void wxMacCarbonPrinterDC::EndPage( wxPrinterDC* dc )
{
if ( m_err )
return ;
wxPrinterDCImpl *impl = (wxPrinterDCImpl*) dc->GetImpl();
wxOSXPrintData *native = (wxOSXPrintData*) impl->GetPrintData().GetNativeData() ;
m_err = PMSessionEndPageNoDialog(native->GetPrintSession());
if ( m_err != noErr )
{
PMSessionEndDocumentNoDialog(native->GetPrintSession());
}
// the cg context we got when starting the page isn't valid anymore, so replace it
impl->SetGraphicsContext( wxGraphicsContext::Create() );
}
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 ) );
}
}
bool QMacPrintEngine::newPage()
{
Q_D(QMacPrintEngine);
Q_ASSERT(d->state == QPrinter::Active);
OSStatus err = d->shouldSuppressStatus() ? PMSessionEndPageNoDialog(d->session)
: PMSessionEndPage(d->session);
if (err != noErr) {
if (err == kPMCancel) {
// User canceled, we need to abort!
abort();
} else {
// Not sure what the problem is...
qWarning("QMacPrintEngine::newPage: Cannot end current page. %ld", long(err));
d->state = QPrinter::Error;
}
return false;
}
return d->newPage_helper();
}
bool QMacPrintEngine::end()
{
Q_D(QMacPrintEngine);
if (d->state == QPrinter::Aborted)
return true; // I was just here a function call ago :)
if(d->paintEngine->type() == QPaintEngine::CoreGraphics)
static_cast<QCoreGraphicsPaintEngine*>(d->paintEngine)->d_func()->hd = 0;
d->paintEngine->end();
if (d->state != QPrinter::Idle) {
if (d->shouldSuppressStatus()) {
PMSessionEndPageNoDialog(d->session);
PMSessionEndDocumentNoDialog(d->session);
} else {
PMSessionEndPage(d->session);
PMSessionEndDocument(d->session);
}
PMRelease(d->session);
d->session = 0;
}
d->state = QPrinter::Idle;
return true;
}