//protected internal override void INTERNAL_OnAttachedToVisualTree()
//{
// ScheduleRedraw();
//}
override internal protected void Redraw()
{
if (INTERNAL_VisualTreeManager.IsElementInVisualTree(this))
{
double xOffsetToApplyBeforeMultiplication;
double yOffsetToApplyBeforeMultiplication;
double xOffsetToApplyAfterMultiplication;
double yOffsetToApplyAfterMultiplication;
double sizeX;
double sizeY;
double horizontalMultiplicator;
double verticalMultiplicator;
Size shapeActualSize;
Shape.GetShapeInfos(this, out xOffsetToApplyBeforeMultiplication, out yOffsetToApplyBeforeMultiplication, out xOffsetToApplyAfterMultiplication, out yOffsetToApplyAfterMultiplication, out sizeX, out sizeY, out horizontalMultiplicator, out verticalMultiplicator, out shapeActualSize);
ApplyMarginToFixNegativeCoordinates(new Point());
if (Stretch == Media.Stretch.None)
{
ApplyMarginToFixNegativeCoordinates(_marginOffsets);
}
//todo: size might not perfectly match that of she designer. (so it might be very different from it in big ellipses?)
INTERNAL_ShapesDrawHelpers.PrepareEllipse(_canvasDomElement, sizeX, sizeY, sizeX / 2 + xOffsetToApplyBeforeMultiplication + xOffsetToApplyAfterMultiplication, sizeY / 2 + yOffsetToApplyBeforeMultiplication + yOffsetToApplyAfterMultiplication);
//todo: make sure the parameters below are correct.
Shape.DrawFillAndStroke(this, "evenodd", xOffsetToApplyAfterMultiplication, yOffsetToApplyAfterMultiplication, xOffsetToApplyAfterMultiplication + sizeX, yOffsetToApplyAfterMultiplication + sizeY, horizontalMultiplicator, verticalMultiplicator, xOffsetToApplyBeforeMultiplication, yOffsetToApplyBeforeMultiplication, shapeActualSize);
//dynamic context = INTERNAL_HtmlDomManager.Get2dCanvasContext(_canvasDomElement);
//if (fillValue != null || (fillValue is string && !string.IsNullOrWhiteSpace((string)fillValue)))
//{
// context.fill("evenodd"); //note: remember: always fill before stroke, otherwise the filling will hide the stroke.
//}
//if (StrokeThickness > 0 && Stroke != null)
//{
// context.stroke();
//}
}
}
internal protected 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;
// 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 || path.Stroke is SolidColorBrush)
{
// 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.
if (path.Stroke != null)
{
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;
}
