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[wxWidgets.git] / src / gtk1 / dcclient.cpp

diff --git a/src/gtk1/dcclient.cpp b/src/gtk1/dcclient.cpp
index dbf2d639a1b46af5e1b1a6d0f947673e90411d14..84d0cebf07aecfdb9e36265829d18f9ff460f9f2 100644 (file)
--- a/src/gtk1/dcclient.cpp
+++ b/src/gtk1/dcclient.cpp
@@ -3,7 +3,7 @@
 // Purpose:
 // Author:      Robert Roebling
 // Created:     01/02/97
 // Purpose:
 // Author:      Robert Roebling
 // Created:     01/02/97

-// Id:
+// RCS-ID:      $Id$

 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
 // Licence:    wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
 // Licence:    wxWindows licence
 /////////////////////////////////////////////////////////////////////////////


@@ -13,6 +13,7 @@
 #endif
 
 #include "wx/dcclient.h"
 #endif
 
 #include "wx/dcclient.h"

+#include "wx/dcmemory.h"

 
 //-----------------------------------------------------------------------------
 // local data
 
 //-----------------------------------------------------------------------------
 // local data


@@ -27,7 +28,7 @@
 #define  num_hatches 6
 
 static GdkPixmap  *hatches[num_hatches];
 #define  num_hatches 6
 
 static GdkPixmap  *hatches[num_hatches];

-static GdkPixmap **hatch_bitmap = NULL;
+static GdkPixmap **hatch_bitmap = (GdkPixmap **) NULL;

 
 //-----------------------------------------------------------------------------
 // constants
 
 //-----------------------------------------------------------------------------
 // constants


@@ -35,6 +36,49 @@ static GdkPixmap **hatch_bitmap = NULL;
 
 #define RAD2DEG 57.2957795131
 
 
 #define RAD2DEG 57.2957795131
 

+//-----------------------------------------------------------------------------
+// temporary implementation of the missing GDK function
+//-----------------------------------------------------------------------------
+#include "gdk/gdkprivate.h"
+void gdk_draw_bitmap    (GdkDrawable  *drawable,
+                         GdkGC        *gc,
+                         GdkDrawable  *src,
+                         gint          xsrc,
+                         gint          ysrc,
+                         gint          xdest,
+                         gint          ydest,
+                         gint          width,
+                         gint          height)
+{
+  GdkWindowPrivate *drawable_private;
+  GdkWindowPrivate *src_private;
+  GdkGCPrivate *gc_private;
+
+  g_return_if_fail (drawable != NULL);
+  g_return_if_fail (src != NULL);
+  g_return_if_fail (gc != NULL);
+
+  drawable_private = (GdkWindowPrivate*) drawable;
+  src_private = (GdkWindowPrivate*) src;
+  if (drawable_private->destroyed || src_private->destroyed)
+    return;
+  gc_private = (GdkGCPrivate*) gc;
+
+  if (width == -1)
+    width = src_private->width;
+  if (height == -1)
+    height = src_private->height;
+
+  XCopyPlane (drawable_private->xdisplay,
+            src_private->xwindow,
+            drawable_private->xwindow,
+            gc_private->xgc,
+            xsrc, ysrc,
+            width, height,
+            xdest, ydest,
+            1);
+}
+

 //-----------------------------------------------------------------------------
 // wxPaintDC
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // wxPaintDC
 //-----------------------------------------------------------------------------


@@ -43,10 +87,21 @@ IMPLEMENT_DYNAMIC_CLASS(wxPaintDC,wxDC)
 
 wxPaintDC::wxPaintDC(void)
 {
 
 wxPaintDC::wxPaintDC(void)
 {

-};
+  m_penGC = (GdkGC *) NULL;
+  m_brushGC = (GdkGC *) NULL;
+  m_textGC = (GdkGC *) NULL;
+  m_bgGC = (GdkGC *) NULL;
+  m_cmap = (GdkColormap *) NULL;
+}

 
 wxPaintDC::wxPaintDC( wxWindow *window )
 {
 
 wxPaintDC::wxPaintDC( wxWindow *window )
 {

+  m_penGC = (GdkGC *) NULL;
+  m_brushGC = (GdkGC *) NULL;
+  m_textGC = (GdkGC *) NULL;
+  m_bgGC = (GdkGC *) NULL;
+  m_cmap = (GdkColormap *) NULL;
+  

   if (!window) return;
   GtkWidget *widget = window->m_wxwindow;
   if (!widget) return;
   if (!window) return;
   GtkWidget *widget = window->m_wxwindow;
   if (!widget) return;


@@ -56,43 +111,51 @@ wxPaintDC::wxPaintDC( wxWindow *window )
     m_cmap = gtk_widget_get_colormap( window->m_wxwindow );
   else
     m_cmap = gtk_widget_get_colormap( window->m_widget );
     m_cmap = gtk_widget_get_colormap( window->m_wxwindow );
   else
     m_cmap = gtk_widget_get_colormap( window->m_widget );

+    
+  m_isDrawable = TRUE;
+        

   SetUpDC();
   SetUpDC();

-  
-  long x = 0;
-  long y = 0;
-  window->GetDrawingOffset( &x, &y );
-  SetInternalDeviceOrigin( -x, -y );
-};
+}

 
 wxPaintDC::~wxPaintDC(void)
 {
 
 wxPaintDC::~wxPaintDC(void)
 {

-};
+}

 
 void wxPaintDC::FloodFill( long WXUNUSED(x1), long WXUNUSED(y1), 
   wxColour *WXUNUSED(col), int WXUNUSED(style) )
 {
 
 void wxPaintDC::FloodFill( long WXUNUSED(x1), long WXUNUSED(y1), 
   wxColour *WXUNUSED(col), int WXUNUSED(style) )
 {

-};
+  wxFAIL_MSG( "wxPaintDC::FloodFill not implemented" );
+}

 
 bool wxPaintDC::GetPixel( long WXUNUSED(x1), long WXUNUSED(y1), wxColour *WXUNUSED(col) ) const
 {
 
 bool wxPaintDC::GetPixel( long WXUNUSED(x1), long WXUNUSED(y1), wxColour *WXUNUSED(col) ) const
 {

+  wxFAIL_MSG( "wxPaintDC::GetPixel not implemented" );

   return FALSE;
   return FALSE;

-};
+}

 
 void wxPaintDC::DrawLine( long x1, long y1, long x2, long y2 )
 {
   if (!Ok()) return;
   
 
 void wxPaintDC::DrawLine( long x1, long y1, long x2, long y2 )
 {
   if (!Ok()) return;
   

+  // FIXME: is this right? Causes a segfault on my system and doesn't
+  // seem right: wxPaintDC does not inherit from wxMemoryDC
+  //   if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+  

   if (m_pen.GetStyle() != wxTRANSPARENT)
   {
     gdk_draw_line( m_window, m_penGC, 
       XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
   if (m_pen.GetStyle() != wxTRANSPARENT)
   {
     gdk_draw_line( m_window, m_penGC, 
       XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );

-  };
-};
+  }
+}

 
 void wxPaintDC::CrossHair( long x, long y )
 {
   if (!Ok()) return;
   
 
 void wxPaintDC::CrossHair( long x, long y )
 {
   if (!Ok()) return;
   

+  // FIXME: is this right? Causes a segfault on my system and doesn't
+  // seem right: wxPaintDC does not inherit from wxMemoryDC
+  // if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+  

   if (m_pen.GetStyle() != wxTRANSPARENT)
   {
     int w = 0;
   if (m_pen.GetStyle() != wxTRANSPARENT)
   {
     int w = 0;


@@ -104,13 +167,15 @@ void wxPaintDC::CrossHair( long x, long y )
       0, yy, XLOG2DEVREL(w), yy );
     gdk_draw_line( m_window, m_penGC,
       xx, 0, xx, YLOG2DEVREL(h) );
       0, yy, XLOG2DEVREL(w), yy );
     gdk_draw_line( m_window, m_penGC,
       xx, 0, xx, YLOG2DEVREL(h) );

-  };
-};
+  }
+}

 
 void wxPaintDC::DrawArc( long x1, long y1, long x2, long y2, double xc, double yc )
 {
   if (!Ok()) return;
   
 
 void wxPaintDC::DrawArc( long x1, long y1, long x2, long y2, double xc, double yc )
 {
   if (!Ok()) return;
   

+  if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+  

   long xx1 = XLOG2DEV(x1); 
   long yy1 = YLOG2DEV(y1);
   long xx2 = XLOG2DEV(x2); 
   long xx1 = XLOG2DEV(x1); 
   long yy1 = YLOG2DEV(y1);
   long xx2 = XLOG2DEV(x2); 


@@ -141,7 +206,7 @@ void wxPaintDC::DrawArc( long x1, long y1, long x2, long y2, double xc, double y
     radius2 = (xx2 - xxc == 0) ?
            (yy2 - yyc < 0) ? 90.0 : -90.0 :
            -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
     radius2 = (xx2 - xxc == 0) ?
            (yy2 - yyc < 0) ? 90.0 : -90.0 :
            -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;

-  };
+  }

   long alpha1 = long(radius1 * 64.0);
   long alpha2 = long((radius2 - radius1) * 64.0);
   while (alpha2 <= 0) alpha2 += 360*64;
   long alpha1 = long(radius1 * 64.0);
   long alpha2 = long((radius2 - radius1) * 64.0);
   while (alpha2 <= 0) alpha2 += 360*64;


@@ -153,39 +218,48 @@ void wxPaintDC::DrawArc( long x1, long y1, long x2, long y2, double xc, double y
   if (m_pen.GetStyle() != wxTRANSPARENT)
     gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
   
   if (m_pen.GetStyle() != wxTRANSPARENT)
     gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
   

-};
+}

 
 void wxPaintDC::DrawEllipticArc( long x, long y, long width, long height, double sa, double ea )
 {
   if (!Ok()) return;
   
 
 void wxPaintDC::DrawEllipticArc( long x, long y, long width, long height, double sa, double ea )
 {
   if (!Ok()) return;
   

-  if (width<0) { width=-width; x=x-width; }
-  if (height<0) { height=-height; y=y-height; }
-
+  if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+  

   long xx = XLOG2DEV(x);    
   long yy = YLOG2DEV(y);
   long xx = XLOG2DEV(x);    
   long yy = YLOG2DEV(y);

-  long ww = XLOG2DEVREL(width); 
-  long hh = YLOG2DEVREL(height);
+  long ww = m_signX * XLOG2DEVREL(width); 
+  long hh = m_signY * YLOG2DEVREL(height);

   
   

+  // CMB: handle -ve width and/or height
+  if (ww < 0) { ww = -ww; xx = xx - ww; }
+  if (hh < 0) { hh = -hh; yy = yy - hh; }
+  
+  long start = long(sa * 64.0);
+  long end = long(ea * 64.0);

   if (m_brush.GetStyle() != wxTRANSPARENT)
   if (m_brush.GetStyle() != wxTRANSPARENT)

-    gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww-1, hh-1, 0, long(sa*64) );
+    gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );

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

-    gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, long(ea*64) );
-};
+    gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, start, end );
+}

 
 void wxPaintDC::DrawPoint( long x, long y )
 {
   if (!Ok()) return;
   
 
 void wxPaintDC::DrawPoint( long x, long y )
 {
   if (!Ok()) return;
   

+  if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+  

   if (m_pen.GetStyle() != wxTRANSPARENT)
     gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
   if (m_pen.GetStyle() != wxTRANSPARENT)
     gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );

-};
+}

 
 void wxPaintDC::DrawLines( int n, wxPoint points[], long xoffset, long yoffset )
 {
   if (!Ok()) return;
   
 
 void wxPaintDC::DrawLines( int n, wxPoint points[], long xoffset, long yoffset )
 {
   if (!Ok()) return;
   

+  if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+  

   if (m_pen.GetStyle() == wxTRANSPARENT) return;
   
   for (int i = 0; i < n-1; i++)
   if (m_pen.GetStyle() == wxTRANSPARENT) return;
   
   for (int i = 0; i < n-1; i++)


@@ -194,14 +268,16 @@ void wxPaintDC::DrawLines( int n, wxPoint points[], long xoffset, long yoffset )
     long x2 = XLOG2DEV(points[i+1].x + xoffset);
     long y1 = YLOG2DEV(points[i].y + yoffset);     // oh, what a waste
     long y2 = YLOG2DEV(points[i+1].y + yoffset);
     long x2 = XLOG2DEV(points[i+1].x + xoffset);
     long y1 = YLOG2DEV(points[i].y + yoffset);     // oh, what a waste
     long y2 = YLOG2DEV(points[i+1].y + yoffset);

-    gdk_draw_line( m_window, m_brushGC, x1, y1, x2, y2 );
-  };
-};
+    gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );
+  }
+}

 
 void wxPaintDC::DrawLines( wxList *points, long xoffset, long yoffset )
 {
   if (!Ok()) return;
   
 
 void wxPaintDC::DrawLines( wxList *points, long xoffset, long yoffset )
 {
   if (!Ok()) return;
   

+  if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+  

   if (m_pen.GetStyle() == wxTRANSPARENT) return;
   
   wxNode *node = points->First();
   if (m_pen.GetStyle() == wxTRANSPARENT) return;
   
   wxNode *node = points->First();


@@ -213,64 +289,150 @@ void wxPaintDC::DrawLines( wxList *points, long xoffset, long yoffset )
     long x2 = XLOG2DEV(npoint->x + xoffset);
     long y1 = YLOG2DEV(point->y + yoffset);    // and again...
     long y2 = YLOG2DEV(npoint->y + yoffset);
     long x2 = XLOG2DEV(npoint->x + xoffset);
     long y1 = YLOG2DEV(point->y + yoffset);    // and again...
     long y2 = YLOG2DEV(npoint->y + yoffset);

-    gdk_draw_line( m_window, m_brushGC, x1, y1, x2, y2 );
+    gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );

     node = node->Next();
     node = node->Next();

-  };
-};
+  }
+}

 
 

-void wxPaintDC::DrawPolygon( int WXUNUSED(n), wxPoint WXUNUSED(points)[], 
-  long WXUNUSED(xoffset), long WXUNUSED(yoffset), int WXUNUSED(fillStyle) )
+void wxPaintDC::DrawPolygon( int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle) )

 {
   if (!Ok()) return;
 {
   if (!Ok()) return;

-};
+  
+  if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+  
+   if (!n) return;    // Nothing to draw
+   GdkPoint *gdkpoints = new GdkPoint[n+1];
+   int i;
+   for (i = 0 ; i < n ; i++)
+     {
+       gdkpoints[i].x = XLOG2DEV(points[i].x + xoffset);
+       gdkpoints[i].y = YLOG2DEV(points[i].y + yoffset);
+     }
+   if (m_brush.GetStyle() != wxTRANSPARENT)
+     gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n);
+   // To do: Fillstyle
+   if (m_pen.GetStyle() != wxTRANSPARENT)
+     for (i = 0 ; i < n ; i++)
+       gdk_draw_line( m_window, m_penGC, 
+                    gdkpoints[i%n].x,
+                    gdkpoints[i%n].y,
+                    gdkpoints[(i+1)%n].x,
+                    gdkpoints[(i+1)%n].y);
+   delete[] gdkpoints;
+}

 
 

-void wxPaintDC::DrawPolygon( wxList *WXUNUSED(lines), long WXUNUSED(xoffset), 
-                             long WXUNUSED(yoffset), int WXUNUSED(fillStyle) )
+void wxPaintDC::DrawPolygon( wxList *lines, long xoffset, long yoffset, int WXUNUSED(fillStyle))

 {
   if (!Ok()) return;
 {
   if (!Ok()) return;

-};
+  
+  if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+  
+   int n = lines->Number();
+   GdkPoint *gdkpoints = new GdkPoint[n];
+   wxNode *node = lines->First();
+   int cnt=0;
+   while (node)
+     {
+       wxPoint *p = (wxPoint *) node->Data();
+       gdkpoints[cnt].x = XLOG2DEV(p->x + xoffset);
+       gdkpoints[cnt].y = YLOG2DEV(p->y + yoffset);
+       node = node->Next();
+       cnt++;
+     }
+   if (m_brush.GetStyle() != wxTRANSPARENT)
+     gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n);
+   // To do: Fillstyle
+   if (m_pen.GetStyle() != wxTRANSPARENT)
+     {
+       int i;
+       for (i = 0 ; i < n ; i++)
+       gdk_draw_line( m_window, m_penGC, 
+                      gdkpoints[i%n].x,
+                      gdkpoints[i%n].y,
+                      gdkpoints[(i+1)%n].x,
+                      gdkpoints[(i+1)%n].y);
+     }
+   delete[] gdkpoints;
+}

 
 void wxPaintDC::DrawRectangle( long x, long y, long width, long height )
 {
   if (!Ok()) return;
 
 
 void wxPaintDC::DrawRectangle( long x, long y, long width, long height )
 {
   if (!Ok()) return;
 

+  if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+  

   long xx = XLOG2DEV(x);
   long yy = YLOG2DEV(y);
   long xx = XLOG2DEV(x);
   long yy = YLOG2DEV(y);

-  long ww = XLOG2DEVREL(width);
-  long hh = YLOG2DEVREL(height);
+  long ww = m_signX * XLOG2DEVREL(width);
+  long hh = m_signY * YLOG2DEVREL(height);

     
     

+  // CMB: draw nothing if transformed w or h is 0
+  if (ww == 0 || hh == 0) return;
+
+  // CMB: handle -ve width and/or height
+  if (ww < 0) { ww = -ww; xx = xx - ww; }
+  if (hh < 0) { hh = -hh; yy = yy - hh; }
+

   if (m_brush.GetStyle() != wxTRANSPARENT)
     gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
     
   if (m_pen.GetStyle() != wxTRANSPARENT)
     gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 );
   if (m_brush.GetStyle() != wxTRANSPARENT)
     gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
     
   if (m_pen.GetStyle() != wxTRANSPARENT)
     gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 );

-};
+}

 
 void wxPaintDC::DrawRoundedRectangle( long x, long y, long width, long height, double radius )
 {
   if (!Ok()) return;
   
 
 void wxPaintDC::DrawRoundedRectangle( long x, long y, long width, long height, double radius )
 {
   if (!Ok()) return;
   

-  if (width<0) { width=-width; x=x-width; }
-  if (height<0) { height=-height; y=y-height; }
-
+  if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+  

   if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
   
   long xx = XLOG2DEV(x);    
   long yy = YLOG2DEV(y);
   if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
   
   long xx = XLOG2DEV(x);    
   long yy = YLOG2DEV(y);

-  long ww = XLOG2DEVREL(width); 
-  long hh = YLOG2DEVREL(height);
+  long ww = m_signX * XLOG2DEVREL(width); 
+  long hh = m_signY * YLOG2DEVREL(height);

   long rr = XLOG2DEVREL((long)radius);
   long rr = XLOG2DEVREL((long)radius);

+
+  // CMB: handle -ve width and/or height
+  if (ww < 0) { ww = -ww; xx = xx - ww; }
+  if (hh < 0) { hh = -hh; yy = yy - hh; }
+
+  // CMB: if radius is zero use DrawRectangle() instead to avoid
+  // X drawing errors with small radii
+  if (rr == 0)
+  {
+    DrawRectangle( x, y, width, height );
+    return;
+  }
+
+  // CMB: draw nothing if transformed w or h is 0
+  if (ww == 0 || hh == 0) return;
+
+  // CMB: adjust size if outline is drawn otherwise the result is
+  // 1 pixel too wide and high
+  if (m_pen.GetStyle() != wxTRANSPARENT)
+  {
+    ww--;
+    hh--;
+  }
+
+  // CMB: ensure dd is not larger than rectangle otherwise we
+  // get an hour glass shape

   long dd = 2 * rr;
   long dd = 2 * rr;

+  if (dd > ww) dd = ww;
+  if (dd > hh) dd = hh;
+  rr = dd / 2;

 
   if (m_brush.GetStyle() != wxTRANSPARENT)
   {
 
   if (m_brush.GetStyle() != wxTRANSPARENT)
   {

-    gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd, hh );
-    gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd );
+    gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
+    gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );

     gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
     gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
     gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
     gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
     gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
     gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
     gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
     gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );

-  };
+  }

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


@@ -282,32 +444,35 @@ void wxPaintDC::DrawRoundedRectangle( long x, long y, long width, long height, d
     gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
     gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
     gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
     gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
     gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
     gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );

-  };
-};
+  }
+}

 
 void wxPaintDC::DrawEllipse( long x, long y, long width, long height )
 {
   if (!Ok()) return;
   
 
 void wxPaintDC::DrawEllipse( long x, long y, long width, long height )
 {
   if (!Ok()) return;
   

-  if (width<0) { width=-width; x=x-width; }
-  if (height<0) { height=-height; y=y-height; }
-
+  if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+  

   long xx = XLOG2DEV(x);    
   long yy = YLOG2DEV(y);
   long xx = XLOG2DEV(x);    
   long yy = YLOG2DEV(y);

-  long ww = XLOG2DEVREL(width); 
-  long hh = YLOG2DEVREL(height);
+  long ww = m_signX * XLOG2DEVREL(width); 
+  long hh = m_signY * YLOG2DEVREL(height);
+
+  // CMB: handle -ve width and/or height
+  if (ww < 0) { ww = -ww; xx = xx - ww; }
+  if (hh < 0) { hh = -hh; yy = yy - hh; }

   
   if (m_brush.GetStyle() != wxTRANSPARENT)
     gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
   
   if (m_pen.GetStyle() != wxTRANSPARENT)
     gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 );
   
   if (m_brush.GetStyle() != wxTRANSPARENT)
     gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
   
   if (m_pen.GetStyle() != wxTRANSPARENT)
     gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 );

-};
+}

 
 bool wxPaintDC::CanDrawBitmap(void) const
 {
   return TRUE;
 
 bool wxPaintDC::CanDrawBitmap(void) const
 {
   return TRUE;

-};
+}

 
 void wxPaintDC::DrawIcon( const wxIcon &icon, long x, long y, bool useMask )
 {
 
 void wxPaintDC::DrawIcon( const wxIcon &icon, long x, long y, bool useMask )
 {


@@ -315,35 +480,56 @@ void wxPaintDC::DrawIcon( const wxIcon &icon, long x, long y, bool useMask )
   
   if (!icon.Ok()) return;
   
   
   if (!icon.Ok()) return;
   

+  if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+  

   int xx = XLOG2DEV(x);
   int yy = YLOG2DEV(y);
   
   int xx = XLOG2DEV(x);
   int yy = YLOG2DEV(y);
   

-  GdkBitmap *mask = NULL;
+  GdkBitmap *mask = (GdkBitmap *) NULL;

   if (icon.GetMask()) mask = icon.GetMask()->GetBitmap();
     
   if (useMask && mask) 
   {
     gdk_gc_set_clip_mask( m_penGC, mask );
     gdk_gc_set_clip_origin( m_penGC, xx, yy );
   if (icon.GetMask()) mask = icon.GetMask()->GetBitmap();
     
   if (useMask && mask) 
   {
     gdk_gc_set_clip_mask( m_penGC, mask );
     gdk_gc_set_clip_origin( m_penGC, xx, yy );

-  };
+  }

   
   GdkPixmap *pm = icon.GetPixmap();
   gdk_draw_pixmap( m_window, m_penGC, pm, 0, 0, xx, yy, -1, -1 );
   
   if (useMask && mask) 
   {
   
   GdkPixmap *pm = icon.GetPixmap();
   gdk_draw_pixmap( m_window, m_penGC, pm, 0, 0, xx, yy, -1, -1 );
   
   if (useMask && mask) 
   {

-    gdk_gc_set_clip_mask( m_penGC, NULL );
+    gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );

     gdk_gc_set_clip_origin( m_penGC, 0, 0 );
     gdk_gc_set_clip_origin( m_penGC, 0, 0 );

-  };
-};
+  }
+}

 
 bool wxPaintDC::Blit( long xdest, long ydest, long width, long height,
        wxDC *source, long xsrc, long ysrc, int WXUNUSED(logical_func), bool WXUNUSED(useMask) )
 {
   if (!Ok()) return FALSE;
   
 
 bool wxPaintDC::Blit( long xdest, long ydest, long width, long height,
        wxDC *source, long xsrc, long ysrc, int WXUNUSED(logical_func), bool WXUNUSED(useMask) )
 {
   if (!Ok()) return FALSE;
   

-  wxClientDC *csrc = (wxClientDC*)source;
+  if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+  
+  // CMB 20/5/98: add blitting of bitmaps
+  if (source->IsKindOf(CLASSINFO(wxMemoryDC)))
+  {
+    wxMemoryDC* srcDC = (wxMemoryDC*)source;
+    GdkBitmap* bmap = srcDC->m_selected.GetBitmap();
+    if (bmap)
+    {
+      gdk_draw_bitmap( m_window, m_textGC, bmap,
+          source->DeviceToLogicalX(xsrc), 
+         source->DeviceToLogicalY(ysrc),
+          XLOG2DEV(xdest), 
+         YLOG2DEV(ydest),
+          source->DeviceToLogicalXRel(width), 
+         source->DeviceToLogicalYRel(height) );
+      return TRUE;
+    }
+  }

 
 

+  wxClientDC *csrc = (wxClientDC*)source;

   gdk_window_copy_area ( m_window, m_penGC,
     XLOG2DEV(xdest), YLOG2DEV(ydest),
     csrc->GetWindow(),
   gdk_window_copy_area ( m_window, m_penGC,
     XLOG2DEV(xdest), YLOG2DEV(ydest),
     csrc->GetWindow(),


@@ -359,64 +545,104 @@ bool wxPaintDC::Blit( long xdest, long ydest, long width, long height,
 */
     
   return TRUE;
 */
     
   return TRUE;

-};
+}

 
 void wxPaintDC::DrawText( const wxString &text, long x, long y, bool WXUNUSED(use16) )
 {
   if (!Ok()) return;
 
 void wxPaintDC::DrawText( const wxString &text, long x, long y, bool WXUNUSED(use16) )
 {
   if (!Ok()) return;

+
+  if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();

   
   GdkFont *font = m_font.GetInternalFont( m_scaleY );
   
   GdkFont *font = m_font.GetInternalFont( m_scaleY );

-  gdk_draw_string( m_window, font, m_textGC, 
-    XLOG2DEV(x), 
-    YLOG2DEV(y) + font->ascent, text );
-};
+
+  x = XLOG2DEV(x);
+  y = YLOG2DEV(y);
+
+  // CMB 21/5/98: draw text background if mode is wxSOLID
+  if (m_backgroundMode == wxSOLID)
+  {
+    long width = gdk_string_width( font, text );
+    long height = font->ascent + font->descent;
+    gdk_gc_set_foreground( m_textGC, m_textBackgroundColour.GetColor() );
+    gdk_draw_rectangle( m_window, m_textGC, TRUE, x, y, width, height );
+    gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+  }
+  gdk_draw_string( m_window, font, m_textGC, x, y + font->ascent, text );
+
+  // CMB 17/7/98: simple underline: ignores scaling and underlying
+  // X font's XA_UNDERLINE_POSITION and XA_UNDERLINE_THICKNESS
+  // properties (see wxXt implementation)
+  if (m_font.GetUnderlined())
+  {
+    long width = gdk_string_width( font, text );
+    long ul_y = y + font->ascent;
+    if (font->descent > 0) ul_y++;
+    gdk_draw_line( m_window, m_textGC, x, ul_y, x + width, ul_y);
+  }
+}

 
 bool wxPaintDC::CanGetTextExtent(void) const
 {
   return TRUE;
 
 bool wxPaintDC::CanGetTextExtent(void) const
 {
   return TRUE;

-};
+}

 
 void wxPaintDC::GetTextExtent( const wxString &string, long *width, long *height,
 
 void wxPaintDC::GetTextExtent( const wxString &string, long *width, long *height,

-                     long *WXUNUSED(descent), long *WXUNUSED(externalLeading),
-                     wxFont *WXUNUSED(theFont), bool WXUNUSED(use16) )
+                     long *descent, long *externalLeading,
+                     wxFont *theFont, bool WXUNUSED(use16) )

 {
   if (!Ok()) return;
   
 {
   if (!Ok()) return;
   

-  GdkFont *font = m_font.GetInternalFont( m_scaleY );
-  if (width) (*width) = gdk_string_width( font, string );
-  if (height) (*height) = font->ascent + font->descent;
-};
+  wxFont fontToUse = m_font;
+  if (theFont) fontToUse = *theFont;
+  
+  GdkFont *font = fontToUse.GetInternalFont( m_scaleY );
+  if (width) (*width) = long(gdk_string_width( font, string ) / m_scaleX);
+  if (height) (*height) = long((font->ascent + font->descent) / m_scaleY);
+  if (descent) (*descent) = long(font->descent / m_scaleY);
+  if (externalLeading) (*externalLeading) = 0;  // ??
+}

 
 long wxPaintDC::GetCharWidth(void)
 {
   if (!Ok()) return 0;
   
   GdkFont *font = m_font.GetInternalFont( m_scaleY );
 
 long wxPaintDC::GetCharWidth(void)
 {
   if (!Ok()) return 0;
   
   GdkFont *font = m_font.GetInternalFont( m_scaleY );

-  return gdk_string_width( font, "H" );
-};
+  return long(gdk_string_width( font, "H" ) / m_scaleX);
+}

 
 long wxPaintDC::GetCharHeight(void)
 {
   if (!Ok()) return 0;
   
   GdkFont *font = m_font.GetInternalFont( m_scaleY );
 
 long wxPaintDC::GetCharHeight(void)
 {
   if (!Ok()) return 0;
   
   GdkFont *font = m_font.GetInternalFont( m_scaleY );

-  return font->ascent + font->descent;
-};
+  return long((font->ascent + font->descent) / m_scaleY);
+}

 
 void wxPaintDC::Clear(void)
 {
   if (!Ok()) return;
   
 
 void wxPaintDC::Clear(void)
 {
   if (!Ok()) return;
   

-  DestroyClippingRegion();
-  gdk_window_clear( m_window );
-};
+  if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+  
+  if (m_isDrawable)
+  {
+    gdk_window_clear( m_window );
+  }
+  else
+  {
+    int width = 0;
+    int height = 0;
+    GetSize( &width, &height );
+    gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
+  }
+}

 
 void wxPaintDC::SetFont( const wxFont &font )
 {
   if (!Ok()) return;
   
   m_font = font;
 
 void wxPaintDC::SetFont( const wxFont &font )
 {
   if (!Ok()) return;
   
   m_font = font;

-};
+}

 
 void wxPaintDC::SetPen( const wxPen &pen )
 {
 
 void wxPaintDC::SetPen( const wxPen &pen )
 {


@@ -429,38 +655,50 @@ void wxPaintDC::SetPen( const wxPen &pen )
   if (!m_pen.Ok()) return;
   
   gint width = m_pen.GetWidth();
   if (!m_pen.Ok()) return;
   
   gint width = m_pen.GetWidth();

+  // CMB: if width is non-zero scale it with the dc
+  if (width <= 0)
+  {
+    width = 1;
+  }
+  else
+  {
+    // X doesn't allow different width in x and y and so we take
+    // the average
+    double w = 0.5 + (abs(XLOG2DEVREL(width)) + abs(YLOG2DEVREL(width))) / 2.0;
+    width = (int)w;
+  }

   
   GdkLineStyle lineStyle = GDK_LINE_SOLID;
   switch (m_pen.GetStyle())
   {
   
   GdkLineStyle lineStyle = GDK_LINE_SOLID;
   switch (m_pen.GetStyle())
   {

-    case wxSOLID:      { lineStyle = GDK_LINE_SOLID;       break; };
-    case wxDOT:        { lineStyle = GDK_LINE_ON_OFF_DASH; break; };
-    case wxLONG_DASH:  { lineStyle = GDK_LINE_ON_OFF_DASH; break; };
-    case wxSHORT_DASH: { lineStyle = GDK_LINE_ON_OFF_DASH; break; };
-    case wxDOT_DASH:   { lineStyle = GDK_LINE_DOUBLE_DASH; break; };
-  };
+    case wxSOLID:      { lineStyle = GDK_LINE_SOLID;       break; }
+    case wxDOT:        { lineStyle = GDK_LINE_ON_OFF_DASH; break; }
+    case wxLONG_DASH:  { lineStyle = GDK_LINE_ON_OFF_DASH; break; }
+    case wxSHORT_DASH: { lineStyle = GDK_LINE_ON_OFF_DASH; break; }
+    case wxDOT_DASH:   { lineStyle = GDK_LINE_DOUBLE_DASH; break; }
+  }

   
   GdkCapStyle capStyle = GDK_CAP_ROUND;
   switch (m_pen.GetCap())
   {
   
   GdkCapStyle capStyle = GDK_CAP_ROUND;
   switch (m_pen.GetCap())
   {

-    case wxCAP_ROUND:      { capStyle = GDK_CAP_ROUND;      break; };
-    case wxCAP_PROJECTING: { capStyle = GDK_CAP_PROJECTING; break; };
-    case wxCAP_BUTT:       { capStyle = GDK_CAP_BUTT;       break; };
-  };
+    case wxCAP_ROUND:      { capStyle = (width <= 1) ? GDK_CAP_NOT_LAST : GDK_CAP_ROUND; break; }
+    case wxCAP_PROJECTING: { capStyle = GDK_CAP_PROJECTING; break; }
+    case wxCAP_BUTT:       { capStyle = GDK_CAP_BUTT;       break; }
+  }

   
   GdkJoinStyle joinStyle = GDK_JOIN_ROUND;
   switch (m_pen.GetJoin())
   {
   
   GdkJoinStyle joinStyle = GDK_JOIN_ROUND;
   switch (m_pen.GetJoin())
   {

-    case wxJOIN_BEVEL: { joinStyle = GDK_JOIN_BEVEL; break; };
-    case wxJOIN_ROUND: { joinStyle = GDK_JOIN_ROUND; break; };
-    case wxJOIN_MITER: { joinStyle = GDK_JOIN_MITER; break; };
-  };
+    case wxJOIN_BEVEL: { joinStyle = GDK_JOIN_BEVEL; break; }
+    case wxJOIN_ROUND: { joinStyle = GDK_JOIN_ROUND; break; }
+    case wxJOIN_MITER: { joinStyle = GDK_JOIN_MITER; break; }
+  }

   
   gdk_gc_set_line_attributes( m_penGC, width, lineStyle, capStyle, joinStyle );
   
   m_pen.GetColour().CalcPixel( m_cmap );
   gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() );
   
   gdk_gc_set_line_attributes( m_penGC, width, lineStyle, capStyle, joinStyle );
   
   m_pen.GetColour().CalcPixel( m_cmap );
   gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() );

-};
+}

 
 void wxPaintDC::SetBrush( const wxBrush &brush )
 {
 
 void wxPaintDC::SetBrush( const wxBrush &brush )
 {


@@ -483,21 +721,61 @@ void wxPaintDC::SetBrush( const wxBrush &brush )
       break;
     default:
       fillStyle = GDK_STIPPLED;
       break;
     default:
       fillStyle = GDK_STIPPLED;

-  };
+  }

  
   gdk_gc_set_fill( m_brushGC, fillStyle );
   
   if (m_brush.GetStyle() == wxSTIPPLE)
   {
     gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() );
  
   gdk_gc_set_fill( m_brushGC, fillStyle );
   
   if (m_brush.GetStyle() == wxSTIPPLE)
   {
     gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() );

-  };
+  }

   
   if (IS_HATCH(m_brush.GetStyle()))
   {
     int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH;
     gdk_gc_set_stipple( m_brushGC, hatches[num] );
   
   if (IS_HATCH(m_brush.GetStyle()))
   {
     int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH;
     gdk_gc_set_stipple( m_brushGC, hatches[num] );

-  };
-};
+  }
+}
+
+// CMB 21/7/98: Added SetBackground. Sets background brush
+// for Clear() and bg colour for shapes filled with cross-hatch brush
+void wxPaintDC::SetBackground( const wxBrush &brush )
+{
+  if (!Ok()) return;
+  
+  if (m_backgroundBrush == brush) return;
+  
+  m_backgroundBrush = brush;
+  
+  if (!m_backgroundBrush.Ok()) return;
+  
+  m_backgroundBrush.GetColour().CalcPixel( m_cmap );
+  gdk_gc_set_background( m_brushGC, m_backgroundBrush.GetColour().GetColor() );
+  gdk_gc_set_foreground( m_bgGC, m_backgroundBrush.GetColour().GetColor() );
+  
+  GdkFill fillStyle = GDK_SOLID;
+  switch (m_backgroundBrush.GetStyle())
+  {
+    case wxSOLID:
+    case wxTRANSPARENT:
+      break;
+    default:
+      fillStyle = GDK_STIPPLED;
+  }
+ 
+  gdk_gc_set_fill( m_bgGC, fillStyle );
+  
+  if (m_backgroundBrush.GetStyle() == wxSTIPPLE)
+  {
+    gdk_gc_set_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() );
+  }
+  
+  if (IS_HATCH(m_backgroundBrush.GetStyle()))
+  {
+    int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH;
+    gdk_gc_set_stipple( m_bgGC, hatches[num] );
+  }
+}

 
 void wxPaintDC::SetLogicalFunction( int function )
 {
 
 void wxPaintDC::SetLogicalFunction( int function )
 {


@@ -508,11 +786,11 @@ void wxPaintDC::SetLogicalFunction( int function )
     case wxXOR:    mode = GDK_INVERT; break;
     case wxINVERT: mode = GDK_INVERT; break;
     default:       break;
     case wxXOR:    mode = GDK_INVERT; break;
     case wxINVERT: mode = GDK_INVERT; break;
     default:       break;

-  };
+  }

   m_logicalFunction = function;
   gdk_gc_set_function( m_penGC, mode );
   gdk_gc_set_function( m_brushGC, mode );
   m_logicalFunction = function;
   gdk_gc_set_function( m_penGC, mode );
   gdk_gc_set_function( m_brushGC, mode );

-};
+}

 
 void wxPaintDC::SetTextForeground( const wxColour &col )
 {
 
 void wxPaintDC::SetTextForeground( const wxColour &col )
 {


@@ -525,7 +803,7 @@ void wxPaintDC::SetTextForeground( const wxColour &col )
   
   m_textForegroundColour.CalcPixel( m_cmap );
   gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
   
   m_textForegroundColour.CalcPixel( m_cmap );
   gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );

-};
+}

 
 void wxPaintDC::SetTextBackground( const wxColour &col )
 {
 
 void wxPaintDC::SetTextBackground( const wxColour &col )
 {


@@ -538,15 +816,24 @@ void wxPaintDC::SetTextBackground( const wxColour &col )
   
   m_textBackgroundColour.CalcPixel( m_cmap );
   gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
   
   m_textBackgroundColour.CalcPixel( m_cmap );
   gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );

-};
+}

 
 

-void wxPaintDC::SetBackgroundMode( int WXUNUSED(mode) )
+void wxPaintDC::SetBackgroundMode( int mode )

 {
 {

-};
+  m_backgroundMode = mode;
+
+  // CMB 21/7/98: fill style of cross-hatch brushes is affected by
+  // transparent/solid background mode
+  if (m_brush.GetStyle() != wxSOLID && m_brush.GetStyle() != wxTRANSPARENT)
+  {
+    gdk_gc_set_fill( m_brushGC,
+      (m_backgroundMode == wxTRANSPARENT) ? GDK_STIPPLED : GDK_OPAQUE_STIPPLED);
+  }
+}

 
 void wxPaintDC::SetPalette( const wxPalette& WXUNUSED(palette) )
 {
 
 void wxPaintDC::SetPalette( const wxPalette& WXUNUSED(palette) )
 {

-};
+}

 
 void wxPaintDC::SetClippingRegion( long x, long y, long width, long height )
 {
 
 void wxPaintDC::SetClippingRegion( long x, long y, long width, long height )
 {


@@ -555,32 +842,36 @@ void wxPaintDC::SetClippingRegion( long x, long y, long width, long height )
   GdkRectangle rect;
   rect.x = XLOG2DEV(x);
   rect.y = YLOG2DEV(y);
   GdkRectangle rect;
   rect.x = XLOG2DEV(x);
   rect.y = YLOG2DEV(y);

-  rect.width = XLOG2DEV(x+width);
-  rect.height = YLOG2DEV(y+height);
+  rect.width = XLOG2DEVREL(width);
+  rect.height = YLOG2DEVREL(height);

   gdk_gc_set_clip_rectangle( m_penGC, &rect );
   gdk_gc_set_clip_rectangle( m_brushGC, &rect );
   gdk_gc_set_clip_rectangle( m_textGC, &rect );
   gdk_gc_set_clip_rectangle( m_bgGC, &rect );
   
   gdk_gc_set_clip_rectangle( m_penGC, &rect );
   gdk_gc_set_clip_rectangle( m_brushGC, &rect );
   gdk_gc_set_clip_rectangle( m_textGC, &rect );
   gdk_gc_set_clip_rectangle( m_bgGC, &rect );
   

-};
+}

 
 void wxPaintDC::DestroyClippingRegion(void)
 {
   wxDC::DestroyClippingRegion();
   
 
 void wxPaintDC::DestroyClippingRegion(void)
 {
   wxDC::DestroyClippingRegion();
   

-  gdk_gc_set_clip_rectangle( m_penGC, NULL );
-  gdk_gc_set_clip_rectangle( m_brushGC, NULL );
-  gdk_gc_set_clip_rectangle( m_textGC, NULL );
-  gdk_gc_set_clip_rectangle( m_bgGC, NULL );
-};
+  gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL );
+  gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL );
+  gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL );
+  gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL );
+}

 
 void wxPaintDC::SetUpDC(void)
 {
   m_ok = TRUE;
   m_logicalFunction = wxCOPY;
 
 void wxPaintDC::SetUpDC(void)
 {
   m_ok = TRUE;
   m_logicalFunction = wxCOPY;

+  if (m_penGC) gdk_gc_unref( m_penGC );

   m_penGC = gdk_gc_new( m_window );
   m_penGC = gdk_gc_new( m_window );

+  if (m_brushGC) gdk_gc_unref( m_brushGC );

   m_brushGC = gdk_gc_new( m_window );
   m_brushGC = gdk_gc_new( m_window );

+  if (m_textGC) gdk_gc_unref( m_textGC );

   m_textGC = gdk_gc_new( m_window );
   m_textGC = gdk_gc_new( m_window );

+  if (m_bgGC) gdk_gc_unref( m_bgGC );

   m_bgGC = gdk_gc_new( m_window );
   SetTextForeground( m_textForegroundColour );
   SetTextBackground( m_textBackgroundColour );
   m_bgGC = gdk_gc_new( m_window );
   SetTextForeground( m_textForegroundColour );
   SetTextBackground( m_textBackgroundColour );


@@ -593,19 +884,19 @@ void wxPaintDC::SetUpDC(void)
   if (!hatch_bitmap) 
   {
     hatch_bitmap    = hatches;
   if (!hatch_bitmap) 
   {
     hatch_bitmap    = hatches;

-    hatch_bitmap[0] = gdk_bitmap_create_from_data( NULL, bdiag_bits, bdiag_width, bdiag_height );
-    hatch_bitmap[1] = gdk_bitmap_create_from_data( NULL, cdiag_bits, cdiag_width, cdiag_height );
-    hatch_bitmap[2] = gdk_bitmap_create_from_data( NULL, fdiag_bits, fdiag_width, fdiag_height );
-    hatch_bitmap[3] = gdk_bitmap_create_from_data( NULL, cross_bits, cross_width, cross_height );
-    hatch_bitmap[4] = gdk_bitmap_create_from_data( NULL, horiz_bits, horiz_width, horiz_height );
-    hatch_bitmap[5] = gdk_bitmap_create_from_data( NULL, verti_bits, verti_width, verti_height );
-  };
-};
+    hatch_bitmap[0] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, bdiag_bits, bdiag_width, bdiag_height );
+    hatch_bitmap[1] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, cdiag_bits, cdiag_width, cdiag_height );
+    hatch_bitmap[2] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, fdiag_bits, fdiag_width, fdiag_height );
+    hatch_bitmap[3] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, cross_bits, cross_width, cross_height );
+    hatch_bitmap[4] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, horiz_bits, horiz_width, horiz_height );
+    hatch_bitmap[5] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, verti_bits, verti_width, verti_height );
+  }
+}

 
 GdkWindow *wxPaintDC::GetWindow(void)
 {
   return m_window;
 
 GdkWindow *wxPaintDC::GetWindow(void)
 {
   return m_window;

-};
+}

 
 // ----------------------------------- spline code ----------------------------------------
 
 
 // ----------------------------------- spline code ----------------------------------------
 


@@ -722,7 +1013,7 @@ static void wx_spline_draw_point_array(wxDC *dc)
   }
 }
 
   }
 }
 

-void wxPaintDC::DrawOpenSpline( wxList *points )
+void wxPaintDC::DrawSpline( wxList *points )

 {
     wxPoint *p;
     double           cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;
 {
     wxPoint *p;
     double           cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;


@@ -770,4 +1061,4 @@ void wxPaintDC::DrawOpenSpline( wxList *points )
     wx_spline_add_point( x2, y2 );
 
     wx_spline_draw_point_array( this );
     wx_spline_add_point( x2, y2 );
 
     wx_spline_draw_point_array( this );

-};
+}