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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
*/
#include <stdarg.h>
#include <stdio.h>
#include <math.h>
#include "sane_i.h"
#include "winnls.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 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;
}
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;
TW_UINT32 i;
a = GlobalLock (pCapability->hContainer);
a->ItemType = TWTY_UINT16;
a->NumItems = ARRAY_SIZE(supported_caps);
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, ARRAY_SIZE(possible_values),
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;
}
static BOOL pixeltype_to_sane_mode(TW_UINT16 pixeltype, char *mode, int len)
{
const char *m = NULL;
switch (pixeltype)
{
case TWPT_GRAY:
m = "Gray";
break;
case TWPT_RGB:
m = "Color";
break;
case TWPT_BW:
m = "Lineart";
break;
}
if (! m)
return FALSE;
if (strlen(m) >= len)
return FALSE;
strcpy(mode, m);
return TRUE;
}
/* ICAP_PIXELTYPE */
static TW_UINT16 SANE_ICAPPixelType (pTW_CAPABILITY pCapability, TW_UINT16 action)
{
TW_UINT16 twCC;
TW_UINT32 possible_values[3];
int possible_value_count;
TW_UINT32 val;
BOOL reload = FALSE;
TW_UINT16 current_pixeltype = TWPT_BW;
char mode[64];
TRACE("ICAP_PIXELTYPE\n");
twCC = sane_option_probe_mode(&current_pixeltype, possible_values, &possible_value_count);
if (twCC != TWCC_SUCCESS)
{
ERR("Unable to retrieve mode from sane, ICAP_PIXELTYPE unsupported\n");
return twCC;
}
/* 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:
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;
twCC = sane_option_set_str("mode", mode, &reload);
/* Some SANE devices use 'Grayscale' instead of the standard 'Gray' */
if (twCC != TWCC_SUCCESS && strcmp(mode, "Gray") == 0)
{
strcpy(mode, "Grayscale");
twCC = sane_option_set_str("mode", mode, &reload);
}
if (reload) get_sane_params( &activeDS.frame_params );
}
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;
twCC = sane_option_set_str("mode", mode, &reload);
/* Some SANE devices use 'Grayscale' instead of the standard 'Gray' */
if (twCC != TWCC_SUCCESS && strcmp(mode, "Gray") == 0)
{
strcpy(mode, "Grayscale");
twCC = sane_option_set_str("mode", mode, &reload);
}
if (twCC != TWCC_SUCCESS) break;
if (reload) get_sane_params( &activeDS.frame_params );
/* .. fall through intentional .. */
case MSG_GETCURRENT:
twCC = set_onevalue(pCapability, TWTY_UINT16, current_pixeltype);
TRACE("Returning current pixeltype of %d\n", current_pixeltype);
break;
}
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;
TW_UINT32 possible_values[1];
TRACE("ICAP_BITDEPTH\n");
possible_values[0] = activeDS.frame_params.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, ARRAY_SIZE(possible_values),
TWTY_UINT16, activeDS.frame_params.depth, activeDS.frame_params.depth);
break;
case MSG_GETDEFAULT:
/* .. Fall through intentional .. */
case MSG_GETCURRENT:
TRACE("Returning current bitdepth of %d\n", activeDS.frame_params.depth);
twCC = set_onevalue(pCapability, TWTY_UINT16, activeDS.frame_params.depth);
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, ARRAY_SIZE(possible_values),
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;
TW_UINT32 val;
int current_resolution;
TW_FIX32 *default_res;
const char *best_option_name;
int minval, maxval, quantval;
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(best_option_name, &current_resolution) != TWCC_SUCCESS)
{
best_option_name = "resolution";
if (sane_option_get_int(best_option_name, &current_resolution) != TWCC_SUCCESS)
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:
twCC = sane_option_probe_resolution(best_option_name, &minval, &maxval, &quantval);
if (twCC == TWCC_SUCCESS)
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;
BOOL reload = FALSE;
memcpy(&f32, &val, sizeof(f32));
twCC = sane_option_set_int(best_option_name, f32.Whole, &reload);
if (reload) twCC = TWCC_CHECKSTATUS;
}
break;
case MSG_GETDEFAULT:
twCC = set_onevalue(pCapability, TWTY_FIX32, default_res->Whole);
break;
case MSG_RESET:
twCC = sane_option_set_int(best_option_name, default_res->Whole, NULL);
if (twCC != TWCC_SUCCESS) return twCC;
/* .. fall through intentional .. */
case MSG_GETCURRENT:
twCC = set_onevalue(pCapability, TWTY_FIX32, current_resolution);
break;
}
return twCC;
}
/* ICAP_PHYSICALHEIGHT, ICAP_PHYSICALWIDTH */
static TW_UINT16 SANE_ICAPPhysical (pTW_CAPABILITY pCapability, TW_UINT16 action, TW_UINT16 cap)
{
TW_UINT16 twCC;
TW_FIX32 res;
int tlx, tly, brx, bry;
TRACE("ICAP_PHYSICAL%s\n", cap == ICAP_PHYSICALHEIGHT? "HEIGHT" : "WIDTH");
twCC = sane_option_get_max_scan_area( &tlx, &tly, &brx, &bry );
if (twCC != TWCC_SUCCESS) return twCC;
res = convert_sane_res_to_twain( (cap == ICAP_PHYSICALHEIGHT) ? bry - tly : brx - tlx );
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;
}
return twCC;
}
/* ICAP_PIXELFLAVOR */
static TW_UINT16 SANE_ICAPPixelFlavor (pTW_CAPABILITY pCapability, TW_UINT16 action)
{
TW_UINT16 twCC = TWCC_BADCAP;
static const TW_UINT32 possible_values[] = { TWPF_CHOCOLATE, TWPF_VANILLA };
TW_UINT32 val;
TW_UINT32 flavor = activeDS.frame_params.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, ARRAY_SIZE(possible_values),
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;
}
return twCC;
}
static TW_UINT16 get_width_height(double *width, double *height, BOOL max)
{
TW_UINT16 rc;
int tlx, tly, brx, bry;
if (max) rc = sane_option_get_max_scan_area( &tlx, &tly, &brx, &bry );
else rc = sane_option_get_scan_area( &tlx, &tly, &brx, &bry );
if (rc == TWCC_SUCCESS)
{
*width = (brx - tlx) / 65536.0;
*height = (bry - tly) / 65536.0;
}
return rc;
}
static TW_UINT16 set_width_height(double width, double height)
{
return sane_option_set_scan_area( 0, 0, width * 65536, height * 65536, NULL );
}
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 },
};
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;
}
/* ICAP_SUPPORTEDSIZES */
static TW_UINT16 SANE_ICAPSupportedSizes (pTW_CAPABILITY pCapability, TW_UINT16 action)
{
TW_UINT16 twCC = TWCC_BADCAP;
static TW_UINT32 possible_values[ARRAY_SIZE(supported_sizes)];
unsigned int i;
TW_UINT32 val;
TW_UINT16 default_size = get_default_paper_size(supported_sizes, ARRAY_SIZE(supported_sizes));
TW_UINT16 current_size = get_current_paper_size(supported_sizes, ARRAY_SIZE(supported_sizes));
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 < ARRAY_SIZE(supported_sizes); i++)
possible_values[i] = supported_sizes[i].size;
twCC = msg_get_enum(pCapability, possible_values, ARRAY_SIZE(possible_values),
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 < ARRAY_SIZE(supported_sizes); 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 < ARRAY_SIZE(supported_sizes); 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;
}
return twCC;
}
/* CAP_AUTOFEED */
static TW_UINT16 SANE_CAPAutofeed (pTW_CAPABILITY pCapability, TW_UINT16 action)
{
TW_UINT16 twCC = TWCC_BADCAP;
TW_UINT32 val;
BOOL autofeed;
TRACE("CAP_AUTOFEED\n");
if (sane_option_get_bool("batch-scan", &autofeed) != TWCC_SUCCESS)
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)
twCC = sane_option_set_bool("batch-scan", !!val);
break;
case MSG_GETDEFAULT:
twCC = set_onevalue(pCapability, TWTY_BOOL, TRUE);
break;
case MSG_RESET:
autofeed = TRUE;
twCC = sane_option_set_bool("batch-scan", autofeed);
if (twCC != TWCC_SUCCESS) break;
/* .. fall through intentional .. */
case MSG_GETCURRENT:
twCC = set_onevalue(pCapability, TWTY_BOOL, autofeed);
break;
}
return twCC;
}
/* CAP_FEEDERENABLED */
static TW_UINT16 SANE_CAPFeederEnabled (pTW_CAPABILITY pCapability, TW_UINT16 action)
{
TW_UINT16 twCC = TWCC_BADCAP;
TW_UINT32 val;
TW_BOOL enabled;
char source[64];
TRACE("CAP_FEEDERENABLED\n");
if (sane_option_get_str("source", source, sizeof(source)) != TWCC_SUCCESS)
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)
{
strcpy(source, "ADF");
twCC = sane_option_set_str("source", source, NULL);
if (twCC != TWCC_SUCCESS)
{
strcpy(source, "Auto");
twCC = sane_option_set_str("source", source, NULL);
}
}
break;
case MSG_GETDEFAULT:
twCC = set_onevalue(pCapability, TWTY_BOOL, TRUE);
break;
case MSG_RESET:
strcpy(source, "Auto");
if (sane_option_set_str("source", source, NULL) == TWCC_SUCCESS)
enabled = TRUE;
/* .. fall through intentional .. */
case MSG_GETCURRENT:
twCC = set_onevalue(pCapability, TWTY_BOOL, enabled);
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 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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