X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0cbff1201aa47e2b73ec90a97886f18e88270ea6..f2616db56739e4962f683f59ac9e207756efe23c:/src/msw/dc.cpp

diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp
index cae9668ac8..721a1fb3c7 100644
--- a/src/msw/dc.cpp
+++ b/src/msw/dc.cpp
@@ -42,6 +42,7 @@
 
 #include "wx/sysopt.h"
 #include "wx/dcprint.h"
+#include "wx/module.h"
 
 #include <string.h>
 #include <math.h>
@@ -1704,30 +1705,25 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
             HBITMAP buffer_bmap ;
 
 #if wxUSE_DC_CACHEING
-            if (CacheEnabled())
-            {
-                // create a temp buffer bitmap and DCs to access it and the mask
-                wxDCCacheEntry* dcCacheEntry1 = FindDCInCache(NULL, source->GetHDC());
-                dc_mask = (HDC) dcCacheEntry1->m_dc;
-
-                wxDCCacheEntry* dcCacheEntry2 = FindDCInCache(dcCacheEntry1, dest->GetHDC());
-                dc_buffer = (HDC) dcCacheEntry2->m_dc;
-
-                wxDCCacheEntry* bitmapCacheEntry = FindBitmapInCache(dest->GetHDC(),
-                    width, height);
-
-                buffer_bmap = (HBITMAP) bitmapCacheEntry->m_bitmap;
-            }
-            else
-#endif
-            {
-                // create a temp buffer bitmap and DCs to access it and the mask
-                dc_mask = ::CreateCompatibleDC(GetHdcOf(*source));
-                dc_buffer = ::CreateCompatibleDC(GetHdc());
-                buffer_bmap = ::CreateCompatibleBitmap(GetHdc(), width, height);
-                ::SelectObject(dc_mask, (HBITMAP) mask->GetMaskBitmap());
-                ::SelectObject(dc_buffer, buffer_bmap);
-            }
+            // create a temp buffer bitmap and DCs to access it and the mask
+            wxDCCacheEntry* dcCacheEntry1 = FindDCInCache(NULL, source->GetHDC());
+            dc_mask = (HDC) dcCacheEntry1->m_dc;
+
+            wxDCCacheEntry* dcCacheEntry2 = FindDCInCache(dcCacheEntry1, GetHDC());
+            dc_buffer = (HDC) dcCacheEntry2->m_dc;
+
+            wxDCCacheEntry* bitmapCacheEntry = FindBitmapInCache(GetHDC(),
+                width, height);
+
+            buffer_bmap = (HBITMAP) bitmapCacheEntry->m_bitmap;
+#else // !wxUSE_DC_CACHEING
+            // create a temp buffer bitmap and DCs to access it and the mask
+            dc_mask = ::CreateCompatibleDC(GetHdcOf(*source));
+            dc_buffer = ::CreateCompatibleDC(GetHdc());
+            buffer_bmap = ::CreateCompatibleBitmap(GetHdc(), width, height);
+            ::SelectObject(dc_mask, (HBITMAP) mask->GetMaskBitmap());
+            ::SelectObject(dc_buffer, buffer_bmap);
+#endif // wxUSE_DC_CACHEING/!wxUSE_DC_CACHEING
 
             // copy dest to buffer
             if ( !::BitBlt(dc_buffer, 0, 0, (int)width, (int)height,
@@ -1776,14 +1772,13 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
             ::SelectObject(dc_mask, 0);
             ::SelectObject(dc_buffer, 0);
 
-#if wxUSE_DC_CACHEING
-            if (!CacheEnabled())
-#endif
+#if !wxUSE_DC_CACHEING
             {
                 ::DeleteDC(dc_mask);
                 ::DeleteDC(dc_buffer);
                 ::DeleteObject(buffer_bmap);
             }
+#endif
         }
     }
     else // no mask, just BitBlt() it
@@ -1986,6 +1981,19 @@ void wxDC::ClearCache()
     sm_dcCache.DeleteContents(FALSE);
 }
 
+// Clean up cache at app exit
+class wxDCModule : public wxModule
+{
+public:
+    virtual bool OnInit() { return TRUE; }
+    virtual void OnExit() { wxDC::ClearCache(); }
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxDCModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule)
+
 #endif
     // wxUSE_DC_CACHEING