void GetPageSizeMM(int *w, int *h) const { *w = m_pageWidthMM; *h = m_pageHeightMM; }
void SetPPIScreen(int x, int y) { m_PPIScreenX = x; m_PPIScreenY = y; }
+ void SetPPIScreen(const wxSize& ppi) { SetPPIScreen(ppi.x, ppi.y); }
void GetPPIScreen(int *x, int *y) const { *x = m_PPIScreenX; *y = m_PPIScreenY; }
void SetPPIPrinter(int x, int y) { m_PPIPrinterX = x; m_PPIPrinterY = y; }
+ void SetPPIPrinter(const wxSize& ppi) { SetPPIPrinter(ppi.x, ppi.y); }
void GetPPIPrinter(int *x, int *y) const { *x = m_PPIPrinterX; *y = m_PPIPrinterY; }
void SetPaperRectPixels(const wxRect& paperRectPixels) { m_paperRectPixels = paperRectPixels; }
// 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;