remove the line for image.h, restore a line commented out by mistake

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

diff --git a/src/gtk/dcclient.cpp b/src/gtk/dcclient.cpp
index dbf2d639a1b46af5e1b1a6d0f947673e90411d14..0b2a1391cd461bebb77b194273181aa41e7530d3 100644 (file)
--- a/src/gtk/dcclient.cpp
+++ b/src/gtk/dcclient.cpp
@@ -2,9 +2,8 @@
 // Name:        dcclient.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Name:        dcclient.cpp
 // Purpose:
 // Author:      Robert Roebling

-// Created:     01/02/97
-// Id:
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// RCS-ID:      $Id$
+// Copyright:   (c) 1998 Robert Roebling, Markus Holzem, Chris Breeze

 // Licence:    wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:    wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 


@@ -13,6 +12,9 @@
 #endif
 
 #include "wx/dcclient.h"
 #endif
 
 #include "wx/dcclient.h"

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

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


@@ -27,7 +29,7 @@
 #define  num_hatches 6
 
 static GdkPixmap  *hatches[num_hatches];
 #define  num_hatches 6
 
 static GdkPixmap  *hatches[num_hatches];

-static GdkPixmap **hatch_bitmap = NULL;
+static GdkPixmap **hatch_bitmap = (GdkPixmap **) NULL;

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


@@ -36,582 +38,1028 @@ static GdkPixmap **hatch_bitmap = NULL;
 #define RAD2DEG 57.2957795131
 
 //-----------------------------------------------------------------------------
 #define RAD2DEG 57.2957795131
 
 //-----------------------------------------------------------------------------

-// wxPaintDC
+// temporary implementation of the missing GDK function
+//-----------------------------------------------------------------------------
+#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)
+        return;
+       
+    gc_private = (GdkGCPrivate*) gc;
+
+    if (width == -1) width = src_private->width;
+    if (height == -1) height = src_private->height;
+
+    XCopyPlane( drawable_private->xdisplay,
+               src_private->xwindow,
+               drawable_private->xwindow,
+               gc_private->xgc,
+               xsrc, ysrc,
+               width, height,
+               xdest, ydest,
+               1 );
+}
+
+//-----------------------------------------------------------------------------
+// wxWindowDC

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

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

 
 

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

 {
 {

-};
+    m_penGC = (GdkGC *) NULL;
+    m_brushGC = (GdkGC *) NULL;
+    m_textGC = (GdkGC *) NULL;
+    m_bgGC = (GdkGC *) NULL;
+    m_cmap = (GdkColormap *) NULL;
+    m_isMemDC = FALSE;
+}

 
 

-wxPaintDC::wxPaintDC( wxWindow *window )
+wxWindowDC::wxWindowDC( wxWindow *window )

 {
 {

-  if (!window) return;
-  GtkWidget *widget = window->m_wxwindow;
-  if (!widget) return;
-  m_window = widget->window;
-  if (!m_window) return;
-  if (window->m_wxwindow)
-    m_cmap = gtk_widget_get_colormap( window->m_wxwindow );
-  else
-    m_cmap = gtk_widget_get_colormap( window->m_widget );
-  SetUpDC();
+    m_penGC = (GdkGC *) NULL;
+    m_brushGC = (GdkGC *) NULL;
+    m_textGC = (GdkGC *) NULL;
+    m_bgGC = (GdkGC *) NULL;
+    m_cmap = (GdkColormap *) NULL;

   
   

-  long x = 0;
-  long y = 0;
-  window->GetDrawingOffset( &x, &y );
-  SetInternalDeviceOrigin( -x, -y );
-};
+    if (!window) return;
+    GtkWidget *widget = window->m_wxwindow;
+    if (!widget) return;
+    m_window = widget->window;
+    if (!m_window) return;
+    if (window->m_wxwindow)
+        m_cmap = gtk_widget_get_colormap( window->m_wxwindow );
+    else
+        m_cmap = gtk_widget_get_colormap( window->m_widget );
+    
+    m_isMemDC = FALSE;
+        
+    SetUpDC();
+    
+}

 
 

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

 {
 {

-};
+    Destroy();
+}

 
 

-void wxPaintDC::FloodFill( long WXUNUSED(x1), long WXUNUSED(y1), 
-  wxColour *WXUNUSED(col), int WXUNUSED(style) )
+void wxWindowDC::FloodFill( long WXUNUSED(x), long WXUNUSED(y), 
+                           const wxColour &WXUNUSED(col), int WXUNUSED(style) )

 {
 {

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

 
 

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

 {
 {

-  return FALSE;
-};
+    wxFAIL_MSG( "wxWindowDC::GetPixel not implemented" );
+    return FALSE;
+}

 
 

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

 {
 {

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

   
   

-  if (m_pen.GetStyle() != wxTRANSPARENT)
-  {
-    gdk_draw_line( m_window, m_penGC, 
-      XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
-  };
-};
+    if (m_pen.GetStyle() != wxTRANSPARENT)
+    {
+        gdk_draw_line( m_window, m_penGC, 
+                       XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
+                      
+        CalcBoundingBox(x1, y1);
+        CalcBoundingBox(x2, y2);
+    }
+}

 
 

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

 {
 {

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

   
   

-  if (m_pen.GetStyle() != wxTRANSPARENT)
-  {
-    int w = 0;
-    int h = 0;
-    GetSize( &w, &h );
-    long xx = XLOG2DEV(x);
-    long yy = YLOG2DEV(y);
-    gdk_draw_line( m_window, m_penGC,
-      0, yy, XLOG2DEVREL(w), yy );
-    gdk_draw_line( m_window, m_penGC,
-      xx, 0, xx, YLOG2DEVREL(h) );
-  };
-};
-
-void wxPaintDC::DrawArc( long x1, long y1, long x2, long y2, double xc, double yc )
-{
-  if (!Ok()) return;
-  
-  long xx1 = XLOG2DEV(x1); 
-  long yy1 = YLOG2DEV(y1);
-  long xx2 = XLOG2DEV(x2); 
-  long yy2 = YLOG2DEV(y2);
-  long xxc = XLOG2DEV((long)xc); 
-  long yyc = YLOG2DEV((long)yc);
-  double dx = xx1 - xxc; 
-  double dy = yy1 - yyc;
-  double radius = sqrt(dx*dx+dy*dy);
-  long   r      = (long)radius;
-  double radius1, radius2;
-
-  if (xx1 == xx2 && yy1 == yy2) 
-  {
-    radius1 = 0.0;
-    radius2 = 360.0;
-  } 
-  else 
-  if (radius == 0.0) 
-  {
-    radius1 = radius2 = 0.0;
-  } 
-  else 
-  {
-    radius1 = (xx1 - xxc == 0) ?
+    if (m_pen.GetStyle() != wxTRANSPARENT)
+    {
+        int w = 0;
+        int h = 0;
+        GetSize( &w, &h );
+        long xx = XLOG2DEV(x);
+        long yy = YLOG2DEV(y);
+        gdk_draw_line( m_window, m_penGC, 0, yy, XLOG2DEVREL(w), yy );
+        gdk_draw_line( m_window, m_penGC, xx, 0, xx, YLOG2DEVREL(h) );
+    }
+}
+
+void wxWindowDC::DrawArc( long x1, long y1, long x2, long y2, double xc, double yc )
+{
+    wxCHECK_RET( Ok(), "invalid window dc" );
+  
+    long xx1 = XLOG2DEV(x1); 
+    long yy1 = YLOG2DEV(y1);
+    long xx2 = XLOG2DEV(x2); 
+    long yy2 = YLOG2DEV(y2);
+    long xxc = XLOG2DEV((long)xc); 
+    long yyc = YLOG2DEV((long)yc);
+    double dx = xx1 - xxc; 
+    double dy = yy1 - yyc;
+    double radius = sqrt(dx*dx+dy*dy);
+    long   r      = (long)radius;
+    double radius1, radius2;
+
+    if (xx1 == xx2 && yy1 == yy2) 
+    {
+        radius1 = 0.0;
+        radius2 = 360.0;
+    } 
+    else 
+    if (radius == 0.0) 
+    {
+        radius1 = radius2 = 0.0;
+    } 
+    else 
+    {
+        radius1 = (xx1 - xxc == 0) ?

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

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

            (yy2 - yyc < 0) ? 90.0 : -90.0 :
            -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
            (yy2 - yyc < 0) ? 90.0 : -90.0 :
            -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;

-  };
-  long alpha1 = long(radius1 * 64.0);
-  long alpha2 = long((radius2 - radius1) * 64.0);
-  while (alpha2 <= 0) alpha2 += 360*64;
-  while (alpha1 > 360*64) alpha1 -= 360*64;
+    }
+    long alpha1 = long(radius1 * 64.0);
+    long alpha2 = long((radius2 - radius1) * 64.0);
+    while (alpha2 <= 0) alpha2 += 360*64;
+    while (alpha1 > 360*64) alpha1 -= 360*64;

 
 

-  if (m_brush.GetStyle() != wxTRANSPARENT)
-    gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+    if (m_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_pen.GetStyle() != wxTRANSPARENT)
+        gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+      
+    CalcBoundingBox (x1, y1);
+    CalcBoundingBox (x2, y2);
+}

 
 

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

 {
 {

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

   
   

-  if (width<0) { width=-width; x=x-width; }
-  if (height<0) { height=-height; y=y-height; }
-
-  long xx = XLOG2DEV(x);    
-  long yy = YLOG2DEV(y);
-  long ww = XLOG2DEVREL(width); 
-  long hh = YLOG2DEVREL(height);
+    long xx = XLOG2DEV(x);    
+    long yy = YLOG2DEV(y);
+    long ww = m_signX * XLOG2DEVREL(width); 
+    long hh = m_signY * YLOG2DEVREL(height);
+  
+    // CMB: handle -ve width and/or height
+    if (ww < 0) { ww = -ww; xx = xx - ww; }
+    if (hh < 0) { hh = -hh; yy = yy - hh; }

   
   

-  if (m_brush.GetStyle() != wxTRANSPARENT)
-    gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww-1, hh-1, 0, long(sa*64) );
+    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, 0, long(ea*64) );
-};
+    if (m_pen.GetStyle() != wxTRANSPARENT)
+        gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, start, end );
+       
+    CalcBoundingBox (x, y);
+    CalcBoundingBox (x + width, y + height);
+}

 
 

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

 {
 {

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

   
   

-  if (m_pen.GetStyle() != wxTRANSPARENT)
-    gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
-};
+    if (m_pen.GetStyle() != wxTRANSPARENT)
+        gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
+       
+    CalcBoundingBox (x, y);
+}

 
 

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

 {
 {

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

   
   

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

   
   

-  for (int i = 0; i < n-1; i++)
-  {
-    long x1 = XLOG2DEV(points[i].x + xoffset);
-    long x2 = XLOG2DEV(points[i+1].x + xoffset);
-    long y1 = YLOG2DEV(points[i].y + yoffset);     // oh, what a waste
-    long y2 = YLOG2DEV(points[i+1].y + yoffset);
-    gdk_draw_line( m_window, m_brushGC, x1, y1, x2, y2 );
-  };
-};
+    CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
+    
+    for (int i = 0; i < n-1; i++)
+    {
+        long x1 = XLOG2DEV(points[i].x + xoffset);
+        long x2 = XLOG2DEV(points[i+1].x + xoffset);
+        long y1 = YLOG2DEV(points[i].y + yoffset);     // oh, what a waste
+        long y2 = YLOG2DEV(points[i+1].y + yoffset);
+        gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );
+       
+        CalcBoundingBox( points[i+1].x + xoffset, points[i+1].y + yoffset );
+    }
+}

 
 

-void wxPaintDC::DrawLines( wxList *points, long xoffset, long yoffset )
+void wxWindowDC::DrawLines( wxList *points, long xoffset, long yoffset )

 {
 {

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

   
   

-  if (m_pen.GetStyle() == wxTRANSPARENT) return;
+    if (m_pen.GetStyle() == wxTRANSPARENT) return;

   
   

-  wxNode *node = points->First();
-  while (node->Next())
-  {
-    wxPoint *point = (wxPoint*)node->Data();
-    wxPoint *npoint = (wxPoint*)node->Next()->Data();
-    long x1 = XLOG2DEV(point->x + xoffset);
-    long x2 = XLOG2DEV(npoint->x + xoffset);
-    long y1 = YLOG2DEV(point->y + yoffset);    // and again...
-    long y2 = YLOG2DEV(npoint->y + yoffset);
-    gdk_draw_line( m_window, m_brushGC, x1, y1, x2, y2 );
-    node = node->Next();
-  };
-};
+    wxNode *node = points->First();
+    if (!node) return;
+    
+    wxPoint *pt = (wxPoint*)node->Data();
+    CalcBoundingBox( pt->x + xoffset, pt->y + yoffset );
+       
+    while (node->Next())
+    {
+        wxPoint *point = (wxPoint*)node->Data();
+        wxPoint *npoint = (wxPoint*)node->Next()->Data();
+        long x1 = XLOG2DEV(point->x + xoffset);
+        long x2 = XLOG2DEV(npoint->x + xoffset);
+        long y1 = YLOG2DEV(point->y + yoffset);    // and a waste again...
+        long y2 = YLOG2DEV(npoint->y + yoffset);
+        gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );
+        node = node->Next();
+       
+        CalcBoundingBox( npoint->x + xoffset, npoint->y + yoffset );
+    }
+}

 
 

-void wxPaintDC::DrawPolygon( int WXUNUSED(n), wxPoint WXUNUSED(points)[], 
-  long WXUNUSED(xoffset), long WXUNUSED(yoffset), int WXUNUSED(fillStyle) )
+void wxWindowDC::DrawPolygon( int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle) )

 {
 {

-  if (!Ok()) return;
-};
+    wxCHECK_RET( Ok(), "invalid window dc" );
+  
+    if (n <= 0) return;
+    
+    GdkPoint *gdkpoints = new GdkPoint[n+1];
+    int i;
+    for (i = 0 ; i < n ; i++)
+    {
+        gdkpoints[i].x = XLOG2DEV(points[i].x + xoffset);
+        gdkpoints[i].y = YLOG2DEV(points[i].y + yoffset);
+       
+        CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset );
+    }
+    
+    if (m_brush.GetStyle() != wxTRANSPARENT)
+        gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n);
+     
+    // To do: Fillstyle
+   
+    if (m_pen.GetStyle() != wxTRANSPARENT)
+        for (i = 0 ; i < n ; i++)
+       {
+            gdk_draw_line( m_window, m_penGC, 
+                          gdkpoints[i%n].x,
+                          gdkpoints[i%n].y,
+                          gdkpoints[(i+1)%n].x,
+                          gdkpoints[(i+1)%n].y);
+        }
+       
+    delete[] gdkpoints;
+}

 
 

-void wxPaintDC::DrawPolygon( wxList *WXUNUSED(lines), long WXUNUSED(xoffset), 
-                             long WXUNUSED(yoffset), int WXUNUSED(fillStyle) )
+void wxWindowDC::DrawPolygon( wxList *lines, long xoffset, long yoffset, int WXUNUSED(fillStyle))

 {
 {

-  if (!Ok()) return;
-};
+    wxCHECK_RET( Ok(), "invalid window dc" );
+  
+    int n = lines->Number();
+    if (n <= 0) return;
+    
+    GdkPoint *gdkpoints = new GdkPoint[n];
+    wxNode *node = lines->First();
+    int cnt = 0;
+    while (node)
+    {
+        wxPoint *p = (wxPoint *) node->Data();
+        gdkpoints[cnt].x = XLOG2DEV(p->x + xoffset);
+        gdkpoints[cnt].y = YLOG2DEV(p->y + yoffset);
+        node = node->Next();
+        cnt++;
+       
+        CalcBoundingBox( p->x + xoffset, p->y + yoffset );
+    }
+    
+    if (m_brush.GetStyle() != wxTRANSPARENT)
+        gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n);
+       
+    // To do: Fillstyle
+    
+    if (m_pen.GetStyle() != wxTRANSPARENT)
+    {
+        int i;
+        for (i = 0 ; i < n ; i++)
+       {
+           gdk_draw_line( m_window, m_penGC, 
+                          gdkpoints[i%n].x,
+                          gdkpoints[i%n].y,
+                          gdkpoints[(i+1)%n].x,
+                          gdkpoints[(i+1)%n].y );
+        }
+    }
+    delete[] gdkpoints;
+}

 
 

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

 {
 {

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

 
 

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

     
     

-  if (m_brush.GetStyle() != wxTRANSPARENT)
-    gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
+    // CMB: draw nothing if transformed w or h is 0
+    if (ww == 0 || hh == 0) return;
+
+    // CMB: handle -ve width and/or height
+    if (ww < 0) { ww = -ww; xx = xx - ww; }
+    if (hh < 0) { hh = -hh; yy = yy - hh; }
+
+    if (m_brush.GetStyle() != wxTRANSPARENT)
+      gdk_draw_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_pen.GetStyle() != wxTRANSPARENT)
+      gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 );
+ 
+    CalcBoundingBox( x, y );
+    CalcBoundingBox( x + width, y + height );
+}

 
 

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

 {
 {

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

   
   

-  if (width<0) { width=-width; x=x-width; }
-  if (height<0) { height=-height; y=y-height; }
-
-  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 = XLOG2DEVREL(width); 
-  long hh = YLOG2DEVREL(height);
-  long rr = XLOG2DEVREL((long)radius);
-  long dd = 2 * rr;
+    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);

 
 

-  if (m_brush.GetStyle() != wxTRANSPARENT)
-  {
-    gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd, hh );
-    gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd );
-    gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
-    gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
-    gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
-    gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
-  };
-  
-  if (m_pen.GetStyle() != wxTRANSPARENT)
-  {
-    gdk_draw_line( m_window, m_penGC, xx+rr, yy, xx+ww-rr, yy );
-    gdk_draw_line( m_window, m_penGC, xx+rr, yy+hh, xx+ww-rr, yy+hh );
-    gdk_draw_line( m_window, m_penGC, xx, yy+rr, xx, yy+hh-rr );
-    gdk_draw_line( m_window, m_penGC, xx+ww, yy+rr, xx+ww, yy+hh-rr );
-    gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, dd, dd, 90*64, 90*64 );
-    gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
-    gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
-    gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
-  };
-};
+    // CMB: handle -ve width and/or height
+    if (ww < 0) { ww = -ww; xx = xx - ww; }
+    if (hh < 0) { hh = -hh; yy = yy - hh; }
+
+    // CMB: if radius is zero use DrawRectangle() instead to avoid
+    // X drawing errors with small radii
+    if (rr == 0)
+    {
+        DrawRectangle( x, y, width, height );
+        return;
+    }

 
 

-void wxPaintDC::DrawEllipse( long x, long y, long width, long height )
+    // CMB: draw nothing if transformed w or h is 0
+    if (ww == 0 || hh == 0) return;
+
+    // CMB: adjust size if outline is drawn otherwise the result is
+    // 1 pixel too wide and high
+    if (m_pen.GetStyle() != wxTRANSPARENT)
+    {
+        ww--;
+        hh--;
+    }
+
+    // CMB: ensure dd is not larger than rectangle otherwise we
+    // get an hour glass shape
+    long dd = 2 * rr;
+    if (dd > ww) dd = ww;
+    if (dd > hh) dd = hh;
+    rr = dd / 2;
+
+    if (m_brush.GetStyle() != wxTRANSPARENT)
+    {
+        gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
+        gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
+        gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
+        gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
+        gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
+        gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+    }
+  
+    if (m_pen.GetStyle() != wxTRANSPARENT)
+    {
+        gdk_draw_line( m_window, m_penGC, xx+rr, yy, xx+ww-rr, yy );
+        gdk_draw_line( m_window, m_penGC, xx+rr, yy+hh, xx+ww-rr, yy+hh );
+        gdk_draw_line( m_window, m_penGC, xx, yy+rr, xx, yy+hh-rr );
+        gdk_draw_line( m_window, m_penGC, xx+ww, yy+rr, xx+ww, yy+hh-rr );
+        gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, dd, dd, 90*64, 90*64 );
+        gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
+        gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
+        gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+    }
+    
+    // this ignores the radius
+    CalcBoundingBox( x, y );
+    CalcBoundingBox( x + width, y + height );
+}
+
+void wxWindowDC::DrawEllipse( long x, long y, long width, long height )

 {
 {

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

   
   

-  if (width<0) { width=-width; x=x-width; }
-  if (height<0) { height=-height; y=y-height; }
+    long xx = XLOG2DEV(x);    
+    long yy = YLOG2DEV(y);
+    long ww = m_signX * XLOG2DEVREL(width); 
+    long hh = m_signY * YLOG2DEVREL(height);

 
 

-  long xx = XLOG2DEV(x);    
-  long yy = YLOG2DEV(y);
-  long ww = XLOG2DEVREL(width); 
-  long hh = YLOG2DEVREL(height);
+    // CMB: handle -ve width and/or height
+    if (ww < 0) { ww = -ww; xx = xx - ww; }
+    if (hh < 0) { hh = -hh; yy = yy - hh; }

   
   

-  if (m_brush.GetStyle() != wxTRANSPARENT)
-    gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
+    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_pen.GetStyle() != wxTRANSPARENT)
+        gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 );
+       
+    CalcBoundingBox( x - width, y - height );
+    CalcBoundingBox( x + width, y + height );
+}

 
 

-bool wxPaintDC::CanDrawBitmap(void) const
+bool wxWindowDC::CanDrawBitmap() const

 {
 {

-  return TRUE;
-};
+    return TRUE;
+}
+
+void wxWindowDC::DrawIcon( const wxIcon &icon, long x, long y )
+{
+    DrawBitmap( icon, x, y, TRUE );
+}

 
 

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

 {
 {

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

   
   

-  if (!icon.Ok()) return;
+    if (!bitmap.Ok()) return;

   
   

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

   
   

-  GdkBitmap *mask = NULL;
-  if (icon.GetMask()) mask = icon.GetMask()->GetBitmap();
+    int w = bitmap.GetWidth();
+    int h = bitmap.GetHeight();

     
     

-  if (useMask && mask) 
-  {
-    gdk_gc_set_clip_mask( m_penGC, mask );
-    gdk_gc_set_clip_origin( m_penGC, xx, yy );
-  };
+    int ww = XLOG2DEVREL(w);
+    int hh = YLOG2DEVREL(h);
+    
+    wxBitmap use_bitmap;
+    
+    if ((w != ww) || (h != hh))
+    {
+        wxImage image( bitmap );
+       image = image.Scale( ww, hh );
+       
+       use_bitmap = image.ConvertToBitmap();
+    }
+    else
+    {
+        use_bitmap = bitmap;
+    }
+    
+    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 );
+    }

   
   

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

   
   

-  if (useMask && mask) 
-  {
-    gdk_gc_set_clip_mask( m_penGC, NULL );
-    gdk_gc_set_clip_origin( m_penGC, 0, 0 );
-  };
-};
+    if (useMask && mask) 
+    {
+        gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
+        gdk_gc_set_clip_origin( m_penGC, 0, 0 );
+    }
+    
+    CalcBoundingBox( x, y );
+    CalcBoundingBox( x + w, y + h );
+}

 
 

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

 {
 {

-  if (!Ok()) return FALSE;
+    wxCHECK_MSG( Ok(), FALSE, "invalid window dc" );
+    
+    CalcBoundingBox( xdest, ydest );
+    CalcBoundingBox( xdest + width, ydest + height );
+    
+    int old_logical_func = m_logicalFunction;
+    SetLogicalFunction( logical_func );
+    
+    wxClientDC *csrc = (wxClientDC*)source;
+  
+    if (csrc->m_isMemDC)
+    {
+        wxMemoryDC* srcDC = (wxMemoryDC*)source;
+        GdkPixmap* pmap = srcDC->m_selected.GetPixmap();
+        if (pmap)
+        {
+            long xx = XLOG2DEV(xdest);
+            long yy = YLOG2DEV(ydest);
+    
+            GdkBitmap *mask = (GdkBitmap *) NULL;
+            if (srcDC->m_selected.GetMask()) mask = srcDC->m_selected.GetMask()->GetBitmap();
+    
+            if (useMask && mask) 
+            {
+                gdk_gc_set_clip_mask( m_penGC, mask );
+                gdk_gc_set_clip_origin( m_penGC, xx, yy );
+            }
+           
+            gdk_draw_pixmap( m_window, m_penGC, pmap,
+                             source->DeviceToLogicalX(xsrc), 
+                            source->DeviceToLogicalY(ysrc),
+                             xx, 
+                            yy,
+                             source->DeviceToLogicalXRel(width), 
+                            source->DeviceToLogicalYRel(height) );
+         
+            if (useMask && mask) 
+            {
+                gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
+                gdk_gc_set_clip_origin( m_penGC, 0, 0 );
+            }
+      
+            SetLogicalFunction( old_logical_func );
+            return TRUE;
+        }
+       
+        GdkBitmap* bmap = srcDC->m_selected.GetBitmap();
+        if (bmap)
+        {
+            long xx = XLOG2DEV(xdest);
+            long yy = YLOG2DEV(ydest);
+    
+            GdkBitmap *mask = (GdkBitmap *) NULL;
+            if (srcDC->m_selected.GetMask()) mask = srcDC->m_selected.GetMask()->GetBitmap();
+    
+            if (useMask && mask) 
+            {
+                gdk_gc_set_clip_mask( m_penGC, mask );
+                gdk_gc_set_clip_origin( m_penGC, xx, yy );
+            }

   
   

-  wxClientDC *csrc = (wxClientDC*)source;
+            gdk_draw_bitmap( m_window, m_textGC, bmap,
+                             source->DeviceToLogicalX(xsrc), 
+                            source->DeviceToLogicalY(ysrc),
+                             xx, 
+                            yy,
+                             source->DeviceToLogicalXRel(width), 
+                            source->DeviceToLogicalYRel(height) );
+         
+            if (useMask && mask) 
+            {
+                gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
+                gdk_gc_set_clip_origin( m_penGC, 0, 0 );
+            }
+      
+            SetLogicalFunction( old_logical_func );
+            return TRUE;
+        }
+    }

 
 

-  gdk_window_copy_area ( m_window, m_penGC,
-    XLOG2DEV(xdest), YLOG2DEV(ydest),
-    csrc->GetWindow(),
-    source->DeviceToLogicalX(xsrc), source->DeviceToLogicalY(ysrc),
-    source->DeviceToLogicalXRel(width), source->DeviceToLogicalYRel(height) );
+    gdk_window_copy_area ( m_window, m_penGC,
+                           XLOG2DEV(xdest), YLOG2DEV(ydest),
+                           csrc->GetWindow(),
+                           source->DeviceToLogicalX(xsrc), 
+                          source->DeviceToLogicalY(ysrc),
+                           source->DeviceToLogicalXRel(width), 
+                          source->DeviceToLogicalYRel(height) );

 
 

-/*    
-  gdk_window_copy_area ( m_window, m_penGC,
-    XLOG2DEV(xdest), YLOG2DEV(ydest),
-    csrc->GetWindow(),
-    xsrc, ysrc,
-    width, height );
-*/
-    
-  return TRUE;
-};
+    SetLogicalFunction( old_logical_func );
+    return TRUE;
+}

 
 

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

 {
 {

-  if (!Ok()) return;
-  
-  GdkFont *font = m_font.GetInternalFont( m_scaleY );
-  gdk_draw_string( m_window, font, m_textGC, 
-    XLOG2DEV(x), 
-    YLOG2DEV(y) + font->ascent, text );
-};
+    wxCHECK_RET( Ok(), "invalid window dc" );
+
+    GdkFont *font = m_font.GetInternalFont( m_scaleY );
+
+    x = XLOG2DEV(x);
+    y = YLOG2DEV(y);
+
+    // CMB 21/5/98: draw text background if mode is wxSOLID
+    if (m_backgroundMode == wxSOLID)
+    {
+        long width = gdk_string_width( font, text );
+        long height = font->ascent + font->descent;
+        gdk_gc_set_foreground( m_textGC, m_textBackgroundColour.GetColor() );
+        gdk_draw_rectangle( m_window, m_textGC, TRUE, x, y, width, height );
+        gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+    }
+    gdk_draw_string( m_window, font, m_textGC, x, y + font->ascent, text );
+
+    // 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())
+    {
+        long width = gdk_string_width( font, text );
+        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);
+    }
+    
+    long w, h;
+    GetTextExtent (text, &w, &h);
+    CalcBoundingBox (x + w, y + h);
+    CalcBoundingBox (x, y);
+}

 
 

-bool wxPaintDC::CanGetTextExtent(void) const
+bool wxWindowDC::CanGetTextExtent() const

 {
 {

-  return TRUE;
-};
+    return TRUE;
+}

 
 

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

 {
 {

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

   
   

-  GdkFont *font = m_font.GetInternalFont( m_scaleY );
-  if (width) (*width) = gdk_string_width( font, string );
-  if (height) (*height) = font->ascent + font->descent;
-};
+    wxFont fontToUse = m_font;
+    if (theFont) fontToUse = *theFont;
+  
+    GdkFont *font = fontToUse.GetInternalFont( m_scaleY );
+    if (width) (*width) = long(gdk_string_width( font, string ) / m_scaleX);
+    if (height) (*height) = long((font->ascent + font->descent) / m_scaleY);
+    if (descent) (*descent) = long(font->descent / m_scaleY);
+    if (externalLeading) (*externalLeading) = 0;  // ??
+}

 
 

-long wxPaintDC::GetCharWidth(void)
+long wxWindowDC::GetCharWidth()

 {
 {

-  if (!Ok()) return 0;
+    wxCHECK_MSG( Ok(), 0, "invalid window dc" );

   
   

-  GdkFont *font = m_font.GetInternalFont( m_scaleY );
-  return gdk_string_width( font, "H" );
-};
+    GdkFont *font = m_font.GetInternalFont( m_scaleY );
+    return long(gdk_string_width( font, "H" ) / m_scaleX);
+}

 
 

-long wxPaintDC::GetCharHeight(void)
+long wxWindowDC::GetCharHeight()

 {
 {

-  if (!Ok()) return 0;
+    wxCHECK_MSG( Ok(), 0, "invalid window dc" );

   
   

-  GdkFont *font = m_font.GetInternalFont( m_scaleY );
-  return font->ascent + font->descent;
-};
+    GdkFont *font = m_font.GetInternalFont( m_scaleY );
+    return long((font->ascent + font->descent) / m_scaleY);
+}

 
 

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

 {
 {

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

   
   

-  DestroyClippingRegion();
-  gdk_window_clear( m_window );
-};
+    if (!m_isMemDC)
+    {
+        gdk_window_clear( m_window );
+    }
+    else
+    {
+        int width,height;
+        GetSize( &width, &height );
+        gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
+    }
+}

 
 

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

 {
 {

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

   
   

-  m_font = font;
-};
+    m_font = font;
+}

 
 

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

 {
 {

-  if (!Ok()) return;
+    wxCHECK_RET( Ok(), "invalid window dc" );
+  
+    if (m_pen == pen) return;
+  
+    m_pen = pen;
+  
+    if (!m_pen.Ok()) return;
+  
+    gint width = m_pen.GetWidth();
+    // CMB: if width is non-zero scale it with the dc
+    if (width <= 0)
+    {
+        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;
+        width = (int)w;
+    }
+  
+    GdkLineStyle lineStyle = GDK_LINE_SOLID;
+    switch (m_pen.GetStyle())
+    {
+        case wxSOLID:      { lineStyle = GDK_LINE_SOLID;       break; }
+        case wxDOT:        { lineStyle = GDK_LINE_ON_OFF_DASH; break; }
+        case wxLONG_DASH:  { lineStyle = GDK_LINE_ON_OFF_DASH; break; }
+        case wxSHORT_DASH: { lineStyle = GDK_LINE_ON_OFF_DASH; break; }
+        case wxDOT_DASH:   { lineStyle = GDK_LINE_DOUBLE_DASH; break; }
+    }
+  
+    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; }
+    }
+  
+    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; }
+    }
+  
+    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() );
+}

 
 

-  if (m_pen == pen) return;
+void wxWindowDC::SetBrush( const wxBrush &brush )
+{
+    wxCHECK_RET( Ok(), "invalid window dc" );

   
   

-  m_pen = pen;
+    if (m_brush == brush) return;

   
   

-  if (!m_pen.Ok()) return;
+    m_brush = brush;

   
   

-  gint width = m_pen.GetWidth();
+    if (!m_brush.Ok()) return;

   
   

-  GdkLineStyle lineStyle = GDK_LINE_SOLID;
-  switch (m_pen.GetStyle())
-  {
-    case wxSOLID:      { lineStyle = GDK_LINE_SOLID;       break; };
-    case wxDOT:        { lineStyle = GDK_LINE_ON_OFF_DASH; break; };
-    case wxLONG_DASH:  { lineStyle = GDK_LINE_ON_OFF_DASH; break; };
-    case wxSHORT_DASH: { lineStyle = GDK_LINE_ON_OFF_DASH; break; };
-    case wxDOT_DASH:   { lineStyle = GDK_LINE_DOUBLE_DASH; break; };
-  };
-  
-  GdkCapStyle capStyle = GDK_CAP_ROUND;
-  switch (m_pen.GetCap())
-  {
-    case wxCAP_ROUND:      { capStyle = GDK_CAP_ROUND;      break; };
-    case wxCAP_PROJECTING: { capStyle = GDK_CAP_PROJECTING; break; };
-    case wxCAP_BUTT:       { capStyle = GDK_CAP_BUTT;       break; };
-  };
+    m_brush.GetColour().CalcPixel( m_cmap );
+    gdk_gc_set_foreground( m_brushGC, m_brush.GetColour().GetColor() );

   
   

-  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; };
-  };
+    GdkFill fillStyle = GDK_SOLID;
+    switch (m_brush.GetStyle())
+    {
+      case wxSOLID:
+      case wxTRANSPARENT:
+         break;
+      default:
+         fillStyle = GDK_STIPPLED;
+    }

   
   

-  gdk_gc_set_line_attributes( m_penGC, width, lineStyle, capStyle, joinStyle );
+    gdk_gc_set_fill( m_brushGC, fillStyle );
+  
+    if (m_brush.GetStyle() == wxSTIPPLE)
+    {
+        gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() );
+    }

   
   

-  m_pen.GetColour().CalcPixel( m_cmap );
-  gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() );
-};
+    if (IS_HATCH(m_brush.GetStyle()))
+    {
+        int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH;
+        gdk_gc_set_stipple( m_brushGC, hatches[num] );
+    }
+}

 
 

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

 {
 {

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

   
   

-  if (m_brush == brush) return;
+    if (m_backgroundBrush == brush) return;

   
   

-  m_brush = brush;
+    m_backgroundBrush = brush;

   
   

-  if (!m_brush.Ok()) return;
+    if (!m_backgroundBrush.Ok()) return;

   
   

-  m_brush.GetColour().CalcPixel( m_cmap );
-  gdk_gc_set_foreground( m_brushGC, m_brush.GetColour().GetColor() );
+    m_backgroundBrush.GetColour().CalcPixel( m_cmap );
+    gdk_gc_set_background( m_brushGC, m_backgroundBrush.GetColour().GetColor() );
+    gdk_gc_set_background( m_penGC, m_backgroundBrush.GetColour().GetColor() );
+    gdk_gc_set_background( m_bgGC, m_backgroundBrush.GetColour().GetColor() );
+    gdk_gc_set_foreground( m_bgGC, m_backgroundBrush.GetColour().GetColor() );

   
   

-  GdkFill fillStyle = GDK_SOLID;
-  switch (m_brush.GetStyle())
-  {
-    case wxSOLID:
-    case wxTRANSPARENT:
-      break;
-    default:
-      fillStyle = GDK_STIPPLED;
-  };
+    GdkFill fillStyle = GDK_SOLID;
+    switch (m_backgroundBrush.GetStyle())
+    {
+      case wxSOLID:
+      case wxTRANSPARENT:
+        break;
+      default:
+        fillStyle = GDK_STIPPLED;
+    }

  
  

-  gdk_gc_set_fill( m_brushGC, fillStyle );
+    gdk_gc_set_fill( m_bgGC, fillStyle );

   
   

-  if (m_brush.GetStyle() == wxSTIPPLE)
-  {
-    gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() );
-  };
+    if (m_backgroundBrush.GetStyle() == wxSTIPPLE)
+    {
+        gdk_gc_set_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() );
+    }

   
   

-  if (IS_HATCH(m_brush.GetStyle()))
-  {
-    int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH;
-    gdk_gc_set_stipple( m_brushGC, hatches[num] );
-  };
-};
+    if (IS_HATCH(m_backgroundBrush.GetStyle()))
+    {
+        int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH;
+        gdk_gc_set_stipple( m_bgGC, hatches[num] );
+     }
+}

 
 

-void wxPaintDC::SetLogicalFunction( int function )
+void wxWindowDC::SetLogicalFunction( int function )

 {
 {

-  if (m_logicalFunction == function) return;
-  GdkFunction mode = GDK_COPY;
-  switch (function)
-  {
-    case wxXOR:    mode = GDK_INVERT; break;
-    case wxINVERT: mode = GDK_INVERT; break;
-    default:       break;
-  };
-  m_logicalFunction = function;
-  gdk_gc_set_function( m_penGC, mode );
-  gdk_gc_set_function( m_brushGC, mode );
-};
+    wxCHECK_RET( Ok(), "invalid window dc" );
+  
+    if (m_logicalFunction == function) return;
+    
+    GdkFunction mode = GDK_COPY;
+    switch (function)
+    {
+        case wxXOR:    mode = GDK_INVERT; break;
+        case wxINVERT: mode = GDK_INVERT; break;
+        default:       break;
+    }
+    
+    m_logicalFunction = function;
+    gdk_gc_set_function( m_penGC, mode );
+    gdk_gc_set_function( m_brushGC, mode );
+    gdk_gc_set_function( m_textGC, mode );
+}

 
 

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

 {
 {

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

   
   

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

   
   

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

   
   

-  m_textForegroundColour.CalcPixel( m_cmap );
-  gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
-};
+    m_textForegroundColour.CalcPixel( m_cmap );
+    gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+}

 
 

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

 {
 {

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

   
   

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

   
   

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

   
   

-  m_textBackgroundColour.CalcPixel( m_cmap );
-  gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
-};
+    m_textBackgroundColour.CalcPixel( m_cmap );
+    gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
+}

 
 

-void wxPaintDC::SetBackgroundMode( int WXUNUSED(mode) )
+void wxWindowDC::SetBackgroundMode( int mode )

 {
 {

-};
+    wxCHECK_RET( Ok(), "invalid window dc" );
+  
+    m_backgroundMode = mode;
+
+    // CMB 21/7/98: fill style of cross-hatch brushes is affected by
+    // transparent/solid background mode
+    
+    if (m_brush.GetStyle() != wxSOLID && m_brush.GetStyle() != wxTRANSPARENT)
+    {
+        gdk_gc_set_fill( m_brushGC,
+          (m_backgroundMode == wxTRANSPARENT) ? GDK_STIPPLED : GDK_OPAQUE_STIPPLED);
+    }
+}

 
 

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

 {
 {

-};
+    wxFAIL_MSG( "wxWindowDC::SetPalette not implemented" );
+}

 
 

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

 {
 {

-  wxDC::SetClippingRegion( x, y, width, height );
+    wxCHECK_RET( Ok(), "invalid window dc" );

   
   

-  GdkRectangle rect;
-  rect.x = XLOG2DEV(x);
-  rect.y = YLOG2DEV(y);
-  rect.width = XLOG2DEV(x+width);
-  rect.height = YLOG2DEV(y+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 );
+    wxDC::SetClippingRegion( x, y, width, height );

   
   

-};
+    GdkRectangle rect;
+    rect.x = XLOG2DEV(x);
+    rect.y = YLOG2DEV(y);
+    rect.width = XLOG2DEVREL(width);
+    rect.height = YLOG2DEVREL(height);
+    gdk_gc_set_clip_rectangle( m_penGC, &rect );
+    gdk_gc_set_clip_rectangle( m_brushGC, &rect );
+    gdk_gc_set_clip_rectangle( m_textGC, &rect );
+    gdk_gc_set_clip_rectangle( m_bgGC, &rect );
+}

 
 

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

 {
 {

-  wxDC::DestroyClippingRegion();
+    wxCHECK_RET( Ok(), "invalid window dc" );

   
   

-  gdk_gc_set_clip_rectangle( m_penGC, NULL );
-  gdk_gc_set_clip_rectangle( m_brushGC, NULL );
-  gdk_gc_set_clip_rectangle( m_textGC, NULL );
-  gdk_gc_set_clip_rectangle( m_bgGC, NULL );
-};
+    if (region.Empty())
+    {
+        DestroyClippingRegion();
+        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 wxPaintDC::SetUpDC(void)
+void wxWindowDC::DestroyClippingRegion()

 {
 {

-  m_ok = TRUE;
-  m_logicalFunction = wxCOPY;
-  m_penGC = gdk_gc_new( m_window );
-  m_brushGC = gdk_gc_new( m_window );
-  m_textGC = gdk_gc_new( m_window );
-  m_bgGC = gdk_gc_new( m_window );
-  SetTextForeground( m_textForegroundColour );
-  SetTextBackground( m_textBackgroundColour );
-  SetPen( m_pen );
-  SetFont( m_font );
-  SetBrush( m_brush );
+    wxCHECK_RET( Ok(), "invalid window dc" );

   
   

-  gdk_gc_set_background( m_penGC, wxWHITE->GetColor() );
+    wxDC::DestroyClippingRegion();

   
   

-  if (!hatch_bitmap) 
-  {
-    hatch_bitmap    = hatches;
-    hatch_bitmap[0] = gdk_bitmap_create_from_data( NULL, bdiag_bits, bdiag_width, bdiag_height );
-    hatch_bitmap[1] = gdk_bitmap_create_from_data( NULL, cdiag_bits, cdiag_width, cdiag_height );
-    hatch_bitmap[2] = gdk_bitmap_create_from_data( NULL, fdiag_bits, fdiag_width, fdiag_height );
-    hatch_bitmap[3] = gdk_bitmap_create_from_data( NULL, cross_bits, cross_width, cross_height );
-    hatch_bitmap[4] = gdk_bitmap_create_from_data( NULL, horiz_bits, horiz_width, horiz_height );
-    hatch_bitmap[5] = gdk_bitmap_create_from_data( NULL, verti_bits, verti_width, verti_height );
-  };
-};
+    gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL );
+    gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL );
+    gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL );
+    gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL );
+}
+
+void wxWindowDC::SetUpDC()
+{
+    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 );
+  
+    if (!hatch_bitmap) 
+    {
+        hatch_bitmap    = hatches;
+        hatch_bitmap[0] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, bdiag_bits, bdiag_width, bdiag_height );
+        hatch_bitmap[1] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, cdiag_bits, cdiag_width, cdiag_height );
+        hatch_bitmap[2] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, fdiag_bits, fdiag_width, fdiag_height );
+        hatch_bitmap[3] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, cross_bits, cross_width, cross_height );
+        hatch_bitmap[4] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, horiz_bits, horiz_width, horiz_height );
+        hatch_bitmap[5] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, verti_bits, verti_width, verti_height );
+    }
+}
+
+void 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;
+}

 
 

-GdkWindow *wxPaintDC::GetWindow(void)
+GdkWindow *wxWindowDC::GetWindow()

 {
 {

-  return m_window;
-};
+    return m_window;
+}

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

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

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


@@ -662,7 +1110,7 @@ static Stack    wx_spline_stack[SPLINE_STACK_DEPTH];
 static Stack   *wx_stack_top;
 static int      wx_stack_count;
 
 static Stack   *wx_stack_top;
 static int      wx_stack_count;
 

-void wx_clear_stack(void)
+void wx_clear_stack()

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


@@ -722,8 +1170,10 @@ static void wx_spline_draw_point_array(wxDC *dc)
   }
 }
 
   }
 }
 

-void wxPaintDC::DrawOpenSpline( wxList *points )
+void wxWindowDC::DrawSpline( wxList *points )

 {
 {

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

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


@@ -770,4 +1220,38 @@ void wxPaintDC::DrawOpenSpline( wxList *points )
     wx_spline_add_point( x2, y2 );
 
     wx_spline_draw_point_array( this );
     wx_spline_add_point( x2, y2 );
 
     wx_spline_draw_point_array( this );

-};
+}
+
+
+//-----------------------------------------------------------------------------
+// wxPaintDC
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxPaintDC,wxWindowDC)
+
+wxPaintDC::wxPaintDC()
+  : wxWindowDC()
+{
+}
+
+wxPaintDC::wxPaintDC( wxWindow *win )
+  : wxWindowDC( win )
+{
+}
+
+//-----------------------------------------------------------------------------
+// wxClientDC
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxClientDC,wxWindowDC)
+
+wxClientDC::wxClientDC()
+  : wxWindowDC()
+{
+}
+
+wxClientDC::wxClientDC( wxWindow *win )
+  : wxWindowDC( win )
+{
+}
+