public void Stroke_LineCapTest()
{
StrokeStyle target = new StrokeStyle();
//Default
LineCaps expected = PDFStyleConst.DefaultLineCaps;
Assert.AreEqual(expected, target.LineCap);
//Set value
expected = LineCaps.Projecting;
LineCaps actual;
target.LineCap = expected;
actual = target.LineCap;
Assert.AreEqual(expected, actual);
// Change Value
expected = LineCaps.Round;
target.LineCap = expected;
actual = target.LineCap;
Assert.AreEqual(expected, actual);
//Remove value
expected = PDFStyleConst.DefaultLineCaps;
target.RemoveLineCap();
actual = target.LineCap;
Assert.AreEqual(expected, actual);
}
public static bool TryParseLineCap(string val, out LineCaps cap)
{
bool result;
switch (val)
{
case ("butt"):
cap = LineCaps.Butt;
result = true;
break;
case ("round"):
cap = LineCaps.Round;
result = true;
break;
case ("square"):
cap = LineCaps.Square;
result = true;
break;
default:
cap = LineCaps.Butt;
result = false;
break;
}
return(result);
}
public void LineCaps_Test()
{
PDFPen target = PDFPen.Create(PDFColors.Aqua, 1);
LineCaps expected = LineCaps.Butt;
LineCaps actual = target.LineCaps;
Assert.AreEqual(expected, actual);
target.LineCaps = LineCaps.Projecting;
actual = target.LineCaps;
Assert.AreEqual(actual, LineCaps.Projecting);
}
protected bool DoConvertLineCap(StyleBase style, object value, out LineCaps cap)
{
if (null == value)
{
cap = LineCaps.Butt;
return(false);
}
else if (value is LineCaps c)
{
cap = c;
return(true);
}
else if (TryParseLineCap(value.ToString(), out cap))
{
return(true);
}
else
{
return(false);
}
}
public void RenderLineCap(LineCaps linecap)
{
PDFNumber cap = (PDFNumber)(int)linecap;
Writer.WriteOpCodeS(PDFOpCode.GraphLineCap, cap);
}
/// <summary>
/// Creates a wireframe from a collection of <see cref="Element3D"/>s.
/// </summary>
/// <param name="object3D">The collection of <see cref="Element3D"/>s. <see cref="Line3DElement"/>s and <see cref="Point3DElement"/>s are ignored.</param>
/// <param name="colour">The colour of the <see cref="Line3DElement"/>s returned by this method.</param>
/// <param name="thickness">The thickness of the <see cref="Line3DElement"/>s returned by this method.</param>
/// <param name="lineCap">The line cap of the <see cref="Line3DElement"/>s returned by this method.</param>
/// <param name="lineDash">The line dash of the <see cref="Line3DElement"/>s returned by this method.</param>
/// <param name="tag">A tag that will be applied to the <see cref="Line3DElement"/>s returned by this method.</param>
/// <param name="zIndex">A z-index that will be applied to the <see cref="Line3DElement"/>s returned by this method.</param>
/// <returns>A list of <see cref="Line3DElement"/>s that constitute the wireframe.</returns>
public static List <Element3D> CreateWireframe(IEnumerable <Element3D> object3D, Colour colour, double thickness = 1, LineCaps lineCap = LineCaps.Butt, LineDash?lineDash = null, string tag = null, int zIndex = 0)
{
List <Element3D> tbr = new List <Element3D>();
List <Point3D[]> addedLines = new List <Point3D[]>();
void addLine(Point3D p1, Point3D p2)
{
for (int i = 0; i < addedLines.Count; i++)
{
if ((addedLines[i][0].Equals(p1, 1e-4) && addedLines[i][1].Equals(p2, 1e-4)) || (addedLines[i][0].Equals(p2, 1e-4) && addedLines[i][1].Equals(p1, 1e-4)))
{
return;
}
}
tbr.Add(new Line3DElement(p1, p2)
{
Colour = colour, Thickness = thickness, LineCap = lineCap, LineDash = lineDash ?? LineDash.SolidLine, Tag = tag, ZIndex = zIndex
});
addedLines.Add(new Point3D[] { p1, p2 });
}
foreach (Element3D element in object3D)
{
if (element is Triangle3DElement triangle)
{
addLine(triangle.Point1, triangle.Point2);
addLine(triangle.Point2, triangle.Point3);
addLine(triangle.Point3, triangle.Point1);
}
}
return(tbr);
}
