kopia lustrzana https://gitlab.com/sane-project/backends
Added option invert-endianess to test 16 bit modes.
Henning Meier-Geinitz <henning@meier-geinitz.de>DEVEL_2_0_BRANCH-1
Henning Geinitz
rodzic
df8b2a8460
commit
2c16e3308b
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@ -57,6 +57,9 @@ init_picture_buffer (Test_Device * test_device, SANE_Byte ** buffer,
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SANE_Byte *b;
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SANE_Bool is_little_endian = little_endian ();
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if (test_device->val[opt_invert_endianess].w)
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is_little_endian ^= 1;
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DBG (2, "(child) init_picture_buffer test_device=%p, buffer=%p, "
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"buffer_size=%p\n", test_device, buffer, buffer_size);
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@ -41,7 +41,7 @@
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This backend is for testing frontends.
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*/
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#define BUILD 16
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#define BUILD 17
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#include "../include/sane/config.h"
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@ -194,6 +194,7 @@ static SANE_Bool init_hand_scanner = SANE_FALSE;
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static SANE_Bool init_three_pass = SANE_FALSE;
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static SANE_String init_three_pass_order = "RGB";
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static SANE_String init_test_picture = "Solid black";
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static SANE_Bool init_invert_endianess = SANE_FALSE;
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static SANE_Bool init_read_limit = SANE_FALSE;
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static SANE_Word init_read_limit_size = 1;
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static SANE_Bool init_read_delay = SANE_FALSE;
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@ -427,6 +428,23 @@ init_options (Test_Device * test_device)
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return SANE_STATUS_NO_MEM;
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strcpy (test_device->val[opt_test_picture].s, init_test_picture);
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/* opt_invert_endianess */
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od = &test_device->opt[opt_invert_endianess];
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od->name = "invert-endianess";
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od->title = SANE_I18N ("Invert endianess");
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od->desc = SANE_I18N ("Exchange upper and lower byte of image data in 16 "
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"bit modes. This option can be used to test the 16 "
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"bit modes of frontends, e.g. if the frontend uses "
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"the correct endianess.");
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od->type = SANE_TYPE_BOOL;
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od->unit = SANE_UNIT_NONE;
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od->size = sizeof (SANE_Word);
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od->cap = SANE_CAP_SOFT_DETECT | SANE_CAP_SOFT_SELECT;
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od->cap |= SANE_CAP_INACTIVE;
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od->constraint_type = SANE_CONSTRAINT_NONE;
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od->constraint.range = 0;
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test_device->val[opt_invert_endianess].w = init_invert_endianess;
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/* opt_read_limit */
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od = &test_device->opt[opt_read_limit];
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od->name = "read-limit";
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@ -1433,6 +1451,9 @@ sane_init (SANE_Int * version_code, SANE_Auth_Callback authorize)
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if (read_option (line, "test-picture", param_string,
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&init_test_picture) == SANE_STATUS_GOOD)
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continue;
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if (read_option (line, "invert-endianess", param_bool,
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&init_invert_endianess) == SANE_STATUS_GOOD)
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continue;
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if (read_option (line, "read-limit", param_bool,
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&init_read_limit) == SANE_STATUS_GOOD)
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continue;
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@ -1869,7 +1890,8 @@ sane_control_option (SANE_Handle handle, SANE_Int option, SANE_Action action,
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option, test_device->opt[option].name,
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*(SANE_Bool *) value == SANE_TRUE ? "true" : "false");
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break;
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case opt_non_blocking: /* Bool */
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case opt_invert_endianess: /* Bool */
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case opt_non_blocking:
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case opt_select_fd:
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case opt_bool_soft_select_soft_detect:
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case opt_bool_soft_select_soft_detect_auto:
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@ -1885,7 +1907,7 @@ sane_control_option (SANE_Handle handle, SANE_Int option, SANE_Action action,
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option, test_device->opt[option].name,
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*(SANE_Bool *) value == SANE_TRUE ? "true" : "false");
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break;
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case opt_depth: /* Word list with parameter reloading */
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case opt_depth: /* Word list with parameter and options reloading */
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if (test_device->val[option].w == *(SANE_Int *) value)
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{
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DBG (4, "sane_control_option: option %d (%s) not changed\n",
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@ -1893,11 +1915,17 @@ sane_control_option (SANE_Handle handle, SANE_Int option, SANE_Action action,
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break;
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}
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test_device->val[option].w = *(SANE_Int *) value;
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if (test_device->val[option].w == 16)
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test_device->opt[opt_invert_endianess].cap &= ~ SANE_CAP_INACTIVE;
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else
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test_device->opt[opt_invert_endianess].cap |= SANE_CAP_INACTIVE;
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myinfo |= SANE_INFO_RELOAD_PARAMS;
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myinfo |= SANE_INFO_RELOAD_OPTIONS;
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DBG (4, "sane_control_option: set option %d (%s) to %d\n",
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option, test_device->opt[option].name, *(SANE_Int *) value);
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break;
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case opt_three_pass_order: /* String list with parameter reloading */
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case opt_three_pass_order: /* String list with parameter reload */
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if (strcmp (test_device->val[option].s, value) == 0)
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{
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DBG (4, "sane_control_option: option %d (%s) not changed\n",
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@ -2122,6 +2150,7 @@ sane_control_option (SANE_Handle handle, SANE_Int option, SANE_Action action,
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}
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case opt_hand_scanner: /* Bool options */
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case opt_three_pass:
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case opt_invert_endianess:
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case opt_read_limit:
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case opt_read_delay:
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case opt_fuzzy_parameters:
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@ -31,6 +31,9 @@ resolution 50.0
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# Draw test picture ("Solid black", "Solid white", "Color pattern", "Grid")
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test-picture "Solid black"
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# Invert upper and lower byte in 16 bit modes
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invert-endianess false
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# Read-limit (true, false)
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read-limit false
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@ -25,7 +25,8 @@ typedef enum
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opt_resolution,
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opt_special_group,
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opt_test_picture,
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opt_read_limit, /* 10 */
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opt_invert_endianess,
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opt_read_limit,
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opt_read_limit_size,
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opt_read_delay,
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opt_read_delay_duration,
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@ -10,7 +10,7 @@
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;
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:backend "test" ; name of backend
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:version "1.0-16" ; version of backend
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:version "1.0-17" ; version of backend
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:status :stable ; :alpha, :beta, :stable, :new
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:manpage "sane-test" ; name of manpage (if it exists)
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:url "http://www.meier-geinitz.de/sane/test-backend/" ; backend's web page
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@ -1,4 +1,4 @@
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.TH sane-test 5 "9 Jun 2002"
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.TH sane-test 5 "24 Jul 2002"
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.IX sane-test
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.SH NAME
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sane-test - SANE backend for testing frontends
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@ -70,6 +70,12 @@ same in every mode and resolution. A table of all the test pictures can be
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found at: http://www.meier-geinitz.de/sane/test-backend/test-pictures.html.
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.PP
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If option
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.B invert-endianess
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is set, the upper and lower bytes of image data in 16 bit modes are exchanged.
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This option can be used to test the 16 bit modes of frontends, e.g. if the
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frontend uses the correct endianess.
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.PP
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If option
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.B read-limit
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is set, the maximum amount of data tranferred with each call to sane_read() is
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limited.
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