android: how to merge an array of bitmap together in one bitmap ?

Question

hi there, i'm trying to make a map loader for tiled, on android.. so far i could parse the tmx file, grab all the tile data, and put them in a 2dimensional array, like this: Bitmap tiles[x][y] ... it works and i can render tiled maps on android now, but only by interating through that tiles[][] array, like shown below..

how can i merge together in one single bitmap the content of a bitmap array ?

here's my render method:

//here's what i have:
for (int x = 0; x < MapLoader.width; x++) {
  for (int y = 0; y < MapLoader.height; y++) {
    g.drawBitmap( picSource[x][y], posX, posY, BitmapPaint);
  }
}

//and here's what i'd like to have:
g.drawBitmap( picDest, posX, posY, BitmapPaint);

i would like to itterate through picSource[x][y] grab all the bitmaps and put them all in picDest. so i can get 1 single big pic, representing the map i've loaded and constructed from tiled tmx file..

( note that no bitmap contained in the picSource[][] array is located a the same position .. there's no bitmap on top of any other, they're just displayed in a grid each is a 32x32 bitmap in a 4x3 grid for example.. each its own spot on the grid .. )

thanks for the help