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

394 lines
12 KiB
C

/*
* 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 "windef.h"
#include "winbase.h"
#include "twain.h"
#include "sane_i.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(twain);
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;
}
static TW_UINT16 TWAIN_GetSupportedCaps(pTW_CAPABILITY pCapability)
{
TW_ARRAY *a;
static const UINT16 supported_caps[] = { CAP_SUPPORTEDCAPS, CAP_XFERCOUNT, CAP_UICONTROLLABLE,
ICAP_XFERMECH, ICAP_PIXELTYPE, ICAP_COMPRESSION };
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;
}
/* ICAP_PIXELTYPE */
static TW_UINT16 SANE_ICAPPixelType (pTW_CAPABILITY pCapability, TW_UINT16 action)
{
static const TW_UINT32 possible_values[] = { TWPT_BW, TWPT_GRAY, TWPT_RGB };
TW_UINT32 val;
TW_UINT16 twCC = TWCC_BADCAP;
TRACE("ICAP_PIXELTYPE\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, TWPT_BW);
break;
case MSG_SET:
twCC = msg_set(pCapability, &val);
if (twCC == TWCC_SUCCESS)
{
activeDS.capPixelType = (TW_UINT16) val;
FIXME("Partial Stub: PIXELTYPE set to %d, but ignored\n", val);
}
break;
case MSG_GETDEFAULT:
twCC = set_onevalue(pCapability, TWTY_UINT16, TWPT_BW);
break;
case MSG_RESET:
activeDS.capPixelType = TWPT_BW;
/* .. fall through intentional .. */
case MSG_GETCURRENT:
twCC = set_onevalue(pCapability, TWTY_UINT16, activeDS.capPixelType);
break;
}
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;
}
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 ICAP_PIXELTYPE:
twCC = SANE_ICAPPixelType (pCapability, action);
break;
case ICAP_XFERMECH:
twCC = SANE_ICAPXferMech (pCapability, action);
break;
case ICAP_COMPRESSION:
twCC = SANE_ICAPCompression(pCapability, action);
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;
}