X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b88bf073950835eef9a603126d32a64d93dc1990..62c9b3d73fdf9a892a311241f1effc12dde0282a:/include/wx/prntbase.h

diff --git a/include/wx/prntbase.h b/include/wx/prntbase.h
index 011edd1f23..031f638afa 100644
--- a/include/wx/prntbase.h
+++ b/include/wx/prntbase.h
@@ -169,7 +169,7 @@ private:
 class WXDLLIMPEXP_CORE wxPrinterBase: public wxObject
 {
 public:
-    wxPrinterBase(wxPrintDialogData *data = (wxPrintDialogData *) NULL);
+    wxPrinterBase(wxPrintDialogData *data = NULL);
     virtual ~wxPrinterBase();
 
     virtual wxWindow *CreateAbortWindow(wxWindow *parent, wxPrintout *printout);
@@ -209,7 +209,7 @@ private:
 class WXDLLIMPEXP_CORE wxPrinter: public wxPrinterBase
 {
 public:
-    wxPrinter(wxPrintDialogData *data = (wxPrintDialogData *) NULL);
+    wxPrinter(wxPrintDialogData *data = NULL);
     virtual ~wxPrinter();
 
     virtual wxWindow *CreateAbortWindow(wxWindow *parent, wxPrintout *printout);
@@ -284,8 +284,10 @@ public:
     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; }
@@ -374,8 +376,8 @@ public:
                    const wxString& title = wxT("Print Preview"),
                    const wxPoint& pos = wxDefaultPosition,
                    const wxSize& size = wxDefaultSize,
-                   long style = wxDEFAULT_FRAME_STYLE,
-                   const wxString& name = wxT("frame"));
+                   long style = wxDEFAULT_FRAME_STYLE | wxFRAME_FLOAT_ON_PARENT,
+                   const wxString& name = wxFrameNameStr);
     virtual ~wxPreviewFrame();
 
     void OnCloseWindow(wxCloseEvent& event);
@@ -495,8 +497,8 @@ class WXDLLIMPEXP_CORE wxPrintPreviewBase: public wxObject
 {
 public:
     wxPrintPreviewBase(wxPrintout *printout,
-                       wxPrintout *printoutForPrinting = (wxPrintout *) NULL,
-                       wxPrintDialogData *data = (wxPrintDialogData *) NULL);
+                       wxPrintout *printoutForPrinting = NULL,
+                       wxPrintDialogData *data = NULL);
     wxPrintPreviewBase(wxPrintout *printout,
                        wxPrintout *printoutForPrinting,
                        wxPrintData *data);
@@ -561,11 +563,20 @@ 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;
@@ -597,8 +608,8 @@ class WXDLLIMPEXP_CORE wxPrintPreview: public wxPrintPreviewBase
 {
 public:
     wxPrintPreview(wxPrintout *printout,
-                   wxPrintout *printoutForPrinting = (wxPrintout *) NULL,
-                   wxPrintDialogData *data = (wxPrintDialogData *) NULL);
+                   wxPrintout *printoutForPrinting = NULL,
+                   wxPrintDialogData *data = NULL);
     wxPrintPreview(wxPrintout *printout,
                    wxPrintout *printoutForPrinting,
                    wxPrintData *data);