set m_isBeingDeleted to true (only) in SendDestroyEvent(); call it as early as possib...

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

diff --git a/include/wx/palmos/gdiimage.h b/include/wx/palmos/gdiimage.h
index 367dde51267ba182e7bfe557622a6b845920fe0e..db0d112c376f5cb46e004ed9f333075c9dc73b2c 100644 (file)
--- a/include/wx/palmos/gdiimage.h
+++ b/include/wx/palmos/gdiimage.h
@@ -3,7 +3,7 @@
 // Purpose:     wxGDIImage class: base class for wxBitmap, wxIcon, wxCursor
 //              under Palm OS
 // Author:      William Osborne - minimal working wxPalmOS port
-// Modified by:
+// Modified by: Yunhui Fu
 // Created:     10/13/04
 // RCS-ID:      $Id$
 // Copyright:   (c) William Osborne
@@ -16,17 +16,13 @@
 #ifndef _WX_PALMOS_GDIIMAGE_H_
 #define _WX_PALMOS_GDIIMAGE_H_
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma interface "gdiimage.h"
-#endif
-
 #include "wx/gdiobj.h"          // base class
 #include "wx/gdicmn.h"          // wxBITMAP_TYPE_INVALID
 #include "wx/list.h"
 
-class WXDLLEXPORT wxGDIImageRefData;
-class WXDLLEXPORT wxGDIImageHandler;
-class WXDLLEXPORT wxGDIImage;
+class WXDLLIMPEXP_FWD_CORE wxGDIImageRefData;
+class WXDLLIMPEXP_FWD_CORE wxGDIImageHandler;
+class WXDLLIMPEXP_FWD_CORE wxGDIImage;
 
 WX_DECLARE_EXPORTED_LIST(wxGDIImageHandler, wxGDIImageHandlerList);
 
@@ -34,7 +30,7 @@ WX_DECLARE_EXPORTED_LIST(wxGDIImageHandler, wxGDIImageHandlerList);
 // wxGDIImageRefData: common data fields for all derived classes
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxGDIImageRefData : public wxGDIRefData
+class WXDLLIMPEXP_CORE wxGDIImageRefData : public wxGDIRefData
 {
 public:
     wxGDIImageRefData()
@@ -45,7 +41,7 @@ public:
     }
 
     // accessors
-    bool IsOk() const { return m_handle != 0; }
+    virtual bool IsOk() const { return m_handle != 0; }
 
     void SetSize(int w, int h) { m_width = w; m_height = h; }
 
@@ -74,7 +70,7 @@ public:
 // wxGDIImageHandler: a class which knows how to load/save wxGDIImages.
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxGDIImageHandler : public wxObject
+class WXDLLIMPEXP_CORE wxGDIImageHandler : public wxObject
 {
 public:
     // ctor
@@ -98,7 +94,7 @@ public:
 
     // real handler operations: to implement in derived classes
     virtual bool Create(wxGDIImage *image,
-                        void *data,
+                        const void* data,
                         long flags,
                         int width, int height, int depth = 1) = 0;
     virtual bool Load(wxGDIImage *image,
@@ -121,7 +117,7 @@ protected:
 // format. It also falls back to wxImage if no appropriate image is found.
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxGDIImage : public wxGDIObject
+class WXDLLIMPEXP_CORE wxGDIImage : public wxGDIObject
 {
 public:
     // handlers list interface
@@ -151,12 +147,16 @@ public:
     void SetHandle(WXHANDLE handle)
         { EnsureHasData(); GetGDIImageData()->m_handle = handle; }
 
-    bool Ok() const { return GetHandle() != 0; }
-
     int GetWidth() const { return IsNull() ? 0 : GetGDIImageData()->m_width; }
     int GetHeight() const { return IsNull() ? 0 : GetGDIImageData()->m_height; }
     int GetDepth() const { return IsNull() ? 0 : GetGDIImageData()->m_depth; }
 
+    wxSize GetSize() const
+    {
+        return IsNull() ? wxSize(0,0) :
+               wxSize(GetGDIImageData()->m_width, GetGDIImageData()->m_height);
+    }
+
     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; }
@@ -175,6 +175,15 @@ public:
 protected:
     // create the data for the derived class here
     virtual wxGDIImageRefData *CreateData() const = 0;
+    virtual wxGDIRefData *CreateGDIRefData() const { return CreateData(); }
+    // we can't [efficiently] clone objects of this class
+    virtual wxGDIRefData *
+    CloneGDIRefData(const wxGDIRefData *WXUNUSED(data)) const
+    {
+        wxFAIL_MSG( _T("must be implemented if used") );
+
+        return NULL;
+    }
 
     static wxGDIImageHandlerList ms_handlers;
 };