bool QMacPrintEnginePrivate::newPage_helper()
{
Q_Q(QMacPrintEngine);
Q_ASSERT(state == QPrinter::Active);
if (PMSessionError(session) != noErr) {
q->abort();
return false;
}
OSStatus status = shouldSuppressStatus() ? PMSessionBeginPageNoDialog(session, format, 0)
: PMSessionBeginPage(session, format, 0);
if(status != noErr) {
state = QPrinter::Error;
return false;
}
QRect page = q->property(QPrintEngine::PPK_PageRect).toRect();
QRect paper = q->property(QPrintEngine::PPK_PaperRect).toRect();
CGContextRef cgContext;
OSStatus err = noErr;
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
err = PMSessionGetCGGraphicsContext(session, &cgContext);
} else
#endif
{
#ifndef Q_OS_MAC64
err = PMSessionGetGraphicsContext(session, kPMGraphicsContextCoreGraphics,
reinterpret_cast<void **>(&cgContext));
#endif
}
if(err != noErr) {
qWarning("QMacPrintEngine::newPage: Cannot retrieve CoreGraphics context: %ld", long(err));
state = QPrinter::Error;
return false;
}
QCoreGraphicsPaintEngine *cgEngine = static_cast<QCoreGraphicsPaintEngine*>(paintEngine);
cgEngine->d_func()->hd = cgContext;
// Set the resolution as a scaling ration of 72 (the default).
CGContextScaleCTM(cgContext, 72 / resolution.hRes, 72 / resolution.vRes);
CGContextScaleCTM(cgContext, 1, -1);
CGContextTranslateCTM(cgContext, 0, -paper.height());
if (!fullPage)
CGContextTranslateCTM(cgContext, page.x() - paper.x(), page.y() - paper.y());
cgEngine->d_func()->orig_xform = CGContextGetCTM(cgContext);
cgEngine->d_func()->setClip(0);
cgEngine->state->dirtyFlags = QPaintEngine::AllDirty;
cgEngine->syncState();
return true;
}
void wxMacCarbonPrinterDC::StartPage( wxPrinterDC* dc )
{
if ( m_err )
return ;
wxPrinterDCImpl *impl = (wxPrinterDCImpl*) dc->GetImpl();
wxOSXPrintData *native = (wxOSXPrintData*) impl->GetPrintData().GetNativeData() ;
m_err = PMSessionBeginPageNoDialog(native->GetPrintSession(),
native->GetPageFormat(),
NULL);
CGContextRef pageContext;
if ( m_err == noErr )
{
m_err = PMSessionGetCGGraphicsContext(native->GetPrintSession(),
&pageContext );
}
if ( m_err != noErr )
{
PMSessionEndPageNoDialog(native->GetPrintSession());
PMSessionEndDocumentNoDialog(native->GetPrintSession());
}
else
{
PMRect paperRect ;
m_err = PMGetAdjustedPaperRect( native->GetPageFormat() , &paperRect ) ;
// make sure (0,0) is at the upper left of the printable area (wx conventions)
// Core Graphics initially has the lower left of the paper as 0,0
if ( !m_err )
CGContextTranslateCTM( pageContext , (CGFloat) -paperRect.left , (CGFloat) paperRect.bottom ) ;
// since this is a non-critical error, we set the flag back
m_err = noErr ;
// Leopard deprecated PMSetResolution() which will not be available in 64 bit mode, so we avoid using it.
// To set the proper drawing resolution, the docs suggest the use of CGContextScaleCTM(), so here we go; as a
// consequence though, PMGetAdjustedPaperRect() and PMGetAdjustedPageRect() return unscaled rects, so we
// have to manually scale them later.
CGContextScaleCTM( pageContext, 72.0 / (double)m_ppi.x, -72.0 / (double)m_ppi.y);
impl->SetGraphicsContext( wxGraphicsContext::CreateFromNative( pageContext ) );
}
}
