define WINVER as 0x0400 for VC++ 6 because its headers give a warning if WINVER ...

[wxWidgets.git] / include / wx / msw / gdiimage.h

diff --git a/include/wx/msw/gdiimage.h b/include/wx/msw/gdiimage.h
index 0dca4c79312d094d2a0edf194e8cac008cedc35a..534c9fc99e758cb7152091c351ba7dc7f0101d54 100644 (file)
--- a/include/wx/msw/gdiimage.h
+++ b/include/wx/msw/gdiimage.h
@@ -7,7 +7,7 @@
 // Created:     20.11.99
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // NB: this is a private header, it is not intended to be directly included by
@@ -16,7 +16,7 @@
 #ifndef _WX_MSW_GDIIMAGE_H_
 #define _WX_MSW_GDIIMAGE_H_
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma interface "gdiimage.h"
 #endif
 
@@ -28,6 +28,8 @@ class WXDLLEXPORT wxGDIImageRefData;
 class WXDLLEXPORT wxGDIImageHandler;
 class WXDLLEXPORT wxGDIImage;
 
+WX_DECLARE_EXPORTED_LIST(wxGDIImageHandler, wxGDIImageHandlerList);
+
 // ----------------------------------------------------------------------------
 // wxGDIImageRefData: common data fields for all derived classes
 // ----------------------------------------------------------------------------
@@ -40,10 +42,16 @@ public:
         m_width = m_height = m_depth = 0;
 
         m_handle = 0;
+    }
+
+    wxGDIImageRefData(const wxGDIImageRefData& data)
+    {
+        m_width = data.m_width;
+        m_height = data.m_height;
+        m_depth = data.m_depth;
 
-#if WXWIN_COMPATIBILITY_2
-        m_ok = FALSE;
-#endif // WXWIN_COMPATIBILITY_2
+        // can't copy handles like this, derived class copy ctor must do it!
+        m_handle = NULL;
     }
 
     // accessors
@@ -70,14 +78,6 @@ public:
         WXHICON   m_hIcon;
         WXHCURSOR m_hCursor;
     };
-
-    // this filed is redundant and using it is error prone but keep it for
-    // backwards compatibility
-#if WXWIN_COMPATIBILITY_2
-    void SetOk() { m_ok = m_handle != 0; }
-
-    bool          m_ok;
-#endif // WXWIN_COMPATIBILITY_2
 };
 
 // ----------------------------------------------------------------------------
@@ -135,7 +135,7 @@ class WXDLLEXPORT wxGDIImage : public wxGDIObject
 {
 public:
     // handlers list interface
-    static wxList& GetHandlers() { return ms_handlers; }
+    static wxGDIImageHandlerList& GetHandlers() { return ms_handlers; }
 
     static void AddHandler(wxGDIImageHandler *handler);
     static void InsertHandler(wxGDIImageHandler *handler);
@@ -152,14 +152,11 @@ public:
     wxGDIImageRefData *GetGDIImageData() const
         { return (wxGDIImageRefData *)m_refData; }
 
-    // create data if we don't have it yet
-    void EnsureHasData() { if ( IsNull() ) m_refData = CreateData(); }
-
     // accessors
     WXHANDLE GetHandle() const
         { return IsNull() ? 0 : GetGDIImageData()->m_handle; }
     void SetHandle(WXHANDLE handle)
-        { EnsureHasData(); GetGDIImageData()->m_handle = handle; }
+        { AllocExclusive(); GetGDIImageData()->m_handle = handle; }
 
     bool Ok() const { return GetHandle() != 0; }
 
@@ -167,26 +164,29 @@ public:
     int GetHeight() const { return IsNull() ? 0 : GetGDIImageData()->m_height; }
     int GetDepth() const { return IsNull() ? 0 : GetGDIImageData()->m_depth; }
 
-    void SetWidth(int w) { EnsureHasData(); GetGDIImageData()->m_width = w; }
-    void SetHeight(int h) { EnsureHasData(); GetGDIImageData()->m_height = h; }
-    void SetDepth(int d) { EnsureHasData(); GetGDIImageData()->m_depth = d; }
+    void SetWidth(int w) { AllocExclusive(); GetGDIImageData()->m_width = w; }
+    void SetHeight(int h) { AllocExclusive(); GetGDIImageData()->m_height = h; }
+    void SetDepth(int d) { AllocExclusive(); GetGDIImageData()->m_depth = d; }
 
     void SetSize(int w, int h)
     {
-        EnsureHasData();
+        AllocExclusive();
         GetGDIImageData()->SetSize(w, h);
     }
     void SetSize(const wxSize& size) { SetSize(size.x, size.y); }
 
     // forward some of base class virtuals to wxGDIImageRefData
-    bool FreeResource(bool force = FALSE);
-    virtual WXHANDLE GetResourceHandle();
+    bool FreeResource(bool force = false);
+    virtual WXHANDLE GetResourceHandle() const;
 
 protected:
     // create the data for the derived class here
     virtual wxGDIImageRefData *CreateData() const = 0;
 
-    static wxList ms_handlers;
+    // implement the wxObject method in terms of our, more specific, one
+    virtual wxObjectRefData *CreateRefData() const { return CreateData(); }
+
+    static wxGDIImageHandlerList ms_handlers;
 };
 
 #endif // _WX_MSW_GDIIMAGE_H_