public PathIcon()
{
_path = new Shapes.Path();
_path.Fill = Foreground;
_path.Stretch = Stretch.None;
AddIconElementView(_path);
}
/// <summary>
/// Applies FillStyle, StrokeStyle + Adds the figures to the canvas' context, then calls the Fill method.
/// </summary>
internal protected override void DefineInCanvas(Shapes.Path path, object canvasDomElement, double horizontalMultiplicator, double verticalMultiplicator, double xOffsetToApplyBeforeMultiplication, double yOffsetToApplyBeforeMultiplication, double xOffsetToApplyAfterMultiplication, double yOffsetToApplyAfterMultiplication, Size shapeActualSize)
{
//we define the Fillstyle and StrokeStyle:
//StrokeStyle:
if (shapeActualSize.Width > 0 && shapeActualSize.Height > 0)
{
//this will change the context in the canvas to draw itself.
foreach (PathFigure figure in Figures)
{
//Add the figure to the canvas:
figure.DefineInCanvas(xOffsetToApplyBeforeMultiplication, yOffsetToApplyBeforeMultiplication, xOffsetToApplyAfterMultiplication, yOffsetToApplyAfterMultiplication, horizontalMultiplicator, verticalMultiplicator, canvasDomElement, _strokeThickness, shapeActualSize);
}
}
}
internal protected override void DefineInCanvas(Shapes.Path path,
object canvasDomElement,
double horizontalMultiplicator,
double verticalMultiplicator,
double xOffsetToApplyBeforeMultiplication,
double yOffsetToApplyBeforeMultiplication,
double xOffsetToApplyAfterMultiplication,
double yOffsetToApplyAfterMultiplication,
Size shapeActualSize)
{
dynamic ctx = INTERNAL_HtmlDomManager.Get2dCanvasContext(canvasDomElement);
ctx.ellipse(
Center.X + xOffsetToApplyBeforeMultiplication + xOffsetToApplyAfterMultiplication,
Center.Y + yOffsetToApplyBeforeMultiplication + yOffsetToApplyAfterMultiplication,
RadiusX,
RadiusY,
0,
0,
2 * Math.PI);
}
internal override void DefineInCanvas(Shapes.Path path, object canvasDomElement, double horizontalMultiplicator, double verticalMultiplicator, double xOffsetToApplyBeforeMultiplication, double yOffsetToApplyBeforeMultiplication, double xOffsetToApplyAfterMultiplication, double yOffsetToApplyAfterMultiplication, Size shapeActualSize)
{
string strokeAsString = string.Empty;
if (path.Stroke == null || path.Stroke is SolidColorBrush) //todo: make sure we want the same behaviour when it is null and when it is a SolidColorBrush (basically, check if null means default value)
{
if (path.Stroke != null) //if stroke is null, we want to set it as an empty string, otherwise, it is a SolidColorBrush and we want to get its color.
{
strokeAsString = ((SolidColorBrush)path.Stroke).INTERNAL_ToHtmlString();
}
}
else
{
throw new NotSupportedException("The specified brush is not supported.");
}
dynamic context = INTERNAL_HtmlDomManager.Get2dCanvasContext(canvasDomElement);
double actualWidth = RadiusX * 2; //it's a radius and we want the whole width (basically a "diameter")
double actualHeight = RadiusY * 2; //it's a radius and we want the whole height
INTERNAL_ShapesDrawHelpers.PrepareEllipse(canvasDomElement, actualWidth, actualHeight, Center.X + xOffsetToApplyBeforeMultiplication + xOffsetToApplyAfterMultiplication, Center.Y + yOffsetToApplyBeforeMultiplication + yOffsetToApplyAfterMultiplication);
context.strokeStyle = strokeAsString;
}
private string Path(Shapes.Path path)
{
sb.Clear();
var(x, y) = path.Points[0];
sb.Append("M ");
sb.Append(Coord.CoordX(x));
sb.Append(" ");
sb.Append(Coord.CoordY(y));
for (var j = 1; j < path.Points.Count; j++)
{
(x, y) = path.Points[j];
sb.Append(" L ");
sb.Append(Coord.CoordX(x));
sb.Append(" ");
sb.Append(Coord.CoordY(y));
}
return(sb.ToString());
}
