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implemented wxDisplaySizeMM for gtk, msw & motif.

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used wxDisplaySize and wxDisplaySizeMM to calculate real screen PPI in
wxPostScriptPrinter.
documented wxDisplaySize and wxDisplaySizeMM.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8414 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Ron Lee
2000-09-25 08:51:35 +00:00
parent 11207aa4c2
commit 904a68b6f6
8 changed files with 68 additions and 21 deletions
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31
src/generic/printps.cpp
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@@ -148,25 +148,13 @@ bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool pro
return FALSE;
}
int logPPIScreenX = 0;
int logPPIScreenY = 0;
int logPPIPrinterX = 0;
int logPPIPrinterY = 0;
wxSize ScreenPixels = wxGetDisplaySize();
wxSize ScreenMM = wxGetDisplaySizeMM();
logPPIScreenX = 100;
logPPIScreenY = 100;
/*
// Correct values for X/PostScript?
logPPIPrinterX = 100;
logPPIPrinterY = 100;
*/
logPPIPrinterX = wxPostScriptDC::GetResolution();
logPPIPrinterY = wxPostScriptDC::GetResolution();
printout->SetPPIScreen(logPPIScreenX, logPPIScreenY);
printout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY);
printout->SetPPIScreen( (ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth(),
(ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight() );
printout->SetPPIPrinter( wxPostScriptDC::GetResolution(),
wxPostScriptDC::GetResolution() );
// Set printout parameters
printout->SetDC(dc);
@@ -348,8 +336,11 @@ void wxPostScriptPrintPreview::DetermineScaling()
if (paper)
{
m_previewPrintout->SetPPIScreen(100, 100);
// m_previewPrintout->SetPPIPrinter(100, 100);
wxSize ScreenPixels = wxGetDisplaySize();
wxSize ScreenMM = wxGetDisplaySizeMM();
m_previewPrintout->SetPPIScreen( (ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth(),
(ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight() );
m_previewPrintout->SetPPIPrinter(wxPostScriptDC::GetResolution(), wxPostScriptDC::GetResolution());
wxSize sizeDevUnits(paper->GetSizeDeviceUnits());