]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/dcclient.cpp
trying to resolve GSocketManager API mess: the meaning of Install/Uninstall_Callback...
[wxWidgets.git] / src / gtk / dcclient.cpp
index 4a36650e9ed599a5c3d2e0f56ea4785e7edd7637..7c647971b0d1a9cdb23838f792ab129126b2e8f3 100644 (file)
 #define XCopyPlane XCOPYPLANE
 #endif
 
-#include "wx/dc.h"
-#include "wx/dcclient.h"
+#include "wx/gtk/dcclient.h"
 
 #ifndef WX_PRECOMP
     #include "wx/window.h"
     #include "wx/log.h"
     #include "wx/dcmemory.h"
-    #include "wx/math.h" // for floating-point functions
+    #include "wx/math.h"
     #include "wx/image.h"
     #include "wx/module.h"
 #endif
 
 #include "wx/fontutil.h"
-#include "wx/scrolwin.h"
 
 #include "wx/gtk/private.h"
+#include "wx/gtk/private/object.h"
 
 #include <gdk/gdkx.h>
 
 #include "horiz.xbm"
 #include "verti.xbm"
 #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[wxBRUSHSTYLE_LAST_HATCH - wxBRUSHSTYLE_FIRST_HATCH + 1];
 
 extern GtkWidget *wxGetRootWindow();
 
@@ -69,7 +62,7 @@ extern GtkWidget *wxGetRootWindow();
 // constants
 //-----------------------------------------------------------------------------
 
-const double RAD2DEG  = 180.0 / M_PI;
+static const double RAD2DEG  = 180.0 / M_PI;
 
 // ----------------------------------------------------------------------------
 // private functions
@@ -80,12 +73,41 @@ 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; }
 
+static GdkPixmap* GetHatch(int style)
+{
+    wxASSERT(style >= wxBRUSHSTYLE_FIRST_HATCH && style <= wxBRUSHSTYLE_LAST_HATCH);
+    const int i = style - wxBRUSHSTYLE_FIRST_HATCH;
+    if (hatches[i] == NULL)
+    {
+        switch (style)
+        {
+        case wxBRUSHSTYLE_BDIAGONAL_HATCH:
+            hatches[i] = gdk_bitmap_create_from_data(NULL, bdiag_bits, bdiag_width, bdiag_height);
+            break;
+        case wxBRUSHSTYLE_CROSSDIAG_HATCH:
+            hatches[i] = gdk_bitmap_create_from_data(NULL, cdiag_bits, cdiag_width, cdiag_height);
+            break;
+        case wxBRUSHSTYLE_CROSS_HATCH:
+            hatches[i] = gdk_bitmap_create_from_data(NULL, cross_bits, cross_width, cross_height);
+            break;
+        case wxBRUSHSTYLE_FDIAGONAL_HATCH:
+            hatches[i] = gdk_bitmap_create_from_data(NULL, fdiag_bits, fdiag_width, fdiag_height);
+            break;
+        case wxBRUSHSTYLE_HORIZONTAL_HATCH:
+            hatches[i] = gdk_bitmap_create_from_data(NULL, horiz_bits, horiz_width, horiz_height);
+            break;
+        case wxBRUSHSTYLE_VERTICAL_HATCH:
+            hatches[i] = gdk_bitmap_create_from_data(NULL, verti_bits, verti_width, verti_height);
+            break;
+        }
+    }
+    return hatches[i];
+}
+
 //-----------------------------------------------------------------------------
 // temporary implementation of the missing GDK function
 //-----------------------------------------------------------------------------
 
-#include "gdk/gdkprivate.h"
-
 static
 void gdk_wx_draw_bitmap(GdkDrawable  *drawable,
                         GdkGC        *gc,
@@ -428,17 +450,6 @@ void wxWindowDCImpl::SetUpDC( bool isMemDC )
     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 (!hatch_bitmap)
-    {
-        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 );
-    }
 }
 
 void wxWindowDCImpl::DoGetSize( int* width, int* height ) const
@@ -492,8 +503,8 @@ bool wxWindowDCImpl::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
 void wxWindowDCImpl::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 {
     wxCHECK_RET( IsOk(), wxT("invalid window dc") );
-
-    if (m_pen.GetStyle() != wxTRANSPARENT)
+    
+    if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
     {
         if (m_gdkwindow)
             gdk_draw_line( m_gdkwindow, m_penGC, XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
@@ -507,7 +518,7 @@ void wxWindowDCImpl::DoCrossHair( wxCoord x, wxCoord y )
 {
     wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
-    if (m_pen.GetStyle() != wxTRANSPARENT)
+    if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
     {
         int w = 0;
         int h = 0;
@@ -522,6 +533,46 @@ void wxWindowDCImpl::DoCrossHair( wxCoord x, wxCoord y )
     }
 }
 
+void wxWindowDCImpl::DrawingSetup(GdkGC*& gc, bool& originChanged)
+{
+    gc = m_brushGC;
+    GdkPixmap* pixmap = NULL;
+    const int style = m_brush.GetStyle();
+
+    if (style == wxBRUSHSTYLE_STIPPLE || style == wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE)
+    {
+        const wxBitmap* stipple = m_brush.GetStipple();
+        if (stipple->IsOk())
+        {
+            if (style == wxBRUSHSTYLE_STIPPLE)
+                pixmap = stipple->GetPixmap();
+            else if (stipple->GetMask())
+            {
+                pixmap = stipple->GetPixmap();
+                gc = m_textGC;
+            }
+        }
+    }
+    else if (m_brush.IsHatch())
+    {
+        pixmap = GetHatch(style);
+    }
+
+    int origin_x = 0;
+    int origin_y = 0;
+    if (pixmap)
+    {
+        int w, h;
+        gdk_drawable_get_size(pixmap, &w, &h);
+        origin_x = m_deviceOriginX % w;
+        origin_y = m_deviceOriginY % h;
+    }
+
+    originChanged = origin_x || origin_y;
+    if (originChanged)
+        gdk_gc_set_ts_origin(gc, origin_x, origin_y);
+}
+
 void wxWindowDCImpl::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
                             wxCoord xc, wxCoord yc )
 {
@@ -565,47 +616,23 @@ void wxWindowDCImpl::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
 
     if (m_gdkwindow)
     {
-        if (m_brush.GetStyle() != wxTRANSPARENT)
+        if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT)
         {
-            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_gdkwindow, 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_gdkwindow, 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_gdkwindow, 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_gdkwindow, 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_gdkwindow, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
-            }
+            GdkGC* gc;
+            bool originChanged;
+            DrawingSetup(gc, originChanged);
+
+            gdk_draw_arc(m_gdkwindow, gc, true, xxc-r, yyc-r, 2*r, 2*r, alpha1, alpha2);
+
+            if (originChanged)
+                gdk_gc_set_ts_origin(gc, 0, 0);
         }
 
-        if (m_pen.GetStyle() != wxTRANSPARENT)
+        if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
         {
             gdk_draw_arc( m_gdkwindow, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
 
-            if ((m_brush.GetStyle() != wxTRANSPARENT) && (alpha2 - alpha1 != 360*64))
+            if ((m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT) && (alpha2 - alpha1 != 360*64))
             {
                 gdk_draw_line( m_gdkwindow, m_penGC, xx1, yy1, xxc, yyc );
                 gdk_draw_line( m_gdkwindow, m_penGC, xxc, yyc, xx2, yy2 );
@@ -635,43 +662,19 @@ void wxWindowDCImpl::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxC
         wxCoord start = wxCoord(sa * 64.0);
         wxCoord end = wxCoord((ea-sa) * 64.0);
 
-        if (m_brush.GetStyle() != wxTRANSPARENT)
+        if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT)
         {
-            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_gdkwindow, 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_gdkwindow, 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_gdkwindow, 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_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            }
-            else
-            {
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
-            }
+            GdkGC* gc;
+            bool originChanged;
+            DrawingSetup(gc, originChanged);
+
+            gdk_draw_arc(m_gdkwindow, gc, true, xx, yy, ww, hh, start, end);
+
+            if (originChanged)
+                gdk_gc_set_ts_origin(gc, 0, 0);
         }
 
-        if (m_pen.GetStyle() != wxTRANSPARENT)
+        if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
             gdk_draw_arc( m_gdkwindow, m_penGC, FALSE, xx, yy, ww, hh, start, end );
     }
 
@@ -683,7 +686,7 @@ void wxWindowDCImpl::DoDrawPoint( wxCoord x, wxCoord y )
 {
     wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
-    if ((m_pen.GetStyle() != wxTRANSPARENT) && m_gdkwindow)
+    if ((m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT) && m_gdkwindow)
         gdk_draw_point( m_gdkwindow, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
 
     CalcBoundingBox (x, y);
@@ -693,7 +696,7 @@ void wxWindowDCImpl::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCo
 {
     wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
-    if (m_pen.GetStyle() == wxTRANSPARENT) return;
+    if (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT) return;
     if (n <= 0) return;
 
     //Check, if scaling is necessary
@@ -752,43 +755,19 @@ void wxWindowDCImpl::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wx
 
     if (m_gdkwindow)
     {
-        if (m_brush.GetStyle() != wxTRANSPARENT)
+        if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT)
         {
-            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_gdkwindow, m_textGC, TRUE, gdkpoints, 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_gdkwindow, m_brushGC, TRUE, gdkpoints, 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_gdkwindow, m_brushGC, TRUE, gdkpoints, 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_gdkwindow, m_brushGC, TRUE, gdkpoints, n );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            }
-            else
-            {
-                gdk_draw_polygon( m_gdkwindow, m_brushGC, TRUE, gdkpoints, n );
-            }
+            GdkGC* gc;
+            bool originChanged;
+            DrawingSetup(gc, originChanged);
+
+            gdk_draw_polygon(m_gdkwindow, gc, true, gdkpoints, n);
+
+            if (originChanged)
+                gdk_gc_set_ts_origin(gc, 0, 0);
         }
 
-        if (m_pen.GetStyle() != wxTRANSPARENT)
+        if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
         {
 /*
             for (i = 0 ; i < n ; i++)
@@ -827,47 +806,23 @@ void wxWindowDCImpl::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoo
 
     if (m_gdkwindow)
     {
-        if (m_brush.GetStyle() != wxTRANSPARENT)
+        if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT)
         {
-            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_gdkwindow, 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_gdkwindow, 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_gdkwindow, 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_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            }
-            else
-            {
-                gdk_draw_rectangle( m_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh );
-            }
+            GdkGC* gc;
+            bool originChanged;
+            DrawingSetup(gc, originChanged);
+
+            gdk_draw_rectangle(m_gdkwindow, gc, true, xx, yy, ww, hh);
+
+            if (originChanged)
+                gdk_gc_set_ts_origin(gc, 0, 0);
         }
 
-        if (m_pen.GetStyle() != wxTRANSPARENT)
+        if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
         {
 #if 1
             if ((m_pen.GetWidth() == 2) && (m_pen.GetCap() == wxCAP_ROUND) &&
-                (m_pen.GetJoin() == wxJOIN_ROUND) && (m_pen.GetStyle() == wxSOLID))
+                (m_pen.GetJoin() == wxJOIN_ROUND) && (m_pen.GetStyle() == wxPENSTYLE_SOLID))
             {
                 // Use 2 1-line rects instead
                 gdk_gc_set_line_attributes( m_penGC, 1, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND );
@@ -929,7 +884,7 @@ void wxWindowDCImpl::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width
 
     // CMB: adjust size if outline is drawn otherwise the result is
     // 1 pixel too wide and high
-    if (m_pen.GetStyle() != wxTRANSPARENT)
+    if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
     {
         ww--;
         hh--;
@@ -944,68 +899,24 @@ void wxWindowDCImpl::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width
         if (dd > hh) dd = hh;
         rr = dd / 2;
 
-        if (m_brush.GetStyle() != wxTRANSPARENT)
+        if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT)
         {
-            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_gdkwindow, m_textGC, TRUE, xx+rr, yy, ww-dd+1, hh );
-                gdk_draw_rectangle( m_gdkwindow, m_textGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
-                gdk_draw_arc( m_gdkwindow, m_textGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_textGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_textGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, 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_gdkwindow, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
-                gdk_draw_rectangle( m_gdkwindow, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, 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_gdkwindow, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
-                gdk_draw_rectangle( m_gdkwindow, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, 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_gdkwindow, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
-                gdk_draw_rectangle( m_gdkwindow, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, 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_gdkwindow, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
-                gdk_draw_rectangle( m_gdkwindow, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
-            }
+            GdkGC* gc;
+            bool originChanged;
+            DrawingSetup(gc, originChanged);
+
+            gdk_draw_rectangle(m_gdkwindow, gc, true, xx+rr, yy, ww-dd+1, hh);
+            gdk_draw_rectangle(m_gdkwindow, gc, true, xx, yy+rr, ww, hh-dd+1);
+            gdk_draw_arc(m_gdkwindow, gc, true, xx, yy, dd, dd, 90*64, 90*64);
+            gdk_draw_arc(m_gdkwindow, gc, true, xx+ww-dd, yy, dd, dd, 0, 90*64);
+            gdk_draw_arc(m_gdkwindow, gc, true, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64);
+            gdk_draw_arc(m_gdkwindow, gc, true, xx, yy+hh-dd, dd, dd, 180*64, 90*64);
+
+            if (originChanged)
+                gdk_gc_set_ts_origin(gc, 0, 0);
         }
 
-        if (m_pen.GetStyle() != wxTRANSPARENT)
+        if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
         {
             gdk_draw_line( m_gdkwindow, m_penGC, xx+rr+1, yy, xx+ww-rr, yy );
             gdk_draw_line( m_gdkwindow, m_penGC, xx+rr+1, yy+hh, xx+ww-rr, yy+hh );
@@ -1038,44 +949,28 @@ void wxWindowDCImpl::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord
 
     if (m_gdkwindow)
     {
-        if (m_brush.GetStyle() != wxTRANSPARENT)
+        if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT)
         {
-            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_gdkwindow, 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_gdkwindow, 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_gdkwindow, 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_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            }
-            else
+            GdkGC* gc;
+            bool originChanged;
+            DrawingSetup(gc, originChanged);
+
+            // If the pen is transparent pen we increase the size
+            // for better compatibility with other platforms.
+            if (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT)
             {
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
+                ++ww;
+                ++hh;
             }
+
+            gdk_draw_arc(m_gdkwindow, gc, true, xx, yy, ww, hh, 0, 360*64);
+
+            if (originChanged)
+                gdk_gc_set_ts_origin(gc, 0, 0);
         }
 
-        if (m_pen.GetStyle() != wxTRANSPARENT)
-            gdk_draw_arc( m_gdkwindow, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 );
+        if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
+            gdk_draw_arc( m_gdkwindow, m_penGC, false, xx, yy, ww, hh, 0, 360*64 );
     }
 
     CalcBoundingBox( x, y );
@@ -1088,6 +983,76 @@ void wxWindowDCImpl::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
     DoDrawBitmap( (const wxBitmap&)icon, x, y, true );
 }
 
+// compare to current clipping region
+bool wxWindowDCImpl::IsOutsideOfClippingRegion(int x, int y, int w, int h)
+{
+    if (m_currentClippingRegion.IsNull())
+        return false;
+
+    wxRegion region(x, y, w, h);
+    region.Intersect( m_currentClippingRegion );
+    return region.IsEmpty();
+}
+
+void wxWindowDCImpl::RemoveClipMask(GdkGC *gc)
+{
+    gdk_gc_set_clip_mask(gc, NULL);
+    gdk_gc_set_clip_origin(gc, 0, 0);
+    if (!m_currentClippingRegion.IsNull())
+        gdk_gc_set_clip_region(gc, m_currentClippingRegion.GetRegion());
+}
+
+// For drawing a mono-bitmap (XBitmap) we use the current text GC
+void wxWindowDCImpl::DoDrawMonoBitmap(const wxBitmap& bitmap,
+                                      int bmp_w, int bmp_h,
+                                      int xsrc, int ysrc,
+                                      int xdest, int ydest,
+                                      int width, int height)
+{
+    wxGtkObject<GdkPixmap>
+        bitmap2(gdk_pixmap_new( wxGetRootWindow()->window, bmp_w, bmp_h, -1 ));
+    wxGtkObject<GdkGC> gc(gdk_gc_new( bitmap2 ));
+    gdk_gc_set_foreground( gc, m_textForegroundColour.GetColor() );
+    gdk_gc_set_background( gc, m_textBackgroundColour.GetColor() );
+    gdk_wx_draw_bitmap(bitmap2, gc, bitmap.GetPixmap(), 0, 0);
+
+    gdk_draw_drawable(m_gdkwindow, m_textGC, bitmap2, xsrc, ysrc, xdest, ydest,
+                      width, height);
+}
+
+// Returns a new mask that is the intersection of the old mask
+// and m_currentClippingRegion with proper offsets
+GdkBitmap* wxWindowDCImpl::GetClippedMask(GdkBitmap* mask, int w, int h,
+                                          int x, int y,
+                                          int xsrcMask, int ysrcMask)
+{
+    // create monochrome bitmap that will be used as the new mask
+    GdkBitmap *new_mask = gdk_pixmap_new( wxGetRootWindow()->window, w, h, 1 );
+
+    GdkColor c0, c1;
+    c0.pixel = 0;
+    c1.pixel = 1;
+    wxGtkObject<GdkGC> gc(gdk_gc_new( new_mask ));
+
+    // zero-ing new_mask
+    gdk_gc_set_foreground( gc, &c0 );
+    gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, w, h );
+
+    // clipping region
+    gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() );
+    gdk_gc_set_clip_origin( gc, -x, -y );
+
+    // copy the old mask to the new_mask in the clip region area
+    gdk_gc_set_background( gc, &c0 );
+    gdk_gc_set_foreground( gc, &c1 );
+    gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED );
+    gdk_gc_set_ts_origin( gc, -xsrcMask, -ysrcMask );
+    gdk_gc_set_stipple( gc, mask );
+    gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, w, h );
+
+    return new_mask;
+}
+
 void wxWindowDCImpl::DoDrawBitmap( const wxBitmap &bitmap,
                                wxCoord x, wxCoord y,
                                bool useMask )
@@ -1116,70 +1081,40 @@ void wxWindowDCImpl::DoDrawBitmap( const wxBitmap &bitmap,
     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;
-    }
+    if (IsOutsideOfClippingRegion( xx,yy,ww,hh ))
+        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 );
+        use_bitmap = use_bitmap.Rescale( 0, 0, wh, ww, hh );
 
-    // apply mask if any
+    // get mask if any
     GdkBitmap *mask = (GdkBitmap *) NULL;
     if (useMask && use_bitmap.GetMask())
         mask = use_bitmap.GetMask()->GetBitmap();
 
+    // for drawing a mono-bitmap we use the current text GC
     GdkGC* use_gc = is_mono ? m_textGC : m_penGC;
 
-    GdkBitmap *new_mask = (GdkBitmap*) NULL;
+    bool mask_owned = false;
 
     if (mask != NULL)
     {
         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 );
-            mask = new_mask;
-            g_object_unref (gc);
+            mask = GetClippedMask(mask, ww, hh, xx, yy, 0, 0);
+            mask_owned = true;
         }
 
         gdk_gc_set_clip_mask(use_gc, mask);
         gdk_gc_set_clip_origin(use_gc, xx, yy);
     }
 
-    // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
-    // drawing a mono-bitmap (XBitmap) we use the current text GC
+    // Draw XPixmap or XBitmap, depending on what the wxBitmap contains.
     if (is_mono)
     {
-        GdkPixmap *bitmap2 = gdk_pixmap_new( wxGetRootWindow()->window, ww, hh, -1 );
-        GdkGC *gc = gdk_gc_new( bitmap2 );
-        gdk_gc_set_foreground( gc, m_textForegroundColour.GetColor() );
-        gdk_gc_set_background( gc, m_textBackgroundColour.GetColor() );
-        gdk_wx_draw_bitmap(bitmap2, gc, use_bitmap.GetPixmap(), 0, 0);
-
-        gdk_draw_drawable(m_gdkwindow, use_gc, bitmap2, 0, 0, xx, yy, -1, -1);
-
-        g_object_unref (bitmap2);
-        g_object_unref (gc);
+        DoDrawMonoBitmap(use_bitmap, ww, hh, 0, 0, xx, yy, -1, -1);
     }
     else
     {
@@ -1201,12 +1136,9 @@ void wxWindowDCImpl::DoDrawBitmap( const wxBitmap &bitmap,
     // remove mask again if any
     if (mask != NULL)
     {
-        gdk_gc_set_clip_mask(use_gc, NULL);
-        gdk_gc_set_clip_origin(use_gc, 0, 0);
-        if (!m_currentClippingRegion.IsNull())
-            gdk_gc_set_clip_region(use_gc, m_currentClippingRegion.GetRegion());
-        if (new_mask != NULL)
-            g_object_unref(new_mask);
+        RemoveClipMask(use_gc);
+        if (mask_owned)
+            g_object_unref(mask);
     }
 }
 
@@ -1293,13 +1225,8 @@ bool wxWindowDCImpl::DoBlit( wxCoord xdest, wxCoord ydest,
     wxCoord hh = YLOG2DEVREL(height);
 
     // compare to current clipping region
-    if (!m_currentClippingRegion.IsNull())
-    {
-        wxRegion tmp( xx,yy,ww,hh );
-        tmp.Intersect( m_currentClippingRegion );
-        if (tmp.IsEmpty())
-            return true;
-    }
+    if (IsOutsideOfClippingRegion( xx,yy,ww,hh ))
+        return true;
 
     int old_logical_func = m_logicalFunction;
     SetLogicalFunction( logical_func );
@@ -1351,55 +1278,29 @@ bool wxWindowDCImpl::DoBlit( wxCoord xdest, wxCoord ydest,
 
         GdkGC* use_gc = is_mono ? m_textGC : m_penGC;
 
-        GdkBitmap *new_mask = (GdkBitmap*) NULL;
+        bool mask_owned = false;
 
         if (mask != NULL)
         {
             if (!m_currentClippingRegion.IsNull())
             {
-                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 );
-                mask = new_mask;
-                g_object_unref (gc);
+                mask = GetClippedMask(mask, bm_ww, bm_hh, cx, cy,
+                                      xsrcMask, ysrcMask);
+                mask_owned = true;
             }
 
             gdk_gc_set_clip_mask(use_gc, mask);
-            if (new_mask != NULL)
+            if (mask_owned)
                 gdk_gc_set_clip_origin(use_gc, cx, cy);
             else
                 gdk_gc_set_clip_origin(use_gc, 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
-
+        // Draw XPixmap or XBitmap, depending on what the wxBitmap contains.
         if (is_mono)
         {
-            GdkPixmap *bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bm_ww, bm_hh, -1 );
-            GdkGC *gc = gdk_gc_new( bitmap );
-            gdk_gc_set_foreground( gc, m_textForegroundColour.GetColor() );
-            gdk_gc_set_background( gc, m_textBackgroundColour.GetColor() );
-            gdk_wx_draw_bitmap(bitmap, gc, use_bitmap.GetPixmap(), 0, 0);
-
-            gdk_draw_drawable(m_gdkwindow, use_gc, bitmap, xsrc, ysrc, cx, cy, cw, ch);
-
-            g_object_unref (bitmap);
-            g_object_unref (gc);
+            DoDrawMonoBitmap(use_bitmap, bm_ww, bm_hh,
+                             xsrc, ysrc, cx, cy, cw, ch);
         }
         else
         {
@@ -1410,31 +1311,18 @@ bool wxWindowDCImpl::DoBlit( wxCoord xdest, wxCoord ydest,
         // remove mask again if any
         if (mask != NULL)
         {
-            gdk_gc_set_clip_mask(use_gc, NULL);
-            gdk_gc_set_clip_origin(use_gc, 0, 0);
-            if (!m_currentClippingRegion.IsNull())
-                gdk_gc_set_clip_region(use_gc, m_currentClippingRegion.GetRegion());
+            RemoveClipMask(use_gc);
+            if (mask_owned)
+                g_object_unref (mask);
         }
-
-        if (new_mask)
-            g_object_unref (new_mask);
     }
     else // use_bitmap_method
     {
         if (selected.IsOk() && ((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 = selected.Rescale( cx-xx, cy-yy, cw, ch, ww, hh );
-
+            wxBitmap bitmap = selected.Rescale( xsrc, ysrc, width, height, ww, hh );
             // draw scaled bitmap
-            // was: gdk_draw_drawable( m_gdkwindow, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
-            gdk_draw_drawable( m_gdkwindow, m_penGC, bitmap.GetPixmap(), 0, 0, cx, cy, -1, -1 );
+            gdk_draw_drawable( m_gdkwindow, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
         }
         else
         {
@@ -1480,11 +1368,11 @@ void wxWindowDCImpl::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
     wxCHECK_RET( m_layout, wxT("no Pango layout") );
     wxCHECK_RET( m_fontdesc, wxT("no Pango font description") );
 
-    gdk_pango_context_set_colormap( m_context, m_cmap );
+    gdk_pango_context_set_colormap( m_context, m_cmap );  // not needed in gtk+ >= 2.6
 
     bool underlined = m_font.IsOk() && m_font.GetUnderlined();
 
-    const wxCharBuffer data = wxGTK_CONV( text );
+    wxCharBuffer data = wxGTK_CONV(text);
     if ( !data )
         return;
     size_t datalen = strlen(data);
@@ -1494,7 +1382,6 @@ void wxWindowDCImpl::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
     static bool pangoOk = !wx_pango_version_check(1, 16, 0);
 
     bool needshack = underlined && !pangoOk;
-    char *hackstring = NULL;
 
     if (needshack)
     {
@@ -1506,28 +1393,20 @@ void wxWindowDCImpl::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
         // empty space characters and give them a dummy colour attribute.
         // This will force Pango to underline the leading/trailing spaces, too.
 
-        // need to realloc the string to prepend & append our special characters
-        hackstring = (char*)malloc((datalen+7)*sizeof(char));
-
+        wxCharBuffer data_tmp(datalen + 6);
         // copy the leading U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format
-        strcpy(hackstring, "\342\200\214");
-
+        memcpy(data_tmp.data(), "\342\200\214", 3);
         // copy the user string
-        memcpy(&hackstring[3], data, datalen);
-
+        memcpy(data_tmp.data() + 3, data, datalen);
         // copy the trailing U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format
-        strcpy(&hackstring[datalen+3], "\342\200\214");
+        memcpy(data_tmp.data() + 3 + datalen, "\342\200\214", 3);
 
-        // the special characters that we added require 6 additional bytes:
+        data = data_tmp;
         datalen += 6;
-
-        pango_layout_set_text(m_layout, hackstring, datalen);
-    }
-    else
-    {
-        pango_layout_set_text(m_layout, data, datalen);
     }
 
+    pango_layout_set_text(m_layout, data, datalen);
+
     if (underlined)
     {
         PangoAttrList *attrs = pango_attr_list_new();
@@ -1555,90 +1434,153 @@ void wxWindowDCImpl::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
         pango_attr_list_unref(attrs);
     }
 
-    int w,h;
-
-    if (fabs(m_scaleY - 1.0) > 0.00001)
+    int oldSize = 0;
+    const bool isScaled = fabs(m_scaleY - 1.0) > 0.00001;
+    if (isScaled)
     {
-         // If there is a user or actually any scale applied to
-         // the device context, scale the font.
+        // If there is a user or actually any scale applied to
+        // the device context, scale the font.
 
-         // scale font description
-         gint oldSize = pango_font_description_get_size( m_fontdesc );
-         double size = oldSize;
-         size = size * m_scaleY;
-         pango_font_description_set_size( m_fontdesc, (gint)size );
+        // scale font description
+        oldSize = pango_font_description_get_size(m_fontdesc);
+        pango_font_description_set_size(m_fontdesc, int(oldSize * m_scaleY));
 
-         // actually apply scaled font
-         pango_layout_set_font_description( m_layout, m_fontdesc );
+        // actually apply scaled font
+        pango_layout_set_font_description( m_layout, m_fontdesc );
+    }
+
+    int w, h;
+    pango_layout_get_pixel_size(m_layout, &w, &h);
 
-         pango_layout_get_pixel_size( m_layout, &w, &h );
-         if ( m_backgroundMode == wxSOLID )
-         {
-            gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
-            gdk_draw_rectangle(m_gdkwindow, m_textGC, TRUE, x, y, w, h);
-            gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
-         }
+    // Draw layout.
+    int x_rtl = x;
+    if (m_window && m_window->GetLayoutDirection() == wxLayout_RightToLeft)
+        x_rtl -= w;
 
-         // Draw layout.
-         if (m_window && m_window->GetLayoutDirection() == wxLayout_RightToLeft)
-             gdk_draw_layout( m_gdkwindow, m_textGC, x-w, y, m_layout );
-         else
-             gdk_draw_layout( m_gdkwindow, m_textGC, x, y, m_layout );
+    const GdkColor* bg_col = NULL;
+    if (m_backgroundMode == wxBRUSHSTYLE_SOLID) 
+        bg_col = m_textBackgroundColour.GetColor();
+    gdk_draw_layout_with_colors(m_gdkwindow, m_textGC, x_rtl, y, m_layout, NULL, bg_col);
 
+    if (isScaled)
+    {
          // reset unscaled size
          pango_font_description_set_size( m_fontdesc, oldSize );
 
          // actually apply unscaled font
          pango_layout_set_font_description( m_layout, m_fontdesc );
     }
-    else
-    {
-        pango_layout_get_pixel_size( m_layout, &w, &h );
-        if ( m_backgroundMode == wxSOLID )
-        {
-            gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
-            gdk_draw_rectangle(m_gdkwindow, m_textGC, TRUE, x, y, w, h);
-            gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
-        }
-
-        // Draw layout.
-        if (m_window && m_window->GetLayoutDirection() == wxLayout_RightToLeft)
-            gdk_draw_layout( m_gdkwindow, m_textGC, x-w, y, m_layout );
-        else
-            gdk_draw_layout( m_gdkwindow, m_textGC, x, y, m_layout );
-    }
-
     if (underlined)
     {
         // undo underline attributes setting:
         pango_layout_set_attributes(m_layout, NULL);
     }
 
-    wxCoord width = w;
-    wxCoord height = h;
-
-    width = wxCoord(width / m_scaleX);
-    height = wxCoord(height / m_scaleY);
-    CalcBoundingBox (x + width, y + height);
-    CalcBoundingBox (x, y);
-
-    if (hackstring)
-        free(hackstring);
+    CalcBoundingBox(x + int(w / m_scaleX), y + int(h / m_scaleY));
+    CalcBoundingBox(x, y);
 }
 
-
-// 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
-
+// TODO: When GTK2.6 is required, merge DoDrawText and DoDrawRotatedText to 
+// avoid code duplication
 void wxWindowDCImpl::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle )
 {
-#if wxUSE_IMAGE
     if (!m_gdkwindow || text.empty())
         return;
 
     wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
+#if __WXGTK26__
+    if (!gtk_check_version(2,6,0))
+    {
+        x = XLOG2DEV(x);
+        y = YLOG2DEV(y);
+
+        pango_layout_set_text(m_layout, wxGTK_CONV(text), -1);
+
+        if (m_font.GetUnderlined())
+        {
+            PangoAttrList *attrs = pango_attr_list_new();
+            PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
+            pango_attr_list_insert(attrs, a);
+            pango_layout_set_attributes(m_layout, attrs);
+            pango_attr_list_unref(attrs);
+        }
+
+        int oldSize = 0;
+        const bool isScaled = fabs(m_scaleY - 1.0) > 0.00001;
+        if (isScaled)
+        {
+            //TODO: when Pango >= 1.6 is required, use pango_matrix_scale()
+             // If there is a user or actually any scale applied to
+             // the device context, scale the font.
+
+             // scale font description
+            oldSize = pango_font_description_get_size(m_fontdesc);
+            pango_font_description_set_size(m_fontdesc, int(oldSize * m_scaleY));
+
+             // actually apply scaled font
+             pango_layout_set_font_description( m_layout, m_fontdesc );
+        }
+
+        int w, h;
+        pango_layout_get_pixel_size(m_layout, &w, &h);
+
+        const GdkColor* bg_col = NULL;
+        if (m_backgroundMode == wxBRUSHSTYLE_SOLID) 
+            bg_col = m_textBackgroundColour.GetColor();
+
+        // rotate the text
+        PangoMatrix matrix = PANGO_MATRIX_INIT;
+        pango_matrix_rotate (&matrix, angle);
+        pango_context_set_matrix (m_context, &matrix);
+        pango_layout_context_changed (m_layout);
+
+        // To be compatible with MSW, the rotation axis must be in the old 
+        // top-left corner.
+        // Calculate the vertices of the rotated rectangle containing the text, 
+        // relative to the old top-left vertex.
+        // We could use the matrix for this, but it's simpler with trignonometry. 
+        double rad = DegToRad(angle);
+        // the rectangle vertices are counted clockwise with the first one 
+        // being at (0, 0)
+        double x2 = w * cos(rad);
+        double y2 = -w * sin(rad);   // y axis points to the bottom, hence minus
+        double x4 = h * sin(rad);
+        double y4 = h * cos(rad);
+        double x3 = x4 + x2;
+        double y3 = y4 + y2;
+        // Then we calculate max and min of the rotated rectangle.
+        wxCoord maxX = (wxCoord)(dmax(dmax(0, x2), dmax(x3, x4)) + 0.5),
+                maxY = (wxCoord)(dmax(dmax(0, y2), dmax(y3, y4)) + 0.5),
+                minX = (wxCoord)(dmin(dmin(0, x2), dmin(x3, x4)) - 0.5),
+                minY = (wxCoord)(dmin(dmin(0, y2), dmin(y3, y4)) - 0.5);
+
+        gdk_draw_layout_with_colors(m_gdkwindow, m_textGC, x+minX, y+minY, 
+                                    m_layout, NULL, bg_col);
+
+        if (m_font.GetUnderlined())
+            pango_layout_set_attributes(m_layout, NULL);
+
+        // clean up the transformation matrix
+        pango_context_set_matrix(m_context, NULL);
+
+        if (isScaled)
+        {
+             // reset unscaled size
+             pango_font_description_set_size( m_fontdesc, oldSize );
+
+             // actually apply unscaled font
+             pango_layout_set_font_description( m_layout, m_fontdesc );
+        }
+
+        CalcBoundingBox(x+minX, y+minY);
+        CalcBoundingBox(x+maxX, y+maxY);
+    }
+    else
+#endif //__WXGTK26__
+    {
+#if wxUSE_IMAGE
     if ( wxIsNullDouble(angle) )
     {
         DoDrawText(text, x, y);
@@ -1738,6 +1680,7 @@ void wxWindowDCImpl::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord
     wxUnusedVar(y);
     wxUnusedVar(angle);
 #endif // wxUSE_IMAGE/!wxUSE_IMAGE
+    }
 }
 
 void wxWindowDCImpl::DoGetTextExtent(const wxString &string,
@@ -1759,7 +1702,7 @@ void wxWindowDCImpl::DoGetTextExtent(const wxString &string,
 
     // ensure that theFont is always non-NULL
     if ( !theFont || !theFont->IsOk() )
-        theFont = wx_const_cast(wxFont *, &m_font);
+        theFont = &m_font;
 
     // and use it if it's valid
     if ( theFont->IsOk() )
@@ -1779,24 +1722,19 @@ void wxWindowDCImpl::DoGetTextExtent(const wxString &string,
         return;
     }
 
-    pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
+    pango_layout_set_text(m_layout, dataUTF8, -1);
 
+    int h;
+    pango_layout_get_pixel_size(m_layout, width, &h);
     if (descent)
     {
-        int h;
-        pango_layout_get_pixel_size( m_layout, width, &h );
         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
         int baseline = pango_layout_iter_get_baseline(iter);
         pango_layout_iter_free(iter);
         *descent = h - PANGO_PIXELS(baseline);
-
-        if (height)
-            *height = (wxCoord) h;
-    }
-    else
-    {
-        pango_layout_get_pixel_size( m_layout, width, height );
     }
+    if (height)
+        *height = h;
 
     // Reset old font description
     if (theFont->IsOk())
@@ -1823,7 +1761,7 @@ bool wxWindowDCImpl::DoGetPartialTextExtents(const wxString& text,
         return false;
     }
 
-    pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
+    pango_layout_set_text(m_layout, dataUTF8, -1);
 
     // Calculate the position of each character based on the widths of
     // the previous characters
@@ -1955,57 +1893,39 @@ void wxWindowDCImpl::SetPen( const wxPen &pen )
     int req_nb_dash;
     const wxGTKDash *req_dash;
 
-    GdkLineStyle lineStyle = GDK_LINE_SOLID;
+    GdkLineStyle lineStyle = GDK_LINE_ON_OFF_DASH;
     switch (m_pen.GetStyle())
     {
-        case wxUSER_DASH:
-        {
-            lineStyle = GDK_LINE_ON_OFF_DASH;
+        case wxPENSTYLE_USER_DASH:
             req_nb_dash = m_pen.GetDashCount();
             req_dash = (wxGTKDash*)m_pen.GetDash();
             break;
-        }
-        case wxDOT:
-        {
-            lineStyle = GDK_LINE_ON_OFF_DASH;
+        case wxPENSTYLE_DOT:
             req_nb_dash = 2;
             req_dash = dotted;
             break;
-        }
-        case wxLONG_DASH:
-        {
-            lineStyle = GDK_LINE_ON_OFF_DASH;
+        case wxPENSTYLE_LONG_DASH:
             req_nb_dash = 2;
             req_dash = wxCoord_dashed;
             break;
-        }
-        case wxSHORT_DASH:
-        {
-            lineStyle = GDK_LINE_ON_OFF_DASH;
+        case wxPENSTYLE_SHORT_DASH:
             req_nb_dash = 2;
             req_dash = short_dashed;
             break;
-        }
-        case wxDOT_DASH:
-        {
-//            lineStyle = GDK_LINE_DOUBLE_DASH;
-            lineStyle = GDK_LINE_ON_OFF_DASH;
+        case wxPENSTYLE_DOT_DASH:
             req_nb_dash = 4;
             req_dash = dotted_dashed;
             break;
-        }
 
-        case wxTRANSPARENT:
-        case wxSTIPPLE_MASK_OPAQUE:
-        case wxSTIPPLE:
-        case wxSOLID:
+        case wxPENSTYLE_TRANSPARENT:
+        case wxPENSTYLE_STIPPLE_MASK_OPAQUE:
+        case wxPENSTYLE_STIPPLE:
+        case wxPENSTYLE_SOLID:
         default:
-        {
             lineStyle = GDK_LINE_SOLID;
             req_dash = (wxGTKDash*)NULL;
             req_nb_dash = 0;
             break;
-        }
     }
 
     if (req_dash && req_nb_dash)
@@ -2032,18 +1952,12 @@ void wxWindowDCImpl::SetPen( const wxPen &pen )
         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;
@@ -2078,7 +1992,7 @@ void wxWindowDCImpl::SetBrush( const wxBrush &brush )
 
     gdk_gc_set_fill( m_brushGC, GDK_SOLID );
 
-    if ((m_brush.GetStyle() == wxSTIPPLE) && (m_brush.GetStipple()->IsOk()))
+    if ((m_brush.GetStyle() == wxBRUSHSTYLE_STIPPLE) && (m_brush.GetStipple()->IsOk()))
     {
         if (m_brush.GetStipple()->GetDepth() != 1)
         {
@@ -2092,7 +2006,7 @@ void wxWindowDCImpl::SetBrush( const wxBrush &brush )
         }
     }
 
-    if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+    if ((m_brush.GetStyle() == wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
     {
         gdk_gc_set_fill( m_textGC, GDK_OPAQUE_STIPPLED);
         gdk_gc_set_stipple( m_textGC, m_brush.GetStipple()->GetMask()->GetBitmap() );
@@ -2101,8 +2015,7 @@ void wxWindowDCImpl::SetBrush( const wxBrush &brush )
     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] );
+        gdk_gc_set_stipple(m_brushGC, GetHatch(m_brush.GetStyle()));
     }
 }
 
@@ -2121,33 +2034,38 @@ void wxWindowDCImpl::SetBackground( const wxBrush &brush )
 
     if (!m_gdkwindow) return;
 
-    m_backgroundBrush.GetColour().CalcPixel( m_cmap );
-    gdk_gc_set_background( m_brushGC, m_backgroundBrush.GetColour().GetColor() );
-    gdk_gc_set_background( m_penGC, m_backgroundBrush.GetColour().GetColor() );
-    gdk_gc_set_background( m_bgGC, m_backgroundBrush.GetColour().GetColor() );
-    gdk_gc_set_foreground( m_bgGC, m_backgroundBrush.GetColour().GetColor() );
+    wxColor color = m_backgroundBrush.GetColour();
+    color.CalcPixel(m_cmap);
+    const GdkColor* gdkColor = color.GetColor();
+    gdk_gc_set_background(m_brushGC, gdkColor);
+    gdk_gc_set_background(m_penGC,   gdkColor);
+    gdk_gc_set_background(m_bgGC,    gdkColor);
+    gdk_gc_set_foreground(m_bgGC,    gdkColor);
+
 
     gdk_gc_set_fill( m_bgGC, GDK_SOLID );
 
-    if ((m_backgroundBrush.GetStyle() == wxSTIPPLE) && (m_backgroundBrush.GetStipple()->IsOk()))
+    if (m_backgroundBrush.GetStyle() == wxBRUSHSTYLE_STIPPLE)
     {
-        if (m_backgroundBrush.GetStipple()->GetDepth() != 1)
-        {
-            gdk_gc_set_fill( m_bgGC, GDK_TILED );
-            gdk_gc_set_tile( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() );
-        }
-        else
+        const wxBitmap* stipple = m_backgroundBrush.GetStipple();
+        if (stipple->IsOk())
         {
-            gdk_gc_set_fill( m_bgGC, GDK_STIPPLED );
-            gdk_gc_set_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() );
+            if (stipple->GetDepth() != 1)
+            {
+                gdk_gc_set_fill(m_bgGC, GDK_TILED);
+                gdk_gc_set_tile(m_bgGC, stipple->GetPixmap());
+            }
+            else
+            {
+                gdk_gc_set_fill(m_bgGC, GDK_STIPPLED);
+                gdk_gc_set_stipple(m_bgGC, stipple->GetPixmap());
+            }
         }
     }
-
-    if (m_backgroundBrush.IsHatch())
+    else 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] );
+        gdk_gc_set_stipple(m_bgGC, GetHatch(m_backgroundBrush.GetStyle()));
     }
 }
 
@@ -2180,9 +2098,7 @@ void wxWindowDCImpl::SetLogicalFunction( int function )
         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;
+        case wxNOR:          mode = GDK_NOR;           break;
         default:
            wxFAIL_MSG( wxT("unsupported logical function") );
            mode = GDK_COPY;
@@ -2240,17 +2156,6 @@ void wxWindowDCImpl::SetBackgroundMode( int mode )
     wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     m_backgroundMode = mode;
-
-    if (!m_gdkwindow) return;
-
-    // CMB 21/7/98: fill style of cross-hatch brushes is affected by
-    // transparent/solid background mode
-
-    if (m_brush.GetStyle() != wxSOLID && m_brush.GetStyle() != wxTRANSPARENT)
-    {
-        gdk_gc_set_fill( m_brushGC,
-          (m_backgroundMode == wxTRANSPARENT) ? GDK_STIPPLED : GDK_OPAQUE_STIPPLED);
-    }
 }
 
 void wxWindowDCImpl::SetPalette( const wxPalette& WXUNUSED(palette) )
@@ -2276,31 +2181,10 @@ void wxWindowDCImpl::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, w
         rect.x -= rect.width;
     }
 
-    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 );
-#if wxUSE_NEW_DC
-    wxGTKDCImpl::DoSetClippingRegion( xx, yy, ww, hh );
-#else
-    wxDC::DoSetClippingRegion( xx, yy, ww, hh );
-#endif
-
-    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() );
+    DoSetDeviceClippingRegion(wxRegion(rect));
 }
 
-void wxWindowDCImpl::DoSetClippingRegionAsRegion( const wxRegion &region  )
+void wxWindowDCImpl::DoSetDeviceClippingRegion( const wxRegion &region  )
 {
     wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
@@ -2324,27 +2208,20 @@ void wxWindowDCImpl::DoSetClippingRegionAsRegion( const wxRegion &region  )
 
     wxCoord xx, yy, ww, hh;
     m_currentClippingRegion.GetBox( xx, yy, ww, hh );
-#if wxUSE_NEW_DC
     wxGTKDCImpl::DoSetClippingRegion( xx, yy, ww, hh );
-#else
-    wxDC::DoSetClippingRegion( xx, yy, ww, hh );
-#endif
 
-    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() );
+    GdkRegion* gdkRegion = m_currentClippingRegion.GetRegion();
+    gdk_gc_set_clip_region(m_penGC,   gdkRegion);
+    gdk_gc_set_clip_region(m_brushGC, gdkRegion);
+    gdk_gc_set_clip_region(m_textGC,  gdkRegion);
+    gdk_gc_set_clip_region(m_bgGC,    gdkRegion);
 }
 
 void wxWindowDCImpl::DestroyClippingRegion()
 {
     wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
-#if wxUSE_NEW_DC
     wxDCImpl::DestroyClippingRegion();
-#else
-    wxDC::DestroyClippingRegion();
-#endif
 
     m_currentClippingRegion.Clear();
 
@@ -2355,20 +2232,14 @@ void wxWindowDCImpl::DestroyClippingRegion()
 
     if (!m_gdkwindow) return;
 
-    if (m_currentClippingRegion.IsEmpty())
-    {
-        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 );
-    }
-    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() );
-    }
+    GdkRegion* gdkRegion = NULL;
+    if (!m_currentClippingRegion.IsEmpty())
+        gdkRegion = m_currentClippingRegion.GetRegion();
+
+    gdk_gc_set_clip_region(m_penGC,   gdkRegion);
+    gdk_gc_set_clip_region(m_brushGC, gdkRegion);
+    gdk_gc_set_clip_region(m_textGC,  gdkRegion);
+    gdk_gc_set_clip_region(m_bgGC,    gdkRegion);
 }
 
 void wxWindowDCImpl::Destroy()
@@ -2407,11 +2278,7 @@ void wxWindowDCImpl::ComputeScaleAndOrigin()
 {
     const wxRealPoint origScale(m_scaleX, m_scaleY);
 
-#if wxUSE_NEW_DC
     wxDCImpl::ComputeScaleAndOrigin();
-#else
-    wxDC::ComputeScaleAndOrigin();
-#endif
 
     // if scale has changed call SetPen to recalulate the line width
     if ( wxRealPoint(m_scaleX, m_scaleY) != origScale && m_pen.IsOk() )
@@ -2551,4 +2418,10 @@ bool wxDCModule::OnInit()
 void wxDCModule::OnExit()
 {
     wxCleanUpGCPool();
+
+    for (int i = wxBRUSHSTYLE_LAST_HATCH - wxBRUSHSTYLE_FIRST_HATCH; i--; )
+    {
+        if (hatches[i])
+            g_object_unref(hatches[i]);
+    }
 }