X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2bda0e173844e8e0f8acf4e8ad8b5c26e5c6fe5d..3d7e30a4186cc3379c3b21040712181a3c6d0b3b:/src/msw/dcmemory.cpp

diff --git a/src/msw/dcmemory.cpp b/src/msw/dcmemory.cpp
index 1ff28ae283..51cefba945 100644
--- a/src/msw/dcmemory.cpp
+++ b/src/msw/dcmemory.cpp
@@ -10,7 +10,6 @@
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
-#pragma implementation
 #pragma implementation "dcmemory.h"
 #endif
 
@@ -41,6 +40,7 @@ wxMemoryDC::wxMemoryDC(void)
 {
   m_hDC = (WXHDC) ::CreateCompatibleDC(NULL);
   m_ok = (m_hDC != 0);
+  m_bOwnsDC = TRUE;
 
   SetBrush(*wxWHITE_BRUSH);
   SetPen(*wxBLACK_PEN);
@@ -83,17 +83,25 @@ void wxMemoryDC::SelectObject(const wxBitmap& bitmap)
     wxFatalError("Error in wxMemoryDC::SelectObject\nBitmap is selected in another wxMemoryDC.\nDelete the first wxMemoryDC or use SelectObject(NULL)");
     return;
   }
-  
-  m_selectedBitmap = bitmap;
+
+  // Check if the bitmap has the correct depth for this device context
+  if (bitmap.Ok() && (bitmap.GetDepth() != GetDepth()))
+  {
+      // Make a new bitmap that has the correct depth.
+      wxBitmap newBitmap = bitmap.GetBitmapForDC(* this);
+
+      m_selectedBitmap = newBitmap ;
+  }
+  else
+  {
+      m_selectedBitmap = bitmap;
+  }
 
   if (!m_selectedBitmap.Ok())
     return;
 
   m_selectedBitmap.SetSelectedInto(this);
-#if DEBUG > 1
-  wxDebugMsg("wxMemoryDC::SelectObject: Selecting HBITMAP %X\n", m_selectedBitmap.GetHBITMAP());
-#endif
-  HBITMAP bm = ::SelectObject((HDC) m_hDC, (HBITMAP) m_selectedBitmap.GetHBITMAP());
+  HBITMAP bm = (HBITMAP) ::SelectObject((HDC) m_hDC, (HBITMAP) m_selectedBitmap.GetHBITMAP());
 
   if (bm == ERROR)
   {