protected override Path ParsePath(Dictionary <string, string> properties)
{
// Get the attributes of the circle
var cx = DoubleUtils.TryParse(properties.GetOrDefault("cx")) ?? 0;
var cy = DoubleUtils.TryParse(properties.GetOrDefault("cy")) ?? 0;
var r = DoubleUtils.TryParse(properties.GetOrDefault("r")) ?? 0;
// Quit on invalid values
if (r <= 0)
{
return(new Path());
}
var rr = new Double2(r, r);
// Mount the path commands
return(new Path(new[]
{
PathCommand.MoveTo(new Double2(cx + r, cy)),
PathCommand.ArcTo(rr, 0, false, true, new Double2(cx, cy + r)),
PathCommand.ArcTo(rr, 0, false, true, new Double2(cx - r, cy)),
PathCommand.ArcTo(rr, 0, false, true, new Double2(cx, cy - r)),
PathCommand.ArcToClose(rr, 0, false, true)
}));
}
// Override the parse
protected override void Parse(Dictionary<string, string> properties)
{
// Parse the common properties
base.Parse(properties);
// Parse the path data
Path = new Path(properties.GetOrDefault("d", ""));
// And the path length
PathLength = DoubleUtils.TryParse(properties.GetOrDefault("pathLength")) ?? double.NaN;
}
protected override Path ParsePath(Dictionary <string, string> properties)
{
// Get the attributes of the line
var x1 = DoubleUtils.TryParse(properties.GetOrDefault("x1")) ?? 0;
var y1 = DoubleUtils.TryParse(properties.GetOrDefault("y1")) ?? 0;
var x2 = DoubleUtils.TryParse(properties.GetOrDefault("x2")) ?? 0;
var y2 = DoubleUtils.TryParse(properties.GetOrDefault("y2")) ?? 0;
// And finally return
return(new Path(new[]
{
PathCommand.MoveTo(new Double2(x1, y1)),
PathCommand.LineTo(new Double2(x2, y2))
}));
}
protected override Path ParsePath(Dictionary <string, string> properties)
{
// Get the attributes of the ellipse
var cx = DoubleUtils.TryParse(properties.GetOrDefault("cx")) ?? 0;
var cy = DoubleUtils.TryParse(properties.GetOrDefault("cy")) ?? 0;
var radii = new Double2();
radii.X = DoubleUtils.TryParse(properties.GetOrDefault("rx")) ?? double.NaN;
radii.Y = DoubleUtils.TryParse(properties.GetOrDefault("ry")) ?? double.NaN;
// Check both radii
if (double.IsNaN(radii.X) && double.IsNaN(radii.Y))
{
radii.X = radii.Y = 0;
}
else if (double.IsNaN(radii.X))
{
radii.X = radii.Y;
}
else if (double.IsNaN(radii.Y))
{
radii.Y = radii.X;
}
// Take out the sign and clamp them
radii.X = Math.Abs(radii.X);
radii.Y = Math.Abs(radii.Y);
// Quit on invalid values
if (radii.X <= 0 || radii.Y <= 0)
{
return(new Path());
}
// Mount the path commands
return(new Path(new[]
{
PathCommand.MoveTo(new Double2(cx + radii.X, cy)),
PathCommand.ArcTo(radii, 0, false, true, new Double2(cx, cy + radii.Y)),
PathCommand.ArcTo(radii, 0, false, true, new Double2(cx - radii.X, cy)),
PathCommand.ArcTo(radii, 0, false, true, new Double2(cx, cy - radii.Y)),
PathCommand.ArcToClose(radii, 0, false, true)
}));
}
public PathStyle(Dictionary <string, string> properties, PathStyle?parent)
{
// Fill in the default values according to the default values on https://svgwg.org/svg-next/painting.htm
// Special handling for paint servers (which now only accept colors)
FillColor = CSSColor.Parse(properties.GetOrDefault("fill")) ?? (parent.HasValue ? parent.Value.FillColor : Color.Black);
StrokeColor = CSSColor.Parse(properties.GetOrDefault("stroke")) ?? parent?.StrokeColor;
FillRule = CSSEnumPicker <FillRule> .Get(properties.GetOrDefault("fill-rule")) ?? parent?.FillRule ?? FillRule.Nonzero;
StrokeWidth = DoubleUtils.TryParse(properties.GetOrDefault("stroke-width")) ?? parent?.StrokeWidth ?? 1;
StrokeLineCap = CSSEnumPicker <StrokeLineCap> .Get(properties.GetOrDefault("stroke-linecap")) ??
parent?.StrokeLineCap ?? StrokeLineCap.Butt;
StrokeLineJoin = CSSEnumPicker <StrokeLineJoin> .Get(properties.GetOrDefault("stroke-linejoin")) ??
parent?.StrokeLineJoin ?? StrokeLineJoin.Miter;
MiterLimit = DoubleUtils.TryParse(properties.GetOrDefault("stroke-miterlimit")) ?? parent?.StrokeWidth ?? 4;
}
protected override Path ParsePath(Dictionary <string, string> properties)
{
// Get the attributes of the rectangle
var x = DoubleUtils.TryParse(properties.GetOrDefault("x")) ?? 0;
var y = DoubleUtils.TryParse(properties.GetOrDefault("y")) ?? 0;
var width = DoubleUtils.TryParse(properties.GetOrDefault("width")) ?? 0;
var height = DoubleUtils.TryParse(properties.GetOrDefault("height")) ?? 0;
var radii = new Double2();
radii.X = DoubleUtils.TryParse(properties.GetOrDefault("rx")) ?? double.NaN;
radii.Y = DoubleUtils.TryParse(properties.GetOrDefault("ry")) ?? double.NaN;
// Quit on invalid values
if (width <= 0 || height <= 0)
{
return(new Path());
}
// Check both radii
if (double.IsNaN(radii.X) && double.IsNaN(radii.Y))
{
radii.X = radii.Y = 0;
}
else if (double.IsNaN(radii.X))
{
radii.X = radii.Y;
}
else if (double.IsNaN(radii.Y))
{
radii.Y = radii.X;
}
// Take out the sign and clamp them
radii.X = Math.Abs(radii.X);
radii.Y = Math.Abs(radii.Y);
if (radii.X > width / 2)
{
radii.X = width / 2;
}
if (radii.Y > height / 2)
{
radii.Y = height / 2;
}
// Now mount the path commands
PathCommand[] pathCommands;
if (radii.X == 0 || radii.Y == 0)
{
pathCommands = new[]
{
PathCommand.MoveTo(new Double2(x, y)),
PathCommand.LineTo(new Double2(x + width, y)),
PathCommand.LineTo(new Double2(x + width, y + height)),
PathCommand.LineTo(new Double2(x, y + height)),
PathCommand.ClosePath()
}
}
;
else
{
pathCommands = new[]
{
PathCommand.MoveTo(new Double2(x + radii.X, y)),
PathCommand.LineTo(new Double2(x + width - radii.X, y)),
PathCommand.ArcTo(radii, 0, false, true, new Double2(x + width, y + radii.Y)),
PathCommand.LineTo(new Double2(x + width, y + height - radii.Y)),
PathCommand.ArcTo(radii, 0, false, true, new Double2(x + width - radii.X, y + height)),
PathCommand.LineTo(new Double2(x + radii.X, y + height)),
PathCommand.ArcTo(radii, 0, false, true, new Double2(x, y + height - radii.Y)),
PathCommand.LineTo(new Double2(x, y + radii.Y)),
PathCommand.ArcToClose(radii, 0, false, true)
}
};
// And finally return
return(new Path(pathCommands));
}
}
