/// <summary>
/// Initializes a new instance of the <see cref="State"/> class.
/// </summary>
/// <param name="graphics">The graphics.</param>
public State([NotNull] DirectXGraphics graphics)
{
Debug.Assert(graphics != null, "graphics != null");
FillStyle = graphics.FillStyle;
LineStyle = graphics.LineStyle;
LineWidth = graphics._lineWidth;
ResourceManager = graphics._resourceManager;
Transform = graphics.Transform;
}
/// <summary>
/// Draws a cubic bezier curve to the end of the line.
/// </summary>
/// <param name="from">The start point of the curve.</param>
/// <param name="controlA">The first control point of the curve.</param>
/// <param name="controlB">The second control point of the curve.</param>
/// <param name="to">The end point of the curve.</param>
/// <returns>This <see cref="IGraphicsPath" />.</returns>
public void DrawCubicBezier(Vector2 @from, Vector2 controlA, Vector2 controlB, Vector2 to)
{
using (GraphicsPath path = new GraphicsPath(DirectXResourceManager.CreatePathGeometry()))
{
path.Start(from)
.AddCubicBezier(controlA, controlB, to)
.End(false);
_renderTarget.DrawGeometry(path.PathGeometry, LineBrush, _lineWidth, _strokeStyle);
}
}
/// <summary>
/// Draws a set of lines joining the array of points given.
/// </summary>
/// <param name="points">The points to draw lines between.</param>
public void DrawLines(Vector2[] points)
{
using (GraphicsPath path = new GraphicsPath(DirectXResourceManager.CreatePathGeometry()))
{
path.Start(points[0])
.AddLines(new ArraySegment <Vector2>(points, 1, points.Length - 1))
.End(false);
_renderTarget.DrawGeometry(path.PathGeometry, LineBrush, _lineWidth, _strokeStyle);
}
}
/// <summary>
/// Draws an arc of an elipse.
/// </summary>
/// <param name="from">The start point of the arc.</param>
/// <param name="to">The end point of the arc.</param>
/// <param name="radius">The radius of the arc.</param>
/// <param name="angle">The angle of the arc, in radians.</param>
/// <param name="clockwise">If set to <see langword="true" /> the arc will be drawn clockwise.</param>
/// <param name="isLarge">Specifies whether the given arc is larger than 180 degrees</param>
public void DrawArc(Vector2 @from, Vector2 to, Vector2 radius, float angle, bool clockwise, bool isLarge)
{
using (GraphicsPath path = new GraphicsPath(DirectXResourceManager.CreatePathGeometry()))
{
path.Start(from)
.AddArc(to, radius, angle, clockwise, isLarge)
.End(false);
_renderTarget.DrawGeometry(path.PathGeometry, LineBrush, _lineWidth, _strokeStyle);
}
}
/// <summary> /// Creates an <see cref="IGraphicsPath" /> that can be used to draw a path with this graphics object. /// </summary> /// <returns></returns> public IGraphicsPath CreatePath() => new GraphicsPath(DirectXResourceManager.CreatePathGeometry());
