LibTiff Mailing List
TIFF and LibTiff Mailing List Archive
March 2008
Previous Thread
Next Thread
Previous by Thread
Next by Thread
Previous by Date
Next by Date
Contact
The TIFF Mailing List Homepage
This list is run by Frank Warmerdam
Archive maintained by AWare Systems
Thread
2008.04.24 14:16 "Re: TIFFReadRawStrip buffer data type", by James Sumners
Thank you guys. I got everything working as it should be. On Sat, Mar 29, 2008 at 12:51 PM, Bob Friesenhahn <bfriesen@simple.dallas.tx.us> wrote: > On Sat, 29 Mar 2008, James Sumners wrote: > > > > That makes a little sense. I was reading the image into a char buffer > > before, but got the feeling that I wasn't working with the correct > > values. I didn't think about an unsigned char. I'll give that a try > > and see how it works for me. > > > > The only time there is benefit to using something other than an 'unsigned > char' buffer type is when the bits per sample is 16, 32, or 64 and the data > is presented the same as the CPU's native respresentation. Otherwise the > data is packed in bitwise "natural" (MSB) order and needs to be unpacked > using bit shifts/masks or some other approach. > > > > Bob -- James Sumners http://james.roomfullofmirrors.com/ "All governments suffer a recurring problem: Power attracts pathological personalities. It is not that power corrupts but that it is magnetic to the corruptible. Such people have a tendency to become drunk on violence, a condition to which they are quickly addicted." Missionaria Protectiva, Text QIV (decto) CH:D 59