public void ReferenceValues()
{
Bnd_Box2d box = new Bnd_Box2d();
box.Add(new Pnt2d(1, 2));
box.Add(new Pnt2d(-1, -2));
double xmin = 0, ymin = 0, xmax = 0, ymax = 0;
box.Get(ref xmin, ref ymin, ref xmax, ref ymax);
Assert.AreEqual(-1, xmin);
Assert.AreEqual(1, xmax);
Assert.AreEqual(-2, ymin);
Assert.AreEqual(2, ymax);
}
//--------------------------------------------------------------------------------------------------
MemoryStream _Export(VectorExportLayer[] layers)
{
// Create group
var group = new SvgGroupElement
{
ID = _Template.ToString(),
IsLayer = _Template == VectorExportTemplate.Contours
};
BoundingBox = new Bnd_Box2d();
// Export
foreach (var layer in layers)
{
var subgroup = _ExportLayer(layer);
if (subgroup != null)
{
group.Children.Add(subgroup);
}
}
// Scale
double width = 100;
double height = 100;
if (!BoundingBox.IsVoid())
{
BoundingBox.SetGap(10.0); // 1cm on each side
double xmin = 0, xmax = 0, ymin = 0, ymax = 0;
BoundingBox.Get(ref xmin, ref ymin, ref xmax, ref ymax);
width = xmax - xmin;
height = ymax - ymin;
group.Transforms.Add(new SvgTranslateTransform(-xmin, -ymax));
}
// Create Document
var doc = new SvgDocument {
DotsPerInch = DotsPerInch,
Width = width,
Height = height
};
doc.Children.Add(group);
return(doc.WriteToStream());
}