// 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
#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);
// wxGDIImageRefData: common data fields for all derived classes
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxGDIImageRefData : public wxGDIRefData
+class WXDLLIMPEXP_CORE wxGDIImageRefData : public wxGDIRefData
{
public:
wxGDIImageRefData()
}
// 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; }
// wxGDIImageHandler: a class which knows how to load/save wxGDIImages.
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxGDIImageHandler : public wxObject
+class WXDLLIMPEXP_CORE wxGDIImageHandler : public wxObject
{
public:
// ctor
// 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
void SetHandle(WXHANDLE handle)
{ EnsureHasData(); GetGDIImageData()->m_handle = handle; }
- bool Ok() const { return IsOk(); }
- bool IsOk() 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; }
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;
};