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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
20class WXDLLEXPORT wxPixelDataBase;
21
22//-----------------------------------------------------------------------------
23// classes
24//-----------------------------------------------------------------------------
25
26class WXDLLIMPEXP_CORE wxMask;
27class WXDLLIMPEXP_CORE wxBitmap;
28class WXDLLIMPEXP_CORE wxImage;
29
30//-----------------------------------------------------------------------------
31// wxMask
32//-----------------------------------------------------------------------------
33
34class WXDLLIMPEXP_CORE wxMask: public wxObject
35{
36public:
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
56private:
57 DECLARE_DYNAMIC_CLASS(wxMask)
58};
59
60//-----------------------------------------------------------------------------
61// wxBitmap
62//-----------------------------------------------------------------------------
63
64class WXDLLIMPEXP_CORE wxBitmap: public wxBitmapBase
65{
66public:
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 void UseAlpha();
134
135protected:
136 bool CreateFromImage(const wxImage& image, int depth);
137
138 virtual wxObjectRefData *CreateRefData() const;
139 virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
140
141private:
142 // to be called from CreateFromImage only!
143 bool CreateFromImageAsBitmap(const wxImage& image);
144 bool CreateFromImageAsPixmap(const wxImage& image);
145
146 friend class wxBitmapHandler;
147
148private:
149 DECLARE_DYNAMIC_CLASS(wxBitmap)
150};
151
152//-----------------------------------------------------------------------------
153// wxBitmapHandler
154//-----------------------------------------------------------------------------
155
156class WXDLLIMPEXP_CORE wxBitmapHandler: public wxBitmapHandlerBase
157{
158 DECLARE_ABSTRACT_CLASS(wxBitmapHandler)
159};
160
161#endif // __GTKBITMAPH__