#define wx_round(a) (int)((a)+.5)
+#if wxUSE_DC_CACHEING
+/*
+ * Cached blitting, maintaining a cache
+ * of bitmaps required for transparent blitting
+ * instead of constant creation/deletion
+ */
+
+class wxDCCacheEntry : public wxObject
+{
+public:
+ wxDCCacheEntry( WXHBITMAP hBitmap
+ ,int nWidth
+ ,int nHeight
+ ,int nDepth
+ );
+ wxDCCacheEntry( HPS hPS
+ ,int nDepth
+ );
+ ~wxDCCacheEntry();
+
+ WXHBITMAP m_hBitmap;
+ HPS m_hPS;
+ int m_nWidth;
+ int m_nHeight;
+ int m_nDepth;
+}; // end of CLASS wxDCCacheEntry
+#endif
+
class WXDLLEXPORT wxDC : public wxDCBase
{
DECLARE_DYNAMIC_CLASS(wxDC)
void UpdateClipBox();
+#if wxUSE_DC_CACHEING
+ static wxDCCacheEntry* FindBitmapInCache( HPS hPS
+ ,int nWidth
+ ,int nHeight
+ );
+ static wxDCCacheEntry* FindDCInCache( wxDCCacheEntry* pNotThis
+ ,HPS hPS
+ );
+
+ static void AddToBitmapCache(wxDCCacheEntry* pEntry);
+ static void AddToDCCache(wxDCCacheEntry* pEntry);
+ static void ClearCache(void);
+#endif
+
protected:
virtual void DoFloodFill( wxCoord vX
,wxCoord vY
,wxCoord vYsrc
,int nRop = wxCOPY
,bool bUseMask = FALSE
+ ,wxCoord vXsrcMask = -1
+ ,wxCoord vYsrcMask = -1
);
virtual void DoSetClippingRegionAsRegion(const wxRegion& rRegion);
WXHBRUSH m_hOldBrush;
WXHFONT m_hOldFont;
WXHPALETTE m_hOldPalette;
-};
+
+#if wxUSE_DC_CACHEING
+ static wxList m_svBitmapCache;
+ static wxList m_svDCCache;
+#endif
+}; // end of CLASS wxDC
#endif
// _WX_DC_H_