X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d3a80c922c7f0932f0b3985846e58ef48e3a6da7..c2c87924e7e3906b8cf1f93ebbd362eab17f6857:/src/motif/dcclient.cpp?ds=sidebyside

diff --git a/src/motif/dcclient.cpp b/src/motif/dcclient.cpp
index de005e664d..d9d24aeb46 100644
--- a/src/motif/dcclient.cpp
+++ b/src/motif/dcclient.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        dcclient.cpp
+// Name:        src/motif/dcclient.cpp
 // Purpose:     wxClientDC class
 // Author:      Julian Smart
 // Modified by:
@@ -10,7 +10,7 @@
 /////////////////////////////////////////////////////////////////////////////
 
 /*
-  About pens, brushes, and the autoSetting flag:
+  About pens, brushes, and the m_autoSetting flag:
 
   Under X, pens and brushes control some of the same X drawing
   parameters.  Therefore, it is impossible to independently maintain
@@ -18,9 +18,9 @@
   the current logical function. The m_currentFill, etc. instance
   variables remember state across the brush and pen.
 
-  Since pens are used more than brushes, the autoSetting flag is used to
+  Since pens are used more than brushes, the m_autoSetting flag is used to
   indicate that a brush was recently used, and SetPen must be called to
-  reinstall the current pen's parameters. If autoSetting includes 0x2, then the
+  reinstall the current pen's parameters. If m_autoSetting includes 0x2, then the
   pens color may need to be set based on XOR.
 
   There is, unfortunately, some confusion between setting the current pen/brush
@@ -36,18 +36,19 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "dcclient.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 #include "wx/dcclient.h"
-#include "wx/dcmemory.h"
-#include "wx/window.h"
-#include "wx/app.h"
-#include "wx/image.h"
-#include "wx/log.h"
 
-#include <math.h>
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/app.h"
+    #include "wx/window.h"
+    #include "wx/dcmemory.h"
+    #include "wx/math.h"
+    #include "wx/image.h"
+#endif
 
 #ifdef __VMS__
 #pragma message disable nosimpint
@@ -83,9 +84,14 @@ static Pixmap bdiag, cdiag, fdiag, cross, horiz, verti;
 // macros
 // ----------------------------------------------------------------------------
 
-    IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
-    IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
-    IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
+IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
+IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
+IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
+
+#define IS_HATCH(s)    ((s)>=wxFIRST_HATCH && (s)<=wxLAST_HATCH)
+
+// FIXME: left over after removal of wxDC::GetOptimization()
+#define GET_OPTIMIZATION false
 
 // ----------------------------------------------------------------------------
 // prototypes
@@ -126,7 +132,7 @@ static int roundmin(double a, double b)
 // wxWindowDC
 // ----------------------------------------------------------------------------
 
-wxWindowDC::wxWindowDC()
+void wxWindowDC::Init()
 {
     m_gc = (WXGC) 0;
     m_gcBacking = (WXGC) 0;
@@ -138,37 +144,28 @@ wxWindowDC::wxWindowDC()
     m_currentPenDash = (wxX11Dash*) NULL;
     m_currentStyle = -1;
     m_currentFill = -1;
-    //    m_currentBkMode = wxTRANSPARENT;
     m_colour = wxColourDisplay();
     m_display = (WXDisplay*) NULL;
-    m_currentRegion = (WXRegion) 0;
-    m_userRegion = (WXRegion) 0;
     m_pixmap = (WXPixmap) 0;
     m_autoSetting = 0;
-    m_oldFont = (WXFont) 0;
+    m_ok = false;
+    m_clipRegion = (WXRegion) 0;
+}
+
+wxWindowDC::wxWindowDC()
+{
+    Init();
 }
 
 wxWindowDC::wxWindowDC( wxWindow *window )
 {
     wxASSERT_MSG( (window != (wxWindow*) NULL), "You must pass a valid wxWindow to wxWindowDC/wxClientDC/wxPaintDC constructor." );
 
+    Init();
+
     m_window = window;
     m_font = window->GetFont();
-    m_gc = (WXGC) 0;
-    m_gcBacking = (WXGC) 0;
-    m_backgroundPixel = -1;
-    m_currentPenWidth = 1;
-    m_currentPenJoin = -1;
-    m_currentPenDashCount = -1;
-    m_currentPenDash = (wxX11Dash*) NULL;
-    m_currentStyle = -1;
-    m_currentFill = -1;
-    //    m_currentBkMode = wxTRANSPARENT;
-    m_colour = wxColourDisplay();
-    m_currentRegion = (WXRegion) 0;
-    m_userRegion = (WXRegion) 0;
-    m_ok = TRUE;
-    m_autoSetting = 0;
+    m_ok = true;
 
     m_display = window->GetXDisplay();
     m_pixmap = window->GetXWindow();
@@ -182,8 +179,16 @@ wxWindowDC::wxWindowDC( wxWindow *window )
     gcvalues.graphics_exposures = False;
     gcvalues.subwindow_mode = IncludeInferiors;
     gcvalues.line_width = 1;
+#if !wxMOTIF_NEW_FONT_HANDLING
+    WXFontStructPtr pFontStruct = m_font.GetFontStruct(m_userScaleY*m_logicalScaleY, m_display);
+    gcvalues.font = ((XFontStruct*)pFontStruct)->fid;
+#endif
     m_gc = (WXGC) XCreateGC (display, RootWindow (display, DefaultScreen (display)),
-        GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode,
+        GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode
+#if !wxMOTIF_NEW_FONT_HANDLING
+        | GCFont
+#endif
+                             ,
         &gcvalues);
 
     if (m_window->GetBackingPixmap())
@@ -194,26 +199,13 @@ wxWindowDC::wxWindowDC( wxWindow *window )
             &gcvalues);
     }
 
-    m_backgroundPixel = (int) gcvalues.background;
-
-    // Get the current Font so we can set it back later
-    XGCValues valReturn;
-    XGetGCValues((Display*) m_display, (GC) m_gc, GCFont, &valReturn);
-    m_oldFont = (WXFont) valReturn.font;
+    m_backgroundPixel = gcvalues.background;
 
     SetBackground(wxBrush(m_window->GetBackgroundColour(), wxSOLID));
 }
 
 wxWindowDC::~wxWindowDC()
 {
-    if (m_gc && (m_oldFont != (WXFont) 0) && ((long) m_oldFont != -1))
-    {
-        XSetFont ((Display*) m_display, (GC) m_gc, (Font) m_oldFont);
-
-        if (m_window && m_window->GetBackingPixmap())
-            XSetFont ((Display*) m_display,(GC) m_gcBacking, (Font) m_oldFont);
-    }
-
     if (m_gc)
         XFreeGC ((Display*) m_display, (GC) m_gc);
     m_gc = (WXGC) 0;
@@ -222,16 +214,12 @@ wxWindowDC::~wxWindowDC()
         XFreeGC ((Display*) m_display, (GC) m_gcBacking);
     m_gcBacking = (WXGC) 0;
 
-    if (m_currentRegion)
-        XDestroyRegion ((Region) m_currentRegion);
-    m_currentRegion = (WXRegion) 0;
-
-    if (m_userRegion)
-        XDestroyRegion ((Region) m_userRegion);
-    m_userRegion = (WXRegion) 0;
+    if (m_clipRegion)
+        XDestroyRegion ((Region) m_clipRegion);
+    m_clipRegion = (WXRegion) 0;
 }
 
-extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, 
+extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
                           const wxColour & col, int style);
 
 bool wxWindowDC::DoFloodFill(wxCoord x, wxCoord y,
@@ -239,7 +227,7 @@ bool wxWindowDC::DoFloodFill(wxCoord x, wxCoord y,
 {
     return wxDoFloodFill(this, x, y, col, style);
 }
-  
+
 bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
 {
     // Generic (and therefore rather inefficient) method.
@@ -251,7 +239,7 @@ bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
     memdc.SelectObject(wxNullBitmap);
     wxImage image = bitmap.ConvertToImage();
     col->Set(image.GetRed(0, 0), image.GetGreen(0, 0), image.GetBlue(0, 0));
-    return TRUE;
+    return true;
 }
 
 void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
@@ -260,8 +248,6 @@ void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 
     int x1d, y1d, x2d, y2d;
 
-    //  FreeGetPixelCache();
-
     x1d = XLOG2DEV(x1);
     y1d = YLOG2DEV(y1);
     x2d = XLOG2DEV(x2);
@@ -314,8 +300,6 @@ void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCo
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
-    //  FreeGetPixelCache();
-
     int xx1 = XLOG2DEV (x1);
     int yy1 = YLOG2DEV (y1);
     int xx2 = XLOG2DEV (x2);
@@ -415,7 +399,7 @@ void wxWindowDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord
 
     if (m_brush.Ok() && m_brush.GetStyle () != wxTRANSPARENT)
     {
-        m_autoSetting = TRUE;    // must be reset
+        m_autoSetting = true;    // must be reset
 
         SetBrush (m_brush);
         XFillArc ((Display*) m_display, (Pixmap) m_pixmap, (GC) m_gc, xd, yd, wd, hd, start, end);
@@ -442,8 +426,6 @@ void wxWindowDC::DoDrawPoint( wxCoord x, wxCoord y )
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
-    //  FreeGetPixelCache();
-
     if (m_pen.Ok() && m_autoSetting)
         SetPen (m_pen);
 
@@ -458,8 +440,6 @@ void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
-    //  FreeGetPixelCache();
-
     if (m_pen.Ok() && m_pen.GetStyle () != wxTRANSPARENT)
     {
         if (m_autoSetting)
@@ -470,8 +450,8 @@ void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord
 
         for (i = 0; i < n; i++)
         {
-            xpoints[i].x = XLOG2DEV (points[i].x + xoffset);
-            xpoints[i].y = YLOG2DEV (points[i].y + yoffset);
+            xpoints[i].x = (short)XLOG2DEV (points[i].x + xoffset);
+            xpoints[i].y = (short)YLOG2DEV (points[i].y + yoffset);
         }
         XDrawLines ((Display*) m_display, (Pixmap) m_pixmap, (GC) m_gc, xpoints, n, 0);
 
@@ -479,8 +459,8 @@ void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord
         {
             for (i = 0; i < n; i++)
             {
-                xpoints[i].x = XLOG2DEV_2 (points[i].x + xoffset);
-                xpoints[i].y = YLOG2DEV_2 (points[i].y + yoffset);
+                xpoints[i].x = (short)XLOG2DEV_2 (points[i].x + xoffset);
+                xpoints[i].y = (short)YLOG2DEV_2 (points[i].y + yoffset);
             }
             XDrawLines ((Display*) m_display, (Pixmap) m_window->GetBackingPixmap(),(GC) m_gcBacking, xpoints, n, 0);
         }
@@ -493,17 +473,15 @@ void wxWindowDC::DoDrawPolygon( int n, wxPoint points[],
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
-    //  FreeGetPixelCache();
-
     XPoint *xpoints1 = new XPoint[n + 1];
     XPoint *xpoints2 = new XPoint[n + 1];
     int i;
     for (i = 0; i < n; i++)
     {
-        xpoints1[i].x = XLOG2DEV (points[i].x + xoffset);
-        xpoints1[i].y = YLOG2DEV (points[i].y + yoffset);
-        xpoints2[i].x = XLOG2DEV_2 (points[i].x + xoffset);
-        xpoints2[i].y = YLOG2DEV_2 (points[i].y + yoffset);
+        xpoints1[i].x = (short)XLOG2DEV (points[i].x + xoffset);
+        xpoints1[i].y = (short)YLOG2DEV (points[i].y + yoffset);
+        xpoints2[i].x = (short)XLOG2DEV_2 (points[i].x + xoffset);
+        xpoints2[i].y = (short)YLOG2DEV_2 (points[i].y + yoffset);
         CalcBoundingBox (points[i].x + xoffset, points[i].y + yoffset);
     }
 
@@ -546,8 +524,6 @@ void wxWindowDC::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord h
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
-    //  FreeGetPixelCache();
-
     int xd, yd, wfd, hfd, wd, hd;
 
     xd = XLOG2DEV(x);
@@ -591,8 +567,6 @@ void wxWindowDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wx
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
-    //  FreeGetPixelCache();
-
     // If radius is negative, it's a proportion of the smaller dimension.
 
     if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
@@ -747,8 +721,6 @@ void wxWindowDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wx
     }
     CalcBoundingBox (x, y);
     CalcBoundingBox (x + width, y + height);
-
-
 }
 
 void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
@@ -768,8 +740,6 @@ void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord hei
         width = - width ;
     }
 
-    //  FreeGetPixelCache();
-
     static const int angle = 23040;
 
     int xd, yd, wd, hd;
@@ -808,95 +778,36 @@ void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord hei
 
 bool wxWindowDC::CanDrawBitmap() const
 {
-    wxCHECK_MSG( Ok(), FALSE, "invalid dc" );
-
-    return TRUE;
-}
-
-#if 0
-void wxWindowDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y)
-{
-    //  FreeGetPixelCache();
-
-    // Be sure that foreground pixels (1) of
-    // the Icon will be painted with pen colour. [m_pen.SetColour()]
-    // Background pixels (0) will be painted with
-    // last selected background color. [::SetBackground]
-    if (m_pen.Ok() && m_autoSetting)
-        SetPen (m_pen);
-
-    int width, height;
-    Pixmap iconPixmap = (Pixmap) icon.GetPixmap();
-    width = icon.GetWidth();
-    height = icon.GetHeight();
-    if (icon.GetDisplay() == m_display)
-    {
-        if (icon.GetDepth() <= 1)
-        {
-            XCopyPlane  ((Display*) m_display, iconPixmap, (Pixmap) m_pixmap, (GC) m_gc,
-                0, 0, width, height,
-                (int) XLOG2DEV (x), (int) YLOG2DEV (y), 1);
-        }
-        else
-        {
-            XCopyArea  ((Display*) m_display, iconPixmap, (Pixmap) m_pixmap, (GC) m_gc,
-                0, 0, width, height,
-                (int) XLOG2DEV (x), (int) YLOG2DEV (y));
-        }
-
+    wxCHECK_MSG( Ok(), false, "invalid dc" );
 
-        if (m_window && m_window->GetBackingPixmap())
-        {
-            if (icon.GetDepth() <= 1)
-            {
-                XCopyPlane ((Display*) m_display, iconPixmap, (Pixmap) m_window->GetBackingPixmap(),(GC) m_gcBacking,
-                    0, 0, width, height, (int) XLOG2DEV_2 (x), (int) YLOG2DEV_2 (y), 1);
-            }
-            else
-            {
-                XCopyArea  ((Display*) m_display, iconPixmap, (Pixmap) m_window->GetBackingPixmap(),(GC) m_gcBacking,
-                    0, 0, width, height,
-                    (int) XLOG2DEV_2 (x), (int) YLOG2DEV_2 (y));
-            }
-        }
-    } else { /* Remote copy (different (Display*) m_displays) */
-        XImage *cache = NULL;
-        if (m_window && m_window->GetBackingPixmap())
-            XCopyRemote((Display*) icon.GetDisplay(), (Display*) m_display, iconPixmap, (Pixmap) m_window->GetBackingPixmap(),
-            (GC) m_gcBacking, 0, 0, width, height,
-            (int) XLOG2DEV_2 (x), (int) YLOG2DEV_2 (y), TRUE, &cache);
-        XCopyRemote((Display*) icon.GetDisplay(), (Display*) m_display, iconPixmap, (Pixmap) m_pixmap, (GC) m_gc,
-            0, 0, width, height,
-            (int) XLOG2DEV (x), (int) YLOG2DEV (y), FALSE, &cache);
-    }
-    CalcBoundingBox (x, y);
+    return true;
 }
-#endif // 0
 
-// TODO: use scaled Blit e.g. as per John Price's implementation in Contrib/Utilities
-bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
-                         wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask,
+// TODO: use scaled Blit e.g. as per John Price's implementation
+// in Contrib/Utilities
+bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
+                         wxCoord width, wxCoord height,
+                         wxDC *source, wxCoord xsrc, wxCoord ysrc,
+                         int rop, bool useMask,
                          wxCoord xsrcMask, wxCoord ysrcMask )
 {
-    wxCHECK_MSG( Ok(), FALSE, "invalid dc" );
+    wxCHECK_MSG( Ok(), false, "invalid dc" );
 
     wxWindowDC* sourceDC = wxDynamicCast(source, wxWindowDC);
 
     wxASSERT_MSG( sourceDC, "Blit source DC must be wxWindowDC or derived class." );
 
-    //  FreeGetPixelCache();
-
     // Be sure that foreground pixels (1) of the Icon will be painted with
     // foreground colour. [m_textForegroundColour] Background pixels (0)
     // will be painted with backgound colour (m_textBackgroundColour)
     // Using ::SetPen is horribly slow, so avoid doing it
-    int oldBackgroundPixel = -1;
-    int oldForegroundPixel = -1;
+    WXPixel oldBackgroundPixel = -1;
+    WXPixel oldForegroundPixel = -1;
 
     if (m_textBackgroundColour.Ok())
     {
         oldBackgroundPixel = m_backgroundPixel;
-        int pixel = m_textBackgroundColour.AllocColour(m_display);
+        WXPixel pixel = m_textBackgroundColour.AllocColour(m_display);
 
         XSetBackground ((Display*) m_display, (GC) m_gc, pixel);
         if (m_window && m_window->GetBackingPixmap())
@@ -909,9 +820,9 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
 
         if( m_textForegroundColour.GetPixel() <= -1 )
             CalculatePixel( m_textForegroundColour,
-                            m_textForegroundColour, TRUE);
- 
-        int pixel = m_textForegroundColour.GetPixel();
+                            m_textForegroundColour, true);
+
+        WXPixel pixel = m_textForegroundColour.GetPixel();
         if (pixel > -1)
             SetForegroundPixelWithLogicalFunction(pixel);
     }
@@ -922,7 +833,7 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
     Pixmap sourcePixmap = (Pixmap) NULL;
     double scaleX, scaleY;
     GetUserScale(& scaleX, & scaleY);
-    bool retVal = FALSE;
+    bool retVal = false;
 
     /* TODO: use the mask origin when drawing transparently */
     if (xsrcMask == -1 && ysrcMask == -1)
@@ -941,7 +852,7 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
         wxImage image = bitmap.ConvertToImage();
         if (!image.Ok())
         {
-            sourcePixmap = (Pixmap) bitmap.GetPixmap();
+            sourcePixmap = (Pixmap) bitmap.GetDrawable();
         }
         else
         {
@@ -950,7 +861,7 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
 
             image = image.Scale(scaledW, scaledH);
             scaledBitmap = new wxBitmap(image);
-            sourcePixmap = (Pixmap) scaledBitmap->GetPixmap();
+            sourcePixmap = (Pixmap) scaledBitmap->GetDrawable();
         }
     }
     else
@@ -976,15 +887,15 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
                 source->LogicalToDeviceXRel(width),
                 source->LogicalToDeviceYRel(height),
                 XLOG2DEV_2 (xdest), YLOG2DEV_2 (ydest),
-                TRUE, &cache);
+                True, &cache);
 
             if ( useMask && source->IsKindOf(CLASSINFO(wxMemoryDC)) )
             {
                 wxMemoryDC *memDC = (wxMemoryDC *)source;
                 wxBitmap& sel = memDC->GetBitmap();
-                if ( sel.Ok() && sel.GetMask() && sel.GetMask()->GetPixmap() )
+                if ( sel.Ok() && sel.GetMask() && sel.GetMask()->GetBitmap() )
                 {
-                    XSetClipMask   ((Display*) m_display, (GC) m_gc, (Pixmap) sel.GetMask()->GetPixmap());
+                    XSetClipMask   ((Display*) m_display, (GC) m_gc, (Pixmap) sel.GetMask()->GetBitmap());
                     XSetClipOrigin ((Display*) m_display, (GC) m_gc, XLOG2DEV (xdest), YLOG2DEV (ydest));
                 }
             }
@@ -995,17 +906,22 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
                 source->LogicalToDeviceXRel(width),
                 source->LogicalToDeviceYRel(height),
                 XLOG2DEV (xdest), YLOG2DEV (ydest),
-                FALSE, &cache);
+                False, &cache);
 
             if ( useMask )
             {
-                XSetClipMask   ((Display*) m_display, (GC) m_gc, None);
+                if ( m_clipRegion )
+                    XSetRegion ((Display*) m_display, (GC) m_gc,
+                                (Region) m_clipRegion);
+                else
+                    XSetClipMask   ((Display*) m_display, (GC) m_gc, None);
+
                 XSetClipOrigin ((Display*) m_display, (GC) m_gc, 0, 0);
             }
 
         } else
         {        //XGCValues values;
-        //XGetGCValues((Display*)m_display, (GC)m_gc, GCForeground, &values);   
+        //XGetGCValues((Display*)m_display, (GC)m_gc, GCForeground, &values);
 
             if (m_window && m_window->GetBackingPixmap())
             {
@@ -1033,9 +949,9 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
             {
                 wxMemoryDC *memDC = (wxMemoryDC *)source;
                 wxBitmap& sel = memDC->GetBitmap();
-                if ( sel.Ok() && sel.GetMask() && sel.GetMask()->GetPixmap() )
+                if ( sel.Ok() && sel.GetMask() && sel.GetMask()->GetBitmap() )
                 {
-                    XSetClipMask   ((Display*) m_display, (GC) m_gc, (Pixmap) sel.GetMask()->GetPixmap());
+                    XSetClipMask   ((Display*) m_display, (GC) m_gc, (Pixmap) sel.GetMask()->GetBitmap());
                     XSetClipOrigin ((Display*) m_display, (GC) m_gc, XLOG2DEV (xdest), YLOG2DEV (ydest));
                 }
             }
@@ -1063,7 +979,12 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
             }
             if ( useMask )
             {
-                XSetClipMask   ((Display*) m_display, (GC) m_gc, None);
+                if ( m_clipRegion )
+                    XSetRegion ((Display*) m_display, (GC) m_gc,
+                                (Region) m_clipRegion);
+                else
+                    XSetClipMask   ((Display*) m_display, (GC) m_gc, None);
+
                 XSetClipOrigin ((Display*) m_display, (GC) m_gc, 0, 0);
             }
 
@@ -1073,7 +994,7 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
 
         SetLogicalFunction(orig);
 
-        retVal = TRUE;
+        retVal = true;
   }
   if (scaledBitmap) delete scaledBitmap;
 
@@ -1103,7 +1024,7 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
     int cx = 0;
     int cy = 0;
     int ascent = 0;
-    int slen;
+    int slen = text.length();
 
     // Set FillStyle, otherwise X will use current stipple!
     XGCValues gcV, gcBackingV;
@@ -1117,27 +1038,9 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
         XSetFillStyle ((Display*) m_display, (GC) m_gcBacking, FillSolid);
     }
 
-    slen = strlen(text);
-
     if (m_font.Ok())
-    {
-        WXFontStructPtr pFontStruct = m_font.GetFontStruct(m_userScaleY*m_logicalScaleY, m_display);
-        int direction, descent;
-        XCharStruct overall_return;
-#if 0
-        if (use16)
-            (void)XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *)(const char*) text, slen, &direction,
-            &ascent, &descent, &overall_return);
-        else
-#endif // 0
-            (void)XTextExtents((XFontStruct*) pFontStruct,
-                               wxConstCast(text.c_str(), char),
-                               slen, &direction,
-                               &ascent, &descent, &overall_return);
-
-        cx = overall_return.width;
-        cy = ascent + descent;
-    }
+        wxGetTextExtent (m_display, m_font, m_userScaleY * m_logicalScaleY,
+                         text, &cx, &cy, &ascent, NULL);
 
     // First draw a rectangle representing the text background, if a text
     // background is specified
@@ -1155,9 +1058,9 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
         sameColour = (sameColour &&
             (oldPenColour.GetPixel() == m_textBackgroundColour.GetPixel()));
 
-        if (!sameColour || !GetOptimization())
+        if (!sameColour || !GET_OPTIMIZATION)
         {
-            int pixel = m_textBackgroundColour.AllocColour(m_display);
+            WXPixel pixel = m_textBackgroundColour.AllocColour(m_display);
             m_currentColour = m_textBackgroundColour;
 
             // Set the GC to the required colour
@@ -1188,10 +1091,10 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
             (oldPenColour.Green () == m_currentColour.Green ()) &&
             (oldPenColour.GetPixel() == m_currentColour.GetPixel()));
 
-        if (!sameColour || !GetOptimization())
+        if (!sameColour || !GET_OPTIMIZATION)
         {
-            int pixel = CalculatePixel(m_textForegroundColour,
-                                       m_currentColour, FALSE);
+            WXPixel pixel = CalculatePixel(m_textForegroundColour,
+                                           m_currentColour, false);
 
             // Set the GC to the required colour
             if (pixel > -1)
@@ -1213,7 +1116,12 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
         (XChar2b *)(char*) (const char*) text, slen);
     else
 #endif // 0
+#if wxMOTIF_NEW_FONT_HANDLING
+        XFontSet fset = (XFontSet) m_font.GetFontSet (m_userScaleY * m_logicalScaleY, m_display);
+        XmbDrawString((Display*) m_display, (Pixmap) m_pixmap, fset, (GC) m_gc, XLOG2DEV (x), YLOG2DEV (y) + ascent, text, slen);
+#else
         XDrawString((Display*) m_display, (Pixmap) m_pixmap, (GC) m_gc, XLOG2DEV (x), YLOG2DEV (y) + ascent, text, slen);
+#endif
 
     if (m_window && m_window->GetBackingPixmap()) {
 #if 0
@@ -1223,9 +1131,15 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
             (XChar2b *)(char*) (const char*) text, slen);
         else
 #endif // 0
+#if wxMOTIF_NEW_FONT_HANDLING
+            XmbDrawString((Display*) m_display, (Pixmap) m_window->GetBackingPixmap(), fset, (GC) m_gcBacking,
+            XLOG2DEV_2 (x), YLOG2DEV_2 (y) + ascent,
+                        text.mb_str(), slen);
+#else
             XDrawString((Display*) m_display, (Pixmap) m_window->GetBackingPixmap(), (GC) m_gcBacking,
             XLOG2DEV_2 (x), YLOG2DEV_2 (y) + ascent,
-                        wxConstCast(text.c_str(), char), slen);
+                        text.mb_str(), slen);
+#endif
     }
 
     // restore fill style
@@ -1251,10 +1165,10 @@ void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y,
 
     wxCHECK_RET( Ok(), "invalid dc" );
 
-    int oldBackgroundPixel = -1;
-    int oldForegroundPixel = -1;
-    int foregroundPixel = -1;
-    int backgroundPixel = -1;
+    WXPixel oldBackgroundPixel = -1;
+    WXPixel oldForegroundPixel = -1;
+    WXPixel foregroundPixel = -1;
+    WXPixel backgroundPixel = -1;
 
     if (m_textBackgroundColour.Ok())
     {
@@ -1267,8 +1181,8 @@ void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y,
 
         if( m_textForegroundColour.GetPixel() <= -1 )
             CalculatePixel( m_textForegroundColour,
-                            m_textForegroundColour, TRUE);
- 
+                            m_textForegroundColour, true);
+
         foregroundPixel = m_textForegroundColour.GetPixel();
     }
 
@@ -1276,31 +1190,10 @@ void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y,
     int cx = 0;
     int cy = 0;
     int ascent = 0;
-    int slen = text.length();
 
     if (m_font.Ok())
-    {
-        // Calculate text extent.
-        WXFontStructPtr pFontStruct =
-            m_font.GetFontStruct(m_userScaleY*m_logicalScaleY, m_display);
-        int direction, descent;
-        XCharStruct overall_return;
-#if 0
-        if (use16)
-            (void)XTextExtents16((XFontStruct*) pFontStruct,
-                                 (XChar2b *)(const char*) text,
-                                 slen, &direction,
-            &ascent, &descent, &overall_return);
-        else
-#endif // 0
-            (void)XTextExtents((XFontStruct*) pFontStruct,
-                               wxConstCast(text.c_str(), char),
-                               slen, &direction,
-                               &ascent, &descent, &overall_return);
-
-        cx = overall_return.width;
-        cy = ascent + descent;
-    }
+        wxGetTextExtent (m_display, m_font, m_userScaleY * m_logicalScaleY,
+                         text, &cx, &cy, &ascent, NULL);
 
     wxBitmap src(cx, cy);
     wxMemoryDC dc;
@@ -1399,18 +1292,16 @@ void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y,
 
 bool wxWindowDC::CanGetTextExtent() const
 {
-    return TRUE;
+    return true;
 }
 
 void wxWindowDC::DoGetTextExtent( const wxString &string, wxCoord *width, wxCoord *height,
                                 wxCoord *descent, wxCoord *externalLeading,
-                                wxFont *font ) const
+                                const wxFont *font ) const
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
-    wxFont* theFont = font;
-    if (!theFont)
-        theFont = (wxFont *)&m_font; // const_cast
+    const wxFont* theFont = font ? font : &m_font;
 
     if (!theFont->Ok())
     {
@@ -1422,33 +1313,11 @@ void wxWindowDC::DoGetTextExtent( const wxString &string, wxCoord *width, wxCoor
         return;
     }
 
-    WXFontStructPtr pFontStruct = theFont->GetFontStruct(m_userScaleY*m_logicalScaleY, m_display);
-
-    int direction, ascent, descent2;
-    XCharStruct overall;
-    int slen;
-
-#if 0
-    if (use16)
-        slen = str16len(string);
-    else
-#endif // 0
-        slen = strlen(string);
+    wxGetTextExtent(m_display, *theFont, m_userScaleY * m_logicalScaleY,
+                    string, width, height, NULL, descent);
 
-#if 0
-    if (use16)
-        XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
-        &ascent, &descent2, &overall);
-    else
-#endif // 0
-        XTextExtents((XFontStruct*) pFontStruct,
-                     wxConstCast(string.c_str(), char), slen, &direction,
-        &ascent, &descent2, &overall);
-
-    if (width) *width = XDEV2LOGREL (overall.width);
-    if (height) *height = YDEV2LOGREL (ascent + descent2);
-    if (descent)
-        *descent = descent2;
+    if (width) *width = XDEV2LOGREL (*width);
+    if (height) *height = YDEV2LOGREL (*height);
     if (externalLeading)
         *externalLeading = 0;
 }
@@ -1458,13 +1327,12 @@ wxCoord wxWindowDC::GetCharWidth() const
     wxCHECK_MSG( Ok(), 0, "invalid dc" );
     wxCHECK_MSG( m_font.Ok(), 0, "invalid font" );
 
-    WXFontStructPtr pFontStruct = m_font.GetFontStruct(m_userScaleY * m_logicalScaleY, m_display);
+    int width;
+
+    wxGetTextExtent (m_display, m_font, m_userScaleY * m_logicalScaleY,
+                     "x", &width, NULL, NULL, NULL);
 
-    int direction, ascent, descent;
-    XCharStruct overall;
-    XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
-        &descent, &overall);
-    return XDEV2LOGREL(overall.width);
+    return XDEV2LOGREL(width);
 }
 
 wxCoord wxWindowDC::GetCharHeight() const
@@ -1472,52 +1340,39 @@ wxCoord wxWindowDC::GetCharHeight() const
     wxCHECK_MSG( Ok(), 0, "invalid dc" );
     wxCHECK_MSG( m_font.Ok(), 0, "invalid font" );
 
-    WXFontStructPtr pFontStruct = m_font.GetFontStruct(m_userScaleY*m_logicalScaleY, m_display);
+    int height;
+
+    wxGetTextExtent (m_display, m_font, m_userScaleY * m_logicalScaleY,
+                     "x", NULL, &height, NULL, NULL);
 
-    int direction, ascent, descent;
-    XCharStruct overall;
-    XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
-        &descent, &overall);
-    //  return XDEV2LOGREL(overall.ascent + overall.descent);
-    return XDEV2LOGREL(ascent + descent);
+    return XDEV2LOGREL(height);
 }
 
-void wxWindowDC::Clear()
+void wxWindowDC::DoGetSize( int *width, int *height ) const
 {
-    wxCHECK_RET( Ok(), "invalid dc" );
+    int w = 0, h = 0;
 
-    int w, h;
-    if (m_window)
+    if( m_window )
     {
-        m_window->GetSize(&w, &h);
-
-        if (m_window && m_window->GetBackingPixmap())
+        if( m_window->GetBackingPixmap() )
         {
             w = m_window->GetPixmapWidth();
             h = m_window->GetPixmapHeight();
         }
-    }
-    else
-    {
-        if (this->IsKindOf(CLASSINFO(wxMemoryDC)))
-        {
-            wxMemoryDC* memDC = (wxMemoryDC*) this;
-            w = memDC->GetBitmap().GetWidth();
-            h = memDC->GetBitmap().GetHeight();
-        }
         else
-            return;
+            m_window->GetSize( &w, &h );
     }
 
-    wxBrush saveBrush = m_brush;
-    SetBrush (m_backgroundBrush);
-
-    XFillRectangle ((Display*) m_display, (Pixmap) m_pixmap, (GC) m_gc, 0, 0, w, h);
+    if( width ) *width = w;
+    if( height ) *height = h;
+}
 
-    if (m_window && m_window->GetBackingPixmap())
-        XFillRectangle ((Display*) m_display, (Pixmap) m_window->GetBackingPixmap(),(GC) m_gcBacking, 0, 0, w, h);
+void wxWindowDC::Clear()
+{
+    wxCHECK_RET( Ok(), "invalid dc" );
 
-    m_brush = saveBrush;
+    wxRect rect( GetSize() );
+    Clear( rect );
 }
 
 void wxWindowDC::Clear(const wxRect& rect)
@@ -1530,10 +1385,13 @@ void wxWindowDC::Clear(const wxRect& rect)
     wxBrush saveBrush = m_brush;
     SetBrush (m_backgroundBrush);
 
-    XFillRectangle ((Display*) m_display, (Pixmap) m_pixmap, (GC) m_gc, x, y, w, h);
+    XFillRectangle ((Display*) m_display, (Pixmap) m_pixmap, (GC) m_gc,
+                    x, y, w, h);
 
     if (m_window && m_window->GetBackingPixmap())
-        XFillRectangle ((Display*) m_display, (Pixmap) m_window->GetBackingPixmap(),(GC) m_gcBacking, x, y, w, h);
+        XFillRectangle ((Display*) m_display,
+                        (Pixmap) m_window->GetBackingPixmap(),(GC) m_gcBacking,
+                        x, y, w, h);
 
     m_brush = saveBrush;
 }
@@ -1546,16 +1404,10 @@ void wxWindowDC::SetFont( const wxFont &font )
 
     if (!m_font.Ok())
     {
-        if ((m_oldFont != (WXFont) 0) && ((wxCoord) m_oldFont != -1))
-        {
-            XSetFont ((Display*) m_display, (GC) m_gc, (Font) m_oldFont);
-
-            if (m_window && m_window->GetBackingPixmap())
-                XSetFont ((Display*) m_display,(GC) m_gcBacking, (Font) m_oldFont);
-        }
         return;
     }
 
+#if !wxMOTIF_NEW_FONT_HANDLING
     WXFontStructPtr pFontStruct = m_font.GetFontStruct(m_userScaleY*m_logicalScaleY, m_display);
 
     Font fontId = ((XFontStruct*)pFontStruct)->fid;
@@ -1563,9 +1415,10 @@ void wxWindowDC::SetFont( const wxFont &font )
 
     if (m_window && m_window->GetBackingPixmap())
         XSetFont ((Display*) m_display,(GC) m_gcBacking, fontId);
+#endif
 }
 
-void wxWindowDC::SetForegroundPixelWithLogicalFunction(int pixel)
+void wxWindowDC::SetForegroundPixelWithLogicalFunction(WXPixel pixel)
 {
     if (m_logicalFunction == wxXOR)
     {
@@ -1585,12 +1438,12 @@ void wxWindowDC::SetForegroundPixelWithLogicalFunction(int pixel)
     }
 }
 
-int wxWindowDC::CalculatePixel(wxColour& colour, wxColour& curCol,
+WXPixel wxWindowDC::CalculatePixel(wxColour& colour, wxColour& curCol,
                                bool roundToWhite) const
 {
     const unsigned char wp = (unsigned char)255;
-        
-    int pixel = -1;
+
+    WXPixel pixel = -1;
     if(!m_colour) // Mono display
     {
         unsigned char red = colour.Red ();
@@ -1602,16 +1455,16 @@ int wxWindowDC::CalculatePixel(wxColour& colour, wxColour& curCol,
            ((red != 0 || blue != 0 || green != 0) && roundToWhite))
         {
             curCol = *wxWHITE;
-            pixel = (int)WhitePixel((Display*) m_display,
-                                    DefaultScreen((Display*) m_display));
+            pixel = WhitePixel((Display*) m_display,
+                               DefaultScreen((Display*) m_display));
             curCol.SetPixel(pixel);
             colour.SetPixel(pixel);
         }
         else
         {
             curCol = *wxBLACK;
-            pixel = (int)BlackPixel((Display*) m_display,
-                                    DefaultScreen((Display*) m_display));
+            pixel = BlackPixel((Display*) m_display,
+                               DefaultScreen((Display*) m_display));
             curCol.SetPixel(pixel);
             colour.SetPixel(pixel);
         }
@@ -1670,7 +1523,7 @@ void wxWindowDC::SetPen( const wxPen &pen )
         (oldPenColour.Green () == m_currentColour.Green ()) &&
         (oldPenColour.GetPixel() == m_currentColour.GetPixel()));
 
-    if (!sameStyle || !GetOptimization())
+    if (!sameStyle || !GET_OPTIMIZATION)
     {
         int scaled_width = (int) XLOG2DEVREL (m_pen.GetWidth ());
         if (scaled_width < 0)
@@ -1732,7 +1585,7 @@ void wxWindowDC::SetPen( const wxPen &pen )
             {
                 int factor = scaled_width == 0 ? 1 : scaled_width;
                 for (int i = 0; i < req_nb_dash; i++)
-                    real_req_dash[i] = req_dash[i] * factor;
+                    real_req_dash[i] = (wxX11Dash)(req_dash[i] * factor);
                 XSetDashes ((Display*) m_display, (GC) m_gc, 0, real_req_dash, req_nb_dash);
 
                 if (m_window && m_window->GetBackingPixmap())
@@ -1783,7 +1636,7 @@ void wxWindowDC::SetPen( const wxPen &pen )
             XSetLineAttributes ((Display*) m_display,(GC) m_gcBacking, scaled_width, style, cap, join);
     }
 
-    if (IS_HATCH(m_currentFill) && ((m_currentFill != oldFill) || !GetOptimization()))
+    if (IS_HATCH(m_currentFill) && ((m_currentFill != oldFill) || !GET_OPTIMIZATION))
     {
         Pixmap myStipple;
 
@@ -1840,16 +1693,16 @@ void wxWindowDC::SetPen( const wxPen &pen )
         if (m_window && m_window->GetBackingPixmap())
             XSetStipple ((Display*) m_display,(GC) m_gcBacking, myStipple);
     }
-    else if (m_currentStipple.Ok()
-        && ((m_currentStipple != oldStipple) || !GetOptimization()))
+    else if (m_currentStyle == wxSTIPPLE && m_currentStipple.Ok()
+        && ((!m_currentStipple.IsSameAs(oldStipple)) || !GET_OPTIMIZATION))
     {
-        XSetStipple ((Display*) m_display, (GC) m_gc, (Pixmap) m_currentStipple.GetPixmap());
+        XSetStipple ((Display*) m_display, (GC) m_gc, (Pixmap) m_currentStipple.GetDrawable());
 
         if (m_window && m_window->GetBackingPixmap())
-            XSetStipple ((Display*) m_display,(GC) m_gcBacking, (Pixmap) m_currentStipple.GetPixmap());
+            XSetStipple ((Display*) m_display,(GC) m_gcBacking, (Pixmap) m_currentStipple.GetDrawable());
     }
 
-    if ((m_currentFill != oldFill) || !GetOptimization())
+    if ((m_currentFill != oldFill) || !GET_OPTIMIZATION)
     {
         int fill_style;
 
@@ -1865,15 +1718,15 @@ void wxWindowDC::SetPen( const wxPen &pen )
     }
 
     // must test m_logicalFunction, because it involves background!
-    if (!sameColour || !GetOptimization()
+    if (!sameColour || !GET_OPTIMIZATION
         || ((m_logicalFunction == wxXOR) || (m_autoSetting & 0x2)))
     {
-        int pixel = -1;
+        WXPixel pixel = -1;
         if (m_pen.GetStyle () == wxTRANSPARENT)
             pixel = m_backgroundPixel;
         else
         {
-            pixel = CalculatePixel(m_pen.GetColour(), m_currentColour, FALSE);
+            pixel = CalculatePixel(m_pen.GetColour(), m_currentColour, false);
         }
 
         // Finally, set the GC to the required colour
@@ -1915,7 +1768,7 @@ void wxWindowDC::SetBrush( const wxBrush &brush )
 
     int stippleDepth = -1;
 
-    if ((oldFill != m_brush.GetStyle ()) || !GetOptimization())
+    if ((oldFill != m_brush.GetStyle ()) || !GET_OPTIMIZATION)
     {
         switch (brush.GetStyle ())
         {
@@ -1937,7 +1790,7 @@ void wxWindowDC::SetBrush( const wxBrush &brush )
                 // determine whether fill style should be solid or
                 // transparent
                 int style = stippleDepth == 1 ?
-                    (m_backgroundMode == wxSOLID ? 
+                    (m_backgroundMode == wxSOLID ?
                      FillOpaqueStippled : FillStippled) :
                     FillTiled;
                 XSetFillStyle ((Display*) m_display, (GC) m_gc, style);
@@ -1954,7 +1807,7 @@ void wxWindowDC::SetBrush( const wxBrush &brush )
         }
     }
 
-    if (IS_HATCH(m_currentFill) && ((m_currentFill != oldFill) || !GetOptimization()))
+    if (IS_HATCH(m_currentFill) && ((m_currentFill != oldFill) || !GET_OPTIMIZATION))
     {
         Pixmap myStipple;
 
@@ -2017,26 +1870,26 @@ void wxWindowDC::SetBrush( const wxBrush &brush )
         if (m_currentStipple.GetDepth() == 1)
         {
             XSetStipple ((Display*) m_display, (GC) m_gc,
-                         (Pixmap) m_currentStipple.GetPixmap());
+                         (Pixmap) m_currentStipple.GetDrawable());
         if (m_window && m_window->GetBackingPixmap())
                 XSetStipple ((Display*) m_display,(GC) m_gcBacking,
-                             (Pixmap) m_currentStipple.GetPixmap());
+                             (Pixmap) m_currentStipple.GetDrawable());
         }
         else
         {
             XSetTile ((Display*) m_display, (GC) m_gc,
-                      (Pixmap) m_currentStipple.GetPixmap());
+                      (Pixmap) m_currentStipple.GetDrawable());
             if (m_window && m_window->GetBackingPixmap())
                 XSetTile ((Display*) m_display,(GC) m_gcBacking,
-                          (Pixmap) m_currentStipple.GetPixmap());
+                          (Pixmap) m_currentStipple.GetDrawable());
         }
     }
 
     // must test m_logicalFunction, because it involves background!
-    if (!sameColour || !GetOptimization() || m_logicalFunction == wxXOR)
+    if (!sameColour || !GET_OPTIMIZATION || m_logicalFunction == wxXOR)
     {
-        int pixel = CalculatePixel(m_brush.GetColour(), m_currentColour, TRUE);
- 
+        WXPixel pixel = CalculatePixel(m_brush.GetColour(), m_currentColour, true);
+
         if (pixel > -1)
             SetForegroundPixelWithLogicalFunction(pixel);
     }
@@ -2055,14 +1908,6 @@ void wxWindowDC::SetBackground( const wxBrush &brush )
 
     m_backgroundPixel = m_backgroundBrush.GetColour().AllocColour(m_display);
 
-    // New behaviour, 10/2/99: setting the background brush of a DC
-    // doesn't affect the window background colour.
-/*
-    // XSetWindowBackground doesn't work for non-Window pixmaps
-    if (!this->IsKindOf(CLASSINFO(wxMemoryDC)))
-        XSetWindowBackground ((Display*) m_display, (Pixmap) m_pixmap, pixel);
-*/
-
     // Necessary for ::DrawIcon, which use fg/bg pixel or the GC.
     // And Blit,... (Any fct that use XCopyPlane, in fact.)
     XSetBackground ((Display*) m_display, (GC) m_gc, m_backgroundPixel);
@@ -2150,23 +1995,14 @@ void wxWindowDC::SetTextForeground( const wxColour &col )
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
-    if (m_textForegroundColour == col)
-        return;
-
     m_textForegroundColour = col;
-
 }
 
 void wxWindowDC::SetTextBackground( const wxColour &col )
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
-    if (m_textBackgroundColour == col)
-        return;
-
     m_textBackgroundColour = col;
-    if (!m_textBackgroundColour.Ok())
-        return;
 }
 
 void wxWindowDC::SetBackgroundMode( int mode )
@@ -2189,95 +2025,87 @@ void wxWindowDC::SetPalette( const wxPalette& palette )
     }
 }
 
-// Helper function
-void wxWindowDC::SetDCClipping()
+static void wxCopyRegion( WXRegion src, WXRegion& dst )
 {
-    // m_userRegion is the region set by calling SetClippingRegion
-
-    if (m_currentRegion)
-        XDestroyRegion ((Region) m_currentRegion);
-
-    // We need to take into account
-    // clipping imposed on a window by a repaint.
-    // We'll combine it with the user region. But for now,
-    // just use the currently-defined user clipping region.
-    if (m_userRegion || (m_window && m_window->GetUpdateRegion().Ok()) )
-        m_currentRegion = (WXRegion) XCreateRegion ();
-    else
-        m_currentRegion = (WXRegion) NULL;
-
-    if ((m_window && m_window->GetUpdateRegion().Ok()) && m_userRegion)
-        XIntersectRegion ((Region) m_window->GetUpdateRegion().GetXRegion(), (Region) m_userRegion, (Region) m_currentRegion);
-    else if (m_userRegion)
-        XIntersectRegion ((Region) m_userRegion, (Region) m_userRegion, (Region) m_currentRegion);
-    else if (m_window && m_window->GetUpdateRegion().Ok())
-        XIntersectRegion ((Region) m_window->GetUpdateRegion().GetXRegion(), (Region) m_window->GetUpdateRegion().GetXRegion(),
-        (Region) m_currentRegion);
+    if( !dst )
+        dst = XCreateRegion();
+    XUnionRegion( (Region)src, (Region)src, (Region)dst );
+}
 
-    if (m_currentRegion)
+// Helper function; userRegion is the region set by calling SetClippingRegion
+void wxWindowDC::SetDCClipping( WXRegion userRegion )
+{
+    bool hasUpdateRegion = m_window && m_window->GetUpdateRegion().Ok();
+    // this means that we should start the clip region from scratch,
+    // or from the update region, if any
+    if( !userRegion )
     {
-        XSetRegion ((Display*) m_display, (GC) m_gc, (Region) m_currentRegion);
+        if( m_clipRegion )
+            XDestroyRegion( (Region)m_clipRegion );
+        m_clipRegion = (WXRegion)NULL;
+
+        if( hasUpdateRegion )
+            wxCopyRegion( m_window->GetUpdateRegion().GetX11Region(),
+                          m_clipRegion );
     }
-    else
+    // intersect the user region, if any, with the
+    // exisiting clip region
+    else // if( userRegion )
     {
-        XSetClipMask ((Display*) m_display, (GC) m_gc, None);
+        if( !m_clipRegion )
+            wxCopyRegion( userRegion, m_clipRegion );
+        else
+            XIntersectRegion( (Region)m_clipRegion,
+                              (Region)userRegion, (Region)m_clipRegion );
     }
 
+    if( m_clipRegion )
+        XSetRegion( (Display*)m_display, (GC)m_gc, (Region)m_clipRegion );
+    else
+        XSetClipMask( (Display*)m_display, (GC)m_gc, None );
 }
 
-void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y,
+                                      wxCoord width, wxCoord height )
 {
     wxDC::DoSetClippingRegion( x, y, width, height );
 
-    if (m_userRegion)
-        XDestroyRegion ((Region) m_userRegion);
-    m_userRegion = (WXRegion) XCreateRegion ();
-    XRectangle r;
-    r.x = XLOG2DEV (x);
-    r.y = YLOG2DEV (y);
-    r.width = XLOG2DEVREL(width);
-    r.height = YLOG2DEVREL(height);
-    XUnionRectWithRegion (&r, (Region) m_userRegion, (Region) m_userRegion);
+    wxRegion temp(XLOG2DEV(x), YLOG2DEV(y),
+                  XLOG2DEVREL(width), YLOG2DEVREL(height));
 
-    SetDCClipping ();
+    SetDCClipping(temp.GetX11Region());
 
     // Needs to work differently for Pixmap: without this,
     // there's a nasty (Display*) m_display bug. 8/12/94
     if (m_window && m_window->GetBackingPixmap())
     {
         XRectangle rects[1];
-        rects[0].x = XLOG2DEV_2(x);
-        rects[0].y = YLOG2DEV_2(y);
-        rects[0].width = XLOG2DEVREL(width);
-        rects[0].height = YLOG2DEVREL(height);
-        XSetClipRectangles((Display*) m_display, (GC) m_gcBacking, 0, 0, rects, 1, Unsorted);
+        rects[0].x = (short)XLOG2DEV_2(x);
+        rects[0].y = (short)YLOG2DEV_2(y);
+        rects[0].width = (unsigned short)XLOG2DEVREL(width);
+        rects[0].height = (unsigned short)YLOG2DEVREL(height);
+        XSetClipRectangles((Display*) m_display, (GC) m_gcBacking,
+                           0, 0, rects, 1, Unsorted);
     }
 }
 
 void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion& region )
 {
-    wxRect box = region.GetBox();
-
-    wxDC::DoSetClippingRegion( box.x, box.y, box.width, box.height );
-
-    if (m_userRegion)
-        XDestroyRegion ((Region) m_userRegion);
-    m_userRegion = (WXRegion) XCreateRegion ();
-
-    XUnionRegion((Region) m_userRegion, (Region) region.GetXRegion(), (Region) m_userRegion);
-
-    SetDCClipping ();
+    SetDCClipping(region.GetX11Region());
 
     // Needs to work differently for Pixmap: without this,
     // there's a nasty (Display*) m_display bug. 8/12/94
     if (m_window && m_window->GetBackingPixmap())
     {
+        wxRect box = region.GetBox();
+
         XRectangle rects[1];
-        rects[0].x = XLOG2DEV_2(box.x);
-        rects[0].y = YLOG2DEV_2(box.y);
-        rects[0].width = XLOG2DEVREL(box.width);
-        rects[0].height = YLOG2DEVREL(box.height);
-        XSetClipRectangles((Display*) m_display, (GC) m_gcBacking, 0, 0, rects, 1, Unsorted);
+        rects[0].x = (short)XLOG2DEV_2(box.x);
+        rects[0].y = (short)YLOG2DEV_2(box.y);
+        rects[0].width = (unsigned short)XLOG2DEVREL(box.width);
+        rects[0].height = (unsigned short)YLOG2DEVREL(box.height);
+        XSetClipRectangles((Display*) m_display, (GC) m_gcBacking,
+                           0, 0, rects, 1, Unsorted);
     }
 }
 
@@ -2286,21 +2114,16 @@ void wxWindowDC::DestroyClippingRegion()
 {
     wxDC::DestroyClippingRegion();
 
-    if (m_userRegion)
-        XDestroyRegion ((Region) m_userRegion);
-    m_userRegion = NULL;
+    SetDCClipping(NULL);
 
-    SetDCClipping ();
-
-    XGCValues gc_val;
-    gc_val.clip_mask = None;
     if (m_window && m_window->GetBackingPixmap())
-        XChangeGC((Display*) m_display, (GC) m_gcBacking, GCClipMask, &gc_val);
+        XSetClipMask ((Display*) m_display, (GC) m_gcBacking, None);
 }
 
 // Resolution in pixels per logical inch
 wxSize wxWindowDC::GetPPI() const
 {
+    // TODO
     return wxSize(100, 100);
 }
 
@@ -2319,51 +2142,15 @@ int wxWindowDC::GetDepth() const
 
 wxPaintDC::wxPaintDC(wxWindow* win) : wxWindowDC(win)
 {
-    wxRegion* region = NULL;
-
-    // Combine all the update rects into a region
-    const wxRectList& updateRects(win->GetUpdateRects());
-    if ( updateRects.GetCount() != 0 )
-    {
-        for ( wxRectList::Node *node = updateRects.GetFirst();
-              node;
-              node = node->GetNext() )
-        {
-            wxRect* rect = node->GetData();
-
-            if (!region)
-                region = new wxRegion(*rect);
-            else
-                // TODO: is this correct? In SetDCClipping above,
-                // XIntersectRegion is used to combine paint and user
-                // regions. XIntersectRegion appears to work in that case...
-                region->Union(*rect);
-        }
-    }
-    else
-    {
-        int cw, ch;
-        win->GetClientSize(&cw, &ch);
-        region = new wxRegion(wxRect(0, 0, cw, ch));
-    }
-
-    win->SetUpdateRegion(*region);
-
-    wxRegion& theRegion(win->GetUpdateRegion());
-    theRegion.SetRects(updateRects); // We also store in terms of rects, for iteration to work.
-
-    // Set the clipping region. Any user-defined region will be combined with this
-    // one in SetDCClipping.
-    XSetRegion ((Display*) m_display, (GC) m_gc, (Region) region->GetXRegion());
-
-    delete region;
+    // Set the clipping region.to the update region
+    SetDCClipping((WXRegion)NULL);
 }
 
 wxPaintDC::~wxPaintDC()
 {
-    XSetClipMask ((Display*) m_display, (GC) m_gc, None);
     if (m_window)
         m_window->ClearUpdateRegion();
+    SetDCClipping((WXRegion)NULL);
 }
 
 // ----------------------------------------------------------------------------
@@ -2388,7 +2175,7 @@ static void XCopyRemote(Display *src_display, Display *dest_display,
     static const int CACHE_SIZE = 256;
 
     unsigned int i, j;
-    unsigned long cachesrc[CACHE_SIZE], cachedest[CACHE_SIZE];
+    Pixel cachesrc[CACHE_SIZE], cachedest[CACHE_SIZE];
     int k, cache_pos, all_cache;
 
     if (!cache || !*cache)
@@ -2402,11 +2189,11 @@ static void XCopyRemote(Display *src_display, Display *dest_display,
     destcm = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dest_display);
 
     cache_pos = 0;
-    all_cache = FALSE;
+    all_cache = False;
 
     for (i = 0; i < w; i++)
         for (j = 0; j < h; j++) {
-            unsigned long pixel;
+            Pixel pixel;
             XColor xcol;
 
             pixel = XGetPixel(image, i, j);
@@ -2430,7 +2217,7 @@ static void XCopyRemote(Display *src_display, Display *dest_display,
 
                         if (++cache_pos >= CACHE_SIZE) {
                             cache_pos = 0;
-                            all_cache = TRUE;
+                            all_cache = true;
                         }
 
 install:
@@ -2440,7 +2227,7 @@ install:
         XPutImage(dest_display, dest, destgc, destimage, 0, 0, destx, desty, w, h);
         XDestroyImage(destimage);
 
-        if (more)
+        if (more && cache)
             *cache = image;
         else
             XDestroyImage(image);