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Add logs from different scanners for testing purposes

Bartosz requested to merge gang65/simple-scan:descriptors into master

The purpose of file list of logs, is to gather informations about the descriptors of multiple scanners.

How to use it

If you would like to check the brightness minimum and maximum values, you could type:

  $ cd data/descriptors
  $ git grep name=\'brightness\'

The output of this command will be for example:

Canon_LiDE_220.log:[+5,91s] DEBUG: scanner.vala:735: Option 24: name='brightness' title='Brightness' type=int size=4 min=-100, max=100, quant=1 cap=soft-select,soft-detect
Epson_NX300.log:[+58,31s] DEBUG: Option 6: name='brightness' title='Brightness' type=int size=4 min=0, max=0, quant=0 cap=soft-select,soft-detect,inactive
Hewlett-Packard_Officejet_4630_series.log:[+10,75s] DEBUG: scanner.vala:742: Option 6: name='brightness' title='Brightness' type=int size=4 min=0, max=2000, quant=0 cap=soft-select,soft-detect,advanced

The first word is the file name (eg. Canon_LiDE_220.log), which corresponding to Scanner/Printer model. You could notice that for Canon_LiDE_220 the brightness range is -100,100, for Epson_NX300 it is 0,0, as the descriptor is inactive and for HP_4630 the range is 0,2000.

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