internal static void DrawRectGeometry(this StreamGeometryContext ctx, Int32Rect rect)
{
if (rect.IsEmpty == true)
return;
ctx.BeginFigure(new Point(rect.X, rect.Y), true, true);
ctx.LineTo(new Point(rect.X, rect.Y + rect.Height), false, false);
ctx.LineTo(new Point(rect.X + rect.Width, rect.Y + rect.Height), false, false);
ctx.LineTo(new Point(rect.X + rect.Width, rect.Y), false, false);
}
public static void AddPathFigure(
this D2D.GeometrySink sink, Jupiter.Media.PathFigure pathFigure)
{
sink.BeginFigure(
pathFigure.StartPoint.ToSharpDX(),
pathFigure.IsFilled ? D2D.FigureBegin.Filled : D2D.FigureBegin.Hollow);
foreach (var segment in pathFigure.Segments)
{
sink.AddPathFigureSegment(segment);
}
sink.EndFigure(pathFigure.IsClosed ? D2D.FigureEnd.Closed : D2D.FigureEnd.Open);
}
public static void AddLineGeometry(
this D2D.GeometrySink sink, Jupiter.Media.LineGeometry lineGeometry)
{
sink.BeginFigure(
lineGeometry.StartPoint.ToSharpDX(),
D2D.FigureBegin.Hollow);
sink.AddLine(
lineGeometry.EndPoint.ToSharpDX());
sink.EndFigure(D2D.FigureEnd.Open);
}
public static void AddRectangleGeometry(
this D2D.GeometrySink sink, Jupiter.Media.RectangleGeometry rectangleGeometry)
{
sink.BeginFigure(
new DrawingPointF(
(float)(rectangleGeometry.Rect.Left),
(float)(rectangleGeometry.Rect.Top)),
D2D.FigureBegin.Filled);
sink.AddLines(
new []
{
new DrawingPointF(
(float)(rectangleGeometry.Rect.Right),
(float)(rectangleGeometry.Rect.Top)),
new DrawingPointF(
(float)(rectangleGeometry.Rect.Right),
(float)(rectangleGeometry.Rect.Bottom)),
new DrawingPointF(
(float)(rectangleGeometry.Rect.Left),
(float)(rectangleGeometry.Rect.Bottom)),
});
sink.EndFigure(D2D.FigureEnd.Closed);
}
public static void AddEllipseGeometry(
this D2D.GeometrySink sink, Jupiter.Media.EllipseGeometry ellipseGeometry)
{
// Start the ellipse at 9 o'clock.
sink.BeginFigure(
new DrawingPointF(
(float)(ellipseGeometry.Center.X - ellipseGeometry.RadiusX),
(float)(ellipseGeometry.Center.Y)),
D2D.FigureBegin.Filled);
// Do almost full ellipse in one arc (there is .00001 pixel size missing)
sink.AddArc(
new D2D.ArcSegment
{
Point = new DrawingPointF(
(float)(ellipseGeometry.Center.X - ellipseGeometry.RadiusX),
(float)(ellipseGeometry.Center.Y + 0.00001)),
Size = new DrawingSizeF(
(float)(ellipseGeometry.RadiusX * 2),
(float)(ellipseGeometry.RadiusY * 2)),
RotationAngle = 0,
SweepDirection = D2D.SweepDirection.Clockwise,
ArcSize = D2D.ArcSize.Large
});
// Close the ellipse
sink.EndFigure(D2D.FigureEnd.Closed);
}
public static void AddCircleFigure(this CanvasPathBuilder builder, Vector2 center, float radius)
{
builder.BeginFigure(center + Vector2.UnitX * radius);
builder.AddArc(center, radius, radius, 0, (float)Math.PI * 2);
builder.EndFigure(CanvasFigureLoop.Closed);
}
public static void AddOneLineFigure(this CanvasPathBuilder builder, float x1, float y1, float x2, float y2)
{
builder.BeginFigure(x1, y1);
builder.AddLine(x2, y2);
builder.EndFigure(CanvasFigureLoop.Open);
}
/// <summary>
/// Adds a polygon to a <see cref="StreamGeometryContext"/>.
/// </summary>
/// <param name="streamGeometryContext">The <see cref="StreamGeometryContext"/>.</param>
/// <param name="points">The points on the polygon.</param>
/// <exception cref="ArgumentNullException">
/// <paramref name="streamGeometryContext"/> is <see langword="null"/>.
/// </exception>
public static void AddPolygon(this StreamGeometryContext streamGeometryContext, params Point[] points)
{
if (streamGeometryContext == null)
throw new ArgumentNullException(nameof(streamGeometryContext));
if (points == null || points.Length <= 1)
return;
streamGeometryContext.BeginFigure(points[0], true, true);
for (int i = 1; i < points.Length; i++)
{
streamGeometryContext.LineTo(points[i], true, false);
}
}
/// <summary>
/// Adds a line to a <see cref="StreamGeometryContext"/>.
/// </summary>
/// <param name="streamGeometryContext">The <see cref="StreamGeometryContext"/>.</param>
/// <param name="start">The start point of the line.</param>
/// <param name="end">The end point of the line.</param>
/// <exception cref="ArgumentNullException">
/// <paramref name="streamGeometryContext"/> is <see langword="null"/>.
/// </exception>
public static void AddLine(this StreamGeometryContext streamGeometryContext, Point start, Point end)
{
if (streamGeometryContext == null)
throw new ArgumentNullException(nameof(streamGeometryContext));
streamGeometryContext.BeginFigure(start, false, false);
streamGeometryContext.LineTo(end, true, false);
}