X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f566b4fe822694a0b33e490edb730ede39d731ad..98672b4b9cb156c624a66efd5b3c1935a1d37de9:/samples/erase/erase.cpp

diff --git a/samples/erase/erase.cpp b/samples/erase/erase.cpp
index eeddaad927..9f159bbebc 100644
--- a/samples/erase/erase.cpp
+++ b/samples/erase/erase.cpp
@@ -171,7 +171,7 @@ END_EVENT_TABLE()
 
 MyCanvas::MyCanvas( MyFrame *parent )
  : wxScrolledWindow( parent, -1, wxDefaultPosition, wxDefaultSize, 
-                    wxScrolledWindowStyle|wxNO_FULL_REPAINT_ON_RESIZE )
+                    wxScrolledWindowStyle|wxNO_FULL_REPAINT_ON_RESIZE|wxSUNKEN_BORDER )
 {
     SetScrollbars( 10, 10, 40, 100, 0, 0 );
 }
@@ -181,6 +181,30 @@ void MyCanvas::OnPaint( wxPaintEvent &event )
     wxPaintDC dc(this);
     PrepareDC( dc );
     
+#if 0  
+    wxRegionIterator upd( GetUpdateRegion() );
+    while (upd)
+    {
+        wxLogDebug( "Paint: %d %d %d %d", upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
+        upd ++;
+    }
+#endif
+
+#if 0
+    wxSize size = GetSize();
+    wxSize client_size = GetClientSize();
+    wxLogDebug( "size %d %d client_size %d %d", size.x, size.y, client_size.x, client_size.y );
+#endif
+
+    int i;
+    dc.SetPen( *wxWHITE_PEN );
+    for (i = 0; i < 20; i += 2)
+       dc.DrawLine( i,i, i+100,i );
+    
+    dc.SetPen( *wxWHITE_PEN );
+    for (i = 200; i < 220; i += 2)
+       dc.DrawLine( i-200,i, i-100,i );
+    
     wxRegion region( 110, 110, 80, 80 );
     wxRegion hole( 130, 130, 40, 1 );
     region.Intersect( hole );
@@ -188,6 +212,18 @@ void MyCanvas::OnPaint( wxPaintEvent &event )
     
     dc.SetBrush( *wxRED_BRUSH );
     dc.DrawRectangle( 100, 100, 200, 200 );
+    
+    dc.DestroyClippingRegion();
+
+    dc.SetPen( *wxTRANSPARENT_PEN );
+    
+    wxRegion strip( 110, 200, 30, 1 );
+    wxRegionIterator it( strip );
+    while (it)
+    {
+        dc.DrawRectangle( it.GetX(), it.GetY(), it.GetWidth(), it.GetHeight() );
+        it ++;
+    }
 }
 
 void MyCanvas::OnEraseBackground( wxEraseEvent &event )