wxDataObejct and related changes (won't compile right now)

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

diff --git a/src/gtk1/dcclient.cpp b/src/gtk1/dcclient.cpp
index 3bf445ef645c8d561ef13a4960be7e20c7fc2894..a3ddfa66a0f5a0300680419112b72aac2cba8347 100644 (file)
--- a/src/gtk1/dcclient.cpp
+++ b/src/gtk1/dcclient.cpp
@@ -4,7 +4,7 @@
 // Author:      Robert Roebling
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Robert Roebling, Markus Holzem, Chris Breeze
 // Author:      Robert Roebling
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Robert Roebling, Markus Holzem, Chris Breeze

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

 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__


@@ -13,7 +13,12 @@
 
 #include "wx/dcclient.h"
 #include "wx/dcmemory.h"
 
 #include "wx/dcclient.h"
 #include "wx/dcmemory.h"

-#include <math.h>
+#include "wx/image.h"
+#include "wx/gtk/win_gtk.h"
+#include <math.h>               // for floating-point functions
+
+#include "gdk/gdk.h"
+#include "gtk/gtk.h"

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


@@ -39,16 +44,18 @@ static GdkPixmap **hatch_bitmap = (GdkPixmap **) NULL;
 //-----------------------------------------------------------------------------
 // temporary implementation of the missing GDK function
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // temporary implementation of the missing GDK function
 //-----------------------------------------------------------------------------

+

 #include "gdk/gdkprivate.h"
 #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)
+
+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;
 {
     GdkWindowPrivate *drawable_private;
     GdkWindowPrivate *src_private;


@@ -62,29 +69,29 @@ void gdk_draw_bitmap         (GdkDrawable  *drawable,
     src_private = (GdkWindowPrivate*) src;
     if (drawable_private->destroyed || src_private->destroyed)
         return;
     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,
     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 );
+                src_private->xwindow,
+                drawable_private->xwindow,
+                gc_private->xgc,
+                xsrc, ysrc,
+                width, height,
+                xdest, ydest,
+                1 );

 }
 
 //-----------------------------------------------------------------------------
 // wxWindowDC
 //-----------------------------------------------------------------------------
 
 }
 
 //-----------------------------------------------------------------------------
 // wxWindowDC
 //-----------------------------------------------------------------------------
 

-IMPLEMENT_DYNAMIC_CLASS(wxWindowDC,wxDC)
+IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)

 
 

-wxWindowDC::wxWindowDC(void)
+wxWindowDC::wxWindowDC()

 {
     m_penGC = (GdkGC *) NULL;
     m_brushGC = (GdkGC *) NULL;
 {
     m_penGC = (GdkGC *) NULL;
     m_brushGC = (GdkGC *) NULL;


@@ -92,6 +99,7 @@ wxWindowDC::wxWindowDC(void)
     m_bgGC = (GdkGC *) NULL;
     m_cmap = (GdkColormap *) NULL;
     m_isMemDC = FALSE;
     m_bgGC = (GdkGC *) NULL;
     m_cmap = (GdkColormap *) NULL;
     m_isMemDC = FALSE;

+    m_owner = (wxWindow *)NULL;

 }
 
 wxWindowDC::wxWindowDC( wxWindow *window )
 }
 
 wxWindowDC::wxWindowDC( wxWindow *window )


@@ -101,287 +109,256 @@ wxWindowDC::wxWindowDC( wxWindow *window )
     m_textGC = (GdkGC *) NULL;
     m_bgGC = (GdkGC *) NULL;
     m_cmap = (GdkColormap *) NULL;
     m_textGC = (GdkGC *) NULL;
     m_bgGC = (GdkGC *) NULL;
     m_cmap = (GdkColormap *) NULL;

-  
-    if (!window) return;
+    m_owner = (wxWindow *)NULL;
+    m_isMemDC = FALSE;
+    m_font = window->GetFont();
+
+    wxASSERT_MSG( window, wxT("DC needs a window") );
+

     GtkWidget *widget = window->m_wxwindow;
     GtkWidget *widget = window->m_wxwindow;

-    if (!widget) return;
-    m_window = widget->window;
-    if (!m_window) return;
+
+    wxASSERT_MSG( widget, wxT("DC needs a widget") );
+
+    GtkMyFixed *myfixed = GTK_MYFIXED( widget );
+    m_window = myfixed->bin_window;
+
+    /* not realized ? */
+    if (!m_window)
+    {
+         /* don't report problems */
+         m_ok = TRUE;
+
+         return;
+    }
+

     if (window->m_wxwindow)
         m_cmap = gtk_widget_get_colormap( window->m_wxwindow );
     else
         m_cmap = gtk_widget_get_colormap( window->m_widget );
     if (window->m_wxwindow)
         m_cmap = gtk_widget_get_colormap( window->m_wxwindow );
     else
         m_cmap = gtk_widget_get_colormap( window->m_widget );

-    
-    m_isMemDC = FALSE;
-        
+

     SetUpDC();
     SetUpDC();

-    
+
+    /* this must be done after SetUpDC, bacause SetUpDC calls the
+       repective SetBrush, SetPen, SetBackground etc functions
+       to set up the DC. SetBackground call m_owner->SetBackground
+       and this might not be desired as the standard dc background
+       is white whereas a window might assume gray to be the
+       standard (as e.g. wxStatusBar) */
+
+    m_owner = window;

 }
 
 }
 

-wxWindowDC::~wxWindowDC(void)
+wxWindowDC::~wxWindowDC()

 {
     Destroy();
 }
 
 {
     Destroy();
 }
 

-void wxWindowDC::FloodFill( long WXUNUSED(x), long WXUNUSED(y), 
+void wxWindowDC::DoFloodFill( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),

                            const wxColour &WXUNUSED(col), int WXUNUSED(style) )
 {
                            const wxColour &WXUNUSED(col), int WXUNUSED(style) )
 {

-    wxFAIL_MSG( "wxWindowDC::FloodFill not implemented" );
+    wxFAIL_MSG( wxT("wxWindowDC::DoFloodFill not implemented") );

 }
 
 }
 

-bool wxWindowDC::GetPixel( long WXUNUSED(x1), long WXUNUSED(y1), wxColour *WXUNUSED(col) ) const
+bool wxWindowDC::DoGetPixel( wxCoord WXUNUSED(x1), wxCoord WXUNUSED(y1), wxColour *WXUNUSED(col) ) const

 {
 {

-    wxFAIL_MSG( "wxWindowDC::GetPixel not implemented" );
+    wxFAIL_MSG( wxT("wxWindowDC::DoGetPixel not implemented") );

     return FALSE;
 }
 
     return FALSE;
 }
 

-void wxWindowDC::DrawLine( long x1, long y1, long x2, long y2 )
+void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )

 {
 {

-    if (!Ok()) return;
-  
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+

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

-        gdk_draw_line( m_window, m_penGC, 
-                       XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
-                      
+        if (m_window)
+            gdk_draw_line( m_window, m_penGC, XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
+

         CalcBoundingBox(x1, y1);
         CalcBoundingBox(x2, y2);
     }
 }
 
         CalcBoundingBox(x1, y1);
         CalcBoundingBox(x2, y2);
     }
 }
 

-void wxWindowDC::CrossHair( long x, long y )
+void wxWindowDC::DoCrossHair( wxCoord x, wxCoord y )

 {
 {

-    if (!Ok()) return;
-  
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+

     if (m_pen.GetStyle() != wxTRANSPARENT)
     {
         int w = 0;
         int h = 0;
         GetSize( &w, &h );
     if (m_pen.GetStyle() != wxTRANSPARENT)
     {
         int w = 0;
         int h = 0;
         GetSize( &w, &h );

-        long xx = XLOG2DEV(x);
-        long yy = YLOG2DEV(y);
-        gdk_draw_line( m_window, m_penGC, 0, yy, XLOG2DEVREL(w), yy );
-        gdk_draw_line( m_window, m_penGC, xx, 0, xx, YLOG2DEVREL(h) );
+        wxCoord xx = XLOG2DEV(x);
+        wxCoord yy = YLOG2DEV(y);
+        if (m_window)
+        {
+            gdk_draw_line( m_window, m_penGC, 0, yy, XLOG2DEVREL(w), yy );
+            gdk_draw_line( m_window, m_penGC, xx, 0, xx, YLOG2DEVREL(h) );
+        }

     }
 }
 
     }
 }
 

-void wxWindowDC::DrawArc( long x1, long y1, long x2, long y2, double xc, double yc )
+void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
+                            wxCoord xc, wxCoord yc )

 {
 {

-    if (!Ok()) return;
-  
-    long xx1 = XLOG2DEV(x1); 
-    long yy1 = YLOG2DEV(y1);
-    long xx2 = XLOG2DEV(x2); 
-    long yy2 = YLOG2DEV(y2);
-    long xxc = XLOG2DEV((long)xc); 
-    long yyc = YLOG2DEV((long)yc);
-    double dx = xx1 - xxc; 
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+    wxCoord xx1 = XLOG2DEV(x1);
+    wxCoord yy1 = YLOG2DEV(y1);
+    wxCoord xx2 = XLOG2DEV(x2);
+    wxCoord yy2 = YLOG2DEV(y2);
+    wxCoord xxc = XLOG2DEV(xc);
+    wxCoord yyc = YLOG2DEV(yc);
+    double dx = xx1 - xxc;

     double dy = yy1 - yyc;
     double dy = yy1 - yyc;

-    double radius = sqrt(dx*dx+dy*dy);
-    long   r      = (long)radius;
+    double radius = sqrt((double)(dx*dx+dy*dy));
+    wxCoord   r      = (wxCoord)radius;

     double radius1, radius2;
 
     double radius1, radius2;
 

-    if (xx1 == xx2 && yy1 == yy2) 
+    if (xx1 == xx2 && yy1 == yy2)

     {
         radius1 = 0.0;
         radius2 = 360.0;
     {
         radius1 = 0.0;
         radius2 = 360.0;

-    } 
-    else 
-    if (radius == 0.0) 
+    }
+    else
+    if (radius == 0.0)

     {
         radius1 = radius2 = 0.0;
     {
         radius1 = radius2 = 0.0;

-    } 
-    else 
+    }
+    else

     {
         radius1 = (xx1 - xxc == 0) ?
     {
         radius1 = (xx1 - xxc == 0) ?

-           (yy1 - yyc < 0) ? 90.0 : -90.0 :
-           -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
+            (yy1 - yyc < 0) ? 90.0 : -90.0 :
+            -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;

         radius2 = (xx2 - xxc == 0) ?
         radius2 = (xx2 - xxc == 0) ?

-           (yy2 - yyc < 0) ? 90.0 : -90.0 :
-           -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
+            (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);
+    wxCoord alpha1 = wxCoord(radius1 * 64.0);
+    wxCoord alpha2 = wxCoord((radius2 - radius1) * 64.0);

     while (alpha2 <= 0) alpha2 += 360*64;
     while (alpha1 > 360*64) alpha1 -= 360*64;
 
     while (alpha2 <= 0) alpha2 += 360*64;
     while (alpha1 > 360*64) alpha1 -= 360*64;
 

-    if (m_brush.GetStyle() != wxTRANSPARENT)
-        gdk_draw_arc( m_window, m_brushGC, TRUE, 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 );
-      
+    if (m_window)
+    {
+        if (m_brush.GetStyle() != wxTRANSPARENT)
+            gdk_draw_arc( m_window, m_brushGC, TRUE, 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 );
+    }
+

     CalcBoundingBox (x1, y1);
     CalcBoundingBox (x2, y2);
 }
 
     CalcBoundingBox (x1, y1);
     CalcBoundingBox (x2, y2);
 }
 

-void wxWindowDC::DrawEllipticArc( long x, long y, long width, long height, double sa, double ea )
+void wxWindowDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double sa, double ea )

 {
 {

-    if (!Ok()) return;
-  
-    long xx = XLOG2DEV(x);    
-    long yy = YLOG2DEV(y);
-    long ww = m_signX * XLOG2DEVREL(width); 
-    long hh = m_signY * YLOG2DEVREL(height);
-  
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+    wxCoord xx = XLOG2DEV(x);
+    wxCoord yy = YLOG2DEV(y);
+    wxCoord ww = m_signX * XLOG2DEVREL(width);
+    wxCoord 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; }
     // 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)
-        gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
-  
-    if (m_pen.GetStyle() != wxTRANSPARENT)
-        gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, start, end );
-       
+
+    if (m_window)
+    {
+        wxCoord start = wxCoord(sa * 64.0);
+        wxCoord end = wxCoord(ea * 64.0);
+
+        if (m_brush.GetStyle() != wxTRANSPARENT)
+            gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
+
+        if (m_pen.GetStyle() != wxTRANSPARENT)
+            gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, start, end );
+    }
+

     CalcBoundingBox (x, y);
     CalcBoundingBox (x + width, y + height);
 }
 
     CalcBoundingBox (x, y);
     CalcBoundingBox (x + width, y + height);
 }
 

-void wxWindowDC::DrawPoint( long x, long y )
+void wxWindowDC::DoDrawPoint( wxCoord x, wxCoord y )

 {
 {

-    if (!Ok()) return;
-  
-    if (m_pen.GetStyle() != wxTRANSPARENT)
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+    if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window)

         gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
         gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );

-       
+

     CalcBoundingBox (x, y);
 }
 
     CalcBoundingBox (x, y);
 }
 

-void wxWindowDC::DrawLines( int n, wxPoint points[], long xoffset, long yoffset )
+void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset )

 {
 {

-    if (!Ok()) return;
-  
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+

     if (m_pen.GetStyle() == wxTRANSPARENT) return;
     if (n <= 0) return;
     if (m_pen.GetStyle() == wxTRANSPARENT) return;
     if (n <= 0) return;

-  
+

     CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
     CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );

-    
+

     for (int i = 0; i < n-1; i++)
     {
     for (int i = 0; i < n-1; i++)
     {

-        long x1 = XLOG2DEV(points[i].x + xoffset);
-        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_penGC, x1, y1, x2, y2 );
-       
+        wxCoord x1 = XLOG2DEV(points[i].x + xoffset);
+        wxCoord x2 = XLOG2DEV(points[i+1].x + xoffset);
+        wxCoord y1 = YLOG2DEV(points[i].y + yoffset);     // oh, what a waste
+        wxCoord y2 = YLOG2DEV(points[i+1].y + yoffset);
+
+        if (m_window)
+            gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );
+

         CalcBoundingBox( points[i+1].x + xoffset, points[i+1].y + yoffset );
     }
 }
 
         CalcBoundingBox( points[i+1].x + xoffset, points[i+1].y + yoffset );
     }
 }
 

-void wxWindowDC::DrawLines( wxList *points, long xoffset, long yoffset )
+void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int WXUNUSED(fillStyle) )

 {
 {

-    if (!Ok()) return;
-  
-    if (m_pen.GetStyle() == wxTRANSPARENT) return;
-  
-    wxNode *node = points->First();
-    if (!node) return;
-    
-    wxPoint *pt = (wxPoint*)node->Data();
-    CalcBoundingBox( pt->x + xoffset, pt->y + yoffset );
-       
-    while (node->Next())
-    {
-        wxPoint *point = (wxPoint*)node->Data();
-        wxPoint *npoint = (wxPoint*)node->Next()->Data();
-        long x1 = XLOG2DEV(point->x + xoffset);
-        long x2 = XLOG2DEV(npoint->x + xoffset);
-        long y1 = YLOG2DEV(point->y + yoffset);    // and a waste again...
-        long y2 = YLOG2DEV(npoint->y + yoffset);
-        gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );
-        node = node->Next();
-       
-        CalcBoundingBox( npoint->x + xoffset, npoint->y + yoffset );
-    }
-}
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+    if (n <= 0) return;

 
 

-void wxWindowDC::DrawPolygon( int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle) )
-{
-    if (!Ok()) return;
-  
-    if (!n) return;
-    

     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);
     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);

-       
+

         CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset );
     }
         CalcBoundingBox( points[i].x + xoffset, 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 wxWindowDC::DrawPolygon( wxList *lines, long xoffset, long yoffset, int WXUNUSED(fillStyle))
-{
-    if (!Ok()) return;
-  
-    int n = lines->Number();
-    if (!n) return;
-    
-    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++;
-       
-        CalcBoundingBox( p->x + xoffset, p->y + yoffset );
-    }
-    
-    if (m_brush.GetStyle() != wxTRANSPARENT)
+    if ((m_brush.GetStyle() != wxTRANSPARENT) && m_window)

         gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n);
         gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n);

-       
+

     // To do: Fillstyle
     // To do: Fillstyle

-    
-    if (m_pen.GetStyle() != wxTRANSPARENT)
+
+    if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window)

     {
     {

-        int i;

         for (i = 0 ; i < n ; 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 );
+        {
+            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;
 }
 
     delete[] gdkpoints;
 }
 

-void wxWindowDC::DrawRectangle( long x, long y, long width, long height )
+void wxWindowDC::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height )

 {
 {

-    if (!Ok()) return;
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+    wxCoord xx = XLOG2DEV(x);
+    wxCoord yy = YLOG2DEV(y);
+    wxCoord ww = m_signX * XLOG2DEVREL(width);
+    wxCoord hh = m_signY * YLOG2DEVREL(height);

 
 

-    long xx = XLOG2DEV(x);
-    long yy = YLOG2DEV(y);
-    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: draw nothing if transformed w or h is 0
     if (ww == 0 || hh == 0) return;
 


@@ -389,27 +366,30 @@ void wxWindowDC::DrawRectangle( long x, long y, long width, long height )
     if (ww < 0) { ww = -ww; xx = xx - ww; }
     if (hh < 0) { hh = -hh; yy = yy - hh; }
 
     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_window)
+    {
+        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 );
+    }
+

     CalcBoundingBox( x, y );
     CalcBoundingBox( x + width, y + height );
 }
 
     CalcBoundingBox( x, y );
     CalcBoundingBox( x + width, y + height );
 }
 

-void wxWindowDC::DrawRoundedRectangle( long x, long y, long width, long height, double radius )
+void wxWindowDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius )

 {
 {

-    if (!Ok()) return;
-  
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+

     if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
     if (radius < 0.0) radius = - radius * ((width < height) ? width : height);

-  
-    long xx = XLOG2DEV(x);    
-    long yy = YLOG2DEV(y);
-    long ww = m_signX * XLOG2DEVREL(width); 
-    long hh = m_signY * YLOG2DEVREL(height);
-    long rr = XLOG2DEVREL((long)radius);
+
+    wxCoord xx = XLOG2DEV(x);
+    wxCoord yy = YLOG2DEV(y);
+    wxCoord ww = m_signX * XLOG2DEVREL(width);
+    wxCoord hh = m_signY * YLOG2DEVREL(height);
+    wxCoord rr = XLOG2DEVREL((wxCoord)radius);

 
     // CMB: handle -ve width and/or height
     if (ww < 0) { ww = -ww; xx = xx - ww; }
 
     // CMB: handle -ve width and/or height
     if (ww < 0) { ww = -ww; xx = xx - ww; }


@@ -434,362 +414,558 @@ void wxWindowDC::DrawRoundedRectangle( long x, long y, long width, long height,
         hh--;
     }
 
         hh--;
     }
 

-    // CMB: ensure dd is not larger than rectangle otherwise we
-    // get an hour glass shape
-    long dd = 2 * rr;
-    if (dd > ww) dd = ww;
-    if (dd > hh) dd = hh;
-    rr = dd / 2;
-
-    if (m_brush.GetStyle() != wxTRANSPARENT)
+    if (m_window)

     {
     {

-        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 );
-    }
-  
-    if (m_pen.GetStyle() != wxTRANSPARENT)
-    {
-        gdk_draw_line( m_window, m_penGC, xx+rr, yy, xx+ww-rr, yy );
-        gdk_draw_line( m_window, m_penGC, xx+rr, yy+hh, xx+ww-rr, yy+hh );
-        gdk_draw_line( m_window, m_penGC, xx, yy+rr, xx, yy+hh-rr );
-        gdk_draw_line( m_window, m_penGC, xx+ww, yy+rr, xx+ww, yy+hh-rr );
-        gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, dd, dd, 90*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 );
+        // CMB: ensure dd is not larger than rectangle otherwise we
+        // get an hour glass shape
+        wxCoord dd = 2 * rr;
+        if (dd > ww) dd = ww;
+        if (dd > hh) dd = hh;
+        rr = dd / 2;
+
+        if (m_brush.GetStyle() != wxTRANSPARENT)
+        {
+            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 );
+        }
+
+        if (m_pen.GetStyle() != wxTRANSPARENT)
+        {
+            gdk_draw_line( m_window, m_penGC, xx+rr, yy, xx+ww-rr, yy );
+            gdk_draw_line( m_window, m_penGC, xx+rr, yy+hh, xx+ww-rr, yy+hh );
+            gdk_draw_line( m_window, m_penGC, xx, yy+rr, xx, yy+hh-rr );
+            gdk_draw_line( m_window, m_penGC, xx+ww, yy+rr, xx+ww, yy+hh-rr );
+            gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, dd, dd, 90*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 );
+        }

     }
     }

-    
+

     // this ignores the radius
     CalcBoundingBox( x, y );
     CalcBoundingBox( x + width, y + height );
 }
 
     // this ignores the radius
     CalcBoundingBox( x, y );
     CalcBoundingBox( x + width, y + height );
 }
 

-void wxWindowDC::DrawEllipse( long x, long y, long width, long height )
+void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height )

 {
 {

-    if (!Ok()) return;
-  
-    long xx = XLOG2DEV(x);    
-    long yy = YLOG2DEV(y);
-    long ww = m_signX * XLOG2DEVREL(width); 
-    long hh = m_signY * YLOG2DEVREL(height);
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+    wxCoord xx = XLOG2DEV(x);
+    wxCoord yy = YLOG2DEV(y);
+    wxCoord ww = m_signX * XLOG2DEVREL(width);
+    wxCoord 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; }
 
     // 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_window)
+    {
+        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 );
+    }
+

     CalcBoundingBox( x - width, y - height );
     CalcBoundingBox( x + width, y + height );
 }
 
     CalcBoundingBox( x - width, y - height );
     CalcBoundingBox( x + width, y + height );
 }
 

-bool wxWindowDC::CanDrawBitmap(void) const
+void wxWindowDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )

 {
 {

-  return TRUE;
+    // VZ: egcs 1.0.3 refuses to compile this without cast, no idea why
+    DoDrawBitmap( (const wxBitmap&)icon, x, y, (bool)TRUE );

 }
 
 }
 

-void wxWindowDC::DrawIcon( const wxIcon &icon, long x, long y )
+void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
+                               wxCoord x, wxCoord y,
+                               bool useMask )

 {
 {

-    if (!Ok()) return;
-  
-    if (!icon.Ok()) return;
-  
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+    wxCHECK_RET( bitmap.Ok(), wxT("invalid bitmap") );
+
+    /* scale/translate size and position */
+

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

-  
-    GdkBitmap *mask = (GdkBitmap *) NULL;
-    if (icon.GetMask()) mask = icon.GetMask()->GetBitmap();
-    
-    if (mask) 
+
+    int w = bitmap.GetWidth();
+    int h = bitmap.GetHeight();
+
+    CalcBoundingBox( x, y );
+    CalcBoundingBox( x + w, y + h );
+
+    if (!m_window) return;
+
+    int ww = XLOG2DEVREL(w);
+    int hh = YLOG2DEVREL(h);
+
+    /* scale bitmap if required */
+
+    wxBitmap use_bitmap;
+
+    if ((w != ww) || (h != hh))

     {
     {

-        gdk_gc_set_clip_mask( m_penGC, mask );
-        gdk_gc_set_clip_origin( m_penGC, xx, yy );
+        wxImage image( bitmap );
+        image = image.Scale( ww, hh );
+
+        use_bitmap = image.ConvertToBitmap();

     }
     }

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

     {
     {

-        gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
-        gdk_gc_set_clip_origin( m_penGC, 0, 0 );
+        use_bitmap = bitmap;

     }
     }

-    
-    CalcBoundingBox( x, y );
-    int width = icon.GetWidth();
-    int height = icon.GetHeight();
-    CalcBoundingBox( x + width, y + height );
-}

 
 

-void wxWindowDC::DrawBitmap( const wxBitmap &bitmap, long x, long y, bool useMask )
-{
-    if (!Ok()) return;
-  
-    if (!bitmap.Ok()) return;
-  
-    int xx = XLOG2DEV(x);
-    int yy = YLOG2DEV(y);
-  
+    /* apply mask if any */
+

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

-    if (bitmap.GetMask()) mask = bitmap.GetMask()->GetBitmap();
-    
-    if (useMask && mask) 
+    if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
+
+    if (useMask && mask)

     {
         gdk_gc_set_clip_mask( m_penGC, mask );
         gdk_gc_set_clip_origin( m_penGC, xx, yy );
     }
     {
         gdk_gc_set_clip_mask( m_penGC, mask );
         gdk_gc_set_clip_origin( m_penGC, xx, yy );
     }

-  
-    GdkPixmap *pm = bitmap.GetPixmap();
-    gdk_draw_pixmap( m_window, m_penGC, pm, 0, 0, xx, yy, -1, -1 );
-  
-    if (useMask && mask) 
+
+    /* draw XPixmap or XBitmap, depending on what the wxBitmap contains */
+
+    GdkPixmap *pm = use_bitmap.GetPixmap();
+    if (pm)
+    {
+        gdk_draw_pixmap( m_window, m_penGC, pm, 0, 0, xx, yy, -1, -1 );
+    }
+    else
+    {
+        GdkBitmap *bm = use_bitmap.GetBitmap();
+        if (bm)
+        {
+            gdk_draw_bitmap( m_window, m_penGC, bm, 0, 0, xx, yy, -1, -1 );
+        }
+    }
+
+    /* remove mask again if any */
+
+    if (useMask && mask)

     {
         gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
         gdk_gc_set_clip_origin( m_penGC, 0, 0 );
     }
     {
         gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
         gdk_gc_set_clip_origin( m_penGC, 0, 0 );
     }

-    
-    CalcBoundingBox( x, y );
-    int width = bitmap.GetWidth();
-    int height = bitmap.GetHeight();
-    CalcBoundingBox( x + width, y + height );

 }
 
 }
 

-bool wxWindowDC::Blit( long xdest, long ydest, long width, long height,
-       wxDC *source, long xsrc, long ysrc, int WXUNUSED(logical_func), bool useMask )
+bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
+                         wxDC *source, wxCoord xsrc, wxCoord ysrc,
+                         int logical_func, bool useMask )

 {
 {

-    if (!Ok()) return FALSE;
-    
+   /* this is the nth try to get this utterly useless function to
+      work. it now completely ignores the scaling or translation
+      of the source dc, but scales correctly on the target dc and
+      knows about possible mask information in a memory dc. */
+
+    wxCHECK_MSG( Ok(), FALSE, wxT("invalid window dc") );
+
+    wxCHECK_MSG( source, FALSE, wxT("invalid source dc") );
+
+    if (!m_window) return FALSE;
+
+    wxClientDC *srcDC = (wxClientDC*)source;
+    wxMemoryDC *memDC = (wxMemoryDC*)source;
+
+    bool use_bitmap_method = FALSE;
+
+    if (srcDC->m_isMemDC)
+    {
+        if (!memDC->m_selected.Ok()) return FALSE;
+
+        /* we use the "XCopyArea" way to copy a memory dc into
+           y different window if the memory dc BOTH
+           a) doesn't have any mask or its mask isn't used
+           b) it is clipped
+           c) is not 1-bit */
+
+        if (useMask && (memDC->m_selected.GetMask()))
+        {
+           /* we HAVE TO use the direct way for memory dcs
+              that have mask since the XCopyArea doesn't know
+              about masks */
+            use_bitmap_method = TRUE;
+        }
+        else if (memDC->m_selected.GetDepth() == 1)
+        {
+           /* we HAVE TO use the direct way for memory dcs
+              that are bitmaps because XCopyArea doesn't cope
+              with different bit depths */
+            use_bitmap_method = TRUE;
+        }
+        else if ((xsrc == 0) && (ysrc == 0) &&
+                 (width == memDC->m_selected.GetWidth()) &&
+                 (height == memDC->m_selected.GetHeight()))
+        {
+           /* we SHOULD use the direct way if all of the bitmap
+              in the memory dc is copied in which case XCopyArea
+              wouldn't be able able to boost performace by reducing
+              the area to be scaled */
+            use_bitmap_method = TRUE;
+        }
+        else
+        {
+            use_bitmap_method = FALSE;
+        }
+    }
+

     CalcBoundingBox( xdest, ydest );
     CalcBoundingBox( xdest + width, ydest + height );
     CalcBoundingBox( xdest, ydest );
     CalcBoundingBox( xdest + width, ydest + height );

-    
-    wxClientDC *csrc = (wxClientDC*)source;
-  
-    if (csrc->m_isMemDC)
+
+    int old_logical_func = m_logicalFunction;
+    SetLogicalFunction( logical_func );
+
+    if (use_bitmap_method)

     {
     {

-        wxMemoryDC* srcDC = (wxMemoryDC*)source;
-        GdkPixmap* pmap = srcDC->m_selected.GetPixmap();
-        if (pmap)
+        /* scale/translate bitmap size */
+
+        wxCoord bm_width = memDC->m_selected.GetWidth();
+        wxCoord bm_height = memDC->m_selected.GetHeight();
+
+        wxCoord bm_ww = XLOG2DEVREL( bm_width );
+        wxCoord bm_hh = YLOG2DEVREL( bm_height );
+
+        /* scale bitmap if required */
+
+        wxBitmap use_bitmap;
+
+        if ((bm_width != bm_ww) || (bm_height != bm_hh))

         {
         {

-            long xx = XLOG2DEV(xdest);
-            long yy = YLOG2DEV(ydest);
-    
-            GdkBitmap *mask = (GdkBitmap *) NULL;
-            if (srcDC->m_selected.GetMask()) mask = srcDC->m_selected.GetMask()->GetBitmap();
-    
-            if (useMask && mask) 
-            {
-                gdk_gc_set_clip_mask( m_textGC, mask );
-                gdk_gc_set_clip_origin( m_textGC, xx, yy );
-            }
-           
-            gdk_draw_pixmap( m_window, m_textGC, pmap,
-                             source->DeviceToLogicalX(xsrc), 
-                            source->DeviceToLogicalY(ysrc),
-                             xx, 
-                            yy,
-                             source->DeviceToLogicalXRel(width), 
-                            source->DeviceToLogicalYRel(height) );
-         
-            if (useMask && mask) 
-            {
-                gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL );
-                gdk_gc_set_clip_origin( m_textGC, 0, 0 );
-            }
-      
-            return TRUE;
+            wxImage image( memDC->m_selected );
+            image = image.Scale( bm_ww, bm_hh );
+
+            use_bitmap = image.ConvertToBitmap();

         }
         }

-       
-        GdkBitmap* bmap = srcDC->m_selected.GetBitmap();
-        if (bmap)
+        else

         {
         {

-            long xx = XLOG2DEV(xdest);
-            long yy = YLOG2DEV(ydest);
-    
-            GdkBitmap *mask = (GdkBitmap *) NULL;
-            if (srcDC->m_selected.GetMask()) mask = srcDC->m_selected.GetMask()->GetBitmap();
-    
-            if (useMask && mask) 
-            {
-                gdk_gc_set_clip_mask( m_textGC, mask );
-                gdk_gc_set_clip_origin( m_textGC, xx, yy );
-            }
-  
-            gdk_draw_bitmap( m_window, m_textGC, bmap,
-                             source->DeviceToLogicalX(xsrc), 
-                            source->DeviceToLogicalY(ysrc),
-                             xx, 
-                            yy,
-                             source->DeviceToLogicalXRel(width), 
-                            source->DeviceToLogicalYRel(height) );
-         
-            if (useMask && mask) 
+            use_bitmap = memDC->m_selected;
+        }
+
+        /* scale/translate size and position */
+
+        wxCoord xx = XLOG2DEV(xdest);
+        wxCoord yy = YLOG2DEV(ydest);
+
+        wxCoord ww = XLOG2DEVREL(width);
+        wxCoord hh = YLOG2DEVREL(height);
+
+        /* apply mask if any */
+
+        GdkBitmap *mask = (GdkBitmap *) NULL;
+        if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
+
+        if (useMask && mask)
+        {
+            gdk_gc_set_clip_mask( m_penGC, mask );
+            gdk_gc_set_clip_origin( m_penGC, xx, yy );
+        }
+
+        /* draw XPixmap or XBitmap, depending on what the wxBitmap contains */
+
+        GdkPixmap *pm = use_bitmap.GetPixmap();
+        if (pm)
+        {
+            gdk_draw_pixmap( m_window, m_penGC, pm, xsrc, ysrc, xx, yy, ww, hh );
+        }
+        else
+        {
+            GdkBitmap *bm = use_bitmap.GetBitmap();
+            if (bm)

             {
             {

-                gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL );
-                gdk_gc_set_clip_origin( m_textGC, 0, 0 );
+                /* we use the textGC here because blitting a bitmap is done
+                   using the current text colour */
+                gdk_draw_bitmap( m_window, m_textGC, bm, xsrc, ysrc, xx, yy, ww, hh );

             }
             }

-      
-            return TRUE;
+        }
+
+        /* remove mask again if any */
+
+        if (useMask && mask)
+        {
+            gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
+            gdk_gc_set_clip_origin( m_penGC, 0, 0 );

         }
     }
         }
     }

+    else /* use_bitmap_method */
+    {
+        /* scale/translate size and position */

 
 

-    gdk_window_copy_area ( m_window, m_textGC,
-                           XLOG2DEV(xdest), YLOG2DEV(ydest),
-                           csrc->GetWindow(),
-                           source->DeviceToLogicalX(xsrc), 
-                          source->DeviceToLogicalY(ysrc),
-                           source->DeviceToLogicalXRel(width), 
-                          source->DeviceToLogicalYRel(height) );
-
-/*    
-    gdk_window_copy_area ( m_window, m_textGC,
-                           XLOG2DEV(xdest), YLOG2DEV(ydest),
-                           csrc->GetWindow(),
-                           xsrc, ysrc,
-                           width, height );
-*/
-    
-  return TRUE;
+        wxCoord xx = XLOG2DEV(xdest);
+        wxCoord yy = YLOG2DEV(ydest);
+
+        wxCoord ww = XLOG2DEVREL(width);
+        wxCoord hh = YLOG2DEVREL(height);
+
+        if ((width != ww) || (height != hh))
+        {
+            /* draw source window into a bitmap as we cannot scale
+               a window in contrast to a bitmap. this would actually
+               work with memory dcs as well, but we'd lose the mask
+               information and waste one step in this process since
+               a memory already has a bitmap. all this is slightly
+               inefficient as we could take an XImage directly from
+               an X window, but we'd then also have to care that
+               the window is not outside the screen (in which case
+               we'd get a BadMatch or what not).
+               Is a double XGetImage and combined XGetPixel and
+               XPutPixel really faster? I'm not sure. look at wxXt
+               for a different implementation of the same problem. */
+
+            wxBitmap bitmap( width, height );
+            gdk_window_copy_area( bitmap.GetPixmap(), m_penGC, 0, 0,
+                                  srcDC->GetWindow(),
+                                  xsrc, ysrc, width, height );
+
+            /* scale image */
+
+            wxImage image( bitmap );
+            image = image.Scale( ww, hh );
+
+            /* convert to bitmap */
+
+            bitmap = image.ConvertToBitmap();
+
+            /* draw scaled bitmap */
+
+            gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
+
+        }
+        else
+        {
+            /* no scaling and not a memory dc with a mask either */
+
+            gdk_window_copy_area( m_window, m_penGC, xx, yy,
+                                  srcDC->GetWindow(),
+                                  xsrc, ysrc, width, height );
+        }
+    }
+
+    SetLogicalFunction( old_logical_func );
+    return TRUE;

 }
 
 }
 

-void wxWindowDC::DrawText( const wxString &text, long x, long y, bool WXUNUSED(use16) )
+void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )

 {
 {

-    if (!Ok()) return;
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+    if (!m_window) return;

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

+    wxCHECK_RET( font, wxT("invalid font") );
+

     x = XLOG2DEV(x);
     y = YLOG2DEV(y);
 
     x = XLOG2DEV(x);
     y = YLOG2DEV(y);
 

-    // CMB 21/5/98: draw text background if mode is wxSOLID
+    /* CMB 21/5/98: draw text background if mode is wxSOLID */

     if (m_backgroundMode == wxSOLID)
     {
     if (m_backgroundMode == wxSOLID)
     {

-        long width = gdk_string_width( font, text );
-        long height = font->ascent + font->descent;
+        wxCoord width = gdk_string_width( font, text.mbc_str() );
+        wxCoord 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_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 );
+    gdk_draw_string( m_window, font, m_textGC, x, y + font->ascent, text.mbc_str() );

 
 

-    // CMB 17/7/98: simple underline: ignores scaling and underlying
-    // X font's XA_UNDERLINE_POSITION and XA_UNDERLINE_THICKNESS
-    // properties (see wxXt implementation)
+    /* 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())
     {
     if (m_font.GetUnderlined())
     {

-        long width = gdk_string_width( font, text );
-        long ul_y = y + font->ascent;
+        wxCoord width = gdk_string_width( font, text.mbc_str() );
+        wxCoord 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);
     }
         if (font->descent > 0) ul_y++;
         gdk_draw_line( m_window, m_textGC, x, ul_y, x + width, ul_y);
     }

-    
-    long w, h;
+
+    wxCoord w, h;

     GetTextExtent (text, &w, &h);
     CalcBoundingBox (x + w, y + h);
     CalcBoundingBox (x, y);
 }
 
     GetTextExtent (text, &w, &h);
     CalcBoundingBox (x + w, y + h);
     CalcBoundingBox (x, y);
 }
 

-bool wxWindowDC::CanGetTextExtent(void) const
+void wxWindowDC::DoGetTextExtent(const wxString &string,
+                                 wxCoord *width, wxCoord *height,
+                                 wxCoord *descent, wxCoord *externalLeading,
+                                 wxFont *theFont) const

 {
 {

-    return TRUE;
-}
-
-void wxWindowDC::GetTextExtent( const wxString &string, long *width, long *height,
-                     long *descent, long *externalLeading,
-                     wxFont *theFont, bool WXUNUSED(use16) )
-{
-    if (!Ok()) return;
-  

     wxFont fontToUse = m_font;
     if (theFont) fontToUse = *theFont;
     wxFont fontToUse = m_font;
     if (theFont) fontToUse = *theFont;

-  
+

     GdkFont *font = fontToUse.GetInternalFont( m_scaleY );
     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 (width) (*width) = wxCoord(gdk_string_width( font, string.mbc_str() ) / m_scaleX);
+    if (height) (*height) = wxCoord((font->ascent + font->descent) / m_scaleY);
+    if (descent) (*descent) = wxCoord(font->descent / m_scaleY);

     if (externalLeading) (*externalLeading) = 0;  // ??
 }
 
     if (externalLeading) (*externalLeading) = 0;  // ??
 }
 

-long wxWindowDC::GetCharWidth(void)
+wxCoord wxWindowDC::GetCharWidth() const

 {
 {

-    if (!Ok()) return 0;
-  

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

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

 }
 
 }
 

-long wxWindowDC::GetCharHeight(void)
+wxCoord wxWindowDC::GetCharHeight() const

 {
 {

-    if (!Ok()) return 0;
-  

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

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

 }
 
 }
 

-void wxWindowDC::Clear(void)
+void wxWindowDC::Clear()

 {
 {

-    if (!Ok()) return;
-  
-    if (!m_isMemDC)
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+    if (!m_window) return;
+
+    /* - we either are a memory dc or have a window as the
+       owner. anything else shouldn't happen.
+       - we don't use gdk_window_clear() as we don't set
+       the window's background colour anymore. it is too
+       much pain to keep the DC's and the window's back-
+       ground colour in synch. */
+
+    if (m_owner)

     {
     {

-        gdk_window_clear( m_window );
+        int width,height;
+        m_owner->GetSize( &width, &height );
+        gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
+        return;

     }
     }

-    else
+
+    if (m_isMemDC)

     {
         int width,height;
         GetSize( &width, &height );
         gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
     {
         int width,height;
         GetSize( &width, &height );
         gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );

+        return;

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

-    if (!Ok()) return;
-  

     m_font = font;
 }
 
 void wxWindowDC::SetPen( const wxPen &pen )
 {
     m_font = font;
 }
 
 void wxWindowDC::SetPen( const wxPen &pen )
 {

-    if (!Ok()) return;
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );

 
     if (m_pen == pen) return;
 
     if (m_pen == pen) return;

-  
+

     m_pen = pen;
     m_pen = pen;

-  
+

     if (!m_pen.Ok()) return;
     if (!m_pen.Ok()) return;

-  
+
+    if (!m_window) return;
+

     gint width = m_pen.GetWidth();
     gint width = m_pen.GetWidth();

-    // CMB: if width is non-zero scale it with the dc

     if (width <= 0)
     {
     if (width <= 0)
     {

+        // CMB: if width is non-zero scale it with the dc

         width = 1;
     }
     else
     {
         // X doesn't allow different width in x and y and so we take
         // the average
         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;
+        double w = 0.5 +
+                   ( fabs((double) XLOG2DEVREL(width)) +
+                     fabs((double) YLOG2DEVREL(width)) ) / 2.0;

         width = (int)w;
     }
         width = (int)w;
     }

-  
+
+    static const char dotted[] = {1, 1};
+    static const char short_dashed[] = {2, 2};
+    static const char wxCoord_dashed[] = {2, 4};
+    static const char dotted_dashed[] = {3, 3, 1, 3};
+
+    // We express dash pattern in pen width unit, so we are
+    // independent of zoom factor and so on...
+    int req_nb_dash;
+    const char *req_dash;
+

     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 wxUSER_DASH:
+        {
+            lineStyle = GDK_LINE_ON_OFF_DASH;
+            req_nb_dash = m_pen.GetDashCount();
+            req_dash = m_pen.GetDash();
+            break;
+        }
+        case wxDOT:
+        {
+            lineStyle = GDK_LINE_ON_OFF_DASH;
+            req_nb_dash = 2;
+            req_dash = dotted;
+            break;
+        }
+        case wxLONG_DASH:
+        {
+            lineStyle = GDK_LINE_ON_OFF_DASH;
+            req_nb_dash = 2;
+            req_dash = wxCoord_dashed;
+            break;
+        }
+        case wxSHORT_DASH:
+        {
+            lineStyle = GDK_LINE_ON_OFF_DASH;
+            req_nb_dash = 2;
+            req_dash = short_dashed;
+            break;
+        }
+        case wxDOT_DASH:
+        {
+//            lineStyle = GDK_LINE_DOUBLE_DASH;
+            lineStyle = GDK_LINE_ON_OFF_DASH;
+            req_nb_dash = 4;
+            req_dash = dotted_dashed;
+            break;
+        }
+
+        case wxTRANSPARENT:
+        case wxSTIPPLE:
+        case wxSOLID:
+        default:
+        {
+            lineStyle = GDK_LINE_SOLID;
+            req_dash = (wxDash*)NULL;
+            req_nb_dash = 0;
+            break;
+        }
+    }
+
+#if (GTK_MINOR_VERSION > 0)
+    if (req_dash && req_nb_dash)
+    {
+        char *real_req_dash = new char[req_nb_dash];
+        if (real_req_dash)
+        {
+            for (int i = 0; i < req_nb_dash; i++)
+                real_req_dash[i] = req_dash[i] * width;
+            gdk_gc_set_dashes( m_penGC, 0, real_req_dash, req_nb_dash );
+            delete[] real_req_dash;
+        }
+        else
+        {
+            // No Memory. We use non-scaled dash pattern...
+            gdk_gc_set_dashes( m_penGC, 0, (char*)req_dash, req_nb_dash );
+        }

     }
     }

-  
+#endif
+

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


@@ -797,7 +973,7 @@ void wxWindowDC::SetPen( const wxPen &pen )
         case wxCAP_PROJECTING: { capStyle = GDK_CAP_PROJECTING; break; }
         case wxCAP_BUTT:       { capStyle = GDK_CAP_BUTT;       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())
     {


@@ -805,103 +981,136 @@ void wxWindowDC::SetPen( const wxPen &pen )
         case wxJOIN_ROUND: { joinStyle = GDK_JOIN_ROUND; break; }
         case wxJOIN_MITER: { joinStyle = GDK_JOIN_MITER; 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 );
     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 wxWindowDC::SetBrush( const wxBrush &brush )
 {
     m_pen.GetColour().CalcPixel( m_cmap );
     gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() );
 }
 
 void wxWindowDC::SetBrush( const wxBrush &brush )
 {

-    if (!Ok()) return;
-  
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+

     if (m_brush == brush) return;
     if (m_brush == brush) return;

-  
+

     m_brush = brush;
     m_brush = brush;

-  
+

     if (!m_brush.Ok()) return;
     if (!m_brush.Ok()) return;

-  
+
+    if (!m_window) return;
+

     m_brush.GetColour().CalcPixel( m_cmap );
     gdk_gc_set_foreground( m_brushGC, m_brush.GetColour().GetColor() );
     m_brush.GetColour().CalcPixel( m_cmap );
     gdk_gc_set_foreground( m_brushGC, m_brush.GetColour().GetColor() );

-  
-    GdkFill fillStyle = GDK_SOLID;
-    switch (m_brush.GetStyle())
-    {
-      case wxSOLID:
-      case wxTRANSPARENT:
-         break;
-      default:
-         fillStyle = GDK_STIPPLED;
-    }
-  
-    gdk_gc_set_fill( m_brushGC, fillStyle );
-  
-    if (m_brush.GetStyle() == wxSTIPPLE)
+
+    gdk_gc_set_fill( m_brushGC, GDK_SOLID );
+
+    if ((m_brush.GetStyle() == wxSTIPPLE) && (m_brush.GetStipple()->Ok()))

     {
     {

-        gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() );
+        if (m_brush.GetStipple()->GetPixmap())
+        {
+            gdk_gc_set_fill( m_brushGC, GDK_TILED );
+            gdk_gc_set_tile( m_brushGC, m_brush.GetStipple()->GetPixmap() );
+        }
+        else
+        {
+            gdk_gc_set_fill( m_brushGC, GDK_STIPPLED );
+            gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetBitmap() );
+        }

     }
     }

-  
+

     if (IS_HATCH(m_brush.GetStyle()))
     {
     if (IS_HATCH(m_brush.GetStyle()))
     {

+        gdk_gc_set_fill( m_brushGC, GDK_STIPPLED );

         int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH;
         gdk_gc_set_stipple( m_brushGC, hatches[num] );
     }
 }
 
         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 wxWindowDC::SetBackground( const wxBrush &brush )
 {
 void wxWindowDC::SetBackground( const wxBrush &brush )
 {

-    if (!Ok()) return;
-  
+   /* CMB 21/7/98: Added SetBackground. Sets background brush
+    * for Clear() and bg colour for shapes filled with cross-hatch brush */
+
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+

     if (m_backgroundBrush == brush) return;
     if (m_backgroundBrush == brush) return;

-  
+

     m_backgroundBrush = brush;
     m_backgroundBrush = brush;

-  
+

     if (!m_backgroundBrush.Ok()) return;
     if (!m_backgroundBrush.Ok()) return;

-  
+
+    if (!m_window) return;
+

     m_backgroundBrush.GetColour().CalcPixel( m_cmap );
     gdk_gc_set_background( m_brushGC, m_backgroundBrush.GetColour().GetColor() );
     gdk_gc_set_background( m_penGC, m_backgroundBrush.GetColour().GetColor() );
     gdk_gc_set_background( m_bgGC, m_backgroundBrush.GetColour().GetColor() );
     gdk_gc_set_foreground( m_bgGC, m_backgroundBrush.GetColour().GetColor() );
     m_backgroundBrush.GetColour().CalcPixel( m_cmap );
     gdk_gc_set_background( m_brushGC, m_backgroundBrush.GetColour().GetColor() );
     gdk_gc_set_background( m_penGC, m_backgroundBrush.GetColour().GetColor() );
     gdk_gc_set_background( m_bgGC, 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_fill( m_bgGC, GDK_SOLID );
+
+    if ((m_backgroundBrush.GetStyle() == wxSTIPPLE) && (m_backgroundBrush.GetStipple()->Ok()))

     {
     {

-        gdk_gc_set_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() );
+        if (m_backgroundBrush.GetStipple()->GetPixmap())
+        {
+            gdk_gc_set_fill( m_bgGC, GDK_TILED );
+            gdk_gc_set_tile( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() );
+        }
+        else
+        {
+            gdk_gc_set_fill( m_bgGC, GDK_STIPPLED );
+            gdk_gc_set_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetBitmap() );
+        }

     }
     }

-  
+

     if (IS_HATCH(m_backgroundBrush.GetStyle()))
     {
     if (IS_HATCH(m_backgroundBrush.GetStyle()))
     {

+        gdk_gc_set_fill( m_bgGC, GDK_STIPPLED );

         int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH;
         gdk_gc_set_stipple( m_bgGC, hatches[num] );
         int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH;
         gdk_gc_set_stipple( m_bgGC, hatches[num] );

-     }
+    }

 }
 
 void wxWindowDC::SetLogicalFunction( int function )
 {
 }
 
 void wxWindowDC::SetLogicalFunction( int function )
 {

+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+

     if (m_logicalFunction == function) return;
     if (m_logicalFunction == function) return;

+

     GdkFunction mode = GDK_COPY;
     switch (function)
     {
     GdkFunction mode = GDK_COPY;
     switch (function)
     {

-        case wxXOR:    mode = GDK_INVERT; break;
-        case wxINVERT: mode = GDK_INVERT; break;
-        default:       break;
+        case wxXOR:          mode = GDK_XOR;           break;
+        case wxINVERT:       mode = GDK_INVERT;        break;
+#if (GTK_MINOR_VERSION > 0)
+        case wxOR_REVERSE:   mode = GDK_OR_REVERSE;    break;
+        case wxAND_REVERSE:  mode = GDK_AND_REVERSE;   break;
+        case wxCLEAR:        mode = GDK_CLEAR;         break;
+        case wxSET:          mode = GDK_SET;           break;
+        case wxOR_INVERT:    mode = GDK_OR_INVERT;     break;
+        case wxSRC_AND:
+        case wxAND:          mode = GDK_AND;           break;
+        case wxSRC_OR:
+        case wxOR:           mode = GDK_OR;            break;
+        case wxEQUIV:        mode = GDK_EQUIV;         break;
+        case wxNAND:         mode = GDK_NAND;          break;
+        case wxAND_INVERT:   mode = GDK_AND_INVERT;    break;
+        case wxCOPY:         mode = GDK_COPY;          break;
+        case wxNO_OP:        mode = GDK_NOOP;          break;
+        case wxSRC_INVERT:   mode = GDK_COPY_INVERT;   break;
+#endif
+        default:
+        {
+           wxFAIL_MSG( wxT("unsupported logical function") );
+           break;
+        }

     }
     }

+

     m_logicalFunction = function;
     m_logicalFunction = function;

+
+    if (!m_window) return;
+

     gdk_gc_set_function( m_penGC, mode );
     gdk_gc_set_function( m_brushGC, mode );
     gdk_gc_set_function( m_textGC, mode );
     gdk_gc_set_function( m_penGC, mode );
     gdk_gc_set_function( m_brushGC, mode );
     gdk_gc_set_function( m_textGC, mode );


@@ -909,36 +1118,45 @@ void wxWindowDC::SetLogicalFunction( int function )
 
 void wxWindowDC::SetTextForeground( const wxColour &col )
 {
 
 void wxWindowDC::SetTextForeground( const wxColour &col )
 {

-    if (!Ok()) return;
-  
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+

     if (m_textForegroundColour == col) return;
     if (m_textForegroundColour == col) return;

-  
+

     m_textForegroundColour = col;
     if (!m_textForegroundColour.Ok()) return;
     m_textForegroundColour = col;
     if (!m_textForegroundColour.Ok()) return;

-  
+
+    if (!m_window) return;
+

     m_textForegroundColour.CalcPixel( m_cmap );
     gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
 }
 
 void wxWindowDC::SetTextBackground( const wxColour &col )
 {
     m_textForegroundColour.CalcPixel( m_cmap );
     gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
 }
 
 void wxWindowDC::SetTextBackground( const wxColour &col )
 {

-    if (!Ok()) return;
-  
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+

     if (m_textBackgroundColour == col) return;
     if (m_textBackgroundColour == col) return;

-  
+

     m_textBackgroundColour = col;
     if (!m_textBackgroundColour.Ok()) return;
     m_textBackgroundColour = col;
     if (!m_textBackgroundColour.Ok()) return;

-  
+
+    if (!m_window) return;
+

     m_textBackgroundColour.CalcPixel( m_cmap );
     gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
 }
 
 void wxWindowDC::SetBackgroundMode( int mode )
 {
     m_textBackgroundColour.CalcPixel( m_cmap );
     gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
 }
 
 void wxWindowDC::SetBackgroundMode( int mode )
 {

+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+

     m_backgroundMode = mode;
 
     m_backgroundMode = mode;
 

+    if (!m_window) return;
+

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


@@ -948,12 +1166,17 @@ void wxWindowDC::SetBackgroundMode( int mode )
 
 void wxWindowDC::SetPalette( const wxPalette& WXUNUSED(palette) )
 {
 
 void wxWindowDC::SetPalette( const wxPalette& WXUNUSED(palette) )
 {

+    wxFAIL_MSG( wxT("wxWindowDC::SetPalette not implemented") );

 }
 
 }
 

-void wxWindowDC::SetClippingRegion( long x, long y, long width, long height )
+void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )

 {
 {

-    wxDC::SetClippingRegion( x, y, width, height );
-  
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+    wxDC::DoSetClippingRegion( x, y, width, height );
+
+    if (!m_window) return;
+

     GdkRectangle rect;
     rect.x = XLOG2DEV(x);
     rect.y = YLOG2DEV(y);
     GdkRectangle rect;
     rect.x = XLOG2DEV(x);
     rect.y = YLOG2DEV(y);


@@ -965,31 +1188,39 @@ void wxWindowDC::SetClippingRegion( long x, long y, long width, long height )
     gdk_gc_set_clip_rectangle( m_bgGC, &rect );
 }
 
     gdk_gc_set_clip_rectangle( m_bgGC, &rect );
 }
 

-void wxWindowDC::SetClippingRegion( const wxRegion &region  )
+void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion &region  )

 {
 {

+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+

     if (region.Empty())
     {
         DestroyClippingRegion();
         return;
     }
     if (region.Empty())
     {
         DestroyClippingRegion();
         return;
     }

-    
+
+    if (!m_window) return;
+

     gdk_gc_set_clip_region( m_penGC, region.GetRegion() );
     gdk_gc_set_clip_region( m_brushGC, region.GetRegion() );
     gdk_gc_set_clip_region( m_textGC, region.GetRegion() );
     gdk_gc_set_clip_region( m_bgGC, region.GetRegion() );
 }
 
     gdk_gc_set_clip_region( m_penGC, region.GetRegion() );
     gdk_gc_set_clip_region( m_brushGC, region.GetRegion() );
     gdk_gc_set_clip_region( m_textGC, region.GetRegion() );
     gdk_gc_set_clip_region( m_bgGC, region.GetRegion() );
 }
 

-void wxWindowDC::DestroyClippingRegion(void)
+void wxWindowDC::DestroyClippingRegion()

 {
 {

+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+

     wxDC::DestroyClippingRegion();
     wxDC::DestroyClippingRegion();

-  
+
+    if (!m_window) return;
+

     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 );
 }
 
     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 wxWindowDC::SetUpDC(void)
+void wxWindowDC::SetUpDC()

 {
     Destroy();
     m_ok = TRUE;
 {
     Destroy();
     m_ok = TRUE;


@@ -998,31 +1229,37 @@ void wxWindowDC::SetUpDC(void)
     m_brushGC = gdk_gc_new( m_window );
     m_textGC = gdk_gc_new( m_window );
     m_bgGC = gdk_gc_new( m_window );
     m_brushGC = gdk_gc_new( m_window );
     m_textGC = gdk_gc_new( m_window );
     m_bgGC = gdk_gc_new( m_window );

-    
+

     wxColour tmp_col( m_textForegroundColour );
     m_textForegroundColour = wxNullColour;
     SetTextForeground( tmp_col );
     tmp_col = m_textBackgroundColour;
     m_textBackgroundColour = wxNullColour;
     SetTextBackground( tmp_col );
     wxColour tmp_col( m_textForegroundColour );
     m_textForegroundColour = wxNullColour;
     SetTextForeground( tmp_col );
     tmp_col = m_textBackgroundColour;
     m_textBackgroundColour = wxNullColour;
     SetTextBackground( tmp_col );

-    
+

     wxPen tmp_pen( m_pen );
     m_pen = wxNullPen;
     SetPen( tmp_pen );
     wxPen tmp_pen( m_pen );
     m_pen = wxNullPen;
     SetPen( tmp_pen );

-    
+

     wxFont tmp_font( m_font );
     m_font = wxNullFont;
     SetFont( tmp_font );
     wxFont tmp_font( m_font );
     m_font = wxNullFont;
     SetFont( tmp_font );

-    
+

     wxBrush tmp_brush( m_brush );
     m_brush = wxNullBrush;
     SetBrush( tmp_brush );
     wxBrush tmp_brush( m_brush );
     m_brush = wxNullBrush;
     SetBrush( tmp_brush );

-    
+
+/*

     tmp_brush = m_backgroundBrush;
     m_backgroundBrush = wxNullBrush;
     SetBackground( tmp_brush );
     tmp_brush = m_backgroundBrush;
     m_backgroundBrush = wxNullBrush;
     SetBackground( tmp_brush );

-  
-    if (!hatch_bitmap) 
+*/
+    tmp_brush = m_backgroundBrush;
+    m_backgroundBrush = wxNullBrush;
+    SetBackground( *wxWHITE_BRUSH );
+    m_backgroundBrush = tmp_brush;
+
+    if (!hatch_bitmap)

     {
         hatch_bitmap    = hatches;
         hatch_bitmap[0] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, bdiag_bits, bdiag_width, bdiag_height );
     {
         hatch_bitmap    = hatches;
         hatch_bitmap[0] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, bdiag_bits, bdiag_width, bdiag_height );


@@ -1034,7 +1271,7 @@ void wxWindowDC::SetUpDC(void)
     }
 }
 
     }
 }
 

-void wxWindowDC::Destroy(void)
+void wxWindowDC::Destroy()

 {
     if (m_penGC) gdk_gc_unref( m_penGC );
     m_penGC = (GdkGC*) NULL;
 {
     if (m_penGC) gdk_gc_unref( m_penGC );
     m_penGC = (GdkGC*) NULL;


@@ -1046,16 +1283,45 @@ void wxWindowDC::Destroy(void)
     m_bgGC = (GdkGC*) NULL;
 }
 
     m_bgGC = (GdkGC*) NULL;
 }
 

-GdkWindow *wxWindowDC::GetWindow(void)
+void wxWindowDC::ComputeScaleAndOrigin()
+{
+    /* CMB: copy scale to see if it changes */
+    double origScaleX = m_scaleX;
+    double origScaleY = m_scaleY;
+
+    wxDC::ComputeScaleAndOrigin();
+
+    /* CMB: if scale has changed call SetPen to recalulate the line width */
+    if ((m_scaleX != origScaleX || m_scaleY != origScaleY) &&
+        (m_pen.Ok()))
+    {
+      /* this is a bit artificial, but we need to force wxDC to think
+         the pen has changed */
+      wxPen pen = m_pen;
+      m_pen = wxNullPen;
+      SetPen( pen );
+  }
+}
+
+// Resolution in pixels per logical inch
+wxSize wxWindowDC::GetPPI() const

 {
 {

-    return m_window;
+    return wxSize(100, 100);

 }
 
 }
 

+int wxWindowDC::GetDepth() const
+{
+    wxFAIL_MSG(wxT("not implemented"));
+
+    return -1;
+}
+
+#if wxUSE_SPLINES

 // ----------------------------------- spline code ----------------------------------------
 
 void wx_quadratic_spline(double a1, double b1, double a2, double b2,
                          double a3, double b3, double a4, double b4);
 // ----------------------------------- spline code ----------------------------------------
 
 void wx_quadratic_spline(double a1, double b1, double a2, double b2,
                          double a3, double b3, double a4, double b4);

-void wx_clear_stack(void);
+void wx_clear_stack();

 int wx_spline_pop(double *x1, double *y1, double *x2, double *y2, double *x3,
         double *y3, double *x4, double *y4);
 void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3,
 int wx_spline_pop(double *x1, double *y1, double *x2, double *y2, double *x3,
         double *y3, double *x4, double *y4);
 void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3,


@@ -1065,8 +1331,8 @@ static void wx_spline_draw_point_array(wxDC *dc);
 
 wxList wx_spline_point_list;
 
 
 wxList wx_spline_point_list;
 

-#define                half(z1, z2)    ((z1+z2)/2.0)
-#define                THRESHOLD       5
+#define                half(z1, z2)        ((z1+z2)/2.0)
+#define                THRESHOLD        5

 
 /* iterative version */
 
 
 /* iterative version */
 


@@ -1082,16 +1348,16 @@ void wx_quadratic_spline(double a1, double b1, double a2, double b2, double a3,
     while (wx_spline_pop(&x1, &y1, &x2, &y2, &x3, &y3, &x4, &y4)) {
         xmid = (double)half(x2, x3);
         ymid = (double)half(y2, y3);
     while (wx_spline_pop(&x1, &y1, &x2, &y2, &x3, &y3, &x4, &y4)) {
         xmid = (double)half(x2, x3);
         ymid = (double)half(y2, y3);

-       if (fabs(x1 - xmid) < THRESHOLD && fabs(y1 - ymid) < THRESHOLD &&
-           fabs(xmid - x4) < THRESHOLD && fabs(ymid - y4) < THRESHOLD) {
+        if (fabs(x1 - xmid) < THRESHOLD && fabs(y1 - ymid) < THRESHOLD &&
+            fabs(xmid - x4) < THRESHOLD && fabs(ymid - y4) < THRESHOLD) {

             wx_spline_add_point( x1, y1 );
             wx_spline_add_point( xmid, ymid );
             wx_spline_add_point( x1, y1 );
             wx_spline_add_point( xmid, ymid );

-       } else {
+        } else {

             wx_spline_push(xmid, ymid, (double)half(xmid, x3), (double)half(ymid, y3),
                  (double)half(x3, x4), (double)half(y3, y4), x4, y4);
             wx_spline_push(x1, y1, (double)half(x1, x2), (double)half(y1, y2),
                  (double)half(x2, xmid), (double)half(y2, ymid), xmid, ymid);
             wx_spline_push(xmid, ymid, (double)half(xmid, x3), (double)half(ymid, y3),
                  (double)half(x3, x4), (double)half(y3, y4), x4, y4);
             wx_spline_push(x1, y1, (double)half(x1, x2), (double)half(y1, y2),
                  (double)half(x2, xmid), (double)half(y2, ymid), xmid, ymid);

-       }
+        }

     }
 }
 
     }
 }
 


@@ -1106,7 +1372,7 @@ static Stack    wx_spline_stack[SPLINE_STACK_DEPTH];
 static Stack   *wx_stack_top;
 static int      wx_stack_count;
 
 static Stack   *wx_stack_top;
 static int      wx_stack_count;
 

-void wx_clear_stack(void)
+void wx_clear_stack()

 {
     wx_stack_top = wx_spline_stack;
     wx_stack_count = 0;
 {
     wx_stack_top = wx_spline_stack;
     wx_stack_count = 0;


@@ -1130,7 +1396,7 @@ int wx_spline_pop(double *x1, double *y1, double *x2, double *y2,
                   double *x3, double *y3, double *x4, double *y4)
 {
     if (wx_stack_count == 0)
                   double *x3, double *y3, double *x4, double *y4)
 {
     if (wx_stack_count == 0)

-       return (0);
+        return (0);

     wx_stack_top--;
     wx_stack_count--;
     *x1 = wx_stack_top->x1;
     wx_stack_top--;
     wx_stack_count--;
     *x1 = wx_stack_top->x1;


@@ -1166,8 +1432,10 @@ static void wx_spline_draw_point_array(wxDC *dc)
   }
 }
 
   }
 }
 

-void wxWindowDC::DrawSpline( wxList *points )
+void wxWindowDC::DoDrawSpline( wxList *points )

 {
 {

+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+

     wxPoint *p;
     double           cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;
     double           x1, y1, x2, y2;
     wxPoint *p;
     double           cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;
     double           x1, y1, x2, y2;


@@ -1193,10 +1461,10 @@ void wxWindowDC::DrawSpline( wxList *points )
     while ((node = node->Next()) != NULL)
     {
         p = (wxPoint *)node->Data();
     while ((node = node->Next()) != NULL)
     {
         p = (wxPoint *)node->Data();

-       x1 = x2;
-       y1 = y2;
-       x2 = p->x;
-       y2 = p->y;
+        x1 = x2;
+        y1 = y2;
+        x2 = p->x;
+        y2 = p->y;

         cx4 = (double)(x1 + x2) / 2;
         cy4 = (double)(y1 + y2) / 2;
         cx3 = (double)(x1 + cx4) / 2;
         cx4 = (double)(x1 + x2) / 2;
         cy4 = (double)(y1 + y2) / 2;
         cx3 = (double)(x1 + cx4) / 2;


@@ -1204,8 +1472,8 @@ void wxWindowDC::DrawSpline( wxList *points )
 
         wx_quadratic_spline(cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4);
 
 
         wx_quadratic_spline(cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4);
 

-       cx1 = cx4;
-       cy1 = cy4;
+        cx1 = cx4;
+        cy1 = cy4;

         cx2 = (double)(cx1 + x2) / 2;
         cy2 = (double)(cy1 + y2) / 2;
     }
         cx2 = (double)(cx1 + x2) / 2;
         cy2 = (double)(cy1 + y2) / 2;
     }


@@ -1216,6 +1484,7 @@ void wxWindowDC::DrawSpline( wxList *points )
     wx_spline_draw_point_array( this );
 }
 
     wx_spline_draw_point_array( this );
 }
 

+#endif // wxUSE_SPLINE

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


@@ -1223,7 +1492,7 @@ void wxWindowDC::DrawSpline( wxList *points )
 
 IMPLEMENT_DYNAMIC_CLASS(wxPaintDC,wxWindowDC)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxPaintDC,wxWindowDC)
 

-wxPaintDC::wxPaintDC(void)
+wxPaintDC::wxPaintDC()

   : wxWindowDC()
 {
 }
   : wxWindowDC()
 {
 }


@@ -1239,7 +1508,7 @@ wxPaintDC::wxPaintDC( wxWindow *win )
 
 IMPLEMENT_DYNAMIC_CLASS(wxClientDC,wxWindowDC)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxClientDC,wxWindowDC)
 

-wxClientDC::wxClientDC(void)
+wxClientDC::wxClientDC()

   : wxWindowDC()
 {
 }
   : wxWindowDC()
 {
 }