SV * get_pixel32 (SDL_Surface *surface, int x, int y)
{
	//Convert the pixels to 32 bit 
	Uint32 *pixels = (Uint32 *)surface->pixels; 

	//Get the requested pixel 	
	Uint32* u_ptr =  pixels + ( y * surface->w ) + x ; 

        SV* sv = newSVpv("a",1); //Make a temp SV* value on the go
        SvCUR_set(sv, sizeof(Uint32)); //Specify the new CUR length
	SvLEN_set(sv, sizeof(Uint32)); //Specify the LEN length
        SvPV_set(sv,(char*)u_ptr); // set the actual pixel's pointer as the memory space to use

	return sv; //make a modifiable reference using u_ptr's place as the memory :)

}

##</code><code>##


AV * construct_p_matrix ( SDL_Surface *surface )
{
    AV * matrix = newAV();
     int i, j;
     for(  i =0 ; i < surface->w; i++)
      {
	AV * matrix_row = newAV();
	 for( j =0 ; j < surface->h; j++)
		{
			av_push(matrix_row, get_pixel32(surface, i,j) );
		}
	  av_push(matrix, newRV_noinc((SV*) matrix_row) );
	}

	return matrix;
}


##</code><code>##

   my $surf32_matrix = SDLx::Surface::pixel_array($screen_surface);
   print unpack 'b*', $surf32_matrix->[0][0]; # pixel value at x = 0 and y =0
#OUTPUT:
# 11111111000000000000000000000000

##</code><code>##

print Dump $surf32_matrix->[0][0];
#OUTPUT:
#SV = PV(0xed0dbc) at 0xeb5344
#  REFCNT = 1
#  FLAGS = (POK,pPOK)
#  PV = 0x9e04ac "\0\0\377\0"
#  CUR = 4
#  LEN = 4

##</code><code>##

if ( SDL::Video::MUSTLOCK($screen_surface) ) {
    return if ( SDL::Video::lock_surface($screen_surface) < 0 ); #required for pixel operations
}

#USING pack

my $green = pack 'b*', '11111111000000000000000000000000';
substr( $surf32_matrix->[0][0], 0, 8 * 4, $green); #no change
#substr( $surf32_matrix->[0][0], 0, 8 * 4, 0xFF000000); segfault
substr( ${$surf32_matrix->[0][0]}, 0, 8 * 4, 0xFF000000); #no change
#$surf32_matrix->[0][0] = $green; SEGFAULT's cannot write to memory
${$surf32_matrix->[0][0]} = $green; #no change


SDL::Video::unlock_surface($screen_surface)
  if ( SDL::Video::MUSTLOCK($screen_surface) );