Module: wine Branch: master Commit: 0639904cc2edac05c9619ce2fd1b2769a850fe00 URL: http://source.winehq.org/git/wine.git/?a=commit;h=0639904cc2edac05c9619ce2fd...
Author: Jeremy White jwhite@codeweavers.com Date: Thu Feb 5 16:23:29 2009 -0600
sane.ds: More completely implement ICAP_XFERMECH, with helper functions.
---
dlls/sane.ds/capability.c | 168 +++++++++++++++++++++++++++++++-------------- 1 files changed, 117 insertions(+), 51 deletions(-)
diff --git a/dlls/sane.ds/capability.c b/dlls/sane.ds/capability.c index 1c71b7d..6ecabb3 100644 --- a/dlls/sane.ds/capability.c +++ b/dlls/sane.ds/capability.c @@ -183,6 +183,98 @@ TW_UINT16 SANE_SaneCapability (pTW_CAPABILITY pCapability, TW_UINT16 action) return twCC; }
+ +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; @@ -209,74 +301,48 @@ static TW_UINT16 TWAIN_GetSupportedCaps(pTW_CAPABILITY pCapability) }
-static TW_BOOL TWAIN_OneValueSet (pTW_CAPABILITY pCapability, TW_UINT32 value) -{ - pCapability->hContainer = GlobalAlloc (0, sizeof(TW_ONEVALUE)); - - if (pCapability->hContainer) - { - pTW_ONEVALUE pVal = GlobalLock (pCapability->hContainer); - pVal->ItemType = TWTY_UINT32; - pVal->Item = value; - GlobalUnlock (pCapability->hContainer); - return TRUE; - } - else - return FALSE; -} - -static TW_BOOL TWAIN_OneValueGet (pTW_CAPABILITY pCapability, TW_UINT32 *pValue) -{ - pTW_ONEVALUE pVal = GlobalLock (pCapability->hContainer); - - if (pVal) - { - *pValue = pVal->Item; - GlobalUnlock (pCapability->hContainer); - return TRUE; - } - else - return FALSE; -} - /* 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: - if (pCapability->ConType == TWON_ONEVALUE) - { - if (!TWAIN_OneValueSet (pCapability, activeDS.capXferMech)) - return TWCC_LOWMEMORY; - } + twCC = msg_get_enum(pCapability, possible_values, sizeof(possible_values) / sizeof(possible_values[0]), + TWTY_UINT16, activeDS.capXferMech, TWSX_NATIVE); break; + case MSG_SET: - if (pCapability->ConType == TWON_ONEVALUE) - { - TW_UINT32 xfermechtemp = 0; - if (!TWAIN_OneValueGet (pCapability, &xfermechtemp)) - return TWCC_LOWMEMORY; - activeDS.capXferMech = xfermechtemp; - } - else if (pCapability->ConType == TWON_ENUMERATION) + 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_GETCURRENT: - if (!TWAIN_OneValueSet (pCapability, activeDS.capXferMech)) - return TWCC_LOWMEMORY; - break; + case MSG_GETDEFAULT: - if (!TWAIN_OneValueSet (pCapability, TWSX_NATIVE)) - return TWCC_LOWMEMORY; + 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_SUCCESS; + return twCC; }