From: Robert Roebling <robert@roebling.de>
Date: Sun, 13 Feb 2005 14:36:15 +0000 (+0000)
Subject:   Small correction to erase sample, added PrepareDC()
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/ca37cfde6a65e2895f7494dcdbce96cdb8b56eea

  Small correction to erase sample, added PrepareDC()
   to erase background handler.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31995 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/samples/erase/erase.cpp b/samples/erase/erase.cpp
index db1a3632cc..932c2bacce 100644
--- a/samples/erase/erase.cpp
+++ b/samples/erase/erase.cpp
@@ -198,6 +198,8 @@ MyCanvas::MyCanvas( wxFrame *parent )
     m_bitmap = wxBitmap( wxICON(mondrian) );
 
     new wxStaticBitmap( this, wxID_ANY, m_bitmap, wxPoint(80,20) );
+    
+    SetFocusIgnoringChildren();
 }
 
 void MyCanvas::OnChar( wxKeyEvent &event )
@@ -226,7 +228,7 @@ void MyCanvas::OnChar( wxKeyEvent &event )
 void MyCanvas::DoPaint(wxDC& dc)
 {
     dc.SetBrush( *wxBLACK_BRUSH );
-    dc.DrawRectangle( 0,0,200,50 );
+    dc.DrawRectangle( 10,10,200,50 );
 
     dc.DrawBitmap( m_bitmap, 10, 20, true );
 
@@ -317,21 +319,23 @@ void MyCanvas::OnEraseBackground( wxEraseEvent& event )
     wxDC& dc = *event.GetDC();
     dc.SetPen(*wxGREEN_PEN);
 
+    PrepareDC( dc );
+    
     // clear any junk currently displayed
     dc.Clear();
 
     const wxSize size = GetClientSize();
-    for ( int x = 0; x < size.x; x += 10 )
+    for ( int x = 0; x < size.x; x += 15 )
     {
         dc.DrawLine(x, 0, x, size.y);
     }
 
-    for ( int y = 0; y < size.y; y += 10 )
+    for ( int y = 0; y < size.y; y += 15 )
     {
         dc.DrawLine(0, y, size.x, y);
     }
 
     dc.SetTextForeground(*wxRED);
-    dc.DrawText(_T("This text is drawn from OnEraseBackground"), 60, 60);
+    dc.DrawText(_T("This text is drawn from OnEraseBackground"), 60, 160);
 }