/// <summary>
/// Draws a polygon.
/// </summary>
/// <param name="bounds">The bounds.</param>
/// <param name="points">The points.</param>
/// <param name="style">The style.</param>
public void DrawPolygon(Rect bounds, Point[] points, DrawingStyle style)
{
_canvas.ApplyTransform(style.Transform, style.TransformOrigin, bounds);
var pp = points.Select(x => x.ToSKPoint()).ToArray();
SKPath path = new SKPath();
path.AddPoly(pp, true);
path.Offset(bounds.Left.ToFloat(), bounds.Top.ToFloat());
if (style.HasFill)
{
SKPaint paintFill = new SKPaint();
paintFill.ApplyFill(bounds, style);
_canvas.DrawPath(path, paintFill);
}
if (style.HasStroke)
{
SKPaint paintStroke = new SKPaint();
paintStroke.ApplyStroke(bounds, style);
_canvas.DrawPath(path, paintStroke);
}
_canvas.ResetMatrix();
}
/// <summary>
/// Draws the specified geometry.
/// </summary>
/// <param name="bounds">The bounds.</param>
/// <param name="geometry">The geometry.</param>
/// <param name="style">The style.</param>
public void DrawGeometry(Rect bounds, Geometry geometry, DrawingStyle style)
{
_canvas.ApplyTransform(style.Transform, style.TransformOrigin, bounds);
PathGeometry g = geometry as PathGeometry;
if (g == null)
{
g = (geometry as StreamGeometry).GetWidenedPathGeometry(new Pen(Brushes.Chartreuse, 2d));
}
SKPath skPath = g.ToSKPath();
skPath.Offset(bounds.TopLeft.ToSKPoint());
if (style.HasFill)
{
SKPaint paintFill = new SKPaint();
paintFill.ApplyFill(bounds, style);
_canvas.DrawPath(skPath, paintFill);
}
if (style.HasStroke)
{
SKPaint paintStroke = new SKPaint();
paintStroke.ApplyStroke(bounds, style);
_canvas.DrawPath(skPath, paintStroke);
}
_canvas.ResetMatrix();
}
/// <summary>
/// Draws an ellipse.
/// </summary>
/// <param name="bounds">The bounds.</param>
/// <param name="style">The style.</param>
public void DrawEllipse(Rect bounds, DrawingStyle style)
{
_canvas.ApplyTransform(style.Transform, style.TransformOrigin, bounds);
if (style.HasFill)
{
SKPaint paintFill = new SKPaint();
paintFill.ApplyFill(bounds, style);
_canvas.DrawOval(bounds.ToSKRectStroke(style.StrokeThickness), paintFill);
}
if (style.HasStroke)
{
SKPaint paintStroke = new SKPaint();
paintStroke.ApplyStroke(bounds, style);
_canvas.DrawOval(bounds.ToSKRectStroke(style.StrokeThickness), paintStroke);
}
_canvas.ResetMatrix();
}
/// <summary>
/// Draws a rectangle. Rounded rectangle can be specified using the <see cref="DrawingStyle.CornerRadius" /> property.
/// </summary>
/// <param name="bounds">The bounds.</param>
/// <param name="style">The style.</param>
public void DrawRect(Rect bounds, DrawingStyle style)
{
_canvas.ApplyTransform(style.Transform, style.TransformOrigin, bounds);
bool isRounded = style.CornerRadius.TopLeft > 0;
if (style.HasFill)
{
SKPaint paintFill = new SKPaint();
paintFill.ApplyFill(bounds, style);
if (isRounded)
{
_canvas.DrawRoundRect(new SKRoundRect(bounds.ToSKRectStroke(style.StrokeThickness), style.CornerRadius.TopLeft.ToFloat(), style.CornerRadius.TopRight.ToFloat()), paintFill);
}
else
{
_canvas.DrawRect(bounds.ToSKRectStroke(style.StrokeThickness), paintFill);
}
}
if (style.HasStroke)
{
SKPaint paintStroke = new SKPaint();
paintStroke.ApplyStroke(bounds, style);
if (isRounded)
{
_canvas.DrawRoundRect(new SKRoundRect(bounds.ToSKRectStroke(style.StrokeThickness), style.CornerRadius.TopLeft.ToFloat(), style.CornerRadius.TopRight.ToFloat()), paintStroke);
}
else
{
_canvas.DrawRect(bounds.ToSKRectStroke(style.StrokeThickness), paintStroke);
}
}
_canvas.ResetMatrix();
}
