X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b88bf073950835eef9a603126d32a64d93dc1990..326b62161d387b4181b797a76652796f730172fb:/include/wx/prntbase.h?ds=sidebyside

diff --git a/include/wx/prntbase.h b/include/wx/prntbase.h
index 011edd1f23..81e32415b5 100644
--- a/include/wx/prntbase.h
+++ b/include/wx/prntbase.h
@@ -561,11 +561,20 @@ public:
     // the currently selected printer.
     virtual void DetermineScaling() = 0;
 
+protected:
+    // helpers for RenderPage():
+    virtual bool RenderPageIntoDC(wxDC& dc, int pageNum);
+    // renders preview into m_previewBitmap
+    virtual bool RenderPageIntoBitmap(wxBitmap& bmp, int pageNum);
+
+    void InvalidatePreviewBitmap();
+
 protected:
     wxPrintDialogData m_printDialogData;
     wxPreviewCanvas*  m_previewCanvas;
     wxFrame*          m_previewFrame;
     wxBitmap*         m_previewBitmap;
+    bool              m_previewFailed;
     wxPrintout*       m_previewPrintout;
     wxPrintout*       m_printPrintout;
     int               m_currentPage;