public void Mul(ScaleFactor f)
{
x *= f.x;
y *= f.y;
z *= f.z;
a *= f.a;
}
public void Div(ScaleFactor f)
{
x /= f.x;
y /= f.y;
z /= f.z;
a /= f.a;
}
public ScaleFactor(ScaleFactor f)
{
x = f.x;
y = f.y;
z = f.z;
a = f.a;
}
public bool GenerateFromBitmap(string file, ScaleFactor f)
{
try
{
m_name = Path.GetFileName(file);
Bitmap bm = new Bitmap(file);
// add 3d points
for (int y = 0; y < bm.Height; y++)
{
for (int x = 0; x < bm.Width; x++)
{
Color clr = bm.GetPixel(x, y);
Point3d pnt = new Point3d();
pnt.x = f.x * ((double)x);
pnt.y = f.y * ((double)y);
pnt.z = f.z * ((double)clr.R);
m_lstpoints.Add(pnt);
}
}
// now generate polys
for (int y = 0; y < bm.Height ; y++)
{
for (int x = 0; x < bm.Width ; x++)
{
if (y == (bm.Height - 1)) continue;
if (x == (bm.Width - 1)) continue;
Polygon ply = new Polygon();
ply.m_points = new Point3d[3];
int idx1 = (y * bm.Width) + x;
int idx2 = (y * bm.Width) + x + 1;
int idx3 = (y * bm.Width) + x + bm.Width ;
ply.m_points[0] = (Point3d)m_lstpoints[idx1];
ply.m_points[1] = (Point3d)m_lstpoints[idx2];
ply.m_points[2] = (Point3d)m_lstpoints[idx3];
ply.CalcCenter();
ply.CalcNormal();
m_lstpolys.Add(ply);
Polygon ply2 = new Polygon();
ply2.m_points = new Point3d[3];
idx1 = (y * bm.Width) + x + 1;
idx2 = (y * bm.Width) + x + bm.Width + 1;
idx3 = (y * bm.Width) + x + bm.Width;
ply2.m_points[0] = (Point3d)m_lstpoints[idx1];
ply2.m_points[1] = (Point3d)m_lstpoints[idx2];
ply2.m_points[2] = (Point3d)m_lstpoints[idx3];
ply2.CalcCenter();
ply2.CalcNormal();
m_lstpolys.Add(ply2);
}
}
Update();
return true;
}
catch (Exception)
{
return false;
}
}
