bool wxMacCarbonPrinterDC::StartDoc( wxPrinterDC* dc , const wxString& message )
{
if ( m_err )
return false ;
wxPrinterDCImpl *impl = (wxPrinterDCImpl*) dc->GetImpl();
wxOSXPrintData *native = (wxOSXPrintData*) impl->GetPrintData().GetNativeData() ;
PMPrintSettingsSetJobName(native->GetPrintSettings(), wxCFStringRef(message));
m_err = PMSessionBeginCGDocumentNoDialog(native->GetPrintSession(),
native->GetPrintSettings(),
native->GetPageFormat());
if ( m_err != noErr )
return false;
PMRect rPage;
m_err = PMGetAdjustedPageRect(native->GetPageFormat(), &rPage);
if ( m_err != noErr )
return false ;
m_maxX = wxCoord(rPage.right - rPage.left) ;
m_maxY = wxCoord(rPage.bottom - rPage.top);
PMResolution res;
PMPrinter printer;
m_err = PMSessionGetCurrentPrinter(native->GetPrintSession(), &printer);
if (m_err == noErr)
{
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
if ( PMPrinterGetOutputResolution != NULL )
{
m_err = PMPrinterGetOutputResolution( printer, native->GetPrintSettings(), &res) ;
if ( m_err == -9589 /* kPMKeyNotFound */ )
{
m_err = noErr ;
res.hRes = res.vRes = 300;
}
}
else
#endif
{
#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
if ( PMPrinterGetPrinterResolution(printer, kPMCurrentValue, &res) != noErr )
{
res.hRes = res.vRes = 300;
}
#endif
}
}
m_maxX = wxCoord((double)m_maxX * res.hRes / 72.0);
m_maxY = wxCoord((double)m_maxY * res.vRes / 72.0);
m_ppi = wxSize(int(res.hRes), int(res.vRes));
return true ;
}
//-----------------------------------------------------------------------------------------------------------------------
static OSStatus DoPrintLoop(DocStoragePtr docStP, PMPrintSession printSession, PMPageFormat pageFormat, PMPrintSettings printSettings)
{
OSStatus status = noErr, tempErr;
CGContextRef printingCtx;
UInt32 realNumberOfPagesinDoc,
pageNumber,
firstPage,
lastPage;
CFStringRef jobName; // use window title
status = CopyWindowTitleAsCFString(docStP->ownerWindow, &jobName);
status = PMPrintSettingsSetJobName(printSettings, jobName);
CFRelease (jobName);
// Get the user's Print dialog selection for first and last pages to print.
if (status == noErr)
{
status = PMGetFirstPage(printSettings, &firstPage);
if (status == noErr)
status = PMGetLastPage(printSettings, &lastPage);
}
// Check that the selected page range does not exceed the actual number of pages in the document.
if (status == noErr)
{
status = DetermineNumberOfPagesInDoc(pageFormat, &realNumberOfPagesinDoc);
if (realNumberOfPagesinDoc < lastPage)
lastPage = realNumberOfPagesinDoc;
}
// Before executing the print loop, tell the Carbon Printing Manager which pages
// will be spooled so that the progress dialog can reflect an accurate page count.
if (status == noErr)
status = PMSetFirstPage(printSettings, firstPage, false);
if (status == noErr)
status = PMSetLastPage(printSettings, lastPage, false);
// Note, we don't have to worry about the number of copies. The printing
// manager handles this. So we just iterate through the document from the
// first page to be printed, to the last.
if (status == noErr)
{
// Now, tell the printing system that we promise never to use any Quickdraw calls:
status = PMSessionBeginCGDocument(printSession, printSettings, pageFormat);
check(status == noErr);
if (status == noErr)
{
pageNumber = firstPage;
// Note that we check PMSessionError immediately before beginning a new page.
// This handles user cancelling appropriately. Also, if we got an error on
// any previous iteration of the print loop, we break out of the loop.
while ( (pageNumber <= lastPage) && (status == noErr) && (PMSessionError(printSession) == noErr) )
{
status = PMSessionBeginPage(printSession, pageFormat, NULL);
check(status == noErr);
if (status == noErr)
{
status = PMSessionGetCGGraphicsContext(printSession, &printingCtx);
check(status == noErr);
if (status == noErr)
{
DrawThePage(printingCtx, docStP);
}
tempErr = PMSessionEndPage(printSession);
if(status == noErr)
status = tempErr;
}
pageNumber++;
} // end while loop
// Close the print job. This dismisses the progress dialog on Mac OS X.
tempErr = PMSessionEndDocument(printSession);
if (status == noErr)
status = tempErr;
}
}
// Only report a printing error once we have completed the print loop. This ensures
// that every PMBeginXXX call that returns no error is followed by a matching PMEndXXX
// call, so the Printing Manager can release all temporary memory and close properly.
tempErr = PMSessionError(printSession);
if(status == noErr)
status = tempErr;
/*
if ((status != noErr) && (status != kPMCancel))
PostPrintingErrors(status);
*/
return status;
} // DoPrintLoop
