wxDC *wxGenericPrintDialog::GetPrintDC()
{
return new wxPostScriptDC(GetPrintDialogData().GetPrintData());
}
bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt)
{
sm_abortIt = false;
sm_abortWindow = NULL;
if (!printout)
{
sm_lastError = wxPRINTER_ERROR;
return false;
}
if (m_printDialogData.GetMinPage() < 1)
m_printDialogData.SetMinPage(1);
if (m_printDialogData.GetMaxPage() < 1)
m_printDialogData.SetMaxPage(9999);
// Create a suitable device context
wxDC *dc;
if (prompt)
{
dc = PrintDialog(parent);
if (!dc)
return false;
}
else
{
dc = new wxPostScriptDC(GetPrintDialogData().GetPrintData());
}
// May have pressed cancel.
if (!dc || !dc->IsOk())
{
if (dc) delete dc;
sm_lastError = wxPRINTER_ERROR;
return false;
}
wxSize ScreenPixels = wxGetDisplaySize();
wxSize ScreenMM = wxGetDisplaySizeMM();
printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
(int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
printout->SetPPIPrinter( dc->GetResolution(),
dc->GetResolution() );
// Set printout parameters
printout->SetDC(dc);
int w, h;
dc->GetSize(&w, &h);
printout->SetPageSizePixels((int)w, (int)h);
printout->SetPaperRectPixels(wxRect(0, 0, w, h));
int mw, mh;
dc->GetSizeMM(&mw, &mh);
printout->SetPageSizeMM((int)mw, (int)mh);
// Create an abort window
wxBeginBusyCursor();
printout->OnPreparePrinting();
// Get some parameters from the printout, if defined
int fromPage, toPage;
int minPage, maxPage;
printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
if (maxPage == 0)
{
sm_lastError = wxPRINTER_ERROR;
wxEndBusyCursor();
return false;
}
// Only set min and max, because from and to have been
// set by the user
m_printDialogData.SetMinPage(minPage);
m_printDialogData.SetMaxPage(maxPage);
if (m_printDialogData.GetFromPage() < minPage)
m_printDialogData.SetFromPage( minPage );
if (m_printDialogData.GetToPage() > maxPage)
m_printDialogData.SetToPage( maxPage );
int
pagesPerCopy = m_printDialogData.GetToPage()-m_printDialogData.GetFromPage()+1,
totalPages = pagesPerCopy * m_printDialogData.GetNoCopies(),
printedPages = 0;
// Open the progress bar dialog
wxProgressDialog *progressDialog = new wxProgressDialog (
printout->GetTitle(),
_("Printing..."),
totalPages,
parent,
wxPD_CAN_ABORT|wxPD_AUTO_HIDE|wxPD_APP_MODAL);
printout->OnBeginPrinting();
sm_lastError = wxPRINTER_NO_ERROR;
bool keepGoing = true;
int copyCount;
for (copyCount = 1; copyCount <= m_printDialogData.GetNoCopies(); copyCount ++)
{
if (!printout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
{
wxEndBusyCursor();
wxLogError(_("Could not start printing."));
sm_lastError = wxPRINTER_ERROR;
break;
}
if (sm_abortIt)
{
sm_lastError = wxPRINTER_CANCELLED;
break;
}
int pn;
for (pn = m_printDialogData.GetFromPage(); keepGoing && (pn <= m_printDialogData.GetToPage()) && printout->HasPage(pn);
pn++)
{
if (sm_abortIt)
{
keepGoing = false;
sm_lastError = wxPRINTER_CANCELLED;
break;
}
else
{
wxString msg;
msg.Printf(_("Printing page %d..."), printedPages+1);
if(progressDialog->Update(printedPages++, msg))
{
dc->StartPage();
printout->OnPrintPage(pn);
dc->EndPage();
}
else
{
sm_abortIt = true;
sm_lastError = wxPRINTER_CANCELLED;
keepGoing = false;
}
}
wxYield();
}
printout->OnEndDocument();
}
printout->OnEndPrinting();
delete progressDialog;
wxEndBusyCursor();
delete dc;
return (sm_lastError == wxPRINTER_NO_ERROR);
}
