extern int setDefaultScannerOption(SANE_Handle *devHandle, const SANE_Option_Descriptor *sod, int option ) {
if ( sod->cap & SANE_CAP_AUTOMATIC ) {
int paramSetRet;
int status = control_option (devHandle, sod, option, SANE_ACTION_SET_AUTO, NULL, ¶mSetRet);
if(status == SANE_STATUS_GOOD) {
handleSaneErrors("Cannot set automatically", status, paramSetRet);
//updateScanProgress(uuid, SCAN_ERRO_FROM_SCANNER, status);
return 1;
}
}
return 0;
}
int setOptions( char *uuid, SANE_Handle *openDeviceHandle, int *request_resolution ) {
int option = 0;
SANE_Status status;
SANE_Fixed v_f;
SANE_Int v_i;
SANE_Bool v_b;
char *v_c;
//const char *modes[] = { SANE_VALUE_SCAN_MODE_COLOR, SANE_VALUE_SCAN_MODE_GRAY, "Grayscale", NULL };
const char *modes_colour[] = { SANE_VALUE_SCAN_MODE_COLOR, "Color", SANE_VALUE_SCAN_MODE_GRAY, "Grayscale", NULL };
const char *modes_gray[] = { SANE_VALUE_SCAN_MODE_GRAY, "Grayscale", NULL };
const char *speeds[] = { "Auto", "Normal", "Fast", NULL };
const char *compression[] = { "None", NULL };
const char *sources[] = { "Auto", SANE_I18N ("Auto"), "Flatbed", SANE_I18N ("Flatbed"),
"FlatBed", "Normal", SANE_I18N ("Normal"), NULL };
int testScanner = 0;
char *devName = getScanParam(uuid, SCAN_PARAM_DEVNAME);
if ( strstr(devName, "test") != 0 ) {
testScanner = 1;
}
free(devName);
for (option = 0; option < 9999; option++) {
const SANE_Option_Descriptor *sod = sane_get_option_descriptor (openDeviceHandle, option);
// No more options
if (sod == NULL)
break;
// Just a placeholder
if (sod->type == SANE_TYPE_GROUP
|| sod->name == NULL
|| option == 0)
continue;
log_option( option, sod );
// Validation
if ( (sod->cap & SANE_CAP_SOFT_SELECT) && (sod->cap & SANE_CAP_HARD_SELECT) ) {
o_log(DEBUGM, "The backend said that '%s' is both hardward and software settable! Err", sod->name);
updateScanProgress(uuid, SCAN_ERRO_FROM_SCANNER, 0);
return 0;
}
// we MUST set this value
if ( (sod->cap & SANE_CAP_SOFT_DETECT) && ((sod->cap & SANE_CAP_INACTIVE) == 0) ) {
// A hardware setting
if ( sod->cap & SANE_CAP_HARD_SELECT ) {
o_log(DEBUGM, "We've got no way of telling the user to set the hardward %s! Err", sod->name);
}
// a software setting
else {
int paramSetRet = 0;
// Set scanning Source
if ( strcmp(sod->name, SANE_NAME_SCAN_SOURCE) == 0 ) {
if ( !setDefaultScannerOption(openDeviceHandle, sod, option, ¶mSetRet) ) {
int i, j;
int foundMatch = 0;
for (i = 0; sources[i] != NULL; i++) {
for (j = 0; sod->constraint.string_list[j]; j++) {
if (strcmp (sources[i], sod->constraint.string_list[j]) == 0)
break;
}
if (sod->constraint.string_list[j] != NULL) {
v_c = o_strdup(sources[i]);
status = control_option (openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, (void *)v_c, ¶mSetRet);
free(v_c);
foundMatch = 1;
break;
}
}
if( foundMatch == 0 ) {
o_log(DEBUGM, "Non of the available options are appropriate.");
}
}
}
// Set scanning mode
else if ( strcmp(sod->name, SANE_NAME_SCAN_MODE ) == 0 ) {
const char **modes;
char *requested_mode = getScanParam(uuid, SCAN_PARAM_FORMAT );
if( 0 == strcmp( "colour", requested_mode ) ) {
modes = modes_colour;
}
else {
modes = modes_gray;
}
free( requested_mode );
int i, j;
int foundMatch = 0;
for (i = 0; modes[i] != NULL; i++) {
for (j = 0; sod->constraint.string_list[j]; j++) {
if (strcmp (modes[i], sod->constraint.string_list[j]) == 0)
break;
}
if (sod->constraint.string_list[j] != NULL) {
v_c = o_strdup(modes[i]);
status = control_option (openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, (void *)v_c, ¶mSetRet);
free(v_c);
foundMatch = 1;
break;
}
}
if( foundMatch == 0 ) {
o_log(DEBUGM, "Non of the available options are appropriate.");
}
}
else if ( strcmp(sod->name, "batch-scan" ) == 0 ) {
v_b = SANE_FALSE;
status = control_option(openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_b, ¶mSetRet);
}
else if ( strcmp(sod->name, "compression") == 0 ) {
int i, j;
int foundMatch = 0;
for (i = 0; compression[i] != NULL; i++) {
for (j = 0; sod->constraint.string_list[j]; j++) {
o_log(DEBUGM, "n list: %s", sod->constraint.string_list[j]);
if (strcmp (compression[i], sod->constraint.string_list[j]) == 0)
break;
}
if (sod->constraint.string_list[j] != NULL) {
o_log(DEBUGM, "Attempting to set compresstion to: %s", compression[i]);
v_c = o_strdup(compression[i]);
status = control_option (openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, (void *)v_c, ¶mSetRet);
free(v_c);
foundMatch = 1;
break;
}
}
if( foundMatch == 0 ) {
o_log(DEBUGM, "Non of the available options are appropriate.");
}
}
// Set scanning depth
else if ( strcmp(sod->name, SANE_NAME_BIT_DEPTH) == 0 ) {
if ( !setDefaultScannerOption(openDeviceHandle, sod, option, ¶mSetRet) ) {
if( sod->type == SANE_TYPE_STRING ) {
v_c = o_strdup("8");
status = control_option (openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, (void *)v_c, ¶mSetRet);
free(v_c);
}
if (sod->type == SANE_TYPE_FIXED) {
v_f = SANE_FIX( 8 );
status = control_option (openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_f, ¶mSetRet);
}
else {
v_i = 8;
status = control_option (openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_i, ¶mSetRet);
}
}
}
// Set Preview mode
else if ( strcmp(sod->name, SANE_NAME_PREVIEW) == 0 ) {
if ( !setDefaultScannerOption(openDeviceHandle, sod, option, ¶mSetRet) ) {
v_b = SANE_FALSE;
status = control_option (openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_b, ¶mSetRet);
}
}
// Set scanning resolution
else if ( strcmp(sod->name, SANE_NAME_SCAN_RESOLUTION) == 0 ) {
char *request_resolution_s;
request_resolution_s = getScanParam(uuid, SCAN_PARAM_REQUESTED_RESOLUTION);
*request_resolution = atoi(request_resolution_s);
free(request_resolution_s);
if (sod->type == SANE_TYPE_FIXED) {
v_f = SANE_FIX( *request_resolution );
status = control_option (openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_f, ¶mSetRet);
}
else if (sod->type == SANE_TYPE_INT) {
int sane_resolution = *request_resolution;
status = control_option (openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &sane_resolution, ¶mSetRet);
}
else {
int sane_resolution = *request_resolution;
if( sod->constraint.range->quant != 0 )
sane_resolution = sane_resolution * sod->constraint.range->quant;
status = control_option (openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &sane_resolution, ¶mSetRet);
}
}
else if ( strcmp(sod->name, SANE_NAME_SCAN_TL_Y) == 0 ) {
v_f = sod->constraint.range->min;
status = control_option (openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_f, ¶mSetRet);
}
else if ( strcmp(sod->name, SANE_NAME_SCAN_TL_X) == 0 ) {
v_f = sod->constraint.range->min;
status = control_option (openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_f, ¶mSetRet);
}
else if ( strcmp(sod->name, SANE_NAME_SCAN_BR_Y) == 0 ) {
int pagelength;
char *length_s;
v_f = sod->constraint.range->max;
length_s = getScanParam(uuid, SCAN_PARAM_LENGTH);
pagelength = atoi(length_s);
if(pagelength && pagelength >= 20 && pagelength < 100)
v_f = SANE_FIX( ( SANE_UNFIX(v_f) * (double)pagelength) / 100);
free(length_s);
status = control_option (openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_f, ¶mSetRet);
}
else if ( strcmp(sod->name, SANE_NAME_SCAN_BR_X) == 0 ) {
v_f = sod->constraint.range->max;
status = control_option (openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_f, ¶mSetRet);
}
else if ( strcmp(sod->name, SANE_NAME_BRIGHTNESS) == 0 ) {
v_f = 0;
status = control_option (openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_f, ¶mSetRet);
}
else if ( strcmp(sod->name, SANE_NAME_CONTRAST) == 0 ) {
v_f = 0;
status = control_option (openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_f, ¶mSetRet);
}
else if ( strcmp(sod->name, SANE_NAME_SCAN_SPEED) == 0) {
if ( !setDefaultScannerOption(openDeviceHandle, sod, option, ¶mSetRet) ) {
int i, j;
int foundMatch = 0;
for (i = 0; speeds[i] != NULL; i++) {
for (j = 0; sod->constraint.string_list[j]; j++) {
if (strcmp (speeds[i], sod->constraint.string_list[j]) == 0)
break;
}
if (sod->constraint.string_list[j] != NULL) {
v_c = o_strdup(speeds[i]);
status = control_option (openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, (void *)v_c, ¶mSetRet);
free(v_c);
foundMatch = 1;
break;
}
}
if( foundMatch == 0 ) {
o_log(DEBUGM, "Non of the available options are appropriate.");
}
}
}
else if ( strcmp(sod->name, "custom-gamma") == 0 ) {
v_b = SANE_FALSE;
status = control_option(openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_b, ¶mSetRet);
}
// For the test 'virtual scanner'
else if (testScanner == 1) {
if ( strcmp(sod->name, "hand-scanner" ) == 0 ) {
v_b = SANE_FALSE;
status = control_option(openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_b, ¶mSetRet);
}
else if ( strcmp(sod->name, "three-pass") == 0 ){
v_b = SANE_FALSE;
status = control_option(openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_b, ¶mSetRet);
}
else if ( strcmp(sod->name, "three-pass-order") == 0 ) {
status = control_option(openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, "RGB", ¶mSetRet);
}
else if ( strcmp(sod->name, "test-raw_imageture") == 0 ) {
status = control_option(openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, "Color pattern", ¶mSetRet);
}
else if ( strcmp(sod->name, "read-delay") == 0 ) {
v_b = SANE_TRUE;
status = control_option(openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_b, ¶mSetRet);
}
else if ( strcmp(sod->name, "fuzzy-parameters") == 0 ) {
v_b = SANE_TRUE;
status = control_option(openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_b, ¶mSetRet);
}
else if ( strcmp(sod->name, "read-delay-duration") == 0 ) {
v_i = 1000;
status = control_option(openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_i, ¶mSetRet);
}
else if ( strcmp(sod->name, "read-limit") == 0 ) {
v_b = SANE_TRUE;
status = control_option(openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_b, ¶mSetRet);
}
else if ( strcmp(sod->name, "read-limit-size") == 0 ) {
v_i = sod->constraint.range->max;
status = control_option(openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_i, ¶mSetRet);
}
else if ( strcmp(sod->name, "read-return-value") == 0 ) {
status = control_option(openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, "Default", ¶mSetRet);
}
else if ( strcmp(sod->name, "ppl-loss") == 0 ) {
v_i = 0;
status = control_option(openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_i, ¶mSetRet);
}
else if ( strcmp(sod->name, "invert-endianess") == 0 ) {
v_b = SANE_FALSE;
status = control_option(openDeviceHandle, sod, option, SANE_ACTION_SET_VALUE, &v_b, ¶mSetRet);
}
}
// not a 'well known' option
else {
// try setting automatically
if ( !setDefaultScannerOption(openDeviceHandle, sod, option, ¶mSetRet) )
o_log(DEBUGM, "Could not set authmatically", sod->name);
}
if( status != SANE_STATUS_GOOD ) {
handleSaneErrors("Cannot set no to", sod->name, status, paramSetRet);
updateScanProgress(uuid, SCAN_ERRO_FROM_SCANNER, status);
return 0;
}
if ( paramSetRet & SANE_INFO_RELOAD_OPTIONS ) {
//start from the beginning again.
option = 0;
}
} // setable option
}
else {
o_log(DEBUGM, "The option does not need to be set.");
}
} // options loop
return 1;
}