void ColourPlate::InitObject(ColourPlateType NewType)
{
Disabled = FALSE;
Type = NewType;
Overprint = FALSE;
Monochrome = TRUE;
Negate = FALSE;
ActiveScreens = FALSE;
ScreenFunction = SCRTYPE_NONE; // represents no setscreen command output
// And set up a suitable default for screen angle/frequency
// Use the selected document's printer resolution and LPI defaults
INT32 DPI = 1200; // Defaults in case of catastrophy
INT32 LPI = 60;
#if !defined(EXCLUDE_FROM_RALPH) && !defined(EXCLUDE_FROM_XARALX)
TypesetInfo *TPInfo = TypesetInfo::FindTypesetInfoForDoc();
if (TPInfo != NULL)
{
DPI = TPInfo->GetPrintResolution();
LPI = (INT32) floor(TPInfo->GetDefaultScreenFrequency());
}
#endif
ResetScreenToDefaults(DPI, LPI);
}
BOOL PrintComponent::ExportImagesetting(BaseCamelotFilter *pFilter)
{
BOOL ok = TRUE;
#if !defined(EXCLUDE_FROM_RALPH)
TypesetInfo *TInfo = GetPrintControl()->GetTypesetInfo();
if (TInfo == NULL)
return(TRUE); // If we can't find imagesetting info, don't sweat it
CXaraFileRecord Rec(TAG_IMAGESETTING, TAG_IMAGESETTING_SIZE);
if (ok) ok = Rec.Init();
if (ok) ok = Rec.WriteINT32(TInfo->GetPrintResolution());
if (ok) ok = Rec.WriteDOUBLE(TInfo->GetDefaultScreenFrequency());
if (ok)
{
UINT16 Func = 0;
switch(TInfo->GetScreenFunction())
{
case SCRTYPE_SPOT1: Func = 1; break;
case SCRTYPE_SPOT2: Func = 2; break;
case SCRTYPE_TRIPLESPOT1: Func = 3; break;
case SCRTYPE_TRIPLESPOT2: Func = 4; break;
case SCRTYPE_ELLIPTICAL: Func = 5; break;
case SCRTYPE_LINE: Func = 6; break;
case SCRTYPE_CROSSHATCH: Func = 7; break;
case SCRTYPE_MEZZOTINT: Func = 8; break;
case SCRTYPE_SQUARE: Func = 9; break;
case SCRTYPE_DITHER: Func = 10; break;
default:
break;
}
ok = Rec.WriteUINT16(Func);
}
if (ok)
{
BYTE Flags = 0x00;
if (TInfo->AreSeparating()) Flags |= 0x01;
if (TInfo->AreScreening()) Flags |= 0x02;
if (TInfo->PrintEmulsionDown()) Flags |= 0x04;
if (TInfo->PrintPhotoNegative()) Flags |= 0x08;
if (TInfo->AlwaysOverprintBlack()) Flags |= 0x10;
ok = Rec.WriteBYTE(Flags);
}
if (ok)
pFilter->Write(&Rec);
#endif // EXCLUDE_FROM_RALPH
return(ok);
}
BOOL PrintPSRenderRegion::WritePlateScreen(KernelDC *pDC)
{
PrintControl *pPrintCtl=NULL;
View *pView = GetRenderView();
if (pView) pPrintCtl = pView->GetPrintControl();
if (!pPrintCtl)
return TRUE;
// Get a pointer to the typeset info structure
TypesetInfo *pInfo = pPrintCtl->GetTypesetInfo();
double ang,freq;
String_256 ScreenName;
ScreenType scrtype;
// If separating then interogate the current plate
if (pInfo->AreSeparating())
{
ColourPlate* pSeparation;
GetOutputColourPlate(COLOURMODEL_CMYK, NULL, &pSeparation);
// do nothing if we are not separating
if (pSeparation==NULL)
return TRUE;
// Make sure screening is on in this plate
if (!pSeparation->ActiveScreening())
return TRUE;
// Get the screen type if enabled.
scrtype = pSeparation->GetScreenFunction();
if (scrtype==SCRTYPE_NONE)
return TRUE;
// ok we can get the angle and frequency
ang = pSeparation->GetScreenAngle();
freq = pSeparation->GetScreenFrequency();
}
else
{
// Is screening off?
if (!pInfo->AreScreening())
return TRUE;
scrtype = pInfo->GetScreenFunction();
if (scrtype==SCRTYPE_NONE)
return TRUE;
ang = 45.0;
freq = pInfo->GetDefaultScreenFrequency();
}
// read the name of this screen
pInfo->GetScreenName(scrtype, &ScreenName);
String_256 fred;
fred += String_8(_T("{"));
fred += ScreenName;
fred += String_8(_T("}"));
// ok output 'freq ang screenfunc setscreen'
BOOL ok = pDC->OutputFloat(freq, 4);
ok = ok && pDC->OutputFloat(ang, 4);
ok = ok && pDC->OutputToken(fred);
ok = ok && pDC->OutputToken(_T("setscreen"));
ok = ok && pDC->OutputNewLine();
return ok;
}