/// <summary>
/// Конструктор класса обработчика для эллипса
/// </summary>
/// <param name="canvas">Канва</param>
/// <param name="figureParameters">Параметры</param>
public EllipseHandler(PictureBox canvas, FigureParameters figureParameters)
{
FigureParameters = figureParameters;
Canvas = canvas;
_ellipse = null;
MouseDownDelegate += MouseDown;
MouseUpDelegate += MouseUp;
MouseMoveDelegate += MouseMove;
}
/// <summary>
/// Конструктор класса обработчика для полигона
/// </summary>
/// <param name="canvas">Канва</param>
/// <param name="figureParameters">Параметры фигуры</param>
public PolygonHandler(PictureBox canvas, FigureParameters figureParameters)
{
FigureParameters = figureParameters;
Canvas = canvas;
_polygon = null;
MouseDownDelegate += MouseDown;
MouseUpDelegate += MouseUp;
MouseMoveDelegate += MouseMove;
}
/// <inheritdoc />
/// <summary>
/// Изменения параметров фигуры
/// </summary>
/// <param name="index">Индекс фигуры, у которой менятся параметры</param>
/// <param name="newParameters">Новые параметрвы</param>
public void ChangeFigureParameters(int index, FigureParameters newParameters)
{
var figure = _figures[index];
figure.LineProperties.Color = newParameters.LineColor;
figure.LineProperties.Style = (DashStyle)newParameters.LineStyle;
figure.LineProperties.Thickness = newParameters.LineThickness;
if (figure.GetType() == typeof(Circle) ||
figure.GetType() == typeof(Ellipse) ||
figure.GetType() == typeof(Polygon))
{
var tempFigure = figure as FillableFigure;
if (tempFigure != null)
{
tempFigure.FillProperty.FillColor = newParameters.FillColor;
}
}
HasChanged();
NotifyObservers();
}