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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/gtk1/bitmap.h
3 // Purpose:
4 // Author: Robert Roebling
5 // RCS-ID: $Id$
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10
11 #ifndef __GTKBITMAPH__
12 #define __GTKBITMAPH__
13
14 #include "wx/defs.h"
15 #include "wx/object.h"
16 #include "wx/string.h"
17 #include "wx/palette.h"
18 #include "wx/gdiobj.h"
19
20 class WXDLLIMPEXP_FWD_CORE wxPixelDataBase;
21
22 //-----------------------------------------------------------------------------
23 // classes
24 //-----------------------------------------------------------------------------
25
26 class WXDLLIMPEXP_FWD_CORE wxMask;
27 class WXDLLIMPEXP_FWD_CORE wxBitmap;
28 class WXDLLIMPEXP_FWD_CORE wxImage;
29
30 //-----------------------------------------------------------------------------
31 // wxMask
32 //-----------------------------------------------------------------------------
33
34 class WXDLLIMPEXP_CORE wxMask: public wxObject
35 {
36 public:
37 wxMask();
38 wxMask( const wxBitmap& bitmap, const wxColour& colour );
39 #if wxUSE_PALETTE
40 wxMask( const wxBitmap& bitmap, int paletteIndex );
41 #endif // wxUSE_PALETTE
42 wxMask( const wxBitmap& bitmap );
43 virtual ~wxMask();
44
45 bool Create( const wxBitmap& bitmap, const wxColour& colour );
46 #if wxUSE_PALETTE
47 bool Create( const wxBitmap& bitmap, int paletteIndex );
48 #endif // wxUSE_PALETTE
49 bool Create( const wxBitmap& bitmap );
50
51 // implementation
52 GdkBitmap *m_bitmap;
53
54 GdkBitmap *GetBitmap() const;
55
56 private:
57 DECLARE_DYNAMIC_CLASS(wxMask)
58 };
59
60 //-----------------------------------------------------------------------------
61 // wxBitmap
62 //-----------------------------------------------------------------------------
63
64 class WXDLLIMPEXP_CORE wxBitmap: public wxBitmapBase
65 {
66 public:
67 wxBitmap();
68 wxBitmap( int width, int height, int depth = -1 );
69 wxBitmap( const char bits[], int width, int height, int depth = 1 );
70 wxBitmap( const char* const* bits );
71 #ifdef wxNEEDS_CHARPP
72 // needed for old GCC
73 wxBitmap(char** data)
74 {
75 *this = wxBitmap(wx_const_cast(const char* const*, data));
76 }
77 #endif
78 wxBitmap( const wxString &filename, wxBitmapType type = wxBITMAP_TYPE_XPM );
79 wxBitmap( const wxImage& image, int depth = -1 ) { (void)CreateFromImage(image, depth); }
80 virtual ~wxBitmap();
81 bool Ok() const { return IsOk(); }
82 bool IsOk() const;
83
84 bool Create(int width, int height, int depth = -1);
85
86 int GetHeight() const;
87 int GetWidth() const;
88 int GetDepth() const;
89
90 wxImage ConvertToImage() const;
91
92 // copies the contents and mask of the given (colour) icon to the bitmap
93 virtual bool CopyFromIcon(const wxIcon& icon);
94
95 wxMask *GetMask() const;
96 void SetMask( wxMask *mask );
97
98 wxBitmap GetSubBitmap( const wxRect& rect ) const;
99
100 bool SaveFile(const wxString &name, wxBitmapType type,
101 const wxPalette *palette = (wxPalette *)NULL) const;
102 bool LoadFile(const wxString &name, wxBitmapType type = wxBITMAP_TYPE_XPM );
103
104 #if wxUSE_PALETTE
105 wxPalette *GetPalette() const;
106 void SetPalette(const wxPalette& palette);
107 wxPalette *GetColourMap() const { return GetPalette(); };
108 #endif // wxUSE_PALETTE
109
110 static void InitStandardHandlers();
111
112 // implementation
113 // --------------
114
115 void SetHeight( int height );
116 void SetWidth( int width );
117 void SetDepth( int depth );
118 void SetPixmap( GdkPixmap *pixmap );
119 void SetBitmap( GdkBitmap *bitmap );
120
121 GdkPixmap *GetPixmap() const;
122 GdkBitmap *GetBitmap() const;
123 bool HasPixmap() const;
124
125 // Basically, this corresponds to Win32 StretchBlt()
126 wxBitmap Rescale( int clipx, int clipy, int clipwidth, int clipheight, int width, int height );
127
128 // raw bitmap access support functions
129 void *GetRawData(wxPixelDataBase& data, int bpp);
130 void UngetRawData(wxPixelDataBase& data);
131
132 bool HasAlpha() const;
133
134 protected:
135 bool CreateFromImage(const wxImage& image, int depth);
136
137 virtual wxObjectRefData *CreateRefData() const;
138 virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
139
140 private:
141 // to be called from CreateFromImage only!
142 bool CreateFromImageAsBitmap(const wxImage& image);
143 bool CreateFromImageAsPixmap(const wxImage& image);
144
145 friend class wxBitmapHandler;
146
147 private:
148 DECLARE_DYNAMIC_CLASS(wxBitmap)
149 };
150
151 //-----------------------------------------------------------------------------
152 // wxBitmapHandler
153 //-----------------------------------------------------------------------------
154
155 class WXDLLIMPEXP_CORE wxBitmapHandler: public wxBitmapHandlerBase
156 {
157 DECLARE_ABSTRACT_CLASS(wxBitmapHandler)
158 };
159
160 #endif // __GTKBITMAPH__