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