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Sweden-Number/dlls/sane.ds/capability.c

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/*
* Copyright 2000 Corel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "config.h"
#include <stdarg.h>
#include <stdio.h>
#include <math.h>
#include "windef.h"
#include "winbase.h"
#include "twain.h"
#include "sane_i.h"
#include "winnls.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(twain);
#ifndef SANE_VALUE_SCAN_MODE_COLOR
#define SANE_VALUE_SCAN_MODE_COLOR SANE_I18N("Color")
#endif
#ifndef SANE_VALUE_SCAN_MODE_GRAY
#define SANE_VALUE_SCAN_MODE_GRAY SANE_I18N("Gray")
#endif
#ifndef SANE_VALUE_SCAN_MODE_LINEART
#define SANE_VALUE_SCAN_MODE_LINEART SANE_I18N("Lineart")
#endif
static TW_UINT16 get_onevalue(pTW_CAPABILITY pCapability, TW_UINT16 *type, TW_UINT32 *value)
{
if (pCapability->hContainer)
{
pTW_ONEVALUE pVal = GlobalLock (pCapability->hContainer);
if (pVal)
{
*value = pVal->Item;
if (type)
*type = pVal->ItemType;
GlobalUnlock (pCapability->hContainer);
return TWCC_SUCCESS;
}
}
return TWCC_BUMMER;
}
static TW_UINT16 set_onevalue(pTW_CAPABILITY pCapability, TW_UINT16 type, TW_UINT32 value)
{
pCapability->hContainer = GlobalAlloc (0, sizeof(TW_ONEVALUE));
if (pCapability->hContainer)
{
pTW_ONEVALUE pVal = GlobalLock (pCapability->hContainer);
if (pVal)
{
pCapability->ConType = TWON_ONEVALUE;
pVal->ItemType = type;
pVal->Item = value;
GlobalUnlock (pCapability->hContainer);
return TWCC_SUCCESS;
}
}
return TWCC_LOWMEMORY;
}
static TW_UINT16 msg_set(pTW_CAPABILITY pCapability, TW_UINT32 *val)
{
if (pCapability->ConType == TWON_ONEVALUE)
return get_onevalue(pCapability, NULL, val);
FIXME("Partial Stub: MSG_SET only supports TW_ONEVALUE\n");
return TWCC_BADCAP;
}
static TW_UINT16 msg_get_enum(pTW_CAPABILITY pCapability, const TW_UINT32 *values, int value_count,
TW_UINT16 type, TW_UINT32 current, TW_UINT32 default_value)
{
TW_ENUMERATION *enumv = NULL;
TW_UINT32 *p32;
TW_UINT16 *p16;
int i;
pCapability->ConType = TWON_ENUMERATION;
pCapability->hContainer = 0;
if (type == TWTY_INT16 || type == TWTY_UINT16)
pCapability->hContainer = GlobalAlloc (0, FIELD_OFFSET( TW_ENUMERATION, ItemList[value_count * sizeof(TW_UINT16)]));
if (type == TWTY_INT32 || type == TWTY_UINT32)
pCapability->hContainer = GlobalAlloc (0, FIELD_OFFSET( TW_ENUMERATION, ItemList[value_count * sizeof(TW_UINT32)]));
if (pCapability->hContainer)
enumv = GlobalLock(pCapability->hContainer);
if (! enumv)
return TWCC_LOWMEMORY;
enumv->ItemType = type;
enumv->NumItems = value_count;
p16 = (TW_UINT16 *) enumv->ItemList;
p32 = (TW_UINT32 *) enumv->ItemList;
for (i = 0; i < value_count; i++)
{
if (values[i] == current)
enumv->CurrentIndex = i;
if (values[i] == default_value)
enumv->DefaultIndex = i;
if (type == TWTY_INT16 || type == TWTY_UINT16)
p16[i] = values[i];
if (type == TWTY_INT32 || type == TWTY_UINT32)
p32[i] = values[i];
}
GlobalUnlock(pCapability->hContainer);
return TWCC_SUCCESS;
}
#ifdef SONAME_LIBSANE
static TW_UINT16 msg_get_range(pTW_CAPABILITY pCapability, TW_UINT16 type,
TW_UINT32 minval, TW_UINT32 maxval, TW_UINT32 step, TW_UINT32 def, TW_UINT32 current)
{
TW_RANGE *range = NULL;
pCapability->ConType = TWON_RANGE;
pCapability->hContainer = 0;
pCapability->hContainer = GlobalAlloc (0, sizeof(*range));
if (pCapability->hContainer)
range = GlobalLock(pCapability->hContainer);
if (! range)
return TWCC_LOWMEMORY;
range->ItemType = type;
range->MinValue = minval;
range->MaxValue = maxval;
range->StepSize = step;
range->DefaultValue = def;
range->CurrentValue = current;
GlobalUnlock(pCapability->hContainer);
return TWCC_SUCCESS;
}
#endif
static TW_UINT16 TWAIN_GetSupportedCaps(pTW_CAPABILITY pCapability)
{
TW_ARRAY *a;
static const UINT16 supported_caps[] = { CAP_SUPPORTEDCAPS, CAP_XFERCOUNT, CAP_UICONTROLLABLE,
CAP_AUTOFEED, CAP_FEEDERENABLED,
ICAP_XFERMECH, ICAP_PIXELTYPE, ICAP_UNITS, ICAP_BITDEPTH, ICAP_COMPRESSION, ICAP_PIXELFLAVOR,
ICAP_XRESOLUTION, ICAP_YRESOLUTION, ICAP_PHYSICALHEIGHT, ICAP_PHYSICALWIDTH, ICAP_SUPPORTEDSIZES };
pCapability->hContainer = GlobalAlloc (0, FIELD_OFFSET( TW_ARRAY, ItemList[sizeof(supported_caps)] ));
pCapability->ConType = TWON_ARRAY;
if (pCapability->hContainer)
{
UINT16 *u;
int i;
a = GlobalLock (pCapability->hContainer);
a->ItemType = TWTY_UINT16;
a->NumItems = sizeof(supported_caps) / sizeof(supported_caps[0]);
u = (UINT16 *) a->ItemList;
for (i = 0; i < a->NumItems; i++)
u[i] = supported_caps[i];
GlobalUnlock (pCapability->hContainer);
return TWCC_SUCCESS;
}
else
return TWCC_LOWMEMORY;
}
/* ICAP_XFERMECH */
static TW_UINT16 SANE_ICAPXferMech (pTW_CAPABILITY pCapability, TW_UINT16 action)
{
static const TW_UINT32 possible_values[] = { TWSX_NATIVE, TWSX_MEMORY };
TW_UINT32 val;
TW_UINT16 twCC = TWCC_BADCAP;
TRACE("ICAP_XFERMECH\n");
switch (action)
{
case MSG_QUERYSUPPORT:
twCC = set_onevalue(pCapability, TWTY_INT32,
TWQC_GET | TWQC_SET | TWQC_GETDEFAULT | TWQC_GETCURRENT | TWQC_RESET );
break;
case MSG_GET:
twCC = msg_get_enum(pCapability, possible_values, sizeof(possible_values) / sizeof(possible_values[0]),
TWTY_UINT16, activeDS.capXferMech, TWSX_NATIVE);
break;
case MSG_SET:
twCC = msg_set(pCapability, &val);
if (twCC == TWCC_SUCCESS)
{
activeDS.capXferMech = (TW_UINT16) val;
FIXME("Partial Stub: XFERMECH set to %d, but ignored\n", val);
}
break;
case MSG_GETDEFAULT:
twCC = set_onevalue(pCapability, TWTY_UINT16, TWSX_NATIVE);
break;
case MSG_RESET:
activeDS.capXferMech = TWSX_NATIVE;
/* .. fall through intentional .. */
case MSG_GETCURRENT:
twCC = set_onevalue(pCapability, TWTY_UINT16, activeDS.capXferMech);
FIXME("Partial Stub: XFERMECH of %d not actually used\n", activeDS.capXferMech);
break;
}
return twCC;
}
/* CAP_XFERCOUNT */
static TW_UINT16 SANE_CAPXferCount (pTW_CAPABILITY pCapability, TW_UINT16 action)
{
TW_UINT32 val;
TW_UINT16 twCC = TWCC_BADCAP;
TRACE("CAP_XFERCOUNT\n");
switch (action)
{
case MSG_QUERYSUPPORT:
twCC = set_onevalue(pCapability, TWTY_INT32,
TWQC_GET | TWQC_SET | TWQC_GETDEFAULT | TWQC_GETCURRENT | TWQC_RESET );
break;
case MSG_GET:
twCC = set_onevalue(pCapability, TWTY_INT16, -1);
FIXME("Partial Stub: Reporting only support for transfer all\n");
break;
case MSG_SET:
twCC = msg_set(pCapability, &val);
if (twCC == TWCC_SUCCESS)
FIXME("Partial Stub: XFERCOUNT set to %d, but ignored\n", val);
break;
case MSG_GETDEFAULT:
twCC = set_onevalue(pCapability, TWTY_INT16, -1);
break;
case MSG_RESET:
/* .. fall through intentional .. */
case MSG_GETCURRENT:
twCC = set_onevalue(pCapability, TWTY_INT16, -1);
break;
}
return twCC;
}
#ifdef SONAME_LIBSANE
static BOOL pixeltype_to_sane_mode(TW_UINT16 pixeltype, SANE_String mode, int len)
{
SANE_String_Const m = NULL;
switch (pixeltype)
{
case TWPT_GRAY:
m = SANE_VALUE_SCAN_MODE_GRAY;
break;
case TWPT_RGB:
m = SANE_VALUE_SCAN_MODE_COLOR;
break;
case TWPT_BW:
m = SANE_VALUE_SCAN_MODE_LINEART;
break;
}
if (! m)
return FALSE;
if (strlen(m) >= len)
return FALSE;
strcpy(mode, m);
return TRUE;
}
static BOOL sane_mode_to_pixeltype(SANE_String_Const mode, TW_UINT16 *pixeltype)
{
if (strcmp(mode, SANE_VALUE_SCAN_MODE_LINEART) == 0)
*pixeltype = TWPT_BW;
else if (memcmp(mode, SANE_VALUE_SCAN_MODE_GRAY, strlen(SANE_VALUE_SCAN_MODE_GRAY)) == 0)
*pixeltype = TWPT_GRAY;
else if (strcmp(mode, SANE_VALUE_SCAN_MODE_COLOR) == 0)
*pixeltype = TWPT_RGB;
else
return FALSE;
return TRUE;
}
#endif
/* ICAP_PIXELTYPE */
static TW_UINT16 SANE_ICAPPixelType (pTW_CAPABILITY pCapability, TW_UINT16 action)
{
TW_UINT16 twCC = TWCC_BADCAP;
#ifdef SONAME_LIBSANE
TW_UINT32 possible_values[3];
int possible_value_count;
TW_UINT32 val;
SANE_Status rc;
SANE_Int status;
SANE_String_Const *choices;
char current_mode[64];
TW_UINT16 current_pixeltype = TWPT_BW;
SANE_Char mode[64];
TRACE("ICAP_PIXELTYPE\n");
rc = sane_option_probe_mode(activeDS.deviceHandle, &choices, current_mode, sizeof(current_mode));
if (rc != SANE_STATUS_GOOD)
{
ERR("Unable to retrieve mode from sane, ICAP_PIXELTYPE unsupported\n");
return twCC;
}
sane_mode_to_pixeltype(current_mode, &current_pixeltype);
/* Sane does not support a concept of a default mode, so we simply cache
* the first mode we find */
if (! activeDS.PixelTypeSet)
{
activeDS.PixelTypeSet = TRUE;
activeDS.defaultPixelType = current_pixeltype;
}
switch (action)
{
case MSG_QUERYSUPPORT:
twCC = set_onevalue(pCapability, TWTY_INT32,
TWQC_GET | TWQC_SET | TWQC_GETDEFAULT | TWQC_GETCURRENT | TWQC_RESET );
break;
case MSG_GET:
for (possible_value_count = 0; choices && *choices && possible_value_count < 3; choices++)
{
TW_UINT16 pix;
if (sane_mode_to_pixeltype(*choices, &pix))
possible_values[possible_value_count++] = pix;
}
twCC = msg_get_enum(pCapability, possible_values, possible_value_count,
TWTY_UINT16, current_pixeltype, activeDS.defaultPixelType);
break;
case MSG_SET:
twCC = msg_set(pCapability, &val);
if (twCC == TWCC_SUCCESS)
{
TRACE("Setting pixeltype to %d\n", val);
if (! pixeltype_to_sane_mode(val, mode, sizeof(mode)))
return TWCC_BADVALUE;
status = 0;
rc = sane_option_set_str(activeDS.deviceHandle, "mode", mode, &status);
/* Some SANE devices use 'Grayscale' instead of the standard 'Gray' */
if (rc == SANE_STATUS_INVAL && strcmp(mode, SANE_VALUE_SCAN_MODE_GRAY) == 0)
{
strcpy(mode, "Grayscale");
rc = sane_option_set_str(activeDS.deviceHandle, "mode", mode, &status);
}
if (rc != SANE_STATUS_GOOD)
return sane_status_to_twcc(rc);
if (status & SANE_INFO_RELOAD_PARAMS)
psane_get_parameters (activeDS.deviceHandle, &activeDS.sane_param);
}
break;
case MSG_GETDEFAULT:
twCC = set_onevalue(pCapability, TWTY_UINT16, activeDS.defaultPixelType);
break;
case MSG_RESET:
current_pixeltype = activeDS.defaultPixelType;
if (! pixeltype_to_sane_mode(current_pixeltype, mode, sizeof(mode)))
return TWCC_BADVALUE;
status = 0;
rc = sane_option_set_str(activeDS.deviceHandle, "mode", mode, &status);
/* Some SANE devices use 'Grayscale' instead of the standard 'Gray' */
if (rc == SANE_STATUS_INVAL && strcmp(mode, SANE_VALUE_SCAN_MODE_GRAY) == 0)
{
strcpy(mode, "Grayscale");
rc = sane_option_set_str(activeDS.deviceHandle, "mode", mode, &status);
}
if (rc != SANE_STATUS_GOOD)
return sane_status_to_twcc(rc);
if (status & SANE_INFO_RELOAD_PARAMS)
psane_get_parameters (activeDS.deviceHandle, &activeDS.sane_param);
/* .. fall through intentional .. */
case MSG_GETCURRENT:
twCC = set_onevalue(pCapability, TWTY_UINT16, current_pixeltype);
TRACE("Returning current pixeltype of %d\n", current_pixeltype);
break;
}
#endif
return twCC;
}
/* ICAP_UNITS */
static TW_UINT16 SANE_ICAPUnits (pTW_CAPABILITY pCapability, TW_UINT16 action)
{
TW_UINT32 val;
TW_UINT16 twCC = TWCC_BADCAP;
TRACE("ICAP_UNITS\n");
switch (action)
{
case MSG_QUERYSUPPORT:
twCC = set_onevalue(pCapability, TWTY_INT32,
TWQC_GET | TWQC_SET | TWQC_GETDEFAULT | TWQC_GETCURRENT | TWQC_RESET );
break;
case MSG_GET:
twCC = set_onevalue(pCapability, TWTY_UINT16, TWUN_INCHES);
break;
case MSG_SET:
twCC = msg_set(pCapability, &val);
if (twCC == TWCC_SUCCESS)
{
if (val != TWUN_INCHES)
{
ERR("Sane supports only SANE_UNIT_DPI\n");
twCC = TWCC_BADVALUE;
}
}
break;
case MSG_GETDEFAULT:
case MSG_RESET:
/* .. fall through intentional .. */
case MSG_GETCURRENT:
twCC = set_onevalue(pCapability, TWTY_UINT16, TWUN_INCHES);
break;
}
return twCC;
}
/* ICAP_BITDEPTH */
static TW_UINT16 SANE_ICAPBitDepth(pTW_CAPABILITY pCapability, TW_UINT16 action)
{
TW_UINT16 twCC = TWCC_BADCAP;
#ifdef SONAME_LIBSANE
TW_UINT32 possible_values[1];
TRACE("ICAP_BITDEPTH\n");
possible_values[0] = activeDS.sane_param.depth;
switch (action)
{
case MSG_QUERYSUPPORT:
twCC = set_onevalue(pCapability, TWTY_INT32,
TWQC_GET | TWQC_GETDEFAULT | TWQC_GETCURRENT );
break;
case MSG_GET:
twCC = msg_get_enum(pCapability, possible_values, sizeof(possible_values) / sizeof(possible_values[0]),
TWTY_UINT16, activeDS.sane_param.depth, activeDS.sane_param.depth);
break;
case MSG_GETDEFAULT:
/* .. Fall through intentional .. */
case MSG_GETCURRENT:
TRACE("Returning current bitdepth of %d\n", activeDS.sane_param.depth);
twCC = set_onevalue(pCapability, TWTY_UINT16, activeDS.sane_param.depth);
break;
}
#endif
return twCC;
}
/* CAP_UICONTROLLABLE */
static TW_UINT16 SANE_CAPUiControllable(pTW_CAPABILITY pCapability, TW_UINT16 action)
{
TW_UINT16 twCC = TWCC_BADCAP;
TRACE("CAP_UICONTROLLABLE\n");
switch (action)
{
case MSG_QUERYSUPPORT:
twCC = set_onevalue(pCapability, TWTY_INT32, TWQC_GET);
break;
case MSG_GET:
twCC = set_onevalue(pCapability, TWTY_BOOL, TRUE);
break;
}
return twCC;
}
/* ICAP_COMPRESSION */
static TW_UINT16 SANE_ICAPCompression (pTW_CAPABILITY pCapability, TW_UINT16 action)
{
static const TW_UINT32 possible_values[] = { TWCP_NONE };
TW_UINT32 val;
TW_UINT16 twCC = TWCC_BADCAP;
TRACE("ICAP_COMPRESSION\n");
switch (action)
{
case MSG_QUERYSUPPORT:
twCC = set_onevalue(pCapability, TWTY_INT32,
TWQC_GET | TWQC_SET | TWQC_GETDEFAULT | TWQC_GETCURRENT | TWQC_RESET );
break;
case MSG_GET:
twCC = msg_get_enum(pCapability, possible_values, sizeof(possible_values) / sizeof(possible_values[0]),
TWTY_UINT16, TWCP_NONE, TWCP_NONE);
FIXME("Partial stub: We don't attempt to support compression\n");
break;
case MSG_SET:
twCC = msg_set(pCapability, &val);
if (twCC == TWCC_SUCCESS)
FIXME("Partial Stub: COMPRESSION set to %d, but ignored\n", val);
break;
case MSG_GETDEFAULT:
twCC = set_onevalue(pCapability, TWTY_UINT16, TWCP_NONE);
break;
case MSG_RESET:
/* .. fall through intentional .. */
case MSG_GETCURRENT:
twCC = set_onevalue(pCapability, TWTY_UINT16, TWCP_NONE);
break;
}
return twCC;
}
/* ICAP_XRESOLUTION, ICAP_YRESOLUTION */
static TW_UINT16 SANE_ICAPResolution (pTW_CAPABILITY pCapability, TW_UINT16 action, TW_UINT16 cap)
{
TW_UINT16 twCC = TWCC_BADCAP;
#ifdef SONAME_LIBSANE
TW_UINT32 val;
SANE_Int current_resolution;
TW_FIX32 *default_res;
const char *best_option_name;
SANE_Int minval, maxval, quantval;
SANE_Status sane_rc;
SANE_Int set_status;
TRACE("ICAP_%cRESOLUTION\n", cap == ICAP_XRESOLUTION ? 'X' : 'Y');
/* Some scanners support 'x-resolution', most seem to just support 'resolution' */
if (cap == ICAP_XRESOLUTION)
{
best_option_name = "x-resolution";
default_res = &activeDS.defaultXResolution;
}
else
{
best_option_name = "y-resolution";
default_res = &activeDS.defaultYResolution;
}
if (sane_option_get_int(activeDS.deviceHandle, best_option_name, &current_resolution) != SANE_STATUS_GOOD)
{
best_option_name = "resolution";
if (sane_option_get_int(activeDS.deviceHandle, best_option_name, &current_resolution) != SANE_STATUS_GOOD)
return TWCC_BADCAP;
}
/* Sane does not support a concept of 'default' resolution, so we have to
* cache the resolution the very first time we load the scanner, and use that
* as the default */
if (cap == ICAP_XRESOLUTION && ! activeDS.XResolutionSet)
{
default_res->Whole = current_resolution;
default_res->Frac = 0;
activeDS.XResolutionSet = TRUE;
}
if (cap == ICAP_YRESOLUTION && ! activeDS.YResolutionSet)
{
default_res->Whole = current_resolution;
default_res->Frac = 0;
activeDS.YResolutionSet = TRUE;
}
switch (action)
{
case MSG_QUERYSUPPORT:
twCC = set_onevalue(pCapability, TWTY_INT32,
TWQC_GET | TWQC_SET | TWQC_GETDEFAULT | TWQC_GETCURRENT | TWQC_RESET );
break;
case MSG_GET:
sane_rc = sane_option_probe_resolution(activeDS.deviceHandle, best_option_name, &minval, &maxval, &quantval);
if (sane_rc != SANE_STATUS_GOOD)
twCC = TWCC_BADCAP;
else
twCC = msg_get_range(pCapability, TWTY_FIX32,
minval, maxval, quantval == 0 ? 1 : quantval, default_res->Whole, current_resolution);
break;
case MSG_SET:
twCC = msg_set(pCapability, &val);
if (twCC == TWCC_SUCCESS)
{
TW_FIX32 f32;
memcpy(&f32, &val, sizeof(f32));
sane_rc = sane_option_set_int(activeDS.deviceHandle, best_option_name, f32.Whole, &set_status);
if (sane_rc != SANE_STATUS_GOOD)
{
FIXME("Status of %d not expected or handled\n", sane_rc);
twCC = TWCC_BADCAP;
}
else if (set_status == SANE_INFO_INEXACT)
twCC = TWCC_CHECKSTATUS;
}
break;
case MSG_GETDEFAULT:
twCC = set_onevalue(pCapability, TWTY_FIX32, default_res->Whole);
break;
case MSG_RESET:
sane_rc = sane_option_set_int(activeDS.deviceHandle, best_option_name, default_res->Whole, NULL);
if (sane_rc != SANE_STATUS_GOOD)
return TWCC_BADCAP;
/* .. fall through intentional .. */
case MSG_GETCURRENT:
twCC = set_onevalue(pCapability, TWTY_FIX32, current_resolution);
break;
}
#endif
return twCC;
}
/* ICAP_PHYSICALHEIGHT, ICAP_PHYSICALWIDTH */
static TW_UINT16 SANE_ICAPPhysical (pTW_CAPABILITY pCapability, TW_UINT16 action, TW_UINT16 cap)
{
TW_UINT16 twCC = TWCC_BADCAP;
#ifdef SONAME_LIBSANE
TW_FIX32 res;
char option_name[64];
SANE_Fixed lower, upper;
SANE_Unit lowerunit, upperunit;
SANE_Status status;
TRACE("ICAP_PHYSICAL%s\n", cap == ICAP_PHYSICALHEIGHT? "HEIGHT" : "WIDTH");
sprintf(option_name, "tl-%c", cap == ICAP_PHYSICALHEIGHT ? 'y' : 'x');
status = sane_option_probe_scan_area(activeDS.deviceHandle, option_name, NULL, &lowerunit, &lower, NULL, NULL);
if (status != SANE_STATUS_GOOD)
return sane_status_to_twcc(status);
sprintf(option_name, "br-%c", cap == ICAP_PHYSICALHEIGHT ? 'y' : 'x');
status = sane_option_probe_scan_area(activeDS.deviceHandle, option_name, NULL, &upperunit, NULL, &upper, NULL);
if (status != SANE_STATUS_GOOD)
return sane_status_to_twcc(status);
if (upperunit != lowerunit)
return TWCC_BADCAP;
if (! convert_sane_res_to_twain(SANE_UNFIX(upper) - SANE_UNFIX(lower), upperunit, &res, TWUN_INCHES))
return TWCC_BADCAP;
switch (action)
{
case MSG_QUERYSUPPORT:
twCC = set_onevalue(pCapability, TWTY_INT32,
TWQC_GET | TWQC_GETDEFAULT | TWQC_GETCURRENT );
break;
case MSG_GET:
case MSG_GETDEFAULT:
/* .. fall through intentional .. */
case MSG_GETCURRENT:
twCC = set_onevalue(pCapability, TWTY_FIX32, res.Whole | (res.Frac << 16));
break;
}
#endif
return twCC;
}
/* ICAP_PIXELFLAVOR */
static TW_UINT16 SANE_ICAPPixelFlavor (pTW_CAPABILITY pCapability, TW_UINT16 action)
{
TW_UINT16 twCC = TWCC_BADCAP;
#ifdef SONAME_LIBSANE
static const TW_UINT32 possible_values[] = { TWPF_CHOCOLATE, TWPF_VANILLA };
TW_UINT32 val;
TW_UINT32 flavor = activeDS.sane_param.depth == 1 ? TWPF_VANILLA : TWPF_CHOCOLATE;
TRACE("ICAP_PIXELFLAVOR\n");
switch (action)
{
case MSG_QUERYSUPPORT:
twCC = set_onevalue(pCapability, TWTY_INT32,
TWQC_GET | TWQC_SET | TWQC_GETDEFAULT | TWQC_GETCURRENT | TWQC_RESET );
break;
case MSG_GET:
twCC = msg_get_enum(pCapability, possible_values, sizeof(possible_values) / sizeof(possible_values[0]),
TWTY_UINT16, flavor, flavor);
break;
case MSG_SET:
twCC = msg_set(pCapability, &val);
if (twCC == TWCC_SUCCESS)
{
FIXME("Stub: PIXELFLAVOR set to %d, but ignored\n", val);
}
break;
case MSG_GETDEFAULT:
twCC = set_onevalue(pCapability, TWTY_UINT16, flavor);
break;
case MSG_RESET:
/* .. fall through intentional .. */
case MSG_GETCURRENT:
twCC = set_onevalue(pCapability, TWTY_UINT16, flavor);
break;
}
#endif
return twCC;
}
#ifdef SONAME_LIBSANE
static TW_UINT16 get_width_height(double *width, double *height, BOOL max)
{
SANE_Status status;
SANE_Fixed tlx_current, tlx_min, tlx_max;
SANE_Fixed tly_current, tly_min, tly_max;
SANE_Fixed brx_current, brx_min, brx_max;
SANE_Fixed bry_current, bry_min, bry_max;
status = sane_option_probe_scan_area(activeDS.deviceHandle, "tl-x", &tlx_current, NULL, &tlx_min, &tlx_max, NULL);
if (status != SANE_STATUS_GOOD)
return sane_status_to_twcc(status);
status = sane_option_probe_scan_area(activeDS.deviceHandle, "tl-y", &tly_current, NULL, &tly_min, &tly_max, NULL);
if (status != SANE_STATUS_GOOD)
return sane_status_to_twcc(status);
status = sane_option_probe_scan_area(activeDS.deviceHandle, "br-x", &brx_current, NULL, &brx_min, &brx_max, NULL);
if (status != SANE_STATUS_GOOD)
return sane_status_to_twcc(status);
status = sane_option_probe_scan_area(activeDS.deviceHandle, "br-y", &bry_current, NULL, &bry_min, &bry_max, NULL);
if (status != SANE_STATUS_GOOD)
return sane_status_to_twcc(status);
if (max)
*width = SANE_UNFIX(brx_max) - SANE_UNFIX(tlx_min);
else
*width = SANE_UNFIX(brx_current) - SANE_UNFIX(tlx_current);
if (max)
*height = SANE_UNFIX(bry_max) - SANE_UNFIX(tly_min);
else
*height = SANE_UNFIX(bry_current) - SANE_UNFIX(tly_current);
return(TWCC_SUCCESS);
}
static TW_UINT16 set_one_coord(const char *name, double coord)
{
SANE_Status status;
status = sane_option_set_fixed(activeDS.deviceHandle, name, SANE_FIX(coord), NULL);
if (status != SANE_STATUS_GOOD)
return sane_status_to_twcc(status);
return TWCC_SUCCESS;
}
static TW_UINT16 set_width_height(double width, double height)
{
TW_UINT16 rc = TWCC_SUCCESS;
rc = set_one_coord("tl-x", 0);
if (rc != TWCC_SUCCESS)
return rc;
rc = set_one_coord("br-x", width);
if (rc != TWCC_SUCCESS)
return rc;
rc = set_one_coord("tl-y", 0);
if (rc != TWCC_SUCCESS)
return rc;
rc = set_one_coord("br-y", height);
return rc;
}
typedef struct
{
TW_UINT32 size;
double x;
double y;
} supported_size_t;
static const supported_size_t supported_sizes[] =
{
{ TWSS_NONE, 0, 0 },
{ TWSS_A4, 210, 297 },
{ TWSS_JISB5, 182, 257 },
{ TWSS_USLETTER, 215.9, 279.4 },
{ TWSS_USLEGAL, 215.9, 355.6 },
{ TWSS_A5, 148, 210 },
{ TWSS_B4, 250, 353 },
{ TWSS_B6, 125, 176 },
{ TWSS_USLEDGER, 215.9, 431.8 },
{ TWSS_USEXECUTIVE, 184.15, 266.7 },
{ TWSS_A3, 297, 420 },
};
#define SUPPORTED_SIZE_COUNT (sizeof(supported_sizes) / sizeof(supported_sizes[0]))
static TW_UINT16 get_default_paper_size(const supported_size_t *s, int n)
{
DWORD paper;
int rc;
int defsize = -1;
double width, height;
int i;
rc = GetLocaleInfoA(LOCALE_USER_DEFAULT, LOCALE_IPAPERSIZE | LOCALE_RETURN_NUMBER, (void *) &paper, sizeof(paper));
if (rc > 0)
switch (paper)
{
case 1:
defsize = TWSS_USLETTER;
break;
case 5:
defsize = TWSS_USLEGAL;
break;
case 8:
defsize = TWSS_A3;
break;
case 9:
defsize = TWSS_A4;
break;
}
if (defsize == -1)
return TWSS_NONE;
if (get_width_height(&width, &height, TRUE) != TWCC_SUCCESS)
return TWSS_NONE;
for (i = 0; i < n; i++)
if (s[i].size == defsize)
{
/* Sane's use of integers to store floats is a hair lossy; deal with it */
if (s[i].x > (width + .01) || s[i].y > (height + 0.01))
return TWSS_NONE;
else
return s[i].size;
}
return TWSS_NONE;
}
static TW_UINT16 get_current_paper_size(const supported_size_t *s, int n)
{
int i;
double width, height;
double xdelta, ydelta;
if (get_width_height(&width, &height, FALSE) != TWCC_SUCCESS)
return TWSS_NONE;
for (i = 0; i < n; i++)
{
/* Sane's use of integers to store floats results
* in a very small error; cope with that */
xdelta = s[i].x - width;
ydelta = s[i].y - height;
if (xdelta < 0.01 && xdelta > -0.01 &&
ydelta < 0.01 && ydelta > -0.01)
return s[i].size;
}
return TWSS_NONE;
}
#endif
/* ICAP_SUPPORTEDSIZES */
static TW_UINT16 SANE_ICAPSupportedSizes (pTW_CAPABILITY pCapability, TW_UINT16 action)
{
TW_UINT16 twCC = TWCC_BADCAP;
#ifdef SONAME_LIBSANE
static TW_UINT32 possible_values[SUPPORTED_SIZE_COUNT];
int i;
TW_UINT32 val;
TW_UINT16 default_size = get_default_paper_size(supported_sizes, SUPPORTED_SIZE_COUNT);
TW_UINT16 current_size = get_current_paper_size(supported_sizes, SUPPORTED_SIZE_COUNT);
TRACE("ICAP_SUPPORTEDSIZES\n");
switch (action)
{
case MSG_QUERYSUPPORT:
twCC = set_onevalue(pCapability, TWTY_INT32,
TWQC_GET | TWQC_SET | TWQC_GETDEFAULT | TWQC_GETCURRENT | TWQC_RESET );
break;
case MSG_GET:
for (i = 0; i < sizeof(supported_sizes) / sizeof(supported_sizes[0]); i++)
possible_values[i] = supported_sizes[i].size;
twCC = msg_get_enum(pCapability, possible_values, sizeof(possible_values) / sizeof(possible_values[0]),
TWTY_UINT16, current_size, default_size);
WARN("Partial Stub: our supported size selection is a bit thin.\n");
break;
case MSG_SET:
twCC = msg_set(pCapability, &val);
if (twCC == TWCC_SUCCESS)
for (i = 1; i < SUPPORTED_SIZE_COUNT; i++)
if (supported_sizes[i].size == val)
return set_width_height(supported_sizes[i].x, supported_sizes[i].y);
ERR("Unsupported size %d\n", val);
twCC = TWCC_BADCAP;
break;
case MSG_GETDEFAULT:
twCC = set_onevalue(pCapability, TWTY_UINT16, default_size);
break;
case MSG_RESET:
twCC = TWCC_BADCAP;
for (i = 1; i < SUPPORTED_SIZE_COUNT; i++)
if (supported_sizes[i].size == default_size)
{
twCC = set_width_height(supported_sizes[i].x, supported_sizes[i].y);
break;
}
if (twCC != TWCC_SUCCESS)
return twCC;
/* .. fall through intentional .. */
case MSG_GETCURRENT:
twCC = set_onevalue(pCapability, TWTY_UINT16, current_size);
break;
}
#undef SUPPORTED_SIZE_COUNT
#endif
return twCC;
}
/* CAP_AUTOFEED */
static TW_UINT16 SANE_CAPAutofeed (pTW_CAPABILITY pCapability, TW_UINT16 action)
{
TW_UINT16 twCC = TWCC_BADCAP;
#ifdef SONAME_LIBSANE
TW_UINT32 val;
SANE_Bool autofeed;
SANE_Status status;
TRACE("CAP_AUTOFEED\n");
if (sane_option_get_bool(activeDS.deviceHandle, "batch-scan", &autofeed, NULL) != SANE_STATUS_GOOD)
return TWCC_BADCAP;
switch (action)
{
case MSG_QUERYSUPPORT:
twCC = set_onevalue(pCapability, TWTY_INT32,
TWQC_GET | TWQC_SET | TWQC_GETDEFAULT | TWQC_GETCURRENT | TWQC_RESET );
break;
case MSG_GET:
twCC = set_onevalue(pCapability, TWTY_BOOL, autofeed);
break;
case MSG_SET:
twCC = msg_set(pCapability, &val);
if (twCC == TWCC_SUCCESS)
{
if (val)
autofeed = SANE_TRUE;
else
autofeed = SANE_FALSE;
status = sane_option_set_bool(activeDS.deviceHandle, "batch-scan", autofeed, NULL);
if (status != SANE_STATUS_GOOD)
{
ERR("Error %s: Could not set batch-scan to %d\n", psane_strstatus(status), autofeed);
return sane_status_to_twcc(status);
}
}
break;
case MSG_GETDEFAULT:
twCC = set_onevalue(pCapability, TWTY_BOOL, SANE_TRUE);
break;
case MSG_RESET:
autofeed = SANE_TRUE;
status = sane_option_set_bool(activeDS.deviceHandle, "batch-scan", autofeed, NULL);
if (status != SANE_STATUS_GOOD)
{
ERR("Error %s: Could not reset batch-scan to SANE_TRUE\n", psane_strstatus(status));
return sane_status_to_twcc(status);
}
/* .. fall through intentional .. */
case MSG_GETCURRENT:
twCC = set_onevalue(pCapability, TWTY_BOOL, autofeed);
break;
}
#endif
return twCC;
}
/* CAP_FEEDERENABLED */
static TW_UINT16 SANE_CAPFeederEnabled (pTW_CAPABILITY pCapability, TW_UINT16 action)
{
TW_UINT16 twCC = TWCC_BADCAP;
#ifdef SONAME_LIBSANE
TW_UINT32 val;
TW_BOOL enabled;
SANE_Status status;
SANE_Char source[64];
TRACE("CAP_FEEDERENABLED\n");
if (sane_option_get_str(activeDS.deviceHandle, SANE_NAME_SCAN_SOURCE, source, sizeof(source), NULL) != SANE_STATUS_GOOD)
return TWCC_BADCAP;
if (strcmp(source, "Auto") == 0 || strcmp(source, "ADF") == 0)
enabled = TRUE;
else
enabled = FALSE;
switch (action)
{
case MSG_QUERYSUPPORT:
twCC = set_onevalue(pCapability, TWTY_INT32,
TWQC_GET | TWQC_SET | TWQC_GETDEFAULT | TWQC_GETCURRENT | TWQC_RESET );
break;
case MSG_GET:
twCC = set_onevalue(pCapability, TWTY_BOOL, enabled);
break;
case MSG_SET:
twCC = msg_set(pCapability, &val);
if (twCC == TWCC_SUCCESS)
{
if (val)
enabled = TRUE;
else
enabled = FALSE;
strcpy(source, "ADF");
status = sane_option_set_str(activeDS.deviceHandle, SANE_NAME_SCAN_SOURCE, source, NULL);
if (status != SANE_STATUS_GOOD)
{
strcpy(source, "Auto");
status = sane_option_set_str(activeDS.deviceHandle, SANE_NAME_SCAN_SOURCE, source, NULL);
}
if (status != SANE_STATUS_GOOD)
{
ERR("Error %s: Could not set source to either ADF or Auto\n", psane_strstatus(status));
return sane_status_to_twcc(status);
}
}
break;
case MSG_GETDEFAULT:
twCC = set_onevalue(pCapability, TWTY_BOOL, TRUE);
break;
case MSG_RESET:
strcpy(source, "Auto");
if (sane_option_set_str(activeDS.deviceHandle, SANE_NAME_SCAN_SOURCE, source, NULL) == SANE_STATUS_GOOD)
enabled = TRUE;
twCC = TWCC_SUCCESS;
/* .. fall through intentional .. */
case MSG_GETCURRENT:
twCC = set_onevalue(pCapability, TWTY_BOOL, enabled);
break;
}
#endif
return twCC;
}
TW_UINT16 SANE_SaneCapability (pTW_CAPABILITY pCapability, TW_UINT16 action)
{
TW_UINT16 twCC = TWCC_CAPUNSUPPORTED;
TRACE("capability=%d action=%d\n", pCapability->Cap, action);
switch (pCapability->Cap)
{
case CAP_SUPPORTEDCAPS:
if (action == MSG_GET)
twCC = TWAIN_GetSupportedCaps(pCapability);
else
twCC = TWCC_BADVALUE;
break;
case CAP_XFERCOUNT:
twCC = SANE_CAPXferCount (pCapability, action);
break;
case CAP_UICONTROLLABLE:
twCC = SANE_CAPUiControllable (pCapability, action);
break;
case CAP_AUTOFEED:
twCC = SANE_CAPAutofeed (pCapability, action);
break;
case CAP_FEEDERENABLED:
twCC = SANE_CAPFeederEnabled (pCapability, action);
break;
case ICAP_PIXELTYPE:
twCC = SANE_ICAPPixelType (pCapability, action);
break;
case ICAP_UNITS:
twCC = SANE_ICAPUnits (pCapability, action);
break;
case ICAP_BITDEPTH:
twCC = SANE_ICAPBitDepth(pCapability, action);
break;
case ICAP_XFERMECH:
twCC = SANE_ICAPXferMech (pCapability, action);
break;
case ICAP_PIXELFLAVOR:
twCC = SANE_ICAPPixelFlavor (pCapability, action);
break;
case ICAP_COMPRESSION:
twCC = SANE_ICAPCompression(pCapability, action);
break;
case ICAP_XRESOLUTION:
twCC = SANE_ICAPResolution(pCapability, action, pCapability->Cap);
break;
case ICAP_YRESOLUTION:
twCC = SANE_ICAPResolution(pCapability, action, pCapability->Cap);
break;
case ICAP_PHYSICALHEIGHT:
twCC = SANE_ICAPPhysical(pCapability, action, pCapability->Cap);
break;
case ICAP_PHYSICALWIDTH:
twCC = SANE_ICAPPhysical(pCapability, action, pCapability->Cap);
break;
case ICAP_SUPPORTEDSIZES:
twCC = SANE_ICAPSupportedSizes (pCapability, action);
break;
case ICAP_PLANARCHUNKY:
FIXME("ICAP_PLANARCHUNKY not implemented\n");
break;
case ICAP_BITORDER:
FIXME("ICAP_BITORDER not implemented\n");
break;
}
/* Twain specifies that you should return a 0 in response to QUERYSUPPORT,
* even if you don't formally support the capability */
if (twCC == TWCC_CAPUNSUPPORTED && action == MSG_QUERYSUPPORT)
twCC = set_onevalue(pCapability, 0, TWTY_INT32);
if (twCC == TWCC_CAPUNSUPPORTED)
TRACE("capability 0x%x/action=%d being reported as unsupported\n", pCapability->Cap, action);
return twCC;
}
TW_UINT16 SANE_SaneSetDefaults (void)
{
TW_CAPABILITY cap;
memset(&cap, 0, sizeof(cap));
cap.Cap = CAP_AUTOFEED;
cap.ConType = TWON_DONTCARE16;
if (SANE_SaneCapability(&cap, MSG_RESET) == TWCC_SUCCESS)
GlobalFree(cap.hContainer);
memset(&cap, 0, sizeof(cap));
cap.Cap = CAP_FEEDERENABLED;
cap.ConType = TWON_DONTCARE16;
if (SANE_SaneCapability(&cap, MSG_RESET) == TWCC_SUCCESS)
GlobalFree(cap.hContainer);
memset(&cap, 0, sizeof(cap));
cap.Cap = ICAP_SUPPORTEDSIZES;
cap.ConType = TWON_DONTCARE16;
if (SANE_SaneCapability(&cap, MSG_RESET) == TWCC_SUCCESS)
GlobalFree(cap.hContainer);
return TWCC_SUCCESS;
}
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