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twain--导出设置协议和获取协议的接口

This commit is contained in:
yangjiaxuan 2024-01-29 14:41:37 +08:00
parent 6d75b82a9a
commit 08e0dc14d0
5 changed files with 452 additions and 208 deletions
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2
build2/qt/HGTwainUser/HGTwainUser.def
View File

@ -27,3 +27,5 @@ HGTwain_EnableDSUIOnly
HGTwain_EnableDS
HGTwain_EnableDSWithSingleScan
HGTwain_DisableDS
HGTwain_SetCapbility
HGTwain_GetCapbility

22
modules/twain_user/HGTwain.cpp
View File

@ -324,3 +324,25 @@ HGResult HGAPI HGTwain_DisableDS(HGTwainDS ds)
HGTwainDSImpl* twainDSImpl = (HGTwainDSImpl*)ds;
return twainDSImpl->Disable();
}
HGEXPORT HGResult HGAPI HGTwain_SetCapbility(HGTwainDS ds, HGUShort cap, const HGCapValue *value, HGBool reset)
{
if (NULL == ds)
{
return HGBASE_ERR_INVALIDARG;
}
HGTwainDSImpl* twainDSImpl = (HGTwainDSImpl*)ds;
return twainDSImpl->SetCapbility(cap, value, reset);
}
HGEXPORT HGResult HGAPI HGTwain_GetCapbility(HGTwainDS ds, HGUShort cap, HGCapValue *value)
{
if (NULL == ds)
{
return HGBASE_ERR_INVALIDARG;
}
HGTwainDSImpl* twainDSImpl = (HGTwainDSImpl*)ds;
return twainDSImpl->GetCapbility(cap, value);
}

37
modules/twain_user/HGTwain.h
View File

@ -33,8 +33,41 @@ typedef struct
HGInt totalCount; // 历史张数
}HGTwainDeviceCustomInfo;
typedef struct
{
HGUInt type;
union
{
HGChar valueChar;
HGByte valueByte;
HGShort valueShort;
HGUShort valueUShort;
HGInt valueInt;
HGUInt valueUInt;
HGBool valueBool;
HGFloat valueFloat;
HGChar valueStr32[32];
HGChar valueStr64[64];
HGChar valueStr128[128];
HGChar valueStr255[255];
};
}HGCapValue;
#pragma pack(pop)
#define HGCAPVALUE_TYPE_CHAR 1
#define HGCAPVALUE_TYPE_BYTE 2
#define HGCAPVALUE_TYPE_SHORT 3
#define HGCAPVALUE_TYPE_USHORT 4
#define HGCAPVALUE_TYPE_INT 5
#define HGCAPVALUE_TYPE_UINT 6
#define HGCAPVALUE_TYPE_BOOL 7
#define HGCAPVALUE_TYPE_FLOAT 8
#define HGCAPVALUE_TYPE_STR32 9
#define HGCAPVALUE_TYPE_STR64 10
#define HGCAPVALUE_TYPE_STR128 11
#define HGCAPVALUE_TYPE_STR255 12
#define HGTWAIN_EVENT_TYPE_WORKING 1L
#define HGTWAIN_EVENT_TYPE_SCANFINISHED 2L
#define HGTWAIN_EVENT_TYPE_CLOSEDSREQ 3L
@ -98,4 +131,8 @@ HGEXPORT HGResult HGAPI HGTwain_EnableDSWithSingleScan(HGTwainDS ds, HWND parent
HGEXPORT HGResult HGAPI HGTwain_DisableDS(HGTwainDS ds);
HGEXPORT HGResult HGAPI HGTwain_SetCapbility(HGTwainDS ds, HGUShort cap, const HGCapValue *value, HGBool reset);
HGEXPORT HGResult HGAPI HGTwain_GetCapbility(HGTwainDS ds, HGUShort cap, HGCapValue *value);
#endif /* __HGTWAIN_H__ */

587
modules/twain_user/HGTwainImpl.cpp
View File

@ -432,7 +432,13 @@ HGResult HGTwainDSImpl::GetDeviceName(HGChar* name, HGUInt maxLen)
return HGBASE_ERR_INVALIDARG;
}
return GetCapStr255(0x8854, name, maxLen);
HGCapValue value;
value.type = HGCAPVALUE_TYPE_STR255;
HGResult ret = GetCapbility(0x8854, &value);
if (HGBASE_ERR_OK == ret)
strcpy(name, value.valueStr255);
return ret;
}
HGResult HGTwainDSImpl::GetDeviceCustomInfo(HGTwainDeviceCustomInfo *info)
@ -444,22 +450,42 @@ HGResult HGTwainDSImpl::GetDeviceCustomInfo(HGTwainDeviceCustomInfo *info)
memset(info, 0, sizeof(HGTwainDeviceCustomInfo));
GetCapInt(0x8852, &info->vid);
GetCapInt(0x8853, &info->pid);
GetCapStr255(0x8856, info->sn, sizeof(info->sn));
GetCapStr255(0x8855, info->type, sizeof(info->type));
GetCapStr255(0x8857, info->fwVer, sizeof(info->fwVer));
GetCapStr255(0x8858, info->ip, sizeof(info->ip));
GetCapStr255(0x8859, info->mac, sizeof(info->mac));
GetCapStr255(0x884A, info->driverVer, sizeof(info->driverVer));
GetCapStr255(0x884B, info->vendor, sizeof(info->vendor));
GetCapStr255(0x884C, info->copyright, sizeof(info->copyright));
GetCapStr255(0x884D, info->comUrl, sizeof(info->comUrl));
GetCapStr255(0x884E, info->comTel, sizeof(info->comTel));
GetCapStr255(0x884F, info->comAddr, sizeof(info->comAddr));
GetCapStr255(0x8850, info->comGps, sizeof(info->comGps));
GetCapInt(0x9902, &info->rollerCount);
GetCapInt(0x8849, &info->totalCount);
HGCapValue value;
GetCapbility(0x8852, &value);
info->vid = value.valueInt;
GetCapbility(0x8853, &value);
info->pid = value.valueInt;
GetCapbility(0x8856, &value);
strcpy(info->sn, value.valueStr255);
GetCapbility(0x8855, &value);
strcpy(info->type, value.valueStr255);
GetCapbility(0x8857, &value);
strcpy(info->fwVer, value.valueStr255);
GetCapbility(0x8858, &value);
strcpy(info->ip, value.valueStr255);
GetCapbility(0x8859, &value);
strcpy(info->mac, value.valueStr255);
GetCapbility(0x884A, &value);
strcpy(info->driverVer, value.valueStr255);
GetCapbility(0x884B, &value);
strcpy(info->vendor, value.valueStr255);
GetCapbility(0x884C, &value);
strcpy(info->copyright, value.valueStr255);
GetCapbility(0x884D, &value);
strcpy(info->comUrl, value.valueStr255);
GetCapbility(0x884E, &value);
strcpy(info->comTel, value.valueStr255);
GetCapbility(0x884F, &value);
strcpy(info->comAddr, value.valueStr255);
GetCapbility(0x8850, &value);
strcpy(info->comGps, value.valueStr255);
GetCapbility(0x9902, &value);
info->rollerCount = value.valueInt;
GetCapbility(0x8849, &value);
info->totalCount = value.valueInt;
return HGBASE_ERR_OK;
}
@ -530,11 +556,70 @@ HGResult HGTwainDSImpl::Logout()
HGResult HGTwainDSImpl::ClearRollerCount()
{
return ResetCapInt(0x9902, TWTY_INT32);
HGCapValue value;
value.type = HGCAPVALUE_TYPE_INT;
value.valueInt = 0;
return SetCapbility(0x9902, &value, true);
}
#pragma pack(push)
#pragma pack(1)
struct CapInt8Type
{
TW_UINT16 ItemType;
TW_INT8 Value;
};
struct CapInt16Type
{
TW_UINT16 ItemType;
TW_INT16 Value;
};
struct CapInt32Type
{
TW_UINT16 ItemType;
TW_INT32 Value;
};
struct CapUInt8Type
{
TW_UINT16 ItemType;
TW_UINT8 Value;
};
struct CapUInt16Type
{
TW_UINT16 ItemType;
TW_UINT16 Value;
};
struct CapUInt32Type
{
TW_UINT16 ItemType;
TW_UINT32 Value;
};
struct CapBoolType
{
TW_UINT16 ItemType;
TW_BOOL Value;
};
struct CapFix32Type
{
TW_UINT16 ItemType;
TW_FIX32 Value;
};
struct CapStr32Type
{
TW_UINT16 ItemType;
TW_STR32 Value;
};
struct CapStr64Type
{
TW_UINT16 ItemType;
TW_STR64 Value;
};
struct CapStr128Type
{
TW_UINT16 ItemType;
TW_STR128 Value;
};
struct CapStr255Type
{
TW_UINT16 ItemType;
@ -571,7 +656,9 @@ HGResult HGTwainDSImpl::GetDriverLog(const HGChar *fileName)
HGResult HGTwainDSImpl::ClearDriverLog()
{
return ResetCapStr255(0x9903);
HGCapValue value;
value.type = HGCAPVALUE_TYPE_STR255;
return SetCapbility(0x9903, &value, true);
}
HGResult HGTwainDSImpl::GetDeviceLog(const HGChar *fileName)
@ -603,7 +690,10 @@ HGResult HGTwainDSImpl::GetDeviceLog(const HGChar *fileName)
HGResult HGTwainDSImpl::ClearDeviceLog()
{
return ResetCapStr255(0x9904);
HGCapValue value;
value.type = HGCAPVALUE_TYPE_STR255;
return SetCapbility(0x9904, &value, true);
}
HGResult HGTwainDSImpl::EnableUIOnly(HWND parent, HGDSEventFunc eventFunc, HGPointer eventParam)
@ -660,8 +750,10 @@ HGResult HGTwainDSImpl::Enable(HGBool showUI, HWND parent, HGDSEventFunc eventFu
HGResult HGTwainDSImpl::EnableWithSingleScan(HWND parent, HGDSEventFunc eventFunc, HGPointer eventParam,
HGDSImageFunc imageFunc, HGPointer imageParam)
{
HGInt oldXferCount = -1;
HGResult ret = GetCapInt(CAP_XFERCOUNT, &oldXferCount);
HGCapValue value;
HGResult ret = GetCapbility(CAP_XFERCOUNT, &value);
HGInt oldXferCount = value.valueInt;
if (HGBASE_ERR_OK != ret)
{
TW_STATUS status;
@ -672,7 +764,10 @@ HGResult HGTwainDSImpl::EnableWithSingleScan(HWND parent, HGDSEventFunc eventFun
return ret;
}
ret = SetCapInt(CAP_XFERCOUNT, TWTY_INT16, 1);
HGCapValue value2;
value2.type = HGCAPVALUE_TYPE_SHORT;
value2.valueInt = 1;
ret = SetCapbility(CAP_XFERCOUNT, &value2, false);
if (HGBASE_ERR_OK != ret)
{
TW_STATUS status;
@ -688,7 +783,10 @@ HGResult HGTwainDSImpl::EnableWithSingleScan(HWND parent, HGDSEventFunc eventFun
twUI.hParent = (TW_HANDLE)parent;
if (TWRC_SUCCESS != m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_CONTROL, DAT_USERINTERFACE, MSG_ENABLEDS, (TW_MEMREF)&twUI))
{
SetCapInt(CAP_XFERCOUNT, TWTY_INT16, oldXferCount);
HGCapValue value3;
value3.type = HGCAPVALUE_TYPE_SHORT;
value3.valueInt = oldXferCount;
SetCapbility(CAP_XFERCOUNT, &value3, false);
TW_STATUS status;
m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_CONTROL, DAT_STATUS, MSG_GET, (TW_MEMREF)&status);
@ -718,7 +816,10 @@ HGResult HGTwainDSImpl::Disable()
if (m_singleScan)
{
SetCapInt(CAP_XFERCOUNT, TWTY_INT16, m_oldXferCount);
HGCapValue value;
value.type = HGCAPVALUE_TYPE_SHORT;
value.valueInt = m_oldXferCount;
SetCapbility(CAP_XFERCOUNT, &value, false);
}
m_singleScan = FALSE;
@ -732,75 +833,77 @@ HGResult HGTwainDSImpl::Disable()
return HGBASE_ERR_OK;
}
#pragma pack(push)
#pragma pack(1)
struct CapInt8Type
{
TW_UINT16 ItemType;
TW_INT8 Value;
};
struct CapInt16Type
{
TW_UINT16 ItemType;
TW_INT16 Value;
};
struct CapInt32Type
{
TW_UINT16 ItemType;
TW_INT32 Value;
};
#pragma pack(pop)
HGResult HGTwainDSImpl::SetCapInt(HGUInt cap, TW_UINT16 itemType, HGInt value)
{
TW_CAPABILITY twCap;
twCap.Cap = (TW_UINT16)cap;
twCap.ConType = TWON_ONEVALUE;
DWORD size = sizeof(CapInt32Type);
if (itemType == TWTY_INT8)
size = sizeof(CapInt8Type);
else if (itemType == TWTY_INT16)
size = sizeof(CapInt16Type);
twCap.hContainer = GlobalAlloc(GHND, size);
if (NULL == twCap.hContainer)
{
return HGBASE_ERR_FAIL;
}
void* pVal = GlobalLock(twCap.hContainer);
assert(NULL != pVal);
if (itemType == TWTY_INT8)
{
((CapInt8Type*)pVal)->ItemType = TWTY_INT8;
((CapInt8Type*)pVal)->Value = (TW_INT8)value;
}
else if (itemType == TWTY_INT16)
{
((CapInt16Type*)pVal)->ItemType = TWTY_INT16;
((CapInt16Type*)pVal)->Value = (TW_INT16)value;
}
else
{
((CapInt32Type*)pVal)->ItemType = TWTY_INT32;
((CapInt32Type*)pVal)->Value = (TW_INT32)value;
}
GlobalUnlock(twCap.hContainer);
USHORT ret = m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_CONTROL, DAT_CAPABILITY, MSG_SET, &twCap);
GlobalFree(twCap.hContainer);
return (TWRC_SUCCESS == ret) ? HGBASE_ERR_OK : HGTWAIN_ERR_FAIL;
}
HGResult HGTwainDSImpl::ResetCapInt(HGUInt cap, TW_UINT16 itemType)
HGResult HGTwainDSImpl::SetCapbility(HGUShort cap, const HGCapValue* value, HGBool reset)
{
TW_CAPABILITY twCap;
twCap.Cap = (TW_UINT16)cap;
twCap.ConType = TWON_ONEVALUE;
DWORD size = sizeof(CapInt32Type);
if (itemType == TWTY_INT8)
twCap.hContainer = NULL;
HGInt size = 0;
TW_UINT16 itemType = 0;
if (HGCAPVALUE_TYPE_CHAR == value->type)
{
size = sizeof(CapInt8Type);
else if (itemType == TWTY_INT16)
itemType = TWTY_INT8;
}
else if (HGCAPVALUE_TYPE_BYTE == value->type)
{
size = sizeof(CapUInt8Type);
itemType = TWTY_UINT8;
}
else if (HGCAPVALUE_TYPE_SHORT == value->type)
{
size = sizeof(CapInt16Type);
itemType = TWTY_INT16;
}
else if (HGCAPVALUE_TYPE_USHORT == value->type)
{
size = sizeof(CapUInt16Type);
itemType = TWTY_UINT16;
}
else if (HGCAPVALUE_TYPE_INT == value->type)
{
size = sizeof(CapInt32Type);
itemType = TWTY_INT32;
}
else if (HGCAPVALUE_TYPE_UINT == value->type)
{
size = sizeof(CapUInt32Type);
itemType = TWTY_UINT32;
}
else if (HGCAPVALUE_TYPE_BOOL == value->type)
{
size = sizeof(CapBoolType);
itemType = TWTY_BOOL;
}
else if (HGCAPVALUE_TYPE_FLOAT == value->type)
{
size = sizeof(CapFix32Type);
itemType = TWTY_FIX32;
}
else if (HGCAPVALUE_TYPE_STR32 == value->type)
{
size = sizeof(CapStr32Type);
itemType = TWTY_STR32;
}
else if (HGCAPVALUE_TYPE_STR64 == value->type)
{
size = sizeof(CapStr64Type);
itemType = TWTY_STR64;
}
else if (HGCAPVALUE_TYPE_STR128 == value->type)
{
size = sizeof(CapStr128Type);
itemType = TWTY_STR128;
}
else if (HGCAPVALUE_TYPE_STR255 == value->type)
{
size = sizeof(CapStr255Type);
itemType = TWTY_STR255;
}
twCap.hContainer = GlobalAlloc(GHND, size);
if (NULL == twCap.hContainer)
{
@ -809,125 +912,94 @@ HGResult HGTwainDSImpl::ResetCapInt(HGUInt cap, TW_UINT16 itemType)
void* pVal = GlobalLock(twCap.hContainer);
assert(NULL != pVal);
if (itemType == TWTY_INT8)
if (HGCAPVALUE_TYPE_CHAR == value->type)
{
((CapInt8Type*)pVal)->ItemType = TWTY_INT8;
((CapInt8Type*)pVal)->Value = 0;
((CapInt8Type*)pVal)->ItemType = itemType;
((CapInt8Type*)pVal)->Value = value->valueChar;
}
else if (itemType == TWTY_INT16)
else if (HGCAPVALUE_TYPE_BYTE == value->type)
{
((CapInt16Type*)pVal)->ItemType = TWTY_INT16;
((CapInt16Type*)pVal)->Value = 0;
((CapUInt8Type*)pVal)->ItemType = itemType;
((CapUInt8Type*)pVal)->Value = value->valueByte;
}
else
else if (HGCAPVALUE_TYPE_SHORT == value->type)
{
((CapInt32Type*)pVal)->ItemType = TWTY_INT32;
((CapInt32Type*)pVal)->Value = 0;
((CapInt16Type*)pVal)->ItemType = itemType;
((CapInt16Type*)pVal)->Value = value->valueShort;
}
else if (HGCAPVALUE_TYPE_USHORT == value->type)
{
((CapUInt16Type*)pVal)->ItemType = itemType;
((CapUInt16Type*)pVal)->Value = value->valueUShort;
}
else if (HGCAPVALUE_TYPE_INT == value->type)
{
((CapInt32Type*)pVal)->ItemType = itemType;
((CapInt32Type*)pVal)->Value = value->valueInt;
}
else if (HGCAPVALUE_TYPE_UINT == value->type)
{
((CapUInt32Type*)pVal)->ItemType = itemType;
((CapUInt32Type*)pVal)->Value = value->valueUInt;
}
else if (HGCAPVALUE_TYPE_BOOL == value->type)
{
((CapBoolType*)pVal)->ItemType = itemType;
((CapBoolType*)pVal)->Value = value->valueBool;
}
else if (HGCAPVALUE_TYPE_FLOAT == value->type)
{
((CapFix32Type*)pVal)->ItemType = itemType;
((CapFix32Type*)pVal)->Value = FloatToFIX32(value->valueFloat);
}
else if (HGCAPVALUE_TYPE_STR32 == value->type)
{
assert(NULL != pVal);
((CapStr32Type*)pVal)->ItemType = itemType;
if (reset)
memset(((CapStr32Type*)pVal)->Value, 0, sizeof(((CapStr32Type*)pVal)->Value));
else
strcpy(((CapStr32Type*)pVal)->Value, value->valueStr32);
}
else if (HGCAPVALUE_TYPE_STR64 == value->type)
{
assert(NULL != pVal);
((CapStr64Type*)pVal)->ItemType = itemType;
if (reset)
memset(((CapStr64Type*)pVal)->Value, 0, sizeof(((CapStr64Type*)pVal)->Value));
else
strcpy(((CapStr64Type*)pVal)->Value, value->valueStr64);
}
else if (HGCAPVALUE_TYPE_STR128 == value->type)
{
assert(NULL != pVal);
((CapStr128Type*)pVal)->ItemType = itemType;
if (reset)
memset(((CapStr128Type*)pVal)->Value, 0, sizeof(((CapStr128Type*)pVal)->Value));
else
strcpy(((CapStr128Type*)pVal)->Value, value->valueStr128);
}
else if (HGCAPVALUE_TYPE_STR255 == value->type)
{
assert(NULL != pVal);
((CapStr255Type*)pVal)->ItemType = itemType;
if (reset)
memset(((CapStr255Type*)pVal)->Value, 0, sizeof(((CapStr255Type*)pVal)->Value));
else
strcpy(((CapStr255Type*)pVal)->Value, value->valueStr255);
}
GlobalUnlock(twCap.hContainer);
USHORT ret = m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_CONTROL, DAT_CAPABILITY, MSG_RESET, &twCap);
GlobalUnlock(twCap.hContainer);
USHORT ret = m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_CONTROL, DAT_CAPABILITY, reset ? MSG_RESET : MSG_SET, &twCap);
GlobalFree(twCap.hContainer);
return (TWRC_SUCCESS == ret) ? HGBASE_ERR_OK : HGTWAIN_ERR_FAIL;
}
HGResult HGTwainDSImpl::GetCapInt(HGUInt cap, HGInt* value)
HGResult HGTwainDSImpl::GetCapbility(HGUShort cap, HGCapValue* value)
{
if (NULL == value)
{
return HGBASE_ERR_INVALIDARG;
}
TW_CAPABILITY twCap;
twCap.Cap = (TW_UINT16)cap;
twCap.ConType = TWON_ONEVALUE;
twCap.hContainer = NULL;
if (TWRC_SUCCESS != m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_CONTROL, DAT_CAPABILITY, MSG_GETCURRENT, &twCap))
{
return HGTWAIN_ERR_FAIL;
}
HGResult ret = HGBASE_ERR_FAIL;
assert(NULL != twCap.hContainer);
void* pVal = GlobalLock(twCap.hContainer);
if (NULL != pVal)
{
TW_UINT16 ItemType = *(TW_UINT16*)pVal;
if (ItemType == TWTY_INT8)
{
*value = ((CapInt8Type*)pVal)->Value;
ret = HGBASE_ERR_OK;
}
else if (ItemType == TWTY_INT16)
{
*value = ((CapInt16Type*)pVal)->Value;
ret = HGBASE_ERR_OK;
}
else if (ItemType == TWTY_INT32)
{
*value = ((CapInt32Type*)pVal)->Value;
ret = HGBASE_ERR_OK;
}
GlobalUnlock(twCap.hContainer);
}
GlobalFree(twCap.hContainer);
return ret;
}
HGResult HGTwainDSImpl::SetCapStr255(HGUInt cap, const HGChar *value)
{
if (NULL == value || strlen(value) >= sizeof(TW_STR255))
{
return HGBASE_ERR_INVALIDARG;
}
TW_CAPABILITY twCap;
twCap.Cap = (TW_UINT16)cap;
twCap.ConType = TWON_ONEVALUE;
twCap.hContainer = GlobalAlloc(GHND, sizeof(CapStr255Type));
if (NULL == twCap.hContainer)
{
return HGBASE_ERR_FAIL;
}
CapStr255Type* pVal = (CapStr255Type*)GlobalLock(twCap.hContainer);
assert(NULL != pVal);
pVal->ItemType = TWTY_STR255;
strcpy(pVal->Value, value);
GlobalUnlock(twCap.hContainer);
USHORT ret = m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_CONTROL, DAT_CAPABILITY, MSG_SET, &twCap);
GlobalFree(twCap.hContainer);
return (TWRC_SUCCESS == ret) ? HGBASE_ERR_OK : HGTWAIN_ERR_FAIL;
}
HGResult HGTwainDSImpl::ResetCapStr255(HGUInt cap)
{
TW_CAPABILITY twCap;
twCap.Cap = (TW_UINT16)cap;
twCap.ConType = TWON_ONEVALUE;
twCap.hContainer = GlobalAlloc(GHND, sizeof(CapStr255Type));
if (NULL == twCap.hContainer)
{
return HGBASE_ERR_FAIL;
}
CapStr255Type* pVal = (CapStr255Type*)GlobalLock(twCap.hContainer);
assert(NULL != pVal);
pVal->ItemType = TWTY_STR255;
memset(pVal->Value, 0, sizeof(pVal->Value));
GlobalUnlock(twCap.hContainer);
USHORT ret = m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_CONTROL, DAT_CAPABILITY, MSG_RESET, &twCap);
GlobalFree(twCap.hContainer);
return (TWRC_SUCCESS == ret) ? HGBASE_ERR_OK : HGTWAIN_ERR_FAIL;
}
HGResult HGTwainDSImpl::GetCapStr255(HGUInt cap, HGChar *value, HGUInt maxLen)
{
if (NULL == value || 0 == maxLen)
if (NULL == value)
{
return HGBASE_ERR_INVALIDARG;
}
@ -943,20 +1015,115 @@ HGResult HGTwainDSImpl::GetCapStr255(HGUInt cap, HGChar *value, HGUInt maxLen)
HGResult ret = HGBASE_ERR_FAIL;
assert(NULL != twCap.hContainer);
CapStr255Type* pVal = (CapStr255Type*)GlobalLock(twCap.hContainer);
if (NULL != pVal && pVal->ItemType == TWTY_STR255)
void* pVal = GlobalLock(twCap.hContainer);
if (NULL != pVal)
{
if (maxLen > strlen(pVal->Value))
TW_UINT16 ItemType = *(TW_UINT16*)pVal;
if (ItemType == TWTY_INT8)
{
strcpy(value, pVal->Value);
value->type = HGCAPVALUE_TYPE_CHAR;
value->valueChar = ((CapInt8Type*)pVal)->Value;
ret = HGBASE_ERR_OK;
}
else
else if (ItemType == TWTY_UINT8)
{
ret = HGBASE_ERR_INVALIDARG;
value->type = HGCAPVALUE_TYPE_BYTE;
value->valueByte = ((CapUInt8Type*)pVal)->Value;
ret = HGBASE_ERR_OK;
}
else if (ItemType == TWTY_INT16)
{
value->type = HGCAPVALUE_TYPE_SHORT;
value->valueShort = ((CapInt16Type*)pVal)->Value;
ret = HGBASE_ERR_OK;
}
else if (ItemType == TWTY_UINT16)
{
value->type = HGCAPVALUE_TYPE_USHORT;
value->valueUShort = ((CapUInt16Type*)pVal)->Value;
ret = HGBASE_ERR_OK;
}
else if (ItemType == TWTY_INT32)
{
value->type = HGCAPVALUE_TYPE_INT;
value->valueInt = ((CapInt32Type*)pVal)->Value;
ret = HGBASE_ERR_OK;
}
else if (ItemType == TWTY_UINT32)
{
value->type = HGCAPVALUE_TYPE_UINT;
value->valueUInt = ((CapUInt32Type*)pVal)->Value;
ret = HGBASE_ERR_OK;
}
else if (ItemType == TWTY_BOOL)
{
value->type = HGCAPVALUE_TYPE_BOOL;
value->valueBool = ((CapBoolType*)pVal)->Value;
ret = HGBASE_ERR_OK;
}
else if (ItemType == TWTY_FIX32)
{
value->type = HGCAPVALUE_TYPE_FLOAT;
value->valueFloat = FIX32ToFloat(((CapFix32Type*)pVal)->Value);
ret = HGBASE_ERR_OK;
}
else if (ItemType == TWTY_STR32)
{
if (32 > strlen(((CapStr32Type*)pVal)->Value))
{
value->type = HGCAPVALUE_TYPE_STR32;
strcpy(value->valueStr32, ((CapStr32Type*)pVal)->Value);
ret = HGBASE_ERR_OK;
}
else
{
ret = HGBASE_ERR_INVALIDARG;
}
}
else if (ItemType == TWTY_STR64)
{
if (64 > strlen(((CapStr64Type*)pVal)->Value))
{
value->type = HGCAPVALUE_TYPE_STR64;
strcpy(value->valueStr64, ((CapStr64Type*)pVal)->Value);
ret = HGBASE_ERR_OK;
}
else
{
ret = HGBASE_ERR_INVALIDARG;
}
}
else if (ItemType == TWTY_STR128)
{
if (128 > strlen(((CapStr128Type*)pVal)->Value))
{
value->type = HGCAPVALUE_TYPE_STR128;
strcpy(value->valueStr128, ((CapStr128Type*)pVal)->Value);
ret = HGBASE_ERR_OK;
}
else
{
ret = HGBASE_ERR_INVALIDARG;
}
}
else if (ItemType == TWTY_STR255)
{
if (255 > strlen(((CapStr255Type*)pVal)->Value))
{
value->type = HGCAPVALUE_TYPE_STR255;
strcpy(value->valueStr255, ((CapStr255Type*)pVal)->Value);
ret = HGBASE_ERR_OK;
}
else
{
ret = HGBASE_ERR_INVALIDARG;
}
}
GlobalUnlock(twCap.hContainer);
}
GlobalUnlock(twCap.hContainer);
GlobalFree(twCap.hContainer);
return ret;
@ -1045,6 +1212,22 @@ HGResult HGTwainDSImpl::Reset()
return HGBASE_ERR_OK;
}
TW_FIX32 HGTwainDSImpl::FloatToFIX32(float i_float)
{
TW_FIX32 Fix32_value;
TW_INT32 value = (TW_INT32)(i_float * 65536.0 + 0.5);
Fix32_value.Whole = LOWORD(value >> 16);
Fix32_value.Frac = LOWORD(value & 0x0000ffffL);
return Fix32_value;
}
float HGTwainDSImpl::FIX32ToFloat(TW_FIX32 FIX32Value)
{
TW_INT16 whole = FIX32Value.Whole;
TW_UINT16 frac = FIX32Value.Frac;
return (float)(whole << 16 | frac) / 65536.0;
}
void HGAPI HGTwainDSImpl::ThreadFunc(HGThread thread, HGPointer param)
{
(void)thread;

12
modules/twain_user/HGTwainImpl.hpp
View File

@ -72,17 +72,17 @@ public:
HGDSImageFunc imageFunc, HGPointer imageParam);
HGResult Disable();
HGResult SetCapbility(HGUShort cap, const HGCapValue* value, HGBool reset);
HGResult GetCapbility(HGUShort cap, HGCapValue* value);
private:
HGResult SetCapInt(HGUInt cap, TW_UINT16 itemType, HGInt value);
HGResult ResetCapInt(HGUInt cap, TW_UINT16 itemType);
HGResult GetCapInt(HGUInt cap, HGInt* value);
HGResult SetCapStr255(HGUInt cap, const HGChar *value);
HGResult ResetCapStr255(HGUInt cap);
HGResult GetCapStr255(HGUInt cap, HGChar *value, HGUInt maxLen);
HGResult ImageNativeXfer(HGUInt type, HGUInt origin, HGImage* image);
HGResult EndXfer(HGUInt* count);
HGResult Reset();
TW_FIX32 FloatToFIX32(float i_float);
float FIX32ToFloat(TW_FIX32 FIX32Value);
static void HGAPI ThreadFunc(HGThread thread, HGPointer param);
private: