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); } }
private void Btn2_Click(object sender, RoutedEventArgs e) { DrawObject = Btn2Text.ToLower().ToString(); btn1.IsEnabled = true; btn2.IsEnabled = false; 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); } }