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1 .TH sane\-test 5 "14 Jul 2008" "@PACKAGEVERSION@" "SANE Scanner Access Now Easy"
2 .IX sane\-test
4 sane\-test \- SANE backend for testing frontends
7 .B sane\-test
16 .B sane\-test
24 .I scanimage \-d test
30 Option
34 Option
40 color mode. The combination of color and 1-bit mode is quite obscure (8
44 Setting option
45 .B hand\-scanner
46 results in the test-backend behaving like a hand-scanner. Hand-scanners do
47 not know the image height a priori. Instead, they return a height of \-1.
48 Setting this option allows one to test whether a frontend can handle this
49 correctly. This option also enables a fixed width of 11 cm.
51 Setting option
52 .B three\-pass
53 simulates a three-pass scanner. Older color scanners needed to scan the image
57 Option
58 .B three\-pass\-order
59 provides support for changing the order of the three frames (see option
60 three-pass above). A frontend should support all orders.
62 Option
67 Option
74 Option
75 .B test\-picture
82 .IR http://www.meier\-geinitz.de/sane/test\-backend/test\-pictures.html .
84 If option
85 .B invert\-endianness
87 This option can be used to test the 16 bit modes of frontends, e.g. if the
90 If option
91 .B read\-limit
96 Option
97 .B read\-limit\-size
98 sets the limit for option read-limit. A low limit slows down scanning. It
102 Option
103 .B read\-delay
106 Option
107 .B read\-delay\-duration
109 buffer. This option is useful to find timing-related bugs, especially if
112 If option
113 .B read\-return\-value
119 If option
120 .B ppl\-loss
124 Option
125 .B fuzzy\-parameters
127 hasn't been started. This option can be used to test if the frontend uses the
130 Option
131 .B non\-blocking
132 determines if non-blocking IO for
136 If option
137 .B select\-fd
142 If option
143 .B enable\-test\-options
144 is set, a fairly big list of options for testing the various SANE option
147 Option
148 .B print\-options
153 Option
154 .B tl\-x
155 determines the top-left x position of the scan area.
157 Option
158 .B tl\-y
159 determines the top-left y position of the scan area.
161 Option
162 .B br\-x
163 determines the bottom-right x position of the scan area.
165 Option
166 .B br\-y
167 determines the bottom-right y position of the scan area.
171 There are 6 bool test options in total. Each option is numbered. (3/6)
172 means: this is option 3 of 6. The numbering scheme is intended for easier
176 Option
177 .B bool\-soft\-select\-soft\-detect
178 (1/6) is a bool test option that has soft select and soft detect (and
179 advanced) capabilities. That's just a normal bool option.
181 Option
182 .B bool\-hard\-select\-soft\-detect
183 (2/6) is a bool test option that has hard select and soft detect (and
184 advanced) capabilities. That means the option can't be set by the frontend
187 Option
188 .B bool\-hard\-select
189 (3/6) is a bool test option that has hard select (and advanced) capabilities.
190 That means the option can't be set by the frontend but by the user (e.g. by
193 Option
194 .B bool\-soft\-detect
195 (4/6) is a bool test option that has soft detect (and advanced)
196 capabilities. That means the option is read-only.
198 Option
199 .B bool\-soft\-select\-soft\-detect\-emulated
200 (5/6) is a Bool test option that has soft select, soft detect, and emulated
203 Option
204 .B bool\-soft\-select\-soft\-detect\-auto
205 (6/6) is a Bool test option that has soft select, soft detect, and automatic
206 (and advanced) capabilities. This option can be automatically set by the
213 Option
215 (1/7) is an int test option with no unit and no constraint set.
217 Option
218 .B int\-constraint\-range
219 (2/7) is an int test option with unit pixel and constraint range set. Minimum
222 Option
223 .B int\-constraint\-word\-list
224 (3/7) is an int test option with unit bits and constraint word list set.
226 Option
227 .B int\-constraint\-array
228 (4/7) is an int test option with unit mm and using an array without
231 Option
232 .B int\-constraint\-array\-constraint\-range
233 (5/7) is an int test option with unit mm and using an array with a range
236 Option
237 .B int\-constraint\-array\-constraint\-word\-list
238 (6/7) is an int test option with unit percent and using an array or word list
241 Option
242 .B int\-inexact
243 (7/7) is an int test option that increments the requested value and returns
250 Option
252 (1/3) is a fixed test option with no unit and no constraint set.
254 Option
255 .B fixed\-constraint\-range
256 (2/3) is a fixed test option with unit microsecond and constraint range
257 set. Minimum is \-42.17, maximum 32767.9999, and quant is 2.0.
259 Option
260 .B fixed\-constraint\-word\-list
261 (3/3) is a fixed test option with no unit and constraint word list set.
267 Option
269 (1/3) is a string test option without constraint.
271 Option
272 .B string\-constraint\-string\-list
273 (2/3) is a string test option with string list constraint.
275 Option
276 .B string\-constraint\-long\-string\-list
277 (3/3) is a string test option with string list constraint. Contains some more
281 .SH BUTTON TEST OPTION
282 Option
284 (1/1) is a Button test option. Prints some text...
301 .I @LIBDIR@/libsane\-test.a
304 .I @LIBDIR@/libsane\-test.so
314 semi-colon (`;'). If this variable is not set, the configuration file
343 .IR http://www.meier\-geinitz.de/sane/test\-backend/
347 Henning Meier-Geinitz
348 .RI < henning@meier\-geinitz.de >
351 \- config file values aren't tested for correctness