Don't build tex2rtf and HelpGen utils in non-GUI buildbot builds.

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

diff --git a/src/gtk/dcclient.cpp b/src/gtk/dcclient.cpp
index eadd93d70cf5d2d7fbaff768e1b5077f145c3ed8..35b0fd4ff67eafdf0640b9187e89a15ed34ecb47 100644 (file)
--- a/src/gtk/dcclient.cpp
+++ b/src/gtk/dcclient.cpp
@@ -1,23 +1,42 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        dcclient.cpp
-// Purpose:
+// Name:        src/gtk/dcclient.cpp
+// Purpose:     wxWindowDCImpl implementation

 // Author:      Robert Roebling
 // RCS-ID:      $Id$
 // 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"
+
+#include "wx/gtk/dcclient.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/window.h"
+    #include "wx/log.h"
+    #include "wx/dcmemory.h"
+    #include "wx/math.h"
+    #include "wx/image.h"
+    #include "wx/module.h"

 #endif
 
 #endif
 

-#include "wx/dcclient.h"
-#include "wx/dcmemory.h"
-#include "wx/image.h"
-#include <math.h>
+#include "wx/fontutil.h"

 
 

-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
+#include "wx/gtk/private.h"
+#include "wx/gtk/private/object.h"
+#include "wx/private/textmeasure.h"
+
+//-----------------------------------------------------------------------------
+// local defines
+//-----------------------------------------------------------------------------
+
+#define XLOG2DEV(x)    LogicalToDeviceX(x)
+#define XLOG2DEVREL(x) LogicalToDeviceXRel(x)
+#define YLOG2DEV(y)    LogicalToDeviceY(y)
+#define YLOG2DEVREL(y) LogicalToDeviceYRel(y)
+
+#define USE_PAINT_REGION 1

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


@@ -29,111 +48,277 @@
 #include "horiz.xbm"
 #include "verti.xbm"
 #include "cross.xbm"
 #include "horiz.xbm"
 #include "verti.xbm"
 #include "cross.xbm"

-#define  num_hatches 6

 
 

-static GdkPixmap  *hatches[num_hatches];
-static GdkPixmap **hatch_bitmap = (GdkPixmap **) NULL;
+static GdkPixmap* hatches[wxBRUSHSTYLE_LAST_HATCH - wxBRUSHSTYLE_FIRST_HATCH + 1];

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

-#define RAD2DEG 57.2957795131
+static 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; }
+
+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)
+    {
+        // This macro creates a bitmap from an XBM file included above. Notice
+        // the need for the cast because gdk_bitmap_create_from_data() doesn't
+        // accept unsigned data but the arrays in XBM need to be unsigned to
+        // avoid warnings (and even errors in C+0x mode) from g++.
+#define CREATE_FROM_XBM_DATA(name) \
+        gdk_bitmap_create_from_data \
+        ( \
+            NULL, \
+            reinterpret_cast<gchar *>(name ## _bits), \
+            name ## _width, \
+            name ## _height \
+        )
+
+        switch (style)
+        {
+        case wxBRUSHSTYLE_BDIAGONAL_HATCH:
+            hatches[i] = CREATE_FROM_XBM_DATA(bdiag);
+            break;
+        case wxBRUSHSTYLE_CROSSDIAG_HATCH:
+            hatches[i] = CREATE_FROM_XBM_DATA(cdiag);
+            break;
+        case wxBRUSHSTYLE_CROSS_HATCH:
+            hatches[i] = CREATE_FROM_XBM_DATA(cross);
+            break;
+        case wxBRUSHSTYLE_FDIAGONAL_HATCH:
+            hatches[i] = CREATE_FROM_XBM_DATA(fdiag);
+            break;
+        case wxBRUSHSTYLE_HORIZONTAL_HATCH:
+            hatches[i] = CREATE_FROM_XBM_DATA(horiz);
+            break;
+        case wxBRUSHSTYLE_VERTICAL_HATCH:
+            hatches[i] = CREATE_FROM_XBM_DATA(verti);
+            break;
+        }
+
+#undef CREATE_FROM_XBM_DATA
+    }
+    return hatches[i];
+}

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

-// temporary implementation of the missing GDK function
+// Implement Pool of Graphic contexts. Creating them takes too much time.

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

-#include "gdk/gdkprivate.h"
-
-void gdk_draw_bitmap     (GdkDrawable  *drawable,
-                          GdkGC               *gc,
-                          GdkDrawable  *src,
-                          gint                xsrc,
-                          gint                ysrc,
-                          gint                xdest,
-                          gint                ydest,
-                          gint                width,
-                          gint                height)
-{
-    GdkWindowPrivate *drawable_private;
-    GdkWindowPrivate *src_private;
-    GdkGCPrivate *gc_private;
-
-    g_return_if_fail (drawable != NULL);
-    g_return_if_fail (src != NULL);
-    g_return_if_fail (gc != NULL);
-
-    drawable_private = (GdkWindowPrivate*) drawable;
-    src_private = (GdkWindowPrivate*) src;
-    if (drawable_private->destroyed || src_private->destroyed)
+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,
+   wxTEXT_COLOUR_ALPHA,
+   wxBG_COLOUR_ALPHA,
+   wxPEN_COLOUR_ALPHA,
+   wxBRUSH_COLOUR_ALPHA
+};
+
+struct wxGC
+{
+    GdkGC        *m_gc;
+    wxPoolGCType  m_type;
+    bool          m_used;
+};
+
+#define GC_POOL_ALLOC_SIZE 100
+
+static int wxGCPoolSize = 0;
+
+static wxGC *wxGCPool = NULL;
+
+static void wxInitGCPool()
+{
+    // 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;
         return;

-        
-    gc_private = (GdkGCPrivate*) gc;
+    }

 
 

-    if (width == -1) width = src_private->width;
-    if (height == -1) height = src_private->height;
+    // Zero initial pool.
+    memset(wxGCPool, 0, wxGCPoolSize * sizeof(wxGC));
+}
+
+static void wxCleanUpGCPool()
+{
+    for (int i = 0; i < wxGCPoolSize; i++)
+    {
+        if (wxGCPool[i].m_gc)
+            g_object_unref (wxGCPool[i].m_gc);
+    }

 
 

-    XCopyPlane( drawable_private->xdisplay,
-                src_private->xwindow,
-                drawable_private->xwindow,
-                gc_private->xgc,
-                xsrc, ysrc,
-                width, height,
-                xdest, ydest,
-                1 );
+    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") );

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

-IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
+IMPLEMENT_ABSTRACT_CLASS(wxWindowDCImpl, wxGTKDCImpl)

 
 

-wxWindowDC::wxWindowDC()
+wxWindowDCImpl::wxWindowDCImpl( wxDC *owner ) :
+   wxGTKDCImpl( owner )

 {
 {

-    m_penGC = (GdkGC *) NULL;
-    m_brushGC = (GdkGC *) NULL;
-    m_textGC = (GdkGC *) NULL;
-    m_bgGC = (GdkGC *) NULL;
-    m_cmap = (GdkColormap *) NULL;
-    m_isMemDC = FALSE;
-    m_owner = (wxWindow *)NULL;
+    m_gdkwindow = NULL;
+    m_penGC = NULL;
+    m_brushGC = NULL;
+    m_textGC = NULL;
+    m_bgGC = NULL;
+    m_cmap = NULL;
+    m_isScreenDC = false;
+    m_context = NULL;
+    m_layout = NULL;
+    m_fontdesc = NULL;

 }
 
 }
 

-wxWindowDC::wxWindowDC( wxWindow *window )
+wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow *window ) :
+   wxGTKDCImpl( owner )

 {
 {

-    m_penGC = (GdkGC *) NULL;
-    m_brushGC = (GdkGC *) NULL;
-    m_textGC = (GdkGC *) NULL;
-    m_bgGC = (GdkGC *) NULL;
-    m_cmap = (GdkColormap *) NULL;
-    m_owner = (wxWindow *)NULL;
-    m_isMemDC = FALSE;
+    wxASSERT_MSG( window, wxT("DC needs a window") );
+
+    m_gdkwindow = NULL;
+    m_penGC = NULL;
+    m_brushGC = NULL;
+    m_textGC = NULL;
+    m_bgGC = NULL;
+    m_cmap = NULL;
+    m_isScreenDC = false;

     m_font = window->GetFont();
     m_font = window->GetFont();

-  
-    wxASSERT_MSG( window, _T("DC needs a window") );
-    
+

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

-    
-    wxASSERT_MSG( widget, _T("DC needs a widget") );
-    
-    m_window = widget->window;
-    
-    /* not realized ? */
-    if (!m_window)
-    {
-         /* don't report problems */
-        m_ok = TRUE;
-        
-        return;
-    }
-    
-    if (window->m_wxwindow)
-        m_cmap = gtk_widget_get_colormap( window->m_wxwindow );
-    else
-        m_cmap = gtk_widget_get_colormap( window->m_widget );
-        
+    m_gdkwindow = window->GTKGetDrawingWindow();
+
+    // Some controls don't have m_wxwindow - like wxStaticBox, but the user
+    // code should still be able to create wxClientDCs for them
+    if ( !widget )
+    {
+        widget = window->m_widget;
+
+        wxCHECK_RET(widget, "DC needs a widget");
+
+        m_gdkwindow = widget->window;
+        if (!gtk_widget_get_has_window(widget))
+            SetDeviceLocalOrigin(widget->allocation.x, widget->allocation.y);
+    }
+
+    m_context = window->GTKGetPangoDefaultContext();
+    m_layout = pango_layout_new( m_context );
+    m_fontdesc = pango_font_description_copy( widget->style->font_desc );
+
+    // Window not realized ?
+    if (!m_gdkwindow)
+    {
+         // Don't report problems as per MSW.
+         m_ok = true;
+
+         return;
+    }
+
+    m_cmap = gtk_widget_get_colormap(widget);
+

     SetUpDC();
 
     /* this must be done after SetUpDC, bacause SetUpDC calls the
     SetUpDC();
 
     /* this must be done after SetUpDC, bacause SetUpDC calls the


@@ -142,88 +327,285 @@ wxWindowDC::wxWindowDC( wxWindow *window )
        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) */
        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;
+
+    m_window = window;
+
+    if (m_window && m_window->m_wxwindow &&
+        (m_window->GetLayoutDirection() == wxLayout_RightToLeft))
+    {
+        // reverse sense
+        m_signX = -1;
+
+        // origin in the upper right corner
+        m_deviceOriginX = m_window->GetClientSize().x;
+    }

 }
 
 }
 

-wxWindowDC::~wxWindowDC()
+wxWindowDCImpl::~wxWindowDCImpl()

 {
     Destroy();
 {
     Destroy();

+
+    if (m_layout)
+        g_object_unref (m_layout);
+    if (m_fontdesc)
+        pango_font_description_free( m_fontdesc );

 }
 
 }
 

-void wxWindowDC::DoFloodFill( long WXUNUSED(x), long WXUNUSED(y), 
-                           const wxColour &WXUNUSED(col), int WXUNUSED(style) )
+void wxWindowDCImpl::SetUpDC( bool isMemDC )

 {
 {

-    wxFAIL_MSG( _T("wxWindowDC::DoFloodFill not implemented") );
+    m_ok = true;
+
+    wxASSERT_MSG( !m_penGC, wxT("GCs already created") );
+
+    bool done = false;
+
+    if ((isMemDC) && (GetSelectedBitmap().IsOk()))
+    {
+        if (GetSelectedBitmap().GetDepth() == 1)
+        {
+            m_penGC = wxGetPoolGC( m_gdkwindow, wxPEN_MONO );
+            m_brushGC = wxGetPoolGC( m_gdkwindow, wxBRUSH_MONO );
+            m_textGC = wxGetPoolGC( m_gdkwindow, wxTEXT_MONO );
+            m_bgGC = wxGetPoolGC( m_gdkwindow, wxBG_MONO );
+            done = true;
+        }
+    }
+
+    if (!done)
+    {
+        if (m_isScreenDC)
+        {
+            m_penGC = wxGetPoolGC( m_gdkwindow, wxPEN_SCREEN );
+            m_brushGC = wxGetPoolGC( m_gdkwindow, wxBRUSH_SCREEN );
+            m_textGC = wxGetPoolGC( m_gdkwindow, wxTEXT_SCREEN );
+            m_bgGC = wxGetPoolGC( m_gdkwindow, wxBG_SCREEN );
+        }
+#if GTK_CHECK_VERSION(2,12,0)
+        // gdk_screen_get_rgba_colormap was added in 2.8, but this code is for
+        // compositing which requires 2.12
+        else if (gtk_check_version(2,12,0) == NULL &&
+            m_cmap == gdk_screen_get_rgba_colormap(gdk_colormap_get_screen(m_cmap)))
+        {
+            m_penGC = wxGetPoolGC( m_gdkwindow, wxPEN_COLOUR_ALPHA );
+            m_brushGC = wxGetPoolGC( m_gdkwindow, wxBRUSH_COLOUR_ALPHA );
+            m_textGC = wxGetPoolGC( m_gdkwindow, wxTEXT_COLOUR_ALPHA );
+            m_bgGC = wxGetPoolGC( m_gdkwindow, wxBG_COLOUR_ALPHA );
+        }
+#endif
+        else
+        {
+            m_penGC = wxGetPoolGC( m_gdkwindow, wxPEN_COLOUR );
+            m_brushGC = wxGetPoolGC( m_gdkwindow, wxBRUSH_COLOUR );
+            m_textGC = wxGetPoolGC( m_gdkwindow, wxTEXT_COLOUR );
+            m_bgGC = wxGetPoolGC( m_gdkwindow, wxBG_COLOUR );
+        }
+    }
+
+    /* background colour */
+    m_backgroundBrush = *wxWHITE_BRUSH;
+    m_backgroundBrush.GetColour().CalcPixel( m_cmap );
+    const 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 );
+
+    gdk_gc_set_colormap( m_textGC, m_cmap );
+
+    /* 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 );
+}
+
+void wxWindowDCImpl::DoGetSize( int* width, int* height ) const
+{
+    wxCHECK_RET( m_window, wxT("GetSize() doesn't work without window") );
+
+    m_window->GetSize(width, height);

 }
 
 }
 

-bool wxWindowDC::DoGetPixel( long WXUNUSED(x1), long WXUNUSED(y1), wxColour *WXUNUSED(col) ) const
+bool wxWindowDCImpl::DoFloodFill(wxCoord x, wxCoord y,
+                                 const wxColour& col, wxFloodFillStyle style)

 {
 {

-    wxFAIL_MSG( _T("wxWindowDC::DoGetPixel not implemented") );
-    return FALSE;
+#if wxUSE_IMAGE
+    extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
+                              const wxColour & col, wxFloodFillStyle style);
+
+    return wxDoFloodFill( GetOwner(), x, y, col, style);
+#else
+    wxUnusedVar(x);
+    wxUnusedVar(y);
+    wxUnusedVar(col);
+    wxUnusedVar(style);
+
+    return false;
+#endif

 }
 
 }
 

-void wxWindowDC::DoDrawLine( long x1, long y1, long x2, long y2 )
+bool wxWindowDCImpl::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
-    if (m_pen.GetStyle() != wxTRANSPARENT)
+    GdkImage* image = NULL;
+    if (m_gdkwindow)

     {
     {

-        if (m_window)
-            gdk_draw_line( m_window, m_penGC, XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
-                       
+        const int x = LogicalToDeviceX(x1);
+        const int y = LogicalToDeviceY(y1);
+        wxRect rect;
+        gdk_drawable_get_size(m_gdkwindow, &rect.width, &rect.height);
+        if (rect.Contains(x, y))
+            image = gdk_drawable_get_image(m_gdkwindow, x, y, 1, 1);
+    }
+    if (image == NULL)
+    {
+        *col = wxColour();
+        return false;
+    }
+    GdkColormap* colormap = gdk_image_get_colormap(image);
+    const unsigned pixel = gdk_image_get_pixel(image, 0, 0);
+    if (colormap == NULL)
+        *col = pixel ? m_textForegroundColour : m_textBackgroundColour;
+    else
+    {
+        GdkColor c;
+        gdk_colormap_query_color(colormap, pixel, &c);
+        col->Set(c.red >> 8, c.green >> 8, c.blue >> 8);
+    }
+    g_object_unref(image);
+    return true;
+}
+
+void wxWindowDCImpl::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
+{
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+    if ( m_pen.IsNonTransparent() )
+    {
+        if (m_gdkwindow)
+            gdk_draw_line( m_gdkwindow, m_penGC, XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
+

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

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

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
-    if (m_pen.GetStyle() != wxTRANSPARENT)
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+    if ( m_pen.IsNonTransparent() )

     {
         int w = 0;
         int h = 0;
     {
         int w = 0;
         int h = 0;

-        GetSize( &w, &h );
-        long xx = XLOG2DEV(x);
-        long 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) );
-       }
+        GetOwner()->GetSize( &w, &h );
+        wxCoord xx = XLOG2DEV(x);
+        wxCoord yy = YLOG2DEV(y);
+        if (m_gdkwindow)
+        {
+            gdk_draw_line( m_gdkwindow, m_penGC, 0, yy, XLOG2DEVREL(w), yy );
+            gdk_draw_line( m_gdkwindow, m_penGC, xx, 0, xx, YLOG2DEVREL(h) );
+        }
+    }
+}
+
+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 wxWindowDC::DoDrawArc( long x1, long y1, long x2, long y2,
-                            long xc, long yc )
+void wxWindowDCImpl::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
+                            wxCoord xc, wxCoord yc )

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
-    long xx1 = XLOG2DEV(x1); 
-    long yy1 = YLOG2DEV(y1);
-    long xx2 = XLOG2DEV(x2); 
-    long yy2 = YLOG2DEV(y2);
-    long xxc = XLOG2DEV(xc); 
-    long yyc = YLOG2DEV(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) ?
             (yy1 - yyc < 0) ? 90.0 : -90.0 :
     {
         radius1 = (xx1 - xxc == 0) ?
             (yy1 - yyc < 0) ? 90.0 : -90.0 :


@@ -232,130 +614,204 @@ void wxWindowDC::DoDrawArc( long x1, long y1, long x2, long y2,
             (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_window)
+    if (m_gdkwindow)

     {
     {

-        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_brush.IsNonTransparent() )
+        {
+            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.IsNonTransparent() )
+        {
+            gdk_draw_arc( m_gdkwindow, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+
+            if ( m_brush.IsNonTransparent() && (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 );
+            }
+        }

     }
     }

-      
+

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

-void wxWindowDC::DoDrawEllipticArc( 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 )

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
-    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; }

-  
-    if (m_window)
-    {
-        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_gdkwindow)
+    {
+        wxCoord start = wxCoord(sa * 64.0);
+        wxCoord end = wxCoord((ea-sa) * 64.0);
+
+        if ( m_brush.IsNonTransparent() )
+        {
+            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.IsNonTransparent() )
+            gdk_draw_arc( m_gdkwindow, m_penGC, FALSE, xx, yy, ww, hh, start, end );
+    }
+

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

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

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
-    if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window)
-        gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
-        
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+    if ( m_pen.IsNonTransparent() && m_gdkwindow )
+        gdk_draw_point( m_gdkwindow, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
+

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

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

 {
 {

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

     if (n <= 0) return;
     if (n <= 0) return;

-  
-    CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
-    
-    for (int i = 0; i < n-1; i++)
+
+    if ( m_pen.IsTransparent() )
+        return;
+
+    //Check, if scaling is necessary
+    const bool doScale =
+        xoffset != 0 || yoffset != 0 || XLOG2DEV(10) != 10 || YLOG2DEV(10) != 10;
+
+    // GdkPoint and wxPoint have the same memory layout, so we can cast one to the other
+    const GdkPoint* gpts = reinterpret_cast<const GdkPoint*>(points);
+    GdkPoint* gpts_alloc = NULL;
+
+    if (doScale)

     {
     {

-        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);
-       if (m_window)
-            gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );
-        
-        CalcBoundingBox( points[i+1].x + xoffset, points[i+1].y + yoffset );
+        gpts_alloc = new GdkPoint[n];
+        gpts = gpts_alloc;

     }
     }

+
+    for (int i = 0; i < n; i++)
+    {
+        if (doScale)
+        {
+            gpts_alloc[i].x = XLOG2DEV(points[i].x + xoffset);
+            gpts_alloc[i].y = YLOG2DEV(points[i].y + yoffset);
+        }
+        CalcBoundingBox(points[i].x + xoffset, points[i].y + yoffset);
+    }
+
+    if (m_gdkwindow)
+        gdk_draw_lines( m_gdkwindow, m_penGC, (GdkPoint*) gpts, n);
+
+    delete[] gpts_alloc;

 }
 
 }
 

-void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle) )
+void wxWindowDCImpl::DoDrawPolygon( int n, const wxPoint points[],
+                                    wxCoord xoffset, wxCoord yoffset,
+                                    wxPolygonFillMode WXUNUSED(fillStyle) )

 {
 {

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

     if (n <= 0) return;
     if (n <= 0) return;

-    
-    GdkPoint *gdkpoints = new GdkPoint[n+1];
+
+    //Check, if scaling is necessary
+    const bool doScale =
+        xoffset != 0 || yoffset != 0 || XLOG2DEV(10) != 10 || YLOG2DEV(10) != 10;
+
+    // GdkPoint and wxPoint have the same memory layout, so we can cast one to the other
+    const GdkPoint* gdkpoints = reinterpret_cast<const GdkPoint*>(points);
+    GdkPoint* gdkpoints_alloc = NULL;
+
+    if (doScale)
+    {
+        gdkpoints_alloc = new GdkPoint[n];
+        gdkpoints = gdkpoints_alloc;
+    }
+

     int i;
     for (i = 0 ; i < n ; i++)
     {
     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 (doScale)
+        {
+            gdkpoints_alloc[i].x = XLOG2DEV(points[i].x + xoffset);
+            gdkpoints_alloc[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) && m_window)
+
+    if (m_gdkwindow)

     {
     {

-        for (i = 0 ; i < n ; i++)
+        if ( m_brush.IsNonTransparent() )
+        {
+            GdkGC* gc;
+            bool originChanged;
+            DrawingSetup(gc, originChanged);
+
+            gdk_draw_polygon(m_gdkwindow, gc, true, (GdkPoint*) gdkpoints, n);
+
+            if (originChanged)
+                gdk_gc_set_ts_origin(gc, 0, 0);
+        }
+
+        if ( m_pen.IsNonTransparent() )

         {
         {

-            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);
+/*
+            for (i = 0 ; i < n ; i++)
+            {
+                gdk_draw_line( m_gdkwindow, m_penGC,
+                               gdkpoints[i%n].x,
+                               gdkpoints[i%n].y,
+                               gdkpoints[(i+1)%n].x,
+                               gdkpoints[(i+1)%n].y);
+            }
+*/
+            gdk_draw_polygon( m_gdkwindow, m_penGC, FALSE, (GdkPoint*) gdkpoints, n );
+

         }
     }
         }
     }

-        
-    delete[] gdkpoints;
+
+    delete[] gdkpoints_alloc;

 }
 
 }
 

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

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
+    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;
 


@@ -363,30 +819,66 @@ void wxWindowDC::DoDrawRectangle( 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_window)
+    if (m_gdkwindow)

     {
     {

-        if (m_brush.GetStyle() != wxTRANSPARENT)
-            gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
-    
-        if (m_pen.GetStyle() != wxTRANSPARENT)
-            gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 );
+        if ( m_brush.IsNonTransparent() )
+        {
+            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.IsNonTransparent() )
+        {
+            if ((m_pen.GetWidth() == 2) && (m_pen.GetCap() == wxCAP_ROUND) &&
+                (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 );
+
+                if (m_signX == -1)
+                {
+                    // Different for RTL
+                    gdk_draw_rectangle( m_gdkwindow, m_penGC, FALSE, xx+1, yy, ww-2, hh-2 );
+                    gdk_draw_rectangle( m_gdkwindow, m_penGC, FALSE, xx, yy-1, ww, hh );
+                }
+                else
+                {
+                    gdk_draw_rectangle( m_gdkwindow, m_penGC, FALSE, xx, yy, ww-2, hh-2 );
+                    gdk_draw_rectangle( m_gdkwindow, m_penGC, FALSE, xx-1, yy-1, ww, hh );
+                }
+
+                // reset
+                gdk_gc_set_line_attributes( m_penGC, 2, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND );
+            }
+            else
+            {
+                // Just use X11 for other cases
+                gdk_draw_rectangle( m_gdkwindow, m_penGC, FALSE, xx, yy, ww-1, hh-1 );
+            }
+        }

     }
     }

- 
+

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

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

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
+    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; }


@@ -396,7 +888,7 @@ void wxWindowDC::DoDrawRoundedRectangle( long x, long y, long width, long height
     // 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;
     }
 


@@ -405,1040 +897,1325 @@ void wxWindowDC::DoDrawRoundedRectangle( long x, long y, long width, long height
 
     // CMB: adjust size if outline is drawn otherwise the result is
     // 1 pixel too wide and high
 
     // 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.IsNonTransparent() )

     {
         ww--;
         hh--;
     }
 
     {
         ww--;
         hh--;
     }
 

-    if (m_window)
+    if (m_gdkwindow)

     {
         // CMB: ensure dd is not larger than rectangle otherwise we
         // get an hour glass shape
     {
         // CMB: ensure dd is not larger than rectangle otherwise we
         // get an hour glass shape

-        long dd = 2 * rr;
+        wxCoord dd = 2 * rr;

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

-        if (m_brush.GetStyle() != wxTRANSPARENT)
+        if ( m_brush.IsNonTransparent() )

         {
         {

-            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 );
+            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)
-        {    
-            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_pen.IsNonTransparent() )
+        {
+            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 );
+            gdk_draw_line( m_gdkwindow, m_penGC, xx, yy+rr+1, xx, yy+hh-rr );
+            gdk_draw_line( m_gdkwindow, m_penGC, xx+ww, yy+rr+1, xx+ww, yy+hh-rr );
+            gdk_draw_arc( m_gdkwindow, m_penGC, FALSE, xx, yy, dd, dd, 90*64, 90*64 );
+            gdk_draw_arc( m_gdkwindow, m_penGC, FALSE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
+            gdk_draw_arc( m_gdkwindow, m_penGC, FALSE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
+            gdk_draw_arc( m_gdkwindow, m_penGC, FALSE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+        }
+    }
+

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

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

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
-    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; }

-  
-    if (m_window)
+
+    if (m_gdkwindow)

     {
     {

-        if (m_brush.GetStyle() != wxTRANSPARENT)
-            gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
-  
-        if (m_pen.GetStyle() != wxTRANSPARENT)
-            gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 );
+        if ( m_brush.IsNonTransparent() )
+        {
+            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.IsTransparent())
+            {
+                ++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.IsNonTransparent() )
+            gdk_draw_arc( m_gdkwindow, m_penGC, false, xx, yy, ww, hh, 0, 360*64 );

     }
     }

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

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

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

 {
     // VZ: egcs 1.0.3 refuses to compile this without cast, no idea why
 {
     // VZ: egcs 1.0.3 refuses to compile this without cast, no idea why

-    DoDrawBitmap( (const wxBitmap&)icon, x, y, (bool)TRUE );
+    DoDrawBitmap( (const wxBitmap&)icon, x, y, true );

 }
 
 }
 

-void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
-                               long x, long y,
-                               bool useMask )
+// scale a pixbuf
+static GdkPixbuf*
+Scale(GdkPixbuf* pixbuf, int dst_w, int dst_h, double sx, double sy)

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
-    wxCHECK_RET( bitmap.Ok(), _T("invalid bitmap") );
-    
-    /* 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);
-    
-    /* scale bitmap if required */
-    
-    wxBitmap use_bitmap;
-    
-    if ((w != ww) || (h != hh))
-    {
-        wxImage image( bitmap );
-        image = image.Scale( ww, hh );
-        
-        use_bitmap = image.ConvertToBitmap();
-    }
-    else
+    GdkPixbuf* pixbuf_scaled = gdk_pixbuf_new(
+        GDK_COLORSPACE_RGB, gdk_pixbuf_get_has_alpha(pixbuf), 8, dst_w, dst_h);
+    gdk_pixbuf_scale(pixbuf, pixbuf_scaled,
+        0, 0, dst_w, dst_h, 0, 0, sx, sy, GDK_INTERP_NEAREST);
+    return pixbuf_scaled;
+}
+
+// scale part of a pixmap using pixbuf scaling
+static GdkPixbuf*
+Scale(GdkPixmap* pixmap, int x, int y, int w, int h, int dst_w, int dst_h, double sx, double sy)
+{
+    GdkPixbuf* pixbuf = gdk_pixbuf_get_from_drawable(
+        NULL, pixmap, NULL, x, y, 0, 0, w, h);
+    GdkPixbuf* pixbuf2 = Scale(pixbuf, dst_w, dst_h, sx, sy);
+    g_object_unref(pixbuf);
+    return pixbuf2;
+}
+
+// scale part of a mask pixmap
+static GdkPixmap*
+ScaleMask(GdkPixmap* mask, int x, int y, int w, int h, int dst_w, int dst_h, double sx, double sy)
+{
+    GdkPixbuf* pixbuf = Scale(mask, x, y, w, h, dst_w, dst_h, sx, sy);
+
+    // convert black and white pixbuf back to a mono pixmap
+    const unsigned out_rowstride = (dst_w + 7) / 8;
+    const size_t data_size = out_rowstride * size_t(dst_h);
+    char* data = new char[data_size];
+    char* out = data;
+    const guchar* row = gdk_pixbuf_get_pixels(pixbuf);
+    const int rowstride = gdk_pixbuf_get_rowstride(pixbuf);
+    memset(data, 0, data_size);
+    for (int j = 0; j < dst_h; j++, row += rowstride, out += out_rowstride)

     {
     {

-        use_bitmap = bitmap;
+        const guchar* in = row;
+        for (int i = 0; i < dst_w; i++, in += 3)
+            if (*in)
+                out[i >> 3] |= 1 << (i & 7);

     }
     }

-    
-    /* apply mask if any */
-    
-    GdkBitmap *mask = (GdkBitmap *) NULL;
-    if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
-    
-    if (useMask && mask) 
+    g_object_unref(pixbuf);
+    GdkPixmap* pixmap = gdk_bitmap_create_from_data(mask, data, dst_w, dst_h);
+    delete[] data;
+    return pixmap;
+}
+
+// Make a new mask from part of a mask and a clip region.
+static GdkPixmap*
+ClipMask(GdkPixmap* mask, GdkRegion* clipRegion, int x, int y, int dst_x, int dst_y, int w, int h)
+{
+    GdkGCValues gcValues;
+    gcValues.foreground.pixel = 0;
+    GdkGC* gc = gdk_gc_new_with_values(mask, &gcValues, GDK_GC_FOREGROUND);
+    GdkPixmap* pixmap = gdk_pixmap_new(mask, w, h, 1);
+    // clear new mask, so clipped areas will be masked
+    gdk_draw_rectangle(pixmap, gc, true, 0, 0, w, h);
+    gdk_gc_set_clip_region(gc, clipRegion);
+    gdk_gc_set_clip_origin(gc, -dst_x, -dst_y);
+    // draw old mask onto new one, with clip
+    gdk_draw_drawable(pixmap, gc, mask, x, y, 0, 0, w, h);
+    g_object_unref(gc);
+    return pixmap;
+}
+
+// make a color pixmap from part of a mono one, using text fg/bg colors
+GdkPixmap*
+wxWindowDCImpl::MonoToColor(GdkPixmap* monoPixmap, int x, int y, int w, int h) const
+{
+    GdkPixmap* pixmap = gdk_pixmap_new(m_gdkwindow, w, h, -1);
+    GdkGCValues gcValues;
+    gcValues.foreground.pixel = m_textForegroundColour.GetColor()->pixel;
+    gcValues.background.pixel = m_textBackgroundColour.GetColor()->pixel;
+    gcValues.stipple = monoPixmap;
+    gcValues.fill = GDK_OPAQUE_STIPPLED;
+    gcValues.ts_x_origin = -x;
+    gcValues.ts_y_origin = -y;
+    GdkGC* gc = gdk_gc_new_with_values(pixmap, &gcValues, GdkGCValuesMask(
+        GDK_GC_FOREGROUND | GDK_GC_BACKGROUND | GDK_GC_STIPPLE | GDK_GC_FILL |
+        GDK_GC_TS_X_ORIGIN | GDK_GC_TS_Y_ORIGIN));
+    gdk_draw_rectangle(pixmap, gc, true, 0, 0, w, h);
+    g_object_unref(gc);
+    return pixmap;
+}
+
+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") );
+
+    if (!m_gdkwindow) return;
+
+    const int w = bitmap.GetWidth();
+    const int h = bitmap.GetHeight();
+
+    // notice that as the bitmap is not drawn upside down (or right to left)
+    // even if the corresponding axis direction is inversed, we need to take it
+    // into account when calculating its bounding box
+    CalcBoundingBox(x, y);
+    CalcBoundingBox(x + m_signX*w, y + m_signY*h);
+
+    // device coords
+    int xx = LogicalToDeviceX(x);
+    const int yy = LogicalToDeviceY(y);
+    const int ww = LogicalToDeviceXRel(w);
+    const int hh = LogicalToDeviceYRel(h);
+
+    if (m_window && m_window->GetLayoutDirection() == wxLayout_RightToLeft)
+        xx -= ww;
+
+    GdkRegion* const clipRegion = m_currentClippingRegion.GetRegion();
+    // determine clip region overlap
+    int overlap = wxInRegion;
+    if (clipRegion)

     {
     {

-        gdk_gc_set_clip_mask( m_penGC, mask );
-        gdk_gc_set_clip_origin( m_penGC, xx, yy );
+        overlap = m_currentClippingRegion.Contains(xx, yy, ww, hh);
+        if (overlap == wxOutRegion)
+            return;

     }
     }

-  
-    /* draw XPixmap or XBitmap, depending on what the wxBitmap contains */
-    
-    GdkPixmap *pm = use_bitmap.GetPixmap();
-    if (pm)
+
+    const bool isScaled = ww != w || hh != h;
+    const bool hasAlpha = bitmap.HasAlpha();
+    GdkGC* const use_gc = m_penGC;
+
+    GdkPixmap* mask = NULL;
+    // mask does not work when drawing a pixbuf with alpha
+    if (useMask && !hasAlpha)

     {
     {

-        gdk_draw_pixmap( m_window, m_penGC, pm, 0, 0, xx, yy, -1, -1 );
+        wxMask* m = bitmap.GetMask();
+        if (m)
+            mask = *m;

     }
     }

-    else
+
+    GdkPixmap* mask_new = NULL;
+    if (mask)

     {
     {

-        GdkBitmap *bm = use_bitmap.GetBitmap();
-        if (bm)
+        if (isScaled)

         {
         {

-            gdk_draw_bitmap( m_window, m_penGC, bm, 0, 0, xx, yy, -1, -1 );
+            mask = ScaleMask(mask, 0, 0, w, h, ww, hh, m_scaleX, m_scaleY);
+            mask_new = mask;

         }
         }

-    }
-    
-    /* remove mask again if any */
-    
-    if (useMask && mask) 
-    {
-        gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
-        gdk_gc_set_clip_origin( m_penGC, 0, 0 );
-    }
-}
-
-bool wxWindowDC::DoBlit( long xdest, long ydest, long width, long height,
-                         wxDC *source, long xsrc, long ysrc,
-                         int logical_func, bool useMask )
-{
-   /* this is the nth try to get this utterly useless function to
-      work. it now completely ignores the scaling or translation
-      of the source dc, but scales correctly on the target dc and
-      knows about possible mask information in a memory dc. */
-
-    wxCHECK_MSG( Ok(), FALSE, _T("invalid window dc") );
-    
-    wxCHECK_MSG( source, FALSE, _T("invalid source dc") );
-    
-    if (!m_window) return FALSE;
-    
-    wxClientDC *srcDC = (wxClientDC*)source;
-    wxMemoryDC *memDC = (wxMemoryDC*)source;
-  
-    bool use_bitmap_method = FALSE;
-  
-    if (srcDC->m_isMemDC)
-    {
-        if (!memDC->m_selected.Ok()) return FALSE;
-        
-        /* we use the "XCopyArea" way to copy a memory dc into
-           y different window if the memory dc BOTH
-           a) doesn't have any mask or its mask isn't used
-           b) it is clipped
-           c) is not 1-bit */
-    
-        if (useMask && (memDC->m_selected.GetMask()))
-        {
-           /* we HAVE TO use the direct way for memory dcs
-              that have mask since the XCopyArea doesn't know
-              about masks */
-            use_bitmap_method = TRUE;
-        }
-        else if (memDC->m_selected.GetDepth() == 1)
-        {
-           /* we HAVE TO use the direct way for memory dcs
-              that are bitmaps because XCopyArea doesn't cope
-              with different bit depths */
-            use_bitmap_method = TRUE;
-        }
-        else if ((xsrc == 0) && (ysrc == 0) &&
-                 (width == memDC->m_selected.GetWidth()) &&
-                 (height == memDC->m_selected.GetHeight()))
+        if (overlap == wxPartRegion)

         {
         {

-           /* 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;
+            // need a new mask that also masks the clipped area,
+            // because gc can't have both a mask and a clip region
+            mask = ClipMask(mask, clipRegion, 0, 0, xx, yy, ww, hh);
+            if (mask_new)
+                g_object_unref(mask_new);
+            mask_new = mask;

         }
         }

+        gdk_gc_set_clip_mask(use_gc, mask);
+        gdk_gc_set_clip_origin(use_gc, xx, yy);

     }
     }

-    
-    CalcBoundingBox( xdest, ydest );
-    CalcBoundingBox( xdest + width, ydest + height );
-    
-    int old_logical_func = m_logicalFunction;
-    SetLogicalFunction( logical_func );
-    
-    if (use_bitmap_method)
-    {
-        /* scale/translate bitmap size */
-  
-        long bm_width = memDC->m_selected.GetWidth();
-        long bm_height = memDC->m_selected.GetHeight();
-        
-        long bm_ww = XLOG2DEVREL( bm_width );
-        long bm_hh = YLOG2DEVREL( bm_height );
-        
-        /* scale bitmap if required */
-    
-        wxBitmap use_bitmap;
-    
-        if ((bm_width != bm_ww) || (bm_height != bm_hh))
+
+    // determine whether to use pixmap or pixbuf
+    GdkPixmap* pixmap = NULL;
+    GdkPixmap* pixmap_new = NULL;
+    GdkPixbuf* pixbuf = NULL;
+    GdkPixbuf* pixbuf_new = NULL;
+    if (bitmap.HasPixmap())
+        pixmap = bitmap.GetPixmap();
+    if (pixmap && gdk_drawable_get_depth(pixmap) == 1)
+    {
+        if (gdk_drawable_get_depth(m_gdkwindow) != 1)

         {
         {

-            wxImage image( memDC->m_selected );
-            image = image.Scale( bm_ww, bm_hh );
-        
-            use_bitmap = image.ConvertToBitmap();
+            // convert mono pixmap to color using text fg/bg colors
+            pixmap = MonoToColor(pixmap, 0, 0, w, h);
+            pixmap_new = pixmap;

         }
         }

+    }
+    else if (hasAlpha || pixmap == NULL)
+        pixbuf = bitmap.GetPixbuf();
+
+    if (isScaled)
+    {
+        if (pixbuf)
+            pixbuf = Scale(pixbuf, ww, hh, m_scaleX, m_scaleY);

         else
         else

+            pixbuf = Scale(pixmap, 0, 0, w, h, ww, hh, m_scaleX, m_scaleY);
+
+        pixbuf_new = pixbuf;
+    }
+
+    if (pixbuf)
+    {
+        gdk_draw_pixbuf(m_gdkwindow, use_gc, pixbuf,
+            0, 0, xx, yy, ww, hh, GDK_RGB_DITHER_NORMAL, 0, 0);
+    }
+    else
+    {
+        gdk_draw_drawable(m_gdkwindow, use_gc, pixmap, 0, 0, xx, yy, ww, hh);
+    }
+
+    if (pixbuf_new)
+        g_object_unref(pixbuf_new);
+    if (pixmap_new)
+        g_object_unref(pixmap_new);
+    if (mask)
+    {
+        gdk_gc_set_clip_region(use_gc, clipRegion);
+
+        // Notice that we can only release the mask now, we can't do it before
+        // the calls to gdk_draw_xxx() above as they crash with X error with
+        // GTK+ up to 2.20.1 (i.e. it works with 2.20 but is known to not work
+        // with 2.16.1 and below).
+        if (mask_new)
+            g_object_unref(mask_new);
+    }
+}
+
+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 )
+{
+    wxCHECK_MSG( IsOk(), false, wxT("invalid window dc") );
+    wxCHECK_MSG( source, false, wxT("invalid source dc") );
+
+    if (!m_gdkwindow) return false;
+
+    GdkDrawable* srcDrawable = NULL;
+    GdkPixmap* mask = NULL;
+    wxMemoryDC* memDC = wxDynamicCast(source, wxMemoryDC);
+    if (memDC)
+    {
+        const wxBitmap& bitmap = memDC->GetSelectedBitmap();
+        if (!bitmap.IsOk())
+            return false;
+        srcDrawable = bitmap.GetPixmap();
+        if (useMask)

         {
         {

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

         }
         }

-        else
+    }
+    else
+    {
+        wxDCImpl* impl = source->GetImpl();
+        wxWindowDCImpl* gtk_impl = wxDynamicCast(impl, wxWindowDCImpl);
+        if (gtk_impl)
+            srcDrawable = gtk_impl->GetGDKWindow();
+        if (srcDrawable == NULL)
+            return false;
+    }
+
+    CalcBoundingBox(xdest, ydest);
+    CalcBoundingBox(xdest + width, ydest + height);
+
+    // source device coords
+    int src_x = source->LogicalToDeviceX(xsrc);
+    int src_y = source->LogicalToDeviceY(ysrc);
+    int src_w = source->LogicalToDeviceXRel(width);
+    int src_h = source->LogicalToDeviceYRel(height);
+
+    // Clip source rect to source dc.
+    // Only necessary when scaling, to avoid GDK errors when
+    // converting to pixbuf, but no harm in always doing it.
+    // If source rect changes, it also changes the dest rect.
+    wxRect clip;
+    gdk_drawable_get_size(srcDrawable, &clip.width, &clip.height);
+    clip.Intersect(wxRect(src_x, src_y, src_w, src_h));
+    if (src_w != clip.width || src_h != clip.height)
+    {
+        if (clip.width == 0)
+            return true;
+
+        src_w = clip.width;
+        src_h = clip.height;
+        width  = source->DeviceToLogicalXRel(src_w);
+        height = source->DeviceToLogicalYRel(src_h);
+        if (src_x != clip.x || src_y != clip.y)

         {
         {

-            GdkBitmap *bm = use_bitmap.GetBitmap();
-            if (bm)
-            {
-                /* we use the textGC here because blitting a bitmap is done
-                   using the current text colour */
-                gdk_draw_bitmap( m_window, m_textGC, bm, xsrc, ysrc, xx, yy, ww, hh );
-            }
+            xdest += source->DeviceToLogicalXRel(clip.x - src_x);
+            ydest += source->DeviceToLogicalYRel(clip.y - src_y);
+            src_x = clip.x;
+            src_y = clip.y;

         }
         }

-    
-        /* remove mask again if any */
-    
-        if (useMask && mask) 
+    }
+
+    // destination device coords
+    const int dst_x = LogicalToDeviceX(xdest);
+    const int dst_y = LogicalToDeviceY(ydest);
+    const int dst_w = LogicalToDeviceXRel(width);
+    const int dst_h = LogicalToDeviceYRel(height);
+
+    GdkRegion* const clipRegion = m_currentClippingRegion.GetRegion();
+    // determine dest clip region overlap
+    int overlap = wxInRegion;
+    if (clipRegion)
+    {
+        overlap = m_currentClippingRegion.Contains(dst_x, dst_y, dst_w, dst_h);
+        if (overlap == wxOutRegion)
+            return true;
+    }
+
+    const bool isScaled = src_w != dst_w || src_h != dst_h;
+    double scale_x = 0;
+    double scale_y = 0;
+    if (isScaled)
+    {
+        // get source to dest scale
+        double usx, usy, lsx, lsy;
+        source->GetUserScale(&usx, &usy);
+        source->GetLogicalScale(&lsx, &lsy);
+        scale_x = m_scaleX / (usx * lsx);
+        scale_y = m_scaleY / (usy * lsy);
+    }
+
+    GdkGC* const use_gc = m_penGC;
+
+    if (mask)
+    {
+        int srcMask_x = src_x;
+        int srcMask_y = src_y;
+        if (xsrcMask != -1 || ysrcMask != -1)

         {
         {

-            gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
-            gdk_gc_set_clip_origin( m_penGC, 0, 0 );
+            srcMask_x = source->LogicalToDeviceX(xsrcMask);
+            srcMask_y = source->LogicalToDeviceY(ysrcMask);

         }
         }

-    }
-    else /* use_bitmap_method */
-    {
-        /* scale/translate size and position */
-  
-        long xx = XLOG2DEV(xdest);
-        long yy = YLOG2DEV(ydest);
-        
-        long ww = XLOG2DEVREL(width);
-        long hh = YLOG2DEVREL(height);
-        
-        if ((width != ww) || (height != hh))
+        GdkPixmap* mask_new = NULL;
+        if (isScaled)

         {
         {

-            /* draw source window into a bitmap as we cannot scale
-               a window in contrast to a bitmap. this would actually
-               work with memory dcs as well, but we'd lose the mask
-               information and waste one step in this process since
-               a memory already has a bitmap. all this is slightly
-               inefficient as we could take an XImage directly from
-               an X window, but we'd then also have to care that
-               the window is not outside the screen (in which case
-               we'd get a BadMatch or what not).
-               Is a double XGetImage and combined XGetPixel and
-               XPutPixel really faster? I'm not sure. look at wxXt
-               for a different implementation of the same problem. */
-   
-            wxBitmap bitmap( width, height );
-            gdk_window_copy_area( bitmap.GetPixmap(), m_penGC, 0, 0, 
-                                  srcDC->GetWindow(),
-                                  xsrc, ysrc, width, height );
-            
-            /* scale image */
-            
-            wxImage image( bitmap );
-            image = image.Scale( ww, hh );
-            
-            /* convert to bitmap */
-            
-            bitmap = image.ConvertToBitmap();
-            
-            /* draw scaled bitmap */
-            
-            gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
-            
+            mask = ScaleMask(mask, srcMask_x, srcMask_y,
+                src_w, src_h, dst_w, dst_h, scale_x, scale_y);
+            mask_new = mask;
+            srcMask_x = 0;
+            srcMask_y = 0;

         }
         }

-        else
+        if (overlap == wxPartRegion)

         {
         {

-            /* no scaling and not a memory dc with a mask either */
-        
-            gdk_window_copy_area( m_window, m_penGC, xx, yy,
-                                  srcDC->GetWindow(),
-                                  xsrc, ysrc, width, height );
+            // need a new mask that also masks the clipped area,
+            // because gc can't have both a mask and a clip region
+            mask = ClipMask(mask, clipRegion,
+                srcMask_x, srcMask_y, dst_x, dst_y, dst_w, dst_h);
+            if (mask_new)
+                g_object_unref(mask_new);
+            mask_new = mask;
+            srcMask_x = 0;
+            srcMask_y = 0;

         }
         }

+        gdk_gc_set_clip_mask(use_gc, mask);
+        gdk_gc_set_clip_origin(use_gc, dst_x - srcMask_x, dst_y - srcMask_y);
+        if (mask_new)
+            g_object_unref(mask_new);
+    }
+
+    GdkPixmap* pixmap = NULL;
+    if (gdk_drawable_get_depth(srcDrawable) == 1 &&
+        (gdk_drawable_get_depth(m_gdkwindow) != 1 || isScaled))
+    {
+        // Convert mono pixmap to color using text fg/bg colors.
+        // Scaling/drawing is simpler if this is done first.
+        pixmap = MonoToColor(srcDrawable, src_x, src_y, src_w, src_h);
+        srcDrawable = pixmap;
+        src_x = 0;
+        src_y = 0;
+    }
+
+    const wxRasterOperationMode logical_func_save = m_logicalFunction;
+    SetLogicalFunction(logical_func);
+    if (memDC == NULL)
+        gdk_gc_set_subwindow(use_gc, GDK_INCLUDE_INFERIORS);
+
+    if (isScaled)
+    {
+        GdkPixbuf* pixbuf = Scale(srcDrawable,
+            src_x, src_y, src_w, src_h, dst_w, dst_h, scale_x, scale_y);
+        gdk_draw_pixbuf(m_gdkwindow, use_gc, pixbuf,
+            0, 0, dst_x, dst_y, dst_w, dst_h, GDK_RGB_DITHER_NONE, 0, 0);
+        g_object_unref(pixbuf);
+    }
+    else
+    {
+        gdk_draw_drawable(m_gdkwindow, use_gc, srcDrawable,
+            src_x, src_y, dst_x, dst_y, dst_w, dst_h);
+    }
+
+    SetLogicalFunction(logical_func_save);
+    if (memDC == NULL)
+        gdk_gc_set_subwindow(use_gc, GDK_CLIP_BY_CHILDREN);
+
+    if (pixmap)
+        g_object_unref(pixmap);
+    if (mask)
+        gdk_gc_set_clip_region(use_gc, clipRegion);
+
+    return true;
+}
+
+void wxWindowDCImpl::DoDrawText(const wxString& text,
+                                wxCoord xLogical,
+                                wxCoord yLogical)
+{
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+    if (!m_gdkwindow) return;
+
+    if (text.empty()) return;
+
+    wxCoord x = XLOG2DEV(xLogical),
+            y = YLOG2DEV(yLogical);
+
+    wxCHECK_RET( m_context, wxT("no Pango context") );
+    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 );  // not needed in gtk+ >= 2.6
+
+    wxCharBuffer data = wxGTK_CONV(text);
+    if ( !data )
+        return;
+
+    pango_layout_set_text(m_layout, data, data.length());
+    const bool setAttrs = m_font.GTKSetPangoAttrs(m_layout);
+
+    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.
+
+        // 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);
+
+    // Draw layout.
+    int x_rtl = x;
+    if (m_window && m_window->GetLayoutDirection() == wxLayout_RightToLeft)
+        x_rtl -= w;
+
+    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 );
+    }
+    if (setAttrs)
+    {
+        // undo underline attributes setting:
+        pango_layout_set_attributes(m_layout, NULL);

     }
 
     }
 

-    SetLogicalFunction( old_logical_func );
-    return TRUE;
+    CalcBoundingBox(xLogical + int(w / m_scaleX), yLogical + int(h / m_scaleY));
+    CalcBoundingBox(xLogical, yLogical);

 }
 
 }
 

-void wxWindowDC::DoDrawText( const wxString &text, long x, long y )
+// 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 )

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
+    if (!m_gdkwindow || text.empty())
+        return;

 
 

-    if (!m_window) return;
-    
-    GdkFont *font = m_font.GetInternalFont( m_scaleY );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );

 
     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)
+    pango_layout_set_text(m_layout, wxGTK_CONV(text), -1);
+    const bool setAttrs = m_font.GTKSetPangoAttrs(m_layout);
+    int oldSize = 0;
+    const bool isScaled = fabs(m_scaleY - 1.0) > 0.00001;
+    if (isScaled)

     {
     {

-        long width = gdk_string_width( font, text.mbc_str() );
-        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() );
+        //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 );

     }
     }

-    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) */
-    if (m_font.GetUnderlined())
+    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 (setAttrs)
+        pango_layout_set_attributes(m_layout, NULL);
+
+    // clean up the transformation matrix
+    pango_context_set_matrix(m_context, NULL);
+
+    if (isScaled)

     {
     {

-        long width = gdk_string_width( font, text.mbc_str() );
-        long ul_y = y + font->ascent;
-        if (font->descent > 0) ul_y++;
-        gdk_draw_line( m_window, m_textGC, x, ul_y, x + width, ul_y);
+         // reset unscaled size
+         pango_font_description_set_size( m_fontdesc, oldSize );
+
+         // actually apply unscaled font
+         pango_layout_set_font_description( m_layout, m_fontdesc );

     }
     }

-    
-    long w, h;
-    GetTextExtent (text, &w, &h);
-    CalcBoundingBox (x + w, y + h);
-    CalcBoundingBox (x, y);
+
+    CalcBoundingBox(x+minX, y+minY);
+    CalcBoundingBox(x+maxX, y+maxY);

 }
 
 }
 

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

 {
 {

-    wxFont fontToUse = m_font;
-    if (theFont) fontToUse = *theFont;
-  
-    GdkFont *font = fontToUse.GetInternalFont( m_scaleY );
-    if (width) (*width) = long(gdk_string_width( font, string.mbc_str() ) / m_scaleX);
-    if (height) (*height) = long((font->ascent + font->descent) / m_scaleY);
-    if (descent) (*descent) = long(font->descent / m_scaleY);
-    if (externalLeading) (*externalLeading) = 0;  // ??
+    // ensure we work with a valid font
+    const wxFont *fontToUse;
+    if ( !theFont || !theFont->IsOk() )
+        fontToUse = &m_font;
+    else
+        fontToUse = theFont;
+
+    wxCHECK_RET( fontToUse->IsOk(), wxT("invalid font") );
+
+    wxTextMeasure txm(GetOwner(), fontToUse);
+    txm.GetTextExtent(string, width, height, descent, externalLeading);

 }
 
 }
 

-long wxWindowDC::GetCharWidth() const
+
+bool wxWindowDCImpl::DoGetPartialTextExtents(const wxString& text,
+                                         wxArrayInt& widths) const

 {
 {

-    GdkFont *font = m_font.GetInternalFont( m_scaleY );
-    return long(gdk_string_width( font, "H" ) / m_scaleX);
+    wxCHECK_MSG( m_font.IsOk(), false, wxT("Invalid font") );
+
+    wxTextMeasure txm(GetOwner(), &m_font);
+    return txm.GetPartialTextExtents(text, widths, m_scaleX);

 }
 
 }
 

-long wxWindowDC::GetCharHeight() const
+
+wxCoord wxWindowDCImpl::GetCharWidth() const

 {
 {

-    GdkFont *font = m_font.GetInternalFont( m_scaleY );
-    return long((font->ascent + font->descent) / m_scaleY);
+    pango_layout_set_text( m_layout, "H", 1 );
+    int w;
+    pango_layout_get_pixel_size( m_layout, &w, NULL );
+    return w;

 }
 
 }
 

-void wxWindowDC::Clear()
+wxCoord wxWindowDCImpl::GetCharHeight() const

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
-    if (!m_window) return;
-    
-    /* - we either are a memory dc or have a window as the
-       owner. anything else shouldn't happen.
-       - we don't use gdk_window_clear() as we don't set
-       the window's background colour anymore. it is too
-       much pain to keep the DC's and the window's back-
-       ground colour in synch. */
-  
-    if (m_owner)
-    {
-        int width,height;
-        m_owner->GetSize( &width, &height );
-        gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
-        return;
-    }
+    PangoFontMetrics *metrics = pango_context_get_metrics (m_context, m_fontdesc, pango_context_get_language(m_context));
+    wxCHECK_MSG( metrics, -1, wxT("failed to get pango font metrics") );

 
 

-    if (m_isMemDC)
-    {
-        int width,height;
-        GetSize( &width, &height );
-        gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
-        return;
-    }
+    wxCoord h = PANGO_PIXELS (pango_font_metrics_get_descent (metrics) +
+                              pango_font_metrics_get_ascent (metrics));
+    pango_font_metrics_unref (metrics);
+    return h;
+}
+
+void wxWindowDCImpl::Clear()
+{
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+    if (!m_gdkwindow) return;
+
+    int width,height;
+    DoGetSize( &width, &height );
+    gdk_draw_rectangle( m_gdkwindow, m_bgGC, TRUE, 0, 0, width, height );

 }
 
 }
 

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

 {
     m_font = font;
 {
     m_font = font;

+
+    if (m_font.IsOk())
+    {
+        if (m_fontdesc)
+            pango_font_description_free( m_fontdesc );
+
+        m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
+
+
+        if (m_window)
+        {
+            PangoContext *oldContext = m_context;
+
+            m_context = m_window->GTKGetPangoDefaultContext();
+
+            // If we switch back/forth between different contexts
+            // we also have to create a new layout. I think so,
+            // at least, and it doesn't hurt to do it.
+            if (oldContext != m_context)
+            {
+                if (m_layout)
+                    g_object_unref (m_layout);
+
+                m_layout = pango_layout_new( m_context );
+            }
+        }
+
+        pango_layout_set_font_description( m_layout, m_fontdesc );
+    }

 }
 
 }
 

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

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
+    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_window) return;
-    
+
+    if (!m_pen.IsOk()) return;
+
+    if (!m_gdkwindow) 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;
+        }

     }
     }

-  
-    GdkLineStyle lineStyle = GDK_LINE_SOLID;
+
+    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_ON_OFF_DASH;

     switch (m_pen.GetStyle())
     {
     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 wxPENSTYLE_USER_DASH:
+            req_nb_dash = m_pen.GetDashCount();
+            req_dash = (wxGTKDash*)m_pen.GetDash();
+            break;
+        case wxPENSTYLE_DOT:
+            req_nb_dash = 2;
+            req_dash = dotted;
+            break;
+        case wxPENSTYLE_LONG_DASH:
+            req_nb_dash = 2;
+            req_dash = wxCoord_dashed;
+            break;
+        case wxPENSTYLE_SHORT_DASH:
+            req_nb_dash = 2;
+            req_dash = short_dashed;
+            break;
+        case wxPENSTYLE_DOT_DASH:
+            req_nb_dash = 4;
+            req_dash = dotted_dashed;
+            break;
+
+        case wxPENSTYLE_TRANSPARENT:
+        case wxPENSTYLE_STIPPLE_MASK_OPAQUE:
+        case wxPENSTYLE_STIPPLE:
+        case wxPENSTYLE_SOLID:
+        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;
+            }
+            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 wxWindowDC::SetBrush( const wxBrush &brush )
+void wxWindowDCImpl::SetBrush( const wxBrush &brush )

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
+    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_window) return;
-    
+
+    if (!m_brush.IsOk()) return;
+
+    if (!m_gdkwindow) return;
+

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

-  
-    GdkFill fillStyle = GDK_SOLID;
-    switch (m_brush.GetStyle())
-    {
-      case wxSOLID:
-      case wxTRANSPARENT:
-         break;
-      default:
-         fillStyle = GDK_STIPPLED;
-    }
-  
-    gdk_gc_set_fill( m_brushGC, fillStyle );
-  
-    if ((m_brush.GetStyle() == wxSTIPPLE) && (m_brush.GetStipple()->Ok()))
-    {
-        if (m_brush.GetStipple()->GetPixmap())
-            gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() );
+
+    gdk_gc_set_fill( m_brushGC, GDK_SOLID );
+
+    if ((m_brush.GetStyle() == wxBRUSHSTYLE_STIPPLE) && (m_brush.GetStipple()->IsOk()))
+    {
+        if (m_brush.GetStipple()->GetDepth() != 1)
+        {
+            gdk_gc_set_fill( m_brushGC, GDK_TILED );
+            gdk_gc_set_tile( m_brushGC, m_brush.GetStipple()->GetPixmap() );
+        }

         else
         else

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

     }
     }

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

     {
     {

-        int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH;
-        gdk_gc_set_stipple( m_brushGC, hatches[num] );
+        gdk_gc_set_fill( m_brushGC, GDK_STIPPLED );
+        gdk_gc_set_stipple(m_brushGC, GetHatch(m_brush.GetStyle()));

     }
 }
 
     }
 }
 

-void wxWindowDC::SetBackground( const wxBrush &brush )
+void wxWindowDCImpl::SetBackground( const wxBrush &brush )

 {
    /* CMB 21/7/98: Added SetBackground. Sets background brush
     * for Clear() and bg colour for shapes filled with cross-hatch brush */
 {
    /* CMB 21/7/98: Added SetBackground. Sets background brush
     * for Clear() and bg colour for shapes filled with cross-hatch brush */

-   
-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
+
+    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_window) return;
-    
-    m_backgroundBrush.GetColour().CalcPixel( m_cmap );
-    gdk_gc_set_background( m_brushGC, m_backgroundBrush.GetColour().GetColor() );
-    gdk_gc_set_background( m_penGC, m_backgroundBrush.GetColour().GetColor() );
-    gdk_gc_set_background( m_bgGC, m_backgroundBrush.GetColour().GetColor() );
-    gdk_gc_set_foreground( m_bgGC, m_backgroundBrush.GetColour().GetColor() );
-  
-    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)
+
+    if (!m_backgroundBrush.IsOk()) return;
+
+    if (!m_gdkwindow) return;
+
+    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() == wxBRUSHSTYLE_STIPPLE)

     {
     {

-        gdk_gc_set_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() );
+        const wxBitmap* stipple = m_backgroundBrush.GetStipple();
+        if (stipple->IsOk())
+        {
+            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 (IS_HATCH(m_backgroundBrush.GetStyle()))
+    else if (m_backgroundBrush.IsHatch())

     {
     {

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

     }
 }
 
     }
 }
 

-void wxWindowDC::SetLogicalFunction( int function )
+void wxWindowDCImpl::SetLogicalFunction( wxRasterOperationMode function )

 {
 {

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

 
 

-    GdkFunction mode = GDK_COPY;
+    GdkFunction mode;

     switch (function)
     {
         case wxXOR:          mode = GDK_XOR;           break;
         case wxINVERT:       mode = GDK_INVERT;        break;
     switch (function)
     {
         case wxXOR:          mode = GDK_XOR;           break;
         case wxINVERT:       mode = GDK_INVERT;        break;

-#if (GTK_MINOR_VERSION > 0)

         case wxOR_REVERSE:   mode = GDK_OR_REVERSE;    break;
         case wxAND_REVERSE:  mode = GDK_AND_REVERSE;   break;
         case wxCLEAR:        mode = GDK_CLEAR;         break;
         case wxSET:          mode = GDK_SET;           break;
         case wxOR_INVERT:    mode = GDK_OR_INVERT;     break;
         case wxOR_REVERSE:   mode = GDK_OR_REVERSE;    break;
         case wxAND_REVERSE:  mode = GDK_AND_REVERSE;   break;
         case wxCLEAR:        mode = GDK_CLEAR;         break;
         case wxSET:          mode = GDK_SET;           break;
         case wxOR_INVERT:    mode = GDK_OR_INVERT;     break;

-       case wxSRC_AND:

         case wxAND:          mode = GDK_AND;           break;
         case wxAND:          mode = GDK_AND;           break;

-       case wxSRC_OR:

         case wxOR:           mode = GDK_OR;            break;
         case wxEQUIV:        mode = GDK_EQUIV;         break;
         case wxNAND:         mode = GDK_NAND;          break;
         case wxAND_INVERT:   mode = GDK_AND_INVERT;    break;
         case wxOR:           mode = GDK_OR;            break;
         case wxEQUIV:        mode = GDK_EQUIV;         break;
         case wxNAND:         mode = GDK_NAND;          break;
         case wxAND_INVERT:   mode = GDK_AND_INVERT;    break;

-       case wxCOPY:         mode = GDK_COPY;          break;
-       case wxNO_OP:        mode = GDK_NOOP;          break;
-       case wxSRC_INVERT:   mode = GDK_COPY_INVERT;   break;
-#endif
+        case wxCOPY:         mode = GDK_COPY;          break;
+        case wxNO_OP:        mode = GDK_NOOP;          break;
+        case wxSRC_INVERT:   mode = GDK_COPY_INVERT;   break;
+        case wxNOR:          mode = GDK_NOR;           break;

         default:
         default:

-       {
-          wxFAIL_MSG( _T("unsupported logical function") );
-          break;
-       }
+            wxFAIL_MSG("unknown mode");
+            return;

     }
     }

-    
+

     m_logicalFunction = function;
     m_logicalFunction = function;

-    
-    if (!m_window) return;
-    
+

     gdk_gc_set_function( m_penGC, mode );
     gdk_gc_set_function( m_brushGC, mode );
     gdk_gc_set_function( m_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 wxWindowDC::SetTextForeground( const wxColour &col )
+void wxWindowDCImpl::SetTextForeground( const wxColour &col )

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
-    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;
-  
-    if (!m_window) return;
-    
-    m_textForegroundColour.CalcPixel( m_cmap );
-    gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+
+    if ( m_gdkwindow )
+    {
+        m_textForegroundColour.CalcPixel( m_cmap );
+        gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+    }

 }
 
 }
 

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

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
-    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;
-  
-    if (!m_window) return;
-    
-    m_textBackgroundColour.CalcPixel( m_cmap );
-    gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
+
+    if ( m_gdkwindow )
+    {
+        m_textBackgroundColour.CalcPixel( m_cmap );
+        gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
+    }

 }
 
 }
 

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

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
-    m_backgroundMode = mode;
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );

 
 

-    if (!m_window) 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);
-    }
+    m_backgroundMode = mode;

 }
 
 }
 

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

 {
 {

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

 }
 
 }
 

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

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
-    wxDC::DoSetClippingRegion( x, y, width, height );
-  
-    if (!m_window) return;
-    
-    GdkRectangle rect;
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+    if (!m_gdkwindow) 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 wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
-{
-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
-    if (region.Empty())
+    if (m_window && m_window->m_wxwindow &&
+        (m_window->GetLayoutDirection() == wxLayout_RightToLeft))

     {
     {

-        DestroyClippingRegion();
-        return;
+        rect.x -= rect.width;

     }
     }

-    
-    if (!m_window) return;
-    
-    gdk_gc_set_clip_region( m_penGC, region.GetRegion() );
-    gdk_gc_set_clip_region( m_brushGC, region.GetRegion() );
-    gdk_gc_set_clip_region( m_textGC, region.GetRegion() );
-    gdk_gc_set_clip_region( m_bgGC, region.GetRegion() );
-}

 
 

-void wxWindowDC::DestroyClippingRegion()
-{
-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
-    wxDC::DestroyClippingRegion();
-  
-    if (!m_window) return;
-    
-    gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL );
-    gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL );
-    gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL );
-    gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL );
+    DoSetDeviceClippingRegion(wxRegion(rect));

 }
 
 }
 

-void wxWindowDC::SetUpDC()
+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 );
-    
-    wxColour tmp_col( m_textForegroundColour );
-    m_textForegroundColour = wxNullColour;
-    SetTextForeground( tmp_col );
-    tmp_col = m_textBackgroundColour;
-    m_textBackgroundColour = wxNullColour;
-    SetTextBackground( tmp_col );
-    
-    wxPen tmp_pen( m_pen );
-    m_pen = wxNullPen;
-    SetPen( tmp_pen );
-    
-    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 );
-*/
-    tmp_brush = m_backgroundBrush;
-    m_backgroundBrush = wxNullBrush;
-    SetBackground( *wxWHITE_BRUSH );
-    m_backgroundBrush = tmp_brush;
-  
-    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 wxWindowDC::Destroy()
-{
-    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_gdkwindow) return;

 
 

-void wxWindowDC::ComputeScaleAndOrigin()
-{
-    /* CMB: copy scale to see if it changes */
-    double origScaleX = m_scaleX;
-    double origScaleY = m_scaleY;
+    if (!m_currentClippingRegion.IsNull())
+        m_currentClippingRegion.Intersect( region );
+    else
+        m_currentClippingRegion.Union( region );

 
 

-    wxDC::ComputeScaleAndOrigin();
+#if USE_PAINT_REGION
+    if (!m_paintClippingRegion.IsNull())
+        m_currentClippingRegion.Intersect( m_paintClippingRegion );
+#endif

 
 

-    /* CMB: if scale has changed call SetPen to recalulate the line width */
-    if ((m_scaleX != origScaleX || m_scaleY != origScaleY) &&
-        (m_pen.Ok()))
-    {
-      /* this is a bit artificial, but we need to force wxDC to think
-         the pen has changed */
-      wxPen pen = m_pen;
-      m_pen = wxNullPen;
-      SetPen( pen );
-  }
-}
+    wxCoord xx, yy, ww, hh;
+    m_currentClippingRegion.GetBox( xx, yy, ww, hh );
+    wxGTKDCImpl::DoSetClippingRegion( xx, yy, ww, hh );

 
 

-// Resolution in pixels per logical inch
-wxSize wxWindowDC::GetPPI() const
-{
-    return wxSize(100, 100);
+    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);

 }
 
 }
 

-int wxWindowDC::GetDepth() const
+void wxWindowDCImpl::DestroyClippingRegion()

 {
 {

-    wxFAIL_MSG(_T("not implemented"));
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );

 
 

-    return -1;
-}
+    wxDCImpl::DestroyClippingRegion();

 
 

-#if wxUSE_SPLINES
-// ----------------------------------- spline code ----------------------------------------
+    m_currentClippingRegion.Clear();

 
 

-void wx_quadratic_spline(double a1, double b1, double a2, double b2,
-                         double a3, double b3, double a4, double b4);
-void wx_clear_stack();
-int wx_spline_pop(double *x1, double *y1, double *x2, double *y2, double *x3,
-        double *y3, double *x4, double *y4);
-void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3,
-          double x4, double y4);
-static bool wx_spline_add_point(double x, double y);
-static void wx_spline_draw_point_array(wxDC *dc);
+#if USE_PAINT_REGION
+    if (!m_paintClippingRegion.IsEmpty())
+        m_currentClippingRegion.Union( m_paintClippingRegion );
+#endif

 
 

-wxList wx_spline_point_list;
+    if (!m_gdkwindow) return;

 
 

-#define                half(z1, z2)        ((z1+z2)/2.0)
-#define                THRESHOLD        5
+    GdkRegion* gdkRegion = NULL;
+    if (!m_currentClippingRegion.IsEmpty())
+        gdkRegion = m_currentClippingRegion.GetRegion();

 
 

-/* iterative version */
+    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 wx_quadratic_spline(double a1, double b1, double a2, double b2, double a3, double b3, double a4,
-                 double b4)
+void wxWindowDCImpl::Destroy()

 {
 {

-    register double  xmid, ymid;
-    double           x1, y1, x2, y2, x3, y3, x4, y4;
+    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;
+}

 
 

-    wx_clear_stack();
-    wx_spline_push(a1, b1, a2, b2, a3, b3, a4, b4);
+void wxWindowDCImpl::SetDeviceOrigin( wxCoord x, wxCoord y )
+{
+    m_deviceOriginX = x;
+    m_deviceOriginY = y;

 
 

-    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);
-        }
-    }
+    ComputeScaleAndOrigin();

 }
 
 }
 

-/* utilities used by spline drawing routines */
-
-typedef struct wx_spline_stack_struct {
-    double           x1, y1, x2, y2, x3, y3, x4, y4;
-} Stack;
+void wxWindowDCImpl::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
+{
+    m_signX = (xLeftRight ?  1 : -1);
+    m_signY = (yBottomUp  ? -1 :  1);

 
 

-#define         SPLINE_STACK_DEPTH             20
-static Stack    wx_spline_stack[SPLINE_STACK_DEPTH];
-static Stack   *wx_stack_top;
-static int      wx_stack_count;
+    if (m_window && m_window->m_wxwindow &&
+        (m_window->GetLayoutDirection() == wxLayout_RightToLeft))
+        m_signX = -m_signX;

 
 

-void wx_clear_stack()
-{
-    wx_stack_top = wx_spline_stack;
-    wx_stack_count = 0;
+    ComputeScaleAndOrigin();

 }
 
 }
 

-void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4)
+void wxWindowDCImpl::ComputeScaleAndOrigin()

 {
 {

-    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++;
+    const wxRealPoint origScale(m_scaleX, m_scaleY);
+
+    wxDCImpl::ComputeScaleAndOrigin();
+
+    // 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 );
+    }

 }
 
 }
 

-int wx_spline_pop(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

 {
 {

-    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);
+    return wxSize( (int) (m_mm_to_pix_x * 25.4 + 0.5), (int) (m_mm_to_pix_y * 25.4 + 0.5));

 }
 
 }
 

-static bool wx_spline_add_point(double x, double y)
+int wxWindowDCImpl::GetDepth() const

 {
 {

-  wxPoint *point = new wxPoint ;
-  point->x = (int) x;
-  point->y = (int) y;
-  wx_spline_point_list.Append((wxObject*)point);
-  return TRUE;
+    return gdk_drawable_get_depth(m_gdkwindow);

 }
 
 }
 

-static void wx_spline_draw_point_array(wxDC *dc)
+//-----------------------------------------------------------------------------
+// wxClientDCImpl
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxClientDCImpl, wxWindowDCImpl)
+
+wxClientDCImpl::wxClientDCImpl( wxDC *owner )
+          : wxWindowDCImpl( owner )

 {
 {

-  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();
-  }

 }
 
 }
 

-void wxWindowDC::DoDrawSpline( wxList *points )
+wxClientDCImpl::wxClientDCImpl( wxDC *owner, wxWindow *win )
+          : wxWindowDCImpl( owner, win )

 {
 {

-    wxCHECK_RET( Ok(), _T("invalid window dc") );
-  
-    wxPoint *p;
-    double           cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;
-    double           x1, y1, x2, y2;
+    wxCHECK_RET( win, wxT("NULL window in wxClientDCImpl::wxClientDC") );

 
 

-    wxNode *node = points->First();
-    p = (wxPoint *)node->Data();
+#ifdef __WXUNIVERSAL__
+    wxPoint ptOrigin = win->GetClientAreaOrigin();
+    SetDeviceOrigin(ptOrigin.x, ptOrigin.y);
+    wxSize size = win->GetClientSize();
+    DoSetClippingRegion(0, 0, size.x, size.y);
+#endif
+    // __WXUNIVERSAL__
+}

 
 

-    x1 = p->x;
-    y1 = p->y;
+void wxClientDCImpl::DoGetSize(int *width, int *height) const
+{
+    wxCHECK_RET( m_window, wxT("GetSize() doesn't work without window") );

 
 

-    node = node->Next();
-    p = (wxPoint *)node->Data();
+    m_window->GetClientSize(width, height);
+}

 
 

-    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);
+//-----------------------------------------------------------------------------
+// wxPaintDCImpl
+//-----------------------------------------------------------------------------

 
 

-    wx_spline_add_point(x1, y1);
+IMPLEMENT_ABSTRACT_CLASS(wxPaintDCImpl, wxClientDCImpl)

 
 

-    while ((node = node->Next()) != NULL)
+// 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)
+{
+    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)

     {
     {

-        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;
-
-        wx_quadratic_spline(cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4);
-
-        cx1 = cx4;
-        cy1 = cy4;
-        cx2 = (double)(cx1 + x2) / 2;
-        cy2 = (double)(cy1 + y2) / 2;
+        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);

     }
     }

+}

 
 

-    wx_spline_add_point( cx1, cy1 );
-    wx_spline_add_point( x2, y2 );
-
-    wx_spline_draw_point_array( this );
+wxPaintDCImpl::wxPaintDCImpl( wxDC *owner )
+         : wxClientDCImpl( owner )
+{

 }
 
 }
 

-#endif // wxUSE_SPLINE
+wxPaintDCImpl::wxPaintDCImpl( wxDC *owner, wxWindow *win )
+         : wxClientDCImpl( owner, win )
+{
+#if USE_PAINT_REGION
+    if (!win->m_clipPaintRegion)
+        return;
+
+    wxSize sz = win->GetSize();
+    m_paintClippingRegion = win->m_nativeUpdateRegion;
+    wxLimitRegionToSize(m_paintClippingRegion, sz);

 
 

-//-----------------------------------------------------------------------------
-// wxPaintDC
-//-----------------------------------------------------------------------------
+    GdkRegion *region = m_paintClippingRegion.GetRegion();
+    if ( region )
+    {
+        m_currentClippingRegion.Union( m_paintClippingRegion );
+        wxLimitRegionToSize(m_currentClippingRegion, sz);

 
 

-IMPLEMENT_DYNAMIC_CLASS(wxPaintDC,wxWindowDC)
+        if (sz.x <= 0 || sz.y <= 0)
+            return ;

 
 

-wxPaintDC::wxPaintDC()
-  : wxWindowDC()
-{
+        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

 }
 
 }
 

-wxPaintDC::wxPaintDC( wxWindow *win )
-  : wxWindowDC( win )
+// ----------------------------------------------------------------------------
+// wxDCModule
+// ----------------------------------------------------------------------------
+
+class wxDCModule : public wxModule

 {
 {

-}
+public:
+    bool OnInit();
+    void OnExit();

 
 

-//-----------------------------------------------------------------------------
-// wxClientDC
-//-----------------------------------------------------------------------------
+private:
+    DECLARE_DYNAMIC_CLASS(wxDCModule)
+};

 
 

-IMPLEMENT_DYNAMIC_CLASS(wxClientDC,wxWindowDC)
+IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule)

 
 

-wxClientDC::wxClientDC()
-  : wxWindowDC()
+bool wxDCModule::OnInit()

 {
 {

+    wxInitGCPool();
+    return true;

 }
 
 }
 

-wxClientDC::wxClientDC( wxWindow *win )
-  : wxWindowDC( win )
+void wxDCModule::OnExit()

 {
 {

-}
+    wxCleanUpGCPool();

 
 

+    for (int i = wxBRUSHSTYLE_LAST_HATCH - wxBRUSHSTYLE_FIRST_HATCH; i--; )
+    {
+        if (hatches[i])
+            g_object_unref(hatches[i]);
+    }
+}