Add missing WXK constants for the control keys

[wxWidgets.git] / src / common / dcsvg.cpp

diff --git a/src/common/dcsvg.cpp b/src/common/dcsvg.cpp
index daafe55ff67588ea958935e113038008bcd6b127..85105f91f292f4bbb56c8e596073368228b5970a 100644 (file)
--- a/src/common/dcsvg.cpp
+++ b/src/common/dcsvg.cpp
@@ -1,10 +1,10 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        svg.cpp
+// Name:        src/common/svg.cpp

 // Purpose:     SVG sample
 // Author:      Chris Elliott
 // Modified by:
 // RCS-ID:      $Id$
 // Purpose:     SVG sample
 // Author:      Chris Elliott
 // Modified by:
 // RCS-ID:      $Id$

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 
 /////////////////////////////////////////////////////////////////////////////
 
 


@@ -28,70 +28,110 @@
 #include "wx/wfstream.h"
 #include "wx/filename.h"
 
 #include "wx/wfstream.h"
 #include "wx/filename.h"
 

-#define wxSVG_DEBUG FALSE
-// or TRUE to see the calls being executed
+// ----------------------------------------------------------
+// Global utilities
+// ----------------------------------------------------------
+
+namespace
+{

 
 

-#define newline        wxString(wxT("\n"))
-#define space          wxString(wxT(" "))
-#define semicolon      wxString(wxT(";"))
-#define wx_round(a)    (int)((a)+.5)
+inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }

 
 

-static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
+// This function returns a string representation of a floating point number in
+// C locale (i.e. always using "." for the decimal separator) and with the
+// fixed precision (which is 2 for some unknown reason but this is what it was
+// in this code originally).
+inline wxString NumStr(double f)
+{
+    return wxString::FromCDouble(f, 2);
+}

 
 

-wxString wxColStr ( wxColour c )
+// Return the colour representation as HTML-like "#rrggbb" string and also
+// returns its alpha as opacity number in 0..1 range.
+wxString Col2SVG(wxColour c, float *opacity)

 {
 {

-    unsigned char r, g, b ;
-    r = c.Red ();
-    g = c.Green ();
-    b = c. Blue ();
+    if ( c.Alpha() != wxALPHA_OPAQUE )
+    {
+        *opacity = c.Alpha()/255.;
+
+        // Remove the alpha before using GetAsString(wxC2S_HTML_SYNTAX) as it
+        // doesn't support colours with alpha channel.
+        c = wxColour(c.GetRGB());
+    }
+    else // No alpha.
+    {
+        *opacity = 1.;
+    }

 
 

-    // possible Unicode bug here
-    wxString s = wxDecToHex(r) + wxDecToHex(g) + wxDecToHex(b) ;
-    return s ;
+    return c.GetAsString(wxC2S_HTML_SYNTAX);

 }
 
 }
 

+wxString wxPenString(wxColour c, int style = wxPENSTYLE_SOLID)
+{
+    float opacity;
+    wxString s = wxT("stroke:") + Col2SVG(c, &opacity)  + wxT("; ");

 
 

-wxString wxBrushString ( wxColour c, int style )
+    switch ( style )
+    {
+        case wxPENSTYLE_SOLID:
+            s += wxString::Format(wxT("stroke-opacity:%s; "), NumStr(opacity));
+            break;
+        case wxPENSTYLE_TRANSPARENT:
+            s += wxT("stroke-opacity:0.0; ");
+            break;
+        default :
+            wxASSERT_MSG(false, wxT("wxSVGFileDC::Requested Pen Style not available"));
+    }
+
+    return s;
+}
+
+wxString wxBrushString(wxColour c, int style = wxBRUSHSTYLE_SOLID)

 {
 {

-    wxString s = wxT("fill:#") + wxColStr (c)  + semicolon + space ;
+    float opacity;
+    wxString s = wxT("fill:") + Col2SVG(c, &opacity)  + wxT("; ");
+

     switch ( style )
     {
     switch ( style )
     {

-        case wxBRUSHSTYLE_SOLID :
-            s = s + wxT("fill-opacity:1.0; ");
-            break ;
+        case wxBRUSHSTYLE_SOLID:
+            s += wxString::Format(wxT("fill-opacity:%s; "), NumStr(opacity));
+            break;

         case wxBRUSHSTYLE_TRANSPARENT:
         case wxBRUSHSTYLE_TRANSPARENT:

-            s = s + wxT("fill-opacity:0.0; ");
-            break ;
-
+            s += wxT("fill-opacity:0.0; ");
+            break;

         default :
         default :

-            wxASSERT_MSG(FALSE, wxT("wxSVGFileDC::Requested Brush Style not available")) ;
-
+            wxASSERT_MSG(false, wxT("wxSVGFileDC::Requested Brush Style not available"));

     }
     }

-    s = s + newline ;
-    return s ;
+
+    return s;

 }
 
 }
 

+} // anonymous namespace
+

 // ----------------------------------------------------------
 // ----------------------------------------------------------

-//   wxSVGFileDC
+// wxSVGFileDCImpl

 // ----------------------------------------------------------
 
 IMPLEMENT_ABSTRACT_CLASS(wxSVGFileDCImpl, wxDC)
 
 // ----------------------------------------------------------
 
 IMPLEMENT_ABSTRACT_CLASS(wxSVGFileDCImpl, wxDC)
 

-wxSVGFileDCImpl::wxSVGFileDCImpl( wxSVGFileDC *owner, const wxString &filename, 
-                     int width, int height, double dpi ) :
+wxSVGFileDCImpl::wxSVGFileDCImpl( wxSVGFileDC *owner, const wxString &filename,
+                    int width, int height, double dpi ) :

         wxDCImpl( owner )
     {
         wxDCImpl( owner )
     {

-        Init( filename, width, height, dpi ); 
+        Init( filename, width, height, dpi );

     }
 
 void wxSVGFileDCImpl::Init (const wxString &filename, int Width, int Height, double dpi)
 {
     }
 
 void wxSVGFileDCImpl::Init (const wxString &filename, int Width, int Height, double dpi)
 {

-    m_width = Width ;
-    m_height = Height ;
+    m_width = Width;
+    m_height = Height;

 
     m_dpi = dpi;
 
 
     m_dpi = dpi;
 

-    m_OK = TRUE;
+    m_OK = true;
+
+    m_clipUniqueId = 0;
+    m_clipNestingLevel = 0;

 
     m_mm_to_pix_x = dpi/25.4;
     m_mm_to_pix_y = dpi/25.4;
 
     m_mm_to_pix_x = dpi/25.4;
     m_mm_to_pix_y = dpi/25.4;


@@ -105,55 +145,52 @@ void wxSVGFileDCImpl::Init (const wxString &filename, int Width, int Height, dou
     m_font  = *wxNORMAL_FONT;
     m_brush = *wxWHITE_BRUSH;
 
     m_font  = *wxNORMAL_FONT;
     m_brush = *wxWHITE_BRUSH;
 

-    m_graphics_changed = TRUE ;
+    m_graphics_changed = true;

 
     ////////////////////code here
 
 
     ////////////////////code here
 

-    m_outfile = new wxFileOutputStream(filename) ;
-    m_OK = m_outfile->Ok ();
+    m_outfile = new wxFileOutputStream(filename);
+    m_OK = m_outfile->IsOk();

     if (m_OK)
     {
     if (m_OK)
     {

-        m_filename = filename ;
-        m_sub_images = 0 ;
-        wxString s ;
-        s = wxT("<?xml version=\"1.0\" standalone=\"no\"?>") ; s = s + newline ;
+        m_filename = filename;
+        m_sub_images = 0;
+        wxString s;
+        s = wxT("<?xml version=\"1.0\" standalone=\"no\"?>\n");

         write(s);
         write(s);

-        s = wxT("<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 20010904//EN\" ") + newline ;
+        s = wxT("<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 20010904//EN\"\n");

         write(s);
         write(s);

-        s = wxT("\"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd\"> ") + newline ;
+        s = wxT("\"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd\">\n");

         write(s);
         write(s);

-       s =  wxT("<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" ") + newline;
-       write(s);
-       s.Printf( wxT("    width=\"%.2gcm\" height=\"%.2gcm\" viewBox=\"0 0 %d %d \"> \n"), float(Width)/dpi*2.54, float(Height)/dpi*2.54, Width, Height );
-       write(s);
-        s = wxT("<title>SVG Picture created as ") + wxFileNameFromPath(filename) + wxT(" </title>") + newline ;
+        s = wxT("<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\"\n");

         write(s);
         write(s);

-        s = wxString (wxT("<desc>Picture generated by wxSVG ")) + wxSVGVersion + wxT(" </desc>")+ newline ;
+        s.Printf( wxT("    width=\"%scm\" height=\"%scm\" viewBox=\"0 0 %d %d \">\n"), NumStr(float(Width)/dpi*2.54), NumStr(float(Height)/dpi*2.54), Width, Height );

         write(s);
         write(s);

-        s =  wxT("<g style=\"fill:black; stroke:black; stroke-width:1\">") + newline ;
+        s = wxT("<title>SVG Picture created as ") + wxFileName(filename).GetFullName() + wxT(" </title>\n");
+        write(s);
+        s = wxString (wxT("<desc>Picture generated by wxSVG ")) + wxSVGVersion + wxT(" </desc>\n");
+        write(s);
+        s =  wxT("<g style=\"fill:black; stroke:black; stroke-width:1\">\n");

         write(s);
         write(s);

-

     }
 }
 
     }
 }
 

-
-

 wxSVGFileDCImpl::~wxSVGFileDCImpl()
 {
 wxSVGFileDCImpl::~wxSVGFileDCImpl()
 {

-    wxString s = wxT("</g> \n</svg> \n") ;
+    wxString s = wxT("</g> \n</svg> \n");

     write(s);
     write(s);

-    delete m_outfile ;
+    delete m_outfile;

 }
 
 void wxSVGFileDCImpl::DoGetSizeMM( int *width, int *height ) const
 {
     if (width)
         *width = wxRound( (double)m_width / m_mm_to_pix_x );
 }
 
 void wxSVGFileDCImpl::DoGetSizeMM( int *width, int *height ) const
 {
     if (width)
         *width = wxRound( (double)m_width / m_mm_to_pix_x );

-        
+

     if (height)
         *height = wxRound( (double)m_height / m_mm_to_pix_y );
 }
     if (height)
         *height = wxRound( (double)m_height / m_mm_to_pix_y );
 }

-   
+

 wxSize wxSVGFileDCImpl::GetPPI() const
 {
     return wxSize( wxRound(m_dpi), wxRound(m_dpi) );
 wxSize wxSVGFileDCImpl::GetPPI() const
 {
     return wxSize( wxRound(m_dpi), wxRound(m_dpi) );


@@ -161,62 +198,55 @@ wxSize wxSVGFileDCImpl::GetPPI() const
 
 void wxSVGFileDCImpl::DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
 {
 
 void wxSVGFileDCImpl::DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
 {

-    if (m_graphics_changed) NewGraphics ();
-    wxString s ;
+    NewGraphicsIfNeeded();
+    wxString s;

     s.Printf ( wxT("<path d=\"M%d %d L%d %d\" /> \n"), x1,y1,x2,y2 );
     if (m_OK)
     {
         write(s);
     }
     s.Printf ( wxT("<path d=\"M%d %d L%d %d\" /> \n"), x1,y1,x2,y2 );
     if (m_OK)
     {
         write(s);
     }

-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::DrawLine Call executed")) ;
-    CalcBoundingBox(x1, y1) ;
-    CalcBoundingBox(x2, y2) ;
-    return;
+    CalcBoundingBox(x1, y1);
+    CalcBoundingBox(x2, y2);

 }
 
 void wxSVGFileDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset , wxCoord yoffset )
 {
 }
 
 void wxSVGFileDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset , wxCoord yoffset )
 {

-    for ( int i = 1; i < n ; i++ )
+    for ( int i = 1; i < n; i++ )

     {
         DoDrawLine ( points [i-1].x + xoffset, points [i-1].y + yoffset,
     {
         DoDrawLine ( points [i-1].x + xoffset, points [i-1].y + yoffset,

-            points [ i ].x + xoffset, points [ i ].y + yoffset ) ;
+            points [ i ].x + xoffset, points [ i ].y + yoffset );

     }
 }
 
     }
 }
 

-

 void wxSVGFileDCImpl::DoDrawPoint (wxCoord x1, wxCoord y1)
 {
     wxString s;
 void wxSVGFileDCImpl::DoDrawPoint (wxCoord x1, wxCoord y1)
 {
     wxString s;

-    if (m_graphics_changed) NewGraphics ();
-    s = wxT("<g style = \"stroke-linecap:round;\" > ") + newline ;
+    NewGraphicsIfNeeded();
+    s = wxT("<g style = \"stroke-linecap:round;\" > \n");

     write(s);
     DoDrawLine ( x1,y1,x1,y1 );
     s = wxT("</g>");
     write(s);
 }
 
     write(s);
     DoDrawLine ( x1,y1,x1,y1 );
     s = wxT("</g>");
     write(s);
 }
 

-

 void wxSVGFileDCImpl::DoDrawCheckMark(wxCoord x1, wxCoord y1, wxCoord width, wxCoord height)
 {
 void wxSVGFileDCImpl::DoDrawCheckMark(wxCoord x1, wxCoord y1, wxCoord width, wxCoord height)
 {

-    wxDCImpl::DoDrawCheckMark (x1,y1,width,height) ;
+    wxDCImpl::DoDrawCheckMark (x1,y1,width,height);

 }
 
 }
 

-

 void wxSVGFileDCImpl::DoDrawText(const wxString& text, wxCoord x1, wxCoord y1)
 {
     DoDrawRotatedText(text, x1,y1,0.0);
 void wxSVGFileDCImpl::DoDrawText(const wxString& text, wxCoord x1, wxCoord y1)
 {
     DoDrawRotatedText(text, x1,y1,0.0);

-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::DrawText Call executed")) ;

 }
 
 }
 

-

 void wxSVGFileDCImpl::DoDrawRotatedText(const wxString& sText, wxCoord x, wxCoord y, double angle)
 {
     //known bug; if the font is drawn in a scaled DC, it will not behave exactly as wxMSW
 void wxSVGFileDCImpl::DoDrawRotatedText(const wxString& sText, wxCoord x, wxCoord y, double angle)
 {
     //known bug; if the font is drawn in a scaled DC, it will not behave exactly as wxMSW

-    if (m_graphics_changed) NewGraphics ();
+    NewGraphicsIfNeeded();

     wxString s, sTmp;
 
     // calculate bounding box
     wxString s, sTmp;
 
     // calculate bounding box

-    wxCoord w, h, desc ;
+    wxCoord w, h, desc;

     DoGetTextExtent(sText, &w, &h, &desc);
 
     double rad = DegToRad(angle);
     DoGetTextExtent(sText, &w, &h, &desc);
 
     double rad = DegToRad(angle);


@@ -226,122 +256,114 @@ void wxSVGFileDCImpl::DoDrawRotatedText(const wxString& sText, wxCoord x, wxCoor
     CalcBoundingBox((wxCoord)(x + w*cos(rad)), (wxCoord)(y - h*sin(rad)));
 
     // wxT("bottom left") and wxT("bottom right")
     CalcBoundingBox((wxCoord)(x + w*cos(rad)), (wxCoord)(y - h*sin(rad)));
 
     // wxT("bottom left") and wxT("bottom right")

-    x += (wxCoord)(h*sin(rad));
-    y += (wxCoord)(h*cos(rad));
-    CalcBoundingBox(x, y);

     CalcBoundingBox((wxCoord)(x + h*sin(rad)), (wxCoord)(y + h*cos(rad)));
     CalcBoundingBox((wxCoord)(x + h*sin(rad)), (wxCoord)(y + h*cos(rad)));

+    CalcBoundingBox((wxCoord)(x + h*sin(rad) + w*cos(rad)), (wxCoord)(y + h*cos(rad) - w*sin(rad)));

 
     if (m_backgroundMode == wxBRUSHSTYLE_SOLID)
     {
         // draw background first
         // just like DoDrawRectangle except we pass the text color to it and set the border to a 1 pixel wide text background
 
 
     if (m_backgroundMode == wxBRUSHSTYLE_SOLID)
     {
         // draw background first
         // just like DoDrawRectangle except we pass the text color to it and set the border to a 1 pixel wide text background
 

-        wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::Draw Rotated Text Call plotting text background")) ;
-        sTmp.Printf ( wxT(" <rect x=\"%d\" y=\"%d\" width=\"%d\" height=\"%d\"  "), x,y+desc-h, w, h );
-        s = sTmp + wxT("style=\"fill:#") + wxColStr (m_textBackgroundColour) + wxT("; ") ;
-        s = s + wxT("stroke-width:1; stroke:#") + wxColStr (m_textBackgroundColour) + wxT("; ") ;
-        sTmp.Printf ( wxT("\" transform=\"rotate( %.2g %d %d )  \">"), -angle, x,y ) ;
-        s = s + sTmp + newline ;
+        sTmp.Printf ( wxT(" <rect x=\"%d\" y=\"%d\" width=\"%d\" height=\"%d\" "), x, y, w, h );
+        s = sTmp + wxT("style=\"") + wxBrushString(m_textBackgroundColour);
+        s += wxT("stroke-width:1; ") + wxPenString(m_textBackgroundColour);
+        sTmp.Printf ( wxT("\" transform=\"rotate( %s %d %d )  \" />"), NumStr(-angle), x,y );
+        s += sTmp + wxT("\n");

         write(s);
     }
         write(s);
     }

+
+    // convert x,y to SVG text x,y (the coordinates of the text baseline)
+    x = (wxCoord)(x + (h-desc)*sin(rad));
+    y = (wxCoord)(y + (h-desc)*cos(rad));
+

     //now do the text itself
     s.Printf (wxT(" <text x=\"%d\" y=\"%d\" "),x,y );
 
     //now do the text itself
     s.Printf (wxT(" <text x=\"%d\" y=\"%d\" "),x,y );
 

-    sTmp = m_font.GetFaceName () ;
-    if (sTmp.Len () > 0)  s = s + wxT("style=\"font-family:") + sTmp + wxT("; ");
-    else s = s + wxT("style=\" ") ;
+    sTmp = m_font.GetFaceName();
+    if (sTmp.Len() > 0)  s += wxT("style=\"font-family:") + sTmp + wxT("; ");
+    else s += wxT("style=\" ");

 
     wxString fontweights [3] = { wxT("normal"), wxT("lighter"), wxT("bold") };
 
     wxString fontweights [3] = { wxT("normal"), wxT("lighter"), wxT("bold") };

-    s = s + wxT("font-weight:") + fontweights[m_font.GetWeight() - wxNORMAL] + semicolon + space;
+    s += wxT("font-weight:") + fontweights[m_font.GetWeight() - wxNORMAL] + wxT("; ");

 
     wxString fontstyles [5] = { wxT("normal"), wxT("style error"), wxT("style error"), wxT("italic"), wxT("oblique") };
 
     wxString fontstyles [5] = { wxT("normal"), wxT("style error"), wxT("style error"), wxT("italic"), wxT("oblique") };

-    s = s + wxT("font-style:") + fontstyles[m_font.GetStyle() - wxNORMAL] + semicolon  + space;
-
-    sTmp.Printf (wxT("font-size:%dpt; fill:#"), m_font.GetPointSize () );
-    s = s + sTmp ;
-    s = s + wxColStr (m_textForegroundColour) + wxT("; stroke:#") + wxColStr (m_textForegroundColour) + wxT("; ") ;
-    sTmp.Printf ( wxT("stroke-width:0;\"  transform=\"rotate( %.2g %d %d )  \" >"),  -angle, x,y ) ;
-    s = s + sTmp + sText + wxT("</text> ") + newline ;
+    s += wxT("font-style:") + fontstyles[m_font.GetStyle() - wxNORMAL] + wxT("; ");
+
+    sTmp.Printf (wxT("font-size:%dpt; "), m_font.GetPointSize() );
+    s += sTmp;
+    //text will be solid, unless alpha value isn't opaque in the foreground colour
+    s += wxBrushString(m_textForegroundColour) + wxPenString(m_textForegroundColour);
+    sTmp.Printf ( wxT("stroke-width:0;\"  transform=\"rotate( %s %d %d )  \" >"),  NumStr(-angle), x,y );
+    s += sTmp + sText + wxT("</text> ") + wxT("\n");

     if (m_OK)
     {
         write(s);
     }
     if (m_OK)
     {
         write(s);
     }

-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::DrawRotatedText Call executed")) ;
-

 }
 
 }
 

-

 void wxSVGFileDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 {
 void wxSVGFileDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 {

-    DoDrawRoundedRectangle(x, y, width, height, 0)  ;
+    DoDrawRoundedRectangle(x, y, width, height, 0);

 }
 
 }
 

-

 void wxSVGFileDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius )
 
 {
 void wxSVGFileDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius )
 
 {

-    if (m_graphics_changed) NewGraphics ();
-    wxString s ;
+    NewGraphicsIfNeeded();
+    wxString s;

 
 

-    s.Printf ( wxT(" <rect x=\"%d\" y=\"%d\" width=\"%d\" height=\"%d\" rx=\"%.2g\" "),
-               x, y, width, height, radius );
+    s.Printf ( wxT(" <rect x=\"%d\" y=\"%d\" width=\"%d\" height=\"%d\" rx=\"%s\" "),
+            x, y, width, height, NumStr(radius) );

 
 

-    s = s + wxT(" /> ") + newline ;
+    s += wxT(" /> \n");

     write(s);
 
     write(s);
 

-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::DoDrawRoundedRectangle Call executed")) ;
-    CalcBoundingBox(x, y) ;
-    CalcBoundingBox(x + width, y + height) ;
-
+    CalcBoundingBox(x, y);
+    CalcBoundingBox(x + width, y + height);

 }
 
 }
 

-
-void wxSVGFileDCImpl::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle)
+void wxSVGFileDCImpl::DoDrawPolygon(int n, wxPoint points[],
+                                    wxCoord xoffset, wxCoord yoffset,
+                                    wxPolygonFillMode fillStyle)

 {
 {

-    if (m_graphics_changed) NewGraphics ();
-    wxString s, sTmp ;
-    s = wxT("<polygon style=\"") ;
+    NewGraphicsIfNeeded();
+    wxString s, sTmp;
+    s = wxT("<polygon style=\"");

     if ( fillStyle == wxODDEVEN_RULE )
     if ( fillStyle == wxODDEVEN_RULE )

-        s = s + wxT("fill-rule:evenodd; ");
+        s += wxT("fill-rule:evenodd; ");

     else
     else

-        s = s + wxT("fill-rule:nonzero; ");
+        s += wxT("fill-rule:nonzero; ");

 
 

-    s = s  + wxT("\" \npoints=\"") ;
+    s += wxT("\" \npoints=\"");

 
     for (int i = 0; i < n;  i++)
     {
         sTmp.Printf ( wxT("%d,%d"), points [i].x+xoffset, points[i].y+yoffset );
 
     for (int i = 0; i < n;  i++)
     {
         sTmp.Printf ( wxT("%d,%d"), points [i].x+xoffset, points[i].y+yoffset );

-        s = s + sTmp + newline ;
+        s += sTmp + wxT("\n");

         CalcBoundingBox ( points [i].x+xoffset, points[i].y+yoffset);
     }
         CalcBoundingBox ( points [i].x+xoffset, points[i].y+yoffset);
     }

-    s = s + wxT("\" /> ") ;
-    s = s + newline ;
+    s += wxT("\" /> \n");

     write(s);
     write(s);

-
-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::DoDrawPolygon Call executed")) ;

 }
 
 }
 

-

 void wxSVGFileDCImpl::DoDrawEllipse (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 
 {
 void wxSVGFileDCImpl::DoDrawEllipse (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 
 {

-    if (m_graphics_changed) NewGraphics ();
+    NewGraphicsIfNeeded();

 
 

-    int rh = height /2 ;
-    int rw = width  /2 ;
+    int rh = height /2;
+    int rw = width  /2;

 
     wxString s;
     s.Printf ( wxT("<ellipse cx=\"%d\" cy=\"%d\" rx=\"%d\" ry=\"%d\" "), x+rw,y+rh, rw, rh );
 
     wxString s;
     s.Printf ( wxT("<ellipse cx=\"%d\" cy=\"%d\" rx=\"%d\" ry=\"%d\" "), x+rw,y+rh, rw, rh );

-    s = s + wxT(" /> ") + newline ;
+    s += wxT(" /> \n");

 
     write(s);
 
 
     write(s);
 

-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::DoDrawEllipse Call executed")) ;
-    CalcBoundingBox(x, y) ;
-    CalcBoundingBox(x + width, y + height) ;
+    CalcBoundingBox(x, y);
+    CalcBoundingBox(x + width, y + height);

 }
 
 }
 

-

 void wxSVGFileDCImpl::DoDrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
 {
     /* Draws an arc of a circle, centred on (xc, yc), with starting point
 void wxSVGFileDCImpl::DoDrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
 {
     /* Draws an arc of a circle, centred on (xc, yc), with starting point


@@ -353,17 +375,17 @@ void wxSVGFileDCImpl::DoDrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
 
     Might be better described as Pie drawing */
 
 
     Might be better described as Pie drawing */
 

-    if (m_graphics_changed) NewGraphics ();
-    wxString s ;
+    NewGraphicsIfNeeded();
+    wxString s;

 
     // we need the radius of the circle which has two estimates
     double r1 = sqrt ( double( (x1-xc)*(x1-xc) ) + double( (y1-yc)*(y1-yc) ) );
     double r2 = sqrt ( double( (x2-xc)*(x2-xc) ) + double( (y2-yc)*(y2-yc) ) );
 
 
     // we need the radius of the circle which has two estimates
     double r1 = sqrt ( double( (x1-xc)*(x1-xc) ) + double( (y1-yc)*(y1-yc) ) );
     double r2 = sqrt ( double( (x2-xc)*(x2-xc) ) + double( (y2-yc)*(y2-yc) ) );
 

-    wxASSERT_MSG( (fabs ( r2-r1 ) <= 3), wxT("wxSVGFileDC::DoDrawArc Error in getting radii of circle")) ;
+    wxASSERT_MSG( (fabs ( r2-r1 ) <= 3), wxT("wxSVGFileDC::DoDrawArc Error in getting radii of circle"));

     if ( fabs ( r2-r1 ) > 3 )    //pixels
     {
     if ( fabs ( r2-r1 ) > 3 )    //pixels
     {

-        s = wxT("<!--- wxSVGFileDC::DoDrawArc Error in getting radii of circle --> \n") ;
+        s = wxT("<!--- wxSVGFileDC::DoDrawArc Error in getting radii of circle --> \n");

         write(s);
     }
 
         write(s);
     }
 


@@ -371,29 +393,26 @@ void wxSVGFileDCImpl::DoDrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
     if ( theta1 < 0 ) theta1 = theta1 + M_PI * 2;
     double theta2 = atan2((double)(yc-y2), (double)(x2-xc));
     if ( theta2 < 0 ) theta2 = theta2 + M_PI * 2;
     if ( theta1 < 0 ) theta1 = theta1 + M_PI * 2;
     double theta2 = atan2((double)(yc-y2), (double)(x2-xc));
     if ( theta2 < 0 ) theta2 = theta2 + M_PI * 2;

-    if ( theta2 < theta1 ) theta2 = theta2 + M_PI *2 ;
+    if ( theta2 < theta1 ) theta2 = theta2 + M_PI *2;

 
 

-    int fArc  ;                  // flag for large or small arc 0 means less than 180 degrees
-    if ( fabs(theta2 - theta1) > M_PI ) fArc = 1; else fArc = 0 ;
+    int fArc;                  // flag for large or small arc 0 means less than 180 degrees
+    if ( fabs(theta2 - theta1) > M_PI ) fArc = 1; else fArc = 0;

 
 

-    int fSweep = 0 ;             // flag for sweep always 0
+    int fSweep = 0;             // flag for sweep always 0

 
 

-    s.Printf ( wxT("<path d=\"M%d %d A%.2g %.2g 0.0 %d %d %d %d L%d %d z "),
-        x1,y1, r1, r2, fArc, fSweep, x2, y2, xc, yc );
+    s.Printf ( wxT("<path d=\"M%d %d A%s %s 0.0 %d %d %d %d L%d %d z "),
+        x1,y1, NumStr(r1), NumStr(r2), fArc, fSweep, x2, y2, xc, yc );

 
     // the z means close the path and fill
 
     // the z means close the path and fill

-    s = s + wxT(" \" /> ") + newline ;
+    s += wxT(" \" /> \n");

 
 
     if (m_OK)
     {
         write(s);
     }
 
 
     if (m_OK)
     {
         write(s);
     }

-
-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::DoDrawArc Call executed")) ;

 }
 
 }
 

-

 void wxSVGFileDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
 {
     /*
 void wxSVGFileDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
 {
     /*


@@ -415,107 +434,147 @@ void wxSVGFileDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,
 
     //known bug: SVG draws with the current pen along the radii, but this does not happen in wxMSW
 
 
     //known bug: SVG draws with the current pen along the radii, but this does not happen in wxMSW
 

-    if (m_graphics_changed) NewGraphics ();
+    NewGraphicsIfNeeded();

 
 

-    wxString s ;
+    wxString s;

     //radius
     //radius

-    double rx = w / 2 ;
-    double ry = h / 2 ;
+    double rx = w / 2;
+    double ry = h / 2;

     // center
     // center

-    double xc = x + rx ;
-    double yc = y + ry ;
+    double xc = x + rx;
+    double yc = y + ry;

 
 

-    double xs, ys, xe, ye ;
-    xs = xc + rx * cos (DegToRad(sa)) ;
-    xe = xc + rx * cos (DegToRad(ea)) ;
-    ys = yc - ry * sin (DegToRad(sa)) ;
-    ye = yc - ry * sin (DegToRad(ea)) ;
+    double xs, ys, xe, ye;
+    xs = xc + rx * cos (DegToRad(sa));
+    xe = xc + rx * cos (DegToRad(ea));
+    ys = yc - ry * sin (DegToRad(sa));
+    ye = yc - ry * sin (DegToRad(ea));

 
     ///now same as circle arc...
 
     double theta1 = atan2(ys-yc, xs-xc);
     double theta2 = atan2(ye-yc, xe-xc);
 
 
     ///now same as circle arc...
 
     double theta1 = atan2(ys-yc, xs-xc);
     double theta2 = atan2(ye-yc, xe-xc);
 

-    int fArc  ;                  // flag for large or small arc 0 means less than 180 degrees
-    if ( (theta2 - theta1) > 0 ) fArc = 1; else fArc = 0 ;
+    int fArc;                  // flag for large or small arc 0 means less than 180 degrees
+    if ( (theta2 - theta1) > 0 ) fArc = 1; else fArc = 0;

 
 

-    int fSweep ;
-    if ( fabs(theta2 - theta1) > M_PI) fSweep = 1; else fSweep = 0 ;
+    int fSweep;
+    if ( fabs(theta2 - theta1) > M_PI) fSweep = 1; else fSweep = 0;

 
     s.Printf ( wxT("<path d=\"M%d %d A%d %d 0.0 %d %d  %d %d L %d %d z "),
         int(xs), int(ys), int(rx), int(ry),
         fArc, fSweep, int(xe), int(ye), int(xc), int(yc)  );
 
 
     s.Printf ( wxT("<path d=\"M%d %d A%d %d 0.0 %d %d  %d %d L %d %d z "),
         int(xs), int(ys), int(rx), int(ry),
         fArc, fSweep, int(xe), int(ye), int(xc), int(yc)  );
 

-
-    s = s + wxT(" \" /> ") + newline ;
+    s += wxT(" \" /> \n");

 
     if (m_OK)
     {
         write(s);
     }
 
     if (m_OK)
     {
         write(s);
     }

+}

 
 

-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::DoDrawEllipticArc Call executed")) ;
+void wxSVGFileDCImpl::DoSetClippingRegion( int x,  int y, int width, int height )
+{
+    wxString svg;
+
+    // End current graphics group to ensure proper xml nesting (e.g. so that
+    // graphics can be subsequently changed inside the clipping region)
+    svg << "</g>\n"
+           "<defs>\n"
+           "<clipPath id=\"clip" << m_clipNestingLevel << "\">\n"
+           "<rect id=\"cliprect" << m_clipNestingLevel << "\" "
+                "x=\"" << x << "\" "
+                "y=\"" << y << "\" "
+                "width=\"" << width << "\" "
+                "height=\"" << height << "\" "
+                "style=\"stroke: gray; fill: none;\"/>\n"
+           "</clipPath>\n"
+           "</defs>\n"
+           "<g style=\"clip-path: url(#clip" << m_clipNestingLevel << ");\">\n";
+
+    write(svg);
+
+    // Re-apply current graphics to ensure proper xml nesting
+    DoStartNewGraphics();
+
+    m_clipUniqueId++;
+    m_clipNestingLevel++;

 }
 
 }
 

+void wxSVGFileDCImpl::DestroyClippingRegion()
+{
+    wxString svg;
+
+    // End current graphics element to ensure proper xml nesting (e.g. graphics
+    // might have been changed inside the clipping region)
+    svg << "</g>\n";
+
+    // Close clipping group elements
+    for ( size_t i = 0; i < m_clipUniqueId; i++ )
+    {
+        svg << "</g>";
+    }
+    svg << "\n";
+
+    write(svg);
+
+    // Re-apply current graphics (e.g. brush may have been changed inside one
+    // of the clipped regions - that change will have been lost after xml
+    // elements for the clipped region have been closed).
+    DoStartNewGraphics();
+
+    m_clipUniqueId = 0;
+}

 
 void wxSVGFileDCImpl::DoGetTextExtent(const wxString& string, wxCoord *w, wxCoord *h, wxCoord *descent , wxCoord *externalLeading , const wxFont *font) const
 
 {
 
 void wxSVGFileDCImpl::DoGetTextExtent(const wxString& string, wxCoord *w, wxCoord *h, wxCoord *descent , wxCoord *externalLeading , const wxFont *font) const
 
 {

-    wxScreenDC sDC ;
+    wxScreenDC sDC;

 
     sDC.SetFont (m_font);
     if ( font != NULL ) sDC.SetFont ( *font );
     sDC.GetTextExtent(string, w,  h, descent, externalLeading );
 
     sDC.SetFont (m_font);
     if ( font != NULL ) sDC.SetFont ( *font );
     sDC.GetTextExtent(string, w,  h, descent, externalLeading );

-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::GetTextExtent Call executed")) ;

 }
 
 }
 

-

 wxCoord wxSVGFileDCImpl::GetCharHeight() const
 wxCoord wxSVGFileDCImpl::GetCharHeight() const

-

 {
 {

-    wxScreenDC sDC ;
+    wxScreenDC sDC;

     sDC.SetFont (m_font);
 
     sDC.SetFont (m_font);
 

-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::GetCharHeight Call executing")) ;
-    return ( sDC.GetCharHeight() );
+    return sDC.GetCharHeight();

 
 }
 
 
 }
 

-

 wxCoord wxSVGFileDCImpl::GetCharWidth() const
 {
 wxCoord wxSVGFileDCImpl::GetCharWidth() const
 {

-    wxScreenDC sDC ;
+    wxScreenDC sDC;

     sDC.SetFont (m_font);
 
     sDC.SetFont (m_font);
 

-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::GetCharWidth Call executing")) ;
-    return ( sDC.GetCharWidth() ) ;
-
+    return sDC.GetCharWidth();

 }
 
 
 }
 
 

-/// Set Functions /////////////////////////////////////////////////////////////////
+// ----------------------------------------------------------
+// wxSVGFileDCImpl - set functions
+// ----------------------------------------------------------
+

 void wxSVGFileDCImpl::SetBackground( const wxBrush &brush )
 {
 void wxSVGFileDCImpl::SetBackground( const wxBrush &brush )
 {

-

     m_backgroundBrush = brush;
     m_backgroundBrush = brush;

-    return;

 }
 
 
 void wxSVGFileDCImpl::SetBackgroundMode( int mode )
 {
     m_backgroundMode = mode;
 }
 
 
 void wxSVGFileDCImpl::SetBackgroundMode( int mode )
 {
     m_backgroundMode = mode;

-    return;

 }
 
 
 void wxSVGFileDCImpl::SetBrush(const wxBrush& brush)
 }
 
 
 void wxSVGFileDCImpl::SetBrush(const wxBrush& brush)

-

 {
 {

-    m_brush = brush ;
+    m_brush = brush;

 
 

-    m_graphics_changed = TRUE ;
-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::SetBrush Call executed")) ;
+    m_graphics_changed = true;

 }
 
 
 }
 
 


@@ -523,123 +582,110 @@ void wxSVGFileDCImpl::SetPen(const wxPen& pen)
 {
     // width, color, ends, joins : currently implemented
     // dashes, stipple :  not implemented
 {
     // width, color, ends, joins : currently implemented
     // dashes, stipple :  not implemented

-    m_pen = pen ;
+    m_pen = pen;

 
 

-    m_graphics_changed = TRUE ;
-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::SetPen Call executed")) ;
+    m_graphics_changed = true;

 }
 
 }
 

-void wxSVGFileDCImpl::NewGraphics ()
+void wxSVGFileDCImpl::NewGraphicsIfNeeded()

 {
 {

+    if ( !m_graphics_changed )
+        return;
+
+    m_graphics_changed = false;
+
+    write(wxS("</g>\n"));

 
 

-    int w = m_pen.GetWidth ();
-    wxColour c = m_pen.GetColour () ;
+    DoStartNewGraphics();
+}

 
 

-    wxString s, sBrush, sPenCap, sPenJoin, sPenStyle, sLast, sWarn;
+void wxSVGFileDCImpl::DoStartNewGraphics()
+{
+    wxString s, sBrush, sPenCap, sPenJoin, sPenStyle, sLast;

 
 

-    sBrush = wxT("</g>\n<g style=\"") + wxBrushString ( m_brush.GetColour (), m_brush.GetStyle () )
-             + wxT("  stroke:#") + wxColStr (c) + wxT("; ") ;
+    sBrush = wxS("<g style=\"") + wxBrushString ( m_brush.GetColour(), m_brush.GetStyle() )
+            + wxPenString(m_pen.GetColour(), m_pen.GetStyle());

 
 

-    switch ( m_pen.GetCap () )
+    switch ( m_pen.GetCap() )

     {
         case  wxCAP_PROJECTING :
     {
         case  wxCAP_PROJECTING :

-            sPenCap = wxT("stroke-linecap:square; ") ;
-            break ;
+            sPenCap = wxT("stroke-linecap:square; ");
+            break;

         case  wxCAP_BUTT :
         case  wxCAP_BUTT :

-            sPenCap = wxT("stroke-linecap:butt; ") ;
-            break ;
+            sPenCap = wxT("stroke-linecap:butt; ");
+            break;

         case    wxCAP_ROUND :
         default :
         case    wxCAP_ROUND :
         default :

-            sPenCap = wxT("stroke-linecap:round; ") ;
-    };
-    switch ( m_pen.GetJoin () )
+            sPenCap = wxT("stroke-linecap:round; ");
+    }
+
+    switch ( m_pen.GetJoin() )

     {
         case  wxJOIN_BEVEL :
     {
         case  wxJOIN_BEVEL :

-            sPenJoin = wxT("stroke-linejoin:bevel; ") ;
-            break ;
+            sPenJoin = wxT("stroke-linejoin:bevel; ");
+            break;

         case  wxJOIN_MITER :
         case  wxJOIN_MITER :

-            sPenJoin = wxT("stroke-linejoin:miter; ") ;
-            break ;
+            sPenJoin = wxT("stroke-linejoin:miter; ");
+            break;

         case    wxJOIN_ROUND :
         default :
         case    wxJOIN_ROUND :
         default :

-            sPenJoin = wxT("stroke-linejoin:round; ") ;
-    };
-
-    switch ( m_pen.GetStyle () )
-    {
-        case  wxPENSTYLE_SOLID :
-            sPenStyle = wxT("stroke-opacity:1.0; stroke-opacity:1.0; ") ;
-            break ;
-        case  wxPENSTYLE_TRANSPARENT :
-            sPenStyle = wxT("stroke-opacity:0.0; stroke-opacity:0.0; ") ;
-            break ;
-        default :
-            wxASSERT_MSG(FALSE, wxT("wxSVGFileDC::SetPen Call called to set a Style which is not available")) ;
-            sWarn = sWarn + wxT("<!--- wxSVGFileDC::SetPen Call called to set a Style which is not available --> \n") ;
+            sPenJoin = wxT("stroke-linejoin:round; ");

     }
 
     }
 

-    sLast.Printf( wxT("stroke-width:%d\" \n   transform=\"translate(%.2g %.2g) scale(%.2g %.2g)\">"),
-                  w, double(m_logicalOriginX), double(m_logicalOriginY), m_scaleX, m_scaleY  );
+    sLast.Printf( wxT("stroke-width:%d\" \n   transform=\"translate(%s %s) scale(%s %s)\">"),
+                m_pen.GetWidth(), NumStr(m_logicalOriginX), NumStr(m_logicalOriginY), NumStr(m_scaleX), NumStr(m_scaleY)  );

 
 

-    s = sBrush + sPenCap + sPenJoin + sPenStyle + sLast + newline + sWarn;
+    s = sBrush + sPenCap + sPenJoin + sPenStyle + sLast + wxT("\n");

     write(s);
     write(s);

-    m_graphics_changed = FALSE ;
-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::NewGraphics Call executed")) ;

 }
 
 
 void wxSVGFileDCImpl::SetFont(const wxFont& font)
 
 {
 }
 
 
 void wxSVGFileDCImpl::SetFont(const wxFont& font)
 
 {

-    m_font = font ;
-
-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::SetFont Call executed")) ;
+    m_font = font;

 }
 
 }
 

-

 // export a bitmap as a raster image in png
 bool wxSVGFileDCImpl::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
 // export a bitmap as a raster image in png
 bool wxSVGFileDCImpl::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,

-                         wxDC* source, wxCoord xsrc, wxCoord ysrc,
-                         int logicalFunc /*= wxCOPY*/, bool useMask /*= FALSE*/,
-                         wxCoord /*xsrcMask = -1*/, wxCoord /*ysrcMask = -1*/)
+                        wxDC* source, wxCoord xsrc, wxCoord ysrc,
+                        wxRasterOperationMode logicalFunc /*= wxCOPY*/, bool useMask /*= false*/,
+                        wxCoord /*xsrcMask = -1*/, wxCoord /*ysrcMask = -1*/)

 {
     if (logicalFunc != wxCOPY)
     {
 {
     if (logicalFunc != wxCOPY)
     {

-        wxASSERT_MSG(FALSE, wxT("wxSVGFileDC::DoBlit Call requested nonCopy mode; this is not possible")) ;
-        return FALSE ;
+        wxASSERT_MSG(false, wxT("wxSVGFileDC::DoBlit Call requested nonCopy mode; this is not possible"));
+        return false;

     }
     }

-    if (useMask != FALSE)
+    if (useMask != false)

     {
     {

-        wxASSERT_MSG(FALSE, wxT("wxSVGFileDC::DoBlit Call requested False mask ; this is not possible")) ;
-        return FALSE ;
+        wxASSERT_MSG(false, wxT("wxSVGFileDC::DoBlit Call requested false mask; this is not possible"));
+        return false;

     }
     }

-    wxBitmap myBitmap (width, height) ;
+    wxBitmap myBitmap (width, height);

     wxMemoryDC memDC;
     memDC.SelectObject( myBitmap );
     memDC.Blit(0, 0, width, height, source, xsrc, ysrc);
     memDC.SelectObject( wxNullBitmap );
     DoDrawBitmap(myBitmap, xdest, ydest);
     wxMemoryDC memDC;
     memDC.SelectObject( myBitmap );
     memDC.Blit(0, 0, width, height, source, xsrc, ysrc);
     memDC.SelectObject( wxNullBitmap );
     DoDrawBitmap(myBitmap, xdest, ydest);

-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::DoBlit Call executed")) ;
-    return FALSE ;
+    return false;

 }
 
 void wxSVGFileDCImpl::DoDrawIcon(const class wxIcon & myIcon, wxCoord x, wxCoord y)
 {
 }
 
 void wxSVGFileDCImpl::DoDrawIcon(const class wxIcon & myIcon, wxCoord x, wxCoord y)
 {

-    wxBitmap myBitmap (myIcon.GetWidth(), myIcon.GetHeight() ) ;
+    wxBitmap myBitmap (myIcon.GetWidth(), myIcon.GetHeight() );

     wxMemoryDC memDC;
     memDC.SelectObject( myBitmap );
     memDC.DrawIcon(myIcon,0,0);
     memDC.SelectObject( wxNullBitmap );
     DoDrawBitmap(myBitmap, x, y);
     wxMemoryDC memDC;
     memDC.SelectObject( myBitmap );
     memDC.DrawIcon(myIcon,0,0);
     memDC.SelectObject( wxNullBitmap );
     DoDrawBitmap(myBitmap, x, y);

-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::DoDrawIcon Call executed")) ;
-    return ;

 }
 
 void wxSVGFileDCImpl::DoDrawBitmap(const class wxBitmap & bmp, wxCoord x, wxCoord y , bool  WXUNUSED(bTransparent) /*=0*/ )
 {
 }
 
 void wxSVGFileDCImpl::DoDrawBitmap(const class wxBitmap & bmp, wxCoord x, wxCoord y , bool  WXUNUSED(bTransparent) /*=0*/ )
 {

-    if (m_graphics_changed) NewGraphics ();
+    NewGraphicsIfNeeded();

 
 

-    wxString sTmp, s, sPNG ;
+    wxString sTmp, s, sPNG;

     if ( wxImage::FindHandler(wxBITMAP_TYPE_PNG) == NULL )
         wxImage::AddHandler(new wxPNGHandler);
 
     if ( wxImage::FindHandler(wxBITMAP_TYPE_PNG) == NULL )
         wxImage::AddHandler(new wxPNGHandler);
 


@@ -648,13 +694,13 @@ void wxSVGFileDCImpl::DoDrawBitmap(const class wxBitmap & bmp, wxCoord x, wxCoor
     sPNG = m_filename.BeforeLast(wxT('.')) + sTmp;
     while (wxFile::Exists(sPNG) )
     {
     sPNG = m_filename.BeforeLast(wxT('.')) + sTmp;
     while (wxFile::Exists(sPNG) )
     {

-        m_sub_images ++ ;
+        m_sub_images ++;

         sTmp.Printf ( wxT("_image%d.png"), m_sub_images);
         sPNG = m_filename.BeforeLast(wxT('.')) + sTmp;
     }
 
 //create copy of bitmap (wxGTK doesn't like saving a constant bitmap)
         sTmp.Printf ( wxT("_image%d.png"), m_sub_images);
         sPNG = m_filename.BeforeLast(wxT('.')) + sTmp;
     }
 
 //create copy of bitmap (wxGTK doesn't like saving a constant bitmap)

-    wxBitmap myBitmap = bmp ;
+    wxBitmap myBitmap = bmp;

 //save it
     bool bPNG_OK = myBitmap.SaveFile(sPNG,wxBITMAP_TYPE_PNG);
 
 //save it
     bool bPNG_OK = myBitmap.SaveFile(sPNG,wxBITMAP_TYPE_PNG);
 


@@ -662,29 +708,26 @@ void wxSVGFileDCImpl::DoDrawBitmap(const class wxBitmap & bmp, wxCoord x, wxCoor
 // only use filename & ext
     sPNG = sPNG.AfterLast(wxFileName::GetPathSeparator());
 
 // only use filename & ext
     sPNG = sPNG.AfterLast(wxFileName::GetPathSeparator());
 

-// refrence the bitmap from the SVG doc
+// reference the bitmap from the SVG doc

     int w = myBitmap.GetWidth();
     int h = myBitmap.GetHeight();
     sTmp.Printf ( wxT(" <image x=\"%d\" y=\"%d\" width=\"%dpx\" height=\"%dpx\" "), x,y,w,h );
     int w = myBitmap.GetWidth();
     int h = myBitmap.GetHeight();
     sTmp.Printf ( wxT(" <image x=\"%d\" y=\"%d\" width=\"%dpx\" height=\"%dpx\" "), x,y,w,h );

-    s = s + sTmp ;
+    s += sTmp;

     sTmp.Printf ( wxT(" xlink:href=\"%s\"> \n"), sPNG.c_str() );
     sTmp.Printf ( wxT(" xlink:href=\"%s\"> \n"), sPNG.c_str() );

-    s = s + sTmp + wxT("<title>Image from wxSVG</title>  </image>") + newline;
+    s += sTmp + wxT("<title>Image from wxSVG</title>  </image>") + wxT("\n");

 
     if (m_OK && bPNG_OK)
     {
         write(s);
     }
 
     if (m_OK && bPNG_OK)
     {
         write(s);
     }

-    m_OK = m_outfile->Ok () && bPNG_OK;
-    wxASSERT_MSG(!wxSVG_DEBUG, wxT("wxSVGFileDC::DoDrawBitmap Call executed")) ;
-
-    return  ;
+    m_OK = m_outfile->IsOk() && bPNG_OK;

 }
 
 void wxSVGFileDCImpl::write(const wxString &s)
 {
     const wxCharBuffer buf = s.utf8_str();
     m_outfile->Write(buf, strlen((const char *)buf));
 }
 
 void wxSVGFileDCImpl::write(const wxString &s)
 {
     const wxCharBuffer buf = s.utf8_str();
     m_outfile->Write(buf, strlen((const char *)buf));

-    m_OK = m_outfile->Ok();
+    m_OK = m_outfile->IsOk();

 }
 
 
 }