/// <summary>
/// Create shape
/// </summary>
/// <param name="points"></param>
/// <param name="shapeModel"></param>
public override void CreateShape(IList <Point> points, IInputShapeModel shapeModel)
{
CreateCanvas();
var shape = new SKPath();
var origin = points.ElementAtOrDefault(0);
if (origin == default)
{
return;
}
shape.MoveTo((float)origin.X, (float)origin.Y);
for (var i = 1; i < points.Count; i++)
{
shape.LineTo((float)points[i].X, (float)points[i].Y);
}
shape.Close();
var pen = new SKPaint
{
Style = SKPaintStyle.Fill,
Color = shapeModel.Color.ToSKColor()
};
_canvas.DrawPath(shape, pen);
pen.Dispose();
shape.Dispose();
}
/// <summary>
/// Create label
/// </summary>
/// <param name="point"></param>
/// <param name="content"></param>
/// <param name="shapeModel"></param>
public override void CreateLabel(Point point, string content, IInputShapeModel shapeModel)
{
CreateCanvas();
var position = SKTextAlign.Center;
switch (shapeModel.Position)
{
case TextAlignment.Left: position = SKTextAlign.Left; break;
case TextAlignment.Right: position = SKTextAlign.Right; break;
}
var pen = new SKPaint
{
TextAlign = position,
TextSize = (float)shapeModel.Size,
Color = shapeModel.Color.ToSKColor()
};
_canvas.DrawText(
content,
(float)point.X,
(float)point.Y,
pen);
pen.Dispose();
}
/// <summary>
/// Create circle
/// </summary>
/// <param name="point"></param>
/// <param name="shapeModel"></param>
public override void CreateCircle(Point point, IInputShapeModel shapeModel)
{
CreateCanvas();
var pen = new SKPaint
{
Style = SKPaintStyle.Fill,
Color = shapeModel.Color.ToSKColor()
};
_canvas.DrawCircle(
(float)point.X,
(float)point.Y,
(float)shapeModel.Size,
pen);
pen.Dispose();
}
/// <summary>
/// Create line
/// </summary>
/// <param name="pointSource"></param>
/// <param name="pointDestination"></param>
/// <param name="shapeModel"></param>
public override void CreateLine(Point pointSource, Point pointDestination, IInputShapeModel shapeModel)
{
CreateCanvas();
var pen = new SKPaint
{
Style = SKPaintStyle.Stroke,
Color = shapeModel.Color.ToSKColor(),
StrokeWidth = (float)shapeModel.Size
};
_canvas.DrawLine(
(float)pointSource.X,
(float)pointSource.Y,
(float)pointDestination.X,
(float)pointDestination.Y,
pen);
pen.Dispose();
}
/// <summary>
/// Create circle
/// </summary>
/// <param name="point"></param>
/// <param name="shapeModel"></param>
public virtual void CreateCircle(Point point, IInputShapeModel shapeModel)
{
}
/// <summary>
/// Create line
/// </summary>
/// <param name="pointSource"></param>
/// <param name="pointDestination"></param>
/// <param name="shapeModel"></param>
public virtual void CreateLine(Point pointSource, Point pointDestination, IInputShapeModel shapeModel)
{
}
/// <summary>
/// Create label
/// </summary>
/// <param name="point"></param>
/// <param name="content"></param>
/// <param name="shapeModel"></param>
public virtual void CreateLabel(Point point, string content, IInputShapeModel shapeModel)
{
}
/// <summary>
/// Create shape
/// </summary>
/// <param name="points"></param>
/// <param name="shapeModel"></param>
public virtual void CreateShape(IList <Point> points, IInputShapeModel shapeModel)
{
}
