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1. added support for bitmaps with alpha channel
[wxWidgets.git] / include / wx / msw / statbmp.h
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1/////////////////////////////////////////////////////////////////////////////
2// Name: wx/msw/statbmp.h
3// Purpose: wxStaticBitmap class for wxMSW
4// Author: Julian Smart
5// Modified by:
6// Created: 01/02/97
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#ifndef _WX_STATBMP_H_
13#define _WX_STATBMP_H_
14
15#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
16 #pragma interface "statbmp.h"
17#endif
18
19#include "wx/control.h"
20#include "wx/icon.h"
21#include "wx/bitmap.h"
22
23WXDLLEXPORT_DATA(extern const wxChar*) wxStaticBitmapNameStr;
24
25// a control showing an icon or a bitmap
26class WXDLLEXPORT wxStaticBitmap : public wxStaticBitmapBase
27{
28public:
29 wxStaticBitmap() { Init(); }
30
31 wxStaticBitmap(wxWindow *parent,
32 wxWindowID id,
33 const wxGDIImage& label,
34 const wxPoint& pos = wxDefaultPosition,
35 const wxSize& size = wxDefaultSize,
36 long style = 0,
37 const wxString& name = wxStaticBitmapNameStr)
38 {
39 Init();
40
41 Create(parent, id, label, pos, size, style, name);
42 }
43
44 bool Create(wxWindow *parent,
45 wxWindowID id,
46 const wxGDIImage& label,
47 const wxPoint& pos = wxDefaultPosition,
48 const wxSize& size = wxDefaultSize,
49 long style = 0,
50 const wxString& name = wxStaticBitmapNameStr);
51
52 virtual ~wxStaticBitmap() { Free(); }
53
54 virtual void SetIcon(const wxIcon& icon) { SetImage(&icon); }
55 virtual void SetBitmap(const wxBitmap& bitmap) { SetImage(&bitmap); }
56
57 // assert failure is provoked by an attempt to get an icon from bitmap or
58 // vice versa
59 wxIcon GetIcon() const
60 {
61 wxASSERT_MSG( m_isIcon, _T("no icon in this wxStaticBitmap") );
62
63 return *(wxIcon *)m_image;
64 }
65
66 wxBitmap GetBitmap() const
67 {
68 wxASSERT_MSG( !m_isIcon, _T("no bitmap in this wxStaticBitmap") );
69
70 return *(wxBitmap *)m_image;
71 }
72
73 // implementation only from now on
74 // -------------------------------
75
76 // implement base class virtuals
77 virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
78
79protected:
80 virtual wxBorder GetDefaultBorder() const;
81 virtual wxSize DoGetBestSize() const;
82 virtual WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const;
83
84 // ctor/dtor helpers
85 void Init() { m_isIcon = TRUE; m_image = NULL; }
86 void Free();
87
88 // TRUE if icon/bitmap is valid
89 bool ImageIsOk() const;
90
91 void SetImage(const wxGDIImage* image);
92 void SetImageNoCopy( wxGDIImage* image );
93
94 // we can have either an icon or a bitmap
95 bool m_isIcon;
96 wxGDIImage *m_image;
97
98private:
99 DECLARE_DYNAMIC_CLASS(wxStaticBitmap)
100 DECLARE_NO_COPY_CLASS(wxStaticBitmap)
101};
102
103#endif
104 // _WX_STATBMP_H_