[android-developers] Extracting RGB data from Bitmap

Anyone know how to extract the RGB Data only from  a bitmap
So that is can be placed into a string and thus create a PDF using the inline images
q
17 0 0 17 298 298 cm
BI
   /W 17
   /H  17
   /CS  /RGB
   /BPC  8
ID
   <<here is where just the bitmap data goes >>
   something like   Jq/gKA>JasDS3f%$gdGD%4G453
EI
Q

  etc..


Thanks in advance