made wxFFile a bit more safe: don't crash when Tell() and Length() are called on...

[wxWidgets.git] / src / generic / dcpsg.cpp

diff --git a/src/generic/dcpsg.cpp b/src/generic/dcpsg.cpp
index e68207dc2e2c5eefdf268587eb054113678efb14..e3025e3f243cbfe6072412200401f1ad96f16310 100644 (file)
--- a/src/generic/dcpsg.cpp
+++ b/src/generic/dcpsg.cpp
@@ -386,7 +386,9 @@ void wxPostScriptDC::DestroyClippingRegion()
 
 void wxPostScriptDC::Clear()
 {
 
 void wxPostScriptDC::Clear()
 {

-    wxFAIL_MSG( wxT("wxPostScriptDC::Clear not implemented.") );
+    // This should fail silently to avoid unnecessary
+    // asserts
+    //    wxFAIL_MSG( wxT("wxPostScriptDC::Clear not implemented.") );

 }
 
 bool wxPostScriptDC::DoFloodFill (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour &WXUNUSED(col), int WXUNUSED(style))
 }
 
 bool wxPostScriptDC::DoFloodFill (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour &WXUNUSED(col), int WXUNUSED(style))


@@ -562,7 +564,7 @@ void wxPostScriptDC::DoDrawPoint (wxCoord x, wxCoord y)
     CalcBoundingBox( x, y );
 }
 
     CalcBoundingBox( x, y );
 }
 

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

 {
     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 
 {
     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 


@@ -595,7 +597,7 @@ void wxPostScriptDC::DoDrawPolygon (int n, wxPoint points[], wxCoord xoffset, wx
         }
 
         if ( m_pstream )
         }
 
         if ( m_pstream )

-            fprintf( m_pstream, "fill\n" );
+            fprintf( m_pstream, (fillStyle == wxODDEVEN_RULE ? "eofill\n" : "fill\n"));

     }
 
     if (m_pen.GetStyle () != wxTRANSPARENT)
     }
 
     if (m_pen.GetStyle () != wxTRANSPARENT)


@@ -632,6 +634,72 @@ void wxPostScriptDC::DoDrawPolygon (int n, wxPoint points[], wxCoord xoffset, wx
     }
 }
 
     }
 }
 

+void wxPostScriptDC::DoDrawPolyPolygon (int n, int start[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
+{
+    wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
+
+    if (n <= 0) return;
+
+    if (m_brush.GetStyle () != wxTRANSPARENT)
+    {
+        SetBrush( m_brush );
+
+        fprintf( m_pstream, "newpath\n" );
+
+        int ofs = 0;
+        for (int i = 0; i < n; ofs += start[i++])
+        {
+            wxCoord xx = LogicalToDeviceX(points[ofs].x + xoffset);
+            wxCoord yy = LogicalToDeviceY(points[ofs].y + yoffset);
+
+            fprintf( m_pstream, "%d %d moveto\n", xx, yy );
+
+            CalcBoundingBox( points[ofs].x + xoffset, points[ofs].y + yoffset );
+
+            for (int j = 1; j < start[i]; j++)
+            {
+                xx = LogicalToDeviceX(points[ofs+j].x + xoffset);
+                yy = LogicalToDeviceY(points[ofs+j].y + yoffset);
+
+                fprintf( m_pstream, "%d %d lineto\n", xx, yy );
+
+                CalcBoundingBox( points[ofs+j].x + xoffset, points[ofs+j].y + yoffset);
+            }
+        }
+        fprintf( m_pstream, (fillStyle == wxODDEVEN_RULE ? "eofill\n" : "fill\n"));
+    }
+
+    if (m_pen.GetStyle () != wxTRANSPARENT)
+    {
+        SetPen( m_pen );
+
+        fprintf( m_pstream, "newpath\n" );
+
+        int ofs = 0;
+        for (int i = 0; i < n; ofs += start[i++])
+        {
+            wxCoord xx = LogicalToDeviceX(points[ofs].x + xoffset);
+            wxCoord yy = LogicalToDeviceY(points[ofs].y + yoffset);
+
+            fprintf( m_pstream, "%d %d moveto\n", xx, yy );
+
+            CalcBoundingBox( points[ofs].x + xoffset, points[ofs].y + yoffset );
+
+            for (int j = 1; j < start[i]; j++)
+            {
+                xx = LogicalToDeviceX(points[ofs+j].x + xoffset);
+                yy = LogicalToDeviceY(points[ofs+j].y + yoffset);
+
+                fprintf( m_pstream, "%d %d lineto\n", xx, yy );
+
+                CalcBoundingBox( points[ofs+j].x + xoffset, points[ofs+j].y + yoffset);
+            }
+        }
+        fprintf( m_pstream, "closepath\n" );
+        fprintf( m_pstream, "stroke\n" );
+    }
+}
+

 void wxPostScriptDC::DoDrawLines (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
 {
     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
 void wxPostScriptDC::DoDrawLines (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
 {
     wxCHECK_RET( m_ok, wxT("invalid postscript dc") );


@@ -723,11 +791,7 @@ void wxPostScriptDC::DoDrawRoundedRectangle (wxCoord x, wxCoord y, wxCoord width
     {
         // Now, a negative radius is interpreted to mean
         // 'the proportion of the smallest X or Y dimension'
     {
         // Now, a negative radius is interpreted to mean
         // 'the proportion of the smallest X or Y dimension'

-        double smallest = 0.0;
-        if (width < height)
-            smallest = width;
-        else
-            smallest = height;
+        double smallest = width < height ? width : height;

         radius =  (-radius * smallest);
     }
 
         radius =  (-radius * smallest);
     }
 


@@ -960,8 +1024,6 @@ void wxPostScriptDC::SetFont( const wxFont& font )
         case wxSCRIPT:
         {
             name = "/ZapfChancery-MediumItalic";
         case wxSCRIPT:
         {
             name = "/ZapfChancery-MediumItalic";

-            Style  = wxNORMAL;
-            Weight = wxNORMAL;

             break;
         }
         case wxSWISS:
             break;
         }
         case wxSWISS:


@@ -1044,7 +1106,8 @@ void wxPostScriptDC::SetPen( const wxPen& pen )
     static const char *wxCoord_dashed = "[4 8] 2";
     static const char *dotted_dashed = "[6 6 2 6] 4";
 
     static const char *wxCoord_dashed = "[4 8] 2";
     static const char *dotted_dashed = "[6 6 2 6] 4";
 

-    const char *psdash = (char *) NULL;
+    const char *psdash;
+

     switch (m_pen.GetStyle())
     {
         case wxDOT:           psdash = dotted;         break;
     switch (m_pen.GetStyle())
     {
         case wxDOT:           psdash = dotted;         break;


@@ -1649,7 +1712,8 @@ void wxPostScriptDC::DoDrawSpline( wxList *points )
     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
 
     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
 

-       while ((node = node->GetNext()))
+  node = node->GetNext();
+       while (node)

     {
         q = (wxPoint *)node->GetData();
 
     {
         q = (wxPoint *)node->GetData();
 


@@ -1671,6 +1735,8 @@ void wxPostScriptDC::DoDrawSpline( wxList *points )
 
         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
 
         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );

+
+        node = node->GetNext();

     }
 
     /*
     }
 
     /*


@@ -2192,7 +2258,7 @@ void wxPostScriptDC::DoGetTextExtent(const wxString& string,
         lastStyle =  Style;
         lastWeight = Weight;
 
         lastStyle =  Style;
         lastWeight = Weight;
 

-        const wxChar *name = NULL;
+        const wxChar *name;

 
         switch (Family)
         {
 
         switch (Family)
         {


@@ -2216,8 +2282,7 @@ void wxPostScriptDC::DoGetTextExtent(const wxString& string,
             case wxSCRIPT:
             {
                 name = wxT("Zapf.afm");
             case wxSCRIPT:
             {
                 name = wxT("Zapf.afm");

-                Style = wxNORMAL;
-                Weight = wxNORMAL;
+                break;

             }
             case wxSWISS:
             default:
             }
             case wxSWISS:
             default: