HCTX moTablet::InitTablet(HWND hWnd)
{
//TABLET: get current settings as a starting point for this context of the tablet.
//WTInfo(WTI_DEFCONTEXT, 0, &lcMine); // default settings may be different to current settings
WTInfo(WTI_DEFSYSCTX, 0, &lcMine); // current settings as set in control panel
lcMine.lcOptions |= CXO_MESSAGES; // keep existing options and make sure message handling is on for this context
//TABLET: PACKETDATA must be defined FIRST before including pktdef.h. See the header file of this class for more details
lcMine.lcPktData = PACKETDATA; // these settings MUST be defined in the pktdef.h file, see notes
lcMine.lcPktMode = PACKETMODE;
lcMine.lcMoveMask = PACKETDATA;
return WTOpen(hWnd, &lcMine, TRUE);
}
BOOL TabletStart()
// This function must be called before any mouse activity to stop the Wintab
// default context from preempting packet activity.
//////////////////////////////////////////////////////////////////////////////
{
LOGCONTEXT lcPictPub;
BOOL bSuccess = FALSE;
if( Control.UseTablet && ( hContext == NULL )) // context not created yet
{
WORD errormode = SetErrorMode( SEM_NOOPENFILEERRORBOX );
// check if WinTab available
bSuccess = WTInfo( 0, 0, NULL );
if( !bSuccess )
return( FALSE );
SetErrorMode( errormode );
// get default region
bSuccess = WTInfo( WTI_DEFSYSCTX, 0, &lcPictPub );
if( !bSuccess )
return( FALSE );
// modify the digitizing region
lstrcpy( lcPictPub.lcName, "PPLogContext" );
lcPictPub.lcOptions |= CXO_MESSAGES;
lcPictPub.lcPktData = PACKETDATA;
lcPictPub.lcPktMode = PACKETMODE;
lcPictPub.lcMoveMask = PACKETDATA;
lcPictPub.lcBtnUpMask = lcPictPub.lcBtnDnMask;
lcPictPub.lcOutOrgX = lcPictPub.lcOutOrgY = 0;
// X axis origin is the same as in Windows.
// Y axis is reversed because WinTab origin is at lower-left
lcPictPub.lcOutExtX = GetSystemMetrics( SM_CXSCREEN );
lcPictPub.lcOutExtY = -GetSystemMetrics( SM_CYSCREEN );
// open the region
hContext = WTOpen( AfxGetMainWnd()->GetSafeHwnd(), &lcPictPub, TRUE );
if( !hContext || !( SetTabletQueueSize( NPACKETQSIZE )))
return( FALSE );
}
return( Control.UseTablet );
}
/* -------------------------------------------------------------------------- */
HCTX static NEAR TabletInit(HWND hWnd, FIX32 scale[])
{
LOGCONTEXT lcMine;
/* get default region */
WTInfo(WTI_DEFCONTEXT, 0, &lcMine);
/* modify the digitizing region */
strcpy(lcMine.lcName, "Rule Digitizing");
lcMine.lcPktData = PACKETDATA;
lcMine.lcPktMode = PACKETMODE;
lcMine.lcMoveMask = 0;
lcMine.lcBtnUpMask = lcMine.lcBtnDnMask;
/* output in 1000ths of cm */
lcMine.lcOutOrgX = lcMine.lcOutOrgY = 0;
lcMine.lcOutExtX = INT(scale[0] * lcMine.lcInExtX);
lcMine.lcOutExtY = INT(scale[1] * lcMine.lcInExtY);
/* open the region */
return WTOpen(hWnd, &lcMine, TRUE);
}
