fixes

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

diff --git a/src/gtk1/dcclient.cpp b/src/gtk1/dcclient.cpp
index ca39cfbb84ef465c43e10fd48a34195b3f3f59bd..3e8025961bda075be3270c6d79391c10b3c41080 100644 (file)
--- a/src/gtk1/dcclient.cpp
+++ b/src/gtk1/dcclient.cpp
@@ -2,9 +2,8 @@
 // Name:        dcclient.cpp
 // Purpose:
 // Author:      Robert Roebling
-// Created:     01/02/97
 // RCS-ID:      $Id$
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Copyright:   (c) 1998 Robert Roebling, Markus Holzem, Chris Breeze
 // Licence:    wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
@@ -92,6 +91,7 @@ wxPaintDC::wxPaintDC(void)
   m_textGC = (GdkGC *) NULL;
   m_bgGC = (GdkGC *) NULL;
   m_cmap = (GdkColormap *) NULL;
+  m_isMemDC = FALSE;
 }
 
 wxPaintDC::wxPaintDC( wxWindow *window )
@@ -112,22 +112,25 @@ wxPaintDC::wxPaintDC( wxWindow *window )
   else
     m_cmap = gtk_widget_get_colormap( window->m_widget );
     
-  m_isDrawable = TRUE;
+  m_isMemDC = FALSE;
         
   SetUpDC();
 }
 
 wxPaintDC::~wxPaintDC(void)
 {
+  Destroy();
 }
 
 void wxPaintDC::FloodFill( long WXUNUSED(x1), long WXUNUSED(y1), 
   wxColour *WXUNUSED(col), int WXUNUSED(style) )
 {
+  wxFAIL_MSG( "wxPaintDC::FloodFill not implemented" );
 }
 
 bool wxPaintDC::GetPixel( long WXUNUSED(x1), long WXUNUSED(y1), wxColour *WXUNUSED(col) ) const
 {
+  wxFAIL_MSG( "wxPaintDC::GetPixel not implemented" );
   return FALSE;
 }
 
@@ -274,10 +277,10 @@ void wxPaintDC::DrawLines( wxList *points, long xoffset, long yoffset )
   }
 }
 
-void wxPaintDC::DrawPolygon( int n, wxPoint points[], 
-  long xoffset, long yoffset, int WXUNUSED(fillStyle) )
- {
-   if (!Ok()) return;
+void wxPaintDC::DrawPolygon( int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle) )
+{
+  if (!Ok()) return;
+  
    if (!n) return;    // Nothing to draw
    GdkPoint *gdkpoints = new GdkPoint[n+1];
    int i;
@@ -299,12 +302,11 @@ void wxPaintDC::DrawPolygon( int n, wxPoint points[],
    delete[] gdkpoints;
 }
 
-void wxPaintDC::DrawPolygon( wxList *lines, long xoffset, 
-                              long yoffset, int WXUNUSED(fillStyle))
- {
+void wxPaintDC::DrawPolygon( wxList *lines, long xoffset, long yoffset, int WXUNUSED(fillStyle))
+{
+  if (!Ok()) return;
+  
    int n = lines->Number();
- 
-   if (!Ok()) return;
    GdkPoint *gdkpoints = new GdkPoint[n];
    wxNode *node = lines->First();
    int cnt=0;
@@ -478,26 +480,25 @@ bool wxPaintDC::Blit( long xdest, long ydest, long width, long height,
 {
   if (!Ok()) return FALSE;
   
-  // CMB 20/5/98: add blitting of bitmaps
-  if (source->IsKindOf(CLASSINFO(wxMemoryDC)))
+  wxClientDC *csrc = (wxClientDC*)source;
+  
+  if (csrc->m_isMemDC)
   {
     wxMemoryDC* srcDC = (wxMemoryDC*)source;
-       GdkBitmap* bmap = srcDC->m_selected.GetBitmap();
+    GdkBitmap* bmap = srcDC->m_selected.GetBitmap();
     if (bmap)
     {
-      gdk_draw_bitmap (
-          m_window,
-          m_textGC,
-          bmap,
-          source->DeviceToLogicalX(xsrc), source->DeviceToLogicalY(ysrc),
-          XLOG2DEV(xdest), YLOG2DEV(ydest),
-          source->DeviceToLogicalXRel(width), source->DeviceToLogicalYRel(height)
-          );
+      gdk_draw_bitmap( m_window, m_textGC, bmap,
+          source->DeviceToLogicalX(xsrc), 
+         source->DeviceToLogicalY(ysrc),
+          XLOG2DEV(xdest), 
+         YLOG2DEV(ydest),
+          source->DeviceToLogicalXRel(width), 
+         source->DeviceToLogicalYRel(height) );
       return TRUE;
     }
   }
 
-  wxClientDC *csrc = (wxClientDC*)source;
   gdk_window_copy_area ( m_window, m_penGC,
     XLOG2DEV(xdest), YLOG2DEV(ydest),
     csrc->GetWindow(),
@@ -588,9 +589,7 @@ void wxPaintDC::Clear(void)
 {
   if (!Ok()) return;
   
-//  DestroyClippingRegion();
-  
-  if (m_isDrawable)
+  if (!m_isMemDC)
   {
     gdk_window_clear( m_window );
   }
@@ -829,15 +828,12 @@ void wxPaintDC::DestroyClippingRegion(void)
 
 void wxPaintDC::SetUpDC(void)
 {
+  Destroy();
   m_ok = TRUE;
   m_logicalFunction = wxCOPY;
-  if (m_penGC) gdk_gc_unref( m_penGC );
   m_penGC = gdk_gc_new( m_window );
-  if (m_brushGC) gdk_gc_unref( m_brushGC );
   m_brushGC = gdk_gc_new( m_window );
-  if (m_textGC) gdk_gc_unref( m_textGC );
   m_textGC = gdk_gc_new( m_window );
-  if (m_bgGC) gdk_gc_unref( m_bgGC );
   m_bgGC = gdk_gc_new( m_window );
   SetTextForeground( m_textForegroundColour );
   SetTextBackground( m_textBackgroundColour );
@@ -859,6 +855,18 @@ void wxPaintDC::SetUpDC(void)
   }
 }
 
+void wxPaintDC::Destroy(void)
+{
+  if (m_penGC) gdk_gc_unref( m_penGC );
+  m_penGC = (GdkGC*) NULL;
+  if (m_brushGC) gdk_gc_unref( m_brushGC );
+  m_brushGC = (GdkGC*) NULL;
+  if (m_textGC) gdk_gc_unref( m_textGC );
+  m_textGC = (GdkGC*) NULL;
+  if (m_bgGC) gdk_gc_unref( m_bgGC );
+  m_bgGC = (GdkGC*) NULL;
+}
+
 GdkWindow *wxPaintDC::GetWindow(void)
 {
   return m_window;
@@ -979,7 +987,7 @@ static void wx_spline_draw_point_array(wxDC *dc)
   }
 }
 
-void wxPaintDC::DrawOpenSpline( wxList *points )
+void wxPaintDC::DrawSpline( wxList *points )
 {
     wxPoint *p;
     double           cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;