/** Opens a Data Source */
bool KSaneWidgetPrivate::OpenSource(const QString &source)
{
if (source.isEmpty()) {
return false;
}
QStringList splited = source.split(';');
if (splited.size() != 3) {
return false;
}
// go thorough the list and check if the source is available
bool ret_ok = CallTwainProc(&m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_GETFIRST, &m_Source);
while (ret_ok) {
//qDebug() << m_Source.Id << m_Source.Version.MajorNum << m_Source.Version.MinorNum;
//qDebug() << m_Source.Manufacturer << m_Source.ProductFamily << m_Source.ProductName;
if (QString(m_Source.ProductName) == splited[0]) break;
ret_ok = CallTwainProc(&m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_GETNEXT, &m_Source);
}
if (!ret_ok) {
// CallTwainProc failed when reading beyond the last source
return false;
}
// open the source
if (m_hTwainDLL && m_pDSMProc && m_bDSMOpen) {
m_bDSOpen = CallTwainProc(&m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_OPENDS, (TW_MEMREF)&m_Source);
//qDebug() << "OpenSource(qst..) m_bDSOpen" << m_bDSOpen;
}
SetImageCount(TWCPP_ANYCOUNT);
return DSOpen();
}
BOOL CTwain::Acquire(int numImages /*= 1*/, BOOL bShowUI)
{
if (DSOpen() || OpenSource())
{
TW_UINT16 nCut = 1;
BOOL ret_value = SetCapability(ICAP_AUTOMATICBORDERDETECTION, nCut, TRUE); //自动裁剪
TW_UINT16 nRotate = 1;
ret_value = SetCapability(ICAP_AUTOMATICDESKEW, nRotate, TRUE); //自动纠偏
#if 0
TW_UINT16 nBright = (135 - 128) / 0.125;
ret_value = SetCapability(ICAP_BRIGHTNESS, nBright, TRUE); //亮度调节
TW_UINT16 nContrast = (135 - 128) / 0.125;
ret_value = SetCapability(ICAP_CONTRAST, nContrast, TRUE); //对比度调节
#endif
if (SetImageCount(numImages))
{
if (EnableSource(bShowUI))
{
return TRUE;
}
}
}
return FALSE;
}
BOOL CTwain::SetOneValueCapability(TW_UINT16 cap, TW_UINT16 Type, TW_UINT16 value/*,BOOL sign*/)
{
if (DSOpen())
{
TW_CAPABILITY twCap;
pTW_ONEVALUE pVal;
BOOL ret_value = FALSE;
twCap.Cap = cap;
twCap.ConType = TWON_ONEVALUE;
twCap.hContainer = GlobalAlloc(GHND, sizeof(TW_ONEVALUE));
if (twCap.hContainer)
{
pVal = (pTW_ONEVALUE)GlobalLock(twCap.hContainer);
pVal->ItemType = Type;
pVal->Item = (TW_UINT32)value;
ret_value = SetCapability(twCap);
GlobalUnlock(twCap.hContainer);
GlobalFree(twCap.hContainer);
}
else
{
//AfxMessageBox("twCap.hContainer false");
}
return ret_value;
}
return FALSE;
}
/*
Sets the capability of the Twain Data Source
*/
BOOL CTwain::SetCapability(TW_UINT16 cap,TW_UINT16 value,BOOL sign)
{
if(DSOpen())
{
TW_CAPABILITY twCap;
pTW_ONEVALUE pVal;
BOOL ret_value = FALSE;
twCap.Cap = cap;
twCap.ConType = TWON_ONEVALUE;
twCap.hContainer = GlobalAlloc(GHND,sizeof(TW_ONEVALUE));
if(twCap.hContainer)
{
pVal = (pTW_ONEVALUE)GlobalLock(twCap.hContainer);
pVal->ItemType = sign ? TWTY_INT16 : TWTY_UINT16;
pVal->Item = (TW_UINT32)value;
GlobalUnlock(twCap.hContainer);
ret_value = SetCapability(twCap);
GlobalFree(twCap.hContainer);
}
return ret_value;
}
return FALSE;
}
/** Sets the capability of the Twain Data Source */
bool KSaneWidgetPrivate::SetCapability(TW_CAPABILITY& cap)
{
if(DSOpen()) {
return CallTwainProc(&m_AppId, &m_Source, DG_CONTROL,
DAT_CAPABILITY, MSG_SET, (TW_MEMREF)&cap);
}
return false;
}
/*
Sets the capability of the Twain Data Source
*/
BOOL CTwain::SetCapability(TW_CAPABILITY& cap)
{
if(DSOpen())
{
return CallTwainProc(&m_AppId,&m_Source,DG_CONTROL,DAT_CAPABILITY,MSG_SET,(TW_MEMREF)&cap);
}
return FALSE;
}
/*
Closes the Data Source
*/
void CTwain::CloseDS()
{
if(DSOpen())
{
DisableSource();
CallTwainProc(&m_AppId,NULL,DG_CONTROL,DAT_IDENTITY,MSG_CLOSEDS,(TW_MEMREF)&m_Source);
m_bDSOpen = FALSE;
}
}
/** Re-Opens a Data Source */
bool KSaneWidgetPrivate::ReOpenDialog()
{
//qDebug() << "ReOpenSource:" << m_hTwainDLL << m_pDSMProc << m_bDSMOpen << m_bDSOpen;
if (DSOpen()) {
// already open
return true;
}
// open the source
if (m_hTwainDLL && m_pDSMProc && m_bDSMOpen) {
m_bDSOpen = CallTwainProc(&m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_OPENDS, (TW_MEMREF)&m_Source);
//qDebug() << "ReOpenSource() m_bDSOpen" << m_bDSOpen;
}
SetImageCount(TWCPP_ANYCOUNT);
if (DSOpen()) {
return EnableSource(true);
}
//else
return false;
}
/*
Called to acquire images from the source. parameter numImages i the
numberof images that you an handle concurrently
*/
BOOL CTwain::Acquire(int numImages)
{
if(DSOpen() || OpenSource())
{
if(SetImageCount(numImages))
{
if(EnableSource())
{
return TRUE;
}
}
}
return FALSE;
}
/*
Queries the capability of the Twain Data Source
*/
BOOL CTwain::GetCapability(TW_CAPABILITY& twCap,TW_UINT16 cap,TW_UINT16 conType)
{
if(DSOpen())
{
twCap.Cap = cap;
twCap.ConType = conType;
twCap.hContainer = NULL;
if(CallTwainProc(&m_AppId,&m_Source,DG_CONTROL,DAT_CAPABILITY,MSG_GET,(TW_MEMREF)&twCap))
{
return TRUE;
}
}
return FALSE;
}
/** Closes the Data Source
*/
void KSaneWidgetPrivate::CloseDS()
{
if(DSOpen()) {
if(m_bSourceEnabled) {
TW_USERINTERFACE twUI;
if(CallTwainProc(&m_AppId, &m_Source, DG_CONTROL,
DAT_USERINTERFACE, MSG_DISABLEDS, &twUI)) {
m_bSourceEnabled = false;
}
}
CallTwainProc(&m_AppId, NULL, DG_CONTROL,
DAT_IDENTITY, MSG_CLOSEDS, (TW_MEMREF)&m_Source);
m_bDSOpen = false;
}
}
/*
Opens a Data Source supplied as the input parameter
*/
BOOL CTwain::OpenSource(TW_IDENTITY *pSource)
{
if(pSource)
{
m_Source = *pSource;
}
if(DSMOpen())
{
if(!SourceSelected())
{
SelectDefaultSource();
}
m_bDSOpen = CallTwainProc(&m_AppId,NULL,DG_CONTROL,DAT_IDENTITY,MSG_OPENDS,(TW_MEMREF)&m_Source);
}
return DSOpen();
}
/** Queries the capability of the Twain Data Source */
bool KSaneWidgetPrivate::GetCapability(TW_CAPABILITY& twCap, TW_UINT16 cap, TW_UINT16 conType)
{
if(DSOpen())
{
twCap.Cap = cap;
twCap.ConType = conType;
twCap.hContainer = NULL;
if(CallTwainProc(&m_AppId, &m_Source, DG_CONTROL,
DAT_CAPABILITY, MSG_GET, (TW_MEMREF)&twCap))
{
return true;
}
}
return false;
}
/** Called to acquire images from the source. parameter numImages is the
number of images that you an handle concurrently
*/
bool TwainIface::Acquire(int numImages)
{
if(DSOpen() || OpenSource())
{
if(SetImageCount(numImages))
{
if(EnableSource())
{
//ReleaseTwain();
//TW_IMAGEINFO info;
//GetImageInfo(info);
//GetImage(info);
return true;
}
}
}
return false;
}
/*
Called to acquire images from the source. parameter numImages i the
numberof images that you an handle concurrently
*/
BOOL CTwain::Acquire(int numImages, TW_UINT16 duplex, TW_UINT16 size, TW_UINT16 pixel, TW_UINT16 resolution, BOOL bShowUI, int nAutoCut)
{
if(DSOpen() || OpenSource())
{
_bTwainContinue = TRUE;
// BOOL ret_value=SetCapability(CAP_DUPLEXENABLED,duplex,TRUE);
if (duplex == 1)
duplex = TRUE;
else
duplex = FALSE; // CAP_DUPLEX
BOOL ret_value = SetOneValueCapability(CAP_DUPLEXENABLED, TWTY_BOOL, duplex); //单双面扫描控制 //duplex, TRUE
// ret_value = SetCapability(CAP_DUPLEX, duplex, TRUE);
ret_value=SetCapability(ICAP_SUPPORTEDSIZES,size,TRUE);
ret_value=SetCapability(ICAP_PIXELTYPE,pixel,TRUE);
ret_value=SetResolution(ICAP_XRESOLUTION,resolution);
ret_value=SetResolution(ICAP_YRESOLUTION,resolution);
ret_value = SetCapability(ICAP_AUTOMATICBORDERDETECTION, nAutoCut, TRUE); //自动裁剪
TW_UINT16 nRotate = 1;
ret_value = SetCapability(ICAP_AUTOMATICDESKEW, nRotate, TRUE); //自动纠偏
#if 0
TW_UINT16 nBright = (135 - 128) / 0.125;
ret_value = SetCapability(ICAP_BRIGHTNESS, nBright, TRUE); //亮度调节
TW_UINT16 nContrast = (135 - 128) / 0.125;
ret_value = SetCapability(ICAP_CONTRAST, nContrast, TRUE); //对比度调节
#endif
if(SetImageCount(numImages))
{
if (EnableSource(bShowUI))
{
return TRUE;
}
}
}
return FALSE;
}
/*
Called to enable the Twain Acquire Dialog. This too can be
overridden but is a helluva job .
*/
BOOL CTwain::EnableSource(BOOL showUI)
{
if(DSOpen() && !SourceEnabled())
{
twUI.ShowUI = showUI; //FALSE
twUI.hParent = (TW_HANDLE)m_hMessageWnd;
if(CallTwainProc(&m_AppId,&m_Source,DG_CONTROL,DAT_USERINTERFACE,MSG_ENABLEDS,(TW_MEMREF)&twUI))
{
m_bSourceEnabled = TRUE;
m_bModalUI = twUI.ModalUI;
}
else
{
m_bSourceEnabled = FALSE;
m_bModalUI = TRUE;
}
return m_bSourceEnabled;
}
return FALSE;
}
/** Sets the capability of the Twain Data Source */
bool KSaneWidgetPrivate::SetCapability(TW_UINT16 cap, TW_UINT16 value, bool sign)
{
if(DSOpen()) {
TW_CAPABILITY twCap;
pTW_ONEVALUE pVal;
bool ret_value = false;
twCap.Cap = cap;
twCap.ConType = TWON_ONEVALUE;
twCap.hContainer = GlobalAlloc(GHND,sizeof(TW_ONEVALUE));
if(twCap.hContainer) {
pVal = (pTW_ONEVALUE)GlobalLock(twCap.hContainer);
pVal->ItemType = sign ? TWTY_INT16 : TWTY_UINT16;
pVal->Item = (TW_UINT32)value;
GlobalUnlock(twCap.hContainer);
ret_value = SetCapability(twCap);
GlobalFree(twCap.hContainer);
}
return ret_value;
}
return false;
}
/** Called to enable the Twain Acquire Dialog. This too can be
overridden but is a helluva job .
*/
bool TwainIface::EnableSource(bool showUI)
{
if(DSOpen() && !SourceEnabled())
{
TW_USERINTERFACE twUI;
twUI.ShowUI = showUI;
twUI.hParent = (TW_HANDLE)m_hMessageWnd;
if(CallTwainProc(&m_AppId, &m_Source, DG_CONTROL,
DAT_USERINTERFACE, MSG_ENABLEDS, (TW_MEMREF)&twUI))
{
m_bSourceEnabled = true;
m_bModalUI = twUI.ModalUI;
}
else
{
m_bSourceEnabled = false;
m_bModalUI = true;
}
return m_bSourceEnabled;
}
return false;
}
/** Called to enable the Twain Acquire Dialog. This too can be
* overridden but is a helluva job. */
bool KSaneWidgetPrivate::EnableSource(bool showUI)
{
//qDebug() << "DSOpen() =" << DSOpen();
if(DSOpen() && !m_bSourceEnabled) {
TW_USERINTERFACE twUI;
twUI.ShowUI = showUI;
twUI.hParent = (TW_HANDLE)m_hMessageWnd;
if(CallTwainProc(&m_AppId, &m_Source, DG_CONTROL,
DAT_USERINTERFACE, MSG_ENABLEDS, (TW_MEMREF)&twUI))
{
m_bSourceEnabled = true;
m_bModalUI = twUI.ModalUI;
}
else {
m_bSourceEnabled = false;
m_bModalUI = true;
}
//qDebug() << "EnableSource:ModalUI=" << twUI.ModalUI;
return m_bSourceEnabled;
}
return false;
}
