G_MODULE_EXPORT void gnome_scan_module_finalize (GnomeScanModule *module) { /* TODO: backend and scanners */ gsane_option_manager_destroy(gsane_option_manager); sane_exit(); }
static PyObject *deInit (PyObject * self, PyObject * args) { if (!PyArg_ParseTuple (args, "")) raiseError("Invalid arguments"); sane_exit (); Py_INCREF (Py_None); return Py_None; }
static void sane_idadone(void *data) { struct sane_state *h = data; sane_cancel(h->sane); sane_close(h->sane); sane_exit(); free(h->buf); free(h); }
static void build_menu(Widget widget, XtPointer clientdata, XtPointer call_data) { WidgetList children,wlist; Cardinal nchildren; const SANE_Device **list; Widget push; XmString str; char action[256]; int rc,i; /* del old */ XtVaGetValues(widget, XtNchildren,&children, XtNnumChildren,&nchildren, NULL); wlist = malloc(sizeof(Widget*)*nchildren); memcpy(wlist,children,sizeof(Widget*)*nchildren); for (i = 0; i < nchildren; i++) XtDestroyWidget(wlist[i]); free(wlist); /* create new */ if (SANE_STATUS_GOOD != (rc = sane_init(NULL,NULL))) { fprintf(stderr,"sane_init: %s\n",sane_strstatus(rc)); goto done; } sane_get_devices(&list,0); if (NULL == list[0]) goto done; for (i = 0; list[i] != NULL; i++) { if (debug) fprintf(stderr,"sane dev: %s | %s | %s | %s\n", list[i]->name, list[i]->vendor, list[i]->model, list[i]->type); str = XmStringGenerate((char*)list[i]->model, NULL, XmMULTIBYTE_TEXT, NULL); push = XtVaCreateManagedWidget(list[i]->name, xmPushButtonWidgetClass,widget, XmNlabelString,str, NULL); XmStringFree(str); sprintf(action,"Scan(%s)",list[i]->name); XtAddCallback(push,XmNactivateCallback,action_cb,strdup(action)); } done: sane_exit(); }
void sane_menu(Widget menu) { Widget submenu; int rc; if (SANE_STATUS_GOOD != (rc = sane_init(NULL,NULL))) { fprintf(stderr,"sane_init: %s\n",sane_strstatus(rc)); goto done; } submenu = XmCreatePulldownMenu(menu,"scanM",NULL,0); XtVaCreateManagedWidget("scan",xmCascadeButtonWidgetClass,menu, XmNsubMenuId,submenu,NULL); XtAddCallback(submenu, XmNmapCallback, build_menu, NULL); done: sane_exit(); }
int main (int argc, char *argv[]) { if (argc != 2 && argc != 3) { fprintf (stderr, "Usage: %s devicename [hostname]\n", argv[0]); exit (0); } if (argc == 3) { char envbuf[1024]; sprintf (envbuf, "SANE_NET_HOST=%s", argv[2]); putenv (envbuf); } fprintf (stderr, "This is a SANE test application.\n" "Now connecting to device %s.\n", argv[1]); testsane (argv[1]); sane_exit (); return 0; }
void sane_worker( char *command, char *param ) { char *response; if( SANE_STATUS_GOOD != sane_init(NULL, NULL) ) { o_log( ERROR, "Could not start sane"); } // Get a list of scanners if ( command && 0 == strcmp(command, "internalGetScannerList") ) { response = internalGetScannerList( param ); } // Get scanner details (attributes) else if ( command && 0 == strcmp(command, "internalGetScannerDetails") ) { char *deviceid = strtok(o_strdup(param), ","); // device char *lang = strtok( NULL, ","); // lang response = internalGetScannerDetails( deviceid, lang ); free( deviceid ); } // Scan a page else if ( command && 0 == strcmp(command, "internalDoScanningOperation") ) { char *uuid = strtok(o_strdup(param), ","); // uuid char *lang = strtok( NULL, ","); // lang response = internalDoScanningOperation( uuid, lang ); free( uuid ); } else { o_log( ERROR, "Unknown Command"); response = o_strdup("ERROR"); } sane_exit(); // POST RESPONSE ON STDOUT printf("%s", response); free(response); }
/** Function Configs_Modify * @brief oyCMMapi8_s SANE scanner manipulation * * @version Oyranos: 0.1.10 * @since 2009/01/19 (Oyranos: 0.1.10) * @date 2009/08/21 * * \todo { Test } */ int Configs_Modify(oyConfigs_s * devices, oyOptions_s * options) { oyOption_s *version_opt = NULL; oyOption_s *version_opt_dev = NULL; oyConfig_s *device = NULL; int num_devices, g_error = 0; int call_sane_exit = 0; const char *command_list = NULL, *command_properties = NULL; oyAlloc_f allocateFunc = malloc; printf(PRFX "Entering %s(). Options:\n%s", __func__, oyOptions_GetText(options, oyNAME_NICK)); /* "error handling" section */ if (!devices || !oyConfigs_Count(devices)) { SANE_msg(oyMSG_WARN, (oyStruct_s *) options, _DBG_FORMAT_ "\n " "No devices given! Options:\n%s", _DBG_ARGS_, oyOptions_GetText(options, oyNAME_NICK) ); return 1; } /* "help" call section */ if (oyOptions_FindString(options, "command", "help") || !options || !oyOptions_Count(options)) { /** oyMSG_WARN should make shure our message is visible. */ ConfigsFromPatternUsage((oyStruct_s *) options); return 0; } num_devices = oyConfigs_Count(devices); command_list = oyOptions_FindString(options, "command", "list"); command_properties = oyOptions_FindString(options, "command", "properties"); /* Now we get some options [IN], and we already have some devices with * possibly already assigned options. Those provided through the input * oyOptions_s should take presedence over ::data & ::backend_core ones. * OTOH, all device_* options have a 1-1 relationship meaning if * one changes, probably all other should. So the simplest [naive] approach * would be to ignore all device_* options [IN] that are already in device. * Except from driver_version which has a special meaning. */ /* Handle "driver_version" option [IN] */ /* Check the first device to see if a positive driver_version is provided. */ /* If not, consult the input options */ device = oyConfigs_Get(devices, 0); version_opt_dev = oyConfig_Find(device, "driver_version"); if (version_opt_dev && oyOption_GetValueInt(version_opt_dev, 0) > 0) call_sane_exit = 0; else check_driver_version(options, &version_opt, &call_sane_exit); oyConfig_Release(&device); oyOption_Release(&version_opt_dev); if (command_list) { /* "list" call section */ int i; for (i = 0; i < num_devices; ++i) { const SANE_Device *device_context = NULL; SANE_Status status = SANE_STATUS_INVAL; oyOption_s *name_opt_dev = NULL, *handle_opt_dev = NULL, *context_opt_dev = NULL; const char *sane_name = NULL, *sane_model = NULL; int error = 0; device = oyConfigs_Get(devices, i); if(oyOptions_Count(*oyConfig_GetOptions(device,"backend_core"))) printf(PRFX "Backend core:\n%s", oyOptions_GetText(*oyConfig_GetOptions(device,"backend_core"), oyNAME_NICK)); if(oyOptions_Count(*oyConfig_GetOptions(device,"data"))) printf(PRFX "Data:\n%s", oyOptions_GetText(*oyConfig_GetOptions(device,"data"), oyNAME_NICK)); /*Ignore device without a device_name*/ if (!oyOptions_FindString(*oyConfig_GetOptions(device,"backend_core"), "device_name", NULL)) { SANE_msg(oyMSG_WARN, (oyStruct_s *) options, _DBG_FORMAT_ ": %s\n", _DBG_ARGS_, "The \"device_name\" is missing from config object!"); oyConfig_Release(&device); g_error++; continue; } /*Handle "driver_version" option [OUT] */ version_opt_dev = oyConfig_Find(device, "driver_version"); if (!version_opt_dev && version_opt) oyOptions_MoveIn(*oyConfig_GetOptions(device,"backend_core"), &version_opt, -1); oyOption_Release(&version_opt_dev); /*Handle "device_context" option */ /*This is always provided by Configs_FromPattern() * [or should be alternatively by the user]. * Configs_Modify() will not scan for SANE devices * because it takes too long*/ context_opt_dev = oyConfig_Find(device, "device_context"); if (!context_opt_dev) { SANE_msg(oyMSG_WARN, (oyStruct_s *) options, _DBG_FORMAT_ ": %s\n", _DBG_ARGS_, "The \"device_context\" option is missing!"); error = g_error = 1; } if (!error) { device_context = (SANE_Device*)oyOption_GetData(context_opt_dev, NULL, allocateFunc); sane_name = device_context->name; sane_model = device_context->model; } /*Handle "oyNAME_NAME" option */ name_opt_dev = oyConfig_Find(device, "oyNAME_NAME"); if (!error && !name_opt_dev && oyOptions_Find(options, "oyNAME_NAME", oyNAME_PATTERN)) oyOptions_SetFromString(oyConfig_GetOptions(device,"backend_core"), CMM_BASE_REG OY_SLASH "oyNAME_NAME", sane_model, OY_CREATE_NEW); /*Handle "device_handle" option */ handle_opt_dev = oyConfig_Find(device, "device_handle"); if (!error && !handle_opt_dev) { oyPointer_s *handle_ptr = NULL; SANE_Handle h; status = sane_open(sane_name, &h); if (status == SANE_STATUS_GOOD) { handle_ptr = oyPointer_New(0); oyPointer_Set(handle_ptr, "SANE", "handle", (oyPointer)h, "sane_release_handle", sane_release_handle); oyOptions_MoveInStruct(oyConfig_GetOptions(device,"data"), CMM_BASE_REG OY_SLASH "device_handle", (oyStruct_s **) &handle_ptr, OY_CREATE_NEW); } else printf(PRFX "Unable to open sane device \"%s\": %s\n", sane_name, sane_strstatus(status)); } /*Create static rank_map, if not already there*/ if (!oyConfig_GetRankMap( device)) oyConfig_SetRankMap( device, _api8.rank_map ); /*Cleanup*/ oyConfig_Release(&device); oyOption_Release(&context_opt_dev); oyOption_Release(&name_opt_dev); oyOption_Release(&handle_opt_dev); } } else if (command_properties) { /* "properties" call section */ int i; /*Return a full list of scanner H/W & * SANE driver S/W color options * with the according rank map */ for (i = 0; i < num_devices; ++i) { SANE_Device *device_context = NULL; SANE_Status status = SANE_STATUS_INVAL; SANE_Handle device_handle; oyOption_s *name_opt_dev = NULL, *handle_opt_dev = NULL, *context_opt_dev = NULL; oyConfig_s *device_new = NULL; char *device_name = NULL; /* All previous device properties are considered obsolete * and a new device is created. Basic options are moved from * the old to new device */ device = oyConfigs_Get(devices, i); device_new = oyConfig_FromRegistration(CMM_BASE_REG, 0); printf(PRFX "Backend core:\n%s", oyOptions_GetText(*oyConfig_GetOptions(device,"backend_core"), oyNAME_NICK)); printf(PRFX "Data:\n%s", oyOptions_GetText(*oyConfig_GetOptions(device,"data"), oyNAME_NICK)); /*Ignore device without a device_name*/ if (!oyOptions_FindString(*oyConfig_GetOptions(device,"backend_core"), "device_name", NULL)) { SANE_msg(oyMSG_WARN, (oyStruct_s *) options, _DBG_FORMAT_ ": %s\n", _DBG_ARGS_, "The \"device_name\" is NULL, or missing from config object!"); oyConfig_Release(&device); oyConfig_Release(&device_new); g_error++; continue; } /*Handle "driver_version" option [OUT] */ if (version_opt) { oyOption_s *tmp = oyOption_Copy(version_opt, 0); oyOptions_MoveIn(*oyConfig_GetOptions(device_new,"backend_core"), &tmp, -1); } /* 1. Get the "device_name" from old device */ name_opt_dev = oyConfig_Find(device, "device_name"); device_name = oyOption_GetValueText(name_opt_dev, allocateFunc); oyOptions_MoveIn(*oyConfig_GetOptions(device_new,"backend_core"), &name_opt_dev, -1); /* 2. Get the "device_context" from old device */ /* It should be there, see "list" call above */ context_opt_dev = oyConfig_Find(device, "device_context"); if (context_opt_dev) { device_context = (SANE_Device*)oyOption_GetData(context_opt_dev, NULL, allocateFunc); if (device_context) { oyOptions_MoveIn(*oyConfig_GetOptions(device_new,"data"), &context_opt_dev, -1); } else { SANE_msg(oyMSG_WARN, (oyStruct_s *) options, _DBG_FORMAT_ ": %s\n", _DBG_ARGS_, "The \"device_context\" is NULL!"); oyOption_Release(&context_opt_dev); g_error++; } } else { SANE_msg(oyMSG_WARN, (oyStruct_s *) options, _DBG_FORMAT_ ": %s\n", _DBG_ARGS_, "The \"device_context\" option is missing!"); g_error++; } /* 3. Get the scanner H/W properties from old device */ /* FIXME: we only recompute them, just in case they are not in old device */ if (device_context) { DeviceInfoFromContext_(device_context, oyConfig_GetOptions(device_new,"backend_core")); } /* 4. Get the "device_handle" from old device */ /* If not there, get one from SANE */ handle_opt_dev = oyConfig_Find(device, "device_handle"); if (handle_opt_dev) { oyPointer_s * oy_struct = (oyPointer_s*)oyOption_GetStruct( handle_opt_dev, oyOBJECT_POINTER_S ); device_handle = (SANE_Handle)oyPointer_GetPointer(oy_struct); oyPointer_Release( &oy_struct ); oyOptions_MoveIn(*oyConfig_GetOptions(device_new,"data"), &handle_opt_dev, -1); } else { printf(PRFX "Opening sane device \"%s\"..", device_name); fflush(NULL); status = sane_open( device_name, &device_handle ); if (status != SANE_STATUS_GOOD) printf("[FAIL: %s]\n", sane_strstatus(status)); else printf("[OK]\n"); } if (handle_opt_dev || status == SANE_STATUS_GOOD) { /* Use the device_handle to get the device color options */ ColorInfoFromHandle(device_handle, oyConfig_GetOptions(device_new,"backend_core")); /*5. Set the rank map*/ oyConfig_SetRankMap( device_new, _api8.rank_map ); } /*Cleanup*/ /* Remove old, add new device */ oyConfig_Release(&device); oyConfigs_ReleaseAt(devices, i); oyConfigs_MoveIn(devices, &device_new, -1); /*If we had to open a SANE device, we'll have to close it*/ if (status == SANE_STATUS_GOOD) { printf(PRFX "sane_close(%s)\n", device_name); sane_close(device_handle); } free(device_context); free(device_name); } } else { /*unsupported, wrong or no command */ SANE_msg(oyMSG_WARN, (oyStruct_s *) options, _DBG_FORMAT_ "\n " "No supported commands in options:\n%s", _DBG_ARGS_, oyOptions_GetText(options, oyNAME_NICK) ); ConfigsFromPatternUsage((oyStruct_s *) options); g_error = 1; } /*Cleanup*/ if (call_sane_exit) { printf(PRFX "sane_exit()\n"); sane_exit(); } oyOption_Release(&version_opt); printf(PRFX "Leaving %s\n", __func__); return g_error; }
/** Function Configs_FromPattern * @brief CMM_NICK oyCMMapi8_s scanner devices * * @param[in] registration a string to compare ?????? * @param[in] options read what to do from the options object * @param[out] s Return a configuration for each device found * * @version Oyranos: 0.1.10 * @since 2009/01/19 (Oyranos: 0.1.10) * @date 2009/02/09 */ int Configs_FromPattern(const char *registration, oyOptions_s * options, oyConfigs_s ** s) { oyConfig_s *device = NULL; oyConfigs_s *devices = NULL; oyOption_s *context_opt = NULL, *handle_opt = NULL, *version_opt = NULL, *name_opt = NULL; int i, num_devices, g_error = 0, status, call_sane_exit = 0; const char *device_name = 0, *command_list = 0, *command_properties = 0; const SANE_Device **device_list = NULL; int rank; oyAlloc_f allocateFunc = malloc; printf(PRFX "Entering %s(). Options:\n%s", __func__, oyOptions_GetText(options, oyNAME_NICK)); rank = oyFilterRegistrationMatch(_api8.registration, registration, oyOBJECT_CMM_API8_S); command_list = oyOptions_FindString(options, "command", "list"); command_properties = oyOptions_FindString(options, "command", "properties"); device_name = oyOptions_FindString(options, "device_name", 0); /* "error handling" section */ if (rank == 0) { SANE_msg(oyMSG_WARN, (oyStruct_s *) options, _DBG_FORMAT_ "\n " "Registration match Failed. Options:\n%s", _DBG_ARGS_, oyOptions_GetText(options, oyNAME_NICK)); return 1; } if (s == NULL) { SANE_msg(oyMSG_WARN, (oyStruct_s *) options, _DBG_FORMAT_ "\n " "oyConfigs_s is NULL! Options:\n%s", _DBG_ARGS_, oyOptions_GetText(options, oyNAME_NICK)); return 1; } if (*s != NULL) { SANE_msg(oyMSG_WARN, (oyStruct_s *) options, _DBG_FORMAT_ "\n " "Devices struct already present! Options:\n%s", _DBG_ARGS_, oyOptions_GetText(options, oyNAME_NICK)); return 1; } if (!device_name && command_properties) { SANE_msg(oyMSG_WARN, (oyStruct_s *) options, _DBG_FORMAT_ "\n " "Device_name is mandatory for properties command:\n%s", _DBG_ARGS_, oyOptions_GetText(options, oyNAME_NICK)); return 1; } /* "help" call section */ if (oyOptions_FindString(options, "command", "help") || !options || !oyOptions_Count(options)) { /** oyMSG_WARN should make shure our message is visible. */ ConfigsFromPatternUsage((oyStruct_s *) options); return 0; } context_opt = oyOptions_Find(options, "device_context", oyNAME_PATTERN); handle_opt = oyOptions_Find(options, "device_handle", oyNAME_PATTERN); name_opt = oyOptions_Find(options, "oyNAME_NAME", oyNAME_PATTERN); /*Handle "driver_version" option [IN] */ check_driver_version(options, &version_opt, &call_sane_exit); devices = oyConfigs_New(0); if (command_list) { /* "list" call section */ if (device_name && /*If a user provides a device_name option,*/ !context_opt && /*and does not need the device_context data,*/ !name_opt /*or the oyNAME_NAME description*/ ) num_devices = 1; /*then we can get away without calling GetDevices()*/ else if (GetDevices(&device_list, &num_devices) != 0) { num_devices = 0; /*So that for loop will not run*/ ++g_error; } for (i = 0; i < num_devices; ++i) { int error = 0; const char *sane_name = NULL, *sane_model = NULL; if (device_list) { sane_name = device_list[i]->name; sane_model = device_list[i]->model; } else { sane_name = device_name; } /*Handle "device_name" option [IN] */ if (device_name && /*device_name is provided*/ sane_name && /*and sane_name has been retrieved*/ strcmp(device_name, sane_name) != 0) /*and they don't match,*/ continue; /*then try the next*/ device = oyConfig_FromRegistration(CMM_BASE_REG, 0); /*Handle "driver_version" option [OUT] */ if (version_opt) { oyOption_s * tmp = oyOption_Copy(version_opt, 0); oyOptions_MoveIn(*oyConfig_GetOptions(device,"backend_core"), &tmp, -1); } /*Handle "device_name" option [OUT] */ oyOptions_SetFromString(oyConfig_GetOptions(device,"backend_core"), CMM_BASE_REG OY_SLASH "device_name", sane_name, OY_CREATE_NEW); /*Handle "oyNAME_NAME" option */ if (name_opt) oyOptions_SetFromString(oyConfig_GetOptions(device,"backend_core"), CMM_BASE_REG OY_SLASH "oyNAME_NAME", sane_model, OY_CREATE_NEW); /*Handle "device_context" option */ /* SANE Backend protocol states that device_context is *always* returned * This is a slight variation: Only when GetDevices() is called will it be returned, * unless we call sane_exit*/ if (device_list && !call_sane_exit) { oyBlob_s *context_blob = oyBlob_New(NULL); oyOption_s *context_opt = oyOption_FromRegistration( CMM_BASE_REG OY_SLASH "device_context", 0); oyBlob_SetFromData(context_blob, (oyPointer) device_list[i], sizeof(SANE_Device), "sane"); oyOption_MoveInStruct(context_opt, (oyStruct_s **) & context_blob); oyOptions_MoveIn(*oyConfig_GetOptions(device,"data"), &context_opt, -1); } /*Handle "device_handle" option */ if (handle_opt && !call_sane_exit) { oyPointer_s *handle_ptr = NULL; SANE_Handle h; status = sane_open(sane_name, &h); if (status == SANE_STATUS_GOOD) { handle_ptr = oyPointer_New(0); oyPointer_Set(handle_ptr, "SANE", "handle", (oyPointer)h, "sane_release_handle", sane_release_handle); oyOptions_MoveInStruct(oyConfig_GetOptions(device,"data"), CMM_BASE_REG OY_SLASH "device_handle", (oyStruct_s **) &handle_ptr, OY_CREATE_NEW); } else printf(PRFX "Unable to open sane device \"%s\": %s\n", sane_name, sane_strstatus(status)); } oyConfig_SetRankMap( device, _api8.rank_map ); error = oyConfigs_MoveIn(devices, &device, -1); /*Cleanup*/ if (error) { oyConfig_Release(&device); ++g_error; } } *s = devices; } else if (command_properties) { /* "properties" call section */ const SANE_Device *device_context = NULL; SANE_Device *aux_context = NULL; SANE_Handle device_handle = NULL; /*Return a full list of scanner H/W & * SANE driver S/W color options * with the according rank map */ device = oyConfig_FromRegistration(CMM_BASE_REG, 0); /*Handle "driver_version" option [OUT] */ if (version_opt) { oyOption_s *tmp = oyOption_Copy(version_opt, 0); oyOptions_MoveIn(*oyConfig_GetOptions(device,"backend_core"), &tmp, -1); } /*1a. Get the "device_context"*/ if (!context_opt) { /*we'll have to get it ourselves*/ if (GetDevices(&device_list, &num_devices) == 0) { device_context = *device_list; while (device_context) { if(device_name && device_context->name && strcmp(device_name,device_context->name) == 0) break; device_context++; } if (!device_context) { printf(PRFX "device_name does not match any installed device.\n"); g_error++; } } else { g_error++; } } else { aux_context = (SANE_Device*)oyOption_GetData(context_opt, NULL, allocateFunc); device_context = aux_context; } /*1b. Use the "device_context"*/ if (device_context) DeviceInfoFromContext_(device_context, oyConfig_GetOptions(device,"backend_core")); /*2a. Get the "device_handle"*/ if (!handle_opt) { status = sane_open( device_name, &device_handle ); if (status != SANE_STATUS_GOOD) { printf(PRFX "Unable to open sane device \"%s\": %s\n", device_name, sane_strstatus(status)); g_error++; } } else { oyPointer_s * oy_struct = (oyPointer_s*) oyOption_GetStruct( handle_opt, oyOBJECT_POINTER_S ); device_handle = (SANE_Handle)oyPointer_GetPointer(oy_struct); oyPointer_Release( &oy_struct ); } if (device_handle) { /*2b. Use the "device_handle"*/ ColorInfoFromHandle(device_handle, oyConfig_GetOptions(device,"backend_core")); /*3. Set the rank map*/ oyConfig_SetRankMap( device, _api8.rank_map ); } oyConfigs_MoveIn(devices, &device, -1); /*Cleanup*/ free(aux_context); *s = devices; } else { /*unsupported, wrong or no command */ SANE_msg(oyMSG_WARN, (oyStruct_s *) options, _DBG_FORMAT_ "\n " "No supported commands in options:\n%s", _DBG_ARGS_, oyOptions_GetText(options, oyNAME_NICK) ); ConfigsFromPatternUsage((oyStruct_s *) options); g_error = 1; } /*Global Cleanup*/ if (call_sane_exit) { printf(PRFX "sane_exit()\n"); sane_exit(); } oyOption_Release(&context_opt); oyOption_Release(&handle_opt); oyOption_Release(&version_opt); oyOption_Release(&name_opt ); printf(PRFX "Leaving %s\n", __func__); return g_error; }
static void* sane_idainit(FILE *fp, char *filename, unsigned int page, struct ida_image_info *info, int thumbnail) { const SANE_Option_Descriptor *opt; SANE_Int flags, count; struct sane_state *h; int rc,i,value,dpi = 0; h = malloc(sizeof(*h)); memset(h,0,sizeof(*h)); if (SANE_STATUS_GOOD != (rc = sane_init(NULL,NULL))) { fprintf(stderr,"sane_init: %s\n",sane_strstatus(rc)); goto oops; } if (SANE_STATUS_GOOD != (rc = sane_open(filename,&h->sane))) { fprintf(stderr,"sane_open: %s\n",sane_strstatus(rc)); goto oops; } /* set options */ opt = sane_get_option_descriptor(h->sane,0); rc = sane_control_option(h->sane, 0, SANE_ACTION_GET_VALUE, &count, &flags); for (i = 1; i < count; i++) { opt = sane_get_option_descriptor(h->sane,i); if (opt->name && 0 == strcmp(opt->name,SANE_NAME_SCAN_TL_X)) { value = opt->constraint.range->min; sane_control_option(h->sane, i, SANE_ACTION_SET_VALUE, &value, &flags); } else if (opt->name && 0 == strcmp(opt->name,SANE_NAME_SCAN_TL_Y)) { value = opt->constraint.range->min; sane_control_option(h->sane, i, SANE_ACTION_SET_VALUE, &value, &flags); } else if (opt->name && 0 == strcmp(opt->name,SANE_NAME_SCAN_BR_X)) { value = opt->constraint.range->max; sane_control_option(h->sane, i, SANE_ACTION_SET_VALUE, &value, &flags); } else if (opt->name && 0 == strcmp(opt->name,SANE_NAME_SCAN_BR_Y)) { value = opt->constraint.range->max; sane_control_option(h->sane, i, SANE_ACTION_SET_VALUE, &value, &flags); } else if (opt->name && 0 == strcmp(opt->name,SANE_NAME_PREVIEW)) { value = SANE_FALSE; sane_control_option(h->sane, i, SANE_ACTION_SET_VALUE, &value, &flags); } else if (opt->cap & SANE_CAP_AUTOMATIC) sane_control_option(h->sane, i, SANE_ACTION_SET_AUTO, NULL, &flags); if (opt->name && 0 == strcmp(opt->name,SANE_NAME_SCAN_RESOLUTION)) { if (sane_res) { dpi = sane_res; sane_control_option(h->sane, i, SANE_ACTION_SET_VALUE, &dpi, &flags); } sane_control_option(h->sane, i, SANE_ACTION_GET_VALUE, &dpi, &flags); } if (debug) dump_desc(h->sane,i,opt); } if (SANE_STATUS_GOOD != (rc = sane_start(h->sane))) { fprintf(stderr,"sane_start: %s\n",sane_strstatus(rc)); goto oops; } h->started = 1; if (SANE_STATUS_GOOD != (rc = sane_get_parameters(h->sane,&h->parm))) { fprintf(stderr,"sane_get_parameters: %s\n",sane_strstatus(rc)); goto oops; } if (h->parm.format != SANE_FRAME_GRAY && h->parm.format != SANE_FRAME_RGB) { fprintf(stderr,"sane: unsupported frame format (%d)\n",h->parm.format); goto oops; } if (h->parm.depth != 8) { fprintf(stderr,"sane: unsupported color depth (%d)\n",h->parm.depth); goto oops; } if (-1 == h->parm.lines) { fprintf(stderr,"sane: can't handle unknown image size\n"); goto oops; } info->width = h->parm.pixels_per_line; info->height = h->parm.lines; if (dpi) info->dpi = dpi; h->buf = malloc(h->parm.bytes_per_line * BUF_LINES); if (debug) fprintf(stderr,"sane: scanning %dx%d %s\n",info->width,info->height, (h->parm.format == SANE_FRAME_GRAY) ? "gray" : "color"); return h; oops: if (h->buf) free(h->buf); if (h->started) sane_cancel(h->sane); if (h->sane) sane_close(h->sane); sane_exit(); free(h); return NULL; }