///////////////////////////////////////////////////////////////////////////////
-// Name: include/wx/msw/gdiimage.h
+// Name: wx/msw/gdiimage.h
// Purpose: wxGDIImage class: base class for wxBitmap, wxIcon, wxCursor
// under MSW
// Author: Vadim Zeitlin
#ifndef _WX_MSW_GDIIMAGE_H_
#define _WX_MSW_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);
// wxGDIImageRefData: common data fields for all derived classes
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxGDIImageRefData : public wxGDIRefData
+class WXDLLIMPEXP_CORE wxGDIImageRefData : public wxGDIRefData
{
public:
wxGDIImageRefData()
m_handle = 0;
}
+ wxGDIImageRefData(const wxGDIImageRefData& data) : wxGDIRefData()
+ {
+ m_width = data.m_width;
+ m_height = data.m_height;
+ m_depth = data.m_depth;
+
+ // can't copy handles like this, derived class copy ctor must do it!
+ m_handle = NULL;
+ }
+
// 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
-{
-public:
- // ctor
- wxGDIImageHandler() { m_type = wxBITMAP_TYPE_INVALID; }
- wxGDIImageHandler(const wxString& name,
- const wxString& ext,
- long type)
- : m_name(name), m_extension(ext)
- {
- m_type = type;
- }
-
- // accessors
- void SetName(const wxString& name) { m_name = name; }
- void SetExtension(const wxString& ext) { m_extension = ext; }
- void SetType(long type) { m_type = type; }
-
- wxString GetName() const { return m_name; }
- wxString GetExtension() const { return m_extension; }
- long GetType() const { return m_type; }
-
- // real handler operations: to implement in derived classes
- virtual bool Create(wxGDIImage *image,
- void *data,
- long flags,
- int width, int height, int depth = 1) = 0;
- virtual bool Load(wxGDIImage *image,
- const wxString& name,
- long flags,
- int desiredWidth, int desiredHeight) = 0;
- virtual bool Save(wxGDIImage *image,
- const wxString& name,
- int type) = 0;
-
-protected:
- wxString m_name;
- wxString m_extension;
- long m_type;
-};
-
// ----------------------------------------------------------------------------
// wxGDIImage: this class supports GDI image handlers which may be registered
// dynamically and will be used for loading/saving the images in the specified
// 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
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; }
-
- bool Ok() const { return GetHandle() != 0; }
+ { AllocExclusive(); GetGDIImageData()->m_handle = handle; }
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; }
- 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; }
+ wxSize GetSize() const
+ {
+ return IsNull() ? wxSize(0,0) :
+ wxSize(GetGDIImageData()->m_width, GetGDIImageData()->m_height);
+ }
+
+ 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);
+ bool FreeResource(bool force = false);
virtual WXHANDLE GetResourceHandle() const;
protected:
// create the data for the derived class here
virtual wxGDIImageRefData *CreateData() const = 0;
+ // implement the wxGDIObject method in terms of our, more specific, one
+ 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( wxT("must be implemented if used") );
+
+ return NULL;
+ }
+
static wxGDIImageHandlerList ms_handlers;
};
+// ----------------------------------------------------------------------------
+// wxGDIImageHandler: a class which knows how to load/save wxGDIImages.
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxGDIImageHandler : public wxObject
+{
+public:
+ // ctor
+ wxGDIImageHandler() { m_type = wxBITMAP_TYPE_INVALID; }
+ wxGDIImageHandler(const wxString& name,
+ const wxString& ext,
+ wxBitmapType type)
+ : m_name(name), m_extension(ext), m_type(type) { }
+
+ // accessors
+ void SetName(const wxString& name) { m_name = name; }
+ void SetExtension(const wxString& ext) { m_extension = ext; }
+ void SetType(wxBitmapType type) { m_type = type; }
+
+ const wxString& GetName() const { return m_name; }
+ const wxString& GetExtension() const { return m_extension; }
+ wxBitmapType GetType() const { return m_type; }
+
+ // real handler operations: to implement in derived classes
+ virtual bool Create(wxGDIImage *image,
+ const void* data,
+ wxBitmapType flags,
+ int width, int height, int depth = 1) = 0;
+ virtual bool Load(wxGDIImage *image,
+ const wxString& name,
+ wxBitmapType flags,
+ int desiredWidth, int desiredHeight) = 0;
+ virtual bool Save(const wxGDIImage *image,
+ const wxString& name,
+ wxBitmapType type) const = 0;
+
+protected:
+ wxString m_name;
+ wxString m_extension;
+ wxBitmapType m_type;
+};
+
#endif // _WX_MSW_GDIIMAGE_H_
projects / wxWidgets.git / blobdiff