Support using GetTextExtent() with empty string to get descent in wxOSX.

[wxWidgets.git] / include / wx / quantize.h

diff --git a/include/wx/quantize.h b/include/wx/quantize.h
index ab8814b689f1701fb912450283b94e6ccf6d3a99..2c01c1d72a10954b2d0aea192a334c550b03e583 100644 (file)
--- a/include/wx/quantize.h
+++ b/include/wx/quantize.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        quantize.h
+// Name:        wx/quantize.h
 // Purpose:     wxQuantizer class
 // Author:      Julian Smart
 // Modified by:
@@ -9,6 +9,11 @@
 // Licence:
 /////////////////////////////////////////////////////////////////////////////
 
+#ifndef _WX_QUANTIZE_H_
+#define _WX_QUANTIZE_H_
+
+#include "wx/object.h"
+
 /*
  * From jquant2.c
  *
@@ -17,14 +22,8 @@
  * For conditions of distribution and use, see the accompanying README file.
  */
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma interface "quantize.h"
-#endif
-
-#ifndef _WX_QUANTIZE_H_
-#define _WX_QUANTIZE_H_
-
-class WXDLLEXPORT wxImage;
+class WXDLLIMPEXP_FWD_CORE wxImage;
+class WXDLLIMPEXP_FWD_CORE wxPalette;
 
 /*
  * wxQuantize
@@ -35,7 +34,7 @@ class WXDLLEXPORT wxImage;
 #define wxQUANTIZE_RETURN_8BIT_DATA             0x02
 #define wxQUANTIZE_FILL_DESTINATION_IMAGE       0x04
 
-class WXDLLEXPORT wxQuantize: public wxObject
+class WXDLLIMPEXP_CORE wxQuantize: public wxObject
 {
 public:
 DECLARE_DYNAMIC_CLASS(wxQuantize)
@@ -43,7 +42,7 @@ DECLARE_DYNAMIC_CLASS(wxQuantize)
 //// Constructor
 
     wxQuantize() {}
-    ~wxQuantize() {}
+    virtual ~wxQuantize() {}
 
 //// Operations
 
@@ -75,4 +74,3 @@ DECLARE_DYNAMIC_CLASS(wxQuantize)
 
 #endif
     // _WX_QUANTIZE_H_
-