/// <summary>
/// Converts the BLP to a System.Drawing.Bitmap
/// </summary>
/// <param name="mipmapLevel">The desired Mipmap-Level. If the given level is invalid, the smallest available level is choosen</param>
/// <returns>The Bitmap</returns>
public Bitmap GetBitmap(int mipmapLevel)
{
if (mipmapLevel >= MipMapCount)
{
mipmapLevel = MipMapCount - 1;
}
if (mipmapLevel < 0)
{
mipmapLevel = 0;
}
int scale = (int)Math.Pow(2, mipmapLevel);
int w = width / scale;
int h = height / scale;
Bitmap bmp = new Bitmap(w, h);
byte[] data = GetPictureData(mipmapLevel);
byte[] pic = GetImageBytes(w, h, data); // This bytearray stores the Pixel-Data
// Faster bitmap Data copy
BitmapData bmpdata = bmp.LockBits(new Rectangle(0, 0, w, h), ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
// when we want to copy the pixeldata directly into the bitmap, we have to convert them into BGRA befor doing so
ARGBColor8.convertToBGRA(pic);
Marshal.Copy(pic, 0, bmpdata.Scan0, pic.Length); // copy! :D
bmp.UnlockBits(bmpdata);
return(bmp);
}
/// <summary>
/// Converts the BLP to a System.Drawing.Bitmap
/// </summary>
/// <param name="MipmapLevel">The desired Mipmap-Level. If the given level is invalid, the smallest available level is choosen</param>
/// <returns>The Bitmap</returns>
public Bitmap getBitmap(int MipmapLevel)
{
int x = (this.width / (int)(Math.Pow(2, MipmapLevel))), y = (this.height / (int)(Math.Pow(2, MipmapLevel)));
Bitmap bmp = new Bitmap(x, y);
byte[] pic = getImageBytes(MipmapLevel); // This bytearray stores the Pixel-Data
// Faster bitmap Data copy
System.Drawing.Imaging.BitmapData bmpdata = bmp.LockBits(new Rectangle(0, 0, x, y), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
// when we want to copy the pixeldata directly into the bitmap, we have to convert them into BGRA befor doing so
ARGBColor8.convertToBGRA(ref pic);
System.Runtime.InteropServices.Marshal.Copy(pic, 0, bmpdata.Scan0, pic.Length); // copy! :D
bmp.UnlockBits(bmpdata);
/*
* // Pushing everything into the Bitmap
* // This technique is realy slow and should not be used
* for (int y = 0; y < this.height; y++)
* {
* for (int x = 0; x < this.width; x++)
* {
* int r, g, b, a;
* r = pic[(y * this.width + x) * 4 + 0];
* g = pic[(y * this.width + x) * 4 + 1];
* b = pic[(y * this.width + x) * 4 + 2];
* a = pic[(y * this.width + x) * 4 + 3];
* Color col = Color.FromArgb(a, r, g, b);
* bmp.SetPixel(x, y, col);
* }
* }
*/
return(bmp);
}