private void LoadMesh()
{
using (TextReader tr = File.OpenText(System.AppDomain.CurrentDomain.BaseDirectory + "//meshmapping.txt"))
{
string s = tr.ReadToEnd();
var lines = s.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.RemoveEmptyEntries);
_Mappings = new List <FacePointMapping>();
var n = lines.Length;
for (int i = 0; i < n; i++)
{
var v = lines[i].Split(':');
FacePointMapping fpm = new FacePointMapping();
fpm.side = v[0];
var v1 = v[1].Split('=');
fpm.index = int.Parse(v1[0]);
fpm.mappedindex = int.Parse(v1[1]);
if (fpm.index == fpm.mappedindex)
{
fpm.side = "C";
}
_Mappings.Add(fpm);
}
}
using (TextReader tr = File.OpenText(System.AppDomain.CurrentDomain.BaseDirectory + "//tri_index.txt"))
{
string s = tr.ReadToEnd();
var lines = s.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.RemoveEmptyEntries);
_TriangleIndices = new Int32Collection();
var n = lines.Length;
for (int i = 0; i < n; i++)
{
_TriangleIndices.Add(int.Parse(lines[i]));
}
}
using (TextReader tr = File.OpenText(BaseXFile))
{
string s = tr.ReadToEnd();
_Positions = new Point3DCollection();
_TextureCoordinates = new PointCollection();
_orgmeshpos = new Point3DCollection();
var lines = s.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.RemoveEmptyEntries);
int n = lines.Length;
if (lines.Length > 1347)
{
n = lines.Length / 2;
}
for (int i = 0; i < n; i++)
{
var c = lines[i].Split(':');
var vertice = new Point3D(double.Parse(c[0], CultureInfo.InvariantCulture),
double.Parse(c[1], CultureInfo.InvariantCulture),
double.Parse(c[2], CultureInfo.InvariantCulture));
_Positions.Add(vertice);
_orgmeshpos.Add(vertice);
}
//one time test code
//create meshmapping
// CreateMeshMapping();
NormalizePos();
GenerateTextureCordinatesFromPos();
}
}
private void RenderMesh()
{
if (_TextureCoordinates == null)
{
return;
}
double minx = 1.0, maxx = 0, miny = 1, maxy = 0;
for (int i = 0; i < _TextureCoordinates.Count; i++)
{
if (_TextureCoordinates[i].X < minx)
{
minx = _TextureCoordinates[i].X;
}
if (_TextureCoordinates[i].Y < miny)
{
miny = _TextureCoordinates[i].Y;
}
if (_TextureCoordinates[i].X > maxx)
{
maxx = _TextureCoordinates[i].X;
}
if (_TextureCoordinates[i].Y > maxy)
{
maxy = _TextureCoordinates[i].Y;
}
}
//2. normalize
int width = (int)((maxx - minx) * 1920) + 1;
int height = (int)((maxy - miny) * 1080) + 1;
List <System.Drawing.PointF> meshpoints = new List <System.Drawing.PointF>();
for (int i = 0; i < _TextureCoordinates.Count; i++)
{
meshpoints.Add(new System.Drawing.PointF((float)(_TextureCoordinates[i].X - minx) * 1920,
(float)(_TextureCoordinates[i].Y - miny) * 1080)
);
}
////The bitmap must have ARGB Pixel format to support transparency
System.Drawing.Bitmap bm = new System.Drawing.Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
///////////////////////////////////////////////////////
System.Drawing.Graphics gbm = System.Drawing.Graphics.FromImage(bm);
gbm.Clear(System.Drawing.Color.Transparent);
//Draw the points
System.Drawing.Brush brush;
for (int i = 0; i < _TextureCoordinates.Count; i++)
{
FacePointMapping mapping = _Mappings.Find(p => p.index == i);
brush = (mapping.side == "R") ? System.Drawing.Brushes.Red : System.Drawing.Brushes.Blue;
if (mapping.side == "C")
{
brush = System.Drawing.Brushes.Cyan;
}
gbm.FillRectangle(brush, new System.Drawing.RectangleF(
meshpoints[i].X,
meshpoints[i].Y,
3, 3));
}
if ((bool)chkMesh.IsChecked)
{
for (int i = 0; i < _TriangleIndices.Count; i = i + 3)
{
System.Drawing.Pen pen = new System.Drawing.Pen(_MeshColor);
System.Drawing.Pen pen2 = new System.Drawing.Pen(System.Drawing.Color.FromArgb(255, System.Drawing.Color.YellowGreen));
//Use different pen for these triangles connected to these points
//10 (center of base of upper lip)
if (_TriangleIndices[i] == 10 || _TriangleIndices[i + 1] == 10 || _TriangleIndices[i + 2] == 10)
{
pen = pen2;
}
//14 (nose tip)
if (_TriangleIndices[i] == 14 || _TriangleIndices[i + 1] == 14 || _TriangleIndices[i + 2] == 14)
{
pen = pen2;
}
//0 (chin)
if (_TriangleIndices[i] == 0 || _TriangleIndices[i + 1] == 0 || _TriangleIndices[i + 2] == 0)
{
pen = pen2;
}
//328-1105 (right eye is between this 2 points)
if (_TriangleIndices[i] == 1105 || _TriangleIndices[i + 1] == 1105 || _TriangleIndices[i + 2] == 1105)
{
pen = pen2;
}
//883-1092 (left eye is between these 2 points)
if (_TriangleIndices[i] == 1092 || _TriangleIndices[i + 1] == 1092 || _TriangleIndices[i + 2] == 1092)
{
pen = pen2;
}
if (CCommon.ArePointsClockwise(
meshpoints[_TriangleIndices[i]],
meshpoints[_TriangleIndices[i + 1]],
meshpoints[_TriangleIndices[i + 2]])
)
{
gbm.DrawPolygon(pen, new System.Drawing.PointF[]
{
meshpoints[_TriangleIndices[i]],
meshpoints[_TriangleIndices[i + 1]],
meshpoints[_TriangleIndices[i + 2]]
}
);
}
}
}
gbm.Dispose();
Image1.Source = CCommon.Bitmap2BitmapImage(bm);
bm.Dispose();
bm = null;
}