SANE_Status
sane_start (SANE_Handle h)
{
TScanner *s;
SANE_Parameters par;
HP5400_DBG (DBG_MSG, "sane_start\n");
s = (TScanner *) h;
if (sane_get_parameters (h, &par) != SANE_STATUS_GOOD)
{
HP5400_DBG (DBG_MSG, "Invalid scan parameters (sane_get_parameters)\n");
return SANE_STATUS_INVAL;
}
s->iLinesLeft = par.lines;
/* fill in the scanparams using the option values */
s->ScanParams.iDpi = s->aValues[optDPI].w;
s->ScanParams.iLpi = s->aValues[optDPI].w;
/* Guessing here. 75dpi => 1, 2400dpi => 32 */
/* s->ScanParams.iColourOffset = s->aValues[optDPI].w / 75; */
/* now we don't need correction => corrected by scan request type ? */
s->ScanParams.iColourOffset = 0;
s->ScanParams.iTop =
MM_TO_PIXEL (s->aValues[optTLY].w + s->HWParams.iTopLeftY, HW_LPI);
s->ScanParams.iLeft =
MM_TO_PIXEL (s->aValues[optTLX].w + s->HWParams.iTopLeftX, HW_DPI);
/* Note: All measurements passed to the scanning routines must be in HW_LPI */
s->ScanParams.iWidth =
MM_TO_PIXEL (s->aValues[optBRX].w - s->aValues[optTLX].w, HW_LPI);
s->ScanParams.iHeight =
MM_TO_PIXEL (s->aValues[optBRY].w - s->aValues[optTLY].w, HW_LPI);
/* After the scanning, the iLines and iBytesPerLine will be filled in */
/* copy gamma table */
WriteGammaCalibTable (s->HWParams.iXferHandle, s->aGammaTableR,
s->aGammaTableG, s->aGammaTableB);
/* prepare the actual scan */
/* We say normal here. In future we should have a preview flag to set preview mode */
if (InitScan (SCAN_TYPE_NORMAL, &s->ScanParams, &s->HWParams) != 0)
{
HP5400_DBG (DBG_MSG, "Invalid scan parameters (InitScan)\n");
return SANE_STATUS_INVAL;
}
/* for the moment no lines has been read */
s->ScanParams.iLinesRead = 0;
s->fScanning = TRUE;
return SANE_STATUS_GOOD;
}
void DebugInit( void )
{
NestedCallLevel = 0;
UpdateFlags = 0;
_SwitchOn( SW_ERROR_STARTUP );
_SwitchOn( SW_CHECK_SOURCE_EXISTS );
SET_NIL_ADDR( NilAddr );
TxtBuff = &DbgBuffers[0];
*TxtBuff = '\0';
NameBuff = &DbgBuffers[TXT_LEN+1];
*NameBuff = '\0';
CurrRadix = DefRadix = 10;
DbgLevel = MIX;
ActiveWindowLevel = MIX;
_SwitchOn( SW_BELL );
_SwitchOn( SW_FLIP );
_SwitchOn( SW_RECURSE_CHECK );
_SwitchOff( SW_ADDING_SYMFILE );
_SwitchOff( SW_TASK_RUNNING );
RecordInit();
LogInit();
InitMADInfo();
InitMachState();
PathInit();
InitDbgInfo();
InitTrap( TrapParms );
if( !LangSetInit() ) {
FiniTrap();
StartupErr( LIT_ENG( STARTUP_Loading_PRS ) );
}
if( !InitCmd() ) {
FiniTrap();
StartupErr( LIT_ENG( ERR_NO_MEMORY ) );
}
InitScan();
InitLook();
InitBPs();
InitSource();
InitDLLList();
DUIInit();
InitHook();
VarDisplayInit();
}
