rectangle);
}
else if (DrawObject == Btn3Text.ToLower().ToString() && e.LeftButton == MouseButtonState.Pressed)
{
line = new Line()
{
Stroke = StrokeColor,
StrokeThickness = 2
};
drawCanvas.Children.Add(line);
}
else if (DrawObject == Btn4Text.ToLower().ToString() && e.LeftButton == MouseButtonState.Pressed)
{
polyline = new Polyline()
{
Stroke = StrokeColor,
StrokeThickness = 2
};
drawCanvas.Children.Add(polyline);
}
}
