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SvgLine.cs
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115 lines (91 loc) · 3.41 KB
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// Copyright (c) 2018 Aurigma Inc. All rights reserved.
// Licensed under the MIT License. See LICENSE file in the project root for full license information.
//
using System.Collections.Generic;
using System.Drawing;
using System.Globalization;
namespace Aurigma.Svg
{
public class SvgLine : SvgGraphicElement
{
private readonly string _name = "line";
public SvgLine()
{
Stroke = Color.Black;
}
public float X1 { get; set; }
public float Y1 { get; set; }
public float X2 { get; set; }
public float Y2 { get; set; }
public float StrokeWidth { get; set; }
public Color Stroke { get; set; }
public List<float> StrokeDashArray { get; set; }
public float StrokeDashOffset { get; set; }
public override string LocalName
{
get { return _name; }
}
public override string Name
{
get { return _name; }
}
public override IEnumerable<SvgAttribute> GetAttributes()
{
var baseAttributes = base.GetAttributes();
if (baseAttributes != null)
{
foreach (var attr in baseAttributes)
{
yield return attr;
}
}
var ci = CultureInfo.InvariantCulture;
yield return new SvgAttribute("x1", "0",
() => X1.ToString(ci),
v => X1 = SvgAttribute.ParseFloatAttribute(v)
);
yield return new SvgAttribute("y1", "0",
() => Y1.ToString(ci),
v => Y1 = SvgAttribute.ParseFloatAttribute(v)
);
yield return new SvgAttribute("x2", "0",
() => X2.ToString(ci),
v => X2 = SvgAttribute.ParseFloatAttribute(v)
);
yield return new SvgAttribute("y2", "0",
() => Y2.ToString(ci),
v => Y2 = SvgAttribute.ParseFloatAttribute(v)
);
yield return new SvgAttribute("stroke-width",
() => StrokeWidth.ToString(ci),
v => StrokeWidth = SvgAttribute.ParseFloatAttribute(v)
);
yield return new SvgAttribute("stroke",
() => Stroke == Color.Empty ? "none" : ColorTranslator.ToSvg(Stroke),
v => Stroke = SvgAttribute.ParseColorAttribute(v, Stroke.A)
);
yield return new SvgAttribute("stroke-opacity", "1",
() => ((double)Stroke.A / 255).ToString(ci),
v => Stroke = SvgAttribute.ParseOpacityAttribute(v, Stroke)
);
yield return new SvgAttribute("stroke-dashoffset",
() => StrokeDashOffset.ToString(ci),
v => StrokeDashOffset = SvgAttribute.ParseFloatAttribute(v)
);
yield return new SvgAttribute("stroke-dasharray",
() => DashArrayToString(),
v => StrokeDashArray = SvgAttribute.ParseFloatArray(v)
);
}
private string DashArrayToString()
{
string dashArray = null;
if (StrokeDashArray != null && StrokeDashArray.Count > 0)
{
dashArray = string.Join(" ",
StrokeDashArray.ConvertAll(v => v.ToString(CultureInfo.InvariantCulture)).ToArray());
}
return dashArray;
}
}
}