/// <summary>
/// Makes convex decomposition of the selected polygon if any.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void makeConvexDecompositionButton_Click(object sender, EventArgs e)
{
PolygonEditState polygonState = ShapesScreen.State as PolygonEditState;
if (polygonState != null)
{
List <Polygon> newPolygons = polygonState.MakeConvexDecomposition();
if (newPolygons != null && newPolygons.Count > 0)
{
// remove actual polygon state
RemoveShape(polygonState);
// add new polygons
foreach (Polygon polygon in newPolygons)
{
shapesList.Items.Add(ShapesScreen.AddShape(polygon));
}
// select last added shape
shapesList.SelectedIndex = shapesList.Items.Count - 1;
}
}
ShapesScreen.Invalidate();
}
/// <summary>
/// Creates new shape based on chosen type from checkbox.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void addShapeButton_Click(object sender, EventArgs e)
{
// find chosen shape
foreach (Shape.ShapeType shape in Enum.GetValues(typeof(Shape.ShapeType)))
{
if (selectShapeBox.Text == shape.ToString())
{
// add new shape
ShapeState newItem = ShapesScreen.AddShape(shape);
if (newItem != null)
{
shapesList.Items.Add(newItem);
shapesList.SelectedIndex = shapesList.Items.Count - 1;
}
break;
}
}
}