new file added

[wxWidgets.git] / src / gtk / gnome / gprint.cpp

diff --git a/src/gtk/gnome/gprint.cpp b/src/gtk/gnome/gprint.cpp
index aa93c96e64d29bd6b82c55f36172f40d1213da6a..b3800c1dd5b645826c17d6b876474c35db04be8d 100644 (file)
--- a/src/gtk/gnome/gprint.cpp
+++ b/src/gtk/gnome/gprint.cpp
@@ -184,7 +184,7 @@ public:
     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_job_preview_new,
         (GnomePrintJob *gpm, const guchar *title), (gpm, title), NULL )
 
     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_job_preview_new,
         (GnomePrintJob *gpm, const guchar *title), (gpm, title), NULL )
 

-    DECLARE_NO_COPY_CLASS(wxGnomePrintLibrary)
+    wxDECLARE_NO_COPY_CLASS(wxGnomePrintLibrary);

 };
 
 wxGnomePrintLibrary::wxGnomePrintLibrary()
 };
 
 wxGnomePrintLibrary::wxGnomePrintLibrary()


@@ -609,7 +609,9 @@ int wxGnomePrintDialog::ShowModal()
     m_printDialogData.SetNoCopies( copies );
     m_printDialogData.SetCollate( collate );
 
     m_printDialogData.SetNoCopies( copies );
     m_printDialogData.SetCollate( collate );
 

-    switch (gs_libGnomePrint->gnome_print_dialog_get_range( (GnomePrintDialog*) m_widget ))
+    // Cast needed to avoid warnings because the gnome_print_dialog_get_range()
+    // is declared as returning a wrong enum type.
+    switch ( static_cast<int>( gs_libGnomePrint->gnome_print_dialog_get_range( (GnomePrintDialog*) m_widget )))

     {
         case GNOME_PRINT_RANGE_SELECTION:
             m_printDialogData.SetSelection( true );
     {
         case GNOME_PRINT_RANGE_SELECTION:
             m_printDialogData.SetSelection( true );


@@ -843,8 +845,6 @@ bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
     native->SetPrintJob( job );
 
 
     native->SetPrintJob( job );
 
 

-    printout->SetIsPreview(false);
-

     if (m_printDialogData.GetMinPage() < 1)
         m_printDialogData.SetMinPage(1);
     if (m_printDialogData.GetMaxPage() < 1)
     if (m_printDialogData.GetMinPage() < 1)
         m_printDialogData.SetMinPage(1);
     if (m_printDialogData.GetMaxPage() < 1)


@@ -860,9 +860,6 @@ bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
         dc = new wxGnomePrinterDC( printdata );  // TODO: check that this works
 #endif
 
         dc = new wxGnomePrinterDC( printdata );  // TODO: check that this works
 #endif
 

-    if (m_native_preview)
-        printout->SetIsPreview(true);
-

     if (!dc)
     {
         gs_libGnomePrint->gnome_print_job_close( job );
     if (!dc)
     {
         gs_libGnomePrint->gnome_print_job_close( job );


@@ -872,11 +869,7 @@ bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
         return false;
     }
 
         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->SetPPIScreen(wxGetDisplayPPI());

     printout->SetPPIPrinter( dc->GetResolution(),
                              dc->GetResolution() );
 
     printout->SetPPIPrinter( dc->GetResolution(),
                              dc->GetResolution() );
 


@@ -1054,7 +1047,7 @@ bool
 wxGnomePrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1),
                             wxCoord WXUNUSED(y1),
                             const wxColour& WXUNUSED(col),
 wxGnomePrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1),
                             wxCoord WXUNUSED(y1),
                             const wxColour& WXUNUSED(col),

-                            int WXUNUSED(style))
+                            wxFloodFillStyle WXUNUSED(style))

 {
     return false;
 }
 {
     return false;
 }


@@ -1069,7 +1062,8 @@ wxGnomePrinterDCImpl::DoGetPixel(wxCoord WXUNUSED(x1),
 
 void wxGnomePrinterDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
 {
 
 void wxGnomePrinterDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
 {

-    if  (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT) return;
+    if ( m_pen.IsTransparent() )
+        return;

 
     SetPen( m_pen );
 
 
     SetPen( m_pen );
 


@@ -1116,7 +1110,7 @@ void wxGnomePrinterDCImpl::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2
         while (alpha2 > 360)  alpha2 -= 360;
     }
 
         while (alpha2 > 360)  alpha2 -= 360;
     }
 

-    if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT)
+    if ( m_brush.IsNonTransparent() )

     {
         SetBrush( m_brush );
         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
     {
         SetBrush( m_brush );
         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );


@@ -1125,7 +1119,7 @@ void wxGnomePrinterDCImpl::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2
         gs_libGnomePrint->gnome_print_fill( m_gpc );
     }
 
         gs_libGnomePrint->gnome_print_fill( m_gpc );
     }
 

-    if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
+    if ( m_pen.IsNonTransparent() )

     {
         SetPen (m_pen);
         gs_libGnomePrint->gnome_print_newpath( m_gpc );
     {
         SetPen (m_pen);
         gs_libGnomePrint->gnome_print_newpath( m_gpc );


@@ -1158,7 +1152,7 @@ void wxGnomePrinterDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoo
     xx = 0.0;
     yy = 0.0;
 
     xx = 0.0;
     yy = 0.0;
 

-    if (m_brush.GetStyle () != wxBRUSHSTYLE_TRANSPARENT)
+    if ( m_brush.IsNonTransparent() )

     {
         SetBrush( m_brush );
 
     {
         SetBrush( m_brush );
 


@@ -1170,7 +1164,7 @@ void wxGnomePrinterDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoo
         gs_libGnomePrint->gnome_print_fill( m_gpc );
     }
 
         gs_libGnomePrint->gnome_print_fill( m_gpc );
     }
 

-    if (m_pen.GetStyle () != wxPENSTYLE_TRANSPARENT)
+    if ( m_pen.IsNonTransparent() )

     {
         SetPen (m_pen);
 
     {
         SetPen (m_pen);
 


@@ -1192,10 +1186,11 @@ void wxGnomePrinterDCImpl::DoDrawPoint(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
 
 void wxGnomePrinterDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
 {
 
 void wxGnomePrinterDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
 {

-    if (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT) return;
-

     if (n <= 0) return;
 
     if (n <= 0) return;
 

+    if ( m_pen.IsTransparent() )
+        return;
+

     SetPen (m_pen);
 
     int i;
     SetPen (m_pen);
 
     int i;


@@ -1212,11 +1207,11 @@ void wxGnomePrinterDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset,
 
 void wxGnomePrinterDCImpl::DoDrawPolygon(int n, wxPoint points[],
                                    wxCoord xoffset, wxCoord yoffset,
 
 void wxGnomePrinterDCImpl::DoDrawPolygon(int n, wxPoint points[],
                                    wxCoord xoffset, wxCoord yoffset,

-                                   int WXUNUSED(fillStyle))
+                                   wxPolygonFillMode WXUNUSED(fillStyle))

 {
     if (n==0) return;
 
 {
     if (n==0) return;
 

-    if (m_brush.GetStyle () != wxBRUSHSTYLE_TRANSPARENT)
+    if ( m_brush.IsNonTransparent() )

     {
         SetBrush( m_brush );
 
     {
         SetBrush( m_brush );
 


@@ -1237,7 +1232,7 @@ void wxGnomePrinterDCImpl::DoDrawPolygon(int n, wxPoint points[],
         gs_libGnomePrint->gnome_print_fill( m_gpc );
     }
 
         gs_libGnomePrint->gnome_print_fill( m_gpc );
     }
 

-    if (m_pen.GetStyle () != wxPENSTYLE_TRANSPARENT)
+    if ( m_pen.IsNonTransparent() )

     {
         SetPen (m_pen);
 
     {
         SetPen (m_pen);
 


@@ -1258,7 +1253,7 @@ void wxGnomePrinterDCImpl::DoDrawPolygon(int n, wxPoint points[],
     }
 }
 
     }
 }
 

-void wxGnomePrinterDCImpl::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
+void wxGnomePrinterDCImpl::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, wxPolygonFillMode fillStyle)

 {
 #if wxUSE_NEW_DC
     wxDCImpl::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
 {
 #if wxUSE_NEW_DC
     wxDCImpl::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );


@@ -1272,7 +1267,7 @@ void wxGnomePrinterDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width,
     width--;
     height--;
 
     width--;
     height--;
 

-    if (m_brush.GetStyle () != wxBRUSHSTYLE_TRANSPARENT)
+    if ( m_brush.IsNonTransparent() )

     {
         SetBrush( m_brush );
 
     {
         SetBrush( m_brush );
 


@@ -1288,7 +1283,7 @@ void wxGnomePrinterDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width,
         CalcBoundingBox( x + width, y + height );
     }
 
         CalcBoundingBox( x + width, y + height );
     }
 

-    if (m_pen.GetStyle () != wxPENSTYLE_TRANSPARENT)
+    if ( m_pen.IsNonTransparent() )

     {
         SetPen (m_pen);
 
     {
         SetPen (m_pen);
 


@@ -1312,7 +1307,7 @@ void wxGnomePrinterDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord
 
     wxCoord rad = wxRound( radius );
 
 
     wxCoord rad = wxRound( radius );
 

-    if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT)
+    if ( m_brush.IsNonTransparent() )

     {
         SetBrush(m_brush);
         gs_libGnomePrint->gnome_print_newpath(m_gpc);
     {
         SetBrush(m_brush);
         gs_libGnomePrint->gnome_print_newpath(m_gpc);


@@ -1344,7 +1339,7 @@ void wxGnomePrinterDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord
         CalcBoundingBox(x+width,y+height);
     }
 
         CalcBoundingBox(x+width,y+height);
     }
 

-    if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
+    if ( m_pen.IsNonTransparent() )

     {
         SetPen(m_pen);
         gs_libGnomePrint->gnome_print_newpath(m_gpc);
     {
         SetPen(m_pen);
         gs_libGnomePrint->gnome_print_newpath(m_gpc);


@@ -1428,7 +1423,7 @@ void wxGnomePrinterDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wx
     width--;
     height--;
 
     width--;
     height--;
 

-    if (m_brush.GetStyle () != wxBRUSHSTYLE_TRANSPARENT)
+    if ( m_brush.IsNonTransparent() )

     {
         SetBrush( m_brush );
         makeEllipticalPath( x, y, width, height );
     {
         SetBrush( m_brush );
         makeEllipticalPath( x, y, width, height );


@@ -1437,7 +1432,7 @@ void wxGnomePrinterDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wx
         CalcBoundingBox( x + width, y + height );
     }
 
         CalcBoundingBox( x + width, y + height );
     }
 

-    if (m_pen.GetStyle () != wxPENSTYLE_TRANSPARENT)
+    if ( m_pen.IsNonTransparent() )

     {
         SetPen (m_pen);
         makeEllipticalPath( x, y, width, height );
     {
         SetPen (m_pen);
         makeEllipticalPath( x, y, width, height );


@@ -1512,7 +1507,7 @@ wxGnomePrinterDCImpl::DoBlit(wxCoord xdest, wxCoord ydest,
                       wxCoord width, wxCoord height,
                       wxDC *source,
                       wxCoord xsrc, wxCoord ysrc,
                       wxCoord width, wxCoord height,
                       wxDC *source,
                       wxCoord xsrc, wxCoord ysrc,

-                      int rop,
+                      wxRasterOperationMode rop,

                       bool WXUNUSED(useMask),
                       wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask))
 {
                       bool WXUNUSED(useMask),
                       wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask))
 {


@@ -1541,7 +1536,7 @@ wxGnomePrinterDCImpl::DoDrawBitmap(const wxBitmap& bitmap,
                              wxCoord x, wxCoord y,
                              bool WXUNUSED(useMask))
 {
                              wxCoord x, wxCoord y,
                              bool WXUNUSED(useMask))
 {

-    if (!bitmap.Ok()) return;
+    if (!bitmap.IsOk()) return;

 
     if (bitmap.HasPixbuf())
     {
 
     if (bitmap.HasPixbuf())
     {


@@ -1572,7 +1567,7 @@ wxGnomePrinterDCImpl::DoDrawBitmap(const wxBitmap& bitmap,
     {
         wxImage image = bitmap.ConvertToImage();
 
     {
         wxImage image = bitmap.ConvertToImage();
 

-        if (!image.Ok()) return;
+        if (!image.IsOk()) return;

 
         gs_libGnomePrint->gnome_print_gsave( m_gpc );
         double matrix[6];
 
         gs_libGnomePrint->gnome_print_gsave( m_gpc );
         double matrix[6];


@@ -1599,30 +1594,12 @@ void wxGnomePrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wx
     double xx = XLOG2DEV(x);
     double yy = YLOG2DEV(y);
 
     double xx = XLOG2DEV(x);
     double yy = YLOG2DEV(y);
 

-    bool underlined = m_font.Ok() && m_font.GetUnderlined();
+    const wxScopedCharBuffer data(text.utf8_str());

 
 

-    // FIXME-UTF8: wouldn't be needed if utf8_str() always returned a buffer
-#if wxUSE_UNICODE_UTF8
-    const char *data = text.utf8_str();
-#else
-    const wxCharBuffer data = text.utf8_str();
-#endif
-
-    size_t datalen = strlen(data);
-    pango_layout_set_text( m_layout, data, datalen);
-
-    if (underlined)
-    {
-        PangoAttrList *attrs = pango_attr_list_new();
-        PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
-        a->start_index = 0;
-        a->end_index = datalen;
-        pango_attr_list_insert(attrs, a);
-        pango_layout_set_attributes(m_layout, attrs);
-        pango_attr_list_unref(attrs);
-    }
+    pango_layout_set_text(m_layout, data, data.length());
+    const bool setAttrs = m_font.GTKSetPangoAttrs(m_layout);

 
 

-    if (m_textForegroundColour.Ok())
+    if (m_textForegroundColour.IsOk())

     {
         unsigned char red = m_textForegroundColour.Red();
         unsigned char blue = m_textForegroundColour.Blue();
     {
         unsigned char red = m_textForegroundColour.Red();
         unsigned char blue = m_textForegroundColour.Blue();


@@ -1642,8 +1619,6 @@ void wxGnomePrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wx
         }
     }
 
         }
     }
 

-    int w,h;
-    pango_layout_get_pixel_size( m_layout, &w, &h );

 #if 0
         if ( m_backgroundMode == wxSOLID )
         {
 #if 0
         if ( m_backgroundMode == wxSOLID )
         {


@@ -1665,15 +1640,19 @@ void wxGnomePrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wx
 
     gs_libGnomePrint->gnome_print_pango_layout( m_gpc, m_layout );
 
 
     gs_libGnomePrint->gnome_print_pango_layout( m_gpc, m_layout );
 

+    int w,h;
+    pango_layout_get_pixel_size( m_layout, &w, &h );
+

     gs_libGnomePrint->gnome_print_grestore( m_gpc );
 
     gs_libGnomePrint->gnome_print_grestore( m_gpc );
 

-    if (underlined)
+    if (setAttrs)

     {
         // undo underline attributes setting:
         pango_layout_set_attributes(m_layout, NULL);
     }
 
     {
         // undo underline attributes setting:
         pango_layout_set_attributes(m_layout, NULL);
     }
 

-    CalcBoundingBox (x + w, y + h);
+    CalcBoundingBox(x, y);
+    CalcBoundingBox(x + w, y + h);

 }
 
 void wxGnomePrinterDCImpl::Clear()
 }
 
 void wxGnomePrinterDCImpl::Clear()


@@ -1684,20 +1663,24 @@ void wxGnomePrinterDCImpl::SetFont( const wxFont& font )
 {
     m_font = font;
 
 {
     m_font = font;
 

-    if (m_font.Ok())
+    if (m_font.IsOk())

     {
         if (m_fontdesc)
             pango_font_description_free( m_fontdesc );
 
         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
 
     {
         if (m_fontdesc)
             pango_font_description_free( m_fontdesc );
 
         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
 

+        float size = pango_font_description_get_size( m_fontdesc );
+        size = size * GetFontPointSizeAdjustment(72.0);
+        pango_font_description_set_size( m_fontdesc, (gint)size );
+

         pango_layout_set_font_description( m_layout, m_fontdesc );
     }
 }
 
 void wxGnomePrinterDCImpl::SetPen( const wxPen& pen )
 {
         pango_layout_set_font_description( m_layout, m_fontdesc );
     }
 }
 
 void wxGnomePrinterDCImpl::SetPen( const wxPen& pen )
 {

-    if (!pen.Ok()) return;
+    if (!pen.IsOk()) return;

 
     m_pen = pen;
 
 
     m_pen = pen;
 


@@ -1763,7 +1746,7 @@ void wxGnomePrinterDCImpl::SetPen( const wxPen& pen )
 
 void wxGnomePrinterDCImpl::SetBrush( const wxBrush& brush )
 {
 
 void wxGnomePrinterDCImpl::SetBrush( const wxBrush& brush )
 {

-    if (!brush.Ok()) return;
+    if (!brush.IsOk()) return;

 
     m_brush = brush;
 
 
     m_brush = brush;
 


@@ -1800,7 +1783,7 @@ void wxGnomePrinterDCImpl::SetBrush( const wxBrush& brush )
     }
 }
 
     }
 }
 

-void wxGnomePrinterDCImpl::SetLogicalFunction(int WXUNUSED(function))
+void wxGnomePrinterDCImpl::SetLogicalFunction(wxRasterOperationMode WXUNUSED(function))

 {
 }
 
 {
 }
 


@@ -1911,33 +1894,26 @@ void wxGnomePrinterDCImpl::DoGetTextExtent(const wxString& string, wxCoord *widt
 
     // Set layout's text
 
 
     // Set layout's text
 

-    // FIXME-UTF8: wouldn't be needed if utf8_str() always returned a buffer
-#if wxUSE_UNICODE_UTF8
-    const char *dataUTF8 = string.utf8_str();
-#else
-    const wxCharBuffer dataUTF8 = string.utf8_str();
-#endif
+    const wxScopedCharBuffer dataUTF8(string.utf8_str());

 
 

-    PangoFontDescription *desc = (theFont) ? theFont->GetNativeFontInfo()->description : m_fontdesc;
-
-    gint oldSize = pango_font_description_get_size( desc );
-    double size = oldSize;
-    size = size * m_scaleY;
-    pango_font_description_set_size( desc, (gint)size );
+    gint oldSize = 0;
+    if ( theFont )
+    {
+        // scale the font and apply it
+        PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
+        oldSize = pango_font_description_get_size(desc);
+        float size = oldSize * GetFontPointSizeAdjustment(72.0);
+        pango_font_description_set_size(desc, (gint)size);

 
 

-    // apply scaled font
-    pango_layout_set_font_description( m_layout, desc );
+        pango_layout_set_font_description(m_layout, desc);
+    }

 
     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
 
 
     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
 

-    int w, h;
-    pango_layout_get_pixel_size( m_layout, &w, &h );
-
-
-    if (width)
-        *width = (wxCoord)(w / m_scaleX);
-    if (height)
-        *height = (wxCoord)(h / m_scaleY);
+    int h;
+    pango_layout_get_pixel_size( m_layout, width, &h );
+    if ( height )
+        *height = h;

 
     if (descent)
     {
 
     if (descent)
     {


@@ -1947,11 +1923,14 @@ void wxGnomePrinterDCImpl::DoGetTextExtent(const wxString& string, wxCoord *widt
         *descent = h - PANGO_PIXELS(baseline);
     }
 
         *descent = h - PANGO_PIXELS(baseline);
     }
 

-    // reset unscaled size
-    pango_font_description_set_size( desc, oldSize );
+    if ( theFont )
+    {
+        // restore font and reset font's size back
+        pango_layout_set_font_description(m_layout, m_fontdesc);

 
 

-    // reset unscaled font
-    pango_layout_set_font_description( m_layout, m_fontdesc );
+        PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
+        pango_font_description_set_size(desc, oldSize);
+    }

 }
 
 void wxGnomePrinterDCImpl::DoGetSize(int* width, int* height) const
 }
 
 void wxGnomePrinterDCImpl::DoGetSize(int* width, int* height) const


@@ -2012,12 +1991,12 @@ void wxGnomePrinterDCImpl::SetPrintData(const wxPrintData& data)
 
 // overridden for wxPrinterDC Impl
 
 
 // overridden for wxPrinterDC Impl
 

-int wxGnomePrinterDCImpl::GetResolution()
+int wxGnomePrinterDCImpl::GetResolution() const

 {
     return DPI;
 }
 
 {
     return DPI;
 }
 

-wxRect wxGnomePrinterDCImpl::GetPaperRect()
+wxRect wxGnomePrinterDCImpl::GetPaperRect() const

 {
     // GNOME print doesn't support printer margins
     int w = 0;
 {
     // GNOME print doesn't support printer margins
     int w = 0;


@@ -2040,8 +2019,7 @@ bool wxGnomePrintModule::OnInit()
 
 void wxGnomePrintModule::OnExit()
 {
 
 void wxGnomePrintModule::OnExit()
 {

-    delete gs_libGnomePrint;
-    gs_libGnomePrint = NULL;
+    wxDELETE(gs_libGnomePrint);

 }
 
 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)
 }
 
 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)


@@ -2099,12 +2077,8 @@ void wxGnomePrintPreview::DetermineScaling()
 
     if (paper)
     {
 
     if (paper)
     {

-        wxSize ScreenPixels = wxGetDisplaySize();
-        wxSize ScreenMM = wxGetDisplaySizeMM();
+        m_previewPrintout->SetPPIScreen(wxGetDisplayPPI());

 
 

-        m_previewPrintout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
-                                         (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
-                                         

         int resolution = DPI;
         m_previewPrintout->SetPPIPrinter( resolution, resolution );
 
         int resolution = DPI;
         m_previewPrintout->SetPPIPrinter( resolution, resolution );