public Tex2D(string path, bool alpha = false)
{
if (path == string.Empty || path == "" || path == null)
{
return;
}
Path = path;
if (Lut.ContainsKey(path))
{
Tex2D ot = Lut[path];
ID = ot.ID;
Width = ot.Width;
Height = ot.Height;
Path = ot.Path;
Alpha = ot.Alpha;
Name = ot.Name;
return;
}
else
{
Lut.Add(path, this);
}
Console.WriteLine("Reading:" + path);
GL.Enable(EnableCap.Texture2D);
ID = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, ID);
if (new FileInfo(path + ".cache").Exists)
{
FileStream fs = new FileStream(path + ".cache", FileMode.Open, FileAccess.Read);
BinaryReader r = new BinaryReader(fs);
Name = r.ReadString();
Path = r.ReadString();
Width = r.ReadInt16();
Height = r.ReadInt16();
Alpha = r.ReadBoolean();
int pc = 3;
if (Alpha)
{
pc = 4;
}
RawData = new byte[Width * Height * pc];
r.Read(RawData, 0, Width * Height * pc);
fs.Close();
fs = null;
}
else
{
Bitmap img = new Bitmap(path);
//System.Drawing.Imaging.BitmapData dat = img.LockBits( new Rectangle(0, 0, img.Width, img.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.);
Width = img.Width;
Height = img.Height;
Alpha = alpha;
int pc = 3;
if (Alpha)
{
pc = 4;
}
RawData = new byte[Width * Height * pc];
//GL.TexImage2D(TextureTarget.Texture2D,0,PixelInternalFormat.)
int pi = 0;
for (int y = 0; y < img.Height; y++)
{
for (int x = 0; x < img.Width; x++)
{
Color pix = img.GetPixel(x, y);
RawData[pi++] = pix.R;
RawData[pi++] = pix.G;
RawData[pi++] = pix.B;
if (alpha)
{
RawData[pi++] = pix.A;
}
}
}
FileStream fs = new FileStream(path + ".cache", FileMode.Create, FileAccess.Write);
BinaryWriter w = new BinaryWriter(fs);
if (Name == null || Name == string.Empty)
{
Name = "Tex2D";
}
w.Write(Name);
w.Write(Path);
w.Write((short)Width);
w.Write((short)Height);
w.Write(Alpha);
pc = 3;
if (alpha)
{
pc = 4;
}
w.Write(RawData, 0, Width * Height * pc);
fs.Flush();
fs.Close();
fs = null;
}
if (alpha)
{
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, Width, Height, 0, PixelFormat.Rgba, PixelType.UnsignedByte, RawData);
}
else
{
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgb, Width, Height, 0, PixelFormat.Rgb, PixelType.UnsignedByte, RawData);
}
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.BindTexture(TextureTarget.Texture2D, 0);
}
