Fix broken and missing DataView interface items for Phoenix

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

diff --git a/src/gtk1/dcclient.cpp b/src/gtk1/dcclient.cpp
index 290d654ddf9646c05aeb2f56ddbe7bc9f7467e29..bff8a142c0f45b931da33c2228011c1a0230999c 100644 (file)
--- a/src/gtk1/dcclient.cpp
+++ b/src/gtk1/dcclient.cpp
@@ -1,19 +1,42 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        dcclient.cpp
+// Name:        src/gtk1/dcclient.cpp

 // Purpose:
 // Author:      Robert Roebling
 // RCS-ID:      $Id$
 // Purpose:
 // Author:      Robert Roebling
 // RCS-ID:      $Id$

-// Copyright:   (c) 1998 Robert Roebling, Markus Holzem, Chris Breeze
-// Licence:    wxWindows licence
+// Copyright:   (c) 1998 Robert Roebling, Chris Breeze
+// Licence:     wxWindows licence

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

-#ifdef __GNUG__
-#pragma implementation "dcclient.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __VMS
+#define XCopyPlane XCOPYPLANE
+#endif
+
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/math.h" // for floating-point functions
+    #include "wx/image.h"
+    #include "wx/module.h"

 #endif
 
 #endif
 

-#include "wx/dcclient.h"
-#include "wx/dcmemory.h"
-#include <math.h>
+#include "wx/fontutil.h"
+
+#include "wx/gtk1/win_gtk.h"
+#include "wx/gtk1/dcclient.h"
+#include "wx/gtk1/dcmemory.h"
+
+#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
+#include <gdk/gdkprivate.h>
+#include <gtk/gtk.h>
+
+//-----------------------------------------------------------------------------
+// local defines
+//-----------------------------------------------------------------------------
+
+#define USE_PAINT_REGION 1

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


@@ -27,360 +50,713 @@
 #include "cross.xbm"
 #define  num_hatches 6
 
 #include "cross.xbm"
 #define  num_hatches 6
 

+#define IS_15_PIX_HATCH(s) ((s)==wxCROSSDIAG_HATCH || (s)==wxHORIZONTAL_HATCH || (s)==wxVERTICAL_HATCH)
+#define IS_16_PIX_HATCH(s) ((s)!=wxCROSSDIAG_HATCH && (s)!=wxHORIZONTAL_HATCH && (s)!=wxVERTICAL_HATCH)
+
+

 static GdkPixmap  *hatches[num_hatches];
 static GdkPixmap **hatch_bitmap = (GdkPixmap **) NULL;
 
 static GdkPixmap  *hatches[num_hatches];
 static GdkPixmap **hatch_bitmap = (GdkPixmap **) NULL;
 

+extern GtkWidget *wxGetRootWindow();
+

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

-#define RAD2DEG 57.2957795131
+const double RAD2DEG  = 180.0 / M_PI;
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+static inline double dmax(double a, double b) { return a > b ? a : b; }
+static inline double dmin(double a, double b) { return a < b ? a : b; }
+
+static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }

 
 //-----------------------------------------------------------------------------
 // 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_wx_draw_bitmap(GdkDrawable  *drawable,
+                        GdkGC        *gc,
+                        GdkDrawable  *src,
+                        gint         xsrc,
+                        gint         ysrc,
+                        gint         xdest,
+                        gint         ydest,
+                        gint         width,
+                        gint         height)

 {
 {

+    wxCHECK_RET( drawable, wxT("NULL drawable in gdk_wx_draw_bitmap") );
+    wxCHECK_RET( src, wxT("NULL src in gdk_wx_draw_bitmap") );
+    wxCHECK_RET( gc, wxT("NULL gc in gdk_wx_draw_bitmap") );
+

     GdkWindowPrivate *drawable_private;
     GdkWindowPrivate *src_private;
     GdkGCPrivate *gc_private;
 
     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;
     drawable_private = (GdkWindowPrivate*) drawable;
     src_private = (GdkWindowPrivate*) src;
     if (drawable_private->destroyed || src_private->destroyed)
         return;

-       
+
+    gint src_width = src_private->width;
+    gint src_height = src_private->height;
+

     gc_private = (GdkGCPrivate*) gc;
 
     gc_private = (GdkGCPrivate*) gc;
 

-    if (width == -1) width = src_private->width;
-    if (height == -1) height = src_private->height;
+    if (width == -1) width = src_width;
+    if (height == -1) height = src_height;

 
     XCopyPlane( drawable_private->xdisplay,
 
     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 );

 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------

-// wxPaintDC
+// Implement Pool of Graphic contexts. Creating them takes too much time.

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

-IMPLEMENT_DYNAMIC_CLASS(wxPaintDC,wxDC)
+enum wxPoolGCType
+{
+   wxGC_ERROR = 0,
+   wxTEXT_MONO,
+   wxBG_MONO,
+   wxPEN_MONO,
+   wxBRUSH_MONO,
+   wxTEXT_COLOUR,
+   wxBG_COLOUR,
+   wxPEN_COLOUR,
+   wxBRUSH_COLOUR,
+   wxTEXT_SCREEN,
+   wxBG_SCREEN,
+   wxPEN_SCREEN,
+   wxBRUSH_SCREEN
+};
+
+struct wxGC
+{
+    GdkGC        *m_gc;
+    wxPoolGCType  m_type;
+    bool          m_used;
+};
+
+#define GC_POOL_ALLOC_SIZE 100
+
+static int wxGCPoolSize = 0;

 
 

-wxPaintDC::wxPaintDC(void)
+static wxGC *wxGCPool = NULL;
+
+static void wxInitGCPool()

 {
 {

-    m_penGC = (GdkGC *) NULL;
-    m_brushGC = (GdkGC *) NULL;
-    m_textGC = (GdkGC *) NULL;
-    m_bgGC = (GdkGC *) NULL;
-    m_cmap = (GdkColormap *) NULL;
-    m_isMemDC = FALSE;
+    // This really could wait until the first call to
+    // wxGetPoolGC, but we will make the first allocation
+    // now when other initialization is being performed.
+
+    // Set initial pool size.
+    wxGCPoolSize = GC_POOL_ALLOC_SIZE;
+
+    // Allocate initial pool.
+    wxGCPool = (wxGC *)malloc(wxGCPoolSize * sizeof(wxGC));
+    if (wxGCPool == NULL)
+    {
+        // If we cannot malloc, then fail with error
+        // when debug is enabled.  If debug is not enabled,
+        // the problem will eventually get caught
+        // in wxGetPoolGC.
+        wxFAIL_MSG( wxT("Cannot allocate GC pool") );
+        return;
+    }
+
+    // Zero initial pool.
+    memset(wxGCPool, 0, wxGCPoolSize * sizeof(wxGC));

 }
 
 }
 

-wxPaintDC::wxPaintDC( wxWindow *window )
+static void wxCleanUpGCPool()

 {
 {

-    m_penGC = (GdkGC *) NULL;
-    m_brushGC = (GdkGC *) NULL;
-    m_textGC = (GdkGC *) NULL;
-    m_bgGC = (GdkGC *) NULL;
-    m_cmap = (GdkColormap *) NULL;
-  
-    if (!window) return;
+    for (int i = 0; i < wxGCPoolSize; i++)
+    {
+        if (wxGCPool[i].m_gc)
+            gdk_gc_unref( wxGCPool[i].m_gc );
+    }
+
+    free(wxGCPool);
+    wxGCPool = NULL;
+    wxGCPoolSize = 0;
+}
+
+static GdkGC* wxGetPoolGC( GdkWindow *window, wxPoolGCType type )
+{
+    wxGC *pptr;
+
+    // Look for an available GC.
+    for (int i = 0; i < wxGCPoolSize; i++)
+    {
+        if (!wxGCPool[i].m_gc)
+        {
+            wxGCPool[i].m_gc = gdk_gc_new( window );
+            gdk_gc_set_exposures( wxGCPool[i].m_gc, FALSE );
+            wxGCPool[i].m_type = type;
+            wxGCPool[i].m_used = false;
+        }
+        if ((!wxGCPool[i].m_used) && (wxGCPool[i].m_type == type))
+        {
+            wxGCPool[i].m_used = true;
+            return wxGCPool[i].m_gc;
+        }
+    }
+
+    // We did not find an available GC.
+    // We need to grow the GC pool.
+    pptr = (wxGC *)realloc(wxGCPool,
+        (wxGCPoolSize + GC_POOL_ALLOC_SIZE)*sizeof(wxGC));
+    if (pptr != NULL)
+    {
+        // Initialize newly allocated pool.
+        wxGCPool = pptr;
+        memset(&wxGCPool[wxGCPoolSize], 0,
+            GC_POOL_ALLOC_SIZE*sizeof(wxGC));
+
+        // Initialize entry we will return.
+        wxGCPool[wxGCPoolSize].m_gc = gdk_gc_new( window );
+        gdk_gc_set_exposures( wxGCPool[wxGCPoolSize].m_gc, FALSE );
+        wxGCPool[wxGCPoolSize].m_type = type;
+        wxGCPool[wxGCPoolSize].m_used = true;
+
+        // Set new value of pool size.
+        wxGCPoolSize += GC_POOL_ALLOC_SIZE;
+
+        // Return newly allocated entry.
+        return wxGCPool[wxGCPoolSize-GC_POOL_ALLOC_SIZE].m_gc;
+    }
+
+    // The realloc failed.  Fall through to error.
+    wxFAIL_MSG( wxT("No GC available") );
+
+    return NULL;
+}
+
+static void wxFreePoolGC( GdkGC *gc )
+{
+    for (int i = 0; i < wxGCPoolSize; i++)
+    {
+        if (wxGCPool[i].m_gc == gc)
+        {
+            wxGCPool[i].m_used = false;
+            return;
+        }
+    }
+
+    wxFAIL_MSG( wxT("Wrong GC") );
+}
+
+//-----------------------------------------------------------------------------
+// wxWindowDCImpl
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxWindowDCImpl, wxDC)
+
+wxWindowDCImpl::wxWindowDCImpl(wxDC *owner)
+              : wxGTKDCImpl(owner)
+{
+    m_penGC = NULL;
+    m_brushGC = NULL;
+    m_textGC = NULL;
+    m_bgGC = NULL;
+    m_cmap = NULL;
+    m_isMemDC = false;
+    m_isScreenDC = false;
+    m_owner = NULL;
+}
+
+wxWindowDCImpl::wxWindowDCImpl(wxDC *owner, wxWindow *window)
+              : wxGTKDCImpl(owner)
+{
+    wxASSERT_MSG( window, wxT("DC needs a window") );
+
+    m_penGC = NULL;
+    m_brushGC = NULL;
+    m_textGC = NULL;
+    m_bgGC = NULL;
+    m_cmap = NULL;
+    m_owner = NULL;
+    m_isMemDC = false;
+    m_isScreenDC = false;
+    m_font = window->GetFont();
+

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

-    if (!widget) return;
-    m_window = widget->window;
-    if (!m_window) return;
-    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;
-        
+
+    // Some controls don't have m_wxwindow - like wxStaticBox, but the user
+    // code should still be able to create wxClientDCs for them, so we will
+    // use the parent window here then.
+    if ( !widget )
+    {
+        window = window->GetParent();
+        widget = window->m_wxwindow;
+    }
+
+    wxASSERT_MSG( widget, wxT("DC needs a widget") );
+
+    GtkPizza *pizza = GTK_PIZZA( widget );
+    m_window = pizza->bin_window;
+
+    // Window not realized ?
+    if (!m_window)
+    {
+         // Don't report problems as per MSW.
+         m_ok = true;
+
+         return;
+    }
+
+    m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget );
+

     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;

 }
 
 }
 

-wxPaintDC::~wxPaintDC(void)
+wxWindowDCImpl::~wxWindowDCImpl()

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

-void wxPaintDC::FloodFill( long WXUNUSED(x1), long WXUNUSED(y1), 
-                           wxColour *WXUNUSED(col), int WXUNUSED(style) )
+void wxWindowDCImpl::SetUpDC()
+{
+    m_ok = true;
+
+    wxASSERT_MSG( !m_penGC, wxT("GCs already created") );
+
+    if (m_isScreenDC)
+    {
+        m_penGC = wxGetPoolGC( m_window, wxPEN_SCREEN );
+        m_brushGC = wxGetPoolGC( m_window, wxBRUSH_SCREEN );
+        m_textGC = wxGetPoolGC( m_window, wxTEXT_SCREEN );
+        m_bgGC = wxGetPoolGC( m_window, wxBG_SCREEN );
+    }
+    else if (m_isMemDC && (((wxMemoryDCImpl*)this)->m_selected.GetDepth() == 1))
+    {
+        m_penGC = wxGetPoolGC( m_window, wxPEN_MONO );
+        m_brushGC = wxGetPoolGC( m_window, wxBRUSH_MONO );
+        m_textGC = wxGetPoolGC( m_window, wxTEXT_MONO );
+        m_bgGC = wxGetPoolGC( m_window, wxBG_MONO );
+    }
+    else
+    {
+        m_penGC = wxGetPoolGC( m_window, wxPEN_COLOUR );
+        m_brushGC = wxGetPoolGC( m_window, wxBRUSH_COLOUR );
+        m_textGC = wxGetPoolGC( m_window, wxTEXT_COLOUR );
+        m_bgGC = wxGetPoolGC( m_window, wxBG_COLOUR );
+    }
+
+    /* background colour */
+    m_backgroundBrush = *wxWHITE_BRUSH;
+    m_backgroundBrush.GetColour().CalcPixel( m_cmap );
+    GdkColor *bg_col = m_backgroundBrush.GetColour().GetColor();
+
+    /* m_textGC */
+    m_textForegroundColour.CalcPixel( m_cmap );
+    gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+
+    m_textBackgroundColour.CalcPixel( m_cmap );
+    gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
+
+    gdk_gc_set_fill( m_textGC, GDK_SOLID );
+
+    /* m_penGC */
+    m_pen.GetColour().CalcPixel( m_cmap );
+    gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() );
+    gdk_gc_set_background( m_penGC, bg_col );
+
+    gdk_gc_set_line_attributes( m_penGC, 0, GDK_LINE_SOLID, GDK_CAP_NOT_LAST, GDK_JOIN_ROUND );
+
+    /* m_brushGC */
+    m_brush.GetColour().CalcPixel( m_cmap );
+    gdk_gc_set_foreground( m_brushGC, m_brush.GetColour().GetColor() );
+    gdk_gc_set_background( m_brushGC, bg_col );
+
+    gdk_gc_set_fill( m_brushGC, GDK_SOLID );
+
+    /* m_bgGC */
+    gdk_gc_set_background( m_bgGC, bg_col );
+    gdk_gc_set_foreground( m_bgGC, bg_col );
+
+    gdk_gc_set_fill( m_bgGC, GDK_SOLID );
+
+    /* ROPs */
+    gdk_gc_set_function( m_textGC, GDK_COPY );
+    gdk_gc_set_function( m_brushGC, GDK_COPY );
+    gdk_gc_set_function( m_penGC, GDK_COPY );
+
+    /* clipping */
+    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 );
+
+    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 );
+    }
+}
+
+void wxWindowDCImpl::DoGetSize( int* width, int* height ) const
+{
+    wxCHECK_RET( m_owner, wxT("GetSize() doesn't work without window") );
+
+    m_owner->GetSize(width, height);
+}
+
+extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
+                          const wxColour & col, wxFloodFillStyle style);
+
+bool wxWindowDCImpl::DoFloodFill(wxCoord x, wxCoord y,
+                             const wxColour& col, wxFloodFillStyle style)

 {
 {

-    wxFAIL_MSG( "wxPaintDC::FloodFill not implemented" );
+    return wxDoFloodFill(GetOwner(), x, y, col, style);

 }
 
 }
 

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

 {
 {

-    wxFAIL_MSG( "wxPaintDC::GetPixel not implemented" );
-    return FALSE;
+    // Generic (and therefore rather inefficient) method.
+    // Could be improved.
+    wxMemoryDC memdc;
+    wxBitmap bitmap(1, 1);
+    memdc.SelectObject(bitmap);
+    memdc.Blit(0, 0, 1, 1, GetOwner(), x1, y1);
+    memdc.SelectObject(wxNullBitmap);
+
+    wxImage image = bitmap.ConvertToImage();
+    col->Set(image.GetRed(0, 0), image.GetGreen(0, 0), image.GetBlue(0, 0));
+    return true;

 }
 
 }
 

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

 {
 {

-    if (!Ok()) return;
-  
+    wxCHECK_RET( IsOk(), 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 wxPaintDC::CrossHair( long x, long y )
+void wxWindowDCImpl::DoCrossHair( wxCoord x, wxCoord y )

 {
 {

-    if (!Ok()) return;
-  
+    wxCHECK_RET( IsOk(), 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 wxPaintDC::DrawArc( long x1, long y1, long x2, long y2, double xc, double yc )
+void wxWindowDCImpl::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( IsOk(), 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 ( wxIsNullDouble(radius) )

     {
     {

-        radius1 = radius2 = 0.0;
-    } 
-    else 
+        radius1 =
+        radius2 = 0.0;
+    }
+    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)
+        {
+            if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+            {
+                gdk_gc_set_ts_origin( m_textGC,
+                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+                gdk_draw_arc( m_window, m_textGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+                gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+            } else
+            if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+            {
+                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+                gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+            } else
+            if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+            {
+                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+                gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+            } else
+            if (m_brush.GetStyle() == wxSTIPPLE)
+            {
+                gdk_gc_set_ts_origin( m_brushGC,
+                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+                gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+            }
+            else
+            {
+                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 );
+
+            gdk_draw_line( m_window, m_penGC, xx1, yy1, xxc, yyc );
+            gdk_draw_line( m_window, m_penGC, xxc, yyc, xx2, yy2 );
+        }
+    }
+

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

-void wxPaintDC::DrawEllipticArc( long x, long y, long width, long height, double sa, double ea )
+void wxWindowDCImpl::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( IsOk(), 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-sa) * 64.0);
+
+        if (m_brush.GetStyle() != wxTRANSPARENT)
+        {
+            if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+            {
+                gdk_gc_set_ts_origin( m_textGC,
+                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+                gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy, ww, hh, start, end );
+                gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+            } else
+            if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+            {
+                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+                gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
+                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+            } else
+            if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+            {
+                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+                gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
+                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+            } else
+            if (m_brush.GetStyle() == wxSTIPPLE)
+            {
+                gdk_gc_set_ts_origin( m_brushGC,
+                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+                gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
+                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+            }
+            else
+            {
+                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 wxPaintDC::DrawPoint( long x, long y )
+void wxWindowDCImpl::DoDrawPoint( wxCoord x, wxCoord y )

 {
 {

-    if (!Ok()) return;
-  
-    if (m_pen.GetStyle() != wxTRANSPARENT)
+    wxCHECK_RET( IsOk(), 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 wxPaintDC::DrawLines( int n, wxPoint points[], long xoffset, long yoffset )
+void wxWindowDCImpl::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset )

 {
 {

-    if (!Ok()) return;
-  
+    wxCHECK_RET( IsOk(), 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 );
-    
-    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 );
-       
-        CalcBoundingBox( points[i+1].x + xoffset, points[i+1].y + yoffset );
+
+
+    GdkPoint * const gpts = new GdkPoint[n];
+    if ( !gpts )
+    {
+        wxFAIL_MSG( wxT("Cannot allocate PolyLine") );
+        return;

     }
     }

-}

 
 

-void wxPaintDC::DrawLines( wxList *points, long xoffset, long yoffset )
-{
-    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 );
+    for (int i = 0; i < n; i++)
+    {
+        wxCoord x = points[i].x + xoffset,
+                y = points[i].y + yoffset;
+
+        CalcBoundingBox(x + xoffset, y + yoffset);
+
+        gpts[i].x = XLOG2DEV(x);
+        gpts[i].y = YLOG2DEV(y);

     }
     }

+
+    gdk_draw_lines( m_window, m_penGC, gpts, n);
+
+    delete[] gpts;

 }
 
 }
 

-void wxPaintDC::DrawPolygon( int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle) )
+void wxWindowDCImpl::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, wxPolygonFillMode 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);
-       
-        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);
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+    if (n <= 0) return;
+
+    GdkPoint * const gpts = new GdkPoint[n];
+
+    for (int i = 0 ; i < n ; i++)
+    {
+        wxCoord x = points[i].x + xoffset,
+                y = points[i].y + yoffset;
+
+        CalcBoundingBox(x + xoffset, y + yoffset);
+
+        gpts[i].x = XLOG2DEV(x);
+        gpts[i].y = YLOG2DEV(y);
+    }
+
+    if (m_brush.GetStyle() == wxSOLID)
+    {
+        gdk_draw_polygon( m_window, m_brushGC, TRUE, gpts, n );
+    }
+    else if (m_brush.GetStyle() != wxTRANSPARENT)
+    {
+        if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+        {
+            gdk_gc_set_ts_origin( m_textGC,
+                                  m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+                                  m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+            gdk_draw_polygon( m_window, m_textGC, TRUE, gpts, n );
+            gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+        } else
+        if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+        {
+            gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+            gdk_draw_polygon( m_window, m_brushGC, TRUE, gpts, n );
+            gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+        } else
+        if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+        {
+            gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+            gdk_draw_polygon( m_window, m_brushGC, TRUE, gpts, n );
+            gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+        } else
+        if (m_brush.GetStyle() == wxSTIPPLE)
+        {
+            gdk_gc_set_ts_origin( m_brushGC,
+                                  m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+                                  m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+            gdk_draw_polygon( m_window, m_brushGC, TRUE, gpts, n );
+            gdk_gc_set_ts_origin( m_brushGC, 0, 0 );

         }
         }

-       
-    delete[] gdkpoints;
-}
+        else
+        {
+            gdk_draw_polygon( m_window, m_brushGC, TRUE, gpts, n );
+        }
+    }

 
 

-void wxPaintDC::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)
-        gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n);
-       
-    // To do: Fillstyle
-    

     if (m_pen.GetStyle() != wxTRANSPARENT)
     {
     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 );
-        }
+        gdk_draw_polygon( m_window, m_penGC, FALSE, gpts, n );
+

     }
     }

-    delete[] gdkpoints;
+
+    delete[] gpts;

 }
 
 }
 

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

 {
 {

-    if (!Ok()) return;
+    wxCHECK_RET( IsOk(), 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;
 


@@ -388,27 +764,63 @@ void wxPaintDC::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)
+        {
+            if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+            {
+                gdk_gc_set_ts_origin( m_textGC,
+                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+                gdk_draw_rectangle( m_window, m_textGC, TRUE, xx, yy, ww, hh );
+                gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+            } else
+            if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+            {
+                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+                gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
+                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+            } else
+            if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+            {
+                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+                gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
+                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+            } else
+            if (m_brush.GetStyle() == wxSTIPPLE)
+            {
+                gdk_gc_set_ts_origin( m_brushGC,
+                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+                gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
+                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+            }
+            else
+            {
+                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 wxPaintDC::DrawRoundedRectangle( long x, long y, long width, long height, double radius )
+void wxWindowDCImpl::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius )

 {
 {

-    if (!Ok()) return;
-  
+    wxCHECK_RET( IsOk(), 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; }


@@ -418,7 +830,7 @@ void wxPaintDC::DrawRoundedRectangle( long x, long y, long width, long height, d
     // X drawing errors with small radii
     if (rr == 0)
     {
     // X drawing errors with small radii
     if (rr == 0)
     {

-        DrawRectangle( x, y, width, height );
+        DoDrawRectangle( x, y, width, height );

         return;
     }
 
         return;
     }
 


@@ -433,477 +845,1138 @@ void wxPaintDC::DrawRoundedRectangle( long x, long y, long width, long height, d
         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 );
+        // 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)
+        {
+            if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+            {
+                gdk_gc_set_ts_origin( m_textGC,
+                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+                gdk_draw_rectangle( m_window, m_textGC, TRUE, xx+rr, yy, ww-dd+1, hh );
+                gdk_draw_rectangle( m_window, m_textGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
+                gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
+                gdk_draw_arc( m_window, m_textGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
+                gdk_draw_arc( m_window, m_textGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
+                gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+                gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+            } else
+            if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+            {
+                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+                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_gc_set_ts_origin( m_brushGC, 0, 0 );
+            } else
+            if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+            {
+                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+                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_gc_set_ts_origin( m_brushGC, 0, 0 );
+            } else
+            if (m_brush.GetStyle() == wxSTIPPLE)
+            {
+                gdk_gc_set_ts_origin( m_brushGC,
+                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+                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_gc_set_ts_origin( m_brushGC, 0, 0 );
+            }
+            else
+            {
+                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+1, yy, xx+ww-rr, yy );
+            gdk_draw_line( m_window, m_penGC, xx+rr+1, yy+hh, xx+ww-rr, yy+hh );
+            gdk_draw_line( m_window, m_penGC, xx, yy+rr+1, xx, yy+hh-rr );
+            gdk_draw_line( m_window, m_penGC, xx+ww, yy+rr+1, 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 );
+        }

     }
     }

-  
-    if (m_pen.GetStyle() != wxTRANSPARENT)
+
+    // this ignores the radius
+    CalcBoundingBox( x, y );
+    CalcBoundingBox( x + width, y + height );
+}
+
+void wxWindowDCImpl::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+{
+    wxCHECK_RET( IsOk(), 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; }
+
+    if (m_window)

     {
     {

-        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 );
+        if (m_brush.GetStyle() != wxTRANSPARENT)
+        {
+            if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+            {
+                gdk_gc_set_ts_origin( m_textGC,
+                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+                gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
+                gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+            } else
+            if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+            {
+                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+                gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
+                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+            } else
+            if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+            {
+                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+                gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
+                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+            } else
+            if (m_brush.GetStyle() == wxSTIPPLE)
+            {
+                gdk_gc_set_ts_origin( m_brushGC,
+                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+                gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
+                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+            }
+            else
+            {
+                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 );

     }
     }

-    
-    // this ignores the radius
+

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

-void wxPaintDC::DrawEllipse( long x, long y, long width, long height )
+void wxWindowDCImpl::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
+{
+    // VZ: egcs 1.0.3 refuses to compile this without cast, no idea why
+    DoDrawBitmap( (const wxBitmap&)icon, x, y, true );
+}
+
+void wxWindowDCImpl::DoDrawBitmap( const wxBitmap &bitmap,
+                               wxCoord x, wxCoord y,
+                               bool useMask )
+{
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+    wxCHECK_RET( bitmap.IsOk(), wxT("invalid bitmap") );
+
+    bool is_mono = (bitmap.GetBitmap() != NULL);
+
+    // scale/translate size and position
+    int xx = XLOG2DEV(x);
+    int yy = YLOG2DEV(y);
+
+    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);
+
+    // compare to current clipping region
+    if (!m_currentClippingRegion.IsNull())
+    {
+        wxRegion tmp( xx,yy,ww,hh );
+        tmp.Intersect( m_currentClippingRegion );
+        if (tmp.IsEmpty())
+            return;
+    }
+
+    // scale bitmap if required
+    wxBitmap use_bitmap = bitmap;
+    if ((w != ww) || (h != hh))
+        use_bitmap = use_bitmap.Rescale( 0, 0, ww, hh, ww, hh );
+
+    // NB: We can't render pixbufs with GTK+ < 2.2, we need to use pixmaps code.
+    //     Pixbufs-based bitmaps with alpha channel don't have a mask, so we
+    //     have to call GetPixmap() here -- it converts the pixbuf into pixmap
+    //     and also creates the mask as a side-effect:
+    use_bitmap.GetPixmap();
+
+    // apply mask if any
+    GdkBitmap *mask = NULL;
+    if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
+
+    GdkBitmap *new_mask = NULL;
+
+    if (useMask && mask)
+    {
+        if (!m_currentClippingRegion.IsNull())
+        {
+            GdkColor col;
+            new_mask = gdk_pixmap_new( wxGetRootWindow()->window, ww, hh, 1 );
+            GdkGC *gc = gdk_gc_new( new_mask );
+            col.pixel = 0;
+            gdk_gc_set_foreground( gc, &col );
+            gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh );
+            col.pixel = 0;
+            gdk_gc_set_background( gc, &col );
+            col.pixel = 1;
+            gdk_gc_set_foreground( gc, &col );
+            gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() );
+            gdk_gc_set_clip_origin( gc, -xx, -yy );
+            gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED );
+            gdk_gc_set_stipple( gc, mask );
+            gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh );
+            gdk_gc_unref( gc );
+        }
+
+        if (is_mono)
+        {
+            if (new_mask)
+                gdk_gc_set_clip_mask( m_textGC, new_mask );
+            else
+                gdk_gc_set_clip_mask( m_textGC, mask );
+            gdk_gc_set_clip_origin( m_textGC, xx, yy );
+        }
+        else
+        {
+            if (new_mask)
+                gdk_gc_set_clip_mask( m_penGC, new_mask );
+            else
+                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. For
+    // drawing a mono-bitmap (XBitmap) we use the current text GC
+    if (is_mono)
+    {
+        gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), 0, 0, xx, yy, -1, -1 );
+    }
+    else
+    {
+        gdk_draw_pixmap(m_window, m_penGC,
+                        use_bitmap.GetPixmap(),
+                        0, 0, xx, yy, -1, -1);
+    }
+
+    // remove mask again if any
+    if (useMask && mask)
+    {
+        if (is_mono)
+        {
+            gdk_gc_set_clip_mask( m_textGC, NULL );
+            gdk_gc_set_clip_origin( m_textGC, 0, 0 );
+            if (!m_currentClippingRegion.IsNull())
+                gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
+        }
+        else
+        {
+            gdk_gc_set_clip_mask( m_penGC, NULL );
+            gdk_gc_set_clip_origin( m_penGC, 0, 0 );
+            if (!m_currentClippingRegion.IsNull())
+                gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
+        }
+    }
+
+    if (new_mask)
+        gdk_bitmap_unref( new_mask );
+}
+
+bool wxWindowDCImpl::DoBlit( wxCoord xdest, wxCoord ydest,
+                             wxCoord width, wxCoord height,
+                             wxDC *source,
+                             wxCoord xsrc, wxCoord ysrc,
+                             wxRasterOperationMode logical_func,
+                             bool useMask,
+                             wxCoord xsrcMask, wxCoord ysrcMask )

 {
 {

-    if (!Ok()) return;
-  
-    long xx = XLOG2DEV(x);    
-    long yy = YLOG2DEV(y);
-    long ww = m_signX * XLOG2DEVREL(width); 
-    long hh = m_signY * YLOG2DEVREL(height);
+    wxCHECK_MSG( IsOk(), false, wxT("invalid window dc") );
+
+    wxCHECK_MSG( source, false, wxT("invalid source dc") );
+
+    if (!m_window) return false;
+
+    // transform the source DC coords to the device ones
+    xsrc = source->LogicalToDeviceX(xsrc);
+    ysrc = source->LogicalToDeviceY(ysrc);
+
+    wxWindowDCImpl *srcDC = wxDynamicCast(source->GetImpl(), wxWindowDCImpl);
+    wxCHECK_MSG( srcDC, false, "source must be a window DC" );
+
+    // FIXME: this cast is not always valid, see the code using m_isMemDC
+    wxMemoryDCImpl *memDC = static_cast<wxMemoryDCImpl *>(srcDC);
+
+    bool use_bitmap_method = false;
+    bool is_mono = false;
+
+    if (xsrcMask == -1 && ysrcMask == -1)
+    {
+        xsrcMask = xsrc;
+        ysrcMask = ysrc;
+    }
+
+    if (srcDC->m_isMemDC)
+    {
+        if (!memDC->m_selected.IsOk()) return false;
+
+        is_mono = (memDC->m_selected.GetDepth() == 1);
+
+        // we use the "XCopyArea" way to copy a memory dc into
+        // a 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 (is_mono)
+        {
+            // 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 );

 
 

-    // 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 );
-       
-    CalcBoundingBox( x, y );
-    CalcBoundingBox( x + width, y + height );
-}
+    // scale/translate size and position
+    wxCoord xx = XLOG2DEV(xdest);
+    wxCoord yy = YLOG2DEV(ydest);

 
 

-bool wxPaintDC::CanDrawBitmap(void) const
-{
-  return TRUE;
-}
+    wxCoord ww = XLOG2DEVREL(width);
+    wxCoord hh = YLOG2DEVREL(height);

 
 

-void wxPaintDC::DrawIcon( const wxIcon &icon, long x, long y, bool useMask )
-{
-    if (!Ok()) return;
-  
-    if (!icon.Ok()) return;
-  
-    int xx = XLOG2DEV(x);
-    int yy = YLOG2DEV(y);
-  
-    GdkBitmap *mask = (GdkBitmap *) NULL;
-    if (icon.GetMask()) mask = icon.GetMask()->GetBitmap();
-    
-    if (useMask && mask) 
+    // compare to current clipping region
+    if (!m_currentClippingRegion.IsNull())

     {
     {

-        gdk_gc_set_clip_mask( m_penGC, mask );
-        gdk_gc_set_clip_origin( m_penGC, xx, yy );
+        wxRegion tmp( xx,yy,ww,hh );
+        tmp.Intersect( m_currentClippingRegion );
+        if (tmp.IsEmpty())
+            return true;

     }
     }

-  
-    GdkPixmap *pm = icon.GetPixmap();
-    gdk_draw_pixmap( m_window, m_penGC, pm, 0, 0, xx, yy, -1, -1 );
-  
-    if (useMask && mask) 
+
+    wxRasterOperationMode old_logical_func = m_logicalFunction;
+    SetLogicalFunction( logical_func );
+
+    if (use_bitmap_method)

     {
     {

-        gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
-        gdk_gc_set_clip_origin( m_penGC, 0, 0 );
-    }
-    
-    CalcBoundingBox( x, y );
-    int width = icon.GetWidth();
-    int height = icon.GetHeight();
-    CalcBoundingBox( x + width, y + height );
-}
+        // scale/translate bitmap size
+        wxCoord bm_width = memDC->m_selected.GetWidth();
+        wxCoord bm_height = memDC->m_selected.GetHeight();
+
+        // Get clip coords for the bitmap. If we don't
+        // use wxBitmap::Rescale(), which can clip the
+        // bitmap, these are the same as the original
+        // coordinates
+        wxCoord cx = xx;
+        wxCoord cy = yy;
+        wxCoord cw = ww;
+        wxCoord ch = hh;
+
+        // interpret userscale of src too
+        double xsc,ysc;
+        memDC->GetUserScale(&xsc,&ysc);
+        bm_width = (int) (bm_width / xsc);
+        bm_height = (int) (bm_height / ysc);
+
+        wxCoord bm_ww = XLOG2DEVREL( bm_width );
+        wxCoord bm_hh = YLOG2DEVREL( bm_height );
+
+        // Scale bitmap if required
+        wxBitmap use_bitmap;
+        if ((memDC->m_selected.GetWidth()!= bm_ww) || ( memDC->m_selected.GetHeight()!= bm_hh))
+        {
+            // This indicates that the blitting code below will get
+            // a clipped bitmap and therefore needs to move the origin
+            // accordingly
+            wxRegion tmp( xx,yy,ww,hh );
+            tmp.Intersect( m_currentClippingRegion );
+            tmp.GetBox(cx,cy,cw,ch);
+
+            // Scale and clipped bitmap
+            use_bitmap = memDC->m_selected.Rescale(cx-xx,cy-yy,cw,ch,bm_ww,bm_hh);
+        }
+        else
+        {
+            // Don't scale bitmap
+            use_bitmap = memDC->m_selected;
+        }

 
 

-bool wxPaintDC::Blit( long xdest, long ydest, long width, long height,
-       wxDC *source, long xsrc, long ysrc, int WXUNUSED(logical_func), bool useMask )
-{
-    if (!Ok()) return FALSE;
-    
-    CalcBoundingBox( xdest, ydest );
-    CalcBoundingBox( xdest + width, ydest + height );
-    
-    wxClientDC *csrc = (wxClientDC*)source;
-  
-    if (csrc->m_isMemDC)
-    {
-        wxMemoryDC* srcDC = (wxMemoryDC*)source;
-        GdkPixmap* pmap = srcDC->m_selected.GetPixmap();
-        if (pmap)
+        // apply mask if any
+        GdkBitmap *mask = NULL;
+        if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
+
+        GdkBitmap *new_mask = NULL;
+
+        if (useMask && mask)

         {
         {

-            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) 
+            if (!m_currentClippingRegion.IsNull())

             {
             {

-                gdk_gc_set_clip_mask( m_textGC, mask );
-                gdk_gc_set_clip_origin( m_textGC, xx, yy );
+                GdkColor col;
+                new_mask = gdk_pixmap_new( wxGetRootWindow()->window, bm_ww, bm_hh, 1 );
+                GdkGC *gc = gdk_gc_new( new_mask );
+                col.pixel = 0;
+                gdk_gc_set_foreground( gc, &col );
+                gdk_gc_set_ts_origin( gc, -xsrcMask, -ysrcMask);
+                gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh );
+                col.pixel = 0;
+                gdk_gc_set_background( gc, &col );
+                col.pixel = 1;
+                gdk_gc_set_foreground( gc, &col );
+                gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() );
+                // was: gdk_gc_set_clip_origin( gc, -xx, -yy );
+                gdk_gc_set_clip_origin( gc, -cx, -cy );
+                gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED );
+                gdk_gc_set_stipple( gc, mask );
+                gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh );
+                gdk_gc_unref( gc );

             }
             }

-           
-            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) 
+
+            if (is_mono)

             {
             {

-                gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL );
-                gdk_gc_set_clip_origin( m_textGC, 0, 0 );
+                if (new_mask)
+                {
+                    gdk_gc_set_clip_mask( m_textGC, new_mask );
+                    gdk_gc_set_clip_origin( m_textGC, cx, cy );
+                }
+                else
+                {
+                    gdk_gc_set_clip_mask( m_textGC, mask );
+                    gdk_gc_set_clip_origin( m_textGC, cx-xsrcMask, cy-ysrcMask );
+                }

             }
             }

-      
-            return TRUE;
+            else
+            {
+                if (new_mask)
+                {
+                    gdk_gc_set_clip_mask( m_penGC, new_mask );
+                    gdk_gc_set_clip_origin( m_penGC, cx, cy );
+                }
+                else
+                {
+                    gdk_gc_set_clip_mask( m_penGC, mask );
+                    gdk_gc_set_clip_origin( m_penGC, cx-xsrcMask, cy-ysrcMask );
+                }
+            }
+        }
+
+        // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
+        // drawing a mono-bitmap (XBitmap) we use the current text GC
+
+        if (is_mono)
+        {
+            // was: gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, xx, yy, ww, hh );
+            gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, cx, cy, cw, ch );
+        }
+        else
+        {
+            // was: gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, xx, yy, ww, hh );
+            gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, cx, cy, cw, ch );

         }
         }

-       
-        GdkBitmap* bmap = srcDC->m_selected.GetBitmap();
-        if (bmap)
+
+        // remove mask again if any
+        if (useMask && mask)

         {
         {

-            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) 
+            if (is_mono)

             {
             {

-                gdk_gc_set_clip_mask( m_textGC, mask );
-                gdk_gc_set_clip_origin( m_textGC, xx, yy );
+                gdk_gc_set_clip_mask( m_textGC, NULL );
+                gdk_gc_set_clip_origin( m_textGC, 0, 0 );
+                if (!m_currentClippingRegion.IsNull())
+                    gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );

             }
             }

-  
-            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) 
+            else

             {
             {

-                gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL );
-                gdk_gc_set_clip_origin( m_textGC, 0, 0 );
+                gdk_gc_set_clip_mask( m_penGC, NULL );
+                gdk_gc_set_clip_origin( m_penGC, 0, 0 );
+                if (!m_currentClippingRegion.IsNull())
+                    gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );

             }
             }

-      
-            return TRUE;
+        }
+
+        if (new_mask)
+            gdk_bitmap_unref( new_mask );
+    }
+    else // use_bitmap_method
+    {
+        if ((width != ww) || (height != hh))
+        {
+            // get clip coords
+            wxRegion tmp( xx,yy,ww,hh );
+            tmp.Intersect( m_currentClippingRegion );
+            wxCoord cx,cy,cw,ch;
+            tmp.GetBox(cx,cy,cw,ch);
+
+            // rescale bitmap
+            wxBitmap bitmap = memDC->m_selected.Rescale( cx-xx, cy-yy, cw, ch, ww, hh );
+
+            // draw scaled bitmap
+            // was: gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
+            gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, cx, cy, -1, -1 );
+        }
+        else
+        {
+            // No scaling and not a memory dc with a mask either
+
+            // copy including child window contents
+            gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
+            gdk_window_copy_area( m_window, m_penGC, xx, yy,
+                                  srcDC->GetWindow(),
+                                  xsrc, ysrc, width, height );
+            gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );

         }
     }
 
         }
     }
 

-    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;
+    SetLogicalFunction( old_logical_func );
+
+    return true;

 }
 
 }
 

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

 {
 {

-    if (!Ok()) return;
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+    if (!m_window) return;
+
+    if (text.empty()) 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
-    if (m_backgroundMode == wxSOLID)
+    wxCoord width = gdk_string_width( font, text.mbc_str() );
+    wxCoord height = font->ascent + font->descent;
+
+    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_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 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;
-    GetTextExtent (text, &w, &h);
-    CalcBoundingBox (x + w, y + h);
+
+    width = wxCoord(width / m_scaleX);
+    height = wxCoord(height / m_scaleY);
+    CalcBoundingBox (x + width, y + height);

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

-bool wxPaintDC::CanGetTextExtent(void) const
+
+// TODO: There is an example of rotating text with GTK2 that would probably be
+// a better approach here:
+//           http://www.daa.com.au/pipermail/pygtk/2003-April/005052.html
+
+void wxWindowDCImpl::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle )

 {
 {

-    return TRUE;
+    if ( wxIsNullDouble(angle) )
+    {
+        DoDrawText(text, x, y);
+        return;
+    }
+
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+    if (!m_window) return;
+
+    wxCoord w;
+    wxCoord h;
+
+    GdkFont *font = m_font.GetInternalFont( m_scaleY );
+
+    wxCHECK_RET( font, wxT("invalid font") );
+
+    // the size of the text
+    w = gdk_string_width( font, text.mbc_str() );
+    h = font->ascent + font->descent;
+
+    // draw the string normally
+    wxBitmap src(w, h);
+    wxMemoryDC dc;
+    dc.SelectObject(src);
+    dc.SetFont(GetFont());
+    dc.SetBackground(*wxBLACK_BRUSH);
+    dc.SetBrush(*wxBLACK_BRUSH);
+    dc.Clear();
+    dc.SetTextForeground( *wxWHITE );
+    dc.DrawText(text, 0, 0);
+    dc.SelectObject(wxNullBitmap);
+
+    // Calculate the size of the rotated bounding box.
+    double rad = DegToRad(angle);
+    double dx = cos(rad),
+           dy = sin(rad);
+
+    // the rectngle vertices are counted clockwise with the first one being at
+    // (0, 0) (or, rather, at (x, y))
+    double x2 = w*dx,
+           y2 = -w*dy;      // y axis points to the bottom, hence minus
+    double x4 = h*dy,
+           y4 = h*dx;
+    double x3 = x4 + x2,
+           y3 = y4 + y2;
+
+    // calc max and min
+    wxCoord maxX = (wxCoord)(dmax(x2, dmax(x3, x4)) + 0.5),
+            maxY = (wxCoord)(dmax(y2, dmax(y3, y4)) + 0.5),
+            minX = (wxCoord)(dmin(x2, dmin(x3, x4)) - 0.5),
+            minY = (wxCoord)(dmin(y2, dmin(y3, y4)) - 0.5);
+
+
+    wxImage image = src.ConvertToImage();
+
+    image.ConvertColourToAlpha( m_textForegroundColour.Red(),
+                                m_textForegroundColour.Green(),
+                                m_textForegroundColour.Blue() );
+    image = image.Rotate( rad, wxPoint(0,0) );
+
+    int i_angle = (int) angle;
+    i_angle = i_angle % 360;
+    if (i_angle < 0)
+        i_angle += 360;
+    int xoffset = 0;
+    if ((i_angle >= 90.0) && (i_angle < 270.0))
+        xoffset = image.GetWidth();
+    int yoffset = 0;
+    if ((i_angle >= 0.0) && (i_angle < 180.0))
+        yoffset = image.GetHeight();
+
+    if ((i_angle >= 0) && (i_angle < 90))
+        yoffset -= (int)( cos(rad)*h );
+    if ((i_angle >= 90) && (i_angle < 180))
+        xoffset -= (int)( sin(rad)*h );
+    if ((i_angle >= 180) && (i_angle < 270))
+        yoffset -= (int)( cos(rad)*h );
+    if ((i_angle >= 270) && (i_angle < 360))
+        xoffset -= (int)( sin(rad)*h );
+
+    int i_x = x - xoffset;
+    int i_y = y - yoffset;
+
+    src = image;
+    DoDrawBitmap( src, i_x, i_y, true );
+
+
+    // it would be better to draw with non underlined font and draw the line
+    // manually here (it would be more straight...)
+#if 0
+    if ( m_font.GetUnderlined() )
+    {
+        gdk_draw_line( m_window, m_textGC,
+                       XLOG2DEV(x + x4), YLOG2DEV(y + y4 + font->descent),
+                       XLOG2DEV(x + x3), YLOG2DEV(y + y3 + font->descent));
+    }
+#endif // 0
+
+    // update the bounding box
+    CalcBoundingBox(x + minX, y + minY);
+    CalcBoundingBox(x + maxX, y + maxY);

 }
 
 }
 

-void wxPaintDC::GetTextExtent( const wxString &string, long *width, long *height,
-                     long *descent, long *externalLeading,
-                     wxFont *theFont, bool WXUNUSED(use16) )
+void wxWindowDCImpl::DoGetTextExtent(const wxString &string,
+                                 wxCoord *width, wxCoord *height,
+                                 wxCoord *descent, wxCoord *externalLeading,
+                                 const wxFont *theFont) const

 {
 {

-    if (!Ok()) return;
-  
+    if ( width )
+        *width = 0;
+    if ( height )
+        *height = 0;
+    if ( descent )
+        *descent = 0;
+    if ( externalLeading )
+        *externalLeading = 0;
+
+    if (string.empty())
+    {
+        return;
+    }
+

     wxFont fontToUse = m_font;
     wxFont fontToUse = m_font;

-    if (theFont) fontToUse = *theFont;
-  
+    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 (externalLeading) (*externalLeading) = 0;  // ??
+    if ( !font )
+        return;
+
+    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);

 }
 
 }
 

-long wxPaintDC::GetCharWidth(void)
+wxCoord wxWindowDCImpl::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);
+    wxCHECK_MSG( font, -1, wxT("invalid font") );
+
+    return wxCoord(gdk_string_width( font, "H" ) / m_scaleX);

 }
 
 }
 

-long wxPaintDC::GetCharHeight(void)
+wxCoord wxWindowDCImpl::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);
+    wxCHECK_MSG( font, -1, wxT("invalid font") );
+
+    return wxCoord((font->ascent + font->descent) / m_scaleY);

 }
 
 }
 

-void wxPaintDC::Clear(void)
+void wxWindowDCImpl::Clear()

 {
 {

-    if (!Ok()) return;
-  
-    if (!m_isMemDC)
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+    if (!m_window) return;
+
+    // VZ: the code below results in infinite recursion and crashes when
+    //     dc.Clear() is done from OnPaint() so I disable it for now.
+    //     I don't know what the correct fix is but Clear() surely should not
+    //     reenter OnPaint()!
+#if 0
+    /* - 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 );
+        m_owner->Clear();
+        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;

     }
     }

+#else // 1
+    int width,height;
+    GetSize( &width, &height );
+    gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
+#endif // 0/1

 }
 
 }
 

-void wxPaintDC::SetFont( const wxFont &font )
+void wxWindowDCImpl::SetFont( const wxFont &font )

 {
 {

-    if (!Ok()) return;
-  

     m_font = font;
 }
 
     m_font = font;
 }
 

-void wxPaintDC::SetPen( const wxPen &pen )
+void wxWindowDCImpl::SetPen( const wxPen &pen )

 {
 {

-    if (!Ok()) return;
+    wxCHECK_RET( IsOk(), 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.IsOk()) 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;

+        if ( !width )
+        {
+            // width can't be 0 or an internal GTK error occurs inside
+            // gdk_gc_set_dashes() below
+            width = 1;
+        }

     }
     }

-  
+
+    static const wxGTKDash dotted[] = {1, 1};
+    static const wxGTKDash short_dashed[] = {2, 2};
+    static const wxGTKDash wxCoord_dashed[] = {2, 4};
+    static const wxGTKDash 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 wxGTKDash *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 = (wxGTKDash*)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_MASK_OPAQUE:
+        case wxSTIPPLE:
+        case wxSOLID:
+        default:
+        {
+            lineStyle = GDK_LINE_SOLID;
+            req_dash = NULL;
+            req_nb_dash = 0;
+            break;
+        }
+    }
+
+    if (req_dash && req_nb_dash)
+    {
+        wxGTKDash *real_req_dash = new wxGTKDash[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, (wxGTKDash*)req_dash, req_nb_dash );
+        }

     }
     }

-  
+

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

-        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; }
         case wxCAP_PROJECTING: { capStyle = GDK_CAP_PROJECTING; break; }
         case wxCAP_BUTT:       { capStyle = GDK_CAP_BUTT;       break; }

+        case wxCAP_ROUND:
+        default:
+        {
+            if (width <= 1)
+            {
+                width = 0;
+                capStyle = GDK_CAP_NOT_LAST;
+            }
+            else
+            {
+                capStyle = GDK_CAP_ROUND;
+            }
+            break;
+        }

     }
     }

-  
+

     GdkJoinStyle joinStyle = GDK_JOIN_ROUND;
     switch (m_pen.GetJoin())
     {
         case wxJOIN_BEVEL: { joinStyle = GDK_JOIN_BEVEL; break; }
     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_MITER: { joinStyle = GDK_JOIN_MITER; break; }

+        case wxJOIN_ROUND:
+        default:           { joinStyle = GDK_JOIN_ROUND; 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() );
 }
 
     m_pen.GetColour().CalcPixel( m_cmap );
     gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() );
 }
 

-void wxPaintDC::SetBrush( const wxBrush &brush )
+void wxWindowDCImpl::SetBrush( const wxBrush &brush )

 {
 {

-    if (!Ok()) return;
-  
+    wxCHECK_RET( IsOk(), 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.IsOk()) 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())
+
+    gdk_gc_set_fill( m_brushGC, GDK_SOLID );
+
+    if ((m_brush.GetStyle() == wxSTIPPLE) && (m_brush.GetStipple()->IsOk()))

     {
     {

-      case wxSOLID:
-      case wxTRANSPARENT:
-         break;
-      default:
-         fillStyle = GDK_STIPPLED;
+        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() );
+        }

     }
     }

-  
-    gdk_gc_set_fill( m_brushGC, fillStyle );
-  
-    if (m_brush.GetStyle() == wxSTIPPLE)
+
+    if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))

     {
     {

-        gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() );
+        gdk_gc_set_fill( m_textGC, GDK_OPAQUE_STIPPLED);
+        gdk_gc_set_stipple( m_textGC, m_brush.GetStipple()->GetMask()->GetBitmap() );

     }
     }

-  
-    if (IS_HATCH(m_brush.GetStyle()))
+
+    if (m_brush.IsHatch())

     {
     {

+        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 wxPaintDC::SetBackground( const wxBrush &brush )
+void wxWindowDCImpl::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( IsOk(), 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.IsOk()) return;
+
+    if (!m_window) return;
+

     m_backgroundBrush.GetColour().CalcPixel( m_cmap );
     gdk_gc_set_background( m_brushGC, 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() );
     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()->IsOk()))

     {
     {

-        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 (m_backgroundBrush.IsHatch())

     {
     {

+        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 wxPaintDC::SetLogicalFunction( int function )
+void wxWindowDCImpl::SetLogicalFunction( wxRasterOperationMode function )

 {
 {

-    if (m_logicalFunction == function) return;
-    GdkFunction mode = GDK_COPY;
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+    if (m_logicalFunction == function)
+        return;
+
+    // VZ: shouldn't this be a CHECK?
+    if (!m_window)
+        return;
+
+    GdkFunction mode;

     switch (function)
     {
     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;
+        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 wxAND:          mode = GDK_AND;           break;
+        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;
+
+        // unsupported by GTK
+        case wxNOR:          mode = GDK_COPY;          break;
+        default:
+           wxFAIL_MSG( wxT("unsupported logical function") );
+           mode = GDK_COPY;

     }
     }

+

     m_logicalFunction = function;
     m_logicalFunction = function;

+

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

+
+    // to stay compatible with wxMSW, we don't apply ROPs to the text
+    // operations (i.e. DrawText/DrawRotatedText).
+    // True, but mono-bitmaps use the m_textGC and they use ROPs as well.

     gdk_gc_set_function( m_textGC, mode );
 }
 
     gdk_gc_set_function( m_textGC, mode );
 }
 

-void wxPaintDC::SetTextForeground( const wxColour &col )
+void wxWindowDCImpl::SetTextForeground( const wxColour &col )

 {
 {

-    if (!Ok()) return;
-  
-    if (m_textForegroundColour == col) return;
-  
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+    // don't set m_textForegroundColour to an invalid colour as we'd crash
+    // later then (we use m_textForegroundColour.GetColor() without checking
+    // in a few places)
+    if ( !col.IsOk() || (m_textForegroundColour == col) )
+        return;
+

     m_textForegroundColour = col;
     m_textForegroundColour = col;

-    if (!m_textForegroundColour.Ok()) return;
-  
-    m_textForegroundColour.CalcPixel( m_cmap );
-    gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+
+    if ( m_window )
+    {
+        m_textForegroundColour.CalcPixel( m_cmap );
+        gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+    }

 }
 
 }
 

-void wxPaintDC::SetTextBackground( const wxColour &col )
+void wxWindowDCImpl::SetTextBackground( const wxColour &col )

 {
 {

-    if (!Ok()) return;
-  
-    if (m_textBackgroundColour == col) return;
-  
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+    // same as above
+    if ( !col.IsOk() || (m_textBackgroundColour == col) )
+        return;
+

     m_textBackgroundColour = col;
     m_textBackgroundColour = col;

-    if (!m_textBackgroundColour.Ok()) return;
-  
-    m_textBackgroundColour.CalcPixel( m_cmap );
-    gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
+
+    if ( m_window )
+    {
+        m_textBackgroundColour.CalcPixel( m_cmap );
+        gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
+    }

 }
 
 }
 

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

 {
 {

+    wxCHECK_RET( IsOk(), 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,


@@ -911,255 +1984,251 @@ void wxPaintDC::SetBackgroundMode( int mode )
     }
 }
 
     }
 }
 

-void wxPaintDC::SetPalette( const wxPalette& WXUNUSED(palette) )
+void wxWindowDCImpl::SetPalette( const wxPalette& WXUNUSED(palette) )

 {
 {

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

 }
 
 }
 

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

 {
 {

-    wxDC::SetClippingRegion( x, y, width, height );
-  
-    GdkRectangle rect;
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+    if (!m_window) return;
+
+    wxRect rect;

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

 
 

-void wxPaintDC::DestroyClippingRegion(void)
-{
-    wxDC::DestroyClippingRegion();
-  
-    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 );
+    if (!m_currentClippingRegion.IsNull())
+        m_currentClippingRegion.Intersect( rect );
+    else
+        m_currentClippingRegion.Union( rect );
+
+#if USE_PAINT_REGION
+    if (!m_paintClippingRegion.IsNull())
+        m_currentClippingRegion.Intersect( m_paintClippingRegion );
+#endif
+
+    wxCoord xx, yy, ww, hh;
+    m_currentClippingRegion.GetBox( xx, yy, ww, hh );
+    wxGTKDCImpl::DoSetClippingRegion( xx, yy, ww, hh );
+
+    gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
+    gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
+    gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
+    gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );

 }
 
 }
 

-void wxPaintDC::SetUpDC(void)
+void wxWindowDCImpl::DoSetDeviceClippingRegion( const wxRegion &region  )

 {
 {

-    Destroy();
-    m_ok = TRUE;
-    m_logicalFunction = wxCOPY;
-    m_penGC = 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 );
-    SetTextForeground( m_textForegroundColour );
-    SetTextBackground( m_textBackgroundColour );
-    
-    wxPen tmp_pen( m_pen );
-    m_pen = wxNullPen;
-    SetPen( tmp_pen );
-    
-    wxFont tmp_font( m_font );
-    m_font = wxNullFont;
-    SetFont( tmp_font );
-    
-    wxBrush tmp_brush( m_brush );
-    m_brush = wxNullBrush;
-    SetBrush( tmp_brush );
-    
-    tmp_brush = m_backgroundBrush;
-    m_backgroundBrush = wxNullBrush;
-    SetBackground( tmp_brush );
-  
-    gdk_gc_set_background( m_penGC, wxWHITE->GetColor() );
-  
-    if (!hatch_bitmap) 
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+    if (region.Empty())

     {
     {

-        hatch_bitmap    = hatches;
-        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 );
+        DestroyClippingRegion();
+        return;

     }
     }

-}

 
 

-void wxPaintDC::Destroy(void)
-{
-    if (m_penGC) gdk_gc_unref( m_penGC );
-    m_penGC = (GdkGC*) NULL;
-    if (m_brushGC) gdk_gc_unref( m_brushGC );
-    m_brushGC = (GdkGC*) NULL;
-    if (m_textGC) gdk_gc_unref( m_textGC );
-    m_textGC = (GdkGC*) NULL;
-    if (m_bgGC) gdk_gc_unref( m_bgGC );
-    m_bgGC = (GdkGC*) NULL;
-}
+    if (!m_window) return;

 
 

-GdkWindow *wxPaintDC::GetWindow(void)
-{
-    return m_window;
+    if (!m_currentClippingRegion.IsNull())
+        m_currentClippingRegion.Intersect( region );
+    else
+        m_currentClippingRegion.Union( region );
+
+#if USE_PAINT_REGION
+    if (!m_paintClippingRegion.IsNull())
+        m_currentClippingRegion.Intersect( m_paintClippingRegion );
+#endif
+
+    wxCoord xx, yy, ww, hh;
+    m_currentClippingRegion.GetBox( xx, yy, ww, hh );
+    wxGTKDCImpl::DoSetClippingRegion( xx, yy, ww, hh );
+
+    gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
+    gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
+    gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
+    gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );

 }
 
 }
 

-// ----------------------------------- spline code ----------------------------------------
+void wxWindowDCImpl::DestroyClippingRegion()
+{
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );

 
 

-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);
-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,
-          double x4, double y4);
-static bool wx_spline_add_point(double x, double y);
-static void wx_spline_draw_point_array(wxDC *dc);
+    wxGTKDCImpl::DestroyClippingRegion();

 
 

-wxList wx_spline_point_list;
+    m_currentClippingRegion.Clear();

 
 

-#define                half(z1, z2)    ((z1+z2)/2.0)
-#define                THRESHOLD       5
+#if USE_PAINT_REGION
+    if (!m_paintClippingRegion.IsEmpty())
+        m_currentClippingRegion.Union( m_paintClippingRegion );
+#endif

 
 

-/* iterative version */
+    if (!m_window) return;

 
 

-void wx_quadratic_spline(double a1, double b1, double a2, double b2, double a3, double b3, double a4,
-                 double b4)
-{
-    register double  xmid, ymid;
-    double           x1, y1, x2, y2, x3, y3, x4, y4;
-
-    wx_clear_stack();
-    wx_spline_push(a1, b1, a2, b2, a3, b3, a4, b4);
-
-    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) {
-            wx_spline_add_point( x1, y1 );
-            wx_spline_add_point( xmid, ymid );
-       } 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);
-       }
+    if (m_currentClippingRegion.IsEmpty())
+    {
+        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 );
+    }
+    else
+    {
+        gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
+        gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
+        gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
+        gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );

     }
 }
 
     }
 }
 

-/* utilities used by spline drawing routines */
+void wxWindowDCImpl::Destroy()
+{
+    if (m_penGC) wxFreePoolGC( m_penGC );
+    m_penGC = NULL;
+    if (m_brushGC) wxFreePoolGC( m_brushGC );
+    m_brushGC = NULL;
+    if (m_textGC) wxFreePoolGC( m_textGC );
+    m_textGC = NULL;
+    if (m_bgGC) wxFreePoolGC( m_bgGC );
+    m_bgGC = NULL;
+}

 
 

-typedef struct wx_spline_stack_struct {
-    double           x1, y1, x2, y2, x3, y3, x4, y4;
-} Stack;
+void wxWindowDCImpl::ComputeScaleAndOrigin()
+{
+    const wxRealPoint origScale(m_scaleX, m_scaleY);

 
 

-#define         SPLINE_STACK_DEPTH             20
-static Stack    wx_spline_stack[SPLINE_STACK_DEPTH];
-static Stack   *wx_stack_top;
-static int      wx_stack_count;
+    wxGTKDCImpl::ComputeScaleAndOrigin();

 
 

-void wx_clear_stack(void)
-{
-    wx_stack_top = wx_spline_stack;
-    wx_stack_count = 0;
+    // if scale has changed call SetPen to recalulate the line width
+    if ( wxRealPoint(m_scaleX, m_scaleY) != origScale && m_pen.IsOk() )
+    {
+        // 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 );
+    }

 }
 
 }
 

-void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4)
+// Resolution in pixels per logical inch
+wxSize wxWindowDCImpl::GetPPI() const

 {
 {

-    wx_stack_top->x1 = x1;
-    wx_stack_top->y1 = y1;
-    wx_stack_top->x2 = x2;
-    wx_stack_top->y2 = y2;
-    wx_stack_top->x3 = x3;
-    wx_stack_top->y3 = y3;
-    wx_stack_top->x4 = x4;
-    wx_stack_top->y4 = y4;
-    wx_stack_top++;
-    wx_stack_count++;
+    return wxSize( (int) (m_mm_to_pix_x * 25.4 + 0.5), (int) (m_mm_to_pix_y * 25.4 + 0.5));

 }
 
 }
 

-int wx_spline_pop(double *x1, double *y1, double *x2, double *y2,
-                  double *x3, double *y3, double *x4, double *y4)
+int wxWindowDCImpl::GetDepth() const

 {
 {

-    if (wx_stack_count == 0)
-       return (0);
-    wx_stack_top--;
-    wx_stack_count--;
-    *x1 = wx_stack_top->x1;
-    *y1 = wx_stack_top->y1;
-    *x2 = wx_stack_top->x2;
-    *y2 = wx_stack_top->y2;
-    *x3 = wx_stack_top->x3;
-    *y3 = wx_stack_top->y3;
-    *x4 = wx_stack_top->x4;
-    *y4 = wx_stack_top->y4;
-    return (1);
+    wxFAIL_MSG(wxT("not implemented"));
+
+    return -1;

 }
 
 }
 

-static bool wx_spline_add_point(double x, double y)
+
+//-----------------------------------------------------------------------------
+// wxPaintDCImpl
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxPaintDCImpl, wxClientDCImpl)
+
+// Limit the paint region to the window size. Sometimes
+// the paint region is too big, and this risks X11 errors
+static void wxLimitRegionToSize(wxRegion& region, const wxSize& sz)

 {
 {

-  wxPoint *point = new wxPoint ;
-  point->x = (int) x;
-  point->y = (int) y;
-  wx_spline_point_list.Append((wxObject*)point);
-  return TRUE;
+    wxRect originalRect = region.GetBox();
+    wxRect rect(originalRect);
+    if (rect.width + rect.x > sz.x)
+        rect.width = sz.x - rect.x;
+    if (rect.height + rect.y > sz.y)
+        rect.height = sz.y - rect.y;
+    if (rect != originalRect)
+    {
+        region = wxRegion(rect);
+        wxLogTrace(wxT("painting"), wxT("Limiting region from %d, %d, %d, %d to %d, %d, %d, %d\n"),
+                   originalRect.x, originalRect.y, originalRect.width, originalRect.height,
+                   rect.x, rect.y, rect.width, rect.height);
+    }

 }
 
 }
 

-static void wx_spline_draw_point_array(wxDC *dc)
+wxPaintDCImpl::wxPaintDCImpl(wxDC *owner, wxWindow *win)
+             : wxClientDCImpl(owner, win)

 {
 {

-  dc->DrawLines(&wx_spline_point_list, 0, 0 );
-  wxNode *node = wx_spline_point_list.First();
-  while (node)
-  {
-    wxPoint *point = (wxPoint *)node->Data();
-    delete point;
-    delete node;
-    node = wx_spline_point_list.First();
-  }
+#if USE_PAINT_REGION
+    if (!win->m_clipPaintRegion)
+        return;
+
+    wxSize sz = win->GetSize();
+    m_paintClippingRegion = win->GetUpdateRegion();
+    wxLimitRegionToSize(m_paintClippingRegion, sz);
+
+    GdkRegion *region = m_paintClippingRegion.GetRegion();
+    if ( region )
+    {
+        m_currentClippingRegion.Union( m_paintClippingRegion );
+        wxLimitRegionToSize(m_currentClippingRegion, sz);
+
+        if (sz.x <= 0 || sz.y <= 0)
+            return ;
+
+        gdk_gc_set_clip_region( m_penGC, region );
+        gdk_gc_set_clip_region( m_brushGC, region );
+        gdk_gc_set_clip_region( m_textGC, region );
+        gdk_gc_set_clip_region( m_bgGC, region );
+    }
+#endif // USE_PAINT_REGION

 }
 
 }
 

-void wxPaintDC::DrawSpline( wxList *points )
-{
-    wxPoint *p;
-    double           cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;
-    double           x1, y1, x2, y2;
+//-----------------------------------------------------------------------------
+// wxClientDCImpl
+//-----------------------------------------------------------------------------

 
 

-    wxNode *node = points->First();
-    p = (wxPoint *)node->Data();
+IMPLEMENT_ABSTRACT_CLASS(wxClientDCImpl, wxWindowDCImpl)

 
 

-    x1 = p->x;
-    y1 = p->y;
+wxClientDCImpl::wxClientDCImpl(wxDC *owner, wxWindow *win)
+              : wxWindowDCImpl(owner, win)
+{
+    wxCHECK_RET( win, wxT("NULL window in wxClientDCImpl::wxClientDCImpl") );
+
+#ifdef __WXUNIVERSAL__
+    wxPoint ptOrigin = win->GetClientAreaOrigin();
+    SetDeviceOrigin(ptOrigin.x, ptOrigin.y);
+    wxSize size = win->GetClientSize();
+    SetClippingRegion(wxPoint(0, 0), size);
+#endif // __WXUNIVERSAL__
+}

 
 

-    node = node->Next();
-    p = (wxPoint *)node->Data();
+void wxClientDCImpl::DoGetSize(int *width, int *height) const
+{
+    wxCHECK_RET( m_owner, wxT("GetSize() doesn't work without window") );

 
 

-    x2 = p->x;
-    y2 = p->y;
-    cx1 = (double)((x1 + x2) / 2);
-    cy1 = (double)((y1 + y2) / 2);
-    cx2 = (double)((cx1 + x2) / 2);
-    cy2 = (double)((cy1 + y2) / 2);
+    m_owner->GetClientSize( width, height );
+}

 
 

-    wx_spline_add_point(x1, y1);
+// ----------------------------------------------------------------------------
+// wxDCModule
+// ----------------------------------------------------------------------------

 
 

-    while ((node = node->Next()) != NULL)
-    {
-        p = (wxPoint *)node->Data();
-       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;
-        cy3 = (double)(y1 + cy4) / 2;
+class wxDCModule : public wxModule
+{
+public:
+    bool OnInit();
+    void OnExit();

 
 

-        wx_quadratic_spline(cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4);
+private:
+    DECLARE_DYNAMIC_CLASS(wxDCModule)
+};

 
 

-       cx1 = cx4;
-       cy1 = cy4;
-        cx2 = (double)(cx1 + x2) / 2;
-        cy2 = (double)(cy1 + y2) / 2;
-    }
+IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule)

 
 

-    wx_spline_add_point( cx1, cy1 );
-    wx_spline_add_point( x2, y2 );
+bool wxDCModule::OnInit()
+{
+    wxInitGCPool();
+    return true;
+}

 
 

-    wx_spline_draw_point_array( this );
+void wxDCModule::OnExit()
+{
+    wxCleanUpGCPool();

 }
 }