public static NUT_Texture fromPNG(string fname, int mipcount)
{
Bitmap bmp = new Bitmap(fname);
NUT_Texture tex = new NUT_Texture();
tex.mipmaps.Add(fromPNG(bmp));
for (int i = 1; i < mipcount; i++)
{
if (bmp.Width / (int)Math.Pow(2, i) < 4 || bmp.Height / (int)Math.Pow(2, i) < 4)
{
break;
}
tex.mipmaps.Add(fromPNG(Pixel.ResizeImage(bmp, bmp.Width / (int)Math.Pow(2, i), bmp.Height / (int)Math.Pow(2, i))));
}
tex.Width = bmp.Width;
tex.Height = bmp.Height;
tex.type = PixelInternalFormat.Rgba;
tex.utype = OpenTK.Graphics.OpenGL.PixelFormat.Rgba;
return(tex);
}
public static BRTI.BRTI_Texture fromPNG(string filename, int mipcount)
{
Bitmap bmp = new Bitmap(filename);
BRTI.BRTI_Texture tex = new BRTI.BRTI_Texture();
tex.mipmaps.Add(fromPNG(bmp));
for (int i = 0; i < mipcount; i++)
{
if (bmp.Width / (int)Math.Pow(2, i) < 4 || bmp.Height / (int)Math.Pow(2, i) < 4)
{
break;
}
tex.mipmaps.Add(fromPNG(Pixel.ResizeImage(bmp, bmp.Width / (int)Math.Pow(2, i), bmp.Height / (int)Math.Pow(2, i))));
tex.data = tex.mipmaps[0];
}
tex.width = bmp.Width;
tex.height = bmp.Height;
tex.pixelInternalFormat = PixelInternalFormat.Rgba;
tex.pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Rgba;
return(tex);
}