- fix DR-2510C duplex deinterlacing code
- rewrite sane_read helpers to read until EOF
- update sane_start for scanners that dont use object_position
- dont call sanei_usb_clear_halt() if device is not open
- increase default buffer size to 4 megs
- set buffermode on by default
- hide modes and resolutions that DR-2510C lies about
- read_panel() logs front-end access to sensors instead of timing
- rewrite do_usb_cmd() to use remainder from RS info
* doc/desciptions/canon_dr.desc: backend v24, update DR-2510C comment
- rewrite all image data processing code
- handle more image interlacing formats
- re-enable binary mode on some scanners
- limit some machines to full-width scanning
* doc/desciptions/canon_dr.desc: v23, improved comments
- improved macros for inquiry and set window
- shorten inquiry vpd length to match windows driver
- remove status-length config option
- add padded-read config option
- rewrite do_usb_cmd to pad reads and calloc/copy buffers
* backend/canon_dr.conf.in: s/status-length/padded-read/g
- pad gray deinterlacing area for DR-2510C
- override tl_x and br_x for fixed width scanners
* doc/descriptions/canon_dr.desc: backend v19, update comments
- add byte-oriented duplex interlace code
- add RRGGBB color interlace code
- add basic support for DR-2580C, DR-2050C, DR-2080C, DR-2510C
- add more unknown setwindow bits
- add support for 16 byte status packets
- clean do_usb_cmd error handling (call reset more often)
- set status packet size from config file
- rewrite config file parsing to reset options after each scanner
- add config options for vendor, model, version
- dont call inquiry if those 3 options are set
- remove default config file from code
- add initial gray deinterlacing code for DR-2510C
- rename do_usb_reset to do_usb_clear
* doc/descriptions/canon_dr.desc: backend v18, update model status
* backend/canon_dr.conf.in: added better comments and new options
- rename read/send_counter to read/send_panel
- enable control panel during init
- add options for all buttons
- call TUR twice in wait_scanner(), even if first succeeds
- disable rif
- enable brightness/contrast/threshold options
* doc/descriptions/canon_dr.desc, doc/sane-canon_dr.man: backend v8
- jpeg support (size rounding and header overwrite)
- call object_position(load) between pages even if buffering is on
- use request sense info bytes on short scsi reads
- byte swap color BGR to RGB
- round image width down, not up
- round image height down to even # of lines
- always transfer even # of lines per block
- scsi and jpeg don't require reading extra lines to reach EOF
- rename buffer option to buffermode to avoid conflict with scanimage
- send ssm_do and ssm_df during sane_start
- improve sense_handler output
* doc/descriptions/canon_dr.desc: backend v7
doc/descriptions/canon_dr.desc: backend v5
- remove EOF ejection code
- add SSM and GSM commands
- add dropout, doublefeed, and jpeg compression options
- disable adf backside
- fix adf duplex
- read two extra lines (ignore errors) at end of image
- only send scan command at beginning of batch
- fix bug in hexdump with 0 length string
- DR-7580 support
m. allan noah