/// <inheritdoc />
/// <summary>
/// Нарисовать фигуру
/// </summary>
/// <param name="figure">Рисуемая фигура</param>
/// <param name="canvas">Канва</param>
public override void DrawFigure(BaseFigure figure, Graphics canvas)
{
FillableFigure ellipse;
IReadOnlyList <PointF> points;
if (!CircleDrawer.GetFillableFigure(figure,
out ellipse,
out points))
{
return;
}
var ellipseRectangle = CircleDrawer.MakeRectangle(
points[0], points[1],
RoundShapeType.Ellipse);
Brush brush = new SolidBrush(ellipse.FillProperty.FillColor);
canvas.FillEllipse(brush, ellipseRectangle);
brush.Dispose();
var pen = new Pen(ellipse.LineProperties.Color,
ellipse.LineProperties.Thickness)
{
DashStyle = ellipse.LineProperties.Style
};
canvas.DrawEllipse(pen, ellipseRectangle);
pen.Dispose();
}
/// <inheritdoc />
/// <summary>
/// Нарисовать маркеры
/// </summary>
/// <param name="figure">Рисуемая фигура</param>
/// <param name="canvas">Канва</param>
public override void DrawSelection(BaseFigure figure, Graphics canvas)
{
FillableFigure ellipse;
IReadOnlyList <PointF> points;
if (!CircleDrawer.GetFillableFigure(figure,
out ellipse,
out points))
{
return;
}
CircleDrawer.DrawSelectionRoundShapes(points, canvas);
var rectangle = CircleDrawer.MakeRectangle(
points[0], points[1],
RoundShapeType.Ellipse);
var pen = new Pen(Color.Black, 1)
{
DashStyle = System.Drawing.Drawing2D.DashStyle.Dash
};
canvas.DrawRectangle(pen, rectangle);
pen.Dispose();
}
/// <summary>
/// Рисовка маркеров фигуры
/// </summary>
/// <param name="figure"></param>
/// <param name="canvas"></param>
public static void DrawSelection(BaseFigure figure, Graphics canvas)
{
if (figure.GetType() == typeof(Line))
{
var lineDrawer = new LineDrawer();
lineDrawer.DrawSelection(figure, canvas);
}
else if (figure.GetType() == typeof(Polyline))
{
var drawer = new PolylineDrawer();
drawer.DrawSelection(figure, canvas);
}
else if (figure.GetType() == typeof(Circle))
{
var circleDrawer = new CircleDrawer();
circleDrawer.DrawSelection(figure, canvas);
}
else if (figure.GetType() == typeof(Ellipse))
{
var ellipseDrawer = new EllipseDrawer();
ellipseDrawer.DrawSelection(figure, canvas);
}
else if (figure.GetType() == typeof(Polygon))
{
var polygonDrawer = new PolygonDrawer();
polygonDrawer.DrawSelection(figure, canvas);
}
}
/// <summary>
/// Рисовка маркеров для линии, полилинии, полигона
/// </summary>
/// <param name="figure">Рисуемая фигура</param>
/// <param name="canvas">Канва</param>
public static void DrawLineSelection(BaseFigure figure, Graphics canvas)
{
var points = figure.Points.GetPoints();
CircleDrawer.DrawSelectionRoundShapes(points, canvas);
}