/* in case for mode 2, the following also performs 24->32 bit conversion */
for(y=0;y<header.height;y++) {
int mode = imagedata[pos++]; //filter mode
/* in case for mode 2, the following also performs 24->32 bit conversion */
for(y=0;y<header.height;y++) {
int mode = imagedata[pos++]; //filter mode