public IEnumerable <MapObject> Create(IDGenerator generator, Box box, ITexture texture, int roundDecimals)
{
var width = box.Width;
var length = Math.Max(1, Math.Abs((int)box.Length));
var height = box.Height;
var flatten = (float)_flattenFactor.Value;
var text = _text.GetValue();
var family = _fontChooser.GetFontFamily();
var style = Enum.GetValues(typeof(FontStyle)).OfType <FontStyle>().FirstOrDefault(fs => family.IsStyleAvailable(fs));
if (!family.IsStyleAvailable(style))
{
family = FontFamily.GenericSansSerif;
}
var set = new PolygonSet();
var sizes = new List <RectangleF>();
using (var bmp = new Bitmap(1, 1))
{
using (var g = System.Drawing.Graphics.FromImage(bmp))
{
using (var font = new Font(family, length, style, GraphicsUnit.Pixel))
{
for (var i = 0; i < text.Length; i += 32)
{
using (var sf = new StringFormat(StringFormat.GenericTypographic))
{
var rem = Math.Min(text.Length, i + 32) - i;
var range = Enumerable.Range(0, rem).Select(x => new CharacterRange(x, 1)).ToArray();
sf.SetMeasurableCharacterRanges(range);
var reg = g.MeasureCharacterRanges(text.Substring(i, rem), font, new RectangleF(0, 0, float.MaxValue, float.MaxValue), sf);
sizes.AddRange(reg.Select(x => x.GetBounds(g)));
}
}
}
}
}
var xOffset = box.Start.DX;
var yOffset = box.End.DY;
for (var ci = 0; ci < text.Length; ci++)
{
var c = text[ci];
var size = sizes[ci];
var gp = new GraphicsPath();
gp.AddString(c.ToString(CultureInfo.InvariantCulture), family, (int)style, length, new PointF(0, 0), StringFormat.GenericTypographic);
gp.Flatten(new System.Drawing.Drawing2D.Matrix(), flatten);
var polygons = new List <Polygon>();
var poly = new List <PolygonPoint>();
for (var i = 0; i < gp.PointCount; i++)
{
var type = gp.PathTypes[i];
var point = gp.PathPoints[i];
poly.Add(new PolygonPoint(point.X + xOffset, -point.Y + yOffset));
if ((type & 0x80) == 0x80)
{
polygons.Add(new Polygon(poly));
poly.Clear();
}
}
var tri = new List <Polygon>();
Polygon polygon = null;
foreach (var p in polygons)
{
if (polygon == null)
{
polygon = p;
tri.Add(p);
}
else if (p.CalculateWindingOrder() != polygon.CalculateWindingOrder())
{
polygon.AddHole(p);
}
else
{
polygon = null;
tri.Add(p);
}
}
foreach (var pp in tri)
{
try
{
P2T.Triangulate(pp);
set.Add(pp);
}
catch
{
// Ignore
}
}
xOffset += size.Width;
}
var zOffset = box.Start.Z;
foreach (var polygon in set.Polygons)
{
foreach (var t in polygon.Triangles)
{
var points = t.Points.Select(x => new Coordinate((decimal)x.X, (decimal)x.Y, zOffset).Round(roundDecimals)).ToList();
var faces = new List <Coordinate[]>();
// Add the vertical faces
var z = new Coordinate(0, 0, height).Round(roundDecimals);
for (var j = 0; j < points.Count; j++)
{
var next = (j + 1) % points.Count;
faces.Add(new[] { points[j], points[j] + z, points[next] + z, points[next] });
}
// Add the top and bottom faces
faces.Add(points.ToArray());
faces.Add(points.Select(x => x + z).Reverse().ToArray());
// Nothing new here, move along
var solid = new Solid(generator.GetNextObjectID())
{
Colour = Colour.GetRandomBrushColour()
};
foreach (var arr in faces)
{
var face = new Face(generator.GetNextFaceID())
{
Parent = solid,
Plane = new Plane(arr[0], arr[1], arr[2]),
Colour = solid.Colour,
Texture = { Texture = texture }
};
face.Vertices.AddRange(arr.Select(x => new Vertex(x, face)));
face.UpdateBoundingBox();
face.AlignTextureToFace();
solid.Faces.Add(face);
}
solid.UpdateBoundingBox();
yield return(solid);
}
}
}
