[hpoj-devel] ptal-hp scan changes (T series now supported!)

[<pa...@rc...>]

Hi,

I just checked in more changes for ptal-hp scan.  In particular, the
OfficeJet T series is now supported.  In fact, between ptal-hp and SANE,
there is now scanning support for every OfficeJet since (and including)
the 500 series, and for every LaserJet MFP (except the 3100 and 3150).

Other changes worth noting:

- The default scan mode is now color for devices that support it, and gray
otherwise.  (The 500 series now always outputs .pnm, not .jpg, as default.)

- The default resolution is automatically changed to 300 when doing black
and white scans on the OfficeJets (and also gray on the 500 series), to
keep the device from hanging.

- A checkin several days ago caused problems with scanning on pre-T-series
OfficeJets.  That bug should be fixed now.

- The JPEG improper length bug is still present for the OfficeJet 600, 700,
and PSC 300.  However, I added a "-length" switch so one can override the
default (too long) length of twice the width.  Keep in mind that on a
scrollfed device, the length may vary between scans, even slightly for the
same document.  I realize this isn't an optimal solution for this problem,
but it's better than nothing while I look into a proper solution.

As always, bug reports are welcome.  Now that the sun is coming up, I guess
I should go to bed.  :-)

David